diff options
Diffstat (limited to 'tiff/tools/bmp2tiff.c')
| -rw-r--r-- | tiff/tools/bmp2tiff.c | 850 |
1 files changed, 0 insertions, 850 deletions
diff --git a/tiff/tools/bmp2tiff.c b/tiff/tools/bmp2tiff.c deleted file mode 100644 index 02b83b3..0000000 --- a/tiff/tools/bmp2tiff.c +++ /dev/null @@ -1,850 +0,0 @@ -/* $Id: bmp2tiff.c,v 1.20.2.1 2010-06-08 18:50:43 bfriesen Exp $ - * - * Project: libtiff tools - * Purpose: Convert Windows BMP files in TIFF. - * Author: Andrey Kiselev, dron@ak4719.spb.edu - * - ****************************************************************************** - * Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu> - * - * 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 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. - */ - -#include "tif_config.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <sys/types.h> -#include <sys/stat.h> - -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif - -#if HAVE_FCNTL_H -# include <fcntl.h> -#endif - -#if HAVE_SYS_TYPES_H -# include <sys/types.h> -#endif - -#if HAVE_IO_H -# include <io.h> -#endif - -#include "tiffio.h" - -#ifndef O_BINARY -# define O_BINARY 0 -#endif - -enum BMPType -{ - BMPT_WIN4, /* BMP used in Windows 3.0/NT 3.51/95 */ - BMPT_WIN5, /* BMP used in Windows NT 4.0/98/Me/2000/XP */ - BMPT_OS21, /* BMP used in OS/2 PM 1.x */ - BMPT_OS22 /* BMP used in OS/2 PM 2.x */ -}; - -/* - * Bitmap file consists of a BMPFileHeader structure followed by a - * BMPInfoHeader structure. An array of BMPColorEntry structures (also called - * a colour table) follows the bitmap information header structure. The colour - * table is followed by a second array of indexes into the colour table (the - * actual bitmap data). Data may be comressed, for 4-bpp and 8-bpp used RLE - * compression. - * - * +---------------------+ - * | BMPFileHeader | - * +---------------------+ - * | BMPInfoHeader | - * +---------------------+ - * | BMPColorEntry array | - * +---------------------+ - * | Colour-index array | - * +---------------------+ - * - * All numbers stored in Intel order with least significant byte first. - */ - -enum BMPComprMethod -{ - BMPC_RGB = 0L, /* Uncompressed */ - BMPC_RLE8 = 1L, /* RLE for 8 bpp images */ - BMPC_RLE4 = 2L, /* RLE for 4 bpp images */ - BMPC_BITFIELDS = 3L, /* Bitmap is not compressed and the colour table - * consists of three DWORD color masks that specify - * the red, green, and blue components of each - * pixel. This is valid when used with - * 16- and 32-bpp bitmaps. */ - BMPC_JPEG = 4L, /* Indicates that the image is a JPEG image. */ - BMPC_PNG = 5L /* Indicates that the image is a PNG image. */ -}; - -enum BMPLCSType /* Type of logical color space. */ -{ - BMPLT_CALIBRATED_RGB = 0, /* This value indicates that endpoints and - * gamma values are given in the appropriate - * fields. */ - BMPLT_DEVICE_RGB = 1, - BMPLT_DEVICE_CMYK = 2 -}; - -typedef struct -{ - int32 iCIEX; - int32 iCIEY; - int32 iCIEZ; -} BMPCIEXYZ; - -typedef struct /* This structure contains the x, y, and z */ -{ /* coordinates of the three colors that */ - /* correspond */ - BMPCIEXYZ iCIERed; /* to the red, green, and blue endpoints for */ - BMPCIEXYZ iCIEGreen; /* a specified logical color space. */ - BMPCIEXYZ iCIEBlue; -} BMPCIEXYZTriple; - -typedef struct -{ - char bType[2]; /* Signature "BM" */ - uint32 iSize; /* Size in bytes of the bitmap file. Should - * always be ignored while reading because - * of error in Windows 3.0 SDK's description - * of this field */ - uint16 iReserved1; /* Reserved, set as 0 */ - uint16 iReserved2; /* Reserved, set as 0 */ - uint32 iOffBits; /* Offset of the image from file start in bytes */ -} BMPFileHeader; - -/* File header size in bytes: */ -const int BFH_SIZE = 14; - -typedef struct -{ - uint32 iSize; /* Size of BMPInfoHeader structure in bytes. - * Should be used to determine start of the - * colour table */ - int32 iWidth; /* Image width */ - int32 iHeight; /* Image height. If positive, image has bottom - * left origin, if negative --- top left. */ - int16 iPlanes; /* Number of image planes (must be set to 1) */ - int16 iBitCount; /* Number of bits per pixel (1, 4, 8, 16, 24 - * or 32). If 0 then the number of bits per - * pixel is specified or is implied by the - * JPEG or PNG format. */ - uint32 iCompression; /* Compression method */ - uint32 iSizeImage; /* Size of uncomressed image in bytes. May - * be 0 for BMPC_RGB bitmaps. If iCompression - * is BI_JPEG or BI_PNG, iSizeImage indicates - * the size of the JPEG or PNG image buffer. */ - int32 iXPelsPerMeter; /* X resolution, pixels per meter (0 if not used) */ - int32 iYPelsPerMeter; /* Y resolution, pixels per meter (0 if not used) */ - uint32 iClrUsed; /* Size of colour table. If 0, iBitCount should - * be used to calculate this value - * (1<<iBitCount). This value should be - * unsigned for proper shifting. */ - int32 iClrImportant; /* Number of important colours. If 0, all - * colours are required */ - - /* - * Fields above should be used for bitmaps, compatible with Windows NT 3.51 - * and earlier. Windows 98/Me, Windows 2000/XP introduces additional fields: - */ - - int32 iRedMask; /* Colour mask that specifies the red component - * of each pixel, valid only if iCompression - * is set to BI_BITFIELDS. */ - int32 iGreenMask; /* The same for green component */ - int32 iBlueMask; /* The same for blue component */ - int32 iAlphaMask; /* Colour mask that specifies the alpha - * component of each pixel. */ - uint32 iCSType; /* Colour space of the DIB. */ - BMPCIEXYZTriple sEndpoints; /* This member is ignored unless the iCSType - * member specifies BMPLT_CALIBRATED_RGB. */ - int32 iGammaRed; /* Toned response curve for red. This member - * is ignored unless color values are - * calibrated RGB values and iCSType is set to - * BMPLT_CALIBRATED_RGB. Specified - * in 16^16 format. */ - int32 iGammaGreen; /* Toned response curve for green. */ - int32 iGammaBlue; /* Toned response curve for blue. */ -} BMPInfoHeader; - -/* - * Info header size in bytes: - */ -const unsigned int BIH_WIN4SIZE = 40; /* for BMPT_WIN4 */ -const unsigned int BIH_WIN5SIZE = 57; /* for BMPT_WIN5 */ -const unsigned int BIH_OS21SIZE = 12; /* for BMPT_OS21 */ -const unsigned int BIH_OS22SIZE = 64; /* for BMPT_OS22 */ - -/* - * We will use plain byte array instead of this structure, but declaration - * provided for reference - */ -typedef struct -{ - char bBlue; - char bGreen; - char bRed; - char bReserved; /* Must be 0 */ -} BMPColorEntry; - -static uint16 compression = (uint16) -1; -static int jpegcolormode = JPEGCOLORMODE_RGB; -static int quality = 75; /* JPEG quality */ -static uint16 predictor = 0; - -static void usage(void); -static int processCompressOptions(char*); -static void rearrangePixels(char *, uint32, uint32); - -int -main(int argc, char* argv[]) -{ - uint32 width, length; - uint16 nbands = 1; /* number of bands in input image */ - uint16 depth = 8; /* bits per pixel in input image */ - uint32 rowsperstrip = (uint32) -1; - uint16 photometric = PHOTOMETRIC_MINISBLACK; - int fd = 0; - struct stat instat; - char *outfilename = NULL, *infilename = NULL; - TIFF *out = NULL; - - BMPFileHeader file_hdr; - BMPInfoHeader info_hdr; - int bmp_type; - uint32 clr_tbl_size, n_clr_elems = 3; - unsigned char *clr_tbl; - unsigned short *red_tbl = NULL, *green_tbl = NULL, *blue_tbl = NULL; - uint32 row, clr; - - int c; - extern int optind; - extern char* optarg; - - while ((c = getopt(argc, argv, "c:r:o:h")) != -1) { - switch (c) { - case 'c': /* compression scheme */ - if (!processCompressOptions(optarg)) - usage(); - break; - case 'r': /* rows/strip */ - rowsperstrip = atoi(optarg); - break; - case 'o': - outfilename = optarg; - break; - case 'h': - usage(); - default: - break; - } - } - - if (argc - optind < 2) - usage(); - - if (outfilename == NULL) - outfilename = argv[argc-1]; - out = TIFFOpen(outfilename, "w"); - if (out == NULL) { - TIFFError(infilename, "Cannot open file %s for output", - outfilename); - goto bad3; - } - - - while (optind < argc-1) { - infilename = argv[optind]; - optind++; - - fd = open(infilename, O_RDONLY|O_BINARY, 0); - if (fd < 0) { - TIFFError(infilename, "Cannot open input file"); - return -1; - } - - read(fd, file_hdr.bType, 2); - if(file_hdr.bType[0] != 'B' || file_hdr.bType[1] != 'M') { - TIFFError(infilename, "File is not BMP"); - goto bad; - } - -/* -------------------------------------------------------------------- */ -/* Read the BMPFileHeader. We need iOffBits value only */ -/* -------------------------------------------------------------------- */ - lseek(fd, 10, SEEK_SET); - read(fd, &file_hdr.iOffBits, 4); -#ifdef WORDS_BIGENDIAN - TIFFSwabLong(&file_hdr.iOffBits); -#endif - fstat(fd, &instat); - file_hdr.iSize = instat.st_size; - -/* -------------------------------------------------------------------- */ -/* Read the BMPInfoHeader. */ -/* -------------------------------------------------------------------- */ - - lseek(fd, BFH_SIZE, SEEK_SET); - read(fd, &info_hdr.iSize, 4); -#ifdef WORDS_BIGENDIAN - TIFFSwabLong(&info_hdr.iSize); -#endif - - if (info_hdr.iSize == BIH_WIN4SIZE) - bmp_type = BMPT_WIN4; - else if (info_hdr.iSize == BIH_OS21SIZE) - bmp_type = BMPT_OS21; - else if (info_hdr.iSize == BIH_OS22SIZE - || info_hdr.iSize == 16) - bmp_type = BMPT_OS22; - else - bmp_type = BMPT_WIN5; - - if (bmp_type == BMPT_WIN4 - || bmp_type == BMPT_WIN5 - || bmp_type == BMPT_OS22) { - read(fd, &info_hdr.iWidth, 4); - read(fd, &info_hdr.iHeight, 4); - read(fd, &info_hdr.iPlanes, 2); - read(fd, &info_hdr.iBitCount, 2); - read(fd, &info_hdr.iCompression, 4); - read(fd, &info_hdr.iSizeImage, 4); - read(fd, &info_hdr.iXPelsPerMeter, 4); - read(fd, &info_hdr.iYPelsPerMeter, 4); - read(fd, &info_hdr.iClrUsed, 4); - read(fd, &info_hdr.iClrImportant, 4); -#ifdef WORDS_BIGENDIAN - TIFFSwabLong((uint32*) &info_hdr.iWidth); - TIFFSwabLong((uint32*) &info_hdr.iHeight); - TIFFSwabShort((uint16*) &info_hdr.iPlanes); - TIFFSwabShort((uint16*) &info_hdr.iBitCount); - TIFFSwabLong((uint32*) &info_hdr.iCompression); - TIFFSwabLong((uint32*) &info_hdr.iSizeImage); - TIFFSwabLong((uint32*) &info_hdr.iXPelsPerMeter); - TIFFSwabLong((uint32*) &info_hdr.iYPelsPerMeter); - TIFFSwabLong((uint32*) &info_hdr.iClrUsed); - TIFFSwabLong((uint32*) &info_hdr.iClrImportant); -#endif - n_clr_elems = 4; - } - - if (bmp_type == BMPT_OS22) { - /* - * FIXME: different info in different documents - * regarding this! - */ - n_clr_elems = 3; - } - - if (bmp_type == BMPT_OS21) { - int16 iShort; - - read(fd, &iShort, 2); -#ifdef WORDS_BIGENDIAN - TIFFSwabShort((uint16*) &iShort); -#endif - info_hdr.iWidth = iShort; - read(fd, &iShort, 2); -#ifdef WORDS_BIGENDIAN - TIFFSwabShort((uint16*) &iShort); -#endif - info_hdr.iHeight = iShort; - read(fd, &iShort, 2); -#ifdef WORDS_BIGENDIAN - TIFFSwabShort((uint16*) &iShort); -#endif - info_hdr.iPlanes = iShort; - read(fd, &iShort, 2); -#ifdef WORDS_BIGENDIAN - TIFFSwabShort((uint16*) &iShort); -#endif - info_hdr.iBitCount = iShort; - info_hdr.iCompression = BMPC_RGB; - n_clr_elems = 3; - } - - if (info_hdr.iBitCount != 1 && info_hdr.iBitCount != 4 && - info_hdr.iBitCount != 8 && info_hdr.iBitCount != 16 && - info_hdr.iBitCount != 24 && info_hdr.iBitCount != 32) { - TIFFError(infilename, - "Cannot process BMP file with bit count %d", - info_hdr.iBitCount); - close(fd); - return 0; - } - - width = info_hdr.iWidth; - length = (info_hdr.iHeight > 0) ? info_hdr.iHeight : -info_hdr.iHeight; - - switch (info_hdr.iBitCount) - { - case 1: - case 4: - case 8: - nbands = 1; - depth = info_hdr.iBitCount; - photometric = PHOTOMETRIC_PALETTE; - /* Allocate memory for colour table and read it. */ - if (info_hdr.iClrUsed) - clr_tbl_size = - ((uint32)(1<<depth)<info_hdr.iClrUsed) - ? (uint32) (1 << depth) - : info_hdr.iClrUsed; - else - clr_tbl_size = 1 << depth; - clr_tbl = (unsigned char *) - _TIFFmalloc(n_clr_elems * clr_tbl_size); - if (!clr_tbl) { - TIFFError(infilename, - "Can't allocate space for color table"); - goto bad; - } - - lseek(fd, BFH_SIZE + info_hdr.iSize, SEEK_SET); - read(fd, clr_tbl, n_clr_elems * clr_tbl_size); - - red_tbl = (unsigned short*) - _TIFFmalloc(1<<depth * sizeof(unsigned short)); - if (!red_tbl) { - TIFFError(infilename, - "Can't allocate space for red component table"); - _TIFFfree(clr_tbl); - goto bad1; - } - green_tbl = (unsigned short*) - _TIFFmalloc(1<<depth * sizeof(unsigned short)); - if (!green_tbl) { - TIFFError(infilename, - "Can't allocate space for green component table"); - _TIFFfree(clr_tbl); - goto bad2; - } - blue_tbl = (unsigned short*) - _TIFFmalloc(1<<depth * sizeof(unsigned short)); - if (!blue_tbl) { - TIFFError(infilename, - "Can't allocate space for blue component table"); - _TIFFfree(clr_tbl); - goto bad3; - } - - for(clr = 0; clr < clr_tbl_size; clr++) { - red_tbl[clr] = 257*clr_tbl[clr*n_clr_elems+2]; - green_tbl[clr] = 257*clr_tbl[clr*n_clr_elems+1]; - blue_tbl[clr] = 257*clr_tbl[clr*n_clr_elems]; - } - - _TIFFfree(clr_tbl); - break; - case 16: - case 24: - nbands = 3; - depth = info_hdr.iBitCount / nbands; - photometric = PHOTOMETRIC_RGB; - break; - case 32: - nbands = 3; - depth = 8; - photometric = PHOTOMETRIC_RGB; - break; - default: - break; - } - -/* -------------------------------------------------------------------- */ -/* Create output file. */ -/* -------------------------------------------------------------------- */ - - TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width); - TIFFSetField(out, TIFFTAG_IMAGELENGTH, length); - TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, nbands); - TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, depth); - TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric); - TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, - TIFFDefaultStripSize(out, rowsperstrip)); - - if (red_tbl && green_tbl && blue_tbl) { - TIFFSetField(out, TIFFTAG_COLORMAP, - red_tbl, green_tbl, blue_tbl); - } - - if (compression == (uint16) -1) - compression = COMPRESSION_PACKBITS; - TIFFSetField(out, TIFFTAG_COMPRESSION, compression); - switch (compression) { - case COMPRESSION_JPEG: - if (photometric == PHOTOMETRIC_RGB - && jpegcolormode == JPEGCOLORMODE_RGB) - photometric = PHOTOMETRIC_YCBCR; - TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality); - TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode); - break; - case COMPRESSION_LZW: - case COMPRESSION_DEFLATE: - if (predictor != 0) - TIFFSetField(out, TIFFTAG_PREDICTOR, predictor); - break; - } - -/* -------------------------------------------------------------------- */ -/* Read uncompressed image data. */ -/* -------------------------------------------------------------------- */ - - if (info_hdr.iCompression == BMPC_RGB) { - uint32 offset, size; - char *scanbuf; - - /* XXX: Avoid integer overflow. We can calculate size - * in one step using - * - * size = ((width * info_hdr.iBitCount + 31) & ~31) / 8 - * - * formulae, but we should check for overflow - * conditions during calculation. - */ - size = width * info_hdr.iBitCount + 31; - if (!width || !info_hdr.iBitCount - || (size - 31) / info_hdr.iBitCount != width ) { - TIFFError(infilename, - "Wrong image parameters; can't " - "allocate space for scanline buffer"); - goto bad3; - } - size = (size & ~31) / 8; - - scanbuf = (char *) _TIFFmalloc(size); - if (!scanbuf) { - TIFFError(infilename, - "Can't allocate space for scanline buffer"); - goto bad3; - } - - for (row = 0; row < length; row++) { - if (info_hdr.iHeight > 0) - offset = file_hdr.iOffBits+(length-row-1)*size; - else - offset = file_hdr.iOffBits + row * size; - if (lseek(fd, offset, SEEK_SET) == (off_t)-1) { - TIFFError(infilename, - "scanline %lu: Seek error", - (unsigned long) row); - break; - } - - if (read(fd, scanbuf, size) < 0) { - TIFFError(infilename, - "scanline %lu: Read error", - (unsigned long) row); - break; - } - - rearrangePixels(scanbuf, width, info_hdr.iBitCount); - - if (TIFFWriteScanline(out, scanbuf, row, 0)<0) { - TIFFError(infilename, - "scanline %lu: Write error", - (unsigned long) row); - break; - } - } - - _TIFFfree(scanbuf); - -/* -------------------------------------------------------------------- */ -/* Read compressed image data. */ -/* -------------------------------------------------------------------- */ - - } else if ( info_hdr.iCompression == BMPC_RLE8 - || info_hdr.iCompression == BMPC_RLE4 ) { - uint32 i, j, k, runlength; - uint32 compr_size, uncompr_size; - unsigned char *comprbuf; - unsigned char *uncomprbuf; - - compr_size = file_hdr.iSize - file_hdr.iOffBits; - uncompr_size = width * length; - comprbuf = (unsigned char *) _TIFFmalloc( compr_size ); - if (!comprbuf) { - TIFFError(infilename, - "Can't allocate space for compressed scanline buffer"); - goto bad3; - } - uncomprbuf = (unsigned char *)_TIFFmalloc(uncompr_size); - if (!uncomprbuf) { - TIFFError(infilename, - "Can't allocate space for uncompressed scanline buffer"); - goto bad3; - } - - lseek(fd, file_hdr.iOffBits, SEEK_SET); - read(fd, comprbuf, compr_size); - i = 0; - j = 0; - if (info_hdr.iBitCount == 8) { /* RLE8 */ - while(j < uncompr_size && i < compr_size) { - if ( comprbuf[i] ) { - runlength = comprbuf[i++]; - while( runlength > 0 - && j < uncompr_size - && i < compr_size ) { - uncomprbuf[j++] = comprbuf[i]; - runlength--; - } - i++; - } else { - i++; - if (comprbuf[i] == 0) /* Next scanline */ - i++; - else if (comprbuf[i] == 1) /* End of image */ - break; - else if (comprbuf[i] == 2) { /* Move to... */ - i++; - if (i < compr_size - 1) { - j+=comprbuf[i]+comprbuf[i+1]*width; - i += 2; - } - else - break; - } else { /* Absolute mode */ - runlength = comprbuf[i++]; - for (k = 0; k < runlength && j < uncompr_size && i < compr_size; k++) - uncomprbuf[j++] = comprbuf[i++]; - if ( k & 0x01 ) - i++; - } - } - } - } - else { /* RLE4 */ - while( j < uncompr_size && i < compr_size ) { - if ( comprbuf[i] ) { - runlength = comprbuf[i++]; - while( runlength > 0 && j < uncompr_size && i < compr_size ) { - if ( runlength & 0x01 ) - uncomprbuf[j++] = (comprbuf[i] & 0xF0) >> 4; - else - uncomprbuf[j++] = comprbuf[i] & 0x0F; - runlength--; - } - i++; - } else { - i++; - if (comprbuf[i] == 0) /* Next scanline */ - i++; - else if (comprbuf[i] == 1) /* End of image */ - break; - else if (comprbuf[i] == 2) { /* Move to... */ - i++; - if (i < compr_size - 1) { - j+=comprbuf[i]+comprbuf[i+1]*width; - i += 2; - } - else - break; - } else { /* Absolute mode */ - runlength = comprbuf[i++]; - for (k = 0; k < runlength && j < uncompr_size && i < compr_size; k++) { - if (k & 0x01) - uncomprbuf[j++] = comprbuf[i++] & 0x0F; - else - uncomprbuf[j++] = (comprbuf[i] & 0xF0) >> 4; - } - if (k & 0x01) - i++; - } - } - } - } - - _TIFFfree(comprbuf); - - for (row = 0; row < length; row++) { - if (TIFFWriteScanline(out, - uncomprbuf + (length - row - 1) * width, - row, 0) < 0) { - TIFFError(infilename, - "scanline %lu: Write error.\n", - (unsigned long) row); - } - } - - _TIFFfree(uncomprbuf); - } - TIFFWriteDirectory(out); - if (blue_tbl) { - _TIFFfree(blue_tbl); - blue_tbl=NULL; - } - if (green_tbl) { - _TIFFfree(green_tbl); - green_tbl=NULL; - } - if (red_tbl) { - _TIFFfree(red_tbl); - red_tbl=NULL; - } - } - -bad3: - if (blue_tbl) - _TIFFfree(blue_tbl); -bad2: - if (green_tbl) - _TIFFfree(green_tbl); -bad1: - if (red_tbl) - _TIFFfree(red_tbl); -bad: - close(fd); - - if (out) - TIFFClose(out); - return 0; -} - -/* - * Image data in BMP file stored in BGR (or ABGR) format. We should rearrange - * pixels to RGB (RGBA) format. - */ -static void -rearrangePixels(char *buf, uint32 width, uint32 bit_count) -{ - char tmp; - uint32 i; - - switch(bit_count) { - case 16: /* FIXME: need a sample file */ - break; - case 24: - for (i = 0; i < width; i++, buf += 3) { - tmp = *buf; - *buf = *(buf + 2); - *(buf + 2) = tmp; - } - break; - case 32: - { - char *buf1 = buf; - - for (i = 0; i < width; i++, buf += 4) { - tmp = *buf; - *buf1++ = *(buf + 2); - *buf1++ = *(buf + 1); - *buf1++ = tmp; - } - } - break; - default: - break; - } -} - -static int -processCompressOptions(char* opt) -{ - if (strcmp(opt, "none") == 0) - compression = COMPRESSION_NONE; - else if (strcmp(opt, "packbits") == 0) - compression = COMPRESSION_PACKBITS; - else if (strncmp(opt, "jpeg", 4) == 0) { - char* cp = strchr(opt, ':'); - - compression = COMPRESSION_JPEG; - while( cp ) - { - if (isdigit((int)cp[1])) - quality = atoi(cp+1); - else if (cp[1] == 'r' ) - jpegcolormode = JPEGCOLORMODE_RAW; - else - usage(); - - cp = strchr(cp+1,':'); - } - } else if (strncmp(opt, "lzw", 3) == 0) { - char* cp = strchr(opt, ':'); - if (cp) - predictor = atoi(cp+1); - compression = COMPRESSION_LZW; - } else if (strncmp(opt, "zip", 3) == 0) { - char* cp = strchr(opt, ':'); - if (cp) - predictor = atoi(cp+1); - compression = COMPRESSION_DEFLATE; - } else - return (0); - return (1); -} - -static char* stuff[] = { -"bmp2tiff --- convert Windows BMP files to TIFF", -"usage: bmp2tiff [options] input.bmp [input2.bmp ...] output.tif", -"where options are:", -" -r # make each strip have no more than # rows", -"", -" -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 none use no compression algorithm on output", -"", -"JPEG options:", -" # set compression quality level (0-100, default 75)", -" r output color image as RGB rather than YCbCr", -"For example, -c jpeg:r: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", -" -o out.tif write output to out.tif", -" -h this help message", -NULL -}; - -static void -usage(void) -{ - char buf[BUFSIZ]; - int i; - - setbuf(stderr, buf); - fprintf(stderr, "%s\n\n", TIFFGetVersion()); - for (i = 0; stuff[i] != NULL; i++) - fprintf(stderr, "%s\n", stuff[i]); - exit(-1); -} - -/* vim: set ts=8 sts=8 sw=8 noet: */ -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ |