Built SDL2_image and _mixer static
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libsdl2_image/external/tiff-4.0.9/test/raw_decode.c
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libsdl2_image/external/tiff-4.0.9/test/raw_decode.c
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/* $Id: raw_decode.c,v 1.7 2015-08-16 20:08:21 bfriesen Exp $ */
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/*
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* Copyright (c) 2012, Frank Warmerdam <warmerdam@pobox.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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/*
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* TIFF Library
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*
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* The objective of this test suite is to test the JPEGRawDecode()
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* interface via TIFReadEncodedTile(). This function with YCbCr subsampling
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* is a frequent source of bugs.
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*/
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#include "tif_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "tiffio.h"
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/*
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Libjpeg's jmorecfg.h defines INT16 and INT32, but only if XMD_H is
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not defined. Unfortunately, the MinGW and Borland compilers include
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a typedef for INT32, which causes a conflict. MSVC does not include
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a conficting typedef given the headers which are included.
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*/
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#if defined(__BORLANDC__) || defined(__MINGW32__)
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# define XMD_H 1
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#endif
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/*
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The windows RPCNDR.H file defines boolean, but defines it with the
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unsigned char size. You should compile JPEG library using appropriate
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definitions in jconfig.h header, but many users compile library in wrong
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way. That causes errors of the following type:
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"JPEGLib: JPEG parameter struct mismatch: library thinks size is 432,
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caller expects 464"
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For such users we wil fix the problem here. See install.doc file from
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the JPEG library distribution for details.
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*/
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/* Define "boolean" as unsigned char, not int, per Windows custom. */
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#if defined(__WIN32__) && !defined(__MINGW32__)
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# ifndef __RPCNDR_H__ /* don't conflict if rpcndr.h already read */
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typedef unsigned char boolean;
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# endif
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# define HAVE_BOOLEAN /* prevent jmorecfg.h from redefining it */
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#endif
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#include "jpeglib.h" /* Needed for JPEG_LIB_VERSION */
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static unsigned char cluster_0[] = { 0, 0, 2, 0, 138, 139 };
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static unsigned char cluster_64[] = { 0, 0, 9, 6, 134, 119 };
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static unsigned char cluster_128[] = { 44, 40, 63, 59, 230, 95 };
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static int check_cluster( int cluster, unsigned char *buffer, unsigned char *expected_cluster ) {
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unsigned char *target = buffer + cluster*6;
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if (memcmp(target, expected_cluster, 6) == 0) {
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return 0;
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}
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fprintf( stderr, "Cluster %d did not match expected results.\n", cluster );
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fprintf( stderr,
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"Expect: %3d %3d %3d %3d\n"
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" %3d %3d\n",
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expected_cluster[0], expected_cluster[1],
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expected_cluster[4], expected_cluster[5],
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expected_cluster[2], expected_cluster[3] );
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fprintf( stderr,
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" Got: %3d %3d %3d %3d\n"
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" %3d %3d\n",
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target[0], target[1],
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target[4], target[5],
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target[2], target[3] );
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return 1;
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}
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static int check_rgb_pixel( int pixel,
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int min_red, int max_red,
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int min_green, int max_green,
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int min_blue, int max_blue,
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unsigned char *buffer ) {
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unsigned char *rgb = buffer + 3 * pixel;
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if( rgb[0] >= min_red && rgb[0] <= max_red &&
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rgb[1] >= min_green && rgb[1] <= max_green &&
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rgb[2] >= min_blue && rgb[2] <= max_blue ) {
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return 0;
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}
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fprintf( stderr, "Pixel %d did not match expected results.\n", pixel );
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fprintf( stderr, "Got R=%d (expected %d..%d), G=%d (expected %d..%d), B=%d (expected %d..%d)\n",
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rgb[0], min_red, max_red,
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rgb[1], min_green, max_green,
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rgb[2], min_blue, max_blue );
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return 1;
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}
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static int check_rgba_pixel( int pixel,
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int min_red, int max_red,
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int min_green, int max_green,
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int min_blue, int max_blue,
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int min_alpha, int max_alpha,
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uint32 *buffer ) {
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/* RGBA images are upside down - adjust for normal ordering */
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int adjusted_pixel = pixel % 128 + (127 - (pixel/128)) * 128;
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uint32 rgba = buffer[adjusted_pixel];
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if( TIFFGetR(rgba) >= (uint32) min_red &&
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TIFFGetR(rgba) <= (uint32) max_red &&
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TIFFGetG(rgba) >= (uint32) min_green &&
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TIFFGetG(rgba) <= (uint32) max_green &&
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TIFFGetB(rgba) >= (uint32) min_blue &&
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TIFFGetB(rgba) <= (uint32) max_blue &&
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TIFFGetA(rgba) >= (uint32) min_alpha &&
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TIFFGetA(rgba) <= (uint32) max_alpha ) {
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return 0;
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}
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fprintf( stderr, "Pixel %d did not match expected results.\n", pixel );
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fprintf( stderr, "Got R=%d (expected %d..%d), G=%d (expected %d..%d), B=%d (expected %d..%d), A=%d (expected %d..%d)\n",
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TIFFGetR(rgba), min_red, max_red,
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TIFFGetG(rgba), min_green, max_green,
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TIFFGetB(rgba), min_blue, max_blue,
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TIFFGetA(rgba), min_alpha, max_alpha );
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return 1;
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}
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int
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main(int argc, char **argv)
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{
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TIFF *tif;
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static const char *srcfilerel = "images/quad-tile.jpg.tiff";
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char *srcdir = NULL;
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char srcfile[1024];
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unsigned short h, v;
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int status;
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unsigned char *buffer;
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uint32 *rgba_buffer;
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tsize_t sz, szout;
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unsigned int pixel_status = 0;
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(void) argc;
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(void) argv;
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if ((srcdir = getenv("srcdir")) == NULL) {
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srcdir = ".";
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}
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if ((strlen(srcdir) + 1 + strlen(srcfilerel)) >= sizeof(srcfile)) {
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fprintf( stderr, "srcdir too long %s\n", srcdir);
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exit( 1 );
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}
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strcpy(srcfile,srcdir);
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strcat(srcfile,"/");
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strcat(srcfile,srcfilerel);
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tif = TIFFOpen(srcfile,"r");
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if ( tif == NULL ) {
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fprintf( stderr, "Could not open %s\n", srcfile);
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exit( 1 );
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}
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status = TIFFGetField(tif,TIFFTAG_YCBCRSUBSAMPLING, &h, &v);
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if ( status == 0 || h != 2 || v != 2) {
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fprintf( stderr, "Could not retrieve subsampling tag.\n" );
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exit(1);
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}
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/*
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* What is the appropriate size of a YCbCr encoded tile?
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*/
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sz = TIFFTileSize(tif);
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if( sz != 24576) {
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fprintf(stderr, "tiles are %d bytes\n", (int)sz);
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exit(1);
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}
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buffer = (unsigned char *) malloc(sz);
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/*
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* Read a tile in decompressed form, but still YCbCr subsampled.
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*/
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szout = TIFFReadEncodedTile(tif,9,buffer,sz);
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if (szout != sz) {
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fprintf( stderr,
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"Did not get expected result code from TIFFReadEncodedTile()(%d instead of %d)\n",
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(int) szout, (int) sz );
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return 1;
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}
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if( check_cluster( 0, buffer, cluster_0 )
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|| check_cluster( 64, buffer, cluster_64 )
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|| check_cluster( 128, buffer, cluster_128 ) ) {
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exit(1);
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}
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free(buffer);
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/*
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* Read a tile using the built-in conversion to RGB format provided by the JPEG library.
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*/
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TIFFSetField(tif, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);
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sz = TIFFTileSize(tif);
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if( sz != 128*128*3) {
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fprintf(stderr, "tiles are %d bytes\n", (int)sz);
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exit(1);
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}
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buffer = (unsigned char *) malloc(sz);
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szout = TIFFReadEncodedTile(tif,9,buffer,sz);
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if (szout != sz) {
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fprintf( stderr,
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"Did not get expected result code from TIFFReadEncodedTile()(%d instead of %d)\n",
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(int) szout, (int) sz );
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return 1;
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}
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/*
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* JPEG decoding is inherently inexact, so we can't test for exact
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* pixel values. (Well, if we knew exactly which libjpeg version
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* we were using, and with what settings, we could expect specific
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* values ... but it's not worth the trouble to keep track of.)
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* Hence, use ranges of expected values. The ranges may need to be
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* widened over time as more versions of libjpeg appear.
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*/
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pixel_status |= check_rgb_pixel( 0, 15, 18, 0, 0, 18, 41, buffer );
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pixel_status |= check_rgb_pixel( 64, 0, 0, 0, 0, 0, 2, buffer );
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pixel_status |= check_rgb_pixel( 512, 5, 6, 34, 36, 182, 196, buffer );
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free( buffer );
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TIFFClose(tif);
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/*
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* Reopen and test reading using the RGBA interface.
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*/
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tif = TIFFOpen(srcfile,"r");
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sz = 128 * 128 * sizeof(uint32);
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rgba_buffer = (uint32 *) malloc(sz);
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if (!TIFFReadRGBATile( tif, 1*128, 2*128, rgba_buffer )) {
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fprintf( stderr, "TIFFReadRGBATile() returned failure code.\n" );
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return 1;
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}
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/*
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* Currently TIFFReadRGBATile() just uses JPEGCOLORMODE_RGB so this
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* trivally matches the last results. Eventually we should actually
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* accomplish it from the YCbCr subsampled buffer ourselves in which
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* case the results may be subtly different but similar.
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*/
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pixel_status |= check_rgba_pixel( 0, 15, 18, 0, 0, 18, 41, 255, 255,
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rgba_buffer );
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pixel_status |= check_rgba_pixel( 64, 0, 0, 0, 0, 0, 2, 255, 255,
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rgba_buffer );
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pixel_status |= check_rgba_pixel( 512, 5, 6, 34, 36, 182, 196, 255, 255,
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rgba_buffer );
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free( rgba_buffer );
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TIFFClose(tif);
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if (pixel_status) {
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exit(1);
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}
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exit( 0 );
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}
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/* vim: set ts=8 sts=8 sw=8 noet: */
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 8
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* fill-column: 78
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* End:
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*/
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