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Imported from libpng-1.0.4c.tar

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This commit is contained in:
Glenn Randers-Pehrson
1999-10-01 14:22:25 -05:00
parent 54a066a8a9
commit bcfd15d9f2
45 changed files with 2721 additions and 2530 deletions
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67
pngtest.c
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@@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.0.4 - September 19, 1999
* libpng 1.0.4c - October 1, 1999
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
@@ -35,8 +35,24 @@
#define PNG_DEBUG 0
#endif
/* Turn on CPU timing
#define PNGTEST_TIMING
*/
#ifdef PNGTEST_TIMING
static float t_start, t_stop, t_decode, t_encode, t_misc;
#include <time.h>
#endif
#include "png.h"
#ifdef PNGTEST_TIMING
static float t_start, t_stop, t_decode, t_encode, t_misc;
#if !defined(PNG_READ_tIME_SUPPORTED) && !defined(PNG_WRITE_tIME_SUPPORTED)
#include <time.h>
#endif
#endif
#if defined(PNG_TIME_RFC1123_SUPPORTED)
static int tIME_chunk_present=0;
static char tIME_string[30] = "no tIME chunk present in file";
@@ -800,16 +816,36 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
}
png_debug(0, "Writing row data\n");
#if defined(PNG_READ_INTERLACING_SUPPORTED) || \
defined(PNG_WRITE_INTERLACING_SUPPORTED)
num_pass = png_set_interlace_handling(read_ptr);
png_set_interlace_handling(write_ptr);
#else
num_pass=1;
#endif
#ifdef PNGTEST_TIMING
t_stop = (float)clock();
t_misc += (t_stop - t_start);
t_start = t_stop;
#endif
for (pass = 0; pass < num_pass; pass++)
{
png_debug1(0, "Writing row data for pass %d\n",pass);
for (y = 0; y < height; y++)
{
png_read_rows(read_ptr, (png_bytepp)&row_buf, (png_bytepp)NULL, 1);
#ifdef PNGTEST_TIMING
t_stop = (float)clock();
t_decode += (t_stop - t_start);
t_start = t_stop;
#endif
png_write_rows(write_ptr, (png_bytepp)&row_buf, 1);
#ifdef PNGTEST_TIMING
t_stop = (float)clock();
t_encode += (t_stop - t_start);
t_start = t_stop;
#endif
}
}
@@ -1040,7 +1076,9 @@ main(int argc, char *argv[])
#endif
}
#ifdef PNG_USER_MEM_SUPPORTED
fprintf(STDERR, "Maximum memory allocation: %d bytes\n",
fprintf(STDERR, " Current memory allocation: %d bytes\n",
current_allocation);
fprintf(STDERR, " Maximum memory allocation: %d bytes\n",
maximum_allocation);
#endif
}
@@ -1103,11 +1141,27 @@ main(int argc, char *argv[])
#endif
}
#ifdef PNG_USER_MEM_SUPPORTED
fprintf(STDERR, "Maximum memory allocation: %d bytes\n",
fprintf(STDERR, " Current memory allocation: %d bytes\n",
current_allocation);
fprintf(STDERR, " Maximum memory allocation: %d bytes\n",
maximum_allocation);
#endif
}
#ifdef PNGTEST_TIMING
t_stop = (float)clock();
t_misc += (t_stop - t_start);
t_start = t_stop;
fprintf(STDERR," CPU time used = %.3f seconds",
(t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC);
fprintf(STDERR," (decoding %.3f,\n",
t_decode/(float)CLOCKS_PER_SEC);
fprintf(STDERR," encoding %.3f ,",
t_encode/(float)CLOCKS_PER_SEC);
fprintf(STDERR," other %.3f seconds)\n\n",
t_misc/(float)CLOCKS_PER_SEC);
#endif
if (ierror == 0)
fprintf(STDERR, "libpng passes test\n");
else
@@ -1115,3 +1169,10 @@ main(int argc, char *argv[])
return (int)(ierror != 0);
}
/* Generate a compiler error if there is an old png.h in the search path. */
void
png_check_pngtest_version
(version_1_0_4c png_h_is_not_version_1_0_4c)
{
if(png_h_is_not_version_1_0_4c == NULL) return;
}