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Diffstat (limited to 'tiff/tools/tiffcrop.c')
| -rwxr-xr-x | tiff/tools/tiffcrop.c | 9091 |
1 files changed, 9091 insertions, 0 deletions
diff --git a/tiff/tools/tiffcrop.c b/tiff/tools/tiffcrop.c new file mode 100755 index 0000000..1d6b561 --- /dev/null +++ b/tiff/tools/tiffcrop.c @@ -0,0 +1,9091 @@ +/* $Id: tiffcrop.c,v 1.25 2014-12-26 16:32:32 bfriesen Exp $ */ + +/* tiffcrop.c -- a port of tiffcp.c extended to include manipulations of + * the image data through additional options listed below + * + * Original code: + * Copyright (c) 1988-1997 Sam Leffler + * Copyright (c) 1991-1997 Silicon Graphics, Inc. + * Additions (c) Richard Nolde 2006-2010 + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that (i) the above copyright notices and this permission notice appear in + * all copies of the software and related documentation, and (ii) the names of + * Sam Leffler and Silicon Graphics may not be used in any advertising or + * publicity relating to the software without the specific, prior written + * permission of Sam Leffler and Silicon Graphics. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS OR ANY OTHER COPYRIGHT + * HOLDERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL + * DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND + * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE + * OR PERFORMANCE OF THIS SOFTWARE. + * + * Some portions of the current code are derived from tiffcp, primarly in + * the areas of lowlevel reading and writing of TAGS, scanlines and tiles though + * some of the original functions have been extended to support arbitrary bit + * depths. These functions are presented at the top of this file. + * + * Add support for the options below to extract sections of image(s) + * and to modify the whole image or selected portions of each image by + * rotations, mirroring, and colorscale/colormap inversion of selected + * types of TIFF images when appropriate. Some color model dependent + * functions are restricted to bilevel or 8 bit per sample data. + * See the man page for the full explanations. + * + * New Options: + * -h Display the syntax guide. + * -v Report the version and last build date for tiffcrop and libtiff. + * -z x1,y1,x2,y2:x3,y3,x4,y4:..xN,yN,xN + 1, yN + 1 + * Specify a series of coordinates to define rectangular + * regions by the top left and lower right corners. + * -e c|d|i|m|s export mode for images and selections from input images + * combined All images and selections are written to a single file (default) + * with multiple selections from one image combined into a single image + * divided All images and selections are written to a single file + * with each selection from one image written to a new image + * image Each input image is written to a new file (numeric filename sequence) + * with multiple selections from the image combined into one image + * multiple Each input image is written to a new file (numeric filename sequence) + * with each selection from the image written to a new image + * separated Individual selections from each image are written to separate files + * -U units [in, cm, px ] inches, centimeters or pixels + * -H # Set horizontal resolution of output images to # + * -V # Set vertical resolution of output images to # + * -J # Horizontal margin of output page to # expressed in current + * units when sectioning image into columns x rows + * using the -S cols:rows option. + * -K # Vertical margin of output page to # expressed in current + * units when sectioning image into columns x rows + * using the -S cols:rows option. + * -X # Horizontal dimension of region to extract expressed in current + * units + * -Y # Vertical dimension of region to extract expressed in current + * units + * -O orient Orientation for output image, portrait, landscape, auto + * -P page Page size for output image segments, eg letter, legal, tabloid, + * etc. + * -S cols:rows Divide the image into equal sized segments using cols across + * and rows down + * -E t|l|r|b Edge to use as origin + * -m #,#,#,# Margins from edges for selection: top, left, bottom, right + * (commas separated) + * -Z #:#,#:# Zones of the image designated as zone X of Y, + * eg 1:3 would be first of three equal portions measured + * from reference edge + * -N odd|even|#,#-#,#|last + * Select sequences and/or ranges of images within file + * to process. The words odd or even may be used to specify + * all odd or even numbered images the word last may be used + * in place of a number in the sequence to indicate the final + * image in the file without knowing how many images there are. + * -R # Rotate image or crop selection by 90,180,or 270 degrees + * clockwise + * -F h|v Flip (mirror) image or crop selection horizontally + * or vertically + * -I [black|white|data|both] + * Invert color space, eg dark to light for bilevel and grayscale images + * If argument is white or black, set the PHOTOMETRIC_INTERPRETATION + * tag to MinIsBlack or MinIsWhite without altering the image data + * If the argument is data or both, the image data are modified: + * both inverts the data and the PHOTOMETRIC_INTERPRETATION tag, + * data inverts the data but not the PHOTOMETRIC_INTERPRETATION tag + * -D input:<filename1>,output:<filename2>,format:<raw|txt>,level:N,debug:N + * Dump raw data for input and/or output images to individual files + * in raw (binary) format or text (ASCII) representing binary data + * as strings of 1s and 0s. The filename arguments are used as stems + * from which individual files are created for each image. Text format + * includes annotations for image parameters and scanline info. Level + * selects which functions dump data, with higher numbers selecting + * lower level, scanline level routines. Debug reports a limited set + * of messages to monitor progess without enabling dump logs. + */ + +static char tiffcrop_version_id[] = "2.4"; +static char tiffcrop_rev_date[] = "12-13-2010"; + +#include "tif_config.h" +#include "tiffiop.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <ctype.h> +#include <limits.h> +#include <sys/stat.h> +#include <assert.h> + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif + +#ifndef HAVE_GETOPT +extern int getopt(int, char**, char*); +#endif + +#ifdef NEED_LIBPORT +# include "libport.h" +#endif + +#include "tiffio.h" + +#if defined(VMS) +# define unlink delete +#endif + +#ifndef PATH_MAX +#define PATH_MAX 1024 +#endif + +#ifndef streq +#define streq(a,b) (strcmp((a),(b)) == 0) +#endif +#define strneq(a,b,n) (strncmp((a),(b),(n)) == 0) + +#define TRUE 1 +#define FALSE 0 + +#ifndef TIFFhowmany +#define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) +#define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3) +#endif + +/* + * Definitions and data structures required to support cropping and image + * manipulations. + */ + +#define EDGE_TOP 1 +#define EDGE_LEFT 2 +#define EDGE_BOTTOM 3 +#define EDGE_RIGHT 4 +#define EDGE_CENTER 5 + +#define MIRROR_HORIZ 1 +#define MIRROR_VERT 2 +#define MIRROR_BOTH 3 +#define ROTATECW_90 8 +#define ROTATECW_180 16 +#define ROTATECW_270 32 +#define ROTATE_ANY ROTATECW_90 || ROTATECW_180 || ROTATECW_270 + +#define CROP_NONE 0 +#define CROP_MARGINS 1 +#define CROP_WIDTH 2 +#define CROP_LENGTH 4 +#define CROP_ZONES 8 +#define CROP_REGIONS 16 +#define CROP_ROTATE 32 +#define CROP_MIRROR 64 +#define CROP_INVERT 128 + +/* Modes for writing out images and selections */ +#define ONE_FILE_COMPOSITE 0 /* One file, sections combined sections */ +#define ONE_FILE_SEPARATED 1 /* One file, sections to new IFDs */ +#define FILE_PER_IMAGE_COMPOSITE 2 /* One file per image, combined sections */ +#define FILE_PER_IMAGE_SEPARATED 3 /* One file per input image */ +#define FILE_PER_SELECTION 4 /* One file per selection */ + +#define COMPOSITE_IMAGES 0 /* Selections combined into one image */ +#define SEPARATED_IMAGES 1 /* Selections saved to separate images */ + +#define STRIP 1 +#define TILE 2 + +#define MAX_REGIONS 8 /* number of regions to extract from a single page */ +#define MAX_OUTBUFFS 8 /* must match larger of zones or regions */ +#define MAX_SECTIONS 32 /* number of sections per page to write to output */ +#define MAX_IMAGES 2048 /* number of images in descrete list, not in the file */ +#define MAX_SAMPLES 8 /* maximum number of samples per pixel supported */ +#define MAX_BITS_PER_SAMPLE 64 /* maximum bit depth supported */ +#define MAX_EXPORT_PAGES 999999 /* maximum number of export pages per file */ + +#define DUMP_NONE 0 +#define DUMP_TEXT 1 +#define DUMP_RAW 2 + +/* Offsets into buffer for margins and fixed width and length segments */ +struct offset { + uint32 tmargin; + uint32 lmargin; + uint32 bmargin; + uint32 rmargin; + uint32 crop_width; + uint32 crop_length; + uint32 startx; + uint32 endx; + uint32 starty; + uint32 endy; +}; + +/* Description of a zone within the image. Position 1 of 3 zones would be + * the first third of the image. These are computed after margins and + * width/length requests are applied so that you can extract multiple + * zones from within a larger region for OCR or barcode recognition. + */ + +struct buffinfo { + uint32 size; /* size of this buffer */ + unsigned char *buffer; /* address of the allocated buffer */ +}; + +struct zone { + int position; /* ordinal of segment to be extracted */ + int total; /* total equal sized divisions of crop area */ + }; + +struct pageseg { + uint32 x1; /* index of left edge */ + uint32 x2; /* index of right edge */ + uint32 y1; /* index of top edge */ + uint32 y2; /* index of bottom edge */ + int position; /* ordinal of segment to be extracted */ + int total; /* total equal sized divisions of crop area */ + uint32 buffsize; /* size of buffer needed to hold the cropped zone */ +}; + +struct coordpairs { + double X1; /* index of left edge in current units */ + double X2; /* index of right edge in current units */ + double Y1; /* index of top edge in current units */ + double Y2; /* index of bottom edge in current units */ +}; + +struct region { + uint32 x1; /* pixel offset of left edge */ + uint32 x2; /* pixel offset of right edge */ + uint32 y1; /* pixel offset of top edge */ + uint32 y2; /* picel offset of bottom edge */ + uint32 width; /* width in pixels */ + uint32 length; /* length in pixels */ + uint32 buffsize; /* size of buffer needed to hold the cropped region */ + unsigned char *buffptr; /* address of start of the region */ +}; + +/* Cropping parameters from command line and image data + * Note: This should be renamed to proc_opts and expanded to include all current globals + * if possible, but each function that accesses global variables will have to be redone. + */ +struct crop_mask { + double width; /* Selection width for master crop region in requested units */ + double length; /* Selection length for master crop region in requesed units */ + double margins[4]; /* Top, left, bottom, right margins */ + float xres; /* Horizontal resolution read from image*/ + float yres; /* Vertical resolution read from image */ + uint32 combined_width; /* Width of combined cropped zones */ + uint32 combined_length; /* Length of combined cropped zones */ + uint32 bufftotal; /* Size of buffer needed to hold all the cropped region */ + uint16 img_mode; /* Composite or separate images created from zones or regions */ + uint16 exp_mode; /* Export input images or selections to one or more files */ + uint16 crop_mode; /* Crop options to be applied */ + uint16 res_unit; /* Resolution unit for margins and selections */ + uint16 edge_ref; /* Reference edge for sections extraction and combination */ + uint16 rotation; /* Clockwise rotation of the extracted region or image */ + uint16 mirror; /* Mirror extracted region or image horizontally or vertically */ + uint16 invert; /* Invert the color map of image or region */ + uint16 photometric; /* Status of photometric interpretation for inverted image */ + uint16 selections; /* Number of regions or zones selected */ + uint16 regions; /* Number of regions delimited by corner coordinates */ + struct region regionlist[MAX_REGIONS]; /* Regions within page or master crop region */ + uint16 zones; /* Number of zones delimited by Ordinal:Total requested */ + struct zone zonelist[MAX_REGIONS]; /* Zones indices to define a region */ + struct coordpairs corners[MAX_REGIONS]; /* Coordinates of upper left and lower right corner */ +}; + +#define MAX_PAPERNAMES 49 +#define MAX_PAPERNAME_LENGTH 15 +#define DEFAULT_RESUNIT RESUNIT_INCH +#define DEFAULT_PAGE_HEIGHT 14.0 +#define DEFAULT_PAGE_WIDTH 8.5 +#define DEFAULT_RESOLUTION 300 +#define DEFAULT_PAPER_SIZE "legal" + +#define ORIENTATION_NONE 0 +#define ORIENTATION_PORTRAIT 1 +#define ORIENTATION_LANDSCAPE 2 +#define ORIENTATION_SEASCAPE 4 +#define ORIENTATION_AUTO 16 + +#define PAGE_MODE_NONE 0 +#define PAGE_MODE_RESOLUTION 1 +#define PAGE_MODE_PAPERSIZE 2 +#define PAGE_MODE_MARGINS 4 +#define PAGE_MODE_ROWSCOLS 8 + +#define INVERT_DATA_ONLY 10 +#define INVERT_DATA_AND_TAG 11 + +struct paperdef { + char name[MAX_PAPERNAME_LENGTH]; + double width; + double length; + double asratio; + }; + +/* European page sizes corrected from update sent by + * thomas . jarosch @ intra2net . com on 5/7/2010 + * Paper Size Width Length Aspect Ratio */ +struct paperdef PaperTable[MAX_PAPERNAMES] = { + {"default", 8.500, 14.000, 0.607}, + {"pa4", 8.264, 11.000, 0.751}, + {"letter", 8.500, 11.000, 0.773}, + {"legal", 8.500, 14.000, 0.607}, + {"half-letter", 8.500, 5.514, 1.542}, + {"executive", 7.264, 10.528, 0.690}, + {"tabloid", 11.000, 17.000, 0.647}, + {"11x17", 11.000, 17.000, 0.647}, + {"ledger", 17.000, 11.000, 1.545}, + {"archa", 9.000, 12.000, 0.750}, + {"archb", 12.000, 18.000, 0.667}, + {"archc", 18.000, 24.000, 0.750}, + {"archd", 24.000, 36.000, 0.667}, + {"arche", 36.000, 48.000, 0.750}, + {"csheet", 17.000, 22.000, 0.773}, + {"dsheet", 22.000, 34.000, 0.647}, + {"esheet", 34.000, 44.000, 0.773}, + {"superb", 11.708, 17.042, 0.687}, + {"commercial", 4.139, 9.528, 0.434}, + {"monarch", 3.889, 7.528, 0.517}, + {"envelope-dl", 4.333, 8.681, 0.499}, + {"envelope-c5", 6.389, 9.028, 0.708}, + {"europostcard", 4.139, 5.833, 0.710}, + {"a0", 33.110, 46.811, 0.707}, + {"a1", 23.386, 33.110, 0.706}, + {"a2", 16.535, 23.386, 0.707}, + {"a3", 11.693, 16.535, 0.707}, + {"a4", 8.268, 11.693, 0.707}, + {"a5", 5.827, 8.268, 0.705}, + {"a6", 4.134, 5.827, 0.709}, + {"a7", 2.913, 4.134, 0.705}, + {"a8", 2.047, 2.913, 0.703}, + {"a9", 1.457, 2.047, 0.712}, + {"a10", 1.024, 1.457, 0.703}, + {"b0", 39.370, 55.669, 0.707}, + {"b1", 27.835, 39.370, 0.707}, + {"b2", 19.685, 27.835, 0.707}, + {"b3", 13.898, 19.685, 0.706}, + {"b4", 9.843, 13.898, 0.708}, + {"b5", 6.929, 9.843, 0.704}, + {"b6", 4.921, 6.929, 0.710}, + {"c0", 36.102, 51.063, 0.707}, + {"c1", 25.512, 36.102, 0.707}, + {"c2", 18.031, 25.512, 0.707}, + {"c3", 12.756, 18.031, 0.707}, + {"c4", 9.016, 12.756, 0.707}, + {"c5", 6.378, 9.016, 0.707}, + {"c6", 4.488, 6.378, 0.704}, + {"", 0.000, 0.000, 1.000} +}; + +/* Structure to define input image parameters */ +struct image_data { + float xres; + float yres; + uint32 width; + uint32 length; + uint16 res_unit; + uint16 bps; + uint16 spp; + uint16 planar; + uint16 photometric; + uint16 orientation; + uint16 compression; + uint16 adjustments; +}; + +/* Structure to define the output image modifiers */ +struct pagedef { + char name[16]; + double width; /* width in pixels */ + double length; /* length in pixels */ + double hmargin; /* margins to subtract from width of sections */ + double vmargin; /* margins to subtract from height of sections */ + double hres; /* horizontal resolution for output */ + double vres; /* vertical resolution for output */ + uint32 mode; /* bitmask of modifiers to page format */ + uint16 res_unit; /* resolution unit for output image */ + unsigned int rows; /* number of section rows */ + unsigned int cols; /* number of section cols */ + unsigned int orient; /* portrait, landscape, seascape, auto */ +}; + +struct dump_opts { + int debug; + int format; + int level; + char mode[4]; + char infilename[PATH_MAX + 1]; + char outfilename[PATH_MAX + 1]; + FILE *infile; + FILE *outfile; + }; + +/* globals */ +static int outtiled = -1; +static uint32 tilewidth = 0; +static uint32 tilelength = 0; + +static uint16 config = 0; +static uint16 compression = 0; +static uint16 predictor = 0; +static uint16 fillorder = 0; +static uint32 rowsperstrip = 0; +static uint32 g3opts = 0; +static int ignore = FALSE; /* if true, ignore read errors */ +static uint32 defg3opts = (uint32) -1; +static int quality = 100; /* JPEG quality */ +/* static int jpegcolormode = -1; was JPEGCOLORMODE_RGB; */ +static int jpegcolormode = JPEGCOLORMODE_RGB; +static uint16 defcompression = (uint16) -1; +static uint16 defpredictor = (uint16) -1; +static int pageNum = 0; +static int little_endian = 1; + +/* Functions adapted from tiffcp with additions or significant modifications */ +static int readContigStripsIntoBuffer (TIFF*, uint8*); +static int readSeparateStripsIntoBuffer (TIFF*, uint8*, uint32, uint32, tsample_t, struct dump_opts *); +static int readContigTilesIntoBuffer (TIFF*, uint8*, uint32, uint32, uint32, uint32, tsample_t, uint16); +static int readSeparateTilesIntoBuffer (TIFF*, uint8*, uint32, uint32, uint32, uint32, tsample_t, uint16); +static int writeBufferToContigStrips (TIFF*, uint8*, uint32); +static int writeBufferToContigTiles (TIFF*, uint8*, uint32, uint32, tsample_t, struct dump_opts *); +static int writeBufferToSeparateStrips (TIFF*, uint8*, uint32, uint32, tsample_t, struct dump_opts *); +static int writeBufferToSeparateTiles (TIFF*, uint8*, uint32, uint32, tsample_t, struct dump_opts *); +static int extractContigSamplesToBuffer (uint8 *, uint8 *, uint32, uint32, tsample_t, + uint16, uint16, struct dump_opts *); +static int processCompressOptions(char*); +static void usage(void); + +/* All other functions by Richard Nolde, not found in tiffcp */ +static void initImageData (struct image_data *); +static void initCropMasks (struct crop_mask *); +static void initPageSetup (struct pagedef *, struct pageseg *, struct buffinfo []); +static void initDumpOptions(struct dump_opts *); + +/* Command line and file naming functions */ +void process_command_opts (int, char *[], char *, char *, uint32 *, + uint16 *, uint16 *, uint32 *, uint32 *, uint32 *, + struct crop_mask *, struct pagedef *, + struct dump_opts *, + unsigned int *, unsigned int *); +static int update_output_file (TIFF **, char *, int, char *, unsigned int *); + + +/* * High level functions for whole image manipulation */ +static int get_page_geometry (char *, struct pagedef*); +static int computeInputPixelOffsets(struct crop_mask *, struct image_data *, + struct offset *); +static int computeOutputPixelOffsets (struct crop_mask *, struct image_data *, + struct pagedef *, struct pageseg *, + struct dump_opts *); +static int loadImage(TIFF *, struct image_data *, struct dump_opts *, unsigned char **); +static int correct_orientation(struct image_data *, unsigned char **); +static int getCropOffsets(struct image_data *, struct crop_mask *, struct dump_opts *); +static int processCropSelections(struct image_data *, struct crop_mask *, + unsigned char **, struct buffinfo []); +static int writeSelections(TIFF *, TIFF **, struct crop_mask *, struct image_data *, + struct dump_opts *, struct buffinfo [], + char *, char *, unsigned int*, unsigned int); + +/* Section functions */ +static int createImageSection(uint32, unsigned char **); +static int extractImageSection(struct image_data *, struct pageseg *, + unsigned char *, unsigned char *); +static int writeSingleSection(TIFF *, TIFF *, struct image_data *, + struct dump_opts *, uint32, uint32, + double, double, unsigned char *); +static int writeImageSections(TIFF *, TIFF *, struct image_data *, + struct pagedef *, struct pageseg *, + struct dump_opts *, unsigned char *, + unsigned char **); +/* Whole image functions */ +static int createCroppedImage(struct image_data *, struct crop_mask *, + unsigned char **, unsigned char **); +static int writeCroppedImage(TIFF *, TIFF *, struct image_data *image, + struct dump_opts * dump, + uint32, uint32, unsigned char *, int, int); + +/* Image manipulation functions */ +static int rotateContigSamples8bits(uint16, uint16, uint16, uint32, + uint32, uint32, uint8 *, uint8 *); +static int rotateContigSamples16bits(uint16, uint16, uint16, uint32, + uint32, uint32, uint8 *, uint8 *); +static int rotateContigSamples24bits(uint16, uint16, uint16, uint32, + uint32, uint32, uint8 *, uint8 *); +static int rotateContigSamples32bits(uint16, uint16, uint16, uint32, + uint32, uint32, uint8 *, uint8 *); +static int rotateImage(uint16, struct image_data *, uint32 *, uint32 *, + unsigned char **); +static int mirrorImage(uint16, uint16, uint16, uint32, uint32, + unsigned char *); +static int invertImage(uint16, uint16, uint16, uint32, uint32, + unsigned char *); + +/* Functions to reverse the sequence of samples in a scanline */ +static int reverseSamples8bits (uint16, uint16, uint32, uint8 *, uint8 *); +static int reverseSamples16bits (uint16, uint16, uint32, uint8 *, uint8 *); +static int reverseSamples24bits (uint16, uint16, uint32, uint8 *, uint8 *); +static int reverseSamples32bits (uint16, uint16, uint32, uint8 *, uint8 *); +static int reverseSamplesBytes (uint16, uint16, uint32, uint8 *, uint8 *); + +/* Functions for manipulating individual samples in an image */ +static int extractSeparateRegion(struct image_data *, struct crop_mask *, + unsigned char *, unsigned char *, int); +static int extractCompositeRegions(struct image_data *, struct crop_mask *, + unsigned char *, unsigned char *); +static int extractContigSamples8bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32); +static int extractContigSamples16bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32); +static int extractContigSamples24bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32); +static int extractContigSamples32bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32); +static int extractContigSamplesBytes (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32); +static int extractContigSamplesShifted8bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32, + int); +static int extractContigSamplesShifted16bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32, + int); +static int extractContigSamplesShifted24bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32, + int); +static int extractContigSamplesShifted32bits (uint8 *, uint8 *, uint32, + tsample_t, uint16, uint16, + tsample_t, uint32, uint32, + int); +static int extractContigSamplesToTileBuffer(uint8 *, uint8 *, uint32, uint32, + uint32, uint32, tsample_t, uint16, + uint16, uint16, struct dump_opts *); + +/* Functions to combine separate planes into interleaved planes */ +static int combineSeparateSamples8bits (uint8 *[], uint8 *, uint32, uint32, + uint16, uint16, FILE *, int, int); +static int combineSeparateSamples16bits (uint8 *[], uint8 *, uint32, uint32, + uint16, uint16, FILE *, int, int); +static int combineSeparateSamples24bits (uint8 *[], uint8 *, uint32, uint32, + uint16, uint16, FILE *, int, int); +static int combineSeparateSamples32bits (uint8 *[], uint8 *, uint32, uint32, + uint16, uint16, FILE *, int, int); +static int combineSeparateSamplesBytes (unsigned char *[], unsigned char *, + uint32, uint32, tsample_t, uint16, + FILE *, int, int); + +static int combineSeparateTileSamples8bits (uint8 *[], uint8 *, uint32, uint32, + uint32, uint32, uint16, uint16, + FILE *, int, int); +static int combineSeparateTileSamples16bits (uint8 *[], uint8 *, uint32, uint32, + uint32, uint32, uint16, uint16, + FILE *, int, int); +static int combineSeparateTileSamples24bits (uint8 *[], uint8 *, uint32, uint32, + uint32, uint32, uint16, uint16, + FILE *, int, int); +static int combineSeparateTileSamples32bits (uint8 *[], uint8 *, uint32, uint32, + uint32, uint32, uint16, uint16, + FILE *, int, int); +static int combineSeparateTileSamplesBytes (unsigned char *[], unsigned char *, + uint32, uint32, uint32, uint32, + tsample_t, uint16, FILE *, int, int); + +/* Dump functions for debugging */ +static void dump_info (FILE *, int, char *, char *, ...); +static int dump_data (FILE *, int, char *, unsigned char *, uint32); +static int dump_byte (FILE *, int, char *, unsigned char); +static int dump_short (FILE *, int, char *, uint16); +static int dump_long (FILE *, int, char *, uint32); +static int dump_wide (FILE *, int, char *, uint64); +static int dump_buffer (FILE *, int, uint32, uint32, uint32, unsigned char *); + +/* End function declarations */ +/* Functions derived in whole or in part from tiffcp */ +/* The following functions are taken largely intact from tiffcp */ + +static char* usage_info[] = { +"usage: tiffcrop [options] source1 ... sourceN destination", +"where options are:", +" -h Print this syntax listing", +" -v Print tiffcrop version identifier and last revision date", +" ", +" -a Append to output instead of overwriting", +" -d offset Set initial directory offset, counting first image as one, not zero", +" -p contig Pack samples contiguously (e.g. RGBRGB...)", +" -p separate Store samples separately (e.g. RRR...GGG...BBB...)", +" -s Write output in strips", +" -t Write output in tiles", +" -i Ignore read errors", +" ", +" -r # Make each strip have no more than # rows", +" -w # Set output tile width (pixels)", +" -l # Set output tile length (pixels)", +" ", +" -f lsb2msb Force lsb-to-msb FillOrder for output", +" -f msb2lsb Force msb-to-lsb FillOrder for output", +"", +" -c lzw[:opts] Compress output with Lempel-Ziv & Welch encoding", +" -c zip[:opts] Compress output with deflate encoding", +" -c jpeg[:opts] Compress output with JPEG encoding", +" -c packbits Compress output with packbits encoding", +" -c g3[:opts] Compress output with CCITT Group 3 encoding", +" -c g4 Compress output with CCITT Group 4 encoding", +" -c none Use no compression algorithm on output", +" ", +"Group 3 options:", +" 1d Use default CCITT Group 3 1D-encoding", +" 2d Use optional CCITT Group 3 2D-encoding", +" fill Byte-align EOL codes", +"For example, -c g3:2d:fill to get G3-2D-encoded data with byte-aligned EOLs", +" ", +"JPEG options:", +" # Set compression quality level (0-100, default 100)", +" raw Output color image as raw YCbCr", +" rgb Output color image as RGB", +"For example, -c jpeg:rgb:50 to get JPEG-encoded RGB data with 50% comp. quality", +" ", +"LZW and deflate options:", +" # Set predictor value", +"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing", +" ", +"Page and selection options:", +" -N odd|even|#,#-#,#|last sequences and ranges of images within file to process", +" The words odd or even may be used to specify all odd or even numbered images.", +" The word last may be used in place of a number in the sequence to indicate.", +" The final image in the file without knowing how many images there are.", +" Numbers are counted from one even though TIFF IFDs are counted from zero.", +" ", +" -E t|l|r|b edge to use as origin for width and length of crop region", +" -U units [in, cm, px ] inches, centimeters or pixels", +" ", +" -m #,#,#,# margins from edges for selection: top, left, bottom, right separated by commas", +" -X # horizontal dimension of region to extract expressed in current units", +" -Y # vertical dimension of region to extract expressed in current units", +" -Z #:#,#:# zones of the image designated as position X of Y,", +" eg 1:3 would be first of three equal portions measured from reference edge", +" -z x1,y1,x2,y2:...:xN,yN,xN+1,yN+1", +" regions of the image designated by upper left and lower right coordinates", +"", +"Export grouping options:", +" -e c|d|i|m|s export mode for images and selections from input images.", +" When exporting a composite image from multiple zones or regions", +" (combined and image modes), the selections must have equal sizes", +" for the axis perpendicular to the edge specified with -E.", +" c|combined All images and selections are written to a single file (default).", +" with multiple selections from one image combined into a single image.", +" d|divided All images and selections are written to a single file", +" with each selection from one image written to a new image.", +" i|image Each input image is written to a new file (numeric filename sequence)", +" with multiple selections from the image combined into one image.", +" m|multiple Each input image is written to a new file (numeric filename sequence)", +" with each selection from the image written to a new image.", +" s|separated Individual selections from each image are written to separate files.", +"", +"Output options:", +" -H # Set horizontal resolution of output images to #", +" -V # Set vertical resolution of output images to #", +" -J # Set horizontal margin of output page to # expressed in current units", +" when sectioning image into columns x rows using the -S cols:rows option", +" -K # Set verticalal margin of output page to # expressed in current units", +" when sectioning image into columns x rows using the -S cols:rows option", +" ", +" -O orient orientation for output image, portrait, landscape, auto", +" -P page page size for output image segments, eg letter, legal, tabloid, etc", +" use #.#x#.# to specify a custom page size in the currently defined units", +" where #.# represents the width and length", +" -S cols:rows Divide the image into equal sized segments using cols across and rows down.", +" ", +" -F hor|vert|both", +" flip (mirror) image or region horizontally, vertically, or both", +" -R # [90,180,or 270] degrees clockwise rotation of image or extracted region", +" -I [black|white|data|both]", +" invert color space, eg dark to light for bilevel and grayscale images", +" If argument is white or black, set the PHOTOMETRIC_INTERPRETATION ", +" tag to MinIsBlack or MinIsWhite without altering the image data", +" If the argument is data or both, the image data are modified:", +" both inverts the data and the PHOTOMETRIC_INTERPRETATION tag,", +" data inverts the data but not the PHOTOMETRIC_INTERPRETATION tag", +" ", +"-D opt1:value1,opt2:value2,opt3:value3:opt4:value4", +" Debug/dump program progress and/or data to non-TIFF files.", +" Options include the following and must be joined as a comma", +" separate list. The use of this option is generally limited to", +" program debugging and development of future options.", +" ", +" debug:N Display limited program progress indicators where larger N", +" increase the level of detail. Note: Tiffcrop may be compiled with", +" -DDEVELMODE to enable additional very low level debug reporting.", +"", +" Format:txt|raw Format any logged data as ASCII text or raw binary ", +" values. ASCII text dumps include strings of ones and zeroes", +" representing the binary values in the image data plus identifying headers.", +" ", +" level:N Specify the level of detail presented in the dump files.", +" This can vary from dumps of the entire input or output image data to dumps", +" of data processed by specific functions. Current range of levels is 1 to 3.", +" ", +" input:full-path-to-directory/input-dumpname", +" ", +" output:full-path-to-directory/output-dumpnaem", +" ", +" When dump files are being written, each image will be written to a separate", +" file with the name built by adding a numeric sequence value to the dumpname", +" and an extension of .txt for ASCII dumps or .bin for binary dumps.", +" ", +" The four debug/dump options are independent, though it makes little sense to", +" specify a dump file without specifying a detail level.", +" ", +NULL +}; + +/* This function could be modified to pass starting sample offset + * and number of samples as args to select fewer than spp + * from input image. These would then be passed to individual + * extractContigSampleXX routines. + */ +static int readContigTilesIntoBuffer (TIFF* in, uint8* buf, + uint32 imagelength, + uint32 imagewidth, + uint32 tw, uint32 tl, + tsample_t spp, uint16 bps) + { + int status = 1; + tsample_t sample = 0; + tsample_t count = spp; + uint32 row, col, trow; + uint32 nrow, ncol; + uint32 dst_rowsize, shift_width; + uint32 bytes_per_sample, bytes_per_pixel; + uint32 trailing_bits, prev_trailing_bits; + uint32 tile_rowsize = TIFFTileRowSize(in); + uint32 src_offset, dst_offset; + uint32 row_offset, col_offset; + uint8 *bufp = (uint8*) buf; + unsigned char *src = NULL; + unsigned char *dst = NULL; + tsize_t tbytes = 0, tile_buffsize = 0; + tsize_t tilesize = TIFFTileSize(in); + unsigned char *tilebuf = NULL; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + + if ((bps % 8) == 0) + shift_width = 0; + else + { + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + } + + tile_buffsize = tilesize; + + if (tilesize < (tsize_t)(tl * tile_rowsize)) + { +#ifdef DEBUG2 + TIFFError("readContigTilesIntoBuffer", + "Tilesize %lu is too small, using alternate calculation %u", + tilesize, tl * tile_rowsize); +#endif + tile_buffsize = tl * tile_rowsize; + } + + tilebuf = _TIFFmalloc(tile_buffsize); + if (tilebuf == 0) + return 0; + + dst_rowsize = ((imagewidth * bps * spp) + 7) / 8; + for (row = 0; row < imagelength; row += tl) + { + nrow = (row + tl > imagelength) ? imagelength - row : tl; + for (col = 0; col < imagewidth; col += tw) + { + tbytes = TIFFReadTile(in, tilebuf, col, row, 0, 0); + if (tbytes < tilesize && !ignore) + { + TIFFError(TIFFFileName(in), + "Error, can't read tile at row %lu col %lu, Read %lu bytes of %lu", + (unsigned long) col, (unsigned long) row, (unsigned long)tbytes, + (unsigned long)tilesize); + status = 0; + _TIFFfree(tilebuf); + return status; + } + + row_offset = row * dst_rowsize; + col_offset = ((col * bps * spp) + 7)/ 8; + bufp = buf + row_offset + col_offset; + + if (col + tw > imagewidth) + ncol = imagewidth - col; + else + ncol = tw; + + /* Each tile scanline will start on a byte boundary but it + * has to be merged into the scanline for the entire + * image buffer and the previous segment may not have + * ended on a byte boundary + */ + /* Optimization for common bit depths, all samples */ + if (((bps % 8) == 0) && (count == spp)) + { + for (trow = 0; trow < nrow; trow++) + { + src_offset = trow * tile_rowsize; + _TIFFmemcpy (bufp, tilebuf + src_offset, (ncol * spp * bps) / 8); + bufp += (imagewidth * bps * spp) / 8; + } + } + else + { + /* Bit depths not a multiple of 8 and/or extract fewer than spp samples */ + prev_trailing_bits = trailing_bits = 0; + trailing_bits = (ncol * bps * spp) % 8; + + /* for (trow = 0; tl < nrow; trow++) */ + for (trow = 0; trow < nrow; trow++) + { + src_offset = trow * tile_rowsize; + src = tilebuf + src_offset; + dst_offset = (row + trow) * dst_rowsize; + dst = buf + dst_offset + col_offset; + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, ncol, sample, + spp, bps, count, 0, ncol)) + { + TIFFError("readContigTilesIntoBuffer", + "Unable to extract row %d from tile %lu", + row, (unsigned long)TIFFCurrentTile(in)); + return 1; + } + break; + case 1: if (bps == 1) + { + if (extractContigSamplesShifted8bits (src, dst, ncol, + sample, spp, + bps, count, + 0, ncol, + prev_trailing_bits)) + { + TIFFError("readContigTilesIntoBuffer", + "Unable to extract row %d from tile %lu", + row, (unsigned long)TIFFCurrentTile(in)); + return 1; + } + break; + } + else + if (extractContigSamplesShifted16bits (src, dst, ncol, + sample, spp, + bps, count, + 0, ncol, + prev_trailing_bits)) + { + TIFFError("readContigTilesIntoBuffer", + "Unable to extract row %d from tile %lu", + row, (unsigned long)TIFFCurrentTile(in)); + return 1; + } + break; + case 2: if (extractContigSamplesShifted24bits (src, dst, ncol, + sample, spp, + bps, count, + 0, ncol, + prev_trailing_bits)) + { + TIFFError("readContigTilesIntoBuffer", + "Unable to extract row %d from tile %lu", + row, (unsigned long)TIFFCurrentTile(in)); + return 1; + } + break; + case 3: + case 4: + case 5: if (extractContigSamplesShifted32bits (src, dst, ncol, + sample, spp, + bps, count, + 0, ncol, + prev_trailing_bits)) + { + TIFFError("readContigTilesIntoBuffer", + "Unable to extract row %d from tile %lu", + row, (unsigned long)TIFFCurrentTile(in)); + return 1; + } + break; + default: TIFFError("readContigTilesIntoBuffer", "Unsupported bit depth %d", bps); + return 1; + } + } + prev_trailing_bits += trailing_bits; + if (prev_trailing_bits > 7) + prev_trailing_bits-= 8; + } + } + } + + _TIFFfree(tilebuf); + return status; + } + +static int readSeparateTilesIntoBuffer (TIFF* in, uint8 *obuf, + uint32 imagelength, uint32 imagewidth, + uint32 tw, uint32 tl, + uint16 spp, uint16 bps) + { + int i, status = 1, sample; + int shift_width, bytes_per_pixel; + uint16 bytes_per_sample; + uint32 row, col; /* Current row and col of image */ + uint32 nrow, ncol; /* Number of rows and cols in current tile */ + uint32 row_offset, col_offset; /* Output buffer offsets */ + tsize_t tbytes = 0, tilesize = TIFFTileSize(in); + tsample_t s; + uint8* bufp = (uint8*)obuf; + unsigned char *srcbuffs[MAX_SAMPLES]; + unsigned char *tbuff = NULL; + + bytes_per_sample = (bps + 7) / 8; + + for (sample = 0; (sample < spp) && (sample < MAX_SAMPLES); sample++) + { + srcbuffs[sample] = NULL; + tbuff = (unsigned char *)_TIFFmalloc(tilesize + 8); + if (!tbuff) + { + TIFFError ("readSeparateTilesIntoBuffer", + "Unable to allocate tile read buffer for sample %d", sample); + for (i = 0; i < sample; i++) + _TIFFfree (srcbuffs[i]); + return 0; + } + srcbuffs[sample] = tbuff; + } + /* Each tile contains only the data for a single plane + * arranged in scanlines of tw * bytes_per_sample bytes. + */ + for (row = 0; row < imagelength; row += tl) + { + nrow = (row + tl > imagelength) ? imagelength - row : tl; + for (col = 0; col < imagewidth; col += tw) + { + for (s = 0; s < spp; s++) + { /* Read each plane of a tile set into srcbuffs[s] */ + tbytes = TIFFReadTile(in, srcbuffs[s], col, row, 0, s); + if (tbytes < 0 && !ignore) + { + TIFFError(TIFFFileName(in), + "Error, can't read tile for row %lu col %lu, " + "sample %lu", + (unsigned long) col, (unsigned long) row, + (unsigned long) s); + status = 0; + for (sample = 0; (sample < spp) && (sample < MAX_SAMPLES); sample++) + { + tbuff = srcbuffs[sample]; + if (tbuff != NULL) + _TIFFfree(tbuff); + } + return status; + } + } + /* Tiles on the right edge may be padded out to tw + * which must be a multiple of 16. + * Ncol represents the visible (non padding) portion. + */ + if (col + tw > imagewidth) + ncol = imagewidth - col; + else + ncol = tw; + + row_offset = row * (((imagewidth * spp * bps) + 7) / 8); + col_offset = ((col * spp * bps) + 7) / 8; + bufp = obuf + row_offset + col_offset; + + if ((bps % 8) == 0) + { + if (combineSeparateTileSamplesBytes(srcbuffs, bufp, ncol, nrow, imagewidth, + tw, spp, bps, NULL, 0, 0)) + { + status = 0; + break; + } + } + else + { + bytes_per_pixel = ((bps * spp) + 7) / 8; + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + + switch (shift_width) + { + case 1: if (combineSeparateTileSamples8bits (srcbuffs, bufp, ncol, nrow, + imagewidth, tw, spp, bps, + NULL, 0, 0)) + { + status = 0; + break; + } + break; + case 2: if (combineSeparateTileSamples16bits (srcbuffs, bufp, ncol, nrow, + imagewidth, tw, spp, bps, + NULL, 0, 0)) + { + status = 0; + break; + } + break; + case 3: if (combineSeparateTileSamples24bits (srcbuffs, bufp, ncol, nrow, + imagewidth, tw, spp, bps, + NULL, 0, 0)) + { + status = 0; + break; + } + break; + case 4: + case 5: + case 6: + case 7: + case 8: if (combineSeparateTileSamples32bits (srcbuffs, bufp, ncol, nrow, + imagewidth, tw, spp, bps, + NULL, 0, 0)) + { + status = 0; + break; + } + break; + default: TIFFError ("readSeparateTilesIntoBuffer", "Unsupported bit depth: %d", bps); + status = 0; + break; + } + } + } + } + + for (sample = 0; (sample < spp) && (sample < MAX_SAMPLES); sample++) + { + tbuff = srcbuffs[sample]; + if (tbuff != NULL) + _TIFFfree(tbuff); + } + + return status; + } + +static int writeBufferToContigStrips(TIFF* out, uint8* buf, uint32 imagelength) + { + uint32 row, nrows, rowsperstrip; + tstrip_t strip = 0; + tsize_t stripsize; + + TIFFGetFieldDefaulted(out, TIFFTAG_ROWSPERSTRIP, &rowsperstrip); + for (row = 0; row < imagelength; row += rowsperstrip) + { + nrows = (row + rowsperstrip > imagelength) ? + imagelength - row : rowsperstrip; + stripsize = TIFFVStripSize(out, nrows); + if (TIFFWriteEncodedStrip(out, strip++, buf, stripsize) < 0) + { + TIFFError(TIFFFileName(out), "Error, can't write strip %u", strip - 1); + return 1; + } + buf += stripsize; + } + + return 0; + } + +/* Abandon plans to modify code so that plannar orientation separate images + * do not have all samples for each channel written before all samples + * for the next channel have been abandoned. + * Libtiff internals seem to depend on all data for a given sample + * being contiguous within a strip or tile when PLANAR_CONFIG is + * separate. All strips or tiles of a given plane are written + * before any strips or tiles of a different plane are stored. + */ +static int +writeBufferToSeparateStrips (TIFF* out, uint8* buf, + uint32 length, uint32 width, uint16 spp, + struct dump_opts *dump) + { + uint8 *src; + uint16 bps; + uint32 row, nrows, rowsize, rowsperstrip; + uint32 bytes_per_sample; + tsample_t s; + tstrip_t strip = 0; + tsize_t stripsize = TIFFStripSize(out); + tsize_t rowstripsize, scanlinesize = TIFFScanlineSize(out); + tsize_t total_bytes = 0; + tdata_t obuf; + + (void) TIFFGetFieldDefaulted(out, TIFFTAG_ROWSPERSTRIP, &rowsperstrip); + (void) TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps); + bytes_per_sample = (bps + 7) / 8; + rowsize = ((bps * spp * width) + 7) / 8; /* source has interleaved samples */ + rowstripsize = rowsperstrip * bytes_per_sample * (width + 1); + + obuf = _TIFFmalloc (rowstripsize); + if (obuf == NULL) + return 1; + + for (s = 0; s < spp; s++) + { + for (row = 0; row < length; row += rowsperstrip) + { + nrows = (row + rowsperstrip > length) ? length - row : rowsperstrip; + + stripsize = TIFFVStripSize(out, nrows); + src = buf + (row * rowsize); + total_bytes += stripsize; + memset (obuf, '\0', rowstripsize); + if (extractContigSamplesToBuffer(obuf, src, nrows, width, s, spp, bps, dump)) + { + _TIFFfree(obuf); + return 1; + } + if ((dump->outfile != NULL) && (dump->level == 1)) + { + dump_info(dump->outfile, dump->format,"", + "Sample %2d, Strip: %2d, bytes: %4d, Row %4d, bytes: %4d, Input offset: %6d", + s + 1, strip + 1, stripsize, row + 1, scanlinesize, src - buf); + dump_buffer(dump->outfile, dump->format, nrows, scanlinesize, row, obuf); + } + + if (TIFFWriteEncodedStrip(out, strip++, obuf, stripsize) < 0) + { + TIFFError(TIFFFileName(out), "Error, can't write strip %u", strip - 1); + _TIFFfree(obuf); + return 1; + } + } + } + + _TIFFfree(obuf); + return 0; +} + +/* Extract all planes from contiguous buffer into a single tile buffer + * to be written out as a tile. + */ +static int writeBufferToContigTiles (TIFF* out, uint8* buf, uint32 imagelength, + uint32 imagewidth, tsample_t spp, + struct dump_opts* dump) + { + uint16 bps; + uint32 tl, tw; + uint32 row, col, nrow, ncol; + uint32 src_rowsize, col_offset; + uint32 tile_rowsize = TIFFTileRowSize(out); + uint8* bufp = (uint8*) buf; + tsize_t tile_buffsize = 0; + tsize_t tilesize = TIFFTileSize(out); + unsigned char *tilebuf = NULL; + + if( !TIFFGetField(out, TIFFTAG_TILELENGTH, &tl) || + !TIFFGetField(out, TIFFTAG_TILEWIDTH, &tw) || + !TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps) ) + return 1; + + tile_buffsize = tilesize; + if (tilesize < (tsize_t)(tl * tile_rowsize)) + { +#ifdef DEBUG2 + TIFFError("writeBufferToContigTiles", + "Tilesize %lu is too small, using alternate calculation %u", + tilesize, tl * tile_rowsize); +#endif + tile_buffsize = tl * tile_rowsize; + } + + tilebuf = _TIFFmalloc(tile_buffsize); + if (tilebuf == 0) + return 1; + + src_rowsize = ((imagewidth * spp * bps) + 7) / 8; + for (row = 0; row < imagelength; row += tl) + { + nrow = (row + tl > imagelength) ? imagelength - row : tl; + for (col = 0; col < imagewidth; col += tw) + { + /* Calculate visible portion of tile. */ + if (col + tw > imagewidth) + ncol = imagewidth - col; + else + ncol = tw; + + col_offset = (((col * bps * spp) + 7) / 8); + bufp = buf + (row * src_rowsize) + col_offset; + if (extractContigSamplesToTileBuffer(tilebuf, bufp, nrow, ncol, imagewidth, + tw, 0, spp, spp, bps, dump) > 0) + { + TIFFError("writeBufferToContigTiles", + "Unable to extract data to tile for row %lu, col %lu", + (unsigned long) row, (unsigned long)col); + _TIFFfree(tilebuf); + return 1; + } + + if (TIFFWriteTile(out, tilebuf, col, row, 0, 0) < 0) + { + TIFFError("writeBufferToContigTiles", + "Cannot write tile at %lu %lu", + (unsigned long) col, (unsigned long) row); + _TIFFfree(tilebuf); + return 1; + } + } + } + _TIFFfree(tilebuf); + + return 0; + } /* end writeBufferToContigTiles */ + +/* Extract each plane from contiguous buffer into a single tile buffer + * to be written out as a tile. + */ +static int writeBufferToSeparateTiles (TIFF* out, uint8* buf, uint32 imagelength, + uint32 imagewidth, tsample_t spp, + struct dump_opts * dump) + { + tdata_t obuf = _TIFFmalloc(TIFFTileSize(out)); + uint32 tl, tw; + uint32 row, col, nrow, ncol; + uint32 src_rowsize, col_offset; + uint16 bps; + tsample_t s; + uint8* bufp = (uint8*) buf; + + if (obuf == NULL) + return 1; + + TIFFGetField(out, TIFFTAG_TILELENGTH, &tl); + TIFFGetField(out, TIFFTAG_TILEWIDTH, &tw); + TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps); + src_rowsize = ((imagewidth * spp * bps) + 7) / 8; + + for (row = 0; row < imagelength; row += tl) + { + nrow = (row + tl > imagelength) ? imagelength - row : tl; + for (col = 0; col < imagewidth; col += tw) + { + /* Calculate visible portion of tile. */ + if (col + tw > imagewidth) + ncol = imagewidth - col; + else + ncol = tw; + + col_offset = (((col * bps * spp) + 7) / 8); + bufp = buf + (row * src_rowsize) + col_offset; + + for (s = 0; s < spp; s++) + { + if (extractContigSamplesToTileBuffer(obuf, bufp, nrow, ncol, imagewidth, + tw, s, 1, spp, bps, dump) > 0) + { + TIFFError("writeBufferToSeparateTiles", + "Unable to extract data to tile for row %lu, col %lu sample %d", + (unsigned long) row, (unsigned long)col, (int)s); + _TIFFfree(obuf); + return 1; + } + + if (TIFFWriteTile(out, obuf, col, row, 0, s) < 0) + { + TIFFError("writeBufferToseparateTiles", + "Cannot write tile at %lu %lu sample %lu", + (unsigned long) col, (unsigned long) row, + (unsigned long) s); + _TIFFfree(obuf); + return 1; + } + } + } + } + _TIFFfree(obuf); + + return 0; + } /* end writeBufferToSeparateTiles */ + +static void +processG3Options(char* cp) +{ + if( (cp = strchr(cp, ':')) ) { + if (defg3opts == (uint32) -1) + defg3opts = 0; + do { + cp++; + if (strneq(cp, "1d", 2)) + defg3opts &= ~GROUP3OPT_2DENCODING; + else if (strneq(cp, "2d", 2)) + defg3opts |= GROUP3OPT_2DENCODING; + else if (strneq(cp, "fill", 4)) + defg3opts |= GROUP3OPT_FILLBITS; + else + usage(); + } while( (cp = strchr(cp, ':')) ); + } +} + +static int +processCompressOptions(char* opt) + { + char* cp = NULL; + + if (strneq(opt, "none",4)) + { + defcompression = COMPRESSION_NONE; + } + else if (streq(opt, "packbits")) + { + defcompression = COMPRESSION_PACKBITS; + } + else if (strneq(opt, "jpeg", 4)) + { + cp = strchr(opt, ':'); + defcompression = COMPRESSION_JPEG; + + while (cp) + { + if (isdigit((int)cp[1])) + quality = atoi(cp + 1); + else if (strneq(cp + 1, "raw", 3 )) + jpegcolormode = JPEGCOLORMODE_RAW; + else if (strneq(cp + 1, "rgb", 3 )) + jpegcolormode = JPEGCOLORMODE_RGB; + else + usage(); + cp = strchr(cp + 1, ':'); + } + } + else if (strneq(opt, "g3", 2)) + { + processG3Options(opt); + defcompression = COMPRESSION_CCITTFAX3; + } + else if (streq(opt, "g4")) + { + defcompression = COMPRESSION_CCITTFAX4; + } + else if (strneq(opt, "lzw", 3)) + { + cp = strchr(opt, ':'); + if (cp) + defpredictor = atoi(cp+1); + defcompression = COMPRESSION_LZW; + } + else if (strneq(opt, "zip", 3)) + { + cp = strchr(opt, ':'); + if (cp) + defpredictor = atoi(cp+1); + defcompression = COMPRESSION_ADOBE_DEFLATE; + } + else + return (0); + + return (1); + } + +static void +usage(void) + { + int i; + + fprintf(stderr, "\n%s\n", TIFFGetVersion()); + for (i = 0; usage_info[i] != NULL; i++) + fprintf(stderr, "%s\n", usage_info[i]); + exit(-1); + } + +#define CopyField(tag, v) \ + if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v) +#define CopyField2(tag, v1, v2) \ + if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2) +#define CopyField3(tag, v1, v2, v3) \ + if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3) +#define CopyField4(tag, v1, v2, v3, v4) \ + if (TIFFGetField(in, tag, &v1, &v2, &v3, &v4)) TIFFSetField(out, tag, v1, v2, v3, v4) + +static void +cpTag(TIFF* in, TIFF* out, uint16 tag, uint16 count, TIFFDataType type) +{ + switch (type) { + case TIFF_SHORT: + if (count == 1) { + uint16 shortv; + CopyField(tag, shortv); + } else if (count == 2) { + uint16 shortv1, shortv2; + CopyField2(tag, shortv1, shortv2); + } else if (count == 4) { + uint16 *tr, *tg, *tb, *ta; + CopyField4(tag, tr, tg, tb, ta); + } else if (count == (uint16) -1) { + uint16 shortv1; + uint16* shortav; + CopyField2(tag, shortv1, shortav); + } + break; + case TIFF_LONG: + { uint32 longv; + CopyField(tag, longv); + } + break; + case TIFF_RATIONAL: + if (count == 1) { + float floatv; + CopyField(tag, floatv); + } else if (count == (uint16) -1) { + float* floatav; + CopyField(tag, floatav); + } + break; + case TIFF_ASCII: + { char* stringv; + CopyField(tag, stringv); + } + break; + case TIFF_DOUBLE: + if (count == 1) { + double doublev; + CopyField(tag, doublev); + } else if (count == (uint16) -1) { + double* doubleav; + CopyField(tag, doubleav); + } + break; + default: + TIFFError(TIFFFileName(in), + "Data type %d is not supported, tag %d skipped", + tag, type); + } +} + +static struct cpTag { + uint16 tag; + uint16 count; + TIFFDataType type; +} tags[] = { + { TIFFTAG_SUBFILETYPE, 1, TIFF_LONG }, + { TIFFTAG_THRESHHOLDING, 1, TIFF_SHORT }, + { TIFFTAG_DOCUMENTNAME, 1, TIFF_ASCII }, + { TIFFTAG_IMAGEDESCRIPTION, 1, TIFF_ASCII }, + { TIFFTAG_MAKE, 1, TIFF_ASCII }, + { TIFFTAG_MODEL, 1, TIFF_ASCII }, + { TIFFTAG_MINSAMPLEVALUE, 1, TIFF_SHORT }, + { TIFFTAG_MAXSAMPLEVALUE, 1, TIFF_SHORT }, + { TIFFTAG_XRESOLUTION, 1, TIFF_RATIONAL }, + { TIFFTAG_YRESOLUTION, 1, TIFF_RATIONAL }, + { TIFFTAG_PAGENAME, 1, TIFF_ASCII }, + { TIFFTAG_XPOSITION, 1, TIFF_RATIONAL }, + { TIFFTAG_YPOSITION, 1, TIFF_RATIONAL }, + { TIFFTAG_RESOLUTIONUNIT, 1, TIFF_SHORT }, + { TIFFTAG_SOFTWARE, 1, TIFF_ASCII }, + { TIFFTAG_DATETIME, 1, TIFF_ASCII }, + { TIFFTAG_ARTIST, 1, TIFF_ASCII }, + { TIFFTAG_HOSTCOMPUTER, 1, TIFF_ASCII }, + { TIFFTAG_WHITEPOINT, (uint16) -1, TIFF_RATIONAL }, + { TIFFTAG_PRIMARYCHROMATICITIES,(uint16) -1,TIFF_RATIONAL }, + { TIFFTAG_HALFTONEHINTS, 2, TIFF_SHORT }, + { TIFFTAG_INKSET, 1, TIFF_SHORT }, + { TIFFTAG_DOTRANGE, 2, TIFF_SHORT }, + { TIFFTAG_TARGETPRINTER, 1, TIFF_ASCII }, + { TIFFTAG_SAMPLEFORMAT, 1, TIFF_SHORT }, + { TIFFTAG_YCBCRCOEFFICIENTS, (uint16) -1,TIFF_RATIONAL }, + { TIFFTAG_YCBCRSUBSAMPLING, 2, TIFF_SHORT }, + { TIFFTAG_YCBCRPOSITIONING, 1, TIFF_SHORT }, + { TIFFTAG_REFERENCEBLACKWHITE, (uint16) -1,TIFF_RATIONAL }, + { TIFFTAG_EXTRASAMPLES, (uint16) -1, TIFF_SHORT }, + { TIFFTAG_SMINSAMPLEVALUE, 1, TIFF_DOUBLE }, + { TIFFTAG_SMAXSAMPLEVALUE, 1, TIFF_DOUBLE }, + { TIFFTAG_STONITS, 1, TIFF_DOUBLE }, +}; +#define NTAGS (sizeof (tags) / sizeof (tags[0])) + +#define CopyTag(tag, count, type) cpTag(in, out, tag, count, type) + +/* Functions written by Richard Nolde, with exceptions noted. */ +void process_command_opts (int argc, char *argv[], char *mp, char *mode, uint32 *dirnum, + uint16 *defconfig, uint16 *deffillorder, uint32 *deftilewidth, + uint32 *deftilelength, uint32 *defrowsperstrip, + struct crop_mask *crop_data, struct pagedef *page, + struct dump_opts *dump, + unsigned int *imagelist, unsigned int *image_count ) + { + int c, good_args = 0; + char *opt_offset = NULL; /* Position in string of value sought */ + char *opt_ptr = NULL; /* Pointer to next token in option set */ + char *sep = NULL; /* Pointer to a token separator */ + unsigned int i, j, start, end; + extern int optind; + extern char* optarg; + + *mp++ = 'w'; + *mp = '\0'; + while ((c = getopt(argc, argv, + "ac:d:e:f:hil:m:p:r:stvw:z:BCD:E:F:H:I:J:K:LMN:O:P:R:S:U:V:X:Y:Z:")) != -1) + { + good_args++; + switch (c) { + case 'a': mode[0] = 'a'; /* append to output */ + break; + case 'c': if (!processCompressOptions(optarg)) /* compression scheme */ + { + TIFFError ("Unknown compression option", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'd': start = strtoul(optarg, NULL, 0); /* initial IFD offset */ + if (start == 0) + { + TIFFError ("","Directory offset must be greater than zero"); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + *dirnum = start - 1; + break; + case 'e': switch (tolower(optarg[0])) /* image export modes*/ + { + case 'c': crop_data->exp_mode = ONE_FILE_COMPOSITE; + crop_data->img_mode = COMPOSITE_IMAGES; + break; /* Composite */ + case 'd': crop_data->exp_mode = ONE_FILE_SEPARATED; + crop_data->img_mode = SEPARATED_IMAGES; + break; /* Divided */ + case 'i': crop_data->exp_mode = FILE_PER_IMAGE_COMPOSITE; + crop_data->img_mode = COMPOSITE_IMAGES; + break; /* Image */ + case 'm': crop_data->exp_mode = FILE_PER_IMAGE_SEPARATED; + crop_data->img_mode = SEPARATED_IMAGES; + break; /* Multiple */ + case 's': crop_data->exp_mode = FILE_PER_SELECTION; + crop_data->img_mode = SEPARATED_IMAGES; + break; /* Sections */ + default: TIFFError ("Unknown export mode","%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'f': if (streq(optarg, "lsb2msb")) /* fill order */ + *deffillorder = FILLORDER_LSB2MSB; + else if (streq(optarg, "msb2lsb")) + *deffillorder = FILLORDER_MSB2LSB; + else + { + TIFFError ("Unknown fill order", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'h': usage(); + break; + case 'i': ignore = TRUE; /* ignore errors */ + break; + case 'l': outtiled = TRUE; /* tile length */ + *deftilelength = atoi(optarg); + break; + case 'p': /* planar configuration */ + if (streq(optarg, "separate")) + *defconfig = PLANARCONFIG_SEPARATE; + else if (streq(optarg, "contig")) + *defconfig = PLANARCONFIG_CONTIG; + else + { + TIFFError ("Unkown planar configuration", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'r': /* rows/strip */ + *defrowsperstrip = atol(optarg); + break; + case 's': /* generate stripped output */ + outtiled = FALSE; + break; + case 't': /* generate tiled output */ + outtiled = TRUE; + break; + case 'v': TIFFError("Library Release", "%s", TIFFGetVersion()); + TIFFError ("Tiffcrop version", "%s, last updated: %s", + tiffcrop_version_id, tiffcrop_rev_date); + TIFFError ("Tiffcp code", "Copyright (c) 1988-1997 Sam Leffler"); + TIFFError (" ", "Copyright (c) 1991-1997 Silicon Graphics, Inc"); + TIFFError ("Tiffcrop additions", "Copyright (c) 2007-2010 Richard Nolde"); + exit (0); + break; + case 'w': /* tile width */ + outtiled = TRUE; + *deftilewidth = atoi(optarg); + break; + case 'z': /* regions of an image specified as x1,y1,x2,y2:x3,y3,x4,y4 etc */ + crop_data->crop_mode |= CROP_REGIONS; + for (i = 0, opt_ptr = strtok (optarg, ":"); + ((opt_ptr != NULL) && (i < MAX_REGIONS)); + (opt_ptr = strtok (NULL, ":")), i++) + { + crop_data->regions++; + if (sscanf(opt_ptr, "%lf,%lf,%lf,%lf", + &crop_data->corners[i].X1, &crop_data->corners[i].Y1, + &crop_data->corners[i].X2, &crop_data->corners[i].Y2) != 4) + { + TIFFError ("Unable to parse coordinates for region", "%d %s", i, optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + } + /* check for remaining elements over MAX_REGIONS */ + if ((opt_ptr != NULL) && (i >= MAX_REGIONS)) + { + TIFFError ("Region list exceeds limit of", "%d regions %s", MAX_REGIONS, optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1);; + } + break; + /* options for file open modes */ + case 'B': *mp++ = 'b'; *mp = '\0'; + break; + case 'L': *mp++ = 'l'; *mp = '\0'; + break; + case 'M': *mp++ = 'm'; *mp = '\0'; + break; + case 'C': *mp++ = 'c'; *mp = '\0'; + break; + /* options for Debugging / data dump */ + case 'D': for (i = 0, opt_ptr = strtok (optarg, ","); + (opt_ptr != NULL); + (opt_ptr = strtok (NULL, ",")), i++) + { + opt_offset = strpbrk(opt_ptr, ":="); + if (opt_offset == NULL) + { + TIFFError("Invalid dump option", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + + *opt_offset = '\0'; + /* convert option to lowercase */ + end = strlen (opt_ptr); + for (i = 0; i < end; i++) + *(opt_ptr + i) = tolower(*(opt_ptr + i)); + /* Look for dump format specification */ + if (strncmp(opt_ptr, "for", 3) == 0) + { + /* convert value to lowercase */ + end = strlen (opt_offset + 1); + for (i = 1; i <= end; i++) + *(opt_offset + i) = tolower(*(opt_offset + i)); + /* check dump format value */ + if (strncmp (opt_offset + 1, "txt", 3) == 0) + { + dump->format = DUMP_TEXT; + strcpy (dump->mode, "w"); + } + else + { + if (strncmp(opt_offset + 1, "raw", 3) == 0) + { + dump->format = DUMP_RAW; + strcpy (dump->mode, "wb"); + } + else + { + TIFFError("parse_command_opts", "Unknown dump format %s", opt_offset + 1); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + } + } + else + { /* Look for dump level specification */ + if (strncmp (opt_ptr, "lev", 3) == 0) + dump->level = atoi(opt_offset + 1); + /* Look for input data dump file name */ + if (strncmp (opt_ptr, "in", 2) == 0) + { + strncpy (dump->infilename, opt_offset + 1, PATH_MAX - 20); + dump->infilename[PATH_MAX - 20] = '\0'; + } + /* Look for output data dump file name */ + if (strncmp (opt_ptr, "out", 3) == 0) + { + strncpy (dump->outfilename, opt_offset + 1, PATH_MAX - 20); + dump->outfilename[PATH_MAX - 20] = '\0'; + } + if (strncmp (opt_ptr, "deb", 3) == 0) + dump->debug = atoi(opt_offset + 1); + } + } + if ((strlen(dump->infilename)) || (strlen(dump->outfilename))) + { + if (dump->level == 1) + TIFFError("","Defaulting to dump level 1, no data."); + if (dump->format == DUMP_NONE) + { + TIFFError("", "You must specify a dump format for dump files"); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + } + break; + + /* image manipulation routine options */ + case 'm': /* margins to exclude from selection, uppercase M was already used */ + /* order of values must be TOP, LEFT, BOTTOM, RIGHT */ + crop_data->crop_mode |= CROP_MARGINS; + for (i = 0, opt_ptr = strtok (optarg, ",:"); + ((opt_ptr != NULL) && (i < 4)); + (opt_ptr = strtok (NULL, ",:")), i++) + { + crop_data->margins[i] = atof(opt_ptr); + } + break; + case 'E': /* edge reference */ + switch (tolower(optarg[0])) + { + case 't': crop_data->edge_ref = EDGE_TOP; + break; + case 'b': crop_data->edge_ref = EDGE_BOTTOM; + break; + case 'l': crop_data->edge_ref = EDGE_LEFT; + break; + case 'r': crop_data->edge_ref = EDGE_RIGHT; + break; + default: TIFFError ("Edge reference must be top, bottom, left, or right", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'F': /* flip eg mirror image or cropped segment, M was already used */ + crop_data->crop_mode |= CROP_MIRROR; + switch (tolower(optarg[0])) + { + case 'h': crop_data->mirror = MIRROR_HORIZ; + break; + case 'v': crop_data->mirror = MIRROR_VERT; + break; + case 'b': crop_data->mirror = MIRROR_BOTH; + break; + default: TIFFError ("Flip mode must be horiz, vert, or both", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'H': /* set horizontal resolution to new value */ + page->hres = atof (optarg); + page->mode |= PAGE_MODE_RESOLUTION; + break; + case 'I': /* invert the color space, eg black to white */ + crop_data->crop_mode |= CROP_INVERT; + /* The PHOTOMETIC_INTERPRETATION tag may be updated */ + if (streq(optarg, "black")) + { + crop_data->photometric = PHOTOMETRIC_MINISBLACK; + continue; + } + if (streq(optarg, "white")) + { + crop_data->photometric = PHOTOMETRIC_MINISWHITE; + continue; + } + if (streq(optarg, "data")) + { + crop_data->photometric = INVERT_DATA_ONLY; + continue; + } + if (streq(optarg, "both")) + { + crop_data->photometric = INVERT_DATA_AND_TAG; + continue; + } + + TIFFError("Missing or unknown option for inverting PHOTOMETRIC_INTERPRETATION", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + break; + case 'J': /* horizontal margin for sectioned ouput pages */ + page->hmargin = atof(optarg); + page->mode |= PAGE_MODE_MARGINS; + break; + case 'K': /* vertical margin for sectioned ouput pages*/ + page->vmargin = atof(optarg); + page->mode |= PAGE_MODE_MARGINS; + break; + case 'N': /* list of images to process */ + for (i = 0, opt_ptr = strtok (optarg, ","); + ((opt_ptr != NULL) && (i < MAX_IMAGES)); + (opt_ptr = strtok (NULL, ","))) + { /* We do not know how many images are in file yet + * so we build a list to include the maximum allowed + * and follow it until we hit the end of the file. + * Image count is not accurate for odd, even, last + * so page numbers won't be valid either. + */ + if (streq(opt_ptr, "odd")) + { + for (j = 1; j <= MAX_IMAGES; j += 2) + imagelist[i++] = j; + *image_count = (MAX_IMAGES - 1) / 2; + break; + } + else + { + if (streq(opt_ptr, "even")) + { + for (j = 2; j <= MAX_IMAGES; j += 2) + imagelist[i++] = j; + *image_count = MAX_IMAGES / 2; + break; + } + else + { + if (streq(opt_ptr, "last")) + imagelist[i++] = MAX_IMAGES; + else /* single value between commas */ + { + sep = strpbrk(opt_ptr, ":-"); + if (!sep) + imagelist[i++] = atoi(opt_ptr); + else + { + *sep = '\0'; + start = atoi (opt_ptr); + if (!strcmp((sep + 1), "last")) + end = MAX_IMAGES; + else + end = atoi (sep + 1); + for (j = start; j <= end && j - start + i < MAX_IMAGES; j++) + imagelist[i++] = j; + } + } + } + } + } + *image_count = i; + break; + case 'O': /* page orientation */ + switch (tolower(optarg[0])) + { + case 'a': page->orient = ORIENTATION_AUTO; + break; + case 'p': page->orient = ORIENTATION_PORTRAIT; + break; + case 'l': page->orient = ORIENTATION_LANDSCAPE; + break; + default: TIFFError ("Orientation must be portrait, landscape, or auto.", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'P': /* page size selection */ + if (sscanf(optarg, "%lfx%lf", &page->width, &page->length) == 2) + { + strcpy (page->name, "Custom"); + page->mode |= PAGE_MODE_PAPERSIZE; + break; + } + if (get_page_geometry (optarg, page)) + { + if (!strcmp(optarg, "list")) + { + TIFFError("", "Name Width Length (in inches)"); + for (i = 0; i < MAX_PAPERNAMES - 1; i++) + TIFFError ("", "%-15.15s %5.2f %5.2f", + PaperTable[i].name, PaperTable[i].width, + PaperTable[i].length); + exit (-1); + } + + TIFFError ("Invalid paper size", "%s", optarg); + TIFFError ("", "Select one of:"); + TIFFError("", "Name Width Length (in inches)"); + for (i = 0; i < MAX_PAPERNAMES - 1; i++) + TIFFError ("", "%-15.15s %5.2f %5.2f", + PaperTable[i].name, PaperTable[i].width, + PaperTable[i].length); + exit (-1); + } + else + { + page->mode |= PAGE_MODE_PAPERSIZE; + } + break; + case 'R': /* rotate image or cropped segment */ + crop_data->crop_mode |= CROP_ROTATE; + switch (strtoul(optarg, NULL, 0)) + { + case 90: crop_data->rotation = (uint16)90; + break; + case 180: crop_data->rotation = (uint16)180; + break; + case 270: crop_data->rotation = (uint16)270; + break; + default: TIFFError ("Rotation must be 90, 180, or 270 degrees clockwise", "%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'S': /* subdivide into Cols:Rows sections, eg 3:2 would be 3 across and 2 down */ + sep = strpbrk(optarg, ",:"); + if (sep) + { + *sep = '\0'; + page->cols = atoi(optarg); + page->rows = atoi(sep +1); + } + else + { + page->cols = atoi(optarg); + page->rows = atoi(optarg); + } + if ((page->cols * page->rows) > MAX_SECTIONS) + { + TIFFError ("Limit for subdivisions, ie rows x columns, exceeded", "%d", MAX_SECTIONS); + exit (-1); + } + page->mode |= PAGE_MODE_ROWSCOLS; + break; + case 'U': /* units for measurements and offsets */ + if (streq(optarg, "in")) + { + crop_data->res_unit = RESUNIT_INCH; + page->res_unit = RESUNIT_INCH; + } + else if (streq(optarg, "cm")) + { + crop_data->res_unit = RESUNIT_CENTIMETER; + page->res_unit = RESUNIT_CENTIMETER; + } + else if (streq(optarg, "px")) + { + crop_data->res_unit = RESUNIT_NONE; + page->res_unit = RESUNIT_NONE; + } + else + { + TIFFError ("Illegal unit of measure","%s", optarg); + TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + } + break; + case 'V': /* set vertical resolution to new value */ + page->vres = atof (optarg); + page->mode |= PAGE_MODE_RESOLUTION; + break; + case 'X': /* selection width */ + crop_data->crop_mode |= CROP_WIDTH; + crop_data->width = atof(optarg); + break; + case 'Y': /* selection length */ + crop_data->crop_mode |= CROP_LENGTH; + crop_data->length = atof(optarg); + break; + case 'Z': /* zones of an image X:Y read as zone X of Y */ + crop_data->crop_mode |= CROP_ZONES; + for (i = 0, opt_ptr = strtok (optarg, ","); + ((opt_ptr != NULL) && (i < MAX_REGIONS)); + (opt_ptr = strtok (NULL, ",")), i++) + { + crop_data->zones++; + opt_offset = strchr(opt_ptr, ':'); + if (!opt_offset) { + TIFFError("Wrong parameter syntax for -Z", "tiffcrop -h"); + exit(-1); + } + *opt_offset = '\0'; + crop_data->zonelist[i].position = atoi(opt_ptr); + crop_data->zonelist[i].total = atoi(opt_offset + 1); + } + /* check for remaining elements over MAX_REGIONS */ + if ((opt_ptr != NULL) && (i >= MAX_REGIONS)) + { + TIFFError("Zone list exceeds region limit", "%d", MAX_REGIONS); + exit (-1); + } + break; + case '?': TIFFError ("For valid options type", "tiffcrop -h"); + exit (-1); + /*NOTREACHED*/ + } + } + } /* end process_command_opts */ + +/* Start a new output file if one has not been previously opened or + * autoindex is set to non-zero. Update page and file counters + * so TIFFTAG PAGENUM will be correct in image. + */ +static int +update_output_file (TIFF **tiffout, char *mode, int autoindex, + char *outname, unsigned int *page) + { + static int findex = 0; /* file sequence indicator */ + char *sep; + char filenum[16]; + char export_ext[16]; + char exportname[PATH_MAX]; + + if (autoindex && (*tiffout != NULL)) + { + /* Close any export file that was previously opened */ + TIFFClose (*tiffout); + *tiffout = NULL; + } + + strcpy (export_ext, ".tiff"); + memset (exportname, '\0', PATH_MAX); + + /* Leave room for page number portion of the new filename */ + strncpy (exportname, outname, PATH_MAX - 16); + if (*tiffout == NULL) /* This is a new export file */ + { + if (autoindex) + { /* create a new filename for each export */ + findex++; + if ((sep = strstr(exportname, ".tif")) || (sep = strstr(exportname, ".TIF"))) + { + strncpy (export_ext, sep, 5); + *sep = '\0'; + } + else + strncpy (export_ext, ".tiff", 5); + export_ext[5] = '\0'; + + /* MAX_EXPORT_PAGES limited to 6 digits to prevent string overflow of pathname */ + if (findex > MAX_EXPORT_PAGES) + { + TIFFError("update_output_file", "Maximum of %d pages per file exceeded", MAX_EXPORT_PAGES); + return 1; + } + + snprintf(filenum, sizeof(filenum), "-%03d%s", findex, export_ext); + filenum[14] = '\0'; + strncat (exportname, filenum, 15); + } + exportname[PATH_MAX - 1] = '\0'; + + *tiffout = TIFFOpen(exportname, mode); + if (*tiffout == NULL) + { + TIFFError("update_output_file", "Unable to open output file %s", exportname); + return 1; + } + *page = 0; + + return 0; + } + else + (*page)++; + + return 0; + } /* end update_output_file */ + + +int +main(int argc, char* argv[]) + { + extern int optind; + uint16 defconfig = (uint16) -1; + uint16 deffillorder = 0; + uint32 deftilewidth = (uint32) 0; + uint32 deftilelength = (uint32) 0; + uint32 defrowsperstrip = (uint32) 0; + uint32 dirnum = 0; + + TIFF *in = NULL; + TIFF *out = NULL; + char mode[10]; + char *mp = mode; + + /** RJN additions **/ + struct image_data image; /* Image parameters for one image */ + struct crop_mask crop; /* Cropping parameters for all images */ + struct pagedef page; /* Page definition for output pages */ + struct pageseg sections[MAX_SECTIONS]; /* Sections of one output page */ + struct buffinfo seg_buffs[MAX_SECTIONS]; /* Segment buffer sizes and pointers */ + struct dump_opts dump; /* Data dump options */ + unsigned char *read_buff = NULL; /* Input image data buffer */ + unsigned char *crop_buff = NULL; /* Crop area buffer */ + unsigned char *sect_buff = NULL; /* Image section buffer */ + unsigned char *sect_src = NULL; /* Image section buffer pointer */ + unsigned int imagelist[MAX_IMAGES + 1]; /* individually specified images */ + unsigned int image_count = 0; + unsigned int dump_images = 0; + unsigned int next_image = 0; + unsigned int next_page = 0; + unsigned int total_pages = 0; + unsigned int total_images = 0; + unsigned int end_of_input = FALSE; + int seg, length; + char temp_filename[PATH_MAX + 1]; + + little_endian = *((unsigned char *)&little_endian) & '1'; + + initImageData(&image); + initCropMasks(&crop); + initPageSetup(&page, sections, seg_buffs); + initDumpOptions(&dump); + + process_command_opts (argc, argv, mp, mode, &dirnum, &defconfig, + &deffillorder, &deftilewidth, &deftilelength, &defrowsperstrip, + &crop, &page, &dump, imagelist, &image_count); + + if (argc - optind < 2) + usage(); + + if ((argc - optind) == 2) + pageNum = -1; + else + total_images = 0; + /* read multiple input files and write to output file(s) */ + while (optind < argc - 1) + { + in = TIFFOpen (argv[optind], "r"); + if (in == NULL) + return (-3); + + /* If only one input file is specified, we can use directory count */ + total_images = TIFFNumberOfDirectories(in); + if (image_count == 0) + { + dirnum = 0; + total_pages = total_images; /* Only valid with single input file */ + } + else + { + dirnum = (tdir_t)(imagelist[next_image] - 1); + next_image++; + + /* Total pages only valid for enumerated list of pages not derived + * using odd, even, or last keywords. + */ + if (image_count > total_images) + image_count = total_images; + + total_pages = image_count; + } + + /* MAX_IMAGES is used for special case "last" in selection list */ + if (dirnum == (MAX_IMAGES - 1)) + dirnum = total_images - 1; + + if (dirnum > (total_images)) + { + TIFFError (TIFFFileName(in), + "Invalid image number %d, File contains only %d images", + (int)dirnum + 1, total_images); + if (out != NULL) + (void) TIFFClose(out); + return (1); + } + + if (dirnum != 0 && !TIFFSetDirectory(in, (tdir_t)dirnum)) + { + TIFFError(TIFFFileName(in),"Error, setting subdirectory at %d", dirnum); + if (out != NULL) + (void) TIFFClose(out); + return (1); + } + + end_of_input = FALSE; + while (end_of_input == FALSE) + { + config = defconfig; + compression = defcompression; + predictor = defpredictor; + fillorder = deffillorder; + rowsperstrip = defrowsperstrip; + tilewidth = deftilewidth; + tilelength = deftilelength; + g3opts = defg3opts; + + if (dump.format != DUMP_NONE) + { + /* manage input and/or output dump files here */ + dump_images++; + length = strlen(dump.infilename); + if (length > 0) + { + if (dump.infile != NULL) + fclose (dump.infile); + + /* dump.infilename is guaranteed to be NUL termimated and have 20 bytes + fewer than PATH_MAX */ + snprintf(temp_filename, sizeof(temp_filename), "%s-read-%03d.%s", + dump.infilename, dump_images, + (dump.format == DUMP_TEXT) ? "txt" : "raw"); + if ((dump.infile = fopen(temp_filename, dump.mode)) == NULL) + { + TIFFError ("Unable to open dump file for writing", "%s", temp_filename); + exit (-1); + } + dump_info(dump.infile, dump.format, "Reading image","%d from %s", + dump_images, TIFFFileName(in)); + } + length = strlen(dump.outfilename); + if (length > 0) + { + if (dump.outfile != NULL) + fclose (dump.outfile); + + /* dump.outfilename is guaranteed to be NUL termimated and have 20 bytes + fewer than PATH_MAX */ + snprintf(temp_filename, sizeof(temp_filename), "%s-write-%03d.%s", + dump.outfilename, dump_images, + (dump.format == DUMP_TEXT) ? "txt" : "raw"); + if ((dump.outfile = fopen(temp_filename, dump.mode)) == NULL) + { + TIFFError ("Unable to open dump file for writing", "%s", temp_filename); + exit (-1); + } + dump_info(dump.outfile, dump.format, "Writing image","%d from %s", + dump_images, TIFFFileName(in)); + } + } + + if (dump.debug) + TIFFError("main", "Reading image %4d of %4d total pages.", dirnum + 1, total_pages); + + if (loadImage(in, &image, &dump, &read_buff)) + { + TIFFError("main", "Unable to load source image"); + exit (-1); + } + + /* Correct the image orientation if it was not ORIENTATION_TOPLEFT. + */ + if (image.adjustments != 0) + { + if (correct_orientation(&image, &read_buff)) + TIFFError("main", "Unable to correct image orientation"); + } + + if (getCropOffsets(&image, &crop, &dump)) + { + TIFFError("main", "Unable to define crop regions"); + exit (-1); + } + + if (crop.selections > 0) + { + if (processCropSelections(&image, &crop, &read_buff, seg_buffs)) + { + TIFFError("main", "Unable to process image selections"); + exit (-1); + } + } + else /* Single image segment without zones or regions */ + { + if (createCroppedImage(&image, &crop, &read_buff, &crop_buff)) + { + TIFFError("main", "Unable to create output image"); + exit (-1); + } + } + if (page.mode == PAGE_MODE_NONE) + { /* Whole image or sections not based on output page size */ + if (crop.selections > 0) + { + writeSelections(in, &out, &crop, &image, &dump, seg_buffs, + mp, argv[argc - 1], &next_page, total_pages); + } + else /* One file all images and sections */ + { + if (update_output_file (&out, mp, crop.exp_mode, argv[argc - 1], + &next_page)) + exit (1); + if (writeCroppedImage(in, out, &image, &dump,crop.combined_width, + crop.combined_length, crop_buff, next_page, total_pages)) + { + TIFFError("main", "Unable to write new image"); + exit (-1); + } + } + } + else + { + /* If we used a crop buffer, our data is there, otherwise it is + * in the read_buffer + */ + if (crop_buff != NULL) + sect_src = crop_buff; + else + sect_src = read_buff; + /* Break input image into pages or rows and columns */ + if (computeOutputPixelOffsets(&crop, &image, &page, sections, &dump)) + { + TIFFError("main", "Unable to compute output section data"); + exit (-1); + } + /* If there are multiple files on the command line, the final one is assumed + * to be the output filename into which the images are written. + */ + if (update_output_file (&out, mp, crop.exp_mode, argv[argc - 1], &next_page)) + exit (1); + + if (writeImageSections(in, out, &image, &page, sections, &dump, sect_src, §_buff)) + { + TIFFError("main", "Unable to write image sections"); + exit (-1); + } + } + + /* No image list specified, just read the next image */ + if (image_count == 0) + dirnum++; + else + { + dirnum = (tdir_t)(imagelist[next_image] - 1); + next_image++; + } + + if (dirnum == MAX_IMAGES - 1) + dirnum = TIFFNumberOfDirectories(in) - 1; + + if (!TIFFSetDirectory(in, (tdir_t)dirnum)) + end_of_input = TRUE; + } + TIFFClose(in); + optind++; + } + + /* If we did not use the read buffer as the crop buffer */ + if (read_buff) + _TIFFfree(read_buff); + + if (crop_buff) + _TIFFfree(crop_buff); + + if (sect_buff) + _TIFFfree(sect_buff); + + /* Clean up any segment buffers used for zones or regions */ + for (seg = 0; seg < crop.selections; seg++) + _TIFFfree (seg_buffs[seg].buffer); + + if (dump.format != DUMP_NONE) + { + if (dump.infile != NULL) + fclose (dump.infile); + + if (dump.outfile != NULL) + { + dump_info (dump.outfile, dump.format, "", "Completed run for %s", TIFFFileName(out)); + fclose (dump.outfile); + } + } + + TIFFClose(out); + + return (0); + } /* end main */ + + +/* Debugging functions */ +static int dump_data (FILE *dumpfile, int format, char *dump_tag, unsigned char *data, uint32 count) + { + int j, k; + uint32 i; + char dump_array[10]; + unsigned char bitset; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + if (format == DUMP_TEXT) + { + fprintf (dumpfile," %s ", dump_tag); + for (i = 0; i < count; i++) + { + for (j = 0, k = 7; j < 8; j++, k--) + { + bitset = (*(data + i)) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&dump_array[j], (bitset) ? "1" : "0"); + } + dump_array[8] = '\0'; + fprintf (dumpfile," %s", dump_array); + } + fprintf (dumpfile,"\n"); + } + else + { + if ((fwrite (data, 1, count, dumpfile)) != count) + { + TIFFError ("", "Unable to write binary data to dump file"); + return (1); + } + } + + return (0); + } + +static int dump_byte (FILE *dumpfile, int format, char *dump_tag, unsigned char data) + { + int j, k; + char dump_array[10]; + unsigned char bitset; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + if (format == DUMP_TEXT) + { + fprintf (dumpfile," %s ", dump_tag); + for (j = 0, k = 7; j < 8; j++, k--) + { + bitset = data & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&dump_array[j], (bitset) ? "1" : "0"); + } + dump_array[8] = '\0'; + fprintf (dumpfile," %s\n", dump_array); + } + else + { + if ((fwrite (&data, 1, 1, dumpfile)) != 1) + { + TIFFError ("", "Unable to write binary data to dump file"); + return (1); + } + } + + return (0); + } + +static int dump_short (FILE *dumpfile, int format, char *dump_tag, uint16 data) + { + int j, k; + char dump_array[20]; + unsigned char bitset; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + if (format == DUMP_TEXT) + { + fprintf (dumpfile," %s ", dump_tag); + for (j = 0, k = 15; k >= 0; j++, k--) + { + bitset = data & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&dump_array[j], (bitset) ? "1" : "0"); + if ((k % 8) == 0) + sprintf(&dump_array[++j], " "); + } + dump_array[17] = '\0'; + fprintf (dumpfile," %s\n", dump_array); + } + else + { + if ((fwrite (&data, 2, 1, dumpfile)) != 2) + { + TIFFError ("", "Unable to write binary data to dump file"); + return (1); + } + } + + return (0); + } + +static int dump_long (FILE *dumpfile, int format, char *dump_tag, uint32 data) + { + int j, k; + char dump_array[40]; + unsigned char bitset; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + if (format == DUMP_TEXT) + { + fprintf (dumpfile," %s ", dump_tag); + for (j = 0, k = 31; k >= 0; j++, k--) + { + bitset = data & (((uint32)1 << k)) ? 1 : 0; + sprintf(&dump_array[j], (bitset) ? "1" : "0"); + if ((k % 8) == 0) + sprintf(&dump_array[++j], " "); + } + dump_array[35] = '\0'; + fprintf (dumpfile," %s\n", dump_array); + } + else + { + if ((fwrite (&data, 4, 1, dumpfile)) != 4) + { + TIFFError ("", "Unable to write binary data to dump file"); + return (1); + } + } + return (0); + } + +static int dump_wide (FILE *dumpfile, int format, char *dump_tag, uint64 data) + { + int j, k; + char dump_array[80]; + unsigned char bitset; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + if (format == DUMP_TEXT) + { + fprintf (dumpfile," %s ", dump_tag); + for (j = 0, k = 63; k >= 0; j++, k--) + { + bitset = data & (((uint64)1 << k)) ? 1 : 0; + sprintf(&dump_array[j], (bitset) ? "1" : "0"); + if ((k % 8) == 0) + sprintf(&dump_array[++j], " "); + } + dump_array[71] = '\0'; + fprintf (dumpfile," %s\n", dump_array); + } + else + { + if ((fwrite (&data, 8, 1, dumpfile)) != 8) + { + TIFFError ("", "Unable to write binary data to dump file"); + return (1); + } + } + + return (0); + } + +static void dump_info(FILE *dumpfile, int format, char *prefix, char *msg, ...) + { + if (format == DUMP_TEXT) + { + va_list ap; + va_start(ap, msg); + fprintf(dumpfile, "%s ", prefix); + vfprintf(dumpfile, msg, ap); + fprintf(dumpfile, "\n"); + va_end(ap); + } + } + +static int dump_buffer (FILE* dumpfile, int format, uint32 rows, uint32 width, + uint32 row, unsigned char *buff) + { + int j, k; + uint32 i; + unsigned char * dump_ptr; + + if (dumpfile == NULL) + { + TIFFError ("", "Invalid FILE pointer for dump file"); + return (1); + } + + for (i = 0; i < rows; i++) + { + dump_ptr = buff + (i * width); + if (format == DUMP_TEXT) + dump_info (dumpfile, format, "", + "Row %4d, %d bytes at offset %d", + row + i + 1, width, row * width); + + for (j = 0, k = width; k >= 10; j += 10, k -= 10, dump_ptr += 10) + dump_data (dumpfile, format, "", dump_ptr, 10); + if (k > 0) + dump_data (dumpfile, format, "", dump_ptr, k); + } + return (0); + } + +/* Extract one or more samples from an interleaved buffer. If count == 1, + * only the sample plane indicated by sample will be extracted. If count > 1, + * count samples beginning at sample will be extracted. Portions of a + * scanline can be extracted by specifying a start and end value. + */ + +static int +extractContigSamplesBytes (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end) + { + int i, bytes_per_sample, sindex; + uint32 col, dst_rowsize, bit_offset; + uint32 src_byte /*, src_bit */; + uint8 *src = in; + uint8 *dst = out; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("extractContigSamplesBytes","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamplesBytes", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamplesBytes", + "Invalid end column value %d ignored", end); + end = cols; + } + + dst_rowsize = (bps * (end - start) * count) / 8; + + bytes_per_sample = (bps + 7) / 8; + /* Optimize case for copying all samples */ + if (count == spp) + { + src = in + (start * spp * bytes_per_sample); + _TIFFmemcpy (dst, src, dst_rowsize); + } + else + { + for (col = start; col < end; col++) + { + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + bit_offset = col * bps * spp; + if (sindex == 0) + { + src_byte = bit_offset / 8; + /* src_bit = bit_offset % 8; */ + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + /* src_bit = (bit_offset + (sindex * bps)) % 8; */ + } + src = in + src_byte; + for (i = 0; i < bytes_per_sample; i++) + *dst++ = *src++; + } + } + } + + return (0); + } /* end extractContigSamplesBytes */ + +static int +extractContigSamples8bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint8 maskbits = 0, matchbits = 0; + uint8 buff1 = 0, buff2 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("extractContigSamples8bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamples8bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamples8bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = 0; + maskbits = (uint8)-1 >> ( 8 - bps); + buff1 = buff2 = 0; + for (col = start; col < end; col++) + { /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (8 - src_bit - bps); + buff1 = ((*src) & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + *dst++ = buff2; + buff2 = buff1; + ready_bits -= 8; + } + else + buff2 = (buff2 | (buff1 >> ready_bits)); + ready_bits += bps; + } + } + + while (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamples8bits */ + +static int +extractContigSamples16bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint16 maskbits = 0, matchbits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("extractContigSamples16bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamples16bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamples16bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = 0; + maskbits = (uint16)-1 >> (16 - bps); + + for (col = start; col < end; col++) + { /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (16 - src_bit - bps); + + if (little_endian) + buff1 = (src[0] << 8) | src[1]; + else + buff1 = (src[1] << 8) | src[0]; + + buff1 = (buff1 & matchbits) << (src_bit); + if (ready_bits < 8) /* add another bps bits to the buffer */ + { + bytebuff = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamples16bits */ + + +static int +extractContigSamples24bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint32 maskbits = 0, matchbits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((in == NULL) || (out == NULL)) + { + TIFFError("extractContigSamples24bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamples24bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamples24bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = 0; + maskbits = (uint32)-1 >> ( 32 - bps); + for (col = start; col < end; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (32 - src_bit - bps); + if (little_endian) + buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + else + buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + buff1 = (buff1 & matchbits) << (src_bit); + + if (ready_bits < 16) /* add another bps bits to the buffer */ + { + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamples24bits */ + +static int +extractContigSamples32bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end) + { + int ready_bits = 0, sindex = 0 /*, shift_width = 0 */; + uint32 col, src_byte, src_bit, bit_offset; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 maskbits = 0, matchbits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((in == NULL) || (out == NULL)) + { + TIFFError("extractContigSamples32bits","Invalid input or output buffer"); + return (1); + } + + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamples32bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamples32bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + /* shift_width = ((bps + 7) / 8) + 1; */ + ready_bits = 0; + maskbits = (uint64)-1 >> ( 64 - bps); + for (col = start; col < end; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (64 - src_bit - bps); + if (little_endian) + { + longbuff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + longbuff2 = longbuff1; + } + + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + buff1 = (buff3 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 32) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamples32bits */ + +static int +extractContigSamplesShifted8bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end, + int shift) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint8 maskbits = 0, matchbits = 0; + uint8 buff1 = 0, buff2 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("extractContigSamplesShifted8bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamplesShifted8bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamplesShifted8bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = shift; + maskbits = (uint8)-1 >> ( 8 - bps); + buff1 = buff2 = 0; + for (col = start; col < end; col++) + { /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (8 - src_bit - bps); + buff1 = ((*src) & matchbits) << (src_bit); + if ((col == start) && (sindex == sample)) + buff2 = *src & ((uint8)-1) << (shift); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + *dst++ |= buff2; + buff2 = buff1; + ready_bits -= 8; + } + else + buff2 = buff2 | (buff1 >> ready_bits); + ready_bits += bps; + } + } + + while (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamplesShifted8bits */ + +static int +extractContigSamplesShifted16bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end, + int shift) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint16 maskbits = 0, matchbits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("extractContigSamplesShifted16bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamplesShifted16bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamplesShifted16bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = shift; + maskbits = (uint16)-1 >> (16 - bps); + for (col = start; col < end; col++) + { /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (16 - src_bit - bps); + if (little_endian) + buff1 = (src[0] << 8) | src[1]; + else + buff1 = (src[1] << 8) | src[0]; + + if ((col == start) && (sindex == sample)) + buff2 = buff1 & ((uint16)-1) << (8 - shift); + + buff1 = (buff1 & matchbits) << (src_bit); + + if (ready_bits < 8) /* add another bps bits to the buffer */ + buff2 = buff2 | (buff1 >> ready_bits); + else /* If we have a full buffer's worth, write it out */ + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + } + + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamplesShifted16bits */ + + +static int +extractContigSamplesShifted24bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end, + int shift) + { + int ready_bits = 0, sindex = 0; + uint32 col, src_byte, src_bit, bit_offset; + uint32 maskbits = 0, matchbits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((in == NULL) || (out == NULL)) + { + TIFFError("extractContigSamplesShifted24bits","Invalid input or output buffer"); + return (1); + } + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamplesShifted24bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamplesShifted24bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + ready_bits = shift; + maskbits = (uint32)-1 >> ( 32 - bps); + for (col = start; col < end; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (32 - src_bit - bps); + if (little_endian) + buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + else + buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + + if ((col == start) && (sindex == sample)) + buff2 = buff1 & ((uint32)-1) << (16 - shift); + + buff1 = (buff1 & matchbits) << (src_bit); + + if (ready_bits < 16) /* add another bps bits to the buffer */ + { + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamplesShifted24bits */ + +static int +extractContigSamplesShifted32bits (uint8 *in, uint8 *out, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + tsample_t count, uint32 start, uint32 end, + int shift) + { + int ready_bits = 0, sindex = 0 /*, shift_width = 0 */; + uint32 col, src_byte, src_bit, bit_offset; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 maskbits = 0, matchbits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + uint8 *src = in; + uint8 *dst = out; + + if ((in == NULL) || (out == NULL)) + { + TIFFError("extractContigSamplesShifted32bits","Invalid input or output buffer"); + return (1); + } + + + if ((start > end) || (start > cols)) + { + TIFFError ("extractContigSamplesShifted32bits", + "Invalid start column value %d ignored", start); + start = 0; + } + if ((end == 0) || (end > cols)) + { + TIFFError ("extractContigSamplesShifted32bits", + "Invalid end column value %d ignored", end); + end = cols; + } + + /* shift_width = ((bps + 7) / 8) + 1; */ + ready_bits = shift; + maskbits = (uint64)-1 >> ( 64 - bps); + for (col = start; col < end; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps * spp; + for (sindex = sample; (sindex < spp) && (sindex < (sample + count)); sindex++) + { + if (sindex == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sindex * bps)) / 8; + src_bit = (bit_offset + (sindex * bps)) % 8; + } + + src = in + src_byte; + matchbits = maskbits << (64 - src_bit - bps); + if (little_endian) + { + longbuff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + longbuff2 = longbuff1; + } + + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + if ((col == start) && (sindex == sample)) + buff2 = buff3 & ((uint64)-1) << (32 - shift); + + buff1 = (buff3 & matchbits) << (src_bit); + + if (ready_bits < 32) + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + return (0); + } /* end extractContigSamplesShifted32bits */ + +static int +extractContigSamplesToBuffer(uint8 *out, uint8 *in, uint32 rows, uint32 cols, + tsample_t sample, uint16 spp, uint16 bps, + struct dump_opts *dump) + { + int shift_width, bytes_per_sample, bytes_per_pixel; + uint32 src_rowsize, src_offset, row, first_col = 0; + uint32 dst_rowsize, dst_offset; + tsample_t count = 1; + uint8 *src, *dst; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if ((bps % 8) == 0) + shift_width = 0; + else + { + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + } + src_rowsize = ((bps * spp * cols) + 7) / 8; + dst_rowsize = ((bps * cols) + 7) / 8; + + if ((dump->outfile != NULL) && (dump->level == 4)) + { + dump_info (dump->outfile, dump->format, "extractContigSamplesToBuffer", + "Sample %d, %d rows", sample + 1, rows + 1); + } + for (row = 0; row < rows; row++) + { + src_offset = row * src_rowsize; + dst_offset = row * dst_rowsize; + src = in + src_offset; + dst = out + dst_offset; + + /* pack the data into the scanline */ + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, cols, sample, + spp, bps, count, first_col, cols)) + return (1); + break; + case 1: if (bps == 1) + { + if (extractContigSamples8bits (src, dst, cols, sample, + spp, bps, count, first_col, cols)) + return (1); + break; + } + else + if (extractContigSamples16bits (src, dst, cols, sample, + spp, bps, count, first_col, cols)) + return (1); + break; + case 2: if (extractContigSamples24bits (src, dst, cols, sample, + spp, bps, count, first_col, cols)) + return (1); + break; + case 3: + case 4: + case 5: if (extractContigSamples32bits (src, dst, cols, sample, + spp, bps, count, first_col, cols)) + return (1); + break; + default: TIFFError ("extractContigSamplesToBuffer", "Unsupported bit depth: %d", bps); + return (1); + } + if ((dump->outfile != NULL) && (dump->level == 4)) + dump_buffer(dump->outfile, dump->format, 1, dst_rowsize, row, dst); + } + + return (0); + } /* end extractContigSamplesToBuffer */ + +static int +extractContigSamplesToTileBuffer(uint8 *out, uint8 *in, uint32 rows, uint32 cols, + uint32 imagewidth, uint32 tilewidth, tsample_t sample, + uint16 count, uint16 spp, uint16 bps, struct dump_opts *dump) + { + int shift_width, bytes_per_sample, bytes_per_pixel; + uint32 src_rowsize, src_offset, row; + uint32 dst_rowsize, dst_offset; + uint8 *src, *dst; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if ((bps % 8) == 0) + shift_width = 0; + else + { + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + } + + if ((dump->outfile != NULL) && (dump->level == 4)) + { + dump_info (dump->outfile, dump->format, "extractContigSamplesToTileBuffer", + "Sample %d, %d rows", sample + 1, rows + 1); + } + + src_rowsize = ((bps * spp * imagewidth) + 7) / 8; + dst_rowsize = ((bps * tilewidth * count) + 7) / 8; + + for (row = 0; row < rows; row++) + { + src_offset = row * src_rowsize; + dst_offset = row * dst_rowsize; + src = in + src_offset; + dst = out + dst_offset; + + /* pack the data into the scanline */ + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, cols, sample, + spp, bps, count, 0, cols)) + return (1); + break; + case 1: if (bps == 1) + { + if (extractContigSamples8bits (src, dst, cols, sample, + spp, bps, count, 0, cols)) + return (1); + break; + } + else + if (extractContigSamples16bits (src, dst, cols, sample, + spp, bps, count, 0, cols)) + return (1); + break; + case 2: if (extractContigSamples24bits (src, dst, cols, sample, + spp, bps, count, 0, cols)) + return (1); + break; + case 3: + case 4: + case 5: if (extractContigSamples32bits (src, dst, cols, sample, + spp, bps, count, 0, cols)) + return (1); + break; + default: TIFFError ("extractContigSamplesToTileBuffer", "Unsupported bit depth: %d", bps); + return (1); + } + if ((dump->outfile != NULL) && (dump->level == 4)) + dump_buffer(dump->outfile, dump->format, 1, dst_rowsize, row, dst); + } + + return (0); + } /* end extractContigSamplesToTileBuffer */ + +static int readContigStripsIntoBuffer (TIFF* in, uint8* buf) + { + uint8* bufp = buf; + int32 bytes_read = 0; + uint16 strip, nstrips = TIFFNumberOfStrips(in); + uint32 stripsize = TIFFStripSize(in); + uint32 rows = 0; + uint32 rps = TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rps); + tsize_t scanline_size = TIFFScanlineSize(in); + + for (strip = 0; strip < nstrips; strip++) + { + bytes_read = TIFFReadEncodedStrip (in, strip, bufp, -1); + rows = bytes_read / scanline_size; + if ((strip < (nstrips - 1)) && (bytes_read != (int32)stripsize)) + TIFFError("", "Strip %d: read %lu bytes, strip size %lu", + (int)strip + 1, (unsigned long) bytes_read, (unsigned long)stripsize); + + if (bytes_read < 0 && !ignore) + { + TIFFError("", "Error reading strip %lu after %lu rows", + (unsigned long) strip, (unsigned long)rows); + return 0; + } + bufp += bytes_read; + } + + return 1; + } /* end readContigStripsIntoBuffer */ + +static int +combineSeparateSamplesBytes (unsigned char *srcbuffs[], unsigned char *out, + uint32 cols, uint32 rows, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int i, bytes_per_sample; + uint32 row, col, col_offset, src_rowsize, dst_rowsize, row_offset; + unsigned char *src; + unsigned char *dst; + tsample_t s; + + src = srcbuffs[0]; + dst = out; + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateSamplesBytes","Invalid buffer address"); + return (1); + } + + bytes_per_sample = (bps + 7) / 8; + + src_rowsize = ((bps * cols) + 7) / 8; + dst_rowsize = ((bps * spp * cols) + 7) / 8; + for (row = 0; row < rows; row++) + { + if ((dumpfile != NULL) && (level == 2)) + { + for (s = 0; s < spp; s++) + { + dump_info (dumpfile, format, "combineSeparateSamplesBytes","Input data, Sample %d", s); + dump_buffer(dumpfile, format, 1, cols, row, srcbuffs[s] + (row * src_rowsize)); + } + } + dst = out + (row * dst_rowsize); + row_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + col_offset = row_offset + (col * (bps / 8)); + for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++) + { + src = srcbuffs[s] + col_offset; + for (i = 0; i < bytes_per_sample; i++) + *(dst + i) = *(src + i); + src += bytes_per_sample; + dst += bytes_per_sample; + } + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateSamplesBytes","Output data, combined samples"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateSamplesBytes */ + +static int +combineSeparateSamples8bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0; + /* int bytes_per_sample = 0; */ + uint32 src_rowsize, dst_rowsize, src_offset; + uint32 bit_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint8 maskbits = 0, matchbits = 0; + uint8 buff1 = 0, buff2 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[32]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateSamples8bits","Invalid input or output buffer"); + return (1); + } + + /* bytes_per_sample = (bps + 7) / 8; */ + src_rowsize = ((bps * cols) + 7) / 8; + dst_rowsize = ((bps * cols * spp) + 7) / 8; + maskbits = (uint8)-1 >> ( 8 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (8 - src_bit - bps); + /* load up next sample from each plane */ + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + buff1 = ((*src) & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + *dst++ = buff2; + buff2 = buff1; + ready_bits -= 8; + strcpy (action, "Flush"); + } + else + { + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Match bits", matchbits); + dump_byte (dumpfile, format, "Src bits", *src); + dump_byte (dumpfile, format, "Buff1 bits", buff1); + dump_byte (dumpfile, format, "Buff2 bits", buff2); + dump_info (dumpfile, format, "","%s", action); + } + } + } + + if (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Final bits", buff1); + } + } + + if ((dumpfile != NULL) && (level >= 2)) + { + dump_info (dumpfile, format, "combineSeparateSamples8bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateSamples8bits */ + +static int +combineSeparateSamples16bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0 /*, bytes_per_sample = 0 */; + uint32 src_rowsize, dst_rowsize; + uint32 bit_offset, src_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint16 maskbits = 0, matchbits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateSamples16bits","Invalid input or output buffer"); + return (1); + } + + /* bytes_per_sample = (bps + 7) / 8; */ + src_rowsize = ((bps * cols) + 7) / 8; + dst_rowsize = ((bps * cols * spp) + 7) / 8; + maskbits = (uint16)-1 >> (16 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (16 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + buff1 = (src[0] << 8) | src[1]; + else + buff1 = (src[1] << 8) | src[0]; + + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + + dump_short (dumpfile, format, "Match bits", matchbits); + dump_data (dumpfile, format, "Src bits", src, 2); + dump_short (dumpfile, format, "Buff1 bits", buff1); + dump_short (dumpfile, format, "Buff2 bits", buff2); + dump_byte (dumpfile, format, "Write byte", bytebuff); + dump_info (dumpfile, format, "","Ready bits: %d, %s", ready_bits, action); + } + } + } + + /* catch any trailing bits at the end of the line */ + if (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Final bits", bytebuff); + } + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateSamples16bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateSamples16bits */ + +static int +combineSeparateSamples24bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0 /*, bytes_per_sample = 0 */; + uint32 src_rowsize, dst_rowsize; + uint32 bit_offset, src_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint32 maskbits = 0, matchbits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateSamples24bits","Invalid input or output buffer"); + return (1); + } + + /* bytes_per_sample = (bps + 7) / 8; */ + src_rowsize = ((bps * cols) + 7) / 8; + dst_rowsize = ((bps * cols * spp) + 7) / 8; + maskbits = (uint32)-1 >> ( 32 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (32 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + else + buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 16) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "","Ready bits: %d, %s", ready_bits, action); + } + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "", "Ready bits: %2d", ready_bits); + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateSamples24bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateSamples24bits */ + +static int +combineSeparateSamples32bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0 /*, bytes_per_sample = 0, shift_width = 0 */; + uint32 src_rowsize, dst_rowsize, bit_offset, src_offset; + uint32 src_byte = 0, src_bit = 0; + uint32 row, col; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 maskbits = 0, matchbits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateSamples32bits","Invalid input or output buffer"); + return (1); + } + + /* bytes_per_sample = (bps + 7) / 8; */ + src_rowsize = ((bps * cols) + 7) / 8; + dst_rowsize = ((bps * cols * spp) + 7) / 8; + maskbits = (uint64)-1 >> ( 64 - bps); + /* shift_width = ((bps + 7) / 8) + 1; */ + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (64 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + { + longbuff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + longbuff2 = longbuff1; + } + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + buff1 = (buff3 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 32) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Sample %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_wide (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 8); + dump_wide (dumpfile, format, "Buff1 bits ", buff1); + dump_wide (dumpfile, format, "Buff2 bits ", buff2); + dump_info (dumpfile, format, "", "Ready bits: %d, %s", ready_bits, action); + } + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "", "Ready bits: %2d", ready_bits); + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateSamples32bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out); + } + } + + return (0); + } /* end combineSeparateSamples32bits */ + +static int +combineSeparateTileSamplesBytes (unsigned char *srcbuffs[], unsigned char *out, + uint32 cols, uint32 rows, uint32 imagewidth, + uint32 tw, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int i, bytes_per_sample; + uint32 row, col, col_offset, src_rowsize, dst_rowsize, src_offset; + unsigned char *src; + unsigned char *dst; + tsample_t s; + + src = srcbuffs[0]; + dst = out; + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateTileSamplesBytes","Invalid buffer address"); + return (1); + } + + bytes_per_sample = (bps + 7) / 8; + src_rowsize = ((bps * tw) + 7) / 8; + dst_rowsize = imagewidth * bytes_per_sample * spp; + for (row = 0; row < rows; row++) + { + if ((dumpfile != NULL) && (level == 2)) + { + for (s = 0; s < spp; s++) + { + dump_info (dumpfile, format, "combineSeparateTileSamplesBytes","Input data, Sample %d", s); + dump_buffer(dumpfile, format, 1, cols, row, srcbuffs[s] + (row * src_rowsize)); + } + } + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; +#ifdef DEVELMODE + TIFFError("","Tile row %4d, Src offset %6d Dst offset %6d", + row, src_offset, dst - out); +#endif + for (col = 0; col < cols; col++) + { + col_offset = src_offset + (col * (bps / 8)); + for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++) + { + src = srcbuffs[s] + col_offset; + for (i = 0; i < bytes_per_sample; i++) + *(dst + i) = *(src + i); + dst += bytes_per_sample; + } + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateTileSamplesBytes","Output data, combined samples"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateTileSamplesBytes */ + +static int +combineSeparateTileSamples8bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint32 imagewidth, + uint32 tw, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0; + uint32 src_rowsize, dst_rowsize, src_offset; + uint32 bit_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint8 maskbits = 0, matchbits = 0; + uint8 buff1 = 0, buff2 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[32]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateTileSamples8bits","Invalid input or output buffer"); + return (1); + } + + src_rowsize = ((bps * tw) + 7) / 8; + dst_rowsize = ((imagewidth * bps * spp) + 7) / 8; + maskbits = (uint8)-1 >> ( 8 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (8 - src_bit - bps); + /* load up next sample from each plane */ + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + buff1 = ((*src) & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + *dst++ = buff2; + buff2 = buff1; + ready_bits -= 8; + strcpy (action, "Flush"); + } + else + { + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Match bits", matchbits); + dump_byte (dumpfile, format, "Src bits", *src); + dump_byte (dumpfile, format, "Buff1 bits", buff1); + dump_byte (dumpfile, format, "Buff2 bits", buff2); + dump_info (dumpfile, format, "","%s", action); + } + } + } + + if (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Final bits", buff1); + } + } + + if ((dumpfile != NULL) && (level >= 2)) + { + dump_info (dumpfile, format, "combineSeparateTileSamples8bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateTileSamples8bits */ + +static int +combineSeparateTileSamples16bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint32 imagewidth, + uint32 tw, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0; + uint32 src_rowsize, dst_rowsize; + uint32 bit_offset, src_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint16 maskbits = 0, matchbits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateTileSamples16bits","Invalid input or output buffer"); + return (1); + } + + src_rowsize = ((bps * tw) + 7) / 8; + dst_rowsize = ((imagewidth * bps * spp) + 7) / 8; + maskbits = (uint16)-1 >> (16 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (16 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + buff1 = (src[0] << 8) | src[1]; + else + buff1 = (src[1] << 8) | src[0]; + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + + dump_short (dumpfile, format, "Match bits", matchbits); + dump_data (dumpfile, format, "Src bits", src, 2); + dump_short (dumpfile, format, "Buff1 bits", buff1); + dump_short (dumpfile, format, "Buff2 bits", buff2); + dump_byte (dumpfile, format, "Write byte", bytebuff); + dump_info (dumpfile, format, "","Ready bits: %d, %s", ready_bits, action); + } + } + } + + /* catch any trailing bits at the end of the line */ + if (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + dump_byte (dumpfile, format, "Final bits", bytebuff); + } + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateTileSamples16bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateTileSamples16bits */ + +static int +combineSeparateTileSamples24bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint32 imagewidth, + uint32 tw, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0; + uint32 src_rowsize, dst_rowsize; + uint32 bit_offset, src_offset; + uint32 row, col, src_byte = 0, src_bit = 0; + uint32 maskbits = 0, matchbits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateTileSamples24bits","Invalid input or output buffer"); + return (1); + } + + src_rowsize = ((bps * tw) + 7) / 8; + dst_rowsize = ((imagewidth * bps * spp) + 7) / 8; + maskbits = (uint32)-1 >> ( 32 - bps); + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (32 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + else + buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 16) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Samples %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "","Ready bits: %d, %s", ready_bits, action); + } + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "", "Ready bits: %2d", ready_bits); + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateTileSamples24bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out + (row * dst_rowsize)); + } + } + + return (0); + } /* end combineSeparateTileSamples24bits */ + +static int +combineSeparateTileSamples32bits (uint8 *in[], uint8 *out, uint32 cols, + uint32 rows, uint32 imagewidth, + uint32 tw, uint16 spp, uint16 bps, + FILE *dumpfile, int format, int level) + { + int ready_bits = 0 /*, shift_width = 0 */; + uint32 src_rowsize, dst_rowsize, bit_offset, src_offset; + uint32 src_byte = 0, src_bit = 0; + uint32 row, col; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 maskbits = 0, matchbits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + tsample_t s; + unsigned char *src = in[0]; + unsigned char *dst = out; + char action[8]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("combineSeparateTileSamples32bits","Invalid input or output buffer"); + return (1); + } + + src_rowsize = ((bps * tw) + 7) / 8; + dst_rowsize = ((imagewidth * bps * spp) + 7) / 8; + maskbits = (uint64)-1 >> ( 64 - bps); + /* shift_width = ((bps + 7) / 8) + 1; */ + + for (row = 0; row < rows; row++) + { + ready_bits = 0; + buff1 = buff2 = 0; + dst = out + (row * dst_rowsize); + src_offset = row * src_rowsize; + for (col = 0; col < cols; col++) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = col * bps; + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + + matchbits = maskbits << (64 - src_bit - bps); + for (s = 0; s < spp; s++) + { + src = in[s] + src_offset + src_byte; + if (little_endian) + { + longbuff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + longbuff2 = longbuff1; + } + + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + buff1 = (buff3 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 32) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + strcpy (action, "Flush"); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + strcpy (action, "Update"); + } + ready_bits += bps; + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Sample %d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, s, src_byte, src_bit, dst - out); + dump_wide (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 8); + dump_wide (dumpfile, format, "Buff1 bits ", buff1); + dump_wide (dumpfile, format, "Buff2 bits ", buff2); + dump_info (dumpfile, format, "", "Ready bits: %d, %s", ready_bits, action); + } + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + if ((dumpfile != NULL) && (level == 3)) + { + dump_info (dumpfile, format, "", + "Row %3d, Col %3d, Src byte offset %3d bit offset %2d Dst offset %3d", + row + 1, col + 1, src_byte, src_bit, dst - out); + + dump_long (dumpfile, format, "Match bits ", matchbits); + dump_data (dumpfile, format, "Src bits ", src, 4); + dump_long (dumpfile, format, "Buff1 bits ", buff1); + dump_long (dumpfile, format, "Buff2 bits ", buff2); + dump_byte (dumpfile, format, "Write bits1", bytebuff1); + dump_byte (dumpfile, format, "Write bits2", bytebuff2); + dump_info (dumpfile, format, "", "Ready bits: %2d", ready_bits); + } + + if ((dumpfile != NULL) && (level == 2)) + { + dump_info (dumpfile, format, "combineSeparateTileSamples32bits","Output data"); + dump_buffer(dumpfile, format, 1, dst_rowsize, row, out); + } + } + + return (0); + } /* end combineSeparateTileSamples32bits */ + + +static int readSeparateStripsIntoBuffer (TIFF *in, uint8 *obuf, uint32 length, + uint32 width, uint16 spp, + struct dump_opts *dump) + { + int i, j, bytes_per_sample, bytes_per_pixel, shift_width, result = 1; + int32 bytes_read = 0; + uint16 bps, nstrips, planar, strips_per_sample; + uint32 src_rowsize, dst_rowsize, rows_processed, rps; + uint32 rows_this_strip = 0; + tsample_t s; + tstrip_t strip; + tsize_t scanlinesize = TIFFScanlineSize(in); + tsize_t stripsize = TIFFStripSize(in); + unsigned char *srcbuffs[MAX_SAMPLES]; + unsigned char *buff = NULL; + unsigned char *dst = NULL; + + if (obuf == NULL) + { + TIFFError("readSeparateStripsIntoBuffer","Invalid buffer argument"); + return (0); + } + + memset (srcbuffs, '\0', sizeof(srcbuffs)); + TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps); + TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &planar); + TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rps); + if (rps > length) + rps = length; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + + src_rowsize = ((bps * width) + 7) / 8; + dst_rowsize = ((bps * width * spp) + 7) / 8; + dst = obuf; + + if ((dump->infile != NULL) && (dump->level == 3)) + { + dump_info (dump->infile, dump->format, "", + "Image width %d, length %d, Scanline size, %4d bytes", + width, length, scanlinesize); + dump_info (dump->infile, dump->format, "", + "Bits per sample %d, Samples per pixel %d, Shift width %d", + bps, spp, shift_width); + } + + /* Libtiff seems to assume/require that data for separate planes are + * written one complete plane after another and not interleaved in any way. + * Multiple scanlines and possibly strips of the same plane must be + * written before data for any other plane. + */ + nstrips = TIFFNumberOfStrips(in); + strips_per_sample = nstrips /spp; + + for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++) + { + srcbuffs[s] = NULL; + buff = _TIFFmalloc(stripsize); + if (!buff) + { + TIFFError ("readSeparateStripsIntoBuffer", + "Unable to allocate strip read buffer for sample %d", s); + for (i = 0; i < s; i++) + _TIFFfree (srcbuffs[i]); + return 0; + } + srcbuffs[s] = buff; + } + + rows_processed = 0; + for (j = 0; (j < strips_per_sample) && (result == 1); j++) + { + for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++) + { + buff = srcbuffs[s]; + strip = (s * strips_per_sample) + j; + bytes_read = TIFFReadEncodedStrip (in, strip, buff, stripsize); + rows_this_strip = bytes_read / src_rowsize; + if (bytes_read < 0 && !ignore) + { + TIFFError(TIFFFileName(in), + "Error, can't read strip %lu for sample %d", + (unsigned long) strip, s + 1); + result = 0; + break; + } +#ifdef DEVELMODE + TIFFError("", "Strip %2d, read %5d bytes for %4d scanlines, shift width %d", + strip, bytes_read, rows_this_strip, shift_width); +#endif + } + + if (rps > rows_this_strip) + rps = rows_this_strip; + dst = obuf + (dst_rowsize * rows_processed); + if ((bps % 8) == 0) + { + if (combineSeparateSamplesBytes (srcbuffs, dst, width, rps, + spp, bps, dump->infile, + dump->format, dump->level)) + { + result = 0; + break; + } + } + else + { + switch (shift_width) + { + case 1: if (combineSeparateSamples8bits (srcbuffs, dst, width, rps, + spp, bps, dump->infile, + dump->format, dump->level)) + { + result = 0; + break; + } + break; + case 2: if (combineSeparateSamples16bits (srcbuffs, dst, width, rps, + spp, bps, dump->infile, + dump->format, dump->level)) + { + result = 0; + break; + } + break; + case 3: if (combineSeparateSamples24bits (srcbuffs, dst, width, rps, + spp, bps, dump->infile, + dump->format, dump->level)) + { + result = 0; + break; + } + break; + case 4: + case 5: + case 6: + case 7: + case 8: if (combineSeparateSamples32bits (srcbuffs, dst, width, rps, + spp, bps, dump->infile, + dump->format, dump->level)) + { + result = 0; + break; + } + break; + default: TIFFError ("readSeparateStripsIntoBuffer", "Unsupported bit depth: %d", bps); + result = 0; + break; + } + } + + if ((rows_processed + rps) > length) + { + rows_processed = length; + rps = length - rows_processed; + } + else + rows_processed += rps; + } + + /* free any buffers allocated for each plane or scanline and + * any temporary buffers + */ + for (s = 0; (s < spp) && (s < MAX_SAMPLES); s++) + { + buff = srcbuffs[s]; + if (buff != NULL) + _TIFFfree(buff); + } + + return (result); + } /* end readSeparateStripsIntoBuffer */ + +static int +get_page_geometry (char *name, struct pagedef *page) + { + char *ptr; + int n; + + for (ptr = name; *ptr; ptr++) + *ptr = (char)tolower((int)*ptr); + + for (n = 0; n < MAX_PAPERNAMES; n++) + { + if (strcmp(name, PaperTable[n].name) == 0) + { + page->width = PaperTable[n].width; + page->length = PaperTable[n].length; + strncpy (page->name, PaperTable[n].name, 15); + page->name[15] = '\0'; + return (0); + } + } + + return (1); + } + + +static void +initPageSetup (struct pagedef *page, struct pageseg *pagelist, + struct buffinfo seg_buffs[]) + { + int i; + + strcpy (page->name, ""); + page->mode = PAGE_MODE_NONE; + page->res_unit = RESUNIT_NONE; + page->hres = 0.0; + page->vres = 0.0; + page->width = 0.0; + page->length = 0.0; + page->hmargin = 0.0; + page->vmargin = 0.0; + page->rows = 0; + page->cols = 0; + page->orient = ORIENTATION_NONE; + + for (i = 0; i < MAX_SECTIONS; i++) + { + pagelist[i].x1 = (uint32)0; + pagelist[i].x2 = (uint32)0; + pagelist[i].y1 = (uint32)0; + pagelist[i].y2 = (uint32)0; + pagelist[i].buffsize = (uint32)0; + pagelist[i].position = 0; + pagelist[i].total = 0; + } + + for (i = 0; i < MAX_OUTBUFFS; i++) + { + seg_buffs[i].size = 0; + seg_buffs[i].buffer = NULL; + } + } + +static void +initImageData (struct image_data *image) + { + image->xres = 0.0; + image->yres = 0.0; + image->width = 0; + image->length = 0; + image->res_unit = RESUNIT_NONE; + image->bps = 0; + image->spp = 0; + image->planar = 0; + image->photometric = 0; + image->orientation = 0; + image->compression = COMPRESSION_NONE; + image->adjustments = 0; + } + +static void +initCropMasks (struct crop_mask *cps) + { + int i; + + cps->crop_mode = CROP_NONE; + cps->res_unit = RESUNIT_NONE; + cps->edge_ref = EDGE_TOP; + cps->width = 0; + cps->length = 0; + for (i = 0; i < 4; i++) + cps->margins[i] = 0.0; + cps->bufftotal = (uint32)0; + cps->combined_width = (uint32)0; + cps->combined_length = (uint32)0; + cps->rotation = (uint16)0; + cps->photometric = INVERT_DATA_AND_TAG; + cps->mirror = (uint16)0; + cps->invert = (uint16)0; + cps->zones = (uint32)0; + cps->regions = (uint32)0; + for (i = 0; i < MAX_REGIONS; i++) + { + cps->corners[i].X1 = 0.0; + cps->corners[i].X2 = 0.0; + cps->corners[i].Y1 = 0.0; + cps->corners[i].Y2 = 0.0; + cps->regionlist[i].x1 = 0; + cps->regionlist[i].x2 = 0; + cps->regionlist[i].y1 = 0; + cps->regionlist[i].y2 = 0; + cps->regionlist[i].width = 0; + cps->regionlist[i].length = 0; + cps->regionlist[i].buffsize = 0; + cps->regionlist[i].buffptr = NULL; + cps->zonelist[i].position = 0; + cps->zonelist[i].total = 0; + } + cps->exp_mode = ONE_FILE_COMPOSITE; + cps->img_mode = COMPOSITE_IMAGES; + } + +static void initDumpOptions(struct dump_opts *dump) + { + dump->debug = 0; + dump->format = DUMP_NONE; + dump->level = 1; + sprintf (dump->mode, "w"); + memset (dump->infilename, '\0', PATH_MAX + 1); + memset (dump->outfilename, '\0',PATH_MAX + 1); + dump->infile = NULL; + dump->outfile = NULL; + } + +/* Compute pixel offsets into the image for margins and fixed regions */ +static int +computeInputPixelOffsets(struct crop_mask *crop, struct image_data *image, + struct offset *off) + { + double scale; + float xres, yres; + /* Values for these offsets are in pixels from start of image, not bytes, + * and are indexed from zero to width - 1 or length - 1 */ + uint32 tmargin, bmargin, lmargin, rmargin; + uint32 startx, endx; /* offsets of first and last columns to extract */ + uint32 starty, endy; /* offsets of first and last row to extract */ + uint32 width, length, crop_width, crop_length; + uint32 i, max_width, max_length, zwidth, zlength, buffsize; + uint32 x1, x2, y1, y2; + + if (image->res_unit != RESUNIT_INCH && image->res_unit != RESUNIT_CENTIMETER) + { + xres = 1.0; + yres = 1.0; + } + else + { + if (((image->xres == 0) || (image->yres == 0)) && + (crop->res_unit != RESUNIT_NONE) && + ((crop->crop_mode & CROP_REGIONS) || (crop->crop_mode & CROP_MARGINS) || + (crop->crop_mode & CROP_LENGTH) || (crop->crop_mode & CROP_WIDTH))) + { + TIFFError("computeInputPixelOffsets", "Cannot compute margins or fixed size sections without image resolution"); + TIFFError("computeInputPixelOffsets", "Specify units in pixels and try again"); + return (-1); + } + xres = image->xres; + yres = image->yres; + } + + /* Translate user units to image units */ + scale = 1.0; + switch (crop->res_unit) { + case RESUNIT_CENTIMETER: + if (image->res_unit == RESUNIT_INCH) + scale = 1.0/2.54; + break; + case RESUNIT_INCH: + if (image->res_unit == RESUNIT_CENTIMETER) + scale = 2.54; + break; + case RESUNIT_NONE: /* Dimensions in pixels */ + default: + break; + } + + if (crop->crop_mode & CROP_REGIONS) + { + max_width = max_length = 0; + for (i = 0; i < crop->regions; i++) + { + if ((crop->res_unit == RESUNIT_INCH) || (crop->res_unit == RESUNIT_CENTIMETER)) + { + x1 = (uint32) (crop->corners[i].X1 * scale * xres); + x2 = (uint32) (crop->corners[i].X2 * scale * xres); + y1 = (uint32) (crop->corners[i].Y1 * scale * yres); + y2 = (uint32) (crop->corners[i].Y2 * scale * yres); + } + else + { + x1 = (uint32) (crop->corners[i].X1); + x2 = (uint32) (crop->corners[i].X2); + y1 = (uint32) (crop->corners[i].Y1); + y2 = (uint32) (crop->corners[i].Y2); + } + if (x1 < 1) + crop->regionlist[i].x1 = 0; + else + crop->regionlist[i].x1 = (uint32) (x1 - 1); + + if (x2 > image->width - 1) + crop->regionlist[i].x2 = image->width - 1; + else + crop->regionlist[i].x2 = (uint32) (x2 - 1); + zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1; + + if (y1 < 1) + crop->regionlist[i].y1 = 0; + else + crop->regionlist[i].y1 = (uint32) (y1 - 1); + + if (y2 > image->length - 1) + crop->regionlist[i].y2 = image->length - 1; + else + crop->regionlist[i].y2 = (uint32) (y2 - 1); + + zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1; + + if (zwidth > max_width) + max_width = zwidth; + if (zlength > max_length) + max_length = zlength; + + buffsize = (uint32) + (((zwidth * image->bps * image->spp + 7 ) / 8) * (zlength + 1)); + + crop->regionlist[i].buffsize = buffsize; + crop->bufftotal += buffsize; + if (crop->img_mode == COMPOSITE_IMAGES) + { + switch (crop->edge_ref) + { + case EDGE_LEFT: + case EDGE_RIGHT: + crop->combined_length = zlength; + crop->combined_width += zwidth; + break; + case EDGE_BOTTOM: + case EDGE_TOP: /* width from left, length from top */ + default: + crop->combined_width = zwidth; + crop->combined_length += zlength; + break; + } + } + } + return (0); + } + + /* Convert crop margins into offsets into image + * Margins are expressed as pixel rows and columns, not bytes + */ + if (crop->crop_mode & CROP_MARGINS) + { + if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER) + { /* User has specified pixels as reference unit */ + tmargin = (uint32)(crop->margins[0]); + lmargin = (uint32)(crop->margins[1]); + bmargin = (uint32)(crop->margins[2]); + rmargin = (uint32)(crop->margins[3]); + } + else + { /* inches or centimeters specified */ + tmargin = (uint32)(crop->margins[0] * scale * yres); + lmargin = (uint32)(crop->margins[1] * scale * xres); + bmargin = (uint32)(crop->margins[2] * scale * yres); + rmargin = (uint32)(crop->margins[3] * scale * xres); + } + + if ((lmargin + rmargin) > image->width) + { + TIFFError("computeInputPixelOffsets", "Combined left and right margins exceed image width"); + lmargin = (uint32) 0; + rmargin = (uint32) 0; + return (-1); + } + if ((tmargin + bmargin) > image->length) + { + TIFFError("computeInputPixelOffsets", "Combined top and bottom margins exceed image length"); + tmargin = (uint32) 0; + bmargin = (uint32) 0; + return (-1); + } + } + else + { /* no margins requested */ + tmargin = (uint32) 0; + lmargin = (uint32) 0; + bmargin = (uint32) 0; + rmargin = (uint32) 0; + } + + /* Width, height, and margins are expressed as pixel offsets into image */ + if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER) + { + if (crop->crop_mode & CROP_WIDTH) + width = (uint32)crop->width; + else + width = image->width - lmargin - rmargin; + + if (crop->crop_mode & CROP_LENGTH) + length = (uint32)crop->length; + else + length = image->length - tmargin - bmargin; + } + else + { + if (crop->crop_mode & CROP_WIDTH) + width = (uint32)(crop->width * scale * image->xres); + else + width = image->width - lmargin - rmargin; + + if (crop->crop_mode & CROP_LENGTH) + length = (uint32)(crop->length * scale * image->yres); + else + length = image->length - tmargin - bmargin; + } + + off->tmargin = tmargin; + off->bmargin = bmargin; + off->lmargin = lmargin; + off->rmargin = rmargin; + + /* Calculate regions defined by margins, width, and length. + * Coordinates expressed as 0 to imagewidth - 1, imagelength - 1, + * since they are used to compute offsets into buffers */ + switch (crop->edge_ref) { + case EDGE_BOTTOM: + startx = lmargin; + if ((startx + width) >= (image->width - rmargin)) + endx = image->width - rmargin - 1; + else + endx = startx + width - 1; + + endy = image->length - bmargin - 1; + if ((endy - length) <= tmargin) + starty = tmargin; + else + starty = endy - length + 1; + break; + case EDGE_RIGHT: + endx = image->width - rmargin - 1; + if ((endx - width) <= lmargin) + startx = lmargin; + else + startx = endx - width + 1; + + starty = tmargin; + if ((starty + length) >= (image->length - bmargin)) + endy = image->length - bmargin - 1; + else + endy = starty + length - 1; + break; + case EDGE_TOP: /* width from left, length from top */ + case EDGE_LEFT: + default: + startx = lmargin; + if ((startx + width) >= (image->width - rmargin)) + endx = image->width - rmargin - 1; + else + endx = startx + width - 1; + + starty = tmargin; + if ((starty + length) >= (image->length - bmargin)) + endy = image->length - bmargin - 1; + else + endy = starty + length - 1; + break; + } + off->startx = startx; + off->starty = starty; + off->endx = endx; + off->endy = endy; + + crop_width = endx - startx + 1; + crop_length = endy - starty + 1; + + if (crop_width <= 0) + { + TIFFError("computeInputPixelOffsets", + "Invalid left/right margins and /or image crop width requested"); + return (-1); + } + if (crop_width > image->width) + crop_width = image->width; + + if (crop_length <= 0) + { + TIFFError("computeInputPixelOffsets", + "Invalid top/bottom margins and /or image crop length requested"); + return (-1); + } + if (crop_length > image->length) + crop_length = image->length; + + off->crop_width = crop_width; + off->crop_length = crop_length; + + return (0); + } /* end computeInputPixelOffsets */ + +/* + * Translate crop options into pixel offsets for one or more regions of the image. + * Options are applied in this order: margins, specific width and length, zones, + * but all are optional. Margins are relative to each edge. Width, length and + * zones are relative to the specified reference edge. Zones are expressed as + * X:Y where X is the ordinal value in a set of Y equal sized portions. eg. + * 2:3 would indicate the middle third of the region qualified by margins and + * any explicit width and length specified. Regions are specified by coordinates + * of the top left and lower right corners with range 1 to width or height. + */ + +static int +getCropOffsets(struct image_data *image, struct crop_mask *crop, struct dump_opts *dump) + { + struct offset offsets; + int i; + int32 test; + uint32 seg, total, need_buff = 0; + uint32 buffsize; + uint32 zwidth, zlength; + + memset(&offsets, '\0', sizeof(struct offset)); + crop->bufftotal = 0; + crop->combined_width = (uint32)0; + crop->combined_length = (uint32)0; + crop->selections = 0; + + /* Compute pixel offsets if margins or fixed width or length specified */ + if ((crop->crop_mode & CROP_MARGINS) || + (crop->crop_mode & CROP_REGIONS) || + (crop->crop_mode & CROP_LENGTH) || + (crop->crop_mode & CROP_WIDTH)) + { + if (computeInputPixelOffsets(crop, image, &offsets)) + { + TIFFError ("getCropOffsets", "Unable to compute crop margins"); + return (-1); + } + need_buff = TRUE; + crop->selections = crop->regions; + /* Regions are only calculated from top and left edges with no margins */ + if (crop->crop_mode & CROP_REGIONS) + return (0); + } + else + { /* cropped area is the full image */ + offsets.tmargin = 0; + offsets.lmargin = 0; + offsets.bmargin = 0; + offsets.rmargin = 0; + offsets.crop_width = image->width; + offsets.crop_length = image->length; + offsets.startx = 0; + offsets.endx = image->width - 1; + offsets.starty = 0; + offsets.endy = image->length - 1; + need_buff = FALSE; + } + + if (dump->outfile != NULL) + { + dump_info (dump->outfile, dump->format, "", "Margins: Top: %d Left: %d Bottom: %d Right: %d", + offsets.tmargin, offsets.lmargin, offsets.bmargin, offsets.rmargin); + dump_info (dump->outfile, dump->format, "", "Crop region within margins: Adjusted Width: %6d Length: %6d", + offsets.crop_width, offsets.crop_length); + } + + if (!(crop->crop_mode & CROP_ZONES)) /* no crop zones requested */ + { + if (need_buff == FALSE) /* No margins or fixed width or length areas */ + { + crop->selections = 0; + crop->combined_width = image->width; + crop->combined_length = image->length; + return (0); + } + else + { + /* Use one region for margins and fixed width or length areas + * even though it was not formally declared as a region. + */ + crop->selections = 1; + crop->zones = 1; + crop->zonelist[0].total = 1; + crop->zonelist[0].position = 1; + } + } + else + crop->selections = crop->zones; + + for (i = 0; i < crop->zones; i++) + { + seg = crop->zonelist[i].position; + total = crop->zonelist[i].total; + + switch (crop->edge_ref) + { + case EDGE_LEFT: /* zones from left to right, length from top */ + zlength = offsets.crop_length; + crop->regionlist[i].y1 = offsets.starty; + crop->regionlist[i].y2 = offsets.endy; + + crop->regionlist[i].x1 = offsets.startx + + (uint32)(offsets.crop_width * 1.0 * (seg - 1) / total); + test = (int32)offsets.startx + + (int32)(offsets.crop_width * 1.0 * seg / total); + if (test < 1 ) + crop->regionlist[i].x2 = 0; + else + { + if (test > (int32)(image->width - 1)) + crop->regionlist[i].x2 = image->width - 1; + else + crop->regionlist[i].x2 = test - 1; + } + zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1; + + /* This is passed to extractCropZone or extractCompositeZones */ + crop->combined_length = (uint32)zlength; + if (crop->exp_mode == COMPOSITE_IMAGES) + crop->combined_width += (uint32)zwidth; + else + crop->combined_width = (uint32)zwidth; + break; + case EDGE_BOTTOM: /* width from left, zones from bottom to top */ + zwidth = offsets.crop_width; + crop->regionlist[i].x1 = offsets.startx; + crop->regionlist[i].x2 = offsets.endx; + + test = offsets.endy - (uint32)(offsets.crop_length * 1.0 * seg / total); + if (test < 1 ) + crop->regionlist[i].y1 = 0; + else + crop->regionlist[i].y1 = test + 1; + + test = offsets.endy - (offsets.crop_length * 1.0 * (seg - 1) / total); + if (test < 1 ) + crop->regionlist[i].y2 = 0; + else + { + if (test > (int32)(image->length - 1)) + crop->regionlist[i].y2 = image->length - 1; + else + crop->regionlist[i].y2 = test; + } + zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1; + + /* This is passed to extractCropZone or extractCompositeZones */ + if (crop->exp_mode == COMPOSITE_IMAGES) + crop->combined_length += (uint32)zlength; + else + crop->combined_length = (uint32)zlength; + crop->combined_width = (uint32)zwidth; + break; + case EDGE_RIGHT: /* zones from right to left, length from top */ + zlength = offsets.crop_length; + crop->regionlist[i].y1 = offsets.starty; + crop->regionlist[i].y2 = offsets.endy; + + crop->regionlist[i].x1 = offsets.startx + + (uint32)(offsets.crop_width * (total - seg) * 1.0 / total); + test = offsets.startx + + (offsets.crop_width * (total - seg + 1) * 1.0 / total); + if (test < 1 ) + crop->regionlist[i].x2 = 0; + else + { + if (test > (int32)(image->width - 1)) + crop->regionlist[i].x2 = image->width - 1; + else + crop->regionlist[i].x2 = test - 1; + } + zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1; + + /* This is passed to extractCropZone or extractCompositeZones */ + crop->combined_length = (uint32)zlength; + if (crop->exp_mode == COMPOSITE_IMAGES) + crop->combined_width += (uint32)zwidth; + else + crop->combined_width = (uint32)zwidth; + break; + case EDGE_TOP: /* width from left, zones from top to bottom */ + default: + zwidth = offsets.crop_width; + crop->regionlist[i].x1 = offsets.startx; + crop->regionlist[i].x2 = offsets.endx; + + crop->regionlist[i].y1 = offsets.starty + (uint32)(offsets.crop_length * 1.0 * (seg - 1) / total); + test = offsets.starty + (uint32)(offsets.crop_length * 1.0 * seg / total); + if (test < 1 ) + crop->regionlist[i].y2 = 0; + else + { + if (test > (int32)(image->length - 1)) + crop->regionlist[i].y2 = image->length - 1; + else + crop->regionlist[i].y2 = test - 1; + } + zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1; + + /* This is passed to extractCropZone or extractCompositeZones */ + if (crop->exp_mode == COMPOSITE_IMAGES) + crop->combined_length += (uint32)zlength; + else + crop->combined_length = (uint32)zlength; + crop->combined_width = (uint32)zwidth; + break; + } /* end switch statement */ + + buffsize = (uint32) + ((((zwidth * image->bps * image->spp) + 7 ) / 8) * (zlength + 1)); + crop->regionlist[i].width = (uint32) zwidth; + crop->regionlist[i].length = (uint32) zlength; + crop->regionlist[i].buffsize = buffsize; + crop->bufftotal += buffsize; + + + if (dump->outfile != NULL) + dump_info (dump->outfile, dump->format, "", "Zone %d, width: %4d, length: %4d, x1: %4d x2: %4d y1: %4d y2: %4d", + i + 1, (uint32)zwidth, (uint32)zlength, + crop->regionlist[i].x1, crop->regionlist[i].x2, + crop->regionlist[i].y1, crop->regionlist[i].y2); + } + + return (0); + } /* end getCropOffsets */ + + +static int +computeOutputPixelOffsets (struct crop_mask *crop, struct image_data *image, + struct pagedef *page, struct pageseg *sections, + struct dump_opts* dump) + { + double scale; + double pwidth, plength; /* Output page width and length in user units*/ + uint32 iwidth, ilength; /* Input image width and length in pixels*/ + uint32 owidth, olength; /* Output image width and length in pixels*/ + uint32 orows, ocols; /* rows and cols for output */ + uint32 hmargin, vmargin; /* Horizontal and vertical margins */ + uint32 x1, x2, y1, y2, line_bytes; + /* unsigned int orientation; */ + uint32 i, j, k; + + scale = 1.0; + if (page->res_unit == RESUNIT_NONE) + page->res_unit = image->res_unit; + + switch (image->res_unit) { + case RESUNIT_CENTIMETER: + if (page->res_unit == RESUNIT_INCH) + scale = 1.0/2.54; + break; + case RESUNIT_INCH: + if (page->res_unit == RESUNIT_CENTIMETER) + scale = 2.54; + break; + case RESUNIT_NONE: /* Dimensions in pixels */ + default: + break; + } + + /* get width, height, resolutions of input image selection */ + if (crop->combined_width > 0) + iwidth = crop->combined_width; + else + iwidth = image->width; + if (crop->combined_length > 0) + ilength = crop->combined_length; + else + ilength = image->length; + + if (page->hres <= 1.0) + page->hres = image->xres; + if (page->vres <= 1.0) + page->vres = image->yres; + + if ((page->hres < 1.0) || (page->vres < 1.0)) + { + TIFFError("computeOutputPixelOffsets", + "Invalid horizontal or vertical resolution specified or read from input image"); + return (1); + } + + /* If no page sizes are being specified, we just use the input image size to + * calculate maximum margins that can be taken from image. + */ + if (page->width <= 0) + pwidth = iwidth; + else + pwidth = page->width; + + if (page->length <= 0) + plength = ilength; + else + plength = page->length; + + if (dump->debug) + { + TIFFError("", "Page size: %s, Vres: %3.2f, Hres: %3.2f, " + "Hmargin: %3.2f, Vmargin: %3.2f", + page->name, page->vres, page->hres, + page->hmargin, page->vmargin); + TIFFError("", "Res_unit: %d, Scale: %3.2f, Page width: %3.2f, length: %3.2f", + page->res_unit, scale, pwidth, plength); + } + + /* compute margins at specified unit and resolution */ + if (page->mode & PAGE_MODE_MARGINS) + { + if (page->res_unit == RESUNIT_INCH || page->res_unit == RESUNIT_CENTIMETER) + { /* inches or centimeters specified */ + hmargin = (uint32)(page->hmargin * scale * page->hres * ((image->bps + 7)/ 8)); + vmargin = (uint32)(page->vmargin * scale * page->vres * ((image->bps + 7)/ 8)); + } + else + { /* Otherwise user has specified pixels as reference unit */ + hmargin = (uint32)(page->hmargin * scale * ((image->bps + 7)/ 8)); + vmargin = (uint32)(page->vmargin * scale * ((image->bps + 7)/ 8)); + } + + if ((hmargin * 2.0) > (pwidth * page->hres)) + { + TIFFError("computeOutputPixelOffsets", + "Combined left and right margins exceed page width"); + hmargin = (uint32) 0; + return (-1); + } + if ((vmargin * 2.0) > (plength * page->vres)) + { + TIFFError("computeOutputPixelOffsets", + "Combined top and bottom margins exceed page length"); + vmargin = (uint32) 0; + return (-1); + } + } + else + { + hmargin = 0; + vmargin = 0; + } + + if (page->mode & PAGE_MODE_ROWSCOLS ) + { + /* Maybe someday but not for now */ + if (page->mode & PAGE_MODE_MARGINS) + TIFFError("computeOutputPixelOffsets", + "Output margins cannot be specified with rows and columns"); + + owidth = TIFFhowmany(iwidth, page->cols); + olength = TIFFhowmany(ilength, page->rows); + } + else + { + if (page->mode & PAGE_MODE_PAPERSIZE ) + { + owidth = (uint32)((pwidth * page->hres) - (hmargin * 2)); + olength = (uint32)((plength * page->vres) - (vmargin * 2)); + } + else + { + owidth = (uint32)(iwidth - (hmargin * 2 * page->hres)); + olength = (uint32)(ilength - (vmargin * 2 * page->vres)); + } + } + + if (owidth > iwidth) + owidth = iwidth; + if (olength > ilength) + olength = ilength; + + /* Compute the number of pages required for Portrait or Landscape */ + switch (page->orient) + { + case ORIENTATION_NONE: + case ORIENTATION_PORTRAIT: + ocols = TIFFhowmany(iwidth, owidth); + orows = TIFFhowmany(ilength, olength); + /* orientation = ORIENTATION_PORTRAIT; */ + break; + + case ORIENTATION_LANDSCAPE: + ocols = TIFFhowmany(iwidth, olength); + orows = TIFFhowmany(ilength, owidth); + x1 = olength; + olength = owidth; + owidth = x1; + /* orientation = ORIENTATION_LANDSCAPE; */ + break; + + case ORIENTATION_AUTO: + default: + x1 = TIFFhowmany(iwidth, owidth); + x2 = TIFFhowmany(ilength, olength); + y1 = TIFFhowmany(iwidth, olength); + y2 = TIFFhowmany(ilength, owidth); + + if ( (x1 * x2) < (y1 * y2)) + { /* Portrait */ + ocols = x1; + orows = x2; + /* orientation = ORIENTATION_PORTRAIT; */ + } + else + { /* Landscape */ + ocols = y1; + orows = y2; + x1 = olength; + olength = owidth; + owidth = x1; + /* orientation = ORIENTATION_LANDSCAPE; */ + } + } + + if (ocols < 1) + ocols = 1; + if (orows < 1) + orows = 1; + + /* If user did not specify rows and cols, set them from calcuation */ + if (page->rows < 1) + page->rows = orows; + if (page->cols < 1) + page->cols = ocols; + + line_bytes = TIFFhowmany8(owidth * image->bps) * image->spp; + + if ((page->rows * page->cols) > MAX_SECTIONS) + { + TIFFError("computeOutputPixelOffsets", + "Rows and Columns exceed maximum sections\nIncrease resolution or reduce sections"); + return (-1); + } + + /* build the list of offsets for each output section */ + for (k = 0, i = 0 && k <= MAX_SECTIONS; i < orows; i++) + { + y1 = (uint32)(olength * i); + y2 = (uint32)(olength * (i + 1) - 1); + if (y2 >= ilength) + y2 = ilength - 1; + for (j = 0; j < ocols; j++, k++) + { + x1 = (uint32)(owidth * j); + x2 = (uint32)(owidth * (j + 1) - 1); + if (x2 >= iwidth) + x2 = iwidth - 1; + sections[k].x1 = x1; + sections[k].x2 = x2; + sections[k].y1 = y1; + sections[k].y2 = y2; + sections[k].buffsize = line_bytes * olength; + sections[k].position = k + 1; + sections[k].total = orows * ocols; + } + } + return (0); + } /* end computeOutputPixelOffsets */ + +static int +loadImage(TIFF* in, struct image_data *image, struct dump_opts *dump, unsigned char **read_ptr) + { + uint32 i; + float xres = 0.0, yres = 0.0; + uint16 nstrips = 0, ntiles = 0, planar = 0; + uint16 bps = 0, spp = 0, res_unit = 0; + uint16 orientation = 0; + uint16 input_compression = 0, input_photometric = 0; + uint16 subsampling_horiz, subsampling_vert; + uint32 width = 0, length = 0; + uint32 stsize = 0, tlsize = 0, buffsize = 0, scanlinesize = 0; + uint32 tw = 0, tl = 0; /* Tile width and length */ + uint32 tile_rowsize = 0; + unsigned char *read_buff = NULL; + unsigned char *new_buff = NULL; + int readunit = 0; + static uint32 prev_readsize = 0; + + TIFFGetFieldDefaulted(in, TIFFTAG_BITSPERSAMPLE, &bps); + TIFFGetFieldDefaulted(in, TIFFTAG_SAMPLESPERPIXEL, &spp); + TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &planar); + TIFFGetFieldDefaulted(in, TIFFTAG_ORIENTATION, &orientation); + if (! TIFFGetFieldDefaulted(in, TIFFTAG_PHOTOMETRIC, &input_photometric)) + TIFFError("loadImage","Image lacks Photometric interpreation tag"); + if (! TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width)) + TIFFError("loadimage","Image lacks image width tag"); + if(! TIFFGetField(in, TIFFTAG_IMAGELENGTH, &length)) + TIFFError("loadimage","Image lacks image length tag"); + TIFFGetFieldDefaulted(in, TIFFTAG_XRESOLUTION, &xres); + TIFFGetFieldDefaulted(in, TIFFTAG_YRESOLUTION, &yres); + if (!TIFFGetFieldDefaulted(in, TIFFTAG_RESOLUTIONUNIT, &res_unit)) + res_unit = RESUNIT_INCH; + if (!TIFFGetField(in, TIFFTAG_COMPRESSION, &input_compression)) + input_compression = COMPRESSION_NONE; + +#ifdef DEBUG2 + char compressionid[16]; + + switch (input_compression) + { + case COMPRESSION_NONE: /* 1 dump mode */ + strcpy (compressionid, "None/dump"); + break; + case COMPRESSION_CCITTRLE: /* 2 CCITT modified Huffman RLE */ + strcpy (compressionid, "Huffman RLE"); + break; + case COMPRESSION_CCITTFAX3: /* 3 CCITT Group 3 fax encoding */ + strcpy (compressionid, "Group3 Fax"); + break; + case COMPRESSION_CCITTFAX4: /* 4 CCITT Group 4 fax encoding */ + strcpy (compressionid, "Group4 Fax"); + break; + case COMPRESSION_LZW: /* 5 Lempel-Ziv & Welch */ + strcpy (compressionid, "LZW"); + break; + case COMPRESSION_OJPEG: /* 6 !6.0 JPEG */ + strcpy (compressionid, "Old Jpeg"); + break; + case COMPRESSION_JPEG: /* 7 %JPEG DCT compression */ + strcpy (compressionid, "New Jpeg"); + break; + case COMPRESSION_NEXT: /* 32766 NeXT 2-bit RLE */ + strcpy (compressionid, "Next RLE"); + break; + case COMPRESSION_CCITTRLEW: /* 32771 #1 w/ word alignment */ + strcpy (compressionid, "CITTRLEW"); + break; + case COMPRESSION_PACKBITS: /* 32773 Macintosh RLE */ + strcpy (compressionid, "Mac Packbits"); + break; + case COMPRESSION_THUNDERSCAN: /* 32809 ThunderScan RLE */ + strcpy (compressionid, "Thunderscan"); + break; + case COMPRESSION_IT8CTPAD: /* 32895 IT8 CT w/padding */ + strcpy (compressionid, "IT8 padded"); + break; + case COMPRESSION_IT8LW: /* 32896 IT8 Linework RLE */ + strcpy (compressionid, "IT8 RLE"); + break; + case COMPRESSION_IT8MP: /* 32897 IT8 Monochrome picture */ + strcpy (compressionid, "IT8 mono"); + break; + case COMPRESSION_IT8BL: /* 32898 IT8 Binary line art */ + strcpy (compressionid, "IT8 lineart"); + break; + case COMPRESSION_PIXARFILM: /* 32908 Pixar companded 10bit LZW */ + strcpy (compressionid, "Pixar 10 bit"); + break; + case COMPRESSION_PIXARLOG: /* 32909 Pixar companded 11bit ZIP */ + strcpy (compressionid, "Pixar 11bit"); + break; + case COMPRESSION_DEFLATE: /* 32946 Deflate compression */ + strcpy (compressionid, "Deflate"); + break; + case COMPRESSION_ADOBE_DEFLATE: /* 8 Deflate compression */ + strcpy (compressionid, "Adobe deflate"); + break; + default: + strcpy (compressionid, "None/unknown"); + break; + } + TIFFError("loadImage", "Input compression %s", compressionid); +#endif + + scanlinesize = TIFFScanlineSize(in); + image->bps = bps; + image->spp = spp; + image->planar = planar; + image->width = width; + image->length = length; + image->xres = xres; + image->yres = yres; + image->res_unit = res_unit; + image->compression = input_compression; + image->photometric = input_photometric; +#ifdef DEBUG2 + char photometricid[12]; + + switch (input_photometric) + { + case PHOTOMETRIC_MINISWHITE: + strcpy (photometricid, "MinIsWhite"); + break; + case PHOTOMETRIC_MINISBLACK: + strcpy (photometricid, "MinIsBlack"); + break; + case PHOTOMETRIC_RGB: + strcpy (photometricid, "RGB"); + break; + case PHOTOMETRIC_PALETTE: + strcpy (photometricid, "Palette"); + break; + case PHOTOMETRIC_MASK: + strcpy (photometricid, "Mask"); + break; + case PHOTOMETRIC_SEPARATED: + strcpy (photometricid, "Separated"); + break; + case PHOTOMETRIC_YCBCR: + strcpy (photometricid, "YCBCR"); + break; + case PHOTOMETRIC_CIELAB: + strcpy (photometricid, "CIELab"); + break; + case PHOTOMETRIC_ICCLAB: + strcpy (photometricid, "ICCLab"); + break; + case PHOTOMETRIC_ITULAB: + strcpy (photometricid, "ITULab"); + break; + case PHOTOMETRIC_LOGL: + strcpy (photometricid, "LogL"); + break; + case PHOTOMETRIC_LOGLUV: + strcpy (photometricid, "LOGLuv"); + break; + default: + strcpy (photometricid, "Unknown"); + break; + } + TIFFError("loadImage", "Input photometric interpretation %s", photometricid); + +#endif + image->orientation = orientation; + switch (orientation) + { + case 0: + case ORIENTATION_TOPLEFT: + image->adjustments = 0; + break; + case ORIENTATION_TOPRIGHT: + image->adjustments = MIRROR_HORIZ; + break; + case ORIENTATION_BOTRIGHT: + image->adjustments = ROTATECW_180; + break; + case ORIENTATION_BOTLEFT: + image->adjustments = MIRROR_VERT; + break; + case ORIENTATION_LEFTTOP: + image->adjustments = MIRROR_VERT | ROTATECW_90; + break; + case ORIENTATION_RIGHTTOP: + image->adjustments = ROTATECW_90; + break; + case ORIENTATION_RIGHTBOT: + image->adjustments = MIRROR_VERT | ROTATECW_270; + break; + case ORIENTATION_LEFTBOT: + image->adjustments = ROTATECW_270; + break; + default: + image->adjustments = 0; + image->orientation = ORIENTATION_TOPLEFT; + } + + if ((bps == 0) || (spp == 0)) + { + TIFFError("loadImage", "Invalid samples per pixel (%d) or bits per sample (%d)", + spp, bps); + return (-1); + } + + if (TIFFIsTiled(in)) + { + readunit = TILE; + tlsize = TIFFTileSize(in); + ntiles = TIFFNumberOfTiles(in); + TIFFGetField(in, TIFFTAG_TILEWIDTH, &tw); + TIFFGetField(in, TIFFTAG_TILELENGTH, &tl); + + tile_rowsize = TIFFTileRowSize(in); + buffsize = tlsize * ntiles; + + + if (buffsize < (uint32)(ntiles * tl * tile_rowsize)) + { + buffsize = ntiles * tl * tile_rowsize; +#ifdef DEBUG2 + TIFFError("loadImage", + "Tilesize %u is too small, using ntiles * tilelength * tilerowsize %lu", + tlsize, (unsigned long)buffsize); +#endif + } + + if (dump->infile != NULL) + dump_info (dump->infile, dump->format, "", + "Tilesize: %u, Number of Tiles: %u, Tile row size: %u", + tlsize, ntiles, tile_rowsize); + } + else + { + readunit = STRIP; + TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip); + stsize = TIFFStripSize(in); + nstrips = TIFFNumberOfStrips(in); + buffsize = stsize * nstrips; + + if (buffsize < (uint32) (((length * width * spp * bps) + 7) / 8)) + { + buffsize = ((length * width * spp * bps) + 7) / 8; +#ifdef DEBUG2 + TIFFError("loadImage", + "Stripsize %u is too small, using imagelength * width * spp * bps / 8 = %lu", + stsize, (unsigned long)buffsize); +#endif + } + + if (dump->infile != NULL) + dump_info (dump->infile, dump->format, "", + "Stripsize: %u, Number of Strips: %u, Rows per Strip: %u, Scanline size: %u", + stsize, nstrips, rowsperstrip, scanlinesize); + } + + if (input_compression == COMPRESSION_JPEG) + { /* Force conversion to RGB */ + jpegcolormode = JPEGCOLORMODE_RGB; + TIFFSetField(in, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB); + } + /* The clause up to the read statement is taken from Tom Lane's tiffcp patch */ + else + { /* Otherwise, can't handle subsampled input */ + if (input_photometric == PHOTOMETRIC_YCBCR) + { + TIFFGetFieldDefaulted(in, TIFFTAG_YCBCRSUBSAMPLING, + &subsampling_horiz, &subsampling_vert); + if (subsampling_horiz != 1 || subsampling_vert != 1) + { + TIFFError("loadImage", + "Can't copy/convert subsampled image with subsampling %d horiz %d vert", + subsampling_horiz, subsampling_vert); + return (-1); + } + } + } + + read_buff = *read_ptr; + /* +3 : add a few guard bytes since reverseSamples16bits() can read a bit */ + /* outside buffer */ + if (!read_buff) + read_buff = (unsigned char *)_TIFFmalloc(buffsize+3); + else + { + if (prev_readsize < buffsize) + { + new_buff = _TIFFrealloc(read_buff, buffsize); + if (!new_buff) + { + free (read_buff); + read_buff = (unsigned char *)_TIFFmalloc(buffsize+3); + } + else + read_buff = new_buff; + } + } + read_buff[buffsize] = 0; + read_buff[buffsize+1] = 0; + read_buff[buffsize+2] = 0; + + if (!read_buff) + { + TIFFError("loadImage", "Unable to allocate/reallocate read buffer"); + return (-1); + } + + prev_readsize = buffsize; + *read_ptr = read_buff; + + /* N.B. The read functions used copy separate plane data into a buffer as interleaved + * samples rather than separate planes so the same logic works to extract regions + * regardless of the way the data are organized in the input file. + */ + switch (readunit) { + case STRIP: + if (planar == PLANARCONFIG_CONTIG) + { + if (!(readContigStripsIntoBuffer(in, read_buff))) + { + TIFFError("loadImage", "Unable to read contiguous strips into buffer"); + return (-1); + } + } + else + { + if (!(readSeparateStripsIntoBuffer(in, read_buff, length, width, spp, dump))) + { + TIFFError("loadImage", "Unable to read separate strips into buffer"); + return (-1); + } + } + break; + + case TILE: + if (planar == PLANARCONFIG_CONTIG) + { + if (!(readContigTilesIntoBuffer(in, read_buff, length, width, tw, tl, spp, bps))) + { + TIFFError("loadImage", "Unable to read contiguous tiles into buffer"); + return (-1); + } + } + else + { + if (!(readSeparateTilesIntoBuffer(in, read_buff, length, width, tw, tl, spp, bps))) + { + TIFFError("loadImage", "Unable to read separate tiles into buffer"); + return (-1); + } + } + break; + default: TIFFError("loadImage", "Unsupported image file format"); + return (-1); + break; + } + if ((dump->infile != NULL) && (dump->level == 2)) + { + dump_info (dump->infile, dump->format, "loadImage", + "Image width %d, length %d, Raw image data, %4d bytes", + width, length, buffsize); + dump_info (dump->infile, dump->format, "", + "Bits per sample %d, Samples per pixel %d", bps, spp); + + for (i = 0; i < length; i++) + dump_buffer(dump->infile, dump->format, 1, scanlinesize, + i, read_buff + (i * scanlinesize)); + } + return (0); + } /* end loadImage */ + +static int correct_orientation(struct image_data *image, unsigned char **work_buff_ptr) + { + uint16 mirror, rotation; + unsigned char *work_buff; + + work_buff = *work_buff_ptr; + if ((image == NULL) || (work_buff == NULL)) + { + TIFFError ("correct_orientatin", "Invalid image or buffer pointer"); + return (-1); + } + + if ((image->adjustments & MIRROR_HORIZ) || (image->adjustments & MIRROR_VERT)) + { + mirror = (uint16)(image->adjustments & MIRROR_BOTH); + if (mirrorImage(image->spp, image->bps, mirror, + image->width, image->length, work_buff)) + { + TIFFError ("correct_orientation", "Unable to mirror image"); + return (-1); + } + } + + if (image->adjustments & ROTATE_ANY) + { + if (image->adjustments & ROTATECW_90) + rotation = (uint16) 90; + else + if (image->adjustments & ROTATECW_180) + rotation = (uint16) 180; + else + if (image->adjustments & ROTATECW_270) + rotation = (uint16) 270; + else + { + TIFFError ("correct_orientation", "Invalid rotation value: %d", + image->adjustments & ROTATE_ANY); + return (-1); + } + + if (rotateImage(rotation, image, &image->width, &image->length, work_buff_ptr)) + { + TIFFError ("correct_orientation", "Unable to rotate image"); + return (-1); + } + image->orientation = ORIENTATION_TOPLEFT; + } + + return (0); + } /* end correct_orientation */ + + +/* Extract multiple zones from an image and combine into a single composite image */ +static int +extractCompositeRegions(struct image_data *image, struct crop_mask *crop, + unsigned char *read_buff, unsigned char *crop_buff) + { + int shift_width, bytes_per_sample, bytes_per_pixel; + uint32 i, trailing_bits, prev_trailing_bits; + uint32 row, first_row, last_row, first_col, last_col; + uint32 src_rowsize, dst_rowsize, src_offset, dst_offset; + uint32 crop_width, crop_length, img_width /*, img_length */; + uint32 prev_length, prev_width, composite_width; + uint16 bps, spp; + uint8 *src, *dst; + tsample_t count, sample = 0; /* Update to extract one or more samples */ + + img_width = image->width; + /* img_length = image->length; */ + bps = image->bps; + spp = image->spp; + count = spp; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if ((bps % 8) == 0) + shift_width = 0; + else + { + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + } + src = read_buff; + dst = crop_buff; + + /* These are setup for adding additional sections */ + prev_width = prev_length = 0; + prev_trailing_bits = trailing_bits = 0; + composite_width = crop->combined_width; + crop->combined_width = 0; + crop->combined_length = 0; + + for (i = 0; i < crop->selections; i++) + { + /* rows, columns, width, length are expressed in pixels */ + first_row = crop->regionlist[i].y1; + last_row = crop->regionlist[i].y2; + first_col = crop->regionlist[i].x1; + last_col = crop->regionlist[i].x2; + + crop_width = last_col - first_col + 1; + crop_length = last_row - first_row + 1; + + /* These should not be needed for composite images */ + crop->regionlist[i].width = crop_width; + crop->regionlist[i].length = crop_length; + crop->regionlist[i].buffptr = crop_buff; + + src_rowsize = ((img_width * bps * spp) + 7) / 8; + dst_rowsize = (((crop_width * bps * count) + 7) / 8); + + switch (crop->edge_ref) + { + default: + case EDGE_TOP: + case EDGE_BOTTOM: + if ((i > 0) && (crop_width != crop->regionlist[i - 1].width)) + { + TIFFError ("extractCompositeRegions", + "Only equal width regions can be combined for -E top or bottom"); + return (1); + } + + crop->combined_width = crop_width; + crop->combined_length += crop_length; + + for (row = first_row; row <= last_row; row++) + { + src_offset = row * src_rowsize; + dst_offset = (row - first_row) * dst_rowsize; + src = read_buff + src_offset; + dst = crop_buff + dst_offset + (prev_length * dst_rowsize); + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, img_width, sample, + spp, bps, count, first_col, + last_col + 1)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 1: if (bps == 1) + { + if (extractContigSamplesShifted8bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + } + else + if (extractContigSamplesShifted16bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 2: if (extractContigSamplesShifted24bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 3: + case 4: + case 5: if (extractContigSamplesShifted32bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + default: TIFFError("extractCompositeRegions", "Unsupported bit depth %d", bps); + return (1); + } + } + prev_length += crop_length; + break; + case EDGE_LEFT: /* splice the pieces of each row together, side by side */ + case EDGE_RIGHT: + if ((i > 0) && (crop_length != crop->regionlist[i - 1].length)) + { + TIFFError ("extractCompositeRegions", + "Only equal length regions can be combined for -E left or right"); + return (1); + } + crop->combined_width += crop_width; + crop->combined_length = crop_length; + dst_rowsize = (((composite_width * bps * count) + 7) / 8); + trailing_bits = (crop_width * bps * count) % 8; + for (row = first_row; row <= last_row; row++) + { + src_offset = row * src_rowsize; + dst_offset = (row - first_row) * dst_rowsize; + src = read_buff + src_offset; + dst = crop_buff + dst_offset + prev_width; + + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 1: if (bps == 1) + { + if (extractContigSamplesShifted8bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + } + else + if (extractContigSamplesShifted16bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 2: if (extractContigSamplesShifted24bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + case 3: + case 4: + case 5: if (extractContigSamplesShifted32bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractCompositeRegions", + "Unable to extract row %d", row); + return (1); + } + break; + default: TIFFError("extractCompositeRegions", "Unsupported bit depth %d", bps); + return (1); + } + } + prev_width += (crop_width * bps * count) / 8; + prev_trailing_bits += trailing_bits; + if (prev_trailing_bits > 7) + prev_trailing_bits-= 8; + break; + } + } + if (crop->combined_width != composite_width) + TIFFError("combineSeparateRegions","Combined width does not match composite width"); + + return (0); + } /* end extractCompositeRegions */ + +/* Copy a single region of input buffer to an output buffer. + * The read functions used copy separate plane data into a buffer + * as interleaved samples rather than separate planes so the same + * logic works to extract regions regardless of the way the data + * are organized in the input file. This function can be used to + * extract one or more samples from the input image by updating the + * parameters for starting sample and number of samples to copy in the + * fifth and eighth arguments of the call to extractContigSamples. + * They would be passed as new elements of the crop_mask struct. + */ + +static int +extractSeparateRegion(struct image_data *image, struct crop_mask *crop, + unsigned char *read_buff, unsigned char *crop_buff, + int region) + { + int shift_width, prev_trailing_bits = 0; + uint32 bytes_per_sample, bytes_per_pixel; + uint32 src_rowsize, dst_rowsize; + uint32 row, first_row, last_row, first_col, last_col; + uint32 src_offset, dst_offset; + uint32 crop_width, crop_length, img_width /*, img_length */; + uint16 bps, spp; + uint8 *src, *dst; + tsample_t count, sample = 0; /* Update to extract more or more samples */ + + img_width = image->width; + /* img_length = image->length; */ + bps = image->bps; + spp = image->spp; + count = spp; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if ((bps % 8) == 0) + shift_width = 0; /* Byte aligned data only */ + else + { + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + } + + /* rows, columns, width, length are expressed in pixels */ + first_row = crop->regionlist[region].y1; + last_row = crop->regionlist[region].y2; + first_col = crop->regionlist[region].x1; + last_col = crop->regionlist[region].x2; + + crop_width = last_col - first_col + 1; + crop_length = last_row - first_row + 1; + + crop->regionlist[region].width = crop_width; + crop->regionlist[region].length = crop_length; + crop->regionlist[region].buffptr = crop_buff; + + src = read_buff; + dst = crop_buff; + src_rowsize = ((img_width * bps * spp) + 7) / 8; + dst_rowsize = (((crop_width * bps * spp) + 7) / 8); + + for (row = first_row; row <= last_row; row++) + { + src_offset = row * src_rowsize; + dst_offset = (row - first_row) * dst_rowsize; + src = read_buff + src_offset; + dst = crop_buff + dst_offset; + + switch (shift_width) + { + case 0: if (extractContigSamplesBytes (src, dst, img_width, sample, + spp, bps, count, first_col, + last_col + 1)) + { + TIFFError("extractSeparateRegion", + "Unable to extract row %d", row); + return (1); + } + break; + case 1: if (bps == 1) + { + if (extractContigSamplesShifted8bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractSeparateRegion", + "Unable to extract row %d", row); + return (1); + } + break; + } + else + if (extractContigSamplesShifted16bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractSeparateRegion", + "Unable to extract row %d", row); + return (1); + } + break; + case 2: if (extractContigSamplesShifted24bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractSeparateRegion", + "Unable to extract row %d", row); + return (1); + } + break; + case 3: + case 4: + case 5: if (extractContigSamplesShifted32bits (src, dst, img_width, + sample, spp, bps, count, + first_col, last_col + 1, + prev_trailing_bits)) + { + TIFFError("extractSeparateRegion", + "Unable to extract row %d", row); + return (1); + } + break; + default: TIFFError("extractSeparateRegion", "Unsupported bit depth %d", bps); + return (1); + } + } + + return (0); + } /* end extractSeparateRegion */ + +static int +extractImageSection(struct image_data *image, struct pageseg *section, + unsigned char *src_buff, unsigned char *sect_buff) + { + unsigned char bytebuff1, bytebuff2; +#ifdef DEVELMODE + /* unsigned char *src, *dst; */ +#endif + + uint32 img_width, img_rowsize; +#ifdef DEVELMODE + uint32 img_length; +#endif + uint32 j, shift1, shift2, trailing_bits; + uint32 row, first_row, last_row, first_col, last_col; + uint32 src_offset, dst_offset, row_offset, col_offset; + uint32 offset1, offset2, full_bytes; + uint32 sect_width; +#ifdef DEVELMODE + uint32 sect_length; +#endif + uint16 bps, spp; + +#ifdef DEVELMODE + int k; + unsigned char bitset; + static char *bitarray = NULL; +#endif + + img_width = image->width; +#ifdef DEVELMODE + img_length = image->length; +#endif + bps = image->bps; + spp = image->spp; + +#ifdef DEVELMODE + /* src = src_buff; */ + /* dst = sect_buff; */ +#endif + src_offset = 0; + dst_offset = 0; + +#ifdef DEVELMODE + if (bitarray == NULL) + { + if ((bitarray = (char *)malloc(img_width)) == NULL) + { + TIFFError ("", "DEBUG: Unable to allocate debugging bitarray"); + return (-1); + } + } +#endif + + /* rows, columns, width, length are expressed in pixels */ + first_row = section->y1; + last_row = section->y2; + first_col = section->x1; + last_col = section->x2; + + sect_width = last_col - first_col + 1; +#ifdef DEVELMODE + sect_length = last_row - first_row + 1; +#endif + img_rowsize = ((img_width * bps + 7) / 8) * spp; + full_bytes = (sect_width * spp * bps) / 8; /* number of COMPLETE bytes per row in section */ + trailing_bits = (sect_width * bps) % 8; + +#ifdef DEVELMODE + TIFFError ("", "First row: %d, last row: %d, First col: %d, last col: %d\n", + first_row, last_row, first_col, last_col); + TIFFError ("", "Image width: %d, Image length: %d, bps: %d, spp: %d\n", + img_width, img_length, bps, spp); + TIFFError ("", "Sect width: %d, Sect length: %d, full bytes: %d trailing bits %d\n", + sect_width, sect_length, full_bytes, trailing_bits); +#endif + + if ((bps % 8) == 0) + { + col_offset = first_col * spp * bps / 8; + for (row = first_row; row <= last_row; row++) + { + /* row_offset = row * img_width * spp * bps / 8; */ + row_offset = row * img_rowsize; + src_offset = row_offset + col_offset; + +#ifdef DEVELMODE + TIFFError ("", "Src offset: %8d, Dst offset: %8d", src_offset, dst_offset); +#endif + _TIFFmemcpy (sect_buff + dst_offset, src_buff + src_offset, full_bytes); + dst_offset += full_bytes; + } + } + else + { /* bps != 8 */ + shift1 = spp * ((first_col * bps) % 8); + shift2 = spp * ((last_col * bps) % 8); + for (row = first_row; row <= last_row; row++) + { + /* pull out the first byte */ + row_offset = row * img_rowsize; + offset1 = row_offset + (first_col * bps / 8); + offset2 = row_offset + (last_col * bps / 8); + +#ifdef DEVELMODE + for (j = 0, k = 7; j < 8; j++, k--) + { + bitset = *(src_buff + offset1) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + sprintf(&bitarray[8], " "); + sprintf(&bitarray[9], " "); + for (j = 10, k = 7; j < 18; j++, k--) + { + bitset = *(src_buff + offset2) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + bitarray[18] = '\0'; + TIFFError ("", "Row: %3d Offset1: %d, Shift1: %d, Offset2: %d, Shift2: %d\n", + row, offset1, shift1, offset2, shift2); +#endif + + bytebuff1 = bytebuff2 = 0; + if (shift1 == 0) /* the region is byte and sample alligned */ + { + _TIFFmemcpy (sect_buff + dst_offset, src_buff + offset1, full_bytes); + +#ifdef DEVELMODE + TIFFError ("", " Alligned data src offset1: %8d, Dst offset: %8d\n", offset1, dst_offset); + sprintf(&bitarray[18], "\n"); + sprintf(&bitarray[19], "\t"); + for (j = 20, k = 7; j < 28; j++, k--) + { + bitset = *(sect_buff + dst_offset) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + bitarray[28] = ' '; + bitarray[29] = ' '; +#endif + dst_offset += full_bytes; + + if (trailing_bits != 0) + { + bytebuff2 = src_buff[offset2] & ((unsigned char)255 << (7 - shift2)); + sect_buff[dst_offset] = bytebuff2; +#ifdef DEVELMODE + TIFFError ("", " Trailing bits src offset: %8d, Dst offset: %8d\n", + offset2, dst_offset); + for (j = 30, k = 7; j < 38; j++, k--) + { + bitset = *(sect_buff + dst_offset) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + bitarray[38] = '\0'; + TIFFError ("", "\tFirst and last bytes before and after masking:\n\t%s\n\n", bitarray); +#endif + dst_offset++; + } + } + else /* each destination byte will have to be built from two source bytes*/ + { +#ifdef DEVELMODE + TIFFError ("", " Unalligned data src offset: %8d, Dst offset: %8d\n", offset1 , dst_offset); +#endif + for (j = 0; j <= full_bytes; j++) + { + bytebuff1 = src_buff[offset1 + j] & ((unsigned char)255 >> shift1); + bytebuff2 = src_buff[offset1 + j + 1] & ((unsigned char)255 << (7 - shift1)); + sect_buff[dst_offset + j] = (bytebuff1 << shift1) | (bytebuff2 >> (8 - shift1)); + } +#ifdef DEVELMODE + sprintf(&bitarray[18], "\n"); + sprintf(&bitarray[19], "\t"); + for (j = 20, k = 7; j < 28; j++, k--) + { + bitset = *(sect_buff + dst_offset) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + bitarray[28] = ' '; + bitarray[29] = ' '; +#endif + dst_offset += full_bytes; + + if (trailing_bits != 0) + { +#ifdef DEVELMODE + TIFFError ("", " Trailing bits src offset: %8d, Dst offset: %8d\n", offset1 + full_bytes, dst_offset); +#endif + if (shift2 > shift1) + { + bytebuff1 = src_buff[offset1 + full_bytes] & ((unsigned char)255 << (7 - shift2)); + bytebuff2 = bytebuff1 & ((unsigned char)255 << shift1); + sect_buff[dst_offset] = bytebuff2; +#ifdef DEVELMODE + TIFFError ("", " Shift2 > Shift1\n"); +#endif + } + else + { + if (shift2 < shift1) + { + bytebuff2 = ((unsigned char)255 << (shift1 - shift2 - 1)); + sect_buff[dst_offset] &= bytebuff2; +#ifdef DEVELMODE + TIFFError ("", " Shift2 < Shift1\n"); +#endif + } +#ifdef DEVELMODE + else + TIFFError ("", " Shift2 == Shift1\n"); +#endif + } + } +#ifdef DEVELMODE + sprintf(&bitarray[28], " "); + sprintf(&bitarray[29], " "); + for (j = 30, k = 7; j < 38; j++, k--) + { + bitset = *(sect_buff + dst_offset) & (((unsigned char)1 << k)) ? 1 : 0; + sprintf(&bitarray[j], (bitset) ? "1" : "0"); + } + bitarray[38] = '\0'; + TIFFError ("", "\tFirst and last bytes before and after masking:\n\t%s\n\n", bitarray); +#endif + dst_offset++; + } + } + } + + return (0); + } /* end extractImageSection */ + +static int +writeSelections(TIFF *in, TIFF **out, struct crop_mask *crop, + struct image_data *image, struct dump_opts *dump, + struct buffinfo seg_buffs[], char *mp, char *filename, + unsigned int *page, unsigned int total_pages) + { + int i, page_count; + int autoindex = 0; + unsigned char *crop_buff = NULL; + + /* Where we open a new file depends on the export mode */ + switch (crop->exp_mode) + { + case ONE_FILE_COMPOSITE: /* Regions combined into single image */ + autoindex = 0; + crop_buff = seg_buffs[0].buffer; + if (update_output_file (out, mp, autoindex, filename, page)) + return (1); + page_count = total_pages; + if (writeCroppedImage(in, *out, image, dump, + crop->combined_width, + crop->combined_length, + crop_buff, *page, total_pages)) + { + TIFFError("writeRegions", "Unable to write new image"); + return (-1); + } + break; + case ONE_FILE_SEPARATED: /* Regions as separated images */ + autoindex = 0; + if (update_output_file (out, mp, autoindex, filename, page)) + return (1); + page_count = crop->selections * total_pages; + for (i = 0; i < crop->selections; i++) + { + crop_buff = seg_buffs[i].buffer; + if (writeCroppedImage(in, *out, image, dump, + crop->regionlist[i].width, + crop->regionlist[i].length, + crop_buff, *page, page_count)) + { + TIFFError("writeRegions", "Unable to write new image"); + return (-1); + } + } + break; + case FILE_PER_IMAGE_COMPOSITE: /* Regions as composite image */ + autoindex = 1; + if (update_output_file (out, mp, autoindex, filename, page)) + return (1); + + crop_buff = seg_buffs[0].buffer; + if (writeCroppedImage(in, *out, image, dump, + crop->combined_width, + crop->combined_length, + crop_buff, *page, total_pages)) + { + TIFFError("writeRegions", "Unable to write new image"); + return (-1); + } + break; + case FILE_PER_IMAGE_SEPARATED: /* Regions as separated images */ + autoindex = 1; + page_count = crop->selections; + if (update_output_file (out, mp, autoindex, filename, page)) + return (1); + + for (i = 0; i < crop->selections; i++) + { + crop_buff = seg_buffs[i].buffer; + /* Write the current region to the current file */ + if (writeCroppedImage(in, *out, image, dump, + crop->regionlist[i].width, + crop->regionlist[i].length, + crop_buff, *page, page_count)) + { + TIFFError("writeRegions", "Unable to write new image"); + return (-1); + } + } + break; + case FILE_PER_SELECTION: + autoindex = 1; + page_count = 1; + for (i = 0; i < crop->selections; i++) + { + if (update_output_file (out, mp, autoindex, filename, page)) + return (1); + + crop_buff = seg_buffs[i].buffer; + /* Write the current region to the current file */ + if (writeCroppedImage(in, *out, image, dump, + crop->regionlist[i].width, + crop->regionlist[i].length, + crop_buff, *page, page_count)) + { + TIFFError("writeRegions", "Unable to write new image"); + return (-1); + } + } + break; + default: return (1); + } + + return (0); + } /* end writeRegions */ + +static int +writeImageSections(TIFF *in, TIFF *out, struct image_data *image, + struct pagedef *page, struct pageseg *sections, + struct dump_opts * dump, unsigned char *src_buff, + unsigned char **sect_buff_ptr) + { + double hres, vres; + uint32 i, k, width, length, sectsize; + unsigned char *sect_buff = *sect_buff_ptr; + + hres = page->hres; + vres = page->vres; + + k = page->cols * page->rows; + if ((k < 1) || (k > MAX_SECTIONS)) + { + TIFFError("writeImageSections", + "%d Rows and Columns exceed maximum sections\nIncrease resolution or reduce sections", k); + return (-1); + } + + for (i = 0; i < k; i++) + { + width = sections[i].x2 - sections[i].x1 + 1; + length = sections[i].y2 - sections[i].y1 + 1; + sectsize = (uint32) + ceil((width * image->bps + 7) / (double)8) * image->spp * length; + /* allocate a buffer if we don't have one already */ + if (createImageSection(sectsize, sect_buff_ptr)) + { + TIFFError("writeImageSections", "Unable to allocate section buffer"); + exit (-1); + } + sect_buff = *sect_buff_ptr; + + if (extractImageSection (image, §ions[i], src_buff, sect_buff)) + { + TIFFError("writeImageSections", "Unable to extract image sections"); + exit (-1); + } + + /* call the write routine here instead of outside the loop */ + if (writeSingleSection(in, out, image, dump, width, length, hres, vres, sect_buff)) + { + TIFFError("writeImageSections", "Unable to write image section"); + exit (-1); + } + } + + return (0); + } /* end writeImageSections */ + +/* Code in this function is heavily indebted to code in tiffcp + * with modifications by Richard Nolde to handle orientation correctly. + * It will have to be updated significantly if support is added to + * extract one or more samples from original image since the + * original code assumes we are always copying all samples. + */ +static int +writeSingleSection(TIFF *in, TIFF *out, struct image_data *image, + struct dump_opts *dump, uint32 width, uint32 length, + double hres, double vres, + unsigned char *sect_buff) + { + uint16 bps, spp; + uint16 input_compression, input_photometric; + uint16 input_planar; + struct cpTag* p; + + /* Calling this seems to reset the compression mode on the TIFF *in file. + TIFFGetField(in, TIFFTAG_JPEGCOLORMODE, &input_jpeg_colormode); + */ + input_compression = image->compression; + input_photometric = image->photometric; + + spp = image->spp; + bps = image->bps; + TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width); + TIFFSetField(out, TIFFTAG_IMAGELENGTH, length); + TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bps); + TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp); + +#ifdef DEBUG2 + TIFFError("writeSingleSection", "Input compression: %s", + (input_compression == COMPRESSION_OJPEG) ? "Old Jpeg" : + ((input_compression == COMPRESSION_JPEG) ? "New Jpeg" : "Non Jpeg")); +#endif + /* This is the global variable compression which is set + * if the user has specified a command line option for + * a compression option. Should be passed around in one + * of the parameters instead of as a global. If no user + * option specified it will still be (uint16) -1. */ + if (compression != (uint16)-1) + TIFFSetField(out, TIFFTAG_COMPRESSION, compression); + else + { /* OJPEG is no longer supported for writing so upgrade to JPEG */ + if (input_compression == COMPRESSION_OJPEG) + { + compression = COMPRESSION_JPEG; + jpegcolormode = JPEGCOLORMODE_RAW; + TIFFSetField(out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); + } + else /* Use the compression from the input file */ + TIFFSetField(out, TIFFTAG_COMPRESSION, compression); + } + + if (compression == COMPRESSION_JPEG) + { + if ((input_photometric == PHOTOMETRIC_PALETTE) || /* color map indexed */ + (input_photometric == PHOTOMETRIC_MASK)) /* holdout mask */ + { + TIFFError ("writeSingleSection", + "JPEG compression cannot be used with %s image data", + (input_photometric == PHOTOMETRIC_PALETTE) ? + "palette" : "mask"); + return (-1); + } + if ((input_photometric == PHOTOMETRIC_RGB) && + (jpegcolormode == JPEGCOLORMODE_RGB)) + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR); + else + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, input_photometric); + } + else + { + if (compression == COMPRESSION_SGILOG || compression == COMPRESSION_SGILOG24) + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, spp == 1 ? + PHOTOMETRIC_LOGL : PHOTOMETRIC_LOGLUV); + else + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, image->photometric); + } + +#ifdef DEBUG2 + TIFFError("writeSingleSection", "Input photometric: %s", + (input_photometric == PHOTOMETRIC_RGB) ? "RGB" : + ((input_photometric == PHOTOMETRIC_YCBCR) ? "YCbCr" : "Not RGB or YCbCr")); +#endif + + if (((input_photometric == PHOTOMETRIC_LOGL) || + (input_photometric == PHOTOMETRIC_LOGLUV)) && + ((compression != COMPRESSION_SGILOG) && + (compression != COMPRESSION_SGILOG24))) + { + TIFFError("writeSingleSection", + "LogL and LogLuv source data require SGI_LOG or SGI_LOG24 compression"); + return (-1); + } + + if (fillorder != 0) + TIFFSetField(out, TIFFTAG_FILLORDER, fillorder); + else + CopyTag(TIFFTAG_FILLORDER, 1, TIFF_SHORT); + + /* The loadimage function reads input orientation and sets + * image->orientation. The correct_image_orientation function + * applies the required rotation and mirror operations to + * present the data in TOPLEFT orientation and updates + * image->orientation if any transforms are performed, + * as per EXIF standard. + */ + TIFFSetField(out, TIFFTAG_ORIENTATION, image->orientation); + + /* + * Choose tiles/strip for the output image according to + * the command line arguments (-tiles, -strips) and the + * structure of the input image. + */ + if (outtiled == -1) + outtiled = TIFFIsTiled(in); + if (outtiled) { + /* + * Setup output file's tile width&height. If either + * is not specified, use either the value from the + * input image or, if nothing is defined, use the + * library default. + */ + if (tilewidth == (uint32) 0) + TIFFGetField(in, TIFFTAG_TILEWIDTH, &tilewidth); + if (tilelength == (uint32) 0) + TIFFGetField(in, TIFFTAG_TILELENGTH, &tilelength); + + if (tilewidth == 0 || tilelength == 0) + TIFFDefaultTileSize(out, &tilewidth, &tilelength); + TIFFDefaultTileSize(out, &tilewidth, &tilelength); + TIFFSetField(out, TIFFTAG_TILEWIDTH, tilewidth); + TIFFSetField(out, TIFFTAG_TILELENGTH, tilelength); + } else { + /* + * RowsPerStrip is left unspecified: use either the + * value from the input image or, if nothing is defined, + * use the library default. + */ + if (rowsperstrip == (uint32) 0) + { + if (!TIFFGetField(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip)) + rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip); + if (compression != COMPRESSION_JPEG) + { + if (rowsperstrip > length) + rowsperstrip = length; + } + } + else + if (rowsperstrip == (uint32) -1) + rowsperstrip = length; + TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip); + } + + TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &input_planar); + if (config != (uint16) -1) + TIFFSetField(out, TIFFTAG_PLANARCONFIG, config); + else + CopyField(TIFFTAG_PLANARCONFIG, config); + if (spp <= 4) + CopyTag(TIFFTAG_TRANSFERFUNCTION, 4, TIFF_SHORT); + CopyTag(TIFFTAG_COLORMAP, 4, TIFF_SHORT); + +/* SMinSampleValue & SMaxSampleValue */ + switch (compression) { + /* These are references to GLOBAL variables set by defaults + * and /or the compression flag + */ + case COMPRESSION_JPEG: + if (((bps % 8) == 0) || ((bps % 12) == 0)) + { + TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality); + TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB); + } + else + { + TIFFError("writeSingleSection", + "JPEG compression requires 8 or 12 bits per sample"); + return (-1); + } + break; + case COMPRESSION_LZW: + case COMPRESSION_ADOBE_DEFLATE: + case COMPRESSION_DEFLATE: + if (predictor != (uint16)-1) + TIFFSetField(out, TIFFTAG_PREDICTOR, predictor); + else + CopyField(TIFFTAG_PREDICTOR, predictor); + break; + case COMPRESSION_CCITTFAX3: + case COMPRESSION_CCITTFAX4: + if (compression == COMPRESSION_CCITTFAX3) { + if (g3opts != (uint32) -1) + TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts); + else + CopyField(TIFFTAG_GROUP3OPTIONS, g3opts); + } else + CopyTag(TIFFTAG_GROUP4OPTIONS, 1, TIFF_LONG); + CopyTag(TIFFTAG_BADFAXLINES, 1, TIFF_LONG); + CopyTag(TIFFTAG_CLEANFAXDATA, 1, TIFF_LONG); + CopyTag(TIFFTAG_CONSECUTIVEBADFAXLINES, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXRECVPARAMS, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXRECVTIME, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXSUBADDRESS, 1, TIFF_ASCII); + break; + } + { uint32 len32; + void** data; + if (TIFFGetField(in, TIFFTAG_ICCPROFILE, &len32, &data)) + TIFFSetField(out, TIFFTAG_ICCPROFILE, len32, data); + } + { uint16 ninks; + const char* inknames; + if (TIFFGetField(in, TIFFTAG_NUMBEROFINKS, &ninks)) { + TIFFSetField(out, TIFFTAG_NUMBEROFINKS, ninks); + if (TIFFGetField(in, TIFFTAG_INKNAMES, &inknames)) { + int inknameslen = strlen(inknames) + 1; + const char* cp = inknames; + while (ninks > 1) { + cp = strchr(cp, '\0'); + if (cp) { + cp++; + inknameslen += (strlen(cp) + 1); + } + ninks--; + } + TIFFSetField(out, TIFFTAG_INKNAMES, inknameslen, inknames); + } + } + } + { + unsigned short pg0, pg1; + if (TIFFGetField(in, TIFFTAG_PAGENUMBER, &pg0, &pg1)) { + if (pageNum < 0) /* only one input file */ + TIFFSetField(out, TIFFTAG_PAGENUMBER, pg0, pg1); + else + TIFFSetField(out, TIFFTAG_PAGENUMBER, pageNum++, 0); + } + } + + for (p = tags; p < &tags[NTAGS]; p++) + CopyTag(p->tag, p->count, p->type); + + /* Update these since they are overwritten from input res by loop above */ + TIFFSetField(out, TIFFTAG_XRESOLUTION, (float)hres); + TIFFSetField(out, TIFFTAG_YRESOLUTION, (float)vres); + + /* Compute the tile or strip dimensions and write to disk */ + if (outtiled) + { + if (config == PLANARCONFIG_CONTIG) + writeBufferToContigTiles (out, sect_buff, length, width, spp, dump); + else + writeBufferToSeparateTiles (out, sect_buff, length, width, spp, dump); + } + else + { + if (config == PLANARCONFIG_CONTIG) + writeBufferToContigStrips (out, sect_buff, length); + else + writeBufferToSeparateStrips(out, sect_buff, length, width, spp, dump); + } + + if (!TIFFWriteDirectory(out)) + { + TIFFClose(out); + return (-1); + } + + return (0); + } /* end writeSingleSection */ + + +/* Create a buffer to write one section at a time */ +static int +createImageSection(uint32 sectsize, unsigned char **sect_buff_ptr) + { + unsigned char *sect_buff = NULL; + unsigned char *new_buff = NULL; + static uint32 prev_sectsize = 0; + + sect_buff = *sect_buff_ptr; + + if (!sect_buff) + { + sect_buff = (unsigned char *)_TIFFmalloc(sectsize); + *sect_buff_ptr = sect_buff; + _TIFFmemset(sect_buff, 0, sectsize); + } + else + { + if (prev_sectsize < sectsize) + { + new_buff = _TIFFrealloc(sect_buff, sectsize); + if (!new_buff) + { + free (sect_buff); + sect_buff = (unsigned char *)_TIFFmalloc(sectsize); + } + else + sect_buff = new_buff; + + _TIFFmemset(sect_buff, 0, sectsize); + } + } + + if (!sect_buff) + { + TIFFError("createImageSection", "Unable to allocate/reallocate section buffer"); + return (-1); + } + prev_sectsize = sectsize; + *sect_buff_ptr = sect_buff; + + return (0); + } /* end createImageSection */ + + +/* Process selections defined by regions, zones, margins, or fixed sized areas */ +static int +processCropSelections(struct image_data *image, struct crop_mask *crop, + unsigned char **read_buff_ptr, struct buffinfo seg_buffs[]) + { + int i; + uint32 width, length, total_width, total_length; + tsize_t cropsize; + unsigned char *crop_buff = NULL; + unsigned char *read_buff = NULL; + unsigned char *next_buff = NULL; + tsize_t prev_cropsize = 0; + + read_buff = *read_buff_ptr; + + if (crop->img_mode == COMPOSITE_IMAGES) + { + cropsize = crop->bufftotal; + crop_buff = seg_buffs[0].buffer; + if (!crop_buff) + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + else + { + prev_cropsize = seg_buffs[0].size; + if (prev_cropsize < cropsize) + { + next_buff = _TIFFrealloc(crop_buff, cropsize); + if (! next_buff) + { + _TIFFfree (crop_buff); + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + } + else + crop_buff = next_buff; + } + } + + if (!crop_buff) + { + TIFFError("processCropSelections", "Unable to allocate/reallocate crop buffer"); + return (-1); + } + + _TIFFmemset(crop_buff, 0, cropsize); + seg_buffs[0].buffer = crop_buff; + seg_buffs[0].size = cropsize; + + /* Checks for matching width or length as required */ + if (extractCompositeRegions(image, crop, read_buff, crop_buff) != 0) + return (1); + + if (crop->crop_mode & CROP_INVERT) + { + switch (crop->photometric) + { + /* Just change the interpretation */ + case PHOTOMETRIC_MINISWHITE: + case PHOTOMETRIC_MINISBLACK: + image->photometric = crop->photometric; + break; + case INVERT_DATA_ONLY: + case INVERT_DATA_AND_TAG: + if (invertImage(image->photometric, image->spp, image->bps, + crop->combined_width, crop->combined_length, crop_buff)) + { + TIFFError("processCropSelections", + "Failed to invert colorspace for composite regions"); + return (-1); + } + if (crop->photometric == INVERT_DATA_AND_TAG) + { + switch (image->photometric) + { + case PHOTOMETRIC_MINISWHITE: + image->photometric = PHOTOMETRIC_MINISBLACK; + break; + case PHOTOMETRIC_MINISBLACK: + image->photometric = PHOTOMETRIC_MINISWHITE; + break; + default: + break; + } + } + break; + default: break; + } + } + + /* Mirror and Rotate will not work with multiple regions unless they are the same width */ + if (crop->crop_mode & CROP_MIRROR) + { + if (mirrorImage(image->spp, image->bps, crop->mirror, + crop->combined_width, crop->combined_length, crop_buff)) + { + TIFFError("processCropSelections", "Failed to mirror composite regions %s", + (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically"); + return (-1); + } + } + + if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ + { + if (rotateImage(crop->rotation, image, &crop->combined_width, + &crop->combined_length, &crop_buff)) + { + TIFFError("processCropSelections", + "Failed to rotate composite regions by %d degrees", crop->rotation); + return (-1); + } + seg_buffs[0].buffer = crop_buff; + seg_buffs[0].size = (((crop->combined_width * image->bps + 7 ) / 8) + * image->spp) * crop->combined_length; + } + } + else /* Separated Images */ + { + total_width = total_length = 0; + for (i = 0; i < crop->selections; i++) + { + cropsize = crop->bufftotal; + crop_buff = seg_buffs[i].buffer; + if (!crop_buff) + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + else + { + prev_cropsize = seg_buffs[0].size; + if (prev_cropsize < cropsize) + { + next_buff = _TIFFrealloc(crop_buff, cropsize); + if (! next_buff) + { + _TIFFfree (crop_buff); + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + } + else + crop_buff = next_buff; + } + } + + if (!crop_buff) + { + TIFFError("processCropSelections", "Unable to allocate/reallocate crop buffer"); + return (-1); + } + + _TIFFmemset(crop_buff, 0, cropsize); + seg_buffs[i].buffer = crop_buff; + seg_buffs[i].size = cropsize; + + if (extractSeparateRegion(image, crop, read_buff, crop_buff, i)) + { + TIFFError("processCropSelections", "Unable to extract cropped region %d from image", i); + return (-1); + } + + width = crop->regionlist[i].width; + length = crop->regionlist[i].length; + + if (crop->crop_mode & CROP_INVERT) + { + switch (crop->photometric) + { + /* Just change the interpretation */ + case PHOTOMETRIC_MINISWHITE: + case PHOTOMETRIC_MINISBLACK: + image->photometric = crop->photometric; + break; + case INVERT_DATA_ONLY: + case INVERT_DATA_AND_TAG: + if (invertImage(image->photometric, image->spp, image->bps, + width, length, crop_buff)) + { + TIFFError("processCropSelections", + "Failed to invert colorspace for region"); + return (-1); + } + if (crop->photometric == INVERT_DATA_AND_TAG) + { + switch (image->photometric) + { + case PHOTOMETRIC_MINISWHITE: + image->photometric = PHOTOMETRIC_MINISBLACK; + break; + case PHOTOMETRIC_MINISBLACK: + image->photometric = PHOTOMETRIC_MINISWHITE; + break; + default: + break; + } + } + break; + default: break; + } + } + + if (crop->crop_mode & CROP_MIRROR) + { + if (mirrorImage(image->spp, image->bps, crop->mirror, + width, length, crop_buff)) + { + TIFFError("processCropSelections", "Failed to mirror crop region %s", + (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically"); + return (-1); + } + } + + if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ + { + if (rotateImage(crop->rotation, image, &crop->regionlist[i].width, + &crop->regionlist[i].length, &crop_buff)) + { + TIFFError("processCropSelections", + "Failed to rotate crop region by %d degrees", crop->rotation); + return (-1); + } + total_width += crop->regionlist[i].width; + total_length += crop->regionlist[i].length; + crop->combined_width = total_width; + crop->combined_length = total_length; + seg_buffs[i].buffer = crop_buff; + seg_buffs[i].size = (((crop->regionlist[i].width * image->bps + 7 ) / 8) + * image->spp) * crop->regionlist[i].length; + } + } + } + return (0); + } /* end processCropSelections */ + +/* Copy the crop section of the data from the current image into a buffer + * and adjust the IFD values to reflect the new size. If no cropping is + * required, use the origial read buffer as the crop buffer. + * + * There is quite a bit of redundancy between this routine and the more + * specialized processCropSelections, but this provides + * the most optimized path when no Zones or Regions are required. + */ +static int +createCroppedImage(struct image_data *image, struct crop_mask *crop, + unsigned char **read_buff_ptr, unsigned char **crop_buff_ptr) + { + tsize_t cropsize; + unsigned char *read_buff = NULL; + unsigned char *crop_buff = NULL; + unsigned char *new_buff = NULL; + static tsize_t prev_cropsize = 0; + + read_buff = *read_buff_ptr; + + /* process full image, no crop buffer needed */ + crop_buff = read_buff; + *crop_buff_ptr = read_buff; + crop->combined_width = image->width; + crop->combined_length = image->length; + + cropsize = crop->bufftotal; + crop_buff = *crop_buff_ptr; + if (!crop_buff) + { + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + *crop_buff_ptr = crop_buff; + _TIFFmemset(crop_buff, 0, cropsize); + prev_cropsize = cropsize; + } + else + { + if (prev_cropsize < cropsize) + { + new_buff = _TIFFrealloc(crop_buff, cropsize); + if (!new_buff) + { + free (crop_buff); + crop_buff = (unsigned char *)_TIFFmalloc(cropsize); + } + else + crop_buff = new_buff; + _TIFFmemset(crop_buff, 0, cropsize); + } + } + + if (!crop_buff) + { + TIFFError("createCroppedImage", "Unable to allocate/reallocate crop buffer"); + return (-1); + } + *crop_buff_ptr = crop_buff; + + if (crop->crop_mode & CROP_INVERT) + { + switch (crop->photometric) + { + /* Just change the interpretation */ + case PHOTOMETRIC_MINISWHITE: + case PHOTOMETRIC_MINISBLACK: + image->photometric = crop->photometric; + break; + case INVERT_DATA_ONLY: + case INVERT_DATA_AND_TAG: + if (invertImage(image->photometric, image->spp, image->bps, + crop->combined_width, crop->combined_length, crop_buff)) + { + TIFFError("createCroppedImage", + "Failed to invert colorspace for image or cropped selection"); + return (-1); + } + if (crop->photometric == INVERT_DATA_AND_TAG) + { + switch (image->photometric) + { + case PHOTOMETRIC_MINISWHITE: + image->photometric = PHOTOMETRIC_MINISBLACK; + break; + case PHOTOMETRIC_MINISBLACK: + image->photometric = PHOTOMETRIC_MINISWHITE; + break; + default: + break; + } + } + break; + default: break; + } + } + + if (crop->crop_mode & CROP_MIRROR) + { + if (mirrorImage(image->spp, image->bps, crop->mirror, + crop->combined_width, crop->combined_length, crop_buff)) + { + TIFFError("createCroppedImage", "Failed to mirror image or cropped selection %s", + (crop->rotation == MIRROR_HORIZ) ? "horizontally" : "vertically"); + return (-1); + } + } + + if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ + { + if (rotateImage(crop->rotation, image, &crop->combined_width, + &crop->combined_length, crop_buff_ptr)) + { + TIFFError("createCroppedImage", + "Failed to rotate image or cropped selection by %d degrees", crop->rotation); + return (-1); + } + } + + if (crop_buff == read_buff) /* we used the read buffer for the crop buffer */ + *read_buff_ptr = NULL; /* so we don't try to free it later */ + + return (0); + } /* end createCroppedImage */ + + +/* Code in this function is heavily indebted to code in tiffcp + * with modifications by Richard Nolde to handle orientation correctly. + * It will have to be updated significantly if support is added to + * extract one or more samples from original image since the + * original code assumes we are always copying all samples. + * Use of global variables for config, compression and others + * should be replaced by addition to the crop_mask struct (which + * will be renamed to proc_opts indicating that is controlls + * user supplied processing options, not just cropping) and + * then passed in as an argument. + */ +static int +writeCroppedImage(TIFF *in, TIFF *out, struct image_data *image, + struct dump_opts *dump, uint32 width, uint32 length, + unsigned char *crop_buff, int pagenum, int total_pages) + { + uint16 bps, spp; + uint16 input_compression, input_photometric; + uint16 input_planar; + struct cpTag* p; + + input_compression = image->compression; + input_photometric = image->photometric; + spp = image->spp; + bps = image->bps; + + TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width); + TIFFSetField(out, TIFFTAG_IMAGELENGTH, length); + TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bps); + TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp); + +#ifdef DEBUG2 + TIFFError("writeCroppedImage", "Input compression: %s", + (input_compression == COMPRESSION_OJPEG) ? "Old Jpeg" : + ((input_compression == COMPRESSION_JPEG) ? "New Jpeg" : "Non Jpeg")); +#endif + + if (compression != (uint16)-1) + TIFFSetField(out, TIFFTAG_COMPRESSION, compression); + else + { + if (input_compression == COMPRESSION_OJPEG) + { + compression = COMPRESSION_JPEG; + jpegcolormode = JPEGCOLORMODE_RAW; + TIFFSetField(out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); + } + else + CopyField(TIFFTAG_COMPRESSION, compression); + } + + if (compression == COMPRESSION_JPEG) + { + if ((input_photometric == PHOTOMETRIC_PALETTE) || /* color map indexed */ + (input_photometric == PHOTOMETRIC_MASK)) /* $holdout mask */ + { + TIFFError ("writeCroppedImage", + "JPEG compression cannot be used with %s image data", + (input_photometric == PHOTOMETRIC_PALETTE) ? + "palette" : "mask"); + return (-1); + } + if ((input_photometric == PHOTOMETRIC_RGB) && + (jpegcolormode == JPEGCOLORMODE_RGB)) + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR); + else + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, input_photometric); + } + else + { + if (compression == COMPRESSION_SGILOG || compression == COMPRESSION_SGILOG24) + { + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, spp == 1 ? + PHOTOMETRIC_LOGL : PHOTOMETRIC_LOGLUV); + } + else + { + if (input_compression == COMPRESSION_SGILOG || + input_compression == COMPRESSION_SGILOG24) + { + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, spp == 1 ? + PHOTOMETRIC_LOGL : PHOTOMETRIC_LOGLUV); + } + else + TIFFSetField(out, TIFFTAG_PHOTOMETRIC, image->photometric); + } + } + + if (((input_photometric == PHOTOMETRIC_LOGL) || + (input_photometric == PHOTOMETRIC_LOGLUV)) && + ((compression != COMPRESSION_SGILOG) && + (compression != COMPRESSION_SGILOG24))) + { + TIFFError("writeCroppedImage", + "LogL and LogLuv source data require SGI_LOG or SGI_LOG24 compression"); + return (-1); + } + + if (fillorder != 0) + TIFFSetField(out, TIFFTAG_FILLORDER, fillorder); + else + CopyTag(TIFFTAG_FILLORDER, 1, TIFF_SHORT); + + /* The loadimage function reads input orientation and sets + * image->orientation. The correct_image_orientation function + * applies the required rotation and mirror operations to + * present the data in TOPLEFT orientation and updates + * image->orientation if any transforms are performed, + * as per EXIF standard. + */ + TIFFSetField(out, TIFFTAG_ORIENTATION, image->orientation); + + /* + * Choose tiles/strip for the output image according to + * the command line arguments (-tiles, -strips) and the + * structure of the input image. + */ + if (outtiled == -1) + outtiled = TIFFIsTiled(in); + if (outtiled) { + /* + * Setup output file's tile width&height. If either + * is not specified, use either the value from the + * input image or, if nothing is defined, use the + * library default. + */ + if (tilewidth == (uint32) 0) + TIFFGetField(in, TIFFTAG_TILEWIDTH, &tilewidth); + if (tilelength == (uint32) 0) + TIFFGetField(in, TIFFTAG_TILELENGTH, &tilelength); + + if (tilewidth == 0 || tilelength == 0) + TIFFDefaultTileSize(out, &tilewidth, &tilelength); + TIFFSetField(out, TIFFTAG_TILEWIDTH, tilewidth); + TIFFSetField(out, TIFFTAG_TILELENGTH, tilelength); + } else { + /* + * RowsPerStrip is left unspecified: use either the + * value from the input image or, if nothing is defined, + * use the library default. + */ + if (rowsperstrip == (uint32) 0) + { + if (!TIFFGetField(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip)) + rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip); + if (compression != COMPRESSION_JPEG) + { + if (rowsperstrip > length) + rowsperstrip = length; + } + } + else + if (rowsperstrip == (uint32) -1) + rowsperstrip = length; + TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip); + } + + TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &input_planar); + if (config != (uint16) -1) + TIFFSetField(out, TIFFTAG_PLANARCONFIG, config); + else + CopyField(TIFFTAG_PLANARCONFIG, config); + if (spp <= 4) + CopyTag(TIFFTAG_TRANSFERFUNCTION, 4, TIFF_SHORT); + CopyTag(TIFFTAG_COLORMAP, 4, TIFF_SHORT); + +/* SMinSampleValue & SMaxSampleValue */ + switch (compression) { + case COMPRESSION_JPEG: + if (((bps % 8) == 0) || ((bps % 12) == 0)) + { + TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality); + TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB); + } + else + { + TIFFError("writeCroppedImage", + "JPEG compression requires 8 or 12 bits per sample"); + return (-1); + } + break; + case COMPRESSION_LZW: + case COMPRESSION_ADOBE_DEFLATE: + case COMPRESSION_DEFLATE: + if (predictor != (uint16)-1) + TIFFSetField(out, TIFFTAG_PREDICTOR, predictor); + else + CopyField(TIFFTAG_PREDICTOR, predictor); + break; + case COMPRESSION_CCITTFAX3: + case COMPRESSION_CCITTFAX4: + if (bps != 1) + { + TIFFError("writeCroppedImage", + "Group 3/4 compression is not usable with bps > 1"); + return (-1); + } + if (compression == COMPRESSION_CCITTFAX3) { + if (g3opts != (uint32) -1) + TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts); + else + CopyField(TIFFTAG_GROUP3OPTIONS, g3opts); + } else + CopyTag(TIFFTAG_GROUP4OPTIONS, 1, TIFF_LONG); + CopyTag(TIFFTAG_BADFAXLINES, 1, TIFF_LONG); + CopyTag(TIFFTAG_CLEANFAXDATA, 1, TIFF_LONG); + CopyTag(TIFFTAG_CONSECUTIVEBADFAXLINES, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXRECVPARAMS, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXRECVTIME, 1, TIFF_LONG); + CopyTag(TIFFTAG_FAXSUBADDRESS, 1, TIFF_ASCII); + break; + case COMPRESSION_NONE: + break; + default: break; + } + { uint32 len32; + void** data; + if (TIFFGetField(in, TIFFTAG_ICCPROFILE, &len32, &data)) + TIFFSetField(out, TIFFTAG_ICCPROFILE, len32, data); + } + { uint16 ninks; + const char* inknames; + if (TIFFGetField(in, TIFFTAG_NUMBEROFINKS, &ninks)) { + TIFFSetField(out, TIFFTAG_NUMBEROFINKS, ninks); + if (TIFFGetField(in, TIFFTAG_INKNAMES, &inknames)) { + int inknameslen = strlen(inknames) + 1; + const char* cp = inknames; + while (ninks > 1) { + cp = strchr(cp, '\0'); + if (cp) { + cp++; + inknameslen += (strlen(cp) + 1); + } + ninks--; + } + TIFFSetField(out, TIFFTAG_INKNAMES, inknameslen, inknames); + } + } + } + { + unsigned short pg0, pg1; + if (TIFFGetField(in, TIFFTAG_PAGENUMBER, &pg0, &pg1)) { + TIFFSetField(out, TIFFTAG_PAGENUMBER, pagenum, total_pages); + } + } + + for (p = tags; p < &tags[NTAGS]; p++) + CopyTag(p->tag, p->count, p->type); + + /* Compute the tile or strip dimensions and write to disk */ + if (outtiled) + { + if (config == PLANARCONFIG_CONTIG) + { + if (writeBufferToContigTiles (out, crop_buff, length, width, spp, dump)) + TIFFError("","Unable to write contiguous tile data for page %d", pagenum); + } + else + { + if (writeBufferToSeparateTiles (out, crop_buff, length, width, spp, dump)) + TIFFError("","Unable to write separate tile data for page %d", pagenum); + } + } + else + { + if (config == PLANARCONFIG_CONTIG) + { + if (writeBufferToContigStrips (out, crop_buff, length)) + TIFFError("","Unable to write contiguous strip data for page %d", pagenum); + } + else + { + if (writeBufferToSeparateStrips(out, crop_buff, length, width, spp, dump)) + TIFFError("","Unable to write separate strip data for page %d", pagenum); + } + } + + if (!TIFFWriteDirectory(out)) + { + TIFFError("","Failed to write IFD for page number %d", pagenum); + TIFFClose(out); + return (-1); + } + + return (0); + } /* end writeCroppedImage */ + +static int +rotateContigSamples8bits(uint16 rotation, uint16 spp, uint16 bps, uint32 width, + uint32 length, uint32 col, uint8 *src, uint8 *dst) + { + int ready_bits = 0; + uint32 src_byte = 0, src_bit = 0; + uint32 row, rowsize = 0, bit_offset = 0; + uint8 matchbits = 0, maskbits = 0; + uint8 buff1 = 0, buff2 = 0; + uint8 *next; + tsample_t sample; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("rotateContigSamples8bits","Invalid src or destination buffer"); + return (1); + } + + rowsize = ((bps * spp * width) + 7) / 8; + ready_bits = 0; + maskbits = (uint8)-1 >> ( 8 - bps); + buff1 = buff2 = 0; + + for (row = 0; row < length ; row++) + { + bit_offset = col * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + src_bit = (bit_offset + (sample * bps)) % 8; + } + + switch (rotation) + { + case 90: next = src + src_byte - (row * rowsize); + break; + case 270: next = src + src_byte + (row * rowsize); + break; + default: TIFFError("rotateContigSamples8bits", "Invalid rotation %d", rotation); + return (1); + } + matchbits = maskbits << (8 - src_bit - bps); + buff1 = ((*next) & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + *dst++ = buff2; + buff2 = buff1; + ready_bits -= 8; + } + else + { + buff2 = (buff2 | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + if (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + } + + return (0); + } /* end rotateContigSamples8bits */ + + +static int +rotateContigSamples16bits(uint16 rotation, uint16 spp, uint16 bps, uint32 width, + uint32 length, uint32 col, uint8 *src, uint8 *dst) + { + int ready_bits = 0; + uint32 row, rowsize, bit_offset; + uint32 src_byte = 0, src_bit = 0; + uint16 matchbits = 0, maskbits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + uint8 *next; + tsample_t sample; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("rotateContigSamples16bits","Invalid src or destination buffer"); + return (1); + } + + rowsize = ((bps * spp * width) + 7) / 8; + ready_bits = 0; + maskbits = (uint16)-1 >> (16 - bps); + buff1 = buff2 = 0; + for (row = 0; row < length; row++) + { + bit_offset = col * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + src_bit = (bit_offset + (sample * bps)) % 8; + } + + switch (rotation) + { + case 90: next = src + src_byte - (row * rowsize); + break; + case 270: next = src + src_byte + (row * rowsize); + break; + default: TIFFError("rotateContigSamples8bits", "Invalid rotation %d", rotation); + return (1); + } + matchbits = maskbits << (16 - src_bit - bps); + if (little_endian) + buff1 = (next[0] << 8) | next[1]; + else + buff1 = (next[1] << 8) | next[0]; + + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 8) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + } + else + { /* add another bps bits to the buffer */ + bytebuff = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + if (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + } + + return (0); + } /* end rotateContigSamples16bits */ + +static int +rotateContigSamples24bits(uint16 rotation, uint16 spp, uint16 bps, uint32 width, + uint32 length, uint32 col, uint8 *src, uint8 *dst) + { + int ready_bits = 0; + uint32 row, rowsize, bit_offset; + uint32 src_byte = 0, src_bit = 0; + uint32 matchbits = 0, maskbits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + uint8 *next; + tsample_t sample; + + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("rotateContigSamples24bits","Invalid src or destination buffer"); + return (1); + } + + rowsize = ((bps * spp * width) + 7) / 8; + ready_bits = 0; + maskbits = (uint32)-1 >> (32 - bps); + buff1 = buff2 = 0; + for (row = 0; row < length; row++) + { + bit_offset = col * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + src_bit = (bit_offset + (sample * bps)) % 8; + } + + switch (rotation) + { + case 90: next = src + src_byte - (row * rowsize); + break; + case 270: next = src + src_byte + (row * rowsize); + break; + default: TIFFError("rotateContigSamples8bits", "Invalid rotation %d", rotation); + return (1); + } + matchbits = maskbits << (32 - src_bit - bps); + if (little_endian) + buff1 = (next[0] << 24) | (next[1] << 16) | (next[2] << 8) | next[3]; + else + buff1 = (next[3] << 24) | (next[2] << 16) | (next[1] << 8) | next[0]; + buff1 = (buff1 & matchbits) << (src_bit); + + /* If we have a full buffer's worth, write it out */ + if (ready_bits >= 16) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + } + else + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + return (0); + } /* end rotateContigSamples24bits */ + +static int +rotateContigSamples32bits(uint16 rotation, uint16 spp, uint16 bps, uint32 width, + uint32 length, uint32 col, uint8 *src, uint8 *dst) + { + int ready_bits = 0 /*, shift_width = 0 */; + /* int bytes_per_sample, bytes_per_pixel; */ + uint32 row, rowsize, bit_offset; + uint32 src_byte, src_bit; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 maskbits = 0, matchbits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + uint8 *next; + tsample_t sample; + + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("rotateContigSamples24bits","Invalid src or destination buffer"); + return (1); + } + + /* bytes_per_sample = (bps + 7) / 8; */ + /* bytes_per_pixel = ((bps * spp) + 7) / 8; */ + /* if (bytes_per_pixel < (bytes_per_sample + 1)) */ + /* shift_width = bytes_per_pixel; */ + /* else */ + /* shift_width = bytes_per_sample + 1; */ + + rowsize = ((bps * spp * width) + 7) / 8; + ready_bits = 0; + maskbits = (uint64)-1 >> (64 - bps); + buff1 = buff2 = 0; + for (row = 0; row < length; row++) + { + bit_offset = col * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + src_bit = (bit_offset + (sample * bps)) % 8; + } + + switch (rotation) + { + case 90: next = src + src_byte - (row * rowsize); + break; + case 270: next = src + src_byte + (row * rowsize); + break; + default: TIFFError("rotateContigSamples8bits", "Invalid rotation %d", rotation); + return (1); + } + matchbits = maskbits << (64 - src_bit - bps); + if (little_endian) + { + longbuff1 = (next[0] << 24) | (next[1] << 16) | (next[2] << 8) | next[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (next[3] << 24) | (next[2] << 16) | (next[1] << 8) | next[0]; + longbuff2 = longbuff1; + } + + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + buff1 = (buff3 & matchbits) << (src_bit); + + if (ready_bits < 32) + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + return (0); + } /* end rotateContigSamples32bits */ + + +/* Rotate an image by a multiple of 90 degrees clockwise */ +static int +rotateImage(uint16 rotation, struct image_data *image, uint32 *img_width, + uint32 *img_length, unsigned char **ibuff_ptr) + { + int shift_width; + uint32 bytes_per_pixel, bytes_per_sample; + uint32 row, rowsize, src_offset, dst_offset; + uint32 i, col, width, length; + uint32 colsize, buffsize, col_offset, pix_offset; + unsigned char *ibuff; + unsigned char *src; + unsigned char *dst; + uint16 spp, bps; + float res_temp; + unsigned char *rbuff = NULL; + + width = *img_width; + length = *img_length; + spp = image->spp; + bps = image->bps; + + rowsize = ((bps * spp * width) + 7) / 8; + colsize = ((bps * spp * length) + 7) / 8; + if ((colsize * width) > (rowsize * length)) + buffsize = (colsize + 1) * width; + else + buffsize = (rowsize + 1) * length; + + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + + switch (rotation) + { + case 0: + case 360: return (0); + case 90: + case 180: + case 270: break; + default: TIFFError("rotateImage", "Invalid rotation angle %d", rotation); + return (-1); + } + + if (!(rbuff = (unsigned char *)_TIFFmalloc(buffsize))) + { + TIFFError("rotateImage", "Unable to allocate rotation buffer of %1u bytes", buffsize); + return (-1); + } + _TIFFmemset(rbuff, '\0', buffsize); + + ibuff = *ibuff_ptr; + switch (rotation) + { + case 180: if ((bps % 8) == 0) /* byte alligned data */ + { + src = ibuff; + pix_offset = (spp * bps) / 8; + for (row = 0; row < length; row++) + { + dst_offset = (length - row - 1) * rowsize; + for (col = 0; col < width; col++) + { + col_offset = (width - col - 1) * pix_offset; + dst = rbuff + dst_offset + col_offset; + + for (i = 0; i < bytes_per_pixel; i++) + *dst++ = *src++; + } + } + } + else + { /* non 8 bit per sample data */ + for (row = 0; row < length; row++) + { + src_offset = row * rowsize; + dst_offset = (length - row - 1) * rowsize; + src = ibuff + src_offset; + dst = rbuff + dst_offset; + switch (shift_width) + { + case 1: if (bps == 1) + { + if (reverseSamples8bits(spp, bps, width, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + } + if (reverseSamples16bits(spp, bps, width, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 2: if (reverseSamples24bits(spp, bps, width, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 3: + case 4: + case 5: if (reverseSamples32bits(spp, bps, width, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + default: TIFFError("rotateImage","Unsupported bit depth %d", bps); + _TIFFfree(rbuff); + return (-1); + } + } + } + _TIFFfree(ibuff); + *(ibuff_ptr) = rbuff; + break; + + case 90: if ((bps % 8) == 0) /* byte aligned data */ + { + for (col = 0; col < width; col++) + { + src_offset = ((length - 1) * rowsize) + (col * bytes_per_pixel); + dst_offset = col * colsize; + src = ibuff + src_offset; + dst = rbuff + dst_offset; + for (row = length; row > 0; row--) + { + for (i = 0; i < bytes_per_pixel; i++) + *dst++ = *(src + i); + src -= rowsize; + } + } + } + else + { /* non 8 bit per sample data */ + for (col = 0; col < width; col++) + { + src_offset = (length - 1) * rowsize; + dst_offset = col * colsize; + src = ibuff + src_offset; + dst = rbuff + dst_offset; + switch (shift_width) + { + case 1: if (bps == 1) + { + if (rotateContigSamples8bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + } + if (rotateContigSamples16bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 2: if (rotateContigSamples24bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 3: + case 4: + case 5: if (rotateContigSamples32bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + default: TIFFError("rotateImage","Unsupported bit depth %d", bps); + _TIFFfree(rbuff); + return (-1); + } + } + } + _TIFFfree(ibuff); + *(ibuff_ptr) = rbuff; + + *img_width = length; + *img_length = width; + image->width = length; + image->length = width; + res_temp = image->xres; + image->xres = image->yres; + image->yres = res_temp; + break; + + case 270: if ((bps % 8) == 0) /* byte aligned data */ + { + for (col = 0; col < width; col++) + { + src_offset = col * bytes_per_pixel; + dst_offset = (width - col - 1) * colsize; + src = ibuff + src_offset; + dst = rbuff + dst_offset; + for (row = length; row > 0; row--) + { + for (i = 0; i < bytes_per_pixel; i++) + *dst++ = *(src + i); + src += rowsize; + } + } + } + else + { /* non 8 bit per sample data */ + for (col = 0; col < width; col++) + { + src_offset = 0; + dst_offset = (width - col - 1) * colsize; + src = ibuff + src_offset; + dst = rbuff + dst_offset; + switch (shift_width) + { + case 1: if (bps == 1) + { + if (rotateContigSamples8bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + } + if (rotateContigSamples16bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 2: if (rotateContigSamples24bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + case 3: + case 4: + case 5: if (rotateContigSamples32bits(rotation, spp, bps, width, + length, col, src, dst)) + { + _TIFFfree(rbuff); + return (-1); + } + break; + default: TIFFError("rotateImage","Unsupported bit depth %d", bps); + _TIFFfree(rbuff); + return (-1); + } + } + } + _TIFFfree(ibuff); + *(ibuff_ptr) = rbuff; + + *img_width = length; + *img_length = width; + image->width = length; + image->length = width; + res_temp = image->xres; + image->xres = image->yres; + image->yres = res_temp; + break; + default: + break; + } + + return (0); + } /* end rotateImage */ + +static int +reverseSamples8bits (uint16 spp, uint16 bps, uint32 width, + uint8 *ibuff, uint8 *obuff) + { + int ready_bits = 0; + uint32 col; + uint32 src_byte, src_bit; + uint32 bit_offset = 0; + uint8 match_bits = 0, mask_bits = 0; + uint8 buff1 = 0, buff2 = 0; + unsigned char *src; + unsigned char *dst; + tsample_t sample; + + if ((ibuff == NULL) || (obuff == NULL)) + { + TIFFError("reverseSamples8bits","Invalid image or work buffer"); + return (1); + } + + ready_bits = 0; + mask_bits = (uint8)-1 >> ( 8 - bps); + dst = obuff; + for (col = width; col > 0; col--) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = (col - 1) * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + src_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + src_bit = (bit_offset + (sample * bps)) % 8; + } + + src = ibuff + src_byte; + match_bits = mask_bits << (8 - src_bit - bps); + buff1 = ((*src) & match_bits) << (src_bit); + + if (ready_bits < 8) + buff2 = (buff2 | (buff1 >> ready_bits)); + else /* If we have a full buffer's worth, write it out */ + { + *dst++ = buff2; + buff2 = buff1; + ready_bits -= 8; + } + ready_bits += bps; + } + } + if (ready_bits > 0) + { + buff1 = (buff2 & ((unsigned int)255 << (8 - ready_bits))); + *dst++ = buff1; + } + + return (0); + } /* end reverseSamples8bits */ + + +static int +reverseSamples16bits (uint16 spp, uint16 bps, uint32 width, + uint8 *ibuff, uint8 *obuff) + { + int ready_bits = 0; + uint32 col; + uint32 src_byte = 0, high_bit = 0; + uint32 bit_offset = 0; + uint16 match_bits = 0, mask_bits = 0; + uint16 buff1 = 0, buff2 = 0; + uint8 bytebuff = 0; + unsigned char *src; + unsigned char *dst; + tsample_t sample; + + if ((ibuff == NULL) || (obuff == NULL)) + { + TIFFError("reverseSample16bits","Invalid image or work buffer"); + return (1); + } + + ready_bits = 0; + mask_bits = (uint16)-1 >> (16 - bps); + dst = obuff; + for (col = width; col > 0; col--) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = (col - 1) * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + high_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + high_bit = (bit_offset + (sample * bps)) % 8; + } + + src = ibuff + src_byte; + match_bits = mask_bits << (16 - high_bit - bps); + if (little_endian) + buff1 = (src[0] << 8) | src[1]; + else + buff1 = (src[1] << 8) | src[0]; + buff1 = (buff1 & match_bits) << (high_bit); + + if (ready_bits < 8) + { /* add another bps bits to the buffer */ + bytebuff = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + ready_bits -= 8; + /* shift in new bits */ + buff2 = ((buff2 << 8) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + if (ready_bits > 0) + { + bytebuff = (buff2 >> 8); + *dst++ = bytebuff; + } + + return (0); + } /* end reverseSamples16bits */ + +static int +reverseSamples24bits (uint16 spp, uint16 bps, uint32 width, + uint8 *ibuff, uint8 *obuff) + { + int ready_bits = 0; + uint32 col; + uint32 src_byte = 0, high_bit = 0; + uint32 bit_offset = 0; + uint32 match_bits = 0, mask_bits = 0; + uint32 buff1 = 0, buff2 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0; + unsigned char *src; + unsigned char *dst; + tsample_t sample; + + if ((ibuff == NULL) || (obuff == NULL)) + { + TIFFError("reverseSamples24bits","Invalid image or work buffer"); + return (1); + } + + ready_bits = 0; + mask_bits = (uint32)-1 >> (32 - bps); + dst = obuff; + for (col = width; col > 0; col--) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = (col - 1) * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + high_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + high_bit = (bit_offset + (sample * bps)) % 8; + } + + src = ibuff + src_byte; + match_bits = mask_bits << (32 - high_bit - bps); + if (little_endian) + buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + else + buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + buff1 = (buff1 & match_bits) << (high_bit); + + if (ready_bits < 16) + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 16); + *dst++ = bytebuff2; + ready_bits -= 16; + + /* shift in new bits */ + buff2 = ((buff2 << 16) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + + /* catch any trailing bits at the end of the line */ + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 24); + *dst++ = bytebuff1; + + buff2 = (buff2 << 8); + bytebuff2 = bytebuff1; + ready_bits -= 8; + } + + return (0); + } /* end reverseSamples24bits */ + + +static int +reverseSamples32bits (uint16 spp, uint16 bps, uint32 width, + uint8 *ibuff, uint8 *obuff) + { + int ready_bits = 0 /*, shift_width = 0 */; + /* int bytes_per_sample, bytes_per_pixel; */ + uint32 bit_offset; + uint32 src_byte = 0, high_bit = 0; + uint32 col; + uint32 longbuff1 = 0, longbuff2 = 0; + uint64 mask_bits = 0, match_bits = 0; + uint64 buff1 = 0, buff2 = 0, buff3 = 0; + uint8 bytebuff1 = 0, bytebuff2 = 0, bytebuff3 = 0, bytebuff4 = 0; + unsigned char *src; + unsigned char *dst; + tsample_t sample; + + if ((ibuff == NULL) || (obuff == NULL)) + { + TIFFError("reverseSamples32bits","Invalid image or work buffer"); + return (1); + } + + ready_bits = 0; + mask_bits = (uint64)-1 >> (64 - bps); + dst = obuff; + + /* bytes_per_sample = (bps + 7) / 8; */ + /* bytes_per_pixel = ((bps * spp) + 7) / 8; */ + /* if (bytes_per_pixel < (bytes_per_sample + 1)) */ + /* shift_width = bytes_per_pixel; */ + /* else */ + /* shift_width = bytes_per_sample + 1; */ + + for (col = width; col > 0; col--) + { + /* Compute src byte(s) and bits within byte(s) */ + bit_offset = (col - 1) * bps * spp; + for (sample = 0; sample < spp; sample++) + { + if (sample == 0) + { + src_byte = bit_offset / 8; + high_bit = bit_offset % 8; + } + else + { + src_byte = (bit_offset + (sample * bps)) / 8; + high_bit = (bit_offset + (sample * bps)) % 8; + } + + src = ibuff + src_byte; + match_bits = mask_bits << (64 - high_bit - bps); + if (little_endian) + { + longbuff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + longbuff2 = longbuff1; + } + else + { + longbuff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + longbuff2 = longbuff1; + } + buff3 = ((uint64)longbuff1 << 32) | longbuff2; + buff1 = (buff3 & match_bits) << (high_bit); + + if (ready_bits < 32) + { /* add another bps bits to the buffer */ + bytebuff1 = bytebuff2 = bytebuff3 = bytebuff4 = 0; + buff2 = (buff2 | (buff1 >> ready_bits)); + } + else /* If we have a full buffer's worth, write it out */ + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + bytebuff2 = (buff2 >> 48); + *dst++ = bytebuff2; + bytebuff3 = (buff2 >> 40); + *dst++ = bytebuff3; + bytebuff4 = (buff2 >> 32); + *dst++ = bytebuff4; + ready_bits -= 32; + + /* shift in new bits */ + buff2 = ((buff2 << 32) | (buff1 >> ready_bits)); + } + ready_bits += bps; + } + } + while (ready_bits > 0) + { + bytebuff1 = (buff2 >> 56); + *dst++ = bytebuff1; + buff2 = (buff2 << 8); + ready_bits -= 8; + } + + return (0); + } /* end reverseSamples32bits */ + +static int +reverseSamplesBytes (uint16 spp, uint16 bps, uint32 width, + uint8 *src, uint8 *dst) + { + int i; + uint32 col, bytes_per_pixel, col_offset; + uint8 bytebuff1; + unsigned char swapbuff[32]; + + if ((src == NULL) || (dst == NULL)) + { + TIFFError("reverseSamplesBytes","Invalid input or output buffer"); + return (1); + } + + bytes_per_pixel = ((bps * spp) + 7) / 8; + switch (bps / 8) + { + case 8: /* Use memcpy for multiple bytes per sample data */ + case 4: + case 3: + case 2: for (col = 0; col < (width / 2); col++) + { + col_offset = col * bytes_per_pixel; + _TIFFmemcpy (swapbuff, src + col_offset, bytes_per_pixel); + _TIFFmemcpy (src + col_offset, dst - col_offset - bytes_per_pixel, bytes_per_pixel); + _TIFFmemcpy (dst - col_offset - bytes_per_pixel, swapbuff, bytes_per_pixel); + } + break; + case 1: /* Use byte copy only for single byte per sample data */ + for (col = 0; col < (width / 2); col++) + { + for (i = 0; i < spp; i++) + { + bytebuff1 = *src; + *src++ = *(dst - spp + i); + *(dst - spp + i) = bytebuff1; + } + dst -= spp; + } + break; + default: TIFFError("reverseSamplesBytes","Unsupported bit depth %d", bps); + return (1); + } + return (0); + } /* end reverseSamplesBytes */ + + +/* Mirror an image horizontally or vertically */ +static int +mirrorImage(uint16 spp, uint16 bps, uint16 mirror, uint32 width, uint32 length, unsigned char *ibuff) + { + int shift_width; + uint32 bytes_per_pixel, bytes_per_sample; + uint32 row, rowsize, row_offset; + unsigned char *line_buff = NULL; + unsigned char *src; + unsigned char *dst; + + src = ibuff; + rowsize = ((width * bps * spp) + 7) / 8; + switch (mirror) + { + case MIRROR_BOTH: + case MIRROR_VERT: + line_buff = (unsigned char *)_TIFFmalloc(rowsize); + if (line_buff == NULL) + { + TIFFError ("mirrorImage", "Unable to allocate mirror line buffer of %1u bytes", rowsize); + return (-1); + } + + dst = ibuff + (rowsize * (length - 1)); + for (row = 0; row < length / 2; row++) + { + _TIFFmemcpy(line_buff, src, rowsize); + _TIFFmemcpy(src, dst, rowsize); + _TIFFmemcpy(dst, line_buff, rowsize); + src += (rowsize); + dst -= (rowsize); + } + if (line_buff) + _TIFFfree(line_buff); + if (mirror == MIRROR_VERT) + break; + case MIRROR_HORIZ : + if ((bps % 8) == 0) /* byte alligned data */ + { + for (row = 0; row < length; row++) + { + row_offset = row * rowsize; + src = ibuff + row_offset; + dst = ibuff + row_offset + rowsize; + if (reverseSamplesBytes(spp, bps, width, src, dst)) + { + return (-1); + } + } + } + else + { /* non 8 bit per sample data */ + if (!(line_buff = (unsigned char *)_TIFFmalloc(rowsize + 1))) + { + TIFFError("mirrorImage", "Unable to allocate mirror line buffer"); + return (-1); + } + bytes_per_sample = (bps + 7) / 8; + bytes_per_pixel = ((bps * spp) + 7) / 8; + if (bytes_per_pixel < (bytes_per_sample + 1)) + shift_width = bytes_per_pixel; + else + shift_width = bytes_per_sample + 1; + + for (row = 0; row < length; row++) + { + row_offset = row * rowsize; + src = ibuff + row_offset; + _TIFFmemset (line_buff, '\0', rowsize); + switch (shift_width) + { + case 1: if (reverseSamples16bits(spp, bps, width, src, line_buff)) + { + _TIFFfree(line_buff); + return (-1); + } + _TIFFmemcpy (src, line_buff, rowsize); + break; + case 2: if (reverseSamples24bits(spp, bps, width, src, line_buff)) + { + _TIFFfree(line_buff); + return (-1); + } + _TIFFmemcpy (src, line_buff, rowsize); + break; + case 3: + case 4: + case 5: if (reverseSamples32bits(spp, bps, width, src, line_buff)) + { + _TIFFfree(line_buff); + return (-1); + } + _TIFFmemcpy (src, line_buff, rowsize); + break; + default: TIFFError("mirrorImage","Unsupported bit depth %d", bps); + _TIFFfree(line_buff); + return (-1); + } + } + if (line_buff) + _TIFFfree(line_buff); + } + break; + + default: TIFFError ("mirrorImage", "Invalid mirror axis %d", mirror); + return (-1); + break; + } + + return (0); + } + +/* Invert the light and dark values for a bilevel or grayscale image */ +static int +invertImage(uint16 photometric, uint16 spp, uint16 bps, uint32 width, uint32 length, unsigned char *work_buff) + { + uint32 row, col; + unsigned char bytebuff1, bytebuff2, bytebuff3, bytebuff4; + unsigned char *src; + uint16 *src_uint16; + uint32 *src_uint32; + + if (spp != 1) + { + TIFFError("invertImage", "Image inversion not supported for more than one sample per pixel"); + return (-1); + } + + if (photometric != PHOTOMETRIC_MINISWHITE && photometric != PHOTOMETRIC_MINISBLACK) + { + TIFFError("invertImage", "Only black and white and grayscale images can be inverted"); + return (-1); + } + + src = work_buff; + if (src == NULL) + { + TIFFError ("invertImage", "Invalid crop buffer passed to invertImage"); + return (-1); + } + + switch (bps) + { + case 32: src_uint32 = (uint32 *)src; + for (row = 0; row < length; row++) + for (col = 0; col < width; col++) + { + *src_uint32 = (uint32)0xFFFFFFFF - *src_uint32; + src_uint32++; + } + break; + case 16: src_uint16 = (uint16 *)src; + for (row = 0; row < length; row++) + for (col = 0; col < width; col++) + { + *src_uint16 = (uint16)0xFFFF - *src_uint16; + src_uint16++; + } + break; + case 8: for (row = 0; row < length; row++) + for (col = 0; col < width; col++) + { + *src = (uint8)255 - *src; + src++; + } + break; + case 4: for (row = 0; row < length; row++) + for (col = 0; col < width; col++) + { + bytebuff1 = 16 - (uint8)(*src & 240 >> 4); + bytebuff2 = 16 - (*src & 15); + *src = bytebuff1 << 4 & bytebuff2; + src++; + } + break; + case 2: for (row = 0; row < length; row++) + for (col = 0; col < width; col++) + { + bytebuff1 = 4 - (uint8)(*src & 192 >> 6); + bytebuff2 = 4 - (uint8)(*src & 48 >> 4); + bytebuff3 = 4 - (uint8)(*src & 12 >> 2); + bytebuff4 = 4 - (uint8)(*src & 3); + *src = (bytebuff1 << 6) || (bytebuff2 << 4) || (bytebuff3 << 2) || bytebuff4; + src++; + } + break; + case 1: for (row = 0; row < length; row++) + for (col = 0; col < width; col += 8 /(spp * bps)) + { + *src = ~(*src); + src++; + } + break; + default: TIFFError("invertImage", "Unsupported bit depth %d", bps); + return (-1); + } + + return (0); + } + +/* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |