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 | * |
Cosmin Truta | 8439534 | 2019-02-03 21:00:49 -0500 | [diff] [blame] | 4 | * Copyright (c) 2018-2019 Cosmin Truta |
Cosmin Truta | 46aedd8 | 2018-07-15 23:58:00 -0400 | [diff] [blame] | 5 | * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson |
Cosmin Truta | d4fb621 | 2018-07-28 18:34:58 -0400 | [diff] [blame] | 6 | * Copyright (c) 1996-1997 Andreas Dilger |
| 7 | * 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 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [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 | f3af706 | 2012-02-02 23:11:45 -0600 | [diff] [blame] | 44 | #include "png.h" |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 45 | |
John Bowler | e4413a7 | 2013-04-17 21:27:47 -0500 | [diff] [blame] | 46 | /* Known chunks that exist in pngtest.png must be supported or pngtest will fail |
| 47 | * simply as a result of re-ordering them. This may be fixed in 1.7 |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 48 | * |
| 49 | * pngtest allocates a single row buffer for each row and overwrites it, |
| 50 | * therefore if the write side doesn't support the writing of interlaced images |
| 51 | * nothing can be done for an interlaced image (and the code below will fail |
| 52 | * horribly trying to write extra data after writing garbage). |
John Bowler | e4413a7 | 2013-04-17 21:27:47 -0500 | [diff] [blame] | 53 | */ |
| 54 | #if defined PNG_READ_SUPPORTED && /* else nothing can be done */\ |
| 55 | defined PNG_READ_bKGD_SUPPORTED &&\ |
| 56 | defined PNG_READ_cHRM_SUPPORTED &&\ |
| 57 | defined PNG_READ_gAMA_SUPPORTED &&\ |
| 58 | defined PNG_READ_oFFs_SUPPORTED &&\ |
| 59 | defined PNG_READ_pCAL_SUPPORTED &&\ |
| 60 | defined PNG_READ_pHYs_SUPPORTED &&\ |
| 61 | defined PNG_READ_sBIT_SUPPORTED &&\ |
| 62 | defined PNG_READ_sCAL_SUPPORTED &&\ |
| 63 | defined PNG_READ_sRGB_SUPPORTED &&\ |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 64 | defined PNG_READ_sPLT_SUPPORTED &&\ |
John Bowler | e4413a7 | 2013-04-17 21:27:47 -0500 | [diff] [blame] | 65 | defined PNG_READ_tEXt_SUPPORTED &&\ |
| 66 | defined PNG_READ_tIME_SUPPORTED &&\ |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 67 | defined PNG_READ_zTXt_SUPPORTED &&\ |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 68 | (defined PNG_WRITE_INTERLACING_SUPPORTED || PNG_LIBPNG_VER >= 10700) |
John Bowler | e4413a7 | 2013-04-17 21:27:47 -0500 | [diff] [blame] | 69 | |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 70 | #ifdef PNG_ZLIB_HEADER |
| 71 | # include PNG_ZLIB_HEADER /* defined by pnglibconf.h from 1.7 */ |
| 72 | #else |
| 73 | # include "zlib.h" |
| 74 | #endif |
| 75 | |
Glenn Randers-Pehrson | 7253144 | 2010-04-17 08:17:51 -0500 | [diff] [blame] | 76 | /* Copied from pngpriv.h but only used in error messages below. */ |
| 77 | #ifndef PNG_ZBUF_SIZE |
| 78 | # define PNG_ZBUF_SIZE 8192 |
| 79 | #endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 80 | #define FCLOSE(file) fclose(file) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 81 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 82 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 83 | typedef FILE * png_FILE_p; |
Glenn Randers-Pehrson | be9de0f | 2001-01-22 08:52:16 -0600 | [diff] [blame] | 84 | #endif |
| 85 | |
Glenn Randers-Pehrson | c3cd22b | 2010-03-08 21:10:25 -0600 | [diff] [blame] | 86 | /* Makes pngtest verbose so we can find problems. */ |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 87 | #ifndef PNG_DEBUG |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 88 | # define PNG_DEBUG 0 |
| 89 | #endif |
| 90 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 91 | #if PNG_DEBUG > 1 |
| 92 | # define pngtest_debug(m) ((void)fprintf(stderr, m "\n")) |
| 93 | # define pngtest_debug1(m,p1) ((void)fprintf(stderr, m "\n", p1)) |
| 94 | # define pngtest_debug2(m,p1,p2) ((void)fprintf(stderr, m "\n", p1, p2)) |
| 95 | #else |
| 96 | # define pngtest_debug(m) ((void)0) |
| 97 | # define pngtest_debug1(m,p1) ((void)0) |
| 98 | # define pngtest_debug2(m,p1,p2) ((void)0) |
| 99 | #endif |
Glenn Randers-Pehrson | c3cd22b | 2010-03-08 21:10:25 -0600 | [diff] [blame] | 100 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 101 | #if !PNG_DEBUG |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 102 | # define SINGLE_ROWBUF_ALLOC /* Makes buffer overruns easier to nail */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 103 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 104 | |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 105 | #ifndef PNG_UNUSED |
| 106 | # define PNG_UNUSED(param) (void)param; |
| 107 | #endif |
| 108 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 109 | /* Turn on CPU timing |
| 110 | #define PNGTEST_TIMING |
| 111 | */ |
| 112 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 113 | #ifndef PNG_FLOATING_POINT_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 114 | #undef PNGTEST_TIMING |
| 115 | #endif |
| 116 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 117 | #ifdef PNGTEST_TIMING |
| 118 | static float t_start, t_stop, t_decode, t_encode, t_misc; |
| 119 | #include <time.h> |
| 120 | #endif |
| 121 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 122 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | a5fa5c9 | 2008-09-06 07:06:22 -0500 | [diff] [blame] | 123 | #define PNG_tIME_STRING_LENGTH 29 |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 124 | static int tIME_chunk_present = 0; |
Glenn Randers-Pehrson | a5fa5c9 | 2008-09-06 07:06:22 -0500 | [diff] [blame] | 125 | static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 126 | |
| 127 | #if PNG_LIBPNG_VER < 10619 |
| 128 | #define png_convert_to_rfc1123_buffer(ts, t) tIME_to_str(read_ptr, ts, t) |
| 129 | |
| 130 | static int |
| 131 | tIME_to_str(png_structp png_ptr, png_charp ts, png_const_timep t) |
| 132 | { |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 133 | png_const_charp str = png_convert_to_rfc1123(png_ptr, t); |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 134 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 135 | if (str == NULL) |
| 136 | return 0; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 137 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 138 | strcpy(ts, str); |
| 139 | return 1; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 140 | } |
| 141 | #endif /* older libpng */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 142 | #endif |
| 143 | |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 144 | static int verbose = 0; |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 145 | static int strict = 0; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 146 | static int relaxed = 0; |
Glenn Randers-Pehrson | 2073928 | 2017-08-04 14:17:28 -0500 | [diff] [blame] | 147 | static int xfail = 0; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 148 | static int unsupported_chunks = 0; /* chunk unsupported by libpng in input */ |
| 149 | static int error_count = 0; /* count calls to png_error */ |
| 150 | static int warning_count = 0; /* count calls to png_warning */ |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 151 | |
Glenn Randers-Pehrson | a7dbcba | 2007-05-15 16:16:34 -0500 | [diff] [blame] | 152 | /* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ |
| 153 | #ifndef png_jmpbuf |
| 154 | # define png_jmpbuf(png_ptr) png_ptr->jmpbuf |
| 155 | #endif |
| 156 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 157 | /* Defines for unknown chunk handling if required. */ |
| 158 | #ifndef PNG_HANDLE_CHUNK_ALWAYS |
| 159 | # define PNG_HANDLE_CHUNK_ALWAYS 3 |
| 160 | #endif |
| 161 | #ifndef PNG_HANDLE_CHUNK_IF_SAFE |
| 162 | # define PNG_HANDLE_CHUNK_IF_SAFE 2 |
| 163 | #endif |
| 164 | |
| 165 | /* Utility to save typing/errors, the argument must be a name */ |
| 166 | #define MEMZERO(var) ((void)memset(&var, 0, sizeof var)) |
| 167 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 168 | /* Example of using row callbacks to make a simple progress meter */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 169 | static int status_pass = 1; |
| 170 | static int status_dots_requested = 0; |
| 171 | static int status_dots = 1; |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 172 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 173 | static void PNGCBAPI |
Glenn Randers-Pehrson | 7cd899c | 1998-03-07 16:17:42 -0600 | [diff] [blame] | 174 | 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] | 175 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 176 | if (png_ptr == NULL || row_number > PNG_UINT_31_MAX) |
| 177 | return; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 178 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 179 | if (status_pass != pass) |
| 180 | { |
| 181 | fprintf(stdout, "\n Pass %d: ", pass); |
| 182 | status_pass = pass; |
| 183 | status_dots = 31; |
| 184 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 185 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 186 | status_dots--; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 187 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 188 | if (status_dots == 0) |
| 189 | { |
| 190 | fprintf(stdout, "\n "); |
| 191 | status_dots=30; |
| 192 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 193 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 194 | fprintf(stdout, "r"); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 195 | } |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 196 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 197 | #ifdef PNG_WRITE_SUPPORTED |
| 198 | static void PNGCBAPI |
Glenn Randers-Pehrson | 7cd899c | 1998-03-07 16:17:42 -0600 | [diff] [blame] | 199 | 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] | 200 | { |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 201 | if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7) |
| 202 | return; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 203 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 204 | fprintf(stdout, "w"); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 205 | } |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 206 | #endif |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 207 | |
| 208 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 209 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 210 | /* Example of using a user transform callback (doesn't do anything at present). |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 211 | */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 212 | static void PNGCBAPI |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 213 | read_user_callback(png_structp png_ptr, png_row_infop row_info, png_bytep data) |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 214 | { |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 215 | PNG_UNUSED(png_ptr) |
| 216 | PNG_UNUSED(row_info) |
| 217 | PNG_UNUSED(data) |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 218 | } |
| 219 | #endif |
| 220 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 221 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 222 | /* 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] | 223 | * but merely count the zero samples) |
| 224 | */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 225 | |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 226 | static png_uint_32 zero_samples; |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 227 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 228 | static void PNGCBAPI |
Glenn Randers-Pehrson | 896239b | 1998-04-21 15:03:57 -0500 | [diff] [blame] | 229 | 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] | 230 | { |
| 231 | png_bytep dp = data; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 232 | if (png_ptr == NULL) |
| 233 | return; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 234 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 235 | /* Contents of row_info: |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 236 | * png_uint_32 width width of row |
| 237 | * png_uint_32 rowbytes number of bytes in row |
| 238 | * png_byte color_type color type of pixels |
| 239 | * png_byte bit_depth bit depth of samples |
| 240 | * png_byte channels number of channels (1-4) |
| 241 | * png_byte pixel_depth bits per pixel (depth*channels) |
| 242 | */ |
| 243 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 244 | /* 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] | 245 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 246 | if (row_info->color_type == 0 || row_info->color_type == 3) |
| 247 | { |
| 248 | int pos = 0; |
| 249 | png_uint_32 n, nstop; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 250 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 251 | for (n = 0, nstop=row_info->width; n<nstop; n++) |
| 252 | { |
| 253 | if (row_info->bit_depth == 1) |
| 254 | { |
| 255 | if (((*dp << pos++ ) & 0x80) == 0) |
| 256 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 257 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 258 | if (pos == 8) |
| 259 | { |
| 260 | pos = 0; |
| 261 | dp++; |
| 262 | } |
| 263 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 264 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 265 | if (row_info->bit_depth == 2) |
| 266 | { |
| 267 | if (((*dp << (pos+=2)) & 0xc0) == 0) |
| 268 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 269 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 270 | if (pos == 8) |
| 271 | { |
| 272 | pos = 0; |
| 273 | dp++; |
| 274 | } |
| 275 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 276 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 277 | if (row_info->bit_depth == 4) |
| 278 | { |
| 279 | if (((*dp << (pos+=4)) & 0xf0) == 0) |
| 280 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 281 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 282 | if (pos == 8) |
| 283 | { |
| 284 | pos = 0; |
| 285 | dp++; |
| 286 | } |
| 287 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 288 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 289 | if (row_info->bit_depth == 8) |
| 290 | if (*dp++ == 0) |
| 291 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 292 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 293 | if (row_info->bit_depth == 16) |
| 294 | { |
| 295 | if ((*dp | *(dp+1)) == 0) |
| 296 | zero_samples++; |
| 297 | dp+=2; |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | else /* Other color types */ |
| 302 | { |
| 303 | png_uint_32 n, nstop; |
| 304 | int channel; |
| 305 | int color_channels = row_info->channels; |
| 306 | if (row_info->color_type > 3) |
| 307 | color_channels--; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 308 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 309 | for (n = 0, nstop=row_info->width; n<nstop; n++) |
| 310 | { |
| 311 | for (channel = 0; channel < color_channels; channel++) |
| 312 | { |
| 313 | if (row_info->bit_depth == 8) |
| 314 | if (*dp++ == 0) |
| 315 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 316 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 317 | if (row_info->bit_depth == 16) |
| 318 | { |
| 319 | if ((*dp | *(dp+1)) == 0) |
| 320 | zero_samples++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 321 | |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 322 | dp+=2; |
| 323 | } |
| 324 | } |
| 325 | if (row_info->color_type > 3) |
| 326 | { |
| 327 | dp++; |
| 328 | if (row_info->bit_depth == 16) |
| 329 | dp++; |
| 330 | } |
| 331 | } |
| 332 | } |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 333 | } |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 334 | #endif /* WRITE_USER_TRANSFORM */ |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 335 | |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 336 | #ifndef PNG_STDIO_SUPPORTED |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 337 | /* START of code to validate stdio-free compilation */ |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 338 | /* These copies of the default read/write functions come from pngrio.c and |
| 339 | * pngwio.c. They allow "don't include stdio" testing of the library. |
| 340 | * This is the function that does the actual reading of data. If you are |
| 341 | * not reading from a standard C stream, you should create a replacement |
| 342 | * read_data function and use it at run time with png_set_read_fn(), rather |
| 343 | * than changing the library. |
| 344 | */ |
Glenn Randers-Pehrson | be9de0f | 2001-01-22 08:52:16 -0600 | [diff] [blame] | 345 | |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 346 | #ifdef PNG_IO_STATE_SUPPORTED |
| 347 | void |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 348 | pngtest_check_io_state(png_structp png_ptr, size_t data_length, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 349 | png_uint_32 io_op); |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 350 | void |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 351 | pngtest_check_io_state(png_structp png_ptr, size_t data_length, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 352 | png_uint_32 io_op) |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 353 | { |
| 354 | png_uint_32 io_state = png_get_io_state(png_ptr); |
| 355 | int err = 0; |
| 356 | |
| 357 | /* Check if the current operation (reading / writing) is as expected. */ |
| 358 | if ((io_state & PNG_IO_MASK_OP) != io_op) |
| 359 | png_error(png_ptr, "Incorrect operation in I/O state"); |
| 360 | |
| 361 | /* Check if the buffer size specific to the current location |
| 362 | * (file signature / header / data / crc) is as expected. |
| 363 | */ |
| 364 | switch (io_state & PNG_IO_MASK_LOC) |
| 365 | { |
| 366 | case PNG_IO_SIGNATURE: |
| 367 | if (data_length > 8) |
| 368 | err = 1; |
| 369 | break; |
| 370 | case PNG_IO_CHUNK_HDR: |
| 371 | if (data_length != 8) |
| 372 | err = 1; |
| 373 | break; |
| 374 | case PNG_IO_CHUNK_DATA: |
| 375 | break; /* no restrictions here */ |
| 376 | case PNG_IO_CHUNK_CRC: |
| 377 | if (data_length != 4) |
| 378 | err = 1; |
| 379 | break; |
| 380 | default: |
| 381 | err = 1; /* uninitialized */ |
| 382 | } |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 383 | if (err != 0) |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 384 | png_error(png_ptr, "Bad I/O state or buffer size"); |
| 385 | } |
| 386 | #endif |
| 387 | |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 388 | static void PNGCBAPI |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 389 | pngtest_read_data(png_structp png_ptr, png_bytep data, size_t length) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 390 | { |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 391 | size_t check = 0; |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 392 | png_voidp io_ptr; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 393 | |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 394 | /* fread() returns 0 on error, so it is OK to store this in a size_t |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 395 | * instead of an int, which is what fread() actually returns. |
| 396 | */ |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 397 | io_ptr = png_get_io_ptr(png_ptr); |
| 398 | if (io_ptr != NULL) |
| 399 | { |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 400 | check = fread(data, 1, length, (png_FILE_p)io_ptr); |
Glenn Randers-Pehrson | a0e0c6c | 2010-01-01 18:31:26 -0600 | [diff] [blame] | 401 | } |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 402 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 403 | if (check != length) |
| 404 | { |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 405 | png_error(png_ptr, "Read Error"); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 406 | } |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 407 | |
| 408 | #ifdef PNG_IO_STATE_SUPPORTED |
| 409 | pngtest_check_io_state(png_ptr, length, PNG_IO_READING); |
| 410 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 411 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 412 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 413 | #ifdef PNG_WRITE_FLUSH_SUPPORTED |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 414 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 415 | pngtest_flush(png_structp png_ptr) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 416 | { |
Glenn Randers-Pehrson | 8fb550c | 2009-03-21 08:15:32 -0500 | [diff] [blame] | 417 | /* 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] | 418 | PNG_UNUSED(png_ptr) /* Stifle compiler warning */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 419 | } |
| 420 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 421 | |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 422 | /* 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] | 423 | * not writing to a standard C stream, you should create a replacement |
| 424 | * write_data function and use it at run time with png_set_write_fn(), rather |
| 425 | * than changing the library. |
| 426 | */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 427 | static void PNGCBAPI |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 428 | pngtest_write_data(png_structp png_ptr, png_bytep data, size_t length) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 429 | { |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 430 | size_t check; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 431 | |
Glenn Randers-Pehrson | 526a6ad | 2010-03-11 05:42:20 -0600 | [diff] [blame] | 432 | 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] | 433 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 434 | if (check != length) |
| 435 | { |
| 436 | png_error(png_ptr, "Write Error"); |
| 437 | } |
Glenn Randers-Pehrson | a581556 | 2010-11-20 21:48:29 -0600 | [diff] [blame] | 438 | |
| 439 | #ifdef PNG_IO_STATE_SUPPORTED |
| 440 | pngtest_check_io_state(png_ptr, length, PNG_IO_WRITING); |
| 441 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 442 | } |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 443 | #endif /* !STDIO */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 444 | |
| 445 | /* This function is called when there is a warning, but the library thinks |
| 446 | * it can continue anyway. Replacement functions don't have to do anything |
| 447 | * here if you don't want to. In the default configuration, png_ptr is |
| 448 | * not used, but it is passed in case it may be useful. |
| 449 | */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 450 | typedef struct |
| 451 | { |
Cosmin Truta | 1ef8882 | 2018-08-18 21:01:02 -0400 | [diff] [blame] | 452 | const char *file_name; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 453 | } pngtest_error_parameters; |
| 454 | |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 455 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 456 | pngtest_warning(png_structp png_ptr, png_const_charp message) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 457 | { |
Cosmin Truta | 1ef8882 | 2018-08-18 21:01:02 -0400 | [diff] [blame] | 458 | const char *name = "UNKNOWN (ERROR!)"; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 459 | pngtest_error_parameters *test = |
| 460 | (pngtest_error_parameters*)png_get_error_ptr(png_ptr); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 461 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 462 | ++warning_count; |
John Bowler | ad5a993 | 2012-08-10 13:15:07 -0500 | [diff] [blame] | 463 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 464 | if (test != NULL && test->file_name != NULL) |
| 465 | name = test->file_name; |
| 466 | |
Glenn Randers-Pehrson | a64c8ca | 2017-08-04 20:04:58 -0500 | [diff] [blame] | 467 | fprintf(STDERR, "\n%s: libpng warning: %s\n", name, message); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | /* This is the default error handling function. Note that replacements for |
| 471 | * this function MUST NOT RETURN, or the program will likely crash. This |
| 472 | * function is used by default, or if the program supplies NULL for the |
| 473 | * error function pointer in png_set_error_fn(). |
| 474 | */ |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 475 | static void PNGCBAPI |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 476 | pngtest_error(png_structp png_ptr, png_const_charp message) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 477 | { |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 478 | ++error_count; |
| 479 | |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 480 | pngtest_warning(png_ptr, message); |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 481 | /* 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] | 482 | * actually OK in this case. |
| 483 | */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 484 | } |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 485 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 486 | /* END of code to validate stdio-free compilation */ |
| 487 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 488 | /* START of code to validate memory allocation and deallocation */ |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 489 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 490 | |
| 491 | /* Allocate memory. For reasonable files, size should never exceed |
Glenn Randers-Pehrson | bbe2be3 | 2015-03-07 13:13:11 -0600 | [diff] [blame] | 492 | * 64K. However, zlib may allocate more than 64K if you don't tell |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 493 | * it not to. See zconf.h and png.h for more information. zlib does |
| 494 | * need to allocate exactly 64K, so whatever you call here must |
| 495 | * have the ability to do that. |
| 496 | * |
| 497 | * This piece of code can be compiled to validate max 64K allocations |
| 498 | * by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K. |
| 499 | */ |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 500 | typedef struct memory_information |
| 501 | { |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 502 | png_alloc_size_t size; |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 503 | png_voidp pointer; |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 504 | struct memory_information *next; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 505 | } memory_information; |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 506 | typedef memory_information *memory_infop; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 507 | |
| 508 | static memory_infop pinformation = NULL; |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 509 | static int current_allocation = 0; |
| 510 | static int maximum_allocation = 0; |
| 511 | static int total_allocation = 0; |
| 512 | static int num_allocations = 0; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 513 | |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 514 | png_voidp PNGCBAPI png_debug_malloc PNGARG((png_structp png_ptr, |
| 515 | png_alloc_size_t size)); |
| 516 | 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] | 517 | |
| 518 | png_voidp |
Glenn Randers-Pehrson | d7da8bb | 2010-03-13 20:30:10 -0600 | [diff] [blame] | 519 | 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] | 520 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 521 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 522 | /* 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] | 523 | * png_debug_malloc directly, with png_ptr == NULL which is OK |
| 524 | */ |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 525 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 526 | if (size == 0) |
Glenn Randers-Pehrson | 3f54925 | 2001-10-27 07:35:13 -0500 | [diff] [blame] | 527 | return (NULL); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 528 | |
| 529 | /* This calls the library allocator twice, once to get the requested |
| 530 | buffer and once to get a new free list entry. */ |
| 531 | { |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 532 | /* Disable malloc_fn and free_fn */ |
Glenn Randers-Pehrson | 36d7bc7 | 2004-08-10 06:55:02 -0500 | [diff] [blame] | 533 | memory_infop pinfo; |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 534 | png_set_mem_fn(png_ptr, NULL, NULL, NULL); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 535 | pinfo = (memory_infop)png_malloc(png_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 536 | (sizeof *pinfo)); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 537 | pinfo->size = size; |
| 538 | current_allocation += size; |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 539 | total_allocation += size; |
| 540 | num_allocations ++; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 541 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 542 | if (current_allocation > maximum_allocation) |
| 543 | maximum_allocation = current_allocation; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 544 | |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 545 | pinfo->pointer = png_malloc(png_ptr, size); |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 546 | /* Restore malloc_fn and free_fn */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 547 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 548 | png_set_mem_fn(png_ptr, |
| 549 | NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 550 | |
Glenn Randers-Pehrson | 272489d | 2004-08-04 06:34:52 -0500 | [diff] [blame] | 551 | if (size != 0 && pinfo->pointer == NULL) |
| 552 | { |
| 553 | current_allocation -= size; |
| 554 | total_allocation -= size; |
Glenn Randers-Pehrson | dff799e | 2004-08-07 21:42:49 -0500 | [diff] [blame] | 555 | png_error(png_ptr, |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 556 | "out of memory in pngtest->png_debug_malloc"); |
Glenn Randers-Pehrson | 272489d | 2004-08-04 06:34:52 -0500 | [diff] [blame] | 557 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 558 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 559 | pinfo->next = pinformation; |
| 560 | pinformation = pinfo; |
| 561 | /* Make sure the caller isn't assuming zeroed memory. */ |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 562 | memset(pinfo->pointer, 0xdd, pinfo->size); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 563 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 564 | if (verbose != 0) |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 565 | printf("png_malloc %lu bytes at %p\n", (unsigned long)size, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 566 | pinfo->pointer); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 567 | |
Glenn Randers-Pehrson | 0f881d6 | 1998-02-07 10:20:57 -0600 | [diff] [blame] | 568 | return (png_voidp)(pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 569 | } |
| 570 | } |
| 571 | |
| 572 | /* 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] | 573 | void PNGCBAPI |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 574 | png_debug_free(png_structp png_ptr, png_voidp ptr) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 575 | { |
| 576 | if (png_ptr == NULL) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 577 | fprintf(STDERR, "NULL pointer to png_debug_free.\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 578 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 579 | if (ptr == 0) |
| 580 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 581 | #if 0 /* This happens all the time. */ |
| 582 | fprintf(STDERR, "WARNING: freeing NULL pointer\n"); |
| 583 | #endif |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | /* Unlink the element from the list. */ |
Glenn Randers-Pehrson | d2fedd6 | 2015-05-09 21:47:00 -0500 | [diff] [blame] | 588 | if (pinformation != NULL) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 589 | { |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 590 | memory_infop *ppinfo = &pinformation; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 591 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 592 | for (;;) |
| 593 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 594 | memory_infop pinfo = *ppinfo; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 595 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 596 | if (pinfo->pointer == ptr) |
| 597 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 598 | *ppinfo = pinfo->next; |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 599 | current_allocation -= pinfo->size; |
| 600 | if (current_allocation < 0) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 601 | fprintf(STDERR, "Duplicate free of memory\n"); |
| 602 | /* We must free the list element too, but first kill |
Glenn Randers-Pehrson | 8686fff | 1998-05-21 09:27:50 -0500 | [diff] [blame] | 603 | the memory that is to be freed. */ |
John Bowler | baeb6d1 | 2011-11-26 18:21:02 -0600 | [diff] [blame] | 604 | memset(ptr, 0x55, pinfo->size); |
Glenn Randers-Pehrson | d2fedd6 | 2015-05-09 21:47:00 -0500 | [diff] [blame] | 605 | free(pinfo); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 606 | pinfo = NULL; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 607 | break; |
| 608 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 609 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 610 | if (pinfo->next == NULL) |
| 611 | { |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 612 | fprintf(STDERR, "Pointer %p not found\n", ptr); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 613 | break; |
| 614 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 615 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 616 | ppinfo = &pinfo->next; |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | /* Finally free the data. */ |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 621 | if (verbose != 0) |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 622 | printf("Freeing %p\n", ptr); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 623 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 624 | if (ptr != NULL) |
Glenn Randers-Pehrson | 83b132f | 2013-11-28 14:00:04 -0600 | [diff] [blame] | 625 | free(ptr); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 626 | ptr = NULL; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 627 | } |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 628 | #endif /* USER_MEM && DEBUG */ |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 629 | /* END of code to test memory allocation/deallocation */ |
| 630 | |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 631 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 632 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 633 | /* Demonstration of user chunk support of the sTER and vpAg chunks */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 634 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 635 | /* (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] | 636 | chunk used in ImageMagick to store "virtual page" size). */ |
| 637 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 638 | static struct user_chunk_data |
| 639 | { |
| 640 | png_const_infop info_ptr; |
| 641 | png_uint_32 vpAg_width, vpAg_height; |
| 642 | png_byte vpAg_units; |
| 643 | png_byte sTER_mode; |
| 644 | int location[2]; |
| 645 | } |
| 646 | user_chunk_data; |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 647 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 648 | /* Used for location and order; zero means nothing. */ |
| 649 | #define have_sTER 0x01 |
| 650 | #define have_vpAg 0x02 |
| 651 | #define before_PLTE 0x10 |
| 652 | #define before_IDAT 0x20 |
| 653 | #define after_IDAT 0x40 |
| 654 | |
| 655 | static void |
| 656 | init_callback_info(png_const_infop info_ptr) |
| 657 | { |
| 658 | MEMZERO(user_chunk_data); |
| 659 | user_chunk_data.info_ptr = info_ptr; |
| 660 | } |
| 661 | |
| 662 | static int |
| 663 | set_location(png_structp png_ptr, struct user_chunk_data *data, int what) |
| 664 | { |
| 665 | int location; |
| 666 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 667 | if ((data->location[0] & what) != 0 || (data->location[1] & what) != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 668 | return 0; /* already have one of these */ |
| 669 | |
Glenn Randers-Pehrson | 6cae24c | 2014-10-13 11:11:21 -0500 | [diff] [blame] | 670 | /* Find where we are (the code below zeroes info_ptr to indicate that the |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 671 | * chunks before the first IDAT have been read.) |
| 672 | */ |
| 673 | if (data->info_ptr == NULL) /* after IDAT */ |
| 674 | location = what | after_IDAT; |
| 675 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 676 | else if (png_get_valid(png_ptr, data->info_ptr, PNG_INFO_PLTE) != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 677 | location = what | before_IDAT; |
| 678 | |
| 679 | else |
| 680 | location = what | before_PLTE; |
| 681 | |
| 682 | if (data->location[0] == 0) |
| 683 | data->location[0] = location; |
| 684 | |
| 685 | else |
| 686 | data->location[1] = location; |
| 687 | |
| 688 | return 1; /* handled */ |
| 689 | } |
John Bowler | 3c1f698 | 2012-08-16 20:47:34 -0500 | [diff] [blame] | 690 | |
Glenn Randers-Pehrson | 24afd07 | 2014-03-05 16:55:19 -0600 | [diff] [blame] | 691 | static int PNGCBAPI |
Glenn Randers-Pehrson | c978642 | 2014-03-05 17:14:16 -0600 | [diff] [blame] | 692 | read_user_chunk_callback(png_struct *png_ptr, png_unknown_chunkp chunk) |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 693 | { |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 694 | struct user_chunk_data *my_user_chunk_data = |
| 695 | (struct user_chunk_data*)png_get_user_chunk_ptr(png_ptr); |
| 696 | |
| 697 | if (my_user_chunk_data == NULL) |
| 698 | png_error(png_ptr, "lost user chunk pointer"); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 699 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 700 | /* Return one of the following: |
| 701 | * return (-n); chunk had an error |
| 702 | * return (0); did not recognize |
| 703 | * return (n); success |
| 704 | * |
| 705 | * The unknown chunk structure contains the chunk data: |
| 706 | * png_byte name[5]; |
| 707 | * png_byte *data; |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 708 | * size_t size; |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 709 | * |
| 710 | * Note that libpng has already taken care of the CRC handling. |
| 711 | */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 712 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 713 | if (chunk->name[0] == 115 && chunk->name[1] == 84 && /* s T */ |
| 714 | chunk->name[2] == 69 && chunk->name[3] == 82) /* E R */ |
| 715 | { |
| 716 | /* Found sTER chunk */ |
| 717 | if (chunk->size != 1) |
| 718 | return (-1); /* Error return */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 719 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 720 | if (chunk->data[0] != 0 && chunk->data[0] != 1) |
| 721 | return (-1); /* Invalid mode */ |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 722 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 723 | if (set_location(png_ptr, my_user_chunk_data, have_sTER) != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 724 | { |
| 725 | my_user_chunk_data->sTER_mode=chunk->data[0]; |
| 726 | return (1); |
| 727 | } |
| 728 | |
| 729 | else |
| 730 | return (0); /* duplicate sTER - give it to libpng */ |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 731 | } |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 732 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 733 | if (chunk->name[0] != 118 || chunk->name[1] != 112 || /* v p */ |
| 734 | chunk->name[2] != 65 || chunk->name[3] != 103) /* A g */ |
| 735 | return (0); /* Did not recognize */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 736 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 737 | /* Found ImageMagick vpAg chunk */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 738 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 739 | if (chunk->size != 9) |
| 740 | return (-1); /* Error return */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 741 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 742 | if (set_location(png_ptr, my_user_chunk_data, have_vpAg) == 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 743 | return (0); /* duplicate vpAg */ |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 744 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 745 | my_user_chunk_data->vpAg_width = png_get_uint_31(png_ptr, chunk->data); |
| 746 | my_user_chunk_data->vpAg_height = png_get_uint_31(png_ptr, chunk->data + 4); |
| 747 | my_user_chunk_data->vpAg_units = chunk->data[8]; |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 748 | |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 749 | return (1); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 750 | } |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 751 | |
| 752 | #ifdef PNG_WRITE_SUPPORTED |
| 753 | static void |
| 754 | write_sTER_chunk(png_structp write_ptr) |
| 755 | { |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 756 | png_byte sTER[5] = {115, 84, 69, 82, '\0'}; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 757 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 758 | if (verbose != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 759 | fprintf(STDERR, "\n stereo mode = %d\n", user_chunk_data.sTER_mode); |
| 760 | |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 761 | png_write_chunk(write_ptr, sTER, &user_chunk_data.sTER_mode, 1); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | static void |
| 765 | write_vpAg_chunk(png_structp write_ptr) |
| 766 | { |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 767 | png_byte vpAg[5] = {118, 112, 65, 103, '\0'}; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 768 | |
| 769 | png_byte vpag_chunk_data[9]; |
| 770 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 771 | if (verbose != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 772 | fprintf(STDERR, " vpAg = %lu x %lu, units = %d\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 773 | (unsigned long)user_chunk_data.vpAg_width, |
| 774 | (unsigned long)user_chunk_data.vpAg_height, |
| 775 | user_chunk_data.vpAg_units); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 776 | |
| 777 | png_save_uint_32(vpag_chunk_data, user_chunk_data.vpAg_width); |
| 778 | png_save_uint_32(vpag_chunk_data + 4, user_chunk_data.vpAg_height); |
| 779 | vpag_chunk_data[8] = user_chunk_data.vpAg_units; |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 780 | png_write_chunk(write_ptr, vpAg, vpag_chunk_data, 9); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | static void |
| 784 | write_chunks(png_structp write_ptr, int location) |
| 785 | { |
| 786 | int i; |
| 787 | |
| 788 | /* Notice that this preserves the original chunk order, however chunks |
| 789 | * intercepted by the callback will be written *after* chunks passed to |
| 790 | * libpng. This will actually reverse a pair of sTER chunks or a pair of |
| 791 | * vpAg chunks, resulting in an error later. This is not worth worrying |
| 792 | * about - the chunks should not be duplicated! |
| 793 | */ |
| 794 | for (i=0; i<2; ++i) |
| 795 | { |
| 796 | if (user_chunk_data.location[i] == (location | have_sTER)) |
| 797 | write_sTER_chunk(write_ptr); |
| 798 | |
| 799 | else if (user_chunk_data.location[i] == (location | have_vpAg)) |
| 800 | write_vpAg_chunk(write_ptr); |
| 801 | } |
| 802 | } |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 803 | #endif /* WRITE */ |
| 804 | #else /* !READ_USER_CHUNKS */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 805 | # define write_chunks(pp,loc) ((void)0) |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 806 | #endif |
| 807 | /* END of code to demonstrate user chunk support */ |
| 808 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 809 | /* START of code to check that libpng has the required text support; this only |
| 810 | * checks for the write support because if read support is missing the chunk |
| 811 | * will simply not be reported back to pngtest. |
| 812 | */ |
| 813 | #ifdef PNG_TEXT_SUPPORTED |
| 814 | static void |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 815 | pngtest_check_text_support(png_structp png_ptr, png_textp text_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 816 | int num_text) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 817 | { |
| 818 | while (num_text > 0) |
| 819 | { |
| 820 | switch (text_ptr[--num_text].compression) |
| 821 | { |
| 822 | case PNG_TEXT_COMPRESSION_NONE: |
| 823 | break; |
| 824 | |
| 825 | case PNG_TEXT_COMPRESSION_zTXt: |
| 826 | # ifndef PNG_WRITE_zTXt_SUPPORTED |
| 827 | ++unsupported_chunks; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 828 | /* In libpng 1.7 this now does an app-error, so stop it: */ |
| 829 | text_ptr[num_text].compression = PNG_TEXT_COMPRESSION_NONE; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 830 | # endif |
| 831 | break; |
| 832 | |
| 833 | case PNG_ITXT_COMPRESSION_NONE: |
| 834 | case PNG_ITXT_COMPRESSION_zTXt: |
| 835 | # ifndef PNG_WRITE_iTXt_SUPPORTED |
| 836 | ++unsupported_chunks; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 837 | text_ptr[num_text].compression = PNG_TEXT_COMPRESSION_NONE; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 838 | # endif |
| 839 | break; |
| 840 | |
| 841 | default: |
| 842 | /* This is an error */ |
| 843 | png_error(png_ptr, "invalid text chunk compression field"); |
| 844 | break; |
| 845 | } |
| 846 | } |
| 847 | } |
| 848 | #endif |
| 849 | /* END of code to check that libpng has the required text support */ |
| 850 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 851 | /* Test one file */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 852 | static int |
Cosmin Truta | 1ef8882 | 2018-08-18 21:01:02 -0400 | [diff] [blame] | 853 | test_one_file(const char *inname, const char *outname) |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 854 | { |
Glenn Randers-Pehrson | 316f97a | 2000-07-08 13:19:41 -0500 | [diff] [blame] | 855 | static png_FILE_p fpin; |
| 856 | static png_FILE_p fpout; /* "static" prevents setjmp corruption */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 857 | pngtest_error_parameters error_parameters; |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 858 | png_structp read_ptr; |
| 859 | png_infop read_info_ptr, end_info_ptr; |
| 860 | #ifdef PNG_WRITE_SUPPORTED |
| 861 | png_structp write_ptr; |
| 862 | png_infop write_info_ptr; |
| 863 | png_infop write_end_info_ptr; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 864 | #ifdef PNG_WRITE_FILTER_SUPPORTED |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 865 | int interlace_preserved = 1; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 866 | #endif /* WRITE_FILTER */ |
| 867 | #else /* !WRITE */ |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 868 | png_structp write_ptr = NULL; |
| 869 | png_infop write_info_ptr = NULL; |
| 870 | png_infop write_end_info_ptr = NULL; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 871 | #endif /* !WRITE */ |
Guy Schalnat | b2e01bd | 1996-01-26 01:38:47 -0600 | [diff] [blame] | 872 | png_bytep row_buf; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 873 | png_uint_32 y; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 874 | png_uint_32 width, height; |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 875 | volatile int num_passes; |
| 876 | int pass; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 877 | int bit_depth, color_type; |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 878 | |
Glenn Randers-Pehrson | 3f54925 | 2001-10-27 07:35:13 -0500 | [diff] [blame] | 879 | row_buf = NULL; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 880 | error_parameters.file_name = inname; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 881 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 882 | if ((fpin = fopen(inname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 883 | { |
| 884 | fprintf(STDERR, "Could not find input file %s\n", inname); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 885 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 886 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 887 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 888 | if ((fpout = fopen(outname, "wb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 889 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 890 | fprintf(STDERR, "Could not open output file %s\n", outname); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 891 | FCLOSE(fpin); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 892 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 893 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 894 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 895 | pngtest_debug("Allocating read and write structures"); |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 896 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 897 | read_ptr = |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 898 | png_create_read_struct_2(PNG_LIBPNG_VER_STRING, NULL, |
| 899 | NULL, NULL, NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 900 | #else |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 901 | read_ptr = |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 902 | png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 903 | #endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 904 | png_set_error_fn(read_ptr, &error_parameters, pngtest_error, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 905 | pngtest_warning); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 906 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 907 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 908 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 909 | write_ptr = |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 910 | png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, |
| 911 | NULL, NULL, NULL, png_debug_malloc, png_debug_free); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 912 | #else |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 913 | write_ptr = |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 914 | png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 915 | #endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 916 | png_set_error_fn(write_ptr, &error_parameters, pngtest_error, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 917 | pngtest_warning); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 918 | #endif |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 919 | pngtest_debug("Allocating read_info, write_info and end_info structures"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 920 | read_info_ptr = png_create_info_struct(read_ptr); |
Glenn Randers-Pehrson | 1fd5fb3 | 2001-05-06 05:34:26 -0500 | [diff] [blame] | 921 | end_info_ptr = png_create_info_struct(read_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 922 | #ifdef PNG_WRITE_SUPPORTED |
| 923 | write_info_ptr = png_create_info_struct(write_ptr); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 924 | write_end_info_ptr = png_create_info_struct(write_ptr); |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 925 | #endif |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 926 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 927 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
| 928 | init_callback_info(read_info_ptr); |
| 929 | png_set_read_user_chunk_fn(read_ptr, &user_chunk_data, |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 930 | read_user_chunk_callback); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 931 | #endif |
| 932 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 933 | #ifdef PNG_SETJMP_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 934 | pngtest_debug("Setting jmpbuf for read struct"); |
Glenn Randers-Pehrson | 520a764 | 2000-03-21 05:13:06 -0600 | [diff] [blame] | 935 | if (setjmp(png_jmpbuf(read_ptr))) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 936 | { |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 937 | fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 938 | png_free(read_ptr, row_buf); |
| 939 | row_buf = NULL; |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 940 | if (verbose != 0) |
| 941 | fprintf(STDERR, " destroy read structs\n"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 942 | 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] | 943 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 944 | if (verbose != 0) |
| 945 | fprintf(STDERR, " destroy write structs\n"); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 946 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 947 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 948 | #endif |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 949 | FCLOSE(fpin); |
| 950 | FCLOSE(fpout); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 951 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 952 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 953 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 954 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 955 | pngtest_debug("Setting jmpbuf for write struct"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 956 | |
Glenn Randers-Pehrson | 520a764 | 2000-03-21 05:13:06 -0600 | [diff] [blame] | 957 | if (setjmp(png_jmpbuf(write_ptr))) |
Guy Schalnat | b2e01bd | 1996-01-26 01:38:47 -0600 | [diff] [blame] | 958 | { |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 959 | fprintf(STDERR, "%s -> %s: libpng write error\n", inname, outname); |
Cosmin Truta | 8439534 | 2019-02-03 21:00:49 -0500 | [diff] [blame] | 960 | png_free(read_ptr, row_buf); |
| 961 | row_buf = NULL; |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 962 | if (verbose != 0) |
| 963 | fprintf(STDERR, " destroying read structs\n"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 964 | png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr); |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 965 | if (verbose != 0) |
| 966 | fprintf(STDERR, " destroying write structs\n"); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 967 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 968 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 969 | FCLOSE(fpin); |
| 970 | FCLOSE(fpout); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 971 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 972 | } |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 973 | #endif |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 974 | #endif |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 975 | |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 976 | #ifdef PNG_BENIGN_ERRORS_SUPPORTED |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 977 | if (strict != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 978 | { |
| 979 | /* Treat png_benign_error() as errors on read */ |
| 980 | png_set_benign_errors(read_ptr, 0); |
| 981 | |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 982 | # ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 983 | /* Treat them as errors on write */ |
| 984 | png_set_benign_errors(write_ptr, 0); |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 985 | # endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 986 | |
| 987 | /* if strict is not set, then app warnings and errors are treated as |
| 988 | * warnings in release builds, but not in unstable builds; this can be |
| 989 | * changed with '--relaxed'. |
| 990 | */ |
| 991 | } |
| 992 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 993 | else if (relaxed != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 994 | { |
| 995 | /* Allow application (pngtest) errors and warnings to pass */ |
| 996 | png_set_benign_errors(read_ptr, 1); |
| 997 | |
Glenn Randers-Pehrson | dbb5fce | 2016-12-24 16:12:20 -0600 | [diff] [blame] | 998 | /* Turn off CRC checking while reading */ |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 999 | png_set_crc_action(read_ptr, PNG_CRC_QUIET_USE, PNG_CRC_QUIET_USE); |
| 1000 | |
Glenn Randers-Pehrson | 8187ba1 | 2016-12-26 18:15:02 -0600 | [diff] [blame] | 1001 | #ifdef PNG_IGNORE_ADLER32 |
Glenn Randers-Pehrson | dbb5fce | 2016-12-24 16:12:20 -0600 | [diff] [blame] | 1002 | /* Turn off ADLER32 checking while reading */ |
| 1003 | png_set_option(read_ptr, PNG_IGNORE_ADLER32, PNG_OPTION_ON); |
| 1004 | #endif |
| 1005 | |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 1006 | # ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1007 | png_set_benign_errors(write_ptr, 1); |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 1008 | # endif |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1009 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1010 | } |
Glenn Randers-Pehrson | cb1787f | 2016-09-11 22:02:57 -0500 | [diff] [blame] | 1011 | #endif /* BENIGN_ERRORS */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1012 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1013 | pngtest_debug("Initializing input and output streams"); |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 1014 | #ifdef PNG_STDIO_SUPPORTED |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1015 | png_init_io(read_ptr, fpin); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1016 | # ifdef PNG_WRITE_SUPPORTED |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1017 | png_init_io(write_ptr, fpout); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1018 | # endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1019 | #else |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1020 | 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] | 1021 | # ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 104622b | 2000-05-29 08:58:03 -0500 | [diff] [blame] | 1022 | 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] | 1023 | # ifdef PNG_WRITE_FLUSH_SUPPORTED |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1024 | pngtest_flush); |
Glenn Randers-Pehrson | 8b6a889 | 2001-05-18 04:54:50 -0500 | [diff] [blame] | 1025 | # else |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1026 | NULL); |
Glenn Randers-Pehrson | 8b6a889 | 2001-05-18 04:54:50 -0500 | [diff] [blame] | 1027 | # endif |
| 1028 | # endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1029 | #endif |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1030 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1031 | if (status_dots_requested == 1) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1032 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1033 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1034 | png_set_write_status_fn(write_ptr, write_row_callback); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1035 | #endif |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1036 | png_set_read_status_fn(read_ptr, read_row_callback); |
| 1037 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1038 | |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1039 | else |
| 1040 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1041 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 1042 | png_set_write_status_fn(write_ptr, NULL); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1043 | #endif |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 1044 | png_set_read_status_fn(read_ptr, NULL); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1045 | } |
| 1046 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1047 | #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1048 | png_set_read_user_transform_fn(read_ptr, read_user_callback); |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1049 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1050 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1051 | zero_samples = 0; |
Glenn Randers-Pehrson | 4393a9a | 1999-09-17 12:27:26 -0500 | [diff] [blame] | 1052 | png_set_write_user_transform_fn(write_ptr, count_zero_samples); |
| 1053 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1054 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1055 | #ifdef PNG_SET_UNKNOWN_CHUNKS_SUPPORTED |
| 1056 | /* Preserve all the unknown chunks, if possible. If this is disabled then, |
| 1057 | * even if the png_{get,set}_unknown_chunks stuff is enabled, we can't use |
| 1058 | * libpng to *save* the unknown chunks on read (because we can't switch the |
| 1059 | * save option on!) |
| 1060 | * |
| 1061 | * Notice that if SET_UNKNOWN_CHUNKS is *not* supported read will discard all |
| 1062 | * unknown chunks and write will write them all. |
| 1063 | */ |
| 1064 | #ifdef PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1065 | png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1066 | NULL, 0); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1067 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1068 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1069 | png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_ALWAYS, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1070 | NULL, 0); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1071 | #endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1072 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1073 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1074 | pngtest_debug("Reading info struct"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1075 | png_read_info(read_ptr, read_info_ptr); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1076 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1077 | #ifdef PNG_READ_USER_CHUNKS_SUPPORTED |
| 1078 | /* This is a bit of a hack; there is no obvious way in the callback function |
| 1079 | * to determine that the chunks before the first IDAT have been read, so |
| 1080 | * remove the info_ptr (which is only used to determine position relative to |
| 1081 | * PLTE) here to indicate that we are after the IDAT. |
| 1082 | */ |
| 1083 | user_chunk_data.info_ptr = NULL; |
| 1084 | #endif |
| 1085 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1086 | pngtest_debug("Transferring info struct"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1087 | { |
| 1088 | int interlace_type, compression_type, filter_type; |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1089 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1090 | if (png_get_IHDR(read_ptr, read_info_ptr, &width, &height, &bit_depth, |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1091 | &color_type, &interlace_type, &compression_type, &filter_type) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1092 | { |
| 1093 | png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1094 | color_type, interlace_type, compression_type, filter_type); |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1095 | /* num_passes may not be available below if interlace support is not |
| 1096 | * provided by libpng for both read and write. |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 1097 | */ |
| 1098 | switch (interlace_type) |
| 1099 | { |
| 1100 | case PNG_INTERLACE_NONE: |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1101 | num_passes = 1; |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 1102 | break; |
| 1103 | |
| 1104 | case PNG_INTERLACE_ADAM7: |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1105 | num_passes = 7; |
| 1106 | break; |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 1107 | |
| 1108 | default: |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1109 | png_error(read_ptr, "invalid interlace type"); |
| 1110 | /*NOT REACHED*/ |
John Bowler | a847247 | 2013-12-29 10:50:51 -0600 | [diff] [blame] | 1111 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1112 | } |
Glenn Randers-Pehrson | 59e655b | 2015-10-10 12:05:55 -0500 | [diff] [blame] | 1113 | |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1114 | else |
| 1115 | png_error(read_ptr, "png_get_IHDR failed"); |
| 1116 | } |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1117 | #ifdef PNG_FIXED_POINT_SUPPORTED |
| 1118 | #ifdef PNG_cHRM_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1119 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1120 | png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1121 | blue_y; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1122 | |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1123 | if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1124 | &red_x, &red_y, &green_x, &green_y, &blue_x, &blue_y) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1125 | { |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1126 | png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1127 | red_y, green_x, green_y, blue_x, blue_y); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1128 | } |
| 1129 | } |
| 1130 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1131 | #ifdef PNG_gAMA_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1132 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1133 | png_fixed_point gamma; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1134 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1135 | if (png_get_gAMA_fixed(read_ptr, read_info_ptr, &gamma) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1136 | png_set_gAMA_fixed(write_ptr, write_info_ptr, gamma); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1137 | } |
| 1138 | #endif |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1139 | #else /* Use floating point versions */ |
Glenn Randers-Pehrson | dbd4014 | 2009-08-31 08:42:02 -0500 | [diff] [blame] | 1140 | #ifdef PNG_FLOATING_POINT_SUPPORTED |
| 1141 | #ifdef PNG_cHRM_SUPPORTED |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1142 | { |
| 1143 | double white_x, white_y, red_x, red_y, green_x, green_y, blue_x, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1144 | blue_y; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1145 | |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1146 | if (png_get_cHRM(read_ptr, read_info_ptr, &white_x, &white_y, &red_x, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1147 | &red_y, &green_x, &green_y, &blue_x, &blue_y) != 0) |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1148 | { |
| 1149 | png_set_cHRM(write_ptr, write_info_ptr, white_x, white_y, red_x, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1150 | red_y, green_x, green_y, blue_x, blue_y); |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1151 | } |
| 1152 | } |
| 1153 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1154 | #ifdef PNG_gAMA_SUPPORTED |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1155 | { |
| 1156 | double gamma; |
| 1157 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1158 | if (png_get_gAMA(read_ptr, read_info_ptr, &gamma) != 0) |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1159 | png_set_gAMA(write_ptr, write_info_ptr, gamma); |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1160 | } |
| 1161 | #endif |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1162 | #endif /* Floating point */ |
| 1163 | #endif /* Fixed point */ |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1164 | #ifdef PNG_iCCP_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1165 | { |
| 1166 | png_charp name; |
Glenn Randers-Pehrson | 31aee0d | 2010-07-29 17:39:14 -0500 | [diff] [blame] | 1167 | png_bytep profile; |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1168 | png_uint_32 proflen; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1169 | int compression_type; |
| 1170 | |
| 1171 | if (png_get_iCCP(read_ptr, read_info_ptr, &name, &compression_type, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1172 | &profile, &proflen) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1173 | { |
| 1174 | png_set_iCCP(write_ptr, write_info_ptr, name, compression_type, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1175 | profile, proflen); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1176 | } |
| 1177 | } |
| 1178 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1179 | #ifdef PNG_sRGB_SUPPORTED |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1180 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1181 | int intent; |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1182 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1183 | if (png_get_sRGB(read_ptr, read_info_ptr, &intent) != 0) |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1184 | png_set_sRGB(write_ptr, write_info_ptr, intent); |
Glenn Randers-Pehrson | b6ce43d | 1998-01-01 07:13:13 -0600 | [diff] [blame] | 1185 | } |
| 1186 | #endif |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1187 | { |
| 1188 | png_colorp palette; |
| 1189 | int num_palette; |
| 1190 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1191 | if (png_get_PLTE(read_ptr, read_info_ptr, &palette, &num_palette) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1192 | png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1193 | } |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1194 | #ifdef PNG_bKGD_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1195 | { |
| 1196 | png_color_16p background; |
| 1197 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1198 | if (png_get_bKGD(read_ptr, read_info_ptr, &background) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1199 | { |
| 1200 | png_set_bKGD(write_ptr, write_info_ptr, background); |
| 1201 | } |
| 1202 | } |
| 1203 | #endif |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1204 | #ifdef PNG_READ_eXIf_SUPPORTED |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1205 | { |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1206 | png_bytep exif=NULL; |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1207 | png_uint_32 exif_length; |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1208 | |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1209 | if (png_get_eXIf_1(read_ptr, read_info_ptr, &exif_length, &exif) != 0) |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1210 | { |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1211 | if (exif_length > 1) |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1212 | fprintf(STDERR," eXIf type %c%c, %lu bytes\n",exif[0],exif[1], |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1213 | (unsigned long)exif_length); |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1214 | # ifdef PNG_WRITE_eXIf_SUPPORTED |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1215 | png_set_eXIf_1(write_ptr, write_info_ptr, exif_length, exif); |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1216 | # endif |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1217 | } |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1218 | } |
| 1219 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1220 | #ifdef PNG_hIST_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1221 | { |
| 1222 | png_uint_16p hist; |
| 1223 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1224 | if (png_get_hIST(read_ptr, read_info_ptr, &hist) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1225 | png_set_hIST(write_ptr, write_info_ptr, hist); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1226 | } |
| 1227 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1228 | #ifdef PNG_oFFs_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1229 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1230 | png_int_32 offset_x, offset_y; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1231 | int unit_type; |
| 1232 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1233 | if (png_get_oFFs(read_ptr, read_info_ptr, &offset_x, &offset_y, |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1234 | &unit_type) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1235 | { |
| 1236 | png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type); |
| 1237 | } |
| 1238 | } |
| 1239 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1240 | #ifdef PNG_pCAL_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1241 | { |
| 1242 | png_charp purpose, units; |
| 1243 | png_charpp params; |
| 1244 | png_int_32 X0, X1; |
| 1245 | int type, nparams; |
| 1246 | |
| 1247 | if (png_get_pCAL(read_ptr, read_info_ptr, &purpose, &X0, &X1, &type, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1248 | &nparams, &units, ¶ms) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1249 | { |
| 1250 | png_set_pCAL(write_ptr, write_info_ptr, purpose, X0, X1, type, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1251 | nparams, units, params); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1252 | } |
| 1253 | } |
| 1254 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1255 | #ifdef PNG_pHYs_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1256 | { |
| 1257 | png_uint_32 res_x, res_y; |
| 1258 | int unit_type; |
| 1259 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1260 | if (png_get_pHYs(read_ptr, read_info_ptr, &res_x, &res_y, |
| 1261 | &unit_type) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1262 | 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] | 1263 | } |
| 1264 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1265 | #ifdef PNG_sBIT_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1266 | { |
| 1267 | png_color_8p sig_bit; |
| 1268 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1269 | if (png_get_sBIT(read_ptr, read_info_ptr, &sig_bit) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1270 | png_set_sBIT(write_ptr, write_info_ptr, sig_bit); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1271 | } |
| 1272 | #endif |
Glenn Randers-Pehrson | 9c1bb20 | 2009-09-17 10:55:49 -0500 | [diff] [blame] | 1273 | #ifdef PNG_sCAL_SUPPORTED |
Glenn Randers-Pehrson | 8d9e494 | 2013-04-18 07:23:59 -0500 | [diff] [blame] | 1274 | #if defined(PNG_FLOATING_POINT_SUPPORTED) && \ |
| 1275 | defined(PNG_FLOATING_ARITHMETIC_SUPPORTED) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1276 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1277 | int unit; |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1278 | double scal_width, scal_height; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1279 | |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1280 | if (png_get_sCAL(read_ptr, read_info_ptr, &unit, &scal_width, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1281 | &scal_height) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1282 | { |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1283 | 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] | 1284 | } |
| 1285 | } |
| 1286 | #else |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1287 | #ifdef PNG_FIXED_POINT_SUPPORTED |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1288 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1289 | int unit; |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1290 | png_charp scal_width, scal_height; |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1291 | |
Glenn Randers-Pehrson | 4766a24 | 2000-07-17 06:17:09 -0500 | [diff] [blame] | 1292 | if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1293 | &scal_height) != 0) |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1294 | { |
Glenn Randers-Pehrson | e3f3c4e | 2010-02-07 18:08:50 -0600 | [diff] [blame] | 1295 | png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, |
| 1296 | scal_height); |
Glenn Randers-Pehrson | 166c5a3 | 1999-12-10 09:43:02 -0600 | [diff] [blame] | 1297 | } |
| 1298 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1299 | #endif |
| 1300 | #endif |
| 1301 | #endif |
Glenn Randers-Pehrson | 59e655b | 2015-10-10 12:05:55 -0500 | [diff] [blame] | 1302 | |
| 1303 | #ifdef PNG_sPLT_SUPPORTED |
| 1304 | { |
| 1305 | png_sPLT_tp entries; |
| 1306 | |
| 1307 | int num_entries = (int) png_get_sPLT(read_ptr, read_info_ptr, &entries); |
| 1308 | if (num_entries) |
| 1309 | { |
| 1310 | png_set_sPLT(write_ptr, write_info_ptr, entries, num_entries); |
| 1311 | } |
| 1312 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1313 | #endif |
Glenn Randers-Pehrson | 59e655b | 2015-10-10 12:05:55 -0500 | [diff] [blame] | 1314 | |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1315 | #ifdef PNG_TEXT_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1316 | { |
| 1317 | png_textp text_ptr; |
| 1318 | int num_text; |
| 1319 | |
| 1320 | if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0) |
| 1321 | { |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1322 | pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text); |
Glenn Randers-Pehrson | 15ea1fa | 2011-11-23 15:28:01 -0600 | [diff] [blame] | 1323 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1324 | pngtest_check_text_support(read_ptr, text_ptr, num_text); |
| 1325 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1326 | if (verbose != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1327 | { |
| 1328 | int i; |
| 1329 | |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1330 | fprintf(STDERR,"\n"); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1331 | for (i=0; i<num_text; i++) |
| 1332 | { |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1333 | fprintf(STDERR," Text compression[%d]=%d\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1334 | i, text_ptr[i].compression); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1335 | } |
| 1336 | } |
Glenn Randers-Pehrson | 15ea1fa | 2011-11-23 15:28:01 -0600 | [diff] [blame] | 1337 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1338 | png_set_text(write_ptr, write_info_ptr, text_ptr, num_text); |
| 1339 | } |
| 1340 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1341 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1342 | #ifdef PNG_tIME_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1343 | { |
| 1344 | png_timep mod_time; |
| 1345 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1346 | if (png_get_tIME(read_ptr, read_info_ptr, &mod_time) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1347 | { |
| 1348 | png_set_tIME(write_ptr, write_info_ptr, mod_time); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1349 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1350 | if (png_convert_to_rfc1123_buffer(tIME_string, mod_time) != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1351 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1352 | |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1353 | else |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1354 | { |
| 1355 | strncpy(tIME_string, "*** invalid time ***", (sizeof tIME_string)); |
| 1356 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
| 1357 | } |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1358 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1359 | tIME_chunk_present++; |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 1360 | #endif /* TIME_RFC1123 */ |
Glenn Randers-Pehrson | c944229 | 1999-01-06 21:50:16 -0600 | [diff] [blame] | 1361 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1362 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1363 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1364 | #ifdef PNG_tRNS_SUPPORTED |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1365 | { |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1366 | png_bytep trans_alpha; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1367 | int num_trans; |
Glenn Randers-Pehrson | 56f6396 | 2008-10-06 10:16:17 -0500 | [diff] [blame] | 1368 | png_color_16p trans_color; |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1369 | |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1370 | if (png_get_tRNS(read_ptr, read_info_ptr, &trans_alpha, &num_trans, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1371 | &trans_color) != 0) |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1372 | { |
Glenn Randers-Pehrson | d29033f | 2009-11-07 10:46:42 -0600 | [diff] [blame] | 1373 | int sample_max = (1 << bit_depth); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1374 | /* 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] | 1375 | if (!((color_type == PNG_COLOR_TYPE_GRAY && |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1376 | (int)trans_color->gray > sample_max) || |
Glenn Randers-Pehrson | d29033f | 2009-11-07 10:46:42 -0600 | [diff] [blame] | 1377 | (color_type == PNG_COLOR_TYPE_RGB && |
Glenn Randers-Pehrson glennrp@comcast.net | b1c0d33 | 2009-05-15 20:39:34 -0500 | [diff] [blame] | 1378 | ((int)trans_color->red > sample_max || |
| 1379 | (int)trans_color->green > sample_max || |
| 1380 | (int)trans_color->blue > sample_max)))) |
Glenn Randers-Pehrson | 6abea75 | 2009-08-08 16:52:06 -0500 | [diff] [blame] | 1381 | 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] | 1382 | trans_color); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1383 | } |
| 1384 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1385 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1386 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1387 | { |
| 1388 | png_unknown_chunkp unknowns; |
Glenn Randers-Pehrson | 67439c4 | 2010-08-19 07:01:09 -0500 | [diff] [blame] | 1389 | int num_unknowns = png_get_unknown_chunks(read_ptr, read_info_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1390 | &unknowns); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1391 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1392 | if (num_unknowns != 0) |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1393 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1394 | png_set_unknown_chunks(write_ptr, write_info_ptr, unknowns, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1395 | num_unknowns); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1396 | #if PNG_LIBPNG_VER < 10600 |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1397 | /* Copy the locations from the read_info_ptr. The automatically |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1398 | * generated locations in write_end_info_ptr are wrong prior to 1.6.0 |
| 1399 | * 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] | 1400 | */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1401 | { |
| 1402 | int i; |
| 1403 | for (i = 0; i < num_unknowns; i++) |
| 1404 | png_set_unknown_chunk_location(write_ptr, write_info_ptr, i, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1405 | unknowns[i].location); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1406 | } |
| 1407 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1408 | } |
| 1409 | } |
| 1410 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1411 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1412 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1413 | pngtest_debug("Writing info struct"); |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1414 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1415 | /* Write the info in two steps so that if we write the 'unknown' chunks here |
| 1416 | * they go to the correct place. |
| 1417 | */ |
| 1418 | png_write_info_before_PLTE(write_ptr, write_info_ptr); |
| 1419 | |
| 1420 | write_chunks(write_ptr, before_PLTE); /* before PLTE */ |
| 1421 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1422 | png_write_info(write_ptr, write_info_ptr); |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 1423 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1424 | write_chunks(write_ptr, before_IDAT); /* after PLTE */ |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1425 | |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1426 | png_write_info(write_ptr, write_end_info_ptr); |
| 1427 | |
| 1428 | write_chunks(write_ptr, after_IDAT); /* after IDAT */ |
| 1429 | |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1430 | #ifdef PNG_COMPRESSION_COMPAT |
| 1431 | /* Test the 'compatibility' setting here, if it is available. */ |
| 1432 | png_set_compression(write_ptr, PNG_COMPRESSION_COMPAT); |
| 1433 | #endif |
Glenn Randers-Pehrson | d120996 | 2006-06-21 19:40:52 -0500 | [diff] [blame] | 1434 | #endif |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1435 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1436 | #ifdef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1437 | pngtest_debug("Allocating row buffer..."); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1438 | row_buf = (png_bytep)png_malloc(read_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1439 | png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1440 | |
Cosmin Truta | 8439534 | 2019-02-03 21:00:49 -0500 | [diff] [blame] | 1441 | pngtest_debug1("\t%p", row_buf); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1442 | #endif /* SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1443 | pngtest_debug("Writing row data"); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1444 | |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1445 | #if defined(PNG_READ_INTERLACING_SUPPORTED) &&\ |
| 1446 | defined(PNG_WRITE_INTERLACING_SUPPORTED) |
| 1447 | /* Both must be defined for libpng to be able to handle the interlace, |
| 1448 | * otherwise it gets handled below by simply reading and writing the passes |
| 1449 | * directly. |
| 1450 | */ |
| 1451 | if (png_set_interlace_handling(read_ptr) != num_passes) |
| 1452 | png_error(write_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1453 | "png_set_interlace_handling(read): wrong pass count "); |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1454 | if (png_set_interlace_handling(write_ptr) != num_passes) |
| 1455 | png_error(write_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1456 | "png_set_interlace_handling(write): wrong pass count "); |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1457 | #else /* png_set_interlace_handling not called on either read or write */ |
| 1458 | # define calc_pass_height |
| 1459 | #endif /* not using libpng interlace handling */ |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1460 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1461 | #ifdef PNGTEST_TIMING |
| 1462 | t_stop = (float)clock(); |
| 1463 | t_misc += (t_stop - t_start); |
| 1464 | t_start = t_stop; |
| 1465 | #endif |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1466 | for (pass = 0; pass < num_passes; pass++) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1467 | { |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1468 | # ifdef calc_pass_height |
| 1469 | png_uint_32 pass_height; |
Glenn Randers-Pehrson | 92ec30a | 2015-11-24 07:34:37 -0600 | [diff] [blame] | 1470 | |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1471 | if (num_passes == 7) /* interlaced */ |
| 1472 | { |
| 1473 | if (PNG_PASS_COLS(width, pass) > 0) |
| 1474 | pass_height = PNG_PASS_ROWS(height, pass); |
| 1475 | |
| 1476 | else |
| 1477 | pass_height = 0; |
| 1478 | } |
| 1479 | |
| 1480 | else /* not interlaced */ |
| 1481 | pass_height = height; |
| 1482 | # else |
| 1483 | # define pass_height height |
| 1484 | # endif |
| 1485 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1486 | pngtest_debug1("Writing row data for pass %d", pass); |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1487 | for (y = 0; y < pass_height; y++) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1488 | { |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1489 | #ifndef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1490 | pngtest_debug2("Allocating row buffer (pass %d, y = %u)...", pass, y); |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 1491 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1492 | row_buf = (png_bytep)png_malloc(read_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1493 | png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1494 | |
Cosmin Truta | 8439534 | 2019-02-03 21:00:49 -0500 | [diff] [blame] | 1495 | pngtest_debug2("\t%p (%lu bytes)", row_buf, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1496 | (unsigned long)png_get_rowbytes(read_ptr, read_info_ptr)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1497 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1498 | #endif /* !SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | beb572e | 2006-08-19 13:59:24 -0500 | [diff] [blame] | 1499 | png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1500 | |
| 1501 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1502 | #ifdef PNGTEST_TIMING |
| 1503 | t_stop = (float)clock(); |
| 1504 | t_decode += (t_stop - t_start); |
| 1505 | t_start = t_stop; |
| 1506 | #endif |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1507 | png_write_rows(write_ptr, (png_bytepp)&row_buf, 1); |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 1508 | #ifdef PNGTEST_TIMING |
| 1509 | t_stop = (float)clock(); |
| 1510 | t_encode += (t_stop - t_start); |
| 1511 | t_start = t_stop; |
| 1512 | #endif |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 1513 | #endif /* WRITE */ |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1514 | |
| 1515 | #ifndef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1516 | pngtest_debug2("Freeing row buffer (pass %d, y = %u)", pass, y); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1517 | png_free(read_ptr, row_buf); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 1518 | row_buf = NULL; |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1519 | #endif /* !SINGLE_ROWBUF_ALLOC */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1520 | } |
| 1521 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1522 | |
Glenn Randers-Pehrson | b372175 | 2013-09-30 13:56:44 -0500 | [diff] [blame] | 1523 | #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED |
| 1524 | # ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED |
| 1525 | png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1); |
| 1526 | # endif |
| 1527 | # ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
| 1528 | png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1); |
| 1529 | # endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1530 | #endif |
| 1531 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1532 | pngtest_debug("Reading and writing end_info data"); |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1533 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1534 | png_read_end(read_ptr, end_info_ptr); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1535 | #ifdef PNG_TEXT_SUPPORTED |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1536 | { |
| 1537 | png_textp text_ptr; |
| 1538 | int num_text; |
| 1539 | |
| 1540 | if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0) |
| 1541 | { |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1542 | pngtest_debug1("Handling %d iTXt/tEXt/zTXt chunks", num_text); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1543 | |
| 1544 | pngtest_check_text_support(read_ptr, text_ptr, num_text); |
| 1545 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1546 | if (verbose != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1547 | { |
| 1548 | int i; |
| 1549 | |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1550 | fprintf(STDERR,"\n"); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1551 | for (i=0; i<num_text; i++) |
| 1552 | { |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1553 | fprintf(STDERR," Text compression[%d]=%d\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1554 | i, text_ptr[i].compression); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1555 | } |
| 1556 | } |
| 1557 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1558 | png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text); |
| 1559 | } |
| 1560 | } |
| 1561 | #endif |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1562 | #ifdef PNG_READ_eXIf_SUPPORTED |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1563 | { |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1564 | png_bytep exif=NULL; |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1565 | png_uint_32 exif_length; |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1566 | |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1567 | if (png_get_eXIf_1(read_ptr, end_info_ptr, &exif_length, &exif) != 0) |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1568 | { |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1569 | if (exif_length > 1) |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1570 | fprintf(STDERR," eXIf type %c%c, %lu bytes\n",exif[0],exif[1], |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1571 | (unsigned long)exif_length); |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1572 | # ifdef PNG_WRITE_eXIf_SUPPORTED |
Glenn Randers-Pehrson | d930d36 | 2017-08-03 10:29:10 -0500 | [diff] [blame] | 1573 | png_set_eXIf_1(write_ptr, write_end_info_ptr, exif_length, exif); |
Glenn Randers-Pehrson | 71a5618 | 2017-08-01 21:42:16 -0500 | [diff] [blame] | 1574 | # endif |
Glenn Randers-Pehrson | 40afb68 | 2017-07-31 14:20:40 -0500 | [diff] [blame] | 1575 | } |
Glenn Randers-Pehrson | 68cb0aa | 2017-07-13 11:19:53 -0500 | [diff] [blame] | 1576 | } |
| 1577 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1578 | #ifdef PNG_tIME_SUPPORTED |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1579 | { |
| 1580 | png_timep mod_time; |
| 1581 | |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1582 | if (png_get_tIME(read_ptr, end_info_ptr, &mod_time) != 0) |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1583 | { |
| 1584 | png_set_tIME(write_ptr, write_end_info_ptr, mod_time); |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1585 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | 5d713fe | 2014-10-31 20:48:55 -0500 | [diff] [blame] | 1586 | if (png_convert_to_rfc1123_buffer(tIME_string, mod_time) != 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1587 | tIME_string[(sizeof tIME_string) - 1] = '\0'; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1588 | |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1589 | else |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1590 | { |
| 1591 | strncpy(tIME_string, "*** invalid time ***", sizeof tIME_string); |
| 1592 | tIME_string[(sizeof tIME_string)-1] = '\0'; |
| 1593 | } |
John Bowler | 40b2603 | 2011-12-22 08:09:15 -0600 | [diff] [blame] | 1594 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1595 | tIME_chunk_present++; |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 1596 | #endif /* TIME_RFC1123 */ |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1597 | } |
| 1598 | } |
| 1599 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1600 | #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1601 | { |
| 1602 | png_unknown_chunkp unknowns; |
Glenn Randers-Pehrson | 67439c4 | 2010-08-19 07:01:09 -0500 | [diff] [blame] | 1603 | int num_unknowns = png_get_unknown_chunks(read_ptr, end_info_ptr, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1604 | &unknowns); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1605 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1606 | if (num_unknowns != 0) |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1607 | { |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1608 | png_set_unknown_chunks(write_ptr, write_end_info_ptr, unknowns, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1609 | num_unknowns); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1610 | #if PNG_LIBPNG_VER < 10600 |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1611 | /* Copy the locations from the read_info_ptr. The automatically |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1612 | * generated locations in write_end_info_ptr are wrong prior to 1.6.0 |
| 1613 | * 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] | 1614 | */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1615 | { |
| 1616 | int i; |
| 1617 | for (i = 0; i < num_unknowns; i++) |
| 1618 | png_set_unknown_chunk_location(write_ptr, write_end_info_ptr, i, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1619 | unknowns[i].location); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1620 | } |
| 1621 | #endif |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1622 | } |
| 1623 | } |
| 1624 | #endif |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1625 | |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1626 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1627 | #ifdef PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED |
| 1628 | /* Normally one would use Z_DEFAULT_STRATEGY for text compression. |
| 1629 | * This is here just to make pngtest replicate the results from libpng |
| 1630 | * versions prior to 1.5.4, and to test this new API. |
| 1631 | */ |
| 1632 | png_set_text_compression_strategy(write_ptr, Z_FILTERED); |
| 1633 | #endif |
| 1634 | |
| 1635 | /* When the unknown vpAg/sTER chunks are written by pngtest the only way to |
| 1636 | * do it is to write them *before* calling png_write_end. When unknown |
| 1637 | * chunks are written by libpng, however, they are written just before IEND. |
| 1638 | * There seems to be no way round this, however vpAg/sTER are not expected |
| 1639 | * after IDAT. |
| 1640 | */ |
| 1641 | write_chunks(write_ptr, after_IDAT); |
| 1642 | |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1643 | png_write_end(write_ptr, write_end_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1644 | #endif |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1645 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1646 | #ifdef PNG_EASY_ACCESS_SUPPORTED |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1647 | if (verbose != 0) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1648 | { |
| 1649 | png_uint_32 iwidth, iheight; |
| 1650 | iwidth = png_get_image_width(write_ptr, write_info_ptr); |
| 1651 | iheight = png_get_image_height(write_ptr, write_info_ptr); |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1652 | fprintf(STDERR, "\n Image width = %lu, height = %lu\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1653 | (unsigned long)iwidth, (unsigned long)iheight); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1654 | } |
| 1655 | #endif |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1656 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1657 | pngtest_debug("Destroying data structs"); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1658 | #ifdef SINGLE_ROWBUF_ALLOC |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1659 | pngtest_debug("destroying row_buf for read_ptr"); |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1660 | png_free(read_ptr, row_buf); |
Glenn Randers-Pehrson | 895a9c9 | 2008-07-25 08:51:18 -0500 | [diff] [blame] | 1661 | row_buf = NULL; |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1662 | #endif /* SINGLE_ROWBUF_ALLOC */ |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1663 | pngtest_debug("destroying read_ptr, read_info_ptr, end_info_ptr"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1664 | 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] | 1665 | #ifdef PNG_WRITE_SUPPORTED |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1666 | pngtest_debug("destroying write_end_info_ptr"); |
Glenn Randers-Pehrson | 6d8f3b0 | 1999-10-23 08:39:18 -0500 | [diff] [blame] | 1667 | png_destroy_info_struct(write_ptr, &write_end_info_ptr); |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1668 | pngtest_debug("destroying write_ptr, write_info_ptr"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1669 | png_destroy_write_struct(&write_ptr, &write_info_ptr); |
Glenn Randers-Pehrson | 3097f61 | 2001-05-07 14:52:45 -0500 | [diff] [blame] | 1670 | #endif |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1671 | pngtest_debug("Destruction complete."); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1672 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1673 | FCLOSE(fpin); |
| 1674 | FCLOSE(fpout); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1675 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1676 | /* Summarize any warnings or errors and in 'strict' mode fail the test. |
| 1677 | * Unsupported chunks can result in warnings, in that case ignore the strict |
| 1678 | * setting, otherwise fail the test on warnings as well as errors. |
| 1679 | */ |
| 1680 | if (error_count > 0) |
| 1681 | { |
| 1682 | /* We don't really expect to get here because of the setjmp handling |
| 1683 | * above, but this is safe. |
| 1684 | */ |
| 1685 | fprintf(STDERR, "\n %s: %d libpng errors found (%d warnings)", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1686 | inname, error_count, warning_count); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1687 | |
| 1688 | if (strict != 0) |
| 1689 | return (1); |
| 1690 | } |
| 1691 | |
| 1692 | # ifdef PNG_WRITE_SUPPORTED |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1693 | /* If there is no write support nothing was written! */ |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1694 | else if (unsupported_chunks > 0) |
| 1695 | { |
| 1696 | fprintf(STDERR, "\n %s: unsupported chunks (%d)%s", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1697 | inname, unsupported_chunks, strict ? ": IGNORED --strict!" : ""); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1698 | } |
| 1699 | # endif |
| 1700 | |
| 1701 | else if (warning_count > 0) |
| 1702 | { |
| 1703 | fprintf(STDERR, "\n %s: %d libpng warnings found", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1704 | inname, warning_count); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1705 | |
| 1706 | if (strict != 0) |
| 1707 | return (1); |
| 1708 | } |
| 1709 | |
Glenn Randers-Pehrson | 31f92b0 | 2010-03-09 16:47:59 -0600 | [diff] [blame] | 1710 | pngtest_debug("Opening files for comparison"); |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1711 | if ((fpin = fopen(inname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1712 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1713 | fprintf(STDERR, "Could not find file %s\n", inname); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1714 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1715 | } |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1716 | |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1717 | if ((fpout = fopen(outname, "rb")) == NULL) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1718 | { |
Guy Schalnat | e5a3779 | 1996-06-05 15:50:50 -0500 | [diff] [blame] | 1719 | fprintf(STDERR, "Could not find file %s\n", outname); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1720 | FCLOSE(fpin); |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1721 | return (1); |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1722 | } |
Andreas Dilger | 47a0c42 | 1997-05-16 02:46:07 -0500 | [diff] [blame] | 1723 | |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1724 | #if defined (PNG_WRITE_SUPPORTED) /* else nothing was written */ &&\ |
| 1725 | defined (PNG_WRITE_FILTER_SUPPORTED) |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1726 | if (interlace_preserved != 0) /* else the files will be changed */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1727 | { |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1728 | for (;;) |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1729 | { |
John Bowler | 81dfd00 | 2013-12-01 15:07:09 -0600 | [diff] [blame] | 1730 | static int wrote_question = 0; |
Cosmin Truta | a74aa9a | 2018-06-17 22:37:44 -0400 | [diff] [blame] | 1731 | size_t num_in, num_out; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1732 | char inbuf[256], outbuf[256]; |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1733 | |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 1734 | num_in = fread(inbuf, 1, sizeof inbuf, fpin); |
| 1735 | num_out = fread(outbuf, 1, sizeof outbuf, fpout); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1736 | |
| 1737 | if (num_in != num_out) |
Glenn Randers-Pehrson | cbe52d8 | 1998-02-28 07:00:24 -0600 | [diff] [blame] | 1738 | { |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1739 | fprintf(STDERR, "\nFiles %s and %s are of a different size\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1740 | inname, outname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1741 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1742 | if (wrote_question == 0 && unsupported_chunks == 0) |
| 1743 | { |
| 1744 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1745 | " Was %s written with the same maximum IDAT" |
| 1746 | " chunk size (%d bytes),", |
| 1747 | inname, PNG_ZBUF_SIZE); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1748 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1749 | "\n filtering heuristic (libpng default), compression"); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1750 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1751 | " level (zlib default),\n and zlib version (%s)?\n\n", |
| 1752 | ZLIB_VERSION); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1753 | wrote_question = 1; |
| 1754 | } |
| 1755 | |
| 1756 | FCLOSE(fpin); |
| 1757 | FCLOSE(fpout); |
| 1758 | |
| 1759 | if (strict != 0 && unsupported_chunks == 0) |
| 1760 | return (1); |
| 1761 | |
| 1762 | else |
| 1763 | return (0); |
Glenn Randers-Pehrson | cbe52d8 | 1998-02-28 07:00:24 -0600 | [diff] [blame] | 1764 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1765 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1766 | if (num_in == 0) |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1767 | break; |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1768 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1769 | if (memcmp(inbuf, outbuf, num_in)) |
| 1770 | { |
| 1771 | fprintf(STDERR, "\nFiles %s and %s are different\n", inname, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1772 | outname); |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1773 | |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1774 | if (wrote_question == 0 && unsupported_chunks == 0) |
| 1775 | { |
| 1776 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1777 | " Was %s written with the same maximum" |
| 1778 | " IDAT chunk size (%d bytes),", |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1779 | inname, PNG_ZBUF_SIZE); |
| 1780 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1781 | "\n filtering heuristic (libpng default), compression"); |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1782 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1783 | " level (zlib default),\n and zlib version (%s)?\n\n", |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1784 | ZLIB_VERSION); |
| 1785 | wrote_question = 1; |
| 1786 | } |
| 1787 | |
| 1788 | FCLOSE(fpin); |
| 1789 | FCLOSE(fpout); |
| 1790 | |
| 1791 | /* NOTE: the unsupported_chunks escape is permitted here because |
| 1792 | * unsupported text chunk compression will result in the compression |
| 1793 | * mode being changed (to NONE) yet, in the test case, the result |
| 1794 | * can be exactly the same size! |
| 1795 | */ |
| 1796 | if (strict != 0 && unsupported_chunks == 0) |
| 1797 | return (1); |
| 1798 | |
| 1799 | else |
| 1800 | return (0); |
| 1801 | } |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1802 | } |
| 1803 | } |
John Bowler | 8a08b64 | 2015-11-23 20:15:51 -0800 | [diff] [blame] | 1804 | #endif /* WRITE && WRITE_FILTER */ |
Guy Schalnat | 0f71645 | 1995-11-28 11:22:13 -0600 | [diff] [blame] | 1805 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1806 | FCLOSE(fpin); |
| 1807 | FCLOSE(fpout); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1808 | |
Glenn Randers-Pehrson | b212002 | 1998-01-31 20:07:59 -0600 | [diff] [blame] | 1809 | return (0); |
Guy Schalnat | 0d58058 | 1995-07-20 02:43:20 -0500 | [diff] [blame] | 1810 | } |
Guy Schalnat | 51f0eb4 | 1995-09-26 05:22:39 -0500 | [diff] [blame] | 1811 | |
Glenn Randers-Pehrson | 4bb4d01 | 2009-05-20 12:45:29 -0500 | [diff] [blame] | 1812 | /* Input and output filenames */ |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1813 | #ifdef RISCOS |
Cosmin Truta | 1ef8882 | 2018-08-18 21:01:02 -0400 | [diff] [blame] | 1814 | static const char *inname = "pngtest/png"; |
| 1815 | static const char *outname = "pngout/png"; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1816 | #else |
Cosmin Truta | 1ef8882 | 2018-08-18 21:01:02 -0400 | [diff] [blame] | 1817 | static const char *inname = "pngtest.png"; |
| 1818 | static const char *outname = "pngout.png"; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1819 | #endif |
| 1820 | |
| 1821 | int |
| 1822 | main(int argc, char *argv[]) |
| 1823 | { |
| 1824 | int multiple = 0; |
| 1825 | int ierror = 0; |
| 1826 | |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 1827 | png_structp dummy_ptr; |
| 1828 | |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1829 | 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] | 1830 | fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1831 | fprintf(STDERR, "%s", png_get_copyright(NULL)); |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1832 | /* Show the version of libpng used in building the library */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1833 | fprintf(STDERR, " library (%lu):%s", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1834 | (unsigned long)png_access_version_number(), |
| 1835 | png_get_header_version(NULL)); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1836 | |
Glenn Randers-Pehrson | 5379b24 | 1999-11-27 10:22:33 -0600 | [diff] [blame] | 1837 | /* Show the version of libpng used in building the application */ |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 1838 | fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1839 | PNG_HEADER_VERSION_STRING); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1840 | |
| 1841 | /* 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] | 1842 | * not sure this matters, but it is nice to know, the first of these |
| 1843 | * tests should be impossible because of the way the macros are set |
| 1844 | * in pngconf.h |
| 1845 | */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1846 | #if defined(MAXSEG_64K) && !defined(PNG_MAX_MALLOC_64K) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1847 | fprintf(STDERR, " NOTE: Zlib compiled for max 64k, libpng not\n"); |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1848 | #endif |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1849 | /* I think the following can happen. */ |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1850 | #if !defined(MAXSEG_64K) && defined(PNG_MAX_MALLOC_64K) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1851 | fprintf(STDERR, " NOTE: libpng compiled for max 64k, zlib not\n"); |
Glenn Randers-Pehrson | ea3bcd7 | 1998-03-07 14:33:00 -0600 | [diff] [blame] | 1852 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1853 | |
| 1854 | if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING)) |
| 1855 | { |
| 1856 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1857 | "Warning: versions are different between png.h and png.c\n"); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1858 | fprintf(STDERR, " png.h version: %s\n", PNG_LIBPNG_VER_STRING); |
| 1859 | fprintf(STDERR, " png.c version: %s\n\n", png_libpng_ver); |
| 1860 | ++ierror; |
| 1861 | } |
| 1862 | |
| 1863 | if (argc > 1) |
| 1864 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1865 | if (strcmp(argv[1], "-m") == 0) |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1866 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1867 | multiple = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1868 | status_dots_requested = 0; |
| 1869 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1870 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1871 | else if (strcmp(argv[1], "-mv") == 0 || |
| 1872 | strcmp(argv[1], "-vm") == 0 ) |
| 1873 | { |
| 1874 | multiple = 1; |
| 1875 | verbose = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1876 | status_dots_requested = 1; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1877 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1878 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1879 | else if (strcmp(argv[1], "-v") == 0) |
| 1880 | { |
| 1881 | verbose = 1; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1882 | status_dots_requested = 1; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1883 | inname = argv[2]; |
| 1884 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1885 | |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1886 | else if (strcmp(argv[1], "--strict") == 0) |
| 1887 | { |
| 1888 | status_dots_requested = 0; |
| 1889 | verbose = 1; |
| 1890 | inname = argv[2]; |
| 1891 | strict++; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1892 | relaxed = 0; |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1893 | multiple=1; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 1894 | } |
| 1895 | |
| 1896 | else if (strcmp(argv[1], "--relaxed") == 0) |
| 1897 | { |
| 1898 | status_dots_requested = 0; |
| 1899 | verbose = 1; |
| 1900 | inname = argv[2]; |
| 1901 | strict = 0; |
| 1902 | relaxed++; |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1903 | multiple=1; |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1904 | } |
Glenn Randers-Pehrson | 2073928 | 2017-08-04 14:17:28 -0500 | [diff] [blame] | 1905 | else if (strcmp(argv[1], "--xfail") == 0) |
| 1906 | { |
| 1907 | status_dots_requested = 0; |
| 1908 | verbose = 1; |
| 1909 | inname = argv[2]; |
| 1910 | strict = 0; |
| 1911 | xfail++; |
| 1912 | relaxed++; |
Glenn Randers-Pehrson | c33d624 | 2017-08-05 11:01:18 -0500 | [diff] [blame] | 1913 | multiple=1; |
Glenn Randers-Pehrson | 2073928 | 2017-08-04 14:17:28 -0500 | [diff] [blame] | 1914 | } |
Glenn Randers-Pehrson | 8e25a61 | 2011-09-26 20:57:33 -0500 | [diff] [blame] | 1915 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1916 | else |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1917 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1918 | inname = argv[1]; |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1919 | status_dots_requested = 0; |
| 1920 | } |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1921 | } |
| 1922 | |
Glenn Randers-Pehrson | ebba074 | 2014-10-25 12:22:39 -0500 | [diff] [blame] | 1923 | if (multiple == 0 && argc == 3 + verbose) |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 1924 | outname = argv[2 + verbose]; |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1925 | |
Glenn Randers-Pehrson | ebba074 | 2014-10-25 12:22:39 -0500 | [diff] [blame] | 1926 | if ((multiple == 0 && argc > 3 + verbose) || |
| 1927 | (multiple != 0 && argc < 2)) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1928 | { |
Glenn Randers-Pehrson | 192e92d | 2016-07-13 14:43:42 -0500 | [diff] [blame] | 1929 | fprintf(STDERR, |
| 1930 | "usage: %s [infile.png] [outfile.png]\n\t%s -m {infile.png}\n", |
| 1931 | argv[0], argv[0]); |
| 1932 | fprintf(STDERR, |
| 1933 | " reads/writes one PNG file (without -m) or multiple files (-m)\n"); |
| 1934 | fprintf(STDERR, |
| 1935 | " with -m %s is used as a temporary file\n", outname); |
| 1936 | exit(1); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1937 | } |
| 1938 | |
Glenn Randers-Pehrson | 0567015 | 2014-03-08 12:39:52 -0600 | [diff] [blame] | 1939 | if (multiple != 0) |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1940 | { |
| 1941 | int i; |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1942 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1943 | int allocation_now = current_allocation; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1944 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 1945 | for (i=2; i<argc; ++i) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1946 | { |
Glenn Randers-Pehrson | 6942d53 | 2000-05-01 09:31:54 -0500 | [diff] [blame] | 1947 | int kerror; |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 1948 | fprintf(STDERR, "\n Testing %s:", argv[i]); |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 1949 | #if PNG_DEBUG > 0 |
| 1950 | fprintf(STDERR, "\n"); |
| 1951 | #endif |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 1952 | kerror = test_one_file(argv[i], outname); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1953 | if (kerror == 0) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1954 | { |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1955 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 1956 | fprintf(STDERR, "\n PASS (%lu zero samples)\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1957 | (unsigned long)zero_samples); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 1958 | #else |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1959 | fprintf(STDERR, " PASS\n"); |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 1960 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 1961 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | d2fedd6 | 2015-05-09 21:47:00 -0500 | [diff] [blame] | 1962 | if (tIME_chunk_present != 0) |
| 1963 | fprintf(STDERR, " tIME = %s\n", tIME_string); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1964 | |
Glenn Randers-Pehrson | d2fedd6 | 2015-05-09 21:47:00 -0500 | [diff] [blame] | 1965 | tIME_chunk_present = 0; |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 1966 | #endif /* TIME_RFC1123 */ |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1967 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1968 | |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1969 | else |
| 1970 | { |
Glenn Randers-Pehrson | 2073928 | 2017-08-04 14:17:28 -0500 | [diff] [blame] | 1971 | if (xfail) |
| 1972 | fprintf(STDERR, " XFAIL\n"); |
| 1973 | else |
| 1974 | { |
| 1975 | fprintf(STDERR, " FAIL\n"); |
| 1976 | ierror += kerror; |
| 1977 | } |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 1978 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 1979 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1980 | if (allocation_now != current_allocation) |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1981 | fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n", |
| 1982 | current_allocation - allocation_now); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1983 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1984 | if (current_allocation != 0) |
| 1985 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1986 | memory_infop pinfo = pinformation; |
| 1987 | |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 1988 | fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n", |
| 1989 | current_allocation); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 1990 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1991 | while (pinfo != NULL) |
| 1992 | { |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 1993 | fprintf(STDERR, " %lu bytes at %p\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 1994 | (unsigned long)pinfo->size, |
| 1995 | pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1996 | pinfo = pinfo->next; |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 1997 | } |
Glenn Randers-Pehrson | 2687fcc | 1998-01-07 20:54:20 -0600 | [diff] [blame] | 1998 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 1999 | #endif |
| 2000 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 2001 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2002 | fprintf(STDERR, " Current memory allocation: %10d bytes\n", |
| 2003 | current_allocation); |
| 2004 | fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", |
| 2005 | maximum_allocation); |
| 2006 | fprintf(STDERR, " Total memory allocation: %10d bytes\n", |
| 2007 | total_allocation); |
| 2008 | fprintf(STDERR, " Number of allocations: %10d\n", |
| 2009 | num_allocations); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2010 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2011 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2012 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2013 | else |
| 2014 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 2015 | int i; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2016 | for (i = 0; i<3; ++i) |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 2017 | { |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 2018 | int kerror; |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 2019 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2020 | int allocation_now = current_allocation; |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2021 | #endif |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2022 | if (i == 1) |
| 2023 | status_dots_requested = 1; |
| 2024 | |
| 2025 | else if (verbose == 0) |
| 2026 | status_dots_requested = 0; |
| 2027 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2028 | if (i == 0 || verbose == 1 || ierror != 0) |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 2029 | { |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 2030 | fprintf(STDERR, "\n Testing %s:", inname); |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 2031 | #if PNG_DEBUG > 0 |
| 2032 | fprintf(STDERR, "\n"); |
| 2033 | #endif |
| 2034 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2035 | |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 2036 | kerror = test_one_file(inname, outname); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2037 | |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2038 | if (kerror == 0) |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2039 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2040 | if (verbose == 1 || i == 2) |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 2041 | { |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 2042 | #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED |
Glenn Randers-Pehrson | 6bc53be | 2006-06-16 07:52:03 -0500 | [diff] [blame] | 2043 | fprintf(STDERR, "\n PASS (%lu zero samples)\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2044 | (unsigned long)zero_samples); |
Glenn Randers-Pehrson | 08a3343 | 1998-03-07 06:06:55 -0600 | [diff] [blame] | 2045 | #else |
| 2046 | fprintf(STDERR, " PASS\n"); |
| 2047 | #endif |
Glenn Randers-Pehrson | e26c095 | 2009-09-23 11:22:08 -0500 | [diff] [blame] | 2048 | #ifdef PNG_TIME_RFC1123_SUPPORTED |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2049 | if (tIME_chunk_present != 0) |
| 2050 | fprintf(STDERR, " tIME = %s\n", tIME_string); |
Glenn Randers-Pehrson | cda68df | 2014-11-06 22:11:39 -0600 | [diff] [blame] | 2051 | #endif /* TIME_RFC1123 */ |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 2052 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2053 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2054 | |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2055 | else |
| 2056 | { |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2057 | if (verbose == 0 && i != 2) |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 2058 | { |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 2059 | fprintf(STDERR, "\n Testing %s:", inname); |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 2060 | #if PNG_DEBUG > 0 |
| 2061 | fprintf(STDERR, "\n"); |
| 2062 | #endif |
| 2063 | } |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2064 | |
Glenn Randers-Pehrson | 2073928 | 2017-08-04 14:17:28 -0500 | [diff] [blame] | 2065 | if (xfail) |
| 2066 | fprintf(STDERR, " XFAIL\n"); |
| 2067 | else |
| 2068 | { |
| 2069 | fprintf(STDERR, " FAIL\n"); |
| 2070 | ierror += kerror; |
| 2071 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2072 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 2073 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2074 | if (allocation_now != current_allocation) |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2075 | fprintf(STDERR, "MEMORY ERROR: %d bytes lost\n", |
| 2076 | current_allocation - allocation_now); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2077 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 2078 | if (current_allocation != 0) |
| 2079 | { |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2080 | memory_infop pinfo = pinformation; |
Glenn Randers-Pehrson | 5c6aeb2 | 1998-12-29 11:47:59 -0600 | [diff] [blame] | 2081 | |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2082 | fprintf(STDERR, "MEMORY ERROR: %d bytes still allocated\n", |
| 2083 | current_allocation); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2084 | |
Glenn Randers-Pehrson | 61c32d9 | 2000-02-04 23:40:16 -0600 | [diff] [blame] | 2085 | while (pinfo != NULL) |
| 2086 | { |
Glenn Randers-Pehrson | 7f68263 | 2014-10-28 10:22:37 -0500 | [diff] [blame] | 2087 | fprintf(STDERR, " %lu bytes at %p\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2088 | (unsigned long)pinfo->size, pinfo->pointer); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2089 | pinfo = pinfo->next; |
| 2090 | } |
| 2091 | } |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2092 | #endif |
Glenn Randers-Pehrson | c4a2ae6 | 1998-01-16 22:06:18 -0600 | [diff] [blame] | 2093 | } |
Glenn Randers-Pehrson | 37f116a | 2004-08-15 07:15:39 -0500 | [diff] [blame] | 2094 | #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2095 | fprintf(STDERR, " Current memory allocation: %10d bytes\n", |
| 2096 | current_allocation); |
| 2097 | fprintf(STDERR, " Maximum memory allocation: %10d bytes\n", |
| 2098 | maximum_allocation); |
| 2099 | fprintf(STDERR, " Total memory allocation: %10d bytes\n", |
| 2100 | total_allocation); |
| 2101 | fprintf(STDERR, " Number of allocations: %10d\n", |
| 2102 | num_allocations); |
Glenn Randers-Pehrson | 46f61e2 | 1998-01-30 21:45:12 -0600 | [diff] [blame] | 2103 | #endif |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2104 | } |
| 2105 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 2106 | #ifdef PNGTEST_TIMING |
| 2107 | t_stop = (float)clock(); |
| 2108 | t_misc += (t_stop - t_start); |
| 2109 | t_start = t_stop; |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2110 | fprintf(STDERR, " CPU time used = %.3f seconds", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2111 | (t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2112 | fprintf(STDERR, " (decoding %.3f,\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2113 | t_decode/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2114 | fprintf(STDERR, " encoding %.3f ,", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2115 | t_encode/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | 145f5c8 | 2008-07-10 09:13:13 -0500 | [diff] [blame] | 2116 | fprintf(STDERR, " other %.3f seconds)\n\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2117 | t_misc/(float)CLOCKS_PER_SEC); |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 2118 | #endif |
| 2119 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2120 | if (ierror == 0) |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 2121 | fprintf(STDERR, " libpng passes test\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2122 | |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2123 | else |
Glenn Randers-Pehrson | a93c942 | 2009-04-13 11:41:33 -0500 | [diff] [blame] | 2124 | fprintf(STDERR, " libpng FAILS test\n"); |
Glenn Randers-Pehrson | f24daf2 | 2010-05-06 09:44:04 -0500 | [diff] [blame] | 2125 | |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 2126 | dummy_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
| 2127 | fprintf(STDERR, " Default limits:\n"); |
| 2128 | fprintf(STDERR, " width_max = %lu\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2129 | (unsigned long) png_get_user_width_max(dummy_ptr)); |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 2130 | fprintf(STDERR, " height_max = %lu\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2131 | (unsigned long) png_get_user_height_max(dummy_ptr)); |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 2132 | if (png_get_chunk_cache_max(dummy_ptr) == 0) |
| 2133 | fprintf(STDERR, " cache_max = unlimited\n"); |
| 2134 | else |
| 2135 | fprintf(STDERR, " cache_max = %lu\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2136 | (unsigned long) png_get_chunk_cache_max(dummy_ptr)); |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 2137 | if (png_get_chunk_malloc_max(dummy_ptr) == 0) |
| 2138 | fprintf(STDERR, " malloc_max = unlimited\n"); |
| 2139 | else |
| 2140 | fprintf(STDERR, " malloc_max = %lu\n", |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2141 | (unsigned long) png_get_chunk_malloc_max(dummy_ptr)); |
Glenn Randers-Pehrson | 4b65a89 | 2015-02-16 22:52:07 -0600 | [diff] [blame] | 2142 | png_destroy_read_struct(&dummy_ptr, NULL, NULL); |
| 2143 | |
Glenn Randers-Pehrson | 0f881d6 | 1998-02-07 10:20:57 -0600 | [diff] [blame] | 2144 | return (int)(ierror != 0); |
Glenn Randers-Pehrson | 70e3f54 | 1998-01-03 22:40:55 -0600 | [diff] [blame] | 2145 | } |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 2146 | #else |
| 2147 | int |
| 2148 | main(void) |
| 2149 | { |
| 2150 | fprintf(STDERR, |
Glenn Randers-Pehrson | dd70604 | 2016-07-15 11:20:46 -0500 | [diff] [blame] | 2151 | " test ignored because libpng was not built with read support\n"); |
John Bowler | e4413a7 | 2013-04-17 21:27:47 -0500 | [diff] [blame] | 2152 | /* And skip this test */ |
Glenn Randers-Pehrson | 8aa1638 | 2016-09-26 08:09:44 -0500 | [diff] [blame] | 2153 | return PNG_LIBPNG_VER < 10600 ? 0 : 77; |
Glenn Randers-Pehrson | 871b1d0 | 2013-03-02 14:58:22 -0600 | [diff] [blame] | 2154 | } |
| 2155 | #endif |
Glenn Randers-Pehrson | f7d1a17 | 1998-06-06 15:31:35 -0500 | [diff] [blame] | 2156 | |
Glenn Randers-Pehrson | bcfd15d | 1999-10-01 14:22:25 -0500 | [diff] [blame] | 2157 | /* Generate a compiler error if there is an old png.h in the search path. */ |
Cosmin Truta | a40189c | 2019-04-14 14:10:32 -0400 | [diff] [blame] | 2158 | typedef png_libpng_version_1_6_37 Your_png_h_is_not_version_1_6_37; |