Andreas Dilger | 02ad0ef | 1997-01-17 01:34:35 -0600 | [diff] [blame] | 1 | |
Guy Schalnat | 4ee97b0 | 1996-01-16 01:51:56 -0600 | [diff] [blame] | 2 | /* pngtest.c - a simple test program to test libpng |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 3 | * |
Glenn Randers-Pehrson | 67ee8ce | 2011-12-22 08:21:00 -0600 | [diff] [blame] | 4 | * Last changed in libpng 1.6.0 [(PENDING RELEASE)] |
Glenn Randers-Pehrson | 1531bd6 | 2012-01-01 14:45:04 -0600 | [diff] [blame] | 5 | * Copyright (c) 1998-2012 Glenn Randers-Pehrson |
Glenn Randers-Pehrson | d436672 | 2000-06-04 14:29:29 -0500 | [diff] [blame] | 6 | * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) |
| 7 | * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 8 | * |
Glenn Randers-Pehrson | bfbf865 | 2009-06-26 21:46:52 -0500 | [diff] [blame] | 9 | * This code is released under the libpng license. |
Glenn Randers-Pehrson | c332bbc | 2009-06-25 13:43:50 -0500 | [diff] [blame] | 10 | * For conditions of distribution and use, see the disclaimer |
Glenn Randers-Pehrson | 037023b | 2009-06-24 10:27:36 -0500 | [diff] [blame] | 11 | * and license in png.h |
Glenn Randers-Pehrson | 3e61d79 | 2009-06-24 09:31:28 -0500 | [diff] [blame] | 12 | * |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 13 | * This program reads in a PNG image, writes it out again, and then |
| 14 | * compares the two files. If the files are identical, this shows that |
| 15 | * the basic chunk handling, filtering, and (de)compression code is working |
| 16 | * properly. It does not currently test all of the transforms, although |
| 17 | * it probably should. |
| 18 | * |
Glenn Randers-Pehrson | 345bc27 | 1998-06-14 14:43:31 -0500 | [diff] [blame] | 19 | * The program will report "FAIL" in certain legitimate cases: |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 20 | * 1) when the compression level or filter selection method is changed. |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 21 | * 2) when the maximum IDAT size (PNG_ZBUF_SIZE in pngconf.h) is not 8192. |
Glenn Randers-Pehrson | 5e5c1e1 | 2000-11-10 12:26:19 -0600 | [diff] [blame] | 22 | * 3) unknown unsafe-to-copy ancillary chunks or unknown critical chunks |
| 23 | * exist in the input file. |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 24 | * 4) others not listed here... |
| 25 | * In these cases, it is best to check with another tool such as "pngcheck" |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 26 | * to see what the differences between the two files are. |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 27 | * |
| 28 | * If a filename is given on the command-line, then this file is used |
| 29 | * for the input, rather than the default "pngtest.png". This allows |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 30 | * testing a wide variety of files easily. You can also test a number |
| 31 | * of files at once by typing "pngtest -m file1.png file2.png ..." |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 32 | */ |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 33 | |
Glenn Randers-Pehrson | b3b7168 | 2011-05-03 22:30:19 -0500 | [diff] [blame] | 34 | #define _POSIX_SOURCE 1 |
| 35 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 36 | #include <stdio.h> |
| 37 | #include <stdlib.h> |
| 38 | #include <string.h> |
| 39 | |
| 40 | /* Defined so I can write to a file on gui/windowing platforms */ |
| 41 | /* #define STDERR stderr */ |
| 42 | #define STDERR stdout /* For DOS */ |
| 43 | |
Glenn Randers-Pehrson | 5fea36f | 2004-07-28 08:20:44 -0500 | [diff] [blame] | 44 | #include "png.h" |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 45 | |
| 46 | #ifdef PNG_READ_SUPPORTED /* else nothing can be done */ |
| 47 | #include "zlib.h" |
Glenn Randers-Pehrson | 7253144 | 2010-04-17 08:17:51 -0500 | [diff] [blame] | 48 | /* Copied from pngpriv.h but only used in error messages below. */ |
| 49 | #ifndef PNG_ZBUF_SIZE |
| 50 | # define PNG_ZBUF_SIZE 8192 |
| 51 | #endif |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 52 | #define FCLOSE(file) fclose(file) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 53 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 54 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 55 | typedef FILE * png_FILE_p; |
Glenn Randers-Pehrson | be9de0f | 2001-01-22 08:52:16 -0600 | [diff] [blame] | 56 | #endif |
| 57 | |
Glenn Randers-Pehrson | c3cd22b | 2010-03-08 21:10:25 -0600 | [diff] [blame] | 58 | /* Makes pngtest verbose so we can find problems. */ |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 59 | #ifndef PNG_DEBUG |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 60 | # define PNG_DEBUG 0 |
| 61 | #endif |
| 62 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 63 | #if PNG_DEBUG > 1 |
| 64 | # define pngtest_debug(m) ((void)fprintf(stderr, m "\n")) |
| 65 | # define pngtest_debug1(m,p1) ((void)fprintf(stderr, m "\n", p1)) |
| 66 | # define pngtest_debug2(m,p1,p2) ((void)fprintf(stderr, m "\n", p1, p2)) |
| 67 | #else |
| 68 | # define pngtest_debug(m) ((void)0) |
| 69 | # define pngtest_debug1(m,p1) ((void)0) |
| 70 | # define pngtest_debug2(m,p1,p2) ((void)0) |
| 71 | #endif |
Glenn Randers-Pehrson | c3cd22b | 2010-03-08 21:10:25 -0600 | [diff] [blame] | 72 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 73 | #if !PNG_DEBUG |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 74 | # define SINGLE_ROWBUF_ALLOC /* Makes buffer overruns easier to nail */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 75 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 76 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 77 | /* Turn on CPU timing |
| 78 | #define PNGTEST_TIMING |
| 79 | */ |
| 80 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 81 | #ifndef PNG_FLOATING_POINT_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 82 | #undef PNGTEST_TIMING |
| 83 | #endif |
| 84 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 85 | #ifdef PNGTEST_TIMING |
| 86 | static float t_start, t_stop, t_decode, t_encode, t_misc; |
| 87 | #include <time.h> |
| 88 | #endif |
| 89 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 90 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | a5fa5c9 | 2008-09-06 07:06:22 -0500 | [diff] [blame] | 91 | #define PNG_tIME_STRING_LENGTH 29 |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 92 | static int tIME_chunk_present = 0; |
Glenn Randers-Pehrson | a5fa5c9 | 2008-09-06 07:06:22 -0500 | [diff] [blame] | 93 | static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 94 | #endif |
| 95 | |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 96 | static int verbose = 0; |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 97 | static int strict = 0; |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 98 | static int unsupported_chunks = 0; /* chunk unsupported by libpng in input */ |
| 99 | static int error_count = 0; /* count calls to png_error */ |
| 100 | static int warning_count = 0; /* count calls to png_warning */ |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 101 | |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 102 | #ifdef __TURBOC__ |
| 103 | #include <mem.h> |
| 104 | #endif |
| 105 | |
Glenn Randers-Pehrson | a7dbcba | 2007-05-15 16:16:34 -0500 | [diff] [blame] | 106 | /* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ |
| 107 | #ifndef png_jmpbuf |
| 108 | # define png_jmpbuf(png_ptr) png_ptr->jmpbuf |
| 109 | #endif |
| 110 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 111 | /* Defines for unknown chunk handling if required. */ |
| 112 | #ifndef PNG_HANDLE_CHUNK_ALWAYS |
| 113 | # define PNG_HANDLE_CHUNK_ALWAYS 3 |
| 114 | #endif |
| 115 | #ifndef PNG_HANDLE_CHUNK_IF_SAFE |
| 116 | # define PNG_HANDLE_CHUNK_IF_SAFE 2 |
| 117 | #endif |
| 118 | |
| 119 | /* Utility to save typing/errors, the argument must be a name */ |
| 120 | #define MEMZERO(var) ((void)memset(&var, 0, sizeof var)) |
| 121 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 122 | /* Example of using row callbacks to make a simple progress meter */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 123 | static int status_pass = 1; |
| 124 | static int status_dots_requested = 0; |
| 125 | static int status_dots = 1; |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 126 | |
John Bowler | 8fb6c6a | 2012-01-25 07:47:44 -0600 | [diff] [blame] | 127 | static void PNGCBAPI |
Glenn Randers-Pehrson | 7cd899c | 1998-03-07 16:17:42 -0600 | [diff] [blame] | 128 | read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 129 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 130 | if (png_ptr == NULL || row_number > PNG_UINT_31_MAX) |
| 131 | return; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 132 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 133 | if (status_pass != pass) |
| 134 | { |
| 135 | fprintf(stdout, "\n Pass %d: ", pass); |
| 136 | status_pass = pass; |
| 137 | status_dots = 31; |
| 138 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 139 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 140 | status_dots--; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 141 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 142 | if (status_dots == 0) |
| 143 | { |
| 144 | fprintf(stdout, "\n "); |
| 145 | status_dots=30; |
| 146 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 147 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 148 | fprintf(stdout, "r"); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 149 | } |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 150 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 151 | #ifdef PNG_WRITE_SUPPORTED |
John Bowler | 8fb6c6a | 2012-01-25 07:47:44 -0600 | [diff] [blame] | 152 | static void PNGCBAPI |
Glenn Randers-Pehrson | 7cd899c | 1998-03-07 16:17:42 -0600 | [diff] [blame] | 153 | write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 154 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 155 | if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7) |
| 156 | return; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 157 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 158 | fprintf(stdout, "w"); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 159 | } |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 160 | #endif |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 161 | |
| 162 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 163 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 164 | /* Example of using user transform callback (we don't transform anything, |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 165 | * but merely examine the row filters. We set this to 256 rather than |
| 166 | * 5 in case illegal filter values are present.) |
| 167 | */ |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 168 | static png_uint_32 filters_used[256]; |
John Bowler | 8fb6c6a | 2012-01-25 07:47:44 -0600 | [diff] [blame] | 169 | static void PNGCBAPI |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 170 | count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data) |
| 171 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 172 | if (png_ptr != NULL && row_info != NULL) |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 173 | ++filters_used[*(data - 1)]; |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 174 | } |
| 175 | #endif |
| 176 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 177 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 178 | /* Example of using user transform callback (we don't transform anything, |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 179 | * but merely count the zero samples) |
| 180 | */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 181 | |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 182 | static png_uint_32 zero_samples; |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 183 | |
John Bowler | 8fb6c6a | 2012-01-25 07:47:44 -0600 | [diff] [blame] | 184 | static void PNGCBAPI |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 185 | count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 186 | { |
| 187 | png_bytep dp = data; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 188 | if (png_ptr == NULL) |
| 189 | return; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 190 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 191 | /* Contents of row_info: |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 192 | * png_uint_32 width width of row |
| 193 | * png_uint_32 rowbytes number of bytes in row |
| 194 | * png_byte color_type color type of pixels |
| 195 | * png_byte bit_depth bit depth of samples |
| 196 | * png_byte channels number of channels (1-4) |
| 197 | * png_byte pixel_depth bits per pixel (depth*channels) |
| 198 | */ |
| 199 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 200 | /* Counts the number of zero samples (or zero pixels if color_type is 3 */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 201 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 202 | if (row_info->color_type == 0 || row_info->color_type == 3) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 203 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 204 | int pos = 0; |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 205 | png_uint_32 n, nstop; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 206 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 207 | for (n = 0, nstop=row_info->width; n<nstop; n++) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 208 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 209 | if (row_info->bit_depth == 1) |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 210 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 211 | if (((*dp << pos++ ) & 0x80) == 0) |
| 212 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 213 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 214 | if (pos == 8) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 215 | { |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 216 | pos = 0; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 217 | dp++; |
| 218 | } |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 219 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 220 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 221 | if (row_info->bit_depth == 2) |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 222 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 223 | if (((*dp << (pos+=2)) & 0xc0) == 0) |
| 224 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 225 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 226 | if (pos == 8) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 227 | { |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 228 | pos = 0; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 229 | dp++; |
| 230 | } |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 231 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 232 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 233 | if (row_info->bit_depth == 4) |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 234 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 235 | if (((*dp << (pos+=4)) & 0xf0) == 0) |
| 236 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 237 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 238 | if (pos == 8) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 239 | { |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 240 | pos = 0; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 241 | dp++; |
| 242 | } |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 243 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 244 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 245 | if (row_info->bit_depth == 8) |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 246 | if (*dp++ == 0) |
| 247 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 248 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 249 | if (row_info->bit_depth == 16) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 250 | { |
Glenn Randers-Pehrson | d8eb62f | 2009-05-30 20:19:20 -0500 | [diff] [blame] | 251 | if ((*dp | *(dp+1)) == 0) |
| 252 | zero_samples++; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 253 | dp+=2; |
| 254 | } |
| 255 | } |
| 256 | } |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 257 | else /* Other color types */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 258 | { |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 259 | png_uint_32 n, nstop; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 260 | int channel; |
| 261 | int color_channels = row_info->channels; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 262 | if (row_info->color_type > 3)color_channels--; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 263 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 264 | for (n = 0, nstop=row_info->width; n<nstop; n++) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 265 | { |
| 266 | for (channel = 0; channel < color_channels; channel++) |
| 267 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 268 | if (row_info->bit_depth == 8) |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 269 | if (*dp++ == 0) |
| 270 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 271 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 272 | if (row_info->bit_depth == 16) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 273 | { |
Glenn Randers-Pehrson | d8eb62f | 2009-05-30 20:19:20 -0500 | [diff] [blame] | 274 | if ((*dp | *(dp+1)) == 0) |
| 275 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 276 | |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 277 | dp+=2; |
| 278 | } |
| 279 | } |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 280 | if (row_info->color_type > 3) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 281 | { |
| 282 | dp++; |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 283 | if (row_info->bit_depth == 16) |
| 284 | dp++; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 285 | } |
| 286 | } |
| 287 | } |
| 288 | } |
Glenn Randers-Pehrson | 38d73af | 1998-03-07 21:30:44 -0600 | [diff] [blame] | 289 | #endif /* PNG_WRITE_USER_TRANSFORM_SUPPORTED */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 290 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 291 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 292 | /* START of code to validate stdio-free compilation */ |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 293 | /* These copies of the default read/write functions come from pngrio.c and |
| 294 | * pngwio.c. They allow "don't include stdio" testing of the library. |
| 295 | * This is the function that does the actual reading of data. If you are |
| 296 | * not reading from a standard C stream, you should create a replacement |
| 297 | * read_data function and use it at run time with png_set_read_fn(), rather |
| 298 | * than changing the library. |
| 299 | */ |
Glenn Randers-Pehrson | be9de0f | 2001-01-22 08:52:16 -0600 | [diff] [blame] | 300 | |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 301 | #ifdef PNG_IO_STATE_SUPPORTED |
| 302 | void |
| 303 | pngtest_check_io_state(png_structp png_ptr, png_size_t data_length, |
| 304 | png_uint_32 io_op); |
| 305 | void |
| 306 | pngtest_check_io_state(png_structp png_ptr, png_size_t data_length, |
| 307 | png_uint_32 io_op) |
| 308 | { |
| 309 | png_uint_32 io_state = png_get_io_state(png_ptr); |
| 310 | int err = 0; |
| 311 | |
| 312 | /* Check if the current operation (reading / writing) is as expected. */ |
| 313 | if ((io_state & PNG_IO_MASK_OP) != io_op) |
| 314 | png_error(png_ptr, "Incorrect operation in I/O state"); |
| 315 | |
| 316 | /* Check if the buffer size specific to the current location |
| 317 | * (file signature / header / data / crc) is as expected. |
| 318 | */ |
| 319 | switch (io_state & PNG_IO_MASK_LOC) |
| 320 | { |
| 321 | case PNG_IO_SIGNATURE: |
| 322 | if (data_length > 8) |
| 323 | err = 1; |
| 324 | break; |
| 325 | case PNG_IO_CHUNK_HDR: |
| 326 | if (data_length != 8) |
| 327 | err = 1; |
| 328 | break; |
| 329 | case PNG_IO_CHUNK_DATA: |
| 330 | break; /* no restrictions here */ |
| 331 | case PNG_IO_CHUNK_CRC: |
| 332 | if (data_length != 4) |
| 333 | err = 1; |
| 334 | break; |
| 335 | default: |
| 336 | err = 1; /* uninitialized */ |
| 337 | } |
| 338 | if (err) |
| 339 | png_error(png_ptr, "Bad I/O state or buffer size"); |
| 340 | } |
| 341 | #endif |
| 342 | |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 343 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 344 | pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 345 | { |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 346 | png_size_t check = 0; |
| 347 | png_voidp io_ptr; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 348 | |
| 349 | /* fread() returns 0 on error, so it is OK to store this in a png_size_t |
| 350 | * instead of an int, which is what fread() actually returns. |
| 351 | */ |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 352 | io_ptr = png_get_io_ptr(png_ptr); |
| 353 | if (io_ptr != NULL) |
| 354 | { |
| 355 | check = fread(data, 1, length, (png_FILE_p)io_ptr); |
| 356 | } |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 357 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 358 | if (check != length) |
| 359 | { |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 360 | png_error(png_ptr, "Read Error"); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 361 | } |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 362 | |
| 363 | #ifdef PNG_IO_STATE_SUPPORTED |
| 364 | pngtest_check_io_state(png_ptr, length, PNG_IO_READING); |
| 365 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 366 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 367 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 368 | #ifdef PNG_WRITE_FLUSH_SUPPORTED |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 369 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 370 | pngtest_flush(png_structp png_ptr) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 371 | { |
Glenn Randers-Pehrson | 8fb550c | 2009-03-21 08:15:32 -0500 | [diff] [blame] | 372 | /* Do nothing; fflush() is said to be just a waste of energy. */ |
Glenn Randers-Pehrson | d546f43 | 2010-12-04 20:41:36 -0600 | [diff] [blame] | 373 | PNG_UNUSED(png_ptr) /* Stifle compiler warning */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 374 | } |
| 375 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 376 | |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 377 | /* This is the function that does the actual writing of data. If you are |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 378 | * not writing to a standard C stream, you should create a replacement |
| 379 | * write_data function and use it at run time with png_set_write_fn(), rather |
| 380 | * than changing the library. |
| 381 | */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 382 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 383 | pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 384 | { |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 385 | png_size_t check; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 386 | |
Glenn Randers-Pehrson | 526a6ad | 2010-03-11 05:42:20 -0600 | [diff] [blame] | 387 | check = fwrite(data, 1, length, (png_FILE_p)png_get_io_ptr(png_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 388 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 389 | if (check != length) |
| 390 | { |
| 391 | png_error(png_ptr, "Write Error"); |
| 392 | } |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 393 | |
| 394 | #ifdef PNG_IO_STATE_SUPPORTED |
| 395 | pngtest_check_io_state(png_ptr, length, PNG_IO_WRITING); |
| 396 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 397 | } |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 398 | |
| 399 | /* This function is called when there is a warning, but the library thinks |
| 400 | * it can continue anyway. Replacement functions don't have to do anything |
| 401 | * here if you don't want to. In the default configuration, png_ptr is |
| 402 | * not used, but it is passed in case it may be useful. |
| 403 | */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 404 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 405 | pngtest_warning(png_structp png_ptr, png_const_charp message) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 406 | { |
| 407 | PNG_CONST char *name = "UNKNOWN (ERROR!)"; |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 408 | char *test; |
| 409 | test = png_get_error_ptr(png_ptr); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 410 | |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 411 | ++warning_count; |
| 412 | |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 413 | if (test == NULL) |
| 414 | fprintf(STDERR, "%s: libpng warning: %s\n", name, message); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 415 | |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 416 | else |
| 417 | fprintf(STDERR, "%s: libpng warning: %s\n", test, message); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | /* This is the default error handling function. Note that replacements for |
| 421 | * this function MUST NOT RETURN, or the program will likely crash. This |
| 422 | * function is used by default, or if the program supplies NULL for the |
| 423 | * error function pointer in png_set_error_fn(). |
| 424 | */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 425 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 426 | pngtest_error(png_structp png_ptr, png_const_charp message) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 427 | { |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 428 | ++error_count; |
| 429 | |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 430 | pngtest_warning(png_ptr, message); |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 431 | /* We can return because png_error calls the default handler, which is |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 432 | * actually OK in this case. |
| 433 | */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 434 | } |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 435 | #endif /* !PNG_STDIO_SUPPORTED */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 436 | /* END of code to validate stdio-free compilation */ |
| 437 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 438 | /* START of code to validate memory allocation and deallocation */ |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 439 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 440 | |
| 441 | /* Allocate memory. For reasonable files, size should never exceed |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 442 | * 64K. However, zlib may allocate more then 64K if you don't tell |
| 443 | * it not to. See zconf.h and png.h for more information. zlib does |
| 444 | * need to allocate exactly 64K, so whatever you call here must |
| 445 | * have the ability to do that. |
| 446 | * |
| 447 | * This piece of code can be compiled to validate max 64K allocations |
| 448 | * by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K. |
| 449 | */ |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 450 | typedef struct memory_information |
| 451 | { |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 452 | png_alloc_size_t size; |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 453 | png_voidp pointer; |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 454 | struct memory_information *next; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 455 | } memory_information; |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 456 | typedef memory_information *memory_infop; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 457 | |
| 458 | static memory_infop pinformation = NULL; |
| 459 | static int current_allocation = 0; |
| 460 | static int maximum_allocation = 0; |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 461 | static int total_allocation = 0; |
| 462 | static int num_allocations = 0; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 463 | |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 464 | png_voidp PNGCBAPI png_debug_malloc PNGARG((png_structp png_ptr, |
| 465 | png_alloc_size_t size)); |
| 466 | void PNGCBAPI png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr)); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 467 | |
| 468 | png_voidp |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 469 | PNGCBAPI png_debug_malloc(png_structp png_ptr, png_alloc_size_t size) |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 470 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 471 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 472 | /* png_malloc has already tested for NULL; png_create_struct calls |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 473 | * png_debug_malloc directly, with png_ptr == NULL which is OK |
| 474 | */ |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 475 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 476 | if (size == 0) |
Glenn Randers-Pehrson | 3f54925 | 2001-10-27 07:35:13 -0500 | [diff] [blame] | 477 | return (NULL); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 478 | |
| 479 | /* This calls the library allocator twice, once to get the requested |
| 480 | buffer and once to get a new free list entry. */ |
| 481 | { |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 482 | /* Disable malloc_fn and free_fn */ |
Glenn Randers-Pehrson | 36d7bc7 | 2004-08-10 06:55:02 -0500 | [diff] [blame] | 483 | memory_infop pinfo; |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 484 | png_set_mem_fn(png_ptr, NULL, NULL, NULL); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 485 | pinfo = (memory_infop)png_malloc(png_ptr, |
Glenn Randers-Pehrson | 432c174 | 2012-08-09 20:14:48 -0500 | [diff] [blame] | 486 | (sizeof *pinfo)); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 487 | pinfo->size = size; |
| 488 | current_allocation += size; |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 489 | total_allocation += size; |
| 490 | num_allocations ++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 491 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 492 | if (current_allocation > maximum_allocation) |
| 493 | maximum_allocation = current_allocation; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 494 | |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 495 | pinfo->pointer = png_malloc(png_ptr, size); |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 496 | /* Restore malloc_fn and free_fn */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 497 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 498 | png_set_mem_fn(png_ptr, |
| 499 | NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 500 | |
Glenn Randers-Pehrson | 272489d | 2004-08-04 06:34:52 -0500 | [diff] [blame] | 501 | if (size != 0 && pinfo->pointer == NULL) |
| 502 | { |
| 503 | current_allocation -= size; |
| 504 | total_allocation -= size; |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 505 | png_error(png_ptr, |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 506 | "out of memory in pngtest->png_debug_malloc"); |
Glenn Randers-Pehrson | 272489d | 2004-08-04 06:34:52 -0500 | [diff] [blame] | 507 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 508 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 509 | pinfo->next = pinformation; |
| 510 | pinformation = pinfo; |
| 511 | /* Make sure the caller isn't assuming zeroed memory. */ |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 512 | memset(pinfo->pointer, 0xdd, pinfo->size); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 513 | |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 514 | if (verbose) |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 515 | printf("png_malloc %lu bytes at %p\n", (unsigned long)size, |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 516 | pinfo->pointer); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 517 | |
Glenn Randers-Pehrson | 0f881d6 | 1998-02-07 10:20:57 -0600 | [diff] [blame] | 518 | return (png_voidp)(pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 519 | } |
| 520 | } |
| 521 | |
| 522 | /* Free a pointer. It is removed from the list at the same time. */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 523 | void PNGCBAPI |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 524 | png_debug_free(png_structp png_ptr, png_voidp ptr) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 525 | { |
| 526 | if (png_ptr == NULL) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 527 | fprintf(STDERR, "NULL pointer to png_debug_free.\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 528 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 529 | if (ptr == 0) |
| 530 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 531 | #if 0 /* This happens all the time. */ |
| 532 | fprintf(STDERR, "WARNING: freeing NULL pointer\n"); |
| 533 | #endif |
| 534 | return; |
| 535 | } |
| 536 | |
| 537 | /* Unlink the element from the list. */ |
| 538 | { |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 539 | memory_infop *ppinfo = &pinformation; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 540 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 541 | for (;;) |
| 542 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 543 | memory_infop pinfo = *ppinfo; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 544 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 545 | if (pinfo->pointer == ptr) |
| 546 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 547 | *ppinfo = pinfo->next; |
| 548 | current_allocation -= pinfo->size; |
| 549 | if (current_allocation < 0) |
| 550 | fprintf(STDERR, "Duplicate free of memory\n"); |
| 551 | /* We must free the list element too, but first kill |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 552 | the memory that is to be freed. */ |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 553 | memset(ptr, 0x55, pinfo->size); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 554 | png_free_default(png_ptr, pinfo); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 555 | pinfo = NULL; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 556 | break; |
| 557 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 558 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 559 | if (pinfo->next == NULL) |
| 560 | { |
Glenn Randers-Pehrson | b182893 | 2001-06-23 08:03:17 -0500 | [diff] [blame] | 561 | fprintf(STDERR, "Pointer %x not found\n", (unsigned int)ptr); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 562 | break; |
| 563 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 564 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 565 | ppinfo = &pinfo->next; |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | /* Finally free the data. */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 570 | if (verbose) |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 571 | printf("Freeing %p\n", ptr); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 572 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 573 | png_free_default(png_ptr, ptr); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 574 | ptr = NULL; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 575 | } |
Glenn Randers-Pehrson | d029a75 | 2004-08-09 21:50:32 -0500 | [diff] [blame] | 576 | #endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */ |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 577 | /* END of code to test memory allocation/deallocation */ |
| 578 | |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 579 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 580 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 581 | /* Demonstration of user chunk support of the sTER and vpAg chunks */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 582 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 583 | /* (sTER is a public chunk not yet known by libpng. vpAg is a private |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 584 | chunk used in ImageMagick to store "virtual page" size). */ |
| 585 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 586 | static struct user_chunk_data |
| 587 | { |
| 588 | png_const_infop info_ptr; |
| 589 | png_uint_32 vpAg_width, vpAg_height; |
| 590 | png_byte vpAg_units; |
| 591 | png_byte sTER_mode; |
| 592 | int location[2]; |
| 593 | } |
| 594 | user_chunk_data; |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 595 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 596 | /* Used for location and order; zero means nothing. */ |
| 597 | #define have_sTER 0x01 |
| 598 | #define have_vpAg 0x02 |
| 599 | #define before_PLTE 0x10 |
| 600 | #define before_IDAT 0x20 |
| 601 | #define after_IDAT 0x40 |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 602 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 603 | static void |
| 604 | init_callback_info(png_const_infop info_ptr) |
| 605 | { |
| 606 | MEMZERO(user_chunk_data); |
| 607 | user_chunk_data.info_ptr = info_ptr; |
| 608 | } |
| 609 | |
| 610 | static int |
| 611 | set_location(png_structp png_ptr, struct user_chunk_data *data, int what) |
| 612 | { |
| 613 | int location; |
| 614 | |
| 615 | if ((data->location[0] & what) || (data->location[1] & what)) |
| 616 | return 0; /* already have one of these */ |
| 617 | |
| 618 | /* Find where we are (the code below zeros info_ptr to indicate that the |
| 619 | * chunks before the first IDAT have been read.) |
| 620 | */ |
| 621 | if (data->info_ptr == NULL) /* after IDAT */ |
| 622 | location = what | after_IDAT; |
| 623 | |
| 624 | else if (png_get_valid(png_ptr, data->info_ptr, PNG_INFO_PLTE)) |
| 625 | location = what | before_IDAT; |
| 626 | |
| 627 | else |
| 628 | location = what | before_PLTE; |
| 629 | |
| 630 | if (data->location[0] == 0) |
| 631 | data->location[0] = location; |
| 632 | |
| 633 | else |
| 634 | data->location[1] = location; |
| 635 | |
| 636 | return 1; /* handled */ |
| 637 | } |
| 638 | |
Glenn Randers-Pehrson | eae8e36 | 2010-03-12 17:36:53 -0600 | [diff] [blame] | 639 | static int PNGCBAPI read_user_chunk_callback(png_struct *png_ptr, |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 640 | png_unknown_chunkp chunk) |
| 641 | { |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 642 | struct user_chunk_data *my_user_chunk_data = |
| 643 | (struct user_chunk_data*)png_get_user_chunk_ptr(png_ptr); |
| 644 | |
| 645 | if (my_user_chunk_data == NULL) |
| 646 | png_error(png_ptr, "lost user chunk pointer"); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 647 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 648 | /* Return one of the following: |
| 649 | * return (-n); chunk had an error |
| 650 | * return (0); did not recognize |
| 651 | * return (n); success |
| 652 | * |
| 653 | * The unknown chunk structure contains the chunk data: |
| 654 | * png_byte name[5]; |
| 655 | * png_byte *data; |
| 656 | * png_size_t size; |
| 657 | * |
| 658 | * Note that libpng has already taken care of the CRC handling. |
| 659 | */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 660 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 661 | if (chunk->name[0] == 115 && chunk->name[1] == 84 && /* s T */ |
| 662 | chunk->name[2] == 69 && chunk->name[3] == 82) /* E R */ |
| 663 | { |
| 664 | /* Found sTER chunk */ |
| 665 | if (chunk->size != 1) |
| 666 | return (-1); /* Error return */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 667 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 668 | if (chunk->data[0] != 0 && chunk->data[0] != 1) |
| 669 | return (-1); /* Invalid mode */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 670 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 671 | if (set_location(png_ptr, my_user_chunk_data, have_sTER)) |
| 672 | { |
| 673 | my_user_chunk_data->sTER_mode=chunk->data[0]; |
| 674 | return (1); |
| 675 | } |
| 676 | |
| 677 | else |
| 678 | return (0); /* duplicate sTER - give it to libpng */ |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 679 | } |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 680 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 681 | if (chunk->name[0] != 118 || chunk->name[1] != 112 || /* v p */ |
| 682 | chunk->name[2] != 65 || chunk->name[3] != 103) /* A g */ |
| 683 | return (0); /* Did not recognize */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 684 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 685 | /* Found ImageMagick vpAg chunk */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 686 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 687 | if (chunk->size != 9) |
| 688 | return (-1); /* Error return */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 689 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 690 | if (!set_location(png_ptr, my_user_chunk_data, have_vpAg)) |
| 691 | return (0); /* duplicate vpAg */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 692 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 693 | my_user_chunk_data->vpAg_width = png_get_uint_31(png_ptr, chunk->data); |
| 694 | my_user_chunk_data->vpAg_height = png_get_uint_31(png_ptr, chunk->data + 4); |
| 695 | my_user_chunk_data->vpAg_units = chunk->data[8]; |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 696 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 697 | return (1); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 698 | } |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 699 | |
| 700 | #ifdef PNG_WRITE_SUPPORTED |
| 701 | static void |
| 702 | write_sTER_chunk(png_structp write_ptr) |
| 703 | { |
| 704 | png_byte png_sTER[5] = {115, 84, 69, 82, '\0'}; |
| 705 | |
| 706 | if (verbose) |
| 707 | fprintf(STDERR, "\n stereo mode = %d\n", user_chunk_data.sTER_mode); |
| 708 | |
| 709 | png_write_chunk(write_ptr, png_sTER, &user_chunk_data.sTER_mode, 1); |
| 710 | } |
| 711 | |
| 712 | static void |
| 713 | write_vpAg_chunk(png_structp write_ptr) |
| 714 | { |
| 715 | png_byte png_vpAg[5] = {118, 112, 65, 103, '\0'}; |
| 716 | |
| 717 | png_byte vpag_chunk_data[9]; |
| 718 | |
| 719 | if (verbose) |
| 720 | fprintf(STDERR, " vpAg = %lu x %lu, units = %d\n", |
| 721 | (unsigned long)user_chunk_data.vpAg_width, |
| 722 | (unsigned long)user_chunk_data.vpAg_height, |
| 723 | user_chunk_data.vpAg_units); |
| 724 | |
| 725 | png_save_uint_32(vpag_chunk_data, user_chunk_data.vpAg_width); |
| 726 | png_save_uint_32(vpag_chunk_data + 4, user_chunk_data.vpAg_height); |
| 727 | vpag_chunk_data[8] = user_chunk_data.vpAg_units; |
| 728 | png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9); |
| 729 | } |
| 730 | |
| 731 | static void |
| 732 | write_chunks(png_structp write_ptr, int location) |
| 733 | { |
| 734 | int i; |
| 735 | |
| 736 | /* Notice that this preserves the original chunk order, however chunks |
| 737 | * intercepted by the callback will be written *after* chunks passed to |
| 738 | * libpng. This will actually reverse a pair of sTER chunks or a pair of |
| 739 | * vpAg chunks, resulting in an error later. This is not worth worrying |
| 740 | * about - the chunks should not be duplicated! |
| 741 | */ |
| 742 | for (i=0; i<2; ++i) |
| 743 | { |
| 744 | if (user_chunk_data.location[i] == (location | have_sTER)) |
| 745 | write_sTER_chunk(write_ptr); |
| 746 | |
| 747 | else if (user_chunk_data.location[i] == (location | have_vpAg)) |
| 748 | write_vpAg_chunk(write_ptr); |
| 749 | } |
| 750 | } |
| 751 | #endif /* PNG_WRITE_SUPPORTED */ |
| 752 | #else /* !PNG_READ_USER_CHUNKS_SUPPORTED */ |
| 753 | # define write_chunks(pp,loc) ((void)0) |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 754 | #endif |
| 755 | /* END of code to demonstrate user chunk support */ |
| 756 | |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 757 | /* START of code to check that libpng has the required text support; this only |
| 758 | * checks for the write support because if read support is missing the chunk |
| 759 | * will simply not be reported back to pngtest. |
| 760 | */ |
| 761 | #ifdef PNG_TEXT_SUPPORTED |
| 762 | static void |
| 763 | pngtest_check_text_support(png_const_structp png_ptr, png_textp text_ptr, |
| 764 | int num_text) |
| 765 | { |
| 766 | while (num_text > 0) |
| 767 | { |
| 768 | switch (text_ptr[--num_text].compression) |
| 769 | { |
| 770 | case PNG_TEXT_COMPRESSION_NONE: |
| 771 | break; |
| 772 | |
| 773 | case PNG_TEXT_COMPRESSION_zTXt: |
| 774 | # ifndef PNG_WRITE_zTXt_SUPPORTED |
| 775 | ++unsupported_chunks; |
| 776 | # endif |
| 777 | break; |
| 778 | |
| 779 | case PNG_ITXT_COMPRESSION_NONE: |
| 780 | case PNG_ITXT_COMPRESSION_zTXt: |
| 781 | # ifndef PNG_WRITE_iTXt_SUPPORTED |
| 782 | ++unsupported_chunks; |
| 783 | # endif |
| 784 | break; |
| 785 | |
| 786 | default: |
| 787 | /* This is an error */ |
| 788 | png_error(png_ptr, "invalid text chunk compression field"); |
| 789 | break; |
| 790 | } |
| 791 | } |
| 792 | } |
| 793 | #endif |
| 794 | /* END of code to check that libpng has the required text support */ |
| 795 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 796 | /* Test one file */ |
John Bowler | 8fb6c6a | 2012-01-25 07:47:44 -0600 | [diff] [blame] | 797 | static int |
Glenn Randers-Pehrson | 7cd899c | 1998-03-07 16:17:42 -0600 | [diff] [blame] | 798 | test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 799 | { |
Glenn Randers-Pehrson | 316f97a | 2000-07-08 13:19:41 -0500 | [diff] [blame] | 800 | static png_FILE_p fpin; |
| 801 | static png_FILE_p fpout; /* "static" prevents setjmp corruption */ |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 802 | png_structp read_ptr; |
| 803 | png_infop read_info_ptr, end_info_ptr; |
| 804 | #ifdef PNG_WRITE_SUPPORTED |
| 805 | png_structp write_ptr; |
| 806 | png_infop write_info_ptr; |
| 807 | png_infop write_end_info_ptr; |
| 808 | #else |
| 809 | png_structp write_ptr = NULL; |
| 810 | png_infop write_info_ptr = NULL; |
| 811 | png_infop write_end_info_ptr = NULL; |
| 812 | #endif |
Guy Schalnat | b2e01bd | 1996-01-26 01:38:47 -0600 | [diff] [blame] | 813 | png_bytep row_buf; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 814 | png_uint_32 y; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 815 | png_uint_32 width, height; |
| 816 | int num_pass, pass; |
| 817 | int bit_depth, color_type; |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 818 | |
Glenn Randers-Pehrson | 3f54925 | 2001-10-27 07:35:13 -0500 | [diff] [blame] | 819 | row_buf = NULL; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 820 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 821 | if ((fpin = fopen(inname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 822 | { |
| 823 | fprintf(STDERR, "Could not find input file %s\n", inname); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 824 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 825 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 826 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 827 | if ((fpout = fopen(outname, "wb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 828 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 829 | fprintf(STDERR, "Could not open output file %s\n", outname); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 830 | FCLOSE(fpin); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 831 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 832 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 833 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 834 | pngtest_debug("Allocating read and write structures"); |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 835 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 836 | read_ptr = |
| 837 | png_create_read_struct_2(PNG_LIBPNG_VER_STRING, NULL, |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 838 | NULL, NULL, NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 839 | #else |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 840 | read_ptr = |
| 841 | png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 842 | #endif |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 843 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 844 | png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error, |
| 845 | pngtest_warning); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 846 | #endif |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 847 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 848 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 849 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 850 | write_ptr = |
| 851 | png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, |
| 852 | NULL, NULL, NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 853 | #else |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 854 | write_ptr = |
| 855 | png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 856 | #endif |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 857 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 858 | png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error, |
| 859 | pngtest_warning); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 860 | #endif |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 861 | #endif |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 862 | pngtest_debug("Allocating read_info, write_info and end_info structures"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 863 | read_info_ptr = png_create_info_struct(read_ptr); |
Glenn Randers-Pehrson | 1fd5fb3 | 2001-05-06 05:34:26 -0500 | [diff] [blame] | 864 | end_info_ptr = png_create_info_struct(read_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 865 | #ifdef PNG_WRITE_SUPPORTED |
| 866 | write_info_ptr = png_create_info_struct(write_ptr); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 867 | write_end_info_ptr = png_create_info_struct(write_ptr); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 868 | #endif |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 869 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 870 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
| 871 | init_callback_info(read_info_ptr); |
| 872 | png_set_read_user_chunk_fn(read_ptr, &user_chunk_data, |
| 873 | read_user_chunk_callback); |
| 874 | #endif |
| 875 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 876 | #ifdef PNG_SETJMP_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 877 | pngtest_debug("Setting jmpbuf for read struct"); |
Glenn Randers-Pehrson | 520a764 | 2000-03-21 05:13:06 -0600 | [diff] [blame] | 878 | if (setjmp(png_jmpbuf(read_ptr))) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 879 | { |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 880 | fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 881 | png_free(read_ptr, row_buf); |
| 882 | row_buf = NULL; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 883 | png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 884 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 885 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 886 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 887 | #endif |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 888 | FCLOSE(fpin); |
| 889 | FCLOSE(fpout); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 890 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 891 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 892 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 893 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 894 | pngtest_debug("Setting jmpbuf for write struct"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 895 | |
Glenn Randers-Pehrson | 520a764 | 2000-03-21 05:13:06 -0600 | [diff] [blame] | 896 | if (setjmp(png_jmpbuf(write_ptr))) |
Guy Schalnat | b2e01bd | 1996-01-26 01:38:47 -0600 | [diff] [blame] | 897 | { |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 898 | fprintf(STDERR, "%s -> %s: libpng write error\n", inname, outname); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 899 | png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 900 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 901 | #ifdef PNG_WRITE_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 902 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 903 | #endif |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 904 | FCLOSE(fpin); |
| 905 | FCLOSE(fpout); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 906 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 907 | } |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 908 | #endif |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 909 | #endif |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 910 | |
Glenn Randers-Pehrson | 35f2e17 | 2012-03-10 19:42:03 -0600 | [diff] [blame] | 911 | if (strict) |
| 912 | { |
| 913 | /* Treat png_benign_error() as errors on read */ |
| 914 | png_set_benign_errors(read_ptr, 0); |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 915 | |
| 916 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 35f2e17 | 2012-03-10 19:42:03 -0600 | [diff] [blame] | 917 | /* Treat them as errors on write */ |
| 918 | png_set_benign_errors(write_ptr, 0); |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 919 | #endif |
Glenn Randers-Pehrson | 35f2e17 | 2012-03-10 19:42:03 -0600 | [diff] [blame] | 920 | |
| 921 | /* if strict is not set, then both are treated as warnings. */ |
| 922 | } |
| 923 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 924 | pngtest_debug("Initializing input and output streams"); |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 925 | #ifdef PNG_STDIO_SUPPORTED |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 926 | png_init_io(read_ptr, fpin); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 927 | # ifdef PNG_WRITE_SUPPORTED |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 928 | png_init_io(write_ptr, fpout); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 929 | # endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 930 | #else |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 931 | png_set_read_fn(read_ptr, (png_voidp)fpin, pngtest_read_data); |
Glenn Randers-Pehrson | 8b6a889 | 2001-05-18 04:54:50 -0500 | [diff] [blame] | 932 | # ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 933 | png_set_write_fn(write_ptr, (png_voidp)fpout, pngtest_write_data, |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 934 | # ifdef PNG_WRITE_FLUSH_SUPPORTED |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 935 | pngtest_flush); |
Glenn Randers-Pehrson | 8b6a889 | 2001-05-18 04:54:50 -0500 | [diff] [blame] | 936 | # else |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 937 | NULL); |
Glenn Randers-Pehrson | 8b6a889 | 2001-05-18 04:54:50 -0500 | [diff] [blame] | 938 | # endif |
| 939 | # endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 940 | #endif |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 941 | |
John Bowler | b2bee33 | 2011-06-10 23:24:58 -0500 | [diff] [blame] | 942 | #ifdef PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED |
Glenn Randers-Pehrson | 65a24d0 | 2011-04-01 20:41:53 -0500 | [diff] [blame] | 943 | /* Normally one would use Z_DEFAULT_STRATEGY for text compression. |
| 944 | * This is here just to make pngtest replicate the results from libpng |
Glenn Randers-Pehrson | ef217b7 | 2011-06-15 12:58:27 -0500 | [diff] [blame] | 945 | * versions prior to 1.5.4, and to test this new API. |
Glenn Randers-Pehrson | 65a24d0 | 2011-04-01 20:41:53 -0500 | [diff] [blame] | 946 | */ |
Glenn Randers-Pehrson | 6bdea98 | 2011-03-31 21:14:55 -0500 | [diff] [blame] | 947 | png_set_text_compression_strategy(write_ptr, Z_FILTERED); |
| 948 | #endif |
| 949 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 950 | if (status_dots_requested == 1) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 951 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 952 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 953 | png_set_write_status_fn(write_ptr, write_row_callback); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 954 | #endif |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 955 | png_set_read_status_fn(read_ptr, read_row_callback); |
| 956 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 957 | |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 958 | else |
| 959 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 960 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 961 | png_set_write_status_fn(write_ptr, NULL); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 962 | #endif |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 963 | png_set_read_status_fn(read_ptr, NULL); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 964 | } |
| 965 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 966 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 967 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 968 | int i; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 969 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 970 | for (i = 0; i<256; i++) |
| 971 | filters_used[i] = 0; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 972 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 973 | png_set_read_user_transform_fn(read_ptr, count_filters); |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 974 | } |
| 975 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 976 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 977 | zero_samples = 0; |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 978 | png_set_write_user_transform_fn(write_ptr, count_zero_samples); |
| 979 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 980 | |
John Bowler | 4a6c6df | 2012-08-16 16:12:13 -0500 | [diff] [blame] | 981 | #ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 982 | /* Preserve all the unknown chunks, if possible. If this is disabled then, |
| 983 | * even if the png_{get,set}_unknown_chunks stuff is enabled, we can't use |
| 984 | * libpng to *save* the unknown chunks on read (because we can't switch the |
| 985 | * save option on!) |
| 986 | * |
| 987 | * Notice that if SET_UNKNOWN_CHUNKS is *not* supported read will discard all |
| 988 | * unknown chunks and write will write them all. |
| 989 | */ |
| 990 | #ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 991 | png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS, |
| 992 | NULL, 0); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 993 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 994 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 995 | png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS, |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 996 | NULL, 0); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 997 | #endif |
John Bowler | 4a6c6df | 2012-08-16 16:12:13 -0500 | [diff] [blame] | 998 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 999 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1000 | pngtest_debug("Reading info struct"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1001 | png_read_info(read_ptr, read_info_ptr); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1002 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1003 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
| 1004 | /* This is a bit of a hack; there is no obvious way in the callback function |
| 1005 | * to determine that the chunks before the first IDAT have been read, so |
| 1006 | * remove the info_ptr (which is only used to determine position relative to |
| 1007 | * PLTE) here to indicate that we are after the IDAT. |
| 1008 | */ |
| 1009 | user_chunk_data.info_ptr = NULL; |
| 1010 | #endif |
| 1011 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1012 | pngtest_debug("Transferring info struct"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1013 | { |
| 1014 | int interlace_type, compression_type, filter_type; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1015 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1016 | if (png_get_IHDR(read_ptr, read_info_ptr, &width, &height, &bit_depth, |
| 1017 | &color_type, &interlace_type, &compression_type, &filter_type)) |
| 1018 | { |
| 1019 | png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth, |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1020 | #ifdef PNG_WRITE_INTERLACING_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1021 | color_type, interlace_type, compression_type, filter_type); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1022 | #else |
| 1023 | color_type, PNG_INTERLACE_NONE, compression_type, filter_type); |
| 1024 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1025 | } |
| 1026 | } |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1027 | #ifdef PNG_FIXED_POINT_SUPPORTED |
| 1028 | #ifdef PNG_cHRM_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1029 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1030 | png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x, |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1031 | blue_y; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1032 | |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1033 | if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, |
| 1034 | &red_x, &red_y, &green_x, &green_y, &blue_x, &blue_y)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1035 | { |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1036 | png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x, |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1037 | red_y, green_x, green_y, blue_x, blue_y); |
| 1038 | } |
| 1039 | } |
| 1040 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1041 | #ifdef PNG_gAMA_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1042 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1043 | png_fixed_point gamma; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1044 | |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1045 | if (png_get_gAMA_fixed(read_ptr, read_info_ptr, &gamma)) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1046 | png_set_gAMA_fixed(write_ptr, write_info_ptr, gamma); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1047 | } |
| 1048 | #endif |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1049 | #else /* Use floating point versions */ |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 1050 | #ifdef PNG_FLOATING_POINT_SUPPORTED |
| 1051 | #ifdef PNG_cHRM_SUPPORTED |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1052 | { |
| 1053 | double white_x, white_y, red_x, red_y, green_x, green_y, blue_x, |
| 1054 | blue_y; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1055 | |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1056 | if (png_get_cHRM(read_ptr, read_info_ptr, &white_x, &white_y, &red_x, |
| 1057 | &red_y, &green_x, &green_y, &blue_x, &blue_y)) |
| 1058 | { |
| 1059 | png_set_cHRM(write_ptr, write_info_ptr, white_x, white_y, red_x, |
| 1060 | red_y, green_x, green_y, blue_x, blue_y); |
| 1061 | } |
| 1062 | } |
| 1063 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1064 | #ifdef PNG_gAMA_SUPPORTED |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1065 | { |
| 1066 | double gamma; |
| 1067 | |
| 1068 | if (png_get_gAMA(read_ptr, read_info_ptr, &gamma)) |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1069 | png_set_gAMA(write_ptr, write_info_ptr, gamma); |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1070 | } |
| 1071 | #endif |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1072 | #endif /* Floating point */ |
| 1073 | #endif /* Fixed point */ |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1074 | #ifdef PNG_iCCP_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1075 | { |
| 1076 | png_charp name; |
Glenn Randers-Pehrson | 31aee0d | 2010-07-29 17:39:14 -0500 | [diff] [blame] | 1077 | png_bytep profile; |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1078 | png_uint_32 proflen; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1079 | int compression_type; |
| 1080 | |
| 1081 | if (png_get_iCCP(read_ptr, read_info_ptr, &name, &compression_type, |
| 1082 | &profile, &proflen)) |
| 1083 | { |
| 1084 | png_set_iCCP(write_ptr, write_info_ptr, name, compression_type, |
| 1085 | profile, proflen); |
| 1086 | } |
| 1087 | } |
| 1088 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1089 | #ifdef PNG_sRGB_SUPPORTED |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1090 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1091 | int intent; |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1092 | |
| 1093 | if (png_get_sRGB(read_ptr, read_info_ptr, &intent)) |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1094 | png_set_sRGB(write_ptr, write_info_ptr, intent); |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1095 | } |
| 1096 | #endif |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1097 | { |
| 1098 | png_colorp palette; |
| 1099 | int num_palette; |
| 1100 | |
| 1101 | if (png_get_PLTE(read_ptr, read_info_ptr, &palette, &num_palette)) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1102 | png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1103 | } |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1104 | #ifdef PNG_bKGD_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1105 | { |
| 1106 | png_color_16p background; |
| 1107 | |
| 1108 | if (png_get_bKGD(read_ptr, read_info_ptr, &background)) |
| 1109 | { |
| 1110 | png_set_bKGD(write_ptr, write_info_ptr, background); |
| 1111 | } |
| 1112 | } |
| 1113 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1114 | #ifdef PNG_hIST_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1115 | { |
| 1116 | png_uint_16p hist; |
| 1117 | |
| 1118 | if (png_get_hIST(read_ptr, read_info_ptr, &hist)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1119 | png_set_hIST(write_ptr, write_info_ptr, hist); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1120 | } |
| 1121 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1122 | #ifdef PNG_oFFs_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1123 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1124 | png_int_32 offset_x, offset_y; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1125 | int unit_type; |
| 1126 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1127 | if (png_get_oFFs(read_ptr, read_info_ptr, &offset_x, &offset_y, |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1128 | &unit_type)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1129 | { |
| 1130 | png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type); |
| 1131 | } |
| 1132 | } |
| 1133 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1134 | #ifdef PNG_pCAL_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1135 | { |
| 1136 | png_charp purpose, units; |
| 1137 | png_charpp params; |
| 1138 | png_int_32 X0, X1; |
| 1139 | int type, nparams; |
| 1140 | |
| 1141 | if (png_get_pCAL(read_ptr, read_info_ptr, &purpose, &X0, &X1, &type, |
| 1142 | &nparams, &units, ¶ms)) |
| 1143 | { |
| 1144 | png_set_pCAL(write_ptr, write_info_ptr, purpose, X0, X1, type, |
| 1145 | nparams, units, params); |
| 1146 | } |
| 1147 | } |
| 1148 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1149 | #ifdef PNG_pHYs_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1150 | { |
| 1151 | png_uint_32 res_x, res_y; |
| 1152 | int unit_type; |
| 1153 | |
| 1154 | if (png_get_pHYs(read_ptr, read_info_ptr, &res_x, &res_y, &unit_type)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1155 | png_set_pHYs(write_ptr, write_info_ptr, res_x, res_y, unit_type); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1156 | } |
| 1157 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1158 | #ifdef PNG_sBIT_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1159 | { |
| 1160 | png_color_8p sig_bit; |
| 1161 | |
| 1162 | if (png_get_sBIT(read_ptr, read_info_ptr, &sig_bit)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1163 | png_set_sBIT(write_ptr, write_info_ptr, sig_bit); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1164 | } |
| 1165 | #endif |
Glenn Randers-Pehrson | 9c1bb20 | 2009-09-17 10:55:49 -0500 | [diff] [blame] | 1166 | #ifdef PNG_sCAL_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1167 | #ifdef PNG_FLOATING_POINT_SUPPORTED |
| 1168 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1169 | int unit; |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1170 | double scal_width, scal_height; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1171 | |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1172 | if (png_get_sCAL(read_ptr, read_info_ptr, &unit, &scal_width, |
| 1173 | &scal_height)) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1174 | { |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1175 | png_set_sCAL(write_ptr, write_info_ptr, unit, scal_width, scal_height); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1176 | } |
| 1177 | } |
| 1178 | #else |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1179 | #ifdef PNG_FIXED_POINT_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1180 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1181 | int unit; |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1182 | png_charp scal_width, scal_height; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1183 | |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1184 | if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width, |
| 1185 | &scal_height)) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1186 | { |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1187 | png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, |
| 1188 | scal_height); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1189 | } |
| 1190 | } |
| 1191 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1192 | #endif |
| 1193 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1194 | #ifdef PNG_TEXT_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1195 | { |
| 1196 | png_textp text_ptr; |
| 1197 | int num_text; |
| 1198 | |
| 1199 | if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0) |
| 1200 | { |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1201 | pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text); |
Glenn Randers-Pehrson | 15ea1fa | 2011-11-23 15:28:01 -0600 | [diff] [blame] | 1202 | |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1203 | pngtest_check_text_support(read_ptr, text_ptr, num_text); |
| 1204 | |
Glenn Randers-Pehrson | 15ea1fa | 2011-11-23 15:28:01 -0600 | [diff] [blame] | 1205 | if (verbose) |
Glenn Randers-Pehrson | f2715a5 | 2012-03-15 19:52:03 -0500 | [diff] [blame] | 1206 | { |
| 1207 | int i; |
| 1208 | |
| 1209 | printf("\n"); |
| 1210 | for (i=0; i<num_text; i++) |
| 1211 | { |
| 1212 | printf(" Text compression[%d]=%d\n", |
| 1213 | i, text_ptr[i].compression); |
| 1214 | } |
| 1215 | } |
Glenn Randers-Pehrson | 15ea1fa | 2011-11-23 15:28:01 -0600 | [diff] [blame] | 1216 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1217 | png_set_text(write_ptr, write_info_ptr, text_ptr, num_text); |
| 1218 | } |
| 1219 | } |
| 1220 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1221 | #ifdef PNG_tIME_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1222 | { |
| 1223 | png_timep mod_time; |
| 1224 | |
| 1225 | if (png_get_tIME(read_ptr, read_info_ptr, &mod_time)) |
| 1226 | { |
| 1227 | png_set_tIME(write_ptr, write_info_ptr, mod_time); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1228 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1229 | if (png_convert_to_rfc1123_buffer(tIME_string, mod_time)) |
Glenn Randers-Pehrson | 432c174 | 2012-08-09 20:14:48 -0500 | [diff] [blame] | 1230 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1231 | |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1232 | else |
John Bowler | 5f5977e | 2012-08-09 16:42:42 -0500 | [diff] [blame] | 1233 | { |
Glenn Randers-Pehrson | 432c174 | 2012-08-09 20:14:48 -0500 | [diff] [blame] | 1234 | strncpy(tIME_string, "*** invalid time ***", (sizeof tIME_string)); |
| 1235 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
John Bowler | 5f5977e | 2012-08-09 16:42:42 -0500 | [diff] [blame] | 1236 | } |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1237 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1238 | tIME_chunk_present++; |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1239 | #endif /* PNG_TIME_RFC1123_SUPPORTED */ |
Glenn Randers-Pehrson | c944229 | 1999-01-06 21:50:16 -0600 | [diff] [blame] | 1240 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1241 | } |
| 1242 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1243 | #ifdef PNG_tRNS_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1244 | { |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1245 | png_bytep trans_alpha; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1246 | int num_trans; |
Glenn Randers-Pehrson | 56f6396 | 2008-10-06 10:16:17 -0500 | [diff] [blame] | 1247 | png_color_16p trans_color; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1248 | |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1249 | if (png_get_tRNS(read_ptr, read_info_ptr, &trans_alpha, &num_trans, |
Glenn Randers-Pehrson | 56f6396 | 2008-10-06 10:16:17 -0500 | [diff] [blame] | 1250 | &trans_color)) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1251 | { |
Glenn Randers-Pehrson | d29033f | 2009-11-07 10:46:42 -0600 | [diff] [blame] | 1252 | int sample_max = (1 << bit_depth); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1253 | /* libpng doesn't reject a tRNS chunk with out-of-range samples */ |
Glenn Randers-Pehrson | d29033f | 2009-11-07 10:46:42 -0600 | [diff] [blame] | 1254 | if (!((color_type == PNG_COLOR_TYPE_GRAY && |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1255 | (int)trans_color->gray > sample_max) || |
Glenn Randers-Pehrson | d29033f | 2009-11-07 10:46:42 -0600 | [diff] [blame] | 1256 | (color_type == PNG_COLOR_TYPE_RGB && |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1257 | ((int)trans_color->red > sample_max || |
| 1258 | (int)trans_color->green > sample_max || |
| 1259 | (int)trans_color->blue > sample_max)))) |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1260 | png_set_tRNS(write_ptr, write_info_ptr, trans_alpha, num_trans, |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1261 | trans_color); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1262 | } |
| 1263 | } |
| 1264 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1265 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1266 | { |
| 1267 | png_unknown_chunkp unknowns; |
Glenn Randers-Pehrson | 67439c4 | 2010-08-19 07:01:09 -0500 | [diff] [blame] | 1268 | int num_unknowns = png_get_unknown_chunks(read_ptr, read_info_ptr, |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1269 | &unknowns); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1270 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1271 | if (num_unknowns) |
| 1272 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1273 | png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns, |
| 1274 | num_unknowns); |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1275 | #if PNG_LIBPNG_VER < 10600 |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1276 | /* Copy the locations from the read_info_ptr. The automatically |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1277 | * generated locations in write_end_info_ptr are wrong prior to 1.6.0 |
| 1278 | * because they are reset from the write pointer (removed in 1.6.0). |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1279 | */ |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1280 | { |
| 1281 | int i; |
| 1282 | for (i = 0; i < num_unknowns; i++) |
| 1283 | png_set_unknown_chunk_location(write_ptr, write_info_ptr, i, |
| 1284 | unknowns[i].location); |
| 1285 | } |
| 1286 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1287 | } |
| 1288 | } |
| 1289 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1290 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1291 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1292 | pngtest_debug("Writing info struct"); |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1293 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1294 | /* Write the info in two steps so that if we write the 'unknown' chunks here |
| 1295 | * they go to the correct place. |
| 1296 | */ |
| 1297 | png_write_info_before_PLTE(write_ptr, write_info_ptr); |
| 1298 | |
| 1299 | write_chunks(write_ptr, before_PLTE); /* before PLTE */ |
| 1300 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1301 | png_write_info(write_ptr, write_info_ptr); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 1302 | |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1303 | write_chunks(write_ptr, before_IDAT); /* after PLTE */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 1304 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1305 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1306 | #ifdef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1307 | pngtest_debug("Allocating row buffer..."); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1308 | row_buf = (png_bytep)png_malloc(read_ptr, |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1309 | png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1310 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1311 | pngtest_debug1("\t0x%08lx", (unsigned long)row_buf); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1312 | #endif /* SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1313 | pngtest_debug("Writing row data"); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1314 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1315 | #if defined(PNG_READ_INTERLACING_SUPPORTED) || \ |
| 1316 | defined(PNG_WRITE_INTERLACING_SUPPORTED) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1317 | num_pass = png_set_interlace_handling(read_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1318 | # ifdef PNG_WRITE_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1319 | png_set_interlace_handling(write_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1320 | # endif |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1321 | #else |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1322 | num_pass = 1; |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1323 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1324 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1325 | #ifdef PNGTEST_TIMING |
| 1326 | t_stop = (float)clock(); |
| 1327 | t_misc += (t_stop - t_start); |
| 1328 | t_start = t_stop; |
| 1329 | #endif |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1330 | for (pass = 0; pass < num_pass; pass++) |
| 1331 | { |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1332 | pngtest_debug1("Writing row data for pass %d", pass); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1333 | for (y = 0; y < height; y++) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1334 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1335 | #ifndef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1336 | pngtest_debug2("Allocating row buffer (pass %d, y = %u)...", pass, y); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1337 | row_buf = (png_bytep)png_malloc(read_ptr, |
| 1338 | png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1339 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1340 | pngtest_debug2("\t0x%08lx (%u bytes)", (unsigned long)row_buf, |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1341 | png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1342 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1343 | #endif /* !SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 1344 | png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1345 | |
| 1346 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1347 | #ifdef PNGTEST_TIMING |
| 1348 | t_stop = (float)clock(); |
| 1349 | t_decode += (t_stop - t_start); |
| 1350 | t_start = t_stop; |
| 1351 | #endif |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1352 | png_write_rows(write_ptr, (png_bytepp)&row_buf, 1); |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1353 | #ifdef PNGTEST_TIMING |
| 1354 | t_stop = (float)clock(); |
| 1355 | t_encode += (t_stop - t_start); |
| 1356 | t_start = t_stop; |
| 1357 | #endif |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1358 | #endif /* PNG_WRITE_SUPPORTED */ |
| 1359 | |
| 1360 | #ifndef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1361 | pngtest_debug2("Freeing row buffer (pass %d, y = %u)", pass, y); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1362 | png_free(read_ptr, row_buf); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 1363 | row_buf = NULL; |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1364 | #endif /* !SINGLE_ROWBUF_ALLOC */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1365 | } |
| 1366 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1367 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1368 | #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | a77ef62 | 2000-02-18 13:48:52 -0600 | [diff] [blame] | 1369 | png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1370 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1371 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | a77ef62 | 2000-02-18 13:48:52 -0600 | [diff] [blame] | 1372 | png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1373 | #endif |
| 1374 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1375 | pngtest_debug("Reading and writing end_info data"); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1376 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1377 | png_read_end(read_ptr, end_info_ptr); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1378 | #ifdef PNG_TEXT_SUPPORTED |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1379 | { |
| 1380 | png_textp text_ptr; |
| 1381 | int num_text; |
| 1382 | |
| 1383 | if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0) |
| 1384 | { |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1385 | pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text); |
Glenn Randers-Pehrson | f2715a5 | 2012-03-15 19:52:03 -0500 | [diff] [blame] | 1386 | |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1387 | pngtest_check_text_support(read_ptr, text_ptr, num_text); |
| 1388 | |
Glenn Randers-Pehrson | f2715a5 | 2012-03-15 19:52:03 -0500 | [diff] [blame] | 1389 | if (verbose) |
| 1390 | { |
| 1391 | int i; |
| 1392 | |
| 1393 | printf("\n"); |
| 1394 | for (i=0; i<num_text; i++) |
| 1395 | { |
| 1396 | printf(" Text compression[%d]=%d\n", |
| 1397 | i, text_ptr[i].compression); |
| 1398 | } |
| 1399 | } |
| 1400 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1401 | png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text); |
| 1402 | } |
| 1403 | } |
| 1404 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1405 | #ifdef PNG_tIME_SUPPORTED |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1406 | { |
| 1407 | png_timep mod_time; |
| 1408 | |
| 1409 | if (png_get_tIME(read_ptr, end_info_ptr, &mod_time)) |
| 1410 | { |
| 1411 | png_set_tIME(write_ptr, write_end_info_ptr, mod_time); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1412 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1413 | if (png_convert_to_rfc1123_buffer(tIME_string, mod_time)) |
Glenn Randers-Pehrson | 432c174 | 2012-08-09 20:14:48 -0500 | [diff] [blame] | 1414 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1415 | |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1416 | else |
John Bowler | 5f5977e | 2012-08-09 16:42:42 -0500 | [diff] [blame] | 1417 | { |
| 1418 | strncpy(tIME_string, "*** invalid time ***", sizeof tIME_string); |
| 1419 | tIME_string[(sizeof tIME_string)-1] = '\0'; |
| 1420 | } |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1421 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1422 | tIME_chunk_present++; |
| 1423 | #endif /* PNG_TIME_RFC1123_SUPPORTED */ |
| 1424 | } |
| 1425 | } |
| 1426 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1427 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1428 | { |
| 1429 | png_unknown_chunkp unknowns; |
Glenn Randers-Pehrson | 67439c4 | 2010-08-19 07:01:09 -0500 | [diff] [blame] | 1430 | int num_unknowns = png_get_unknown_chunks(read_ptr, end_info_ptr, |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1431 | &unknowns); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1432 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1433 | if (num_unknowns) |
| 1434 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1435 | png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns, |
| 1436 | num_unknowns); |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1437 | #if PNG_LIBPNG_VER < 10600 |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1438 | /* Copy the locations from the read_info_ptr. The automatically |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1439 | * generated locations in write_end_info_ptr are wrong prior to 1.6.0 |
| 1440 | * because they are reset from the write pointer (removed in 1.6.0). |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1441 | */ |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1442 | { |
| 1443 | int i; |
| 1444 | for (i = 0; i < num_unknowns; i++) |
| 1445 | png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i, |
| 1446 | unknowns[i].location); |
| 1447 | } |
| 1448 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1449 | } |
| 1450 | } |
| 1451 | #endif |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1452 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1453 | #ifdef PNG_WRITE_SUPPORTED |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame^] | 1454 | /* When the unknown vpAg/sTER chunks are written by pngtest the only way to |
| 1455 | * do it is to write them *before* calling png_write_end. When unknown |
| 1456 | * chunks are written by libpng, however, they are written just before IEND. * There seems to be no way round this, however vpAg/sTER are not expected |
| 1457 | * after IDAT. |
| 1458 | */ |
| 1459 | write_chunks(write_ptr, after_IDAT); |
| 1460 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1461 | png_write_end(write_ptr, write_end_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1462 | #endif |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1463 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1464 | #ifdef PNG_EASY_ACCESS_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1465 | if (verbose) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1466 | { |
| 1467 | png_uint_32 iwidth, iheight; |
| 1468 | iwidth = png_get_image_width(write_ptr, write_info_ptr); |
| 1469 | iheight = png_get_image_height(write_ptr, write_info_ptr); |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1470 | fprintf(STDERR, "\n Image width = %lu, height = %lu\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1471 | (unsigned long)iwidth, (unsigned long)iheight); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1472 | } |
| 1473 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1474 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1475 | pngtest_debug("Destroying data structs"); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1476 | #ifdef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1477 | pngtest_debug("destroying row_buf for read_ptr"); |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1478 | png_free(read_ptr, row_buf); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 1479 | row_buf = NULL; |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1480 | #endif /* SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1481 | pngtest_debug("destroying read_ptr, read_info_ptr, end_info_ptr"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1482 | png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1483 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1484 | pngtest_debug("destroying write_end_info_ptr"); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1485 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1486 | pngtest_debug("destroying write_ptr, write_info_ptr"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1487 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1488 | #endif |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1489 | pngtest_debug("Destruction complete."); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1490 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1491 | FCLOSE(fpin); |
| 1492 | FCLOSE(fpout); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1493 | |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1494 | /* Summarize any warnings or errors and in 'strict' mode fail the test. |
| 1495 | * Unsupported chunks can result in warnings, in that case ignore the strict |
| 1496 | * setting, otherwise fail the test on warnings as well as errors. |
| 1497 | */ |
| 1498 | if (error_count > 0) |
| 1499 | { |
| 1500 | /* We don't really expect to get here because of the setjmp handling |
| 1501 | * above, but this is safe. |
| 1502 | */ |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1503 | fprintf(STDERR, "\n %s: %d libpng errors found (%d warnings)", |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1504 | inname, error_count, warning_count); |
| 1505 | |
| 1506 | if (strict != 0) |
| 1507 | return (1); |
| 1508 | } |
| 1509 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1510 | # ifdef PNG_WRITE_SUPPORTED |
| 1511 | /* If there we no write support nothing was written! */ |
| 1512 | else if (unsupported_chunks > 0) |
| 1513 | { |
| 1514 | fprintf(STDERR, "\n %s: unsupported chunks (%d)%s", |
| 1515 | inname, unsupported_chunks, strict ? ": IGNORED --strict!" : ""); |
| 1516 | } |
| 1517 | # endif |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1518 | |
| 1519 | else if (warning_count > 0) |
| 1520 | { |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1521 | fprintf(STDERR, "\n %s: %d libpng warnings found", |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 1522 | inname, warning_count); |
| 1523 | |
| 1524 | if (strict != 0) |
| 1525 | return (1); |
| 1526 | } |
| 1527 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1528 | pngtest_debug("Opening files for comparison"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1529 | if ((fpin = fopen(inname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1530 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1531 | fprintf(STDERR, "Could not find file %s\n", inname); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1532 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1533 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1534 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1535 | if ((fpout = fopen(outname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1536 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1537 | fprintf(STDERR, "Could not find file %s\n", outname); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1538 | FCLOSE(fpin); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1539 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1540 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1541 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1542 | #ifdef PNG_WRITE_SUPPORTED /* else nothing was written */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1543 | { |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1544 | int wrote_question = 0; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1545 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1546 | for (;;) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1547 | { |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1548 | png_size_t num_in, num_out; |
| 1549 | char inbuf[256], outbuf[256]; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1550 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1551 | |
| 1552 | num_in = fread(inbuf, 1, sizeof inbuf, fpin); |
| 1553 | num_out = fread(outbuf, 1, sizeof outbuf, fpout); |
| 1554 | |
| 1555 | if (num_in != num_out) |
Glenn Randers-Pehrson | cbe52d8 | 1998-02-28 07:00:24 -0600 | [diff] [blame] | 1556 | { |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1557 | fprintf(STDERR, "\nFiles %s and %s are of a different size\n", |
| 1558 | inname, outname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1559 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1560 | if (wrote_question == 0 && unsupported_chunks == 0) |
| 1561 | { |
| 1562 | fprintf(STDERR, |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1563 | " Was %s written with the same maximum IDAT chunk size (%d bytes),", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1564 | inname, PNG_ZBUF_SIZE); |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1565 | fprintf(STDERR, |
| 1566 | "\n filtering heuristic (libpng default), compression"); |
| 1567 | fprintf(STDERR, |
| 1568 | " level (zlib default),\n and zlib version (%s)?\n\n", |
| 1569 | ZLIB_VERSION); |
| 1570 | wrote_question = 1; |
| 1571 | } |
| 1572 | |
| 1573 | FCLOSE(fpin); |
| 1574 | FCLOSE(fpout); |
| 1575 | |
| 1576 | if (strict != 0 && unsupported_chunks == 0) |
| 1577 | return (1); |
| 1578 | |
| 1579 | else |
| 1580 | return (0); |
Glenn Randers-Pehrson | cbe52d8 | 1998-02-28 07:00:24 -0600 | [diff] [blame] | 1581 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1582 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1583 | if (!num_in) |
| 1584 | break; |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1585 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1586 | if (memcmp(inbuf, outbuf, num_in)) |
| 1587 | { |
| 1588 | fprintf(STDERR, "\nFiles %s and %s are different\n", inname, |
| 1589 | outname); |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1590 | |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1591 | if (wrote_question == 0 && unsupported_chunks == 0) |
| 1592 | { |
| 1593 | fprintf(STDERR, |
| 1594 | " Was %s written with the same maximum IDAT chunk size (%d bytes),", |
| 1595 | inname, PNG_ZBUF_SIZE); |
| 1596 | fprintf(STDERR, |
| 1597 | "\n filtering heuristic (libpng default), compression"); |
| 1598 | fprintf(STDERR, |
| 1599 | " level (zlib default),\n and zlib version (%s)?\n\n", |
| 1600 | ZLIB_VERSION); |
| 1601 | wrote_question = 1; |
| 1602 | } |
| 1603 | |
| 1604 | FCLOSE(fpin); |
| 1605 | FCLOSE(fpout); |
| 1606 | |
| 1607 | /* NOTE: the unsupported_chunks escape is permitted here because |
| 1608 | * unsupported text chunk compression will result in the compression |
| 1609 | * mode being changed (to NONE) yet, in the test case, the result |
| 1610 | * can be exactly the same size! |
| 1611 | */ |
| 1612 | if (strict != 0 && unsupported_chunks == 0) |
| 1613 | return (1); |
| 1614 | |
| 1615 | else |
| 1616 | return (0); |
| 1617 | } |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1618 | } |
| 1619 | } |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1620 | #endif /* PNG_WRITE_SUPPORTED */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1621 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1622 | FCLOSE(fpin); |
| 1623 | FCLOSE(fpout); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1624 | |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1625 | return (0); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1626 | } |
Guy Schalnat | 51f0eb4 | 1995-09-26 05:22:39 -0500 | [diff] [blame] | 1627 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1628 | /* Input and output filenames */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1629 | #ifdef RISCOS |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1630 | static PNG_CONST char *inname = "pngtest/png"; |
| 1631 | static PNG_CONST char *outname = "pngout/png"; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1632 | #else |
Glenn Randers-Pehrson | 983ec16 | 1998-03-07 11:24:03 -0600 | [diff] [blame] | 1633 | static PNG_CONST char *inname = "pngtest.png"; |
| 1634 | static PNG_CONST char *outname = "pngout.png"; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1635 | #endif |
| 1636 | |
| 1637 | int |
| 1638 | main(int argc, char *argv[]) |
| 1639 | { |
| 1640 | int multiple = 0; |
| 1641 | int ierror = 0; |
| 1642 | |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1643 | fprintf(STDERR, "\n Testing libpng version %s\n", PNG_LIBPNG_VER_STRING); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1644 | fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1645 | fprintf(STDERR, "%s", png_get_copyright(NULL)); |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1646 | /* Show the version of libpng used in building the library */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1647 | fprintf(STDERR, " library (%lu):%s", |
| 1648 | (unsigned long)png_access_version_number(), |
Glenn Randers-Pehrson | 1ef65b6 | 2000-05-12 06:19:53 -0500 | [diff] [blame] | 1649 | png_get_header_version(NULL)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1650 | |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1651 | /* Show the version of libpng used in building the application */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1652 | fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER, |
Glenn Randers-Pehrson | 1ef65b6 | 2000-05-12 06:19:53 -0500 | [diff] [blame] | 1653 | PNG_HEADER_VERSION_STRING); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1654 | |
| 1655 | /* Do some consistency checking on the memory allocation settings, I'm |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1656 | * not sure this matters, but it is nice to know, the first of these |
| 1657 | * tests should be impossible because of the way the macros are set |
| 1658 | * in pngconf.h |
| 1659 | */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1660 | #if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1661 | fprintf(STDERR, " NOTE: Zlib compiled for max 64k, libpng not\n"); |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1662 | #endif |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1663 | /* I think the following can happen. */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1664 | #if !defined(MAXSEG_64K) && defined(PNG_MAX_MALLOC_64K) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1665 | fprintf(STDERR, " NOTE: libpng compiled for max 64k, zlib not\n"); |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1666 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1667 | |
| 1668 | if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING)) |
| 1669 | { |
| 1670 | fprintf(STDERR, |
| 1671 | "Warning: versions are different between png.h and png.c\n"); |
| 1672 | fprintf(STDERR, " png.h version: %s\n", PNG_LIBPNG_VER_STRING); |
| 1673 | fprintf(STDERR, " png.c version: %s\n\n", png_libpng_ver); |
| 1674 | ++ierror; |
| 1675 | } |
| 1676 | |
| 1677 | if (argc > 1) |
| 1678 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1679 | if (strcmp(argv[1], "-m") == 0) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1680 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1681 | multiple = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1682 | status_dots_requested = 0; |
| 1683 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1684 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1685 | else if (strcmp(argv[1], "-mv") == 0 || |
| 1686 | strcmp(argv[1], "-vm") == 0 ) |
| 1687 | { |
| 1688 | multiple = 1; |
| 1689 | verbose = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1690 | status_dots_requested = 1; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1691 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1692 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1693 | else if (strcmp(argv[1], "-v") == 0) |
| 1694 | { |
| 1695 | verbose = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1696 | status_dots_requested = 1; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1697 | inname = argv[2]; |
| 1698 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1699 | |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1700 | else if (strcmp(argv[1], "--strict") == 0) |
| 1701 | { |
| 1702 | status_dots_requested = 0; |
| 1703 | verbose = 1; |
| 1704 | inname = argv[2]; |
| 1705 | strict++; |
| 1706 | } |
| 1707 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1708 | else |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1709 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1710 | inname = argv[1]; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1711 | status_dots_requested = 0; |
| 1712 | } |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1713 | } |
| 1714 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1715 | if (!multiple && argc == 3 + verbose) |
| 1716 | outname = argv[2 + verbose]; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1717 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1718 | if ((!multiple && argc > 3 + verbose) || (multiple && argc < 2)) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1719 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1720 | fprintf(STDERR, |
| 1721 | "usage: %s [infile.png] [outfile.png]\n\t%s -m {infile.png}\n", |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1722 | argv[0], argv[0]); |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1723 | fprintf(STDERR, |
| 1724 | " reads/writes one PNG file (without -m) or multiple files (-m)\n"); |
| 1725 | fprintf(STDERR, |
| 1726 | " with -m %s is used as a temporary file\n", outname); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1727 | exit(1); |
| 1728 | } |
| 1729 | |
| 1730 | if (multiple) |
| 1731 | { |
| 1732 | int i; |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1733 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1734 | int allocation_now = current_allocation; |
| 1735 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1736 | for (i=2; i<argc; ++i) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1737 | { |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1738 | int kerror; |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1739 | fprintf(STDERR, "\n Testing %s:", argv[i]); |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1740 | kerror = test_one_file(argv[i], outname); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1741 | if (kerror == 0) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1742 | { |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1743 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
| 1744 | int k; |
| 1745 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1746 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 1747 | fprintf(STDERR, "\n PASS (%lu zero samples)\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1748 | (unsigned long)zero_samples); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1749 | #else |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1750 | fprintf(STDERR, " PASS\n"); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1751 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1752 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1753 | for (k = 0; k<256; k++) |
| 1754 | if (filters_used[k]) |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1755 | fprintf(STDERR, " Filter %d was used %lu times\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1756 | k, (unsigned long)filters_used[k]); |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1757 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1758 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1759 | if (tIME_chunk_present != 0) |
| 1760 | fprintf(STDERR, " tIME = %s\n", tIME_string); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1761 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1762 | tIME_chunk_present = 0; |
| 1763 | #endif /* PNG_TIME_RFC1123_SUPPORTED */ |
| 1764 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1765 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1766 | else |
| 1767 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1768 | fprintf(STDERR, " FAIL\n"); |
| 1769 | ierror += kerror; |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1770 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1771 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1772 | if (allocation_now != current_allocation) |
| 1773 | fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1774 | current_allocation - allocation_now); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1775 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1776 | if (current_allocation != 0) |
| 1777 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1778 | memory_infop pinfo = pinformation; |
| 1779 | |
| 1780 | fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n", |
| 1781 | current_allocation); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1782 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1783 | while (pinfo != NULL) |
| 1784 | { |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 1785 | fprintf(STDERR, " %lu bytes at %x\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1786 | (unsigned long)pinfo->size, |
Glenn Randers-Pehrson | d233287 | 2010-10-12 19:19:28 -0500 | [diff] [blame] | 1787 | (unsigned int)pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1788 | pinfo = pinfo->next; |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1789 | } |
Glenn Randers-Pehrson | 2687fcc | 1998-01-07 20:54:20 -0600 | [diff] [blame] | 1790 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1791 | #endif |
| 1792 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1793 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1794 | fprintf(STDERR, " Current memory allocation: %10d bytes\n", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1795 | current_allocation); |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1796 | fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1797 | maximum_allocation); |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1798 | fprintf(STDERR, " Total memory allocation: %10d bytes\n", |
| 1799 | total_allocation); |
| 1800 | fprintf(STDERR, " Number of allocations: %10d\n", |
| 1801 | num_allocations); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1802 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1803 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1804 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1805 | else |
| 1806 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1807 | int i; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1808 | for (i = 0; i<3; ++i) |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1809 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1810 | int kerror; |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1811 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1812 | int allocation_now = current_allocation; |
| 1813 | #endif |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1814 | if (i == 1) |
| 1815 | status_dots_requested = 1; |
| 1816 | |
| 1817 | else if (verbose == 0) |
| 1818 | status_dots_requested = 0; |
| 1819 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1820 | if (i == 0 || verbose == 1 || ierror != 0) |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1821 | fprintf(STDERR, "\n Testing %s:", inname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1822 | |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1823 | kerror = test_one_file(inname, outname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1824 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1825 | if (kerror == 0) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1826 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1827 | if (verbose == 1 || i == 2) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1828 | { |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1829 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1830 | int k; |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1831 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1832 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 1833 | fprintf(STDERR, "\n PASS (%lu zero samples)\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1834 | (unsigned long)zero_samples); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1835 | #else |
| 1836 | fprintf(STDERR, " PASS\n"); |
| 1837 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1838 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1839 | for (k = 0; k<256; k++) |
| 1840 | if (filters_used[k]) |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1841 | fprintf(STDERR, " Filter %d was used %lu times\n", |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1842 | k, (unsigned long)filters_used[k]); |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1843 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1844 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1845 | if (tIME_chunk_present != 0) |
| 1846 | fprintf(STDERR, " tIME = %s\n", tIME_string); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1847 | #endif /* PNG_TIME_RFC1123_SUPPORTED */ |
| 1848 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1849 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1850 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1851 | else |
| 1852 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1853 | if (verbose == 0 && i != 2) |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1854 | fprintf(STDERR, "\n Testing %s:", inname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1855 | |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1856 | fprintf(STDERR, " FAIL\n"); |
| 1857 | ierror += kerror; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1858 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1859 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1860 | if (allocation_now != current_allocation) |
| 1861 | fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n", |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1862 | current_allocation - allocation_now); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1863 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1864 | if (current_allocation != 0) |
| 1865 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1866 | memory_infop pinfo = pinformation; |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1867 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1868 | fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n", |
| 1869 | current_allocation); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1870 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1871 | while (pinfo != NULL) |
| 1872 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1873 | fprintf(STDERR, " %lu bytes at %x\n", |
| 1874 | (unsigned long)pinfo->size, (unsigned int)pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1875 | pinfo = pinfo->next; |
| 1876 | } |
| 1877 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1878 | #endif |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1879 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1880 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1881 | fprintf(STDERR, " Current memory allocation: %10d bytes\n", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1882 | current_allocation); |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1883 | fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1884 | maximum_allocation); |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1885 | fprintf(STDERR, " Total memory allocation: %10d bytes\n", |
| 1886 | total_allocation); |
| 1887 | fprintf(STDERR, " Number of allocations: %10d\n", |
| 1888 | num_allocations); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1889 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1890 | } |
| 1891 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1892 | #ifdef PNGTEST_TIMING |
| 1893 | t_stop = (float)clock(); |
| 1894 | t_misc += (t_stop - t_start); |
| 1895 | t_start = t_stop; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1896 | fprintf(STDERR, " CPU time used = %.3f seconds", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1897 | (t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1898 | fprintf(STDERR, " (decoding %.3f,\n", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1899 | t_decode/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1900 | fprintf(STDERR, " encoding %.3f ,", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1901 | t_encode/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1902 | fprintf(STDERR, " other %.3f seconds)\n\n", |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1903 | t_misc/(float)CLOCKS_PER_SEC); |
| 1904 | #endif |
| 1905 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1906 | if (ierror == 0) |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1907 | fprintf(STDERR, " libpng passes test\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1908 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1909 | else |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1910 | fprintf(STDERR, " libpng FAILS test\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1911 | |
Glenn Randers-Pehrson | 0f881d6 | 1998-02-07 10:20:57 -0600 | [diff] [blame] | 1912 | return (int)(ierror != 0); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1913 | } |
John Bowler | e2098ba | 2012-08-10 17:04:56 -0500 | [diff] [blame] | 1914 | #else |
| 1915 | int |
| 1916 | main(void) |
| 1917 | { |
| 1918 | fprintf(STDERR, |
| 1919 | " test ignored because libpng was not built with read support\n"); |
| 1920 | return 0; |
| 1921 | } |
| 1922 | #endif |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1923 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1924 | /* Generate a compiler error if there is an old png.h in the search path. */ |
Glenn Randers-Pehrson | b593b3f | 2012-08-11 18:15:41 -0500 | [diff] [blame] | 1925 | typedef png_libpng_version_1_6_0beta28 Your_png_h_is_not_version_1_6_0beta28; |