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Diffstat (limited to 'tiff/test/raw_decode.c')
| -rwxr-xr-x | tiff/test/raw_decode.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/tiff/test/raw_decode.c b/tiff/test/raw_decode.c deleted file mode 100755 index 6d31eab..0000000 --- a/tiff/test/raw_decode.c +++ /dev/null @@ -1,274 +0,0 @@ -/* $Id: raw_decode.c,v 1.5 2012-12-20 18:08:07 tgl Exp $ */ - -/* - * Copyright (c) 2012, Frank Warmerdam <warmerdam@pobox.com> - * - * 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. - */ - -/* - * TIFF Library - * - * The objective of this test suite is to test the JPEGRawDecode() - * interface via TIFReadEncodedTile(). This function with YCbCr subsampling - * is a frequent source of bugs. - */ - -#include "tif_config.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif - -#include "tiffio.h" - -#include "jpeglib.h" /* Needed for JPEG_LIB_VERSION */ - -static unsigned char cluster_0[] = { 0, 0, 2, 0, 138, 139 }; -static unsigned char cluster_64[] = { 0, 0, 9, 6, 134, 119 }; -static unsigned char cluster_128[] = { 44, 40, 63, 59, 230, 95 }; - -static int check_cluster( int cluster, unsigned char *buffer, unsigned char *expected_cluster ) { - unsigned char *target = buffer + cluster*6; - - if (memcmp(target, expected_cluster, 6) == 0) { - return 0; - } - - fprintf( stderr, "Cluster %d did not match expected results.\n", cluster ); - fprintf( stderr, - "Expect: %3d %3d %3d %3d\n" - " %3d %3d\n", - expected_cluster[0], expected_cluster[1], - expected_cluster[4], expected_cluster[5], - expected_cluster[2], expected_cluster[3] ); - fprintf( stderr, - " Got: %3d %3d %3d %3d\n" - " %3d %3d\n", - target[0], target[1], - target[4], target[5], - target[2], target[3] ); - return 1; -} - -static int check_rgb_pixel( int pixel, - int min_red, int max_red, - int min_green, int max_green, - int min_blue, int max_blue, - unsigned char *buffer ) { - unsigned char *rgb = buffer + 3 * pixel; - - if( rgb[0] >= min_red && rgb[0] <= max_red && - rgb[1] >= min_green && rgb[1] <= max_green && - rgb[2] >= min_blue && rgb[2] <= max_blue ) { - return 0; - } - - fprintf( stderr, "Pixel %d did not match expected results.\n", pixel ); - fprintf( stderr, "Got R=%d (expected %d..%d), G=%d (expected %d..%d), B=%d (expected %d..%d)\n", - rgb[0], min_red, max_red, - rgb[1], min_green, max_green, - rgb[2], min_blue, max_blue ); - return 1; -} - -static int check_rgba_pixel( int pixel, - int min_red, int max_red, - int min_green, int max_green, - int min_blue, int max_blue, - int min_alpha, int max_alpha, - uint32 *buffer ) { - /* RGBA images are upside down - adjust for normal ordering */ - int adjusted_pixel = pixel % 128 + (127 - (pixel/128)) * 128; - uint32 rgba = buffer[adjusted_pixel]; - - if( TIFFGetR(rgba) >= (uint32) min_red && - TIFFGetR(rgba) <= (uint32) max_red && - TIFFGetG(rgba) >= (uint32) min_green && - TIFFGetG(rgba) <= (uint32) max_green && - TIFFGetB(rgba) >= (uint32) min_blue && - TIFFGetB(rgba) <= (uint32) max_blue && - TIFFGetA(rgba) >= (uint32) min_alpha && - TIFFGetA(rgba) <= (uint32) max_alpha ) { - return 0; - } - - fprintf( stderr, "Pixel %d did not match expected results.\n", pixel ); - fprintf( stderr, "Got R=%d (expected %d..%d), G=%d (expected %d..%d), B=%d (expected %d..%d), A=%d (expected %d..%d)\n", - TIFFGetR(rgba), min_red, max_red, - TIFFGetG(rgba), min_green, max_green, - TIFFGetB(rgba), min_blue, max_blue, - TIFFGetA(rgba), min_alpha, max_alpha ); - return 1; -} - -int -main(int argc, char **argv) -{ - TIFF *tif; - static const char *srcfilerel = "images/quad-tile.jpg.tiff"; - char *srcdir = NULL; - char srcfile[1024]; - unsigned short h, v; - int status; - unsigned char *buffer; - uint32 *rgba_buffer; - tsize_t sz, szout; - unsigned int pixel_status = 0; - - (void) argc; - (void) argv; - - if ((srcdir = getenv("srcdir")) == NULL) { - srcdir = "."; - } - if ((strlen(srcdir) + 1 + strlen(srcfilerel)) >= sizeof(srcfile)) { - fprintf( stderr, "srcdir too long %s\n", srcdir); - exit( 1 ); - } - strcpy(srcfile,srcdir); - strcat(srcfile,"/"); - strcat(srcfile,srcfilerel); - - tif = TIFFOpen(srcfile,"r"); - if ( tif == NULL ) { - fprintf( stderr, "Could not open %s\n", srcfile); - exit( 1 ); - } - - status = TIFFGetField(tif,TIFFTAG_YCBCRSUBSAMPLING, &h, &v); - if ( status == 0 || h != 2 || v != 2) { - fprintf( stderr, "Could not retrieve subsampling tag.\n" ); - exit(1); - } - - /* - * What is the appropriate size of a YCbCr encoded tile? - */ - sz = TIFFTileSize(tif); - if( sz != 24576) { - fprintf(stderr, "tiles are %d bytes\n", (int)sz); - exit(1); - } - - buffer = (unsigned char *) malloc(sz); - - /* - * Read a tile in decompressed form, but still YCbCr subsampled. - */ - szout = TIFFReadEncodedTile(tif,9,buffer,sz); - if (szout != sz) { - fprintf( stderr, - "Did not get expected result code from TIFFReadEncodedTile()(%d instead of %d)\n", - (int) szout, (int) sz ); - return 1; - } - - if( check_cluster( 0, buffer, cluster_0 ) - || check_cluster( 64, buffer, cluster_64 ) - || check_cluster( 128, buffer, cluster_128 ) ) { - exit(1); - } - free(buffer); - - /* - * Read a tile using the built-in conversion to RGB format provided by the JPEG library. - */ - TIFFSetField(tif, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB); - - sz = TIFFTileSize(tif); - if( sz != 128*128*3) { - fprintf(stderr, "tiles are %d bytes\n", (int)sz); - exit(1); - } - - buffer = (unsigned char *) malloc(sz); - - szout = TIFFReadEncodedTile(tif,9,buffer,sz); - if (szout != sz) { - fprintf( stderr, - "Did not get expected result code from TIFFReadEncodedTile()(%d instead of %d)\n", - (int) szout, (int) sz ); - return 1; - } - - /* - * JPEG decoding is inherently inexact, so we can't test for exact - * pixel values. (Well, if we knew exactly which libjpeg version - * we were using, and with what settings, we could expect specific - * values ... but it's not worth the trouble to keep track of.) - * Hence, use ranges of expected values. The ranges may need to be - * widened over time as more versions of libjpeg appear. - */ - pixel_status |= check_rgb_pixel( 0, 15, 18, 0, 0, 18, 41, buffer ); - pixel_status |= check_rgb_pixel( 64, 0, 0, 0, 0, 0, 2, buffer ); - pixel_status |= check_rgb_pixel( 512, 5, 6, 34, 36, 182, 196, buffer ); - - free( buffer ); - - TIFFClose(tif); - - /* - * Reopen and test reading using the RGBA interface. - */ - tif = TIFFOpen(srcfile,"r"); - - sz = 128 * 128 * sizeof(uint32); - rgba_buffer = (uint32 *) malloc(sz); - - if (!TIFFReadRGBATile( tif, 1*128, 2*128, rgba_buffer )) { - fprintf( stderr, "TIFFReadRGBATile() returned failure code.\n" ); - return 1; - } - - /* - * Currently TIFFReadRGBATile() just uses JPEGCOLORMODE_RGB so this - * trivally matches the last results. Eventually we should actually - * accomplish it from the YCbCr subsampled buffer ourselves in which - * case the results may be subtly different but similar. - */ - pixel_status |= check_rgba_pixel( 0, 15, 18, 0, 0, 18, 41, 255, 255, - rgba_buffer ); - pixel_status |= check_rgba_pixel( 64, 0, 0, 0, 0, 0, 2, 255, 255, - rgba_buffer ); - pixel_status |= check_rgba_pixel( 512, 5, 6, 34, 36, 182, 196, 255, 255, - rgba_buffer ); - - free( rgba_buffer ); - TIFFClose(tif); - - if (pixel_status) { - exit(1); - } - - exit( 0 ); -} - -/* vim: set ts=8 sts=8 sw=8 noet: */ -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ |