mewin/libpng
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Imported from libpng-0.81.tar

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This commit is contained in:
Guy Schalnat
1995-09-26 05:22:39 -05:00
committed by Glenn Randers-Pehrson
parent 0d5805822f
commit 51f0eb4584
26 changed files with 2124 additions and 1750 deletions
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39
pngtest.c
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@@ -1,9 +1,9 @@
/* pngtest.c - a simple test program to test libpng
libpng 1.0 beta 1 - version 0.71
libpng 1.0 beta 2 - version 0.81
For conditions of distribution and use, see copyright notice in png.h
Copyright (c) 1995 Guy Eric Schalnat, Group 42, Inc.
June 26, 1995
August 24, 1995
*/
#include <stdio.h>
@@ -38,19 +38,29 @@ int main()
row_buf = (png_byte *)0;
fprintf(STDERR, "Testing libpng version %s\n", PNG_LIBPNG_VER_STRING);
if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING))
{
fprintf(STDERR,
"Warning: versions are different between png.h and png.c\n");
fprintf(STDERR, " png.h version: %s\n", PNG_LIBPNG_VER_STRING);
fprintf(STDERR, " png.c version: %s\n\n", png_libpng_ver);
}
fpin = fopen(inname, "rb");
if (!fpin)
{
fprintf(STDERR, "Could not find input file %s\n", inname);
return -1;
return 1;
}
fpout = fopen(outname, "wb");
if (!fpin)
if (!fpout)
{
fprintf(STDERR, "could not open output file %s\n", outname);
fclose(fpin);
return -1;
return 1;
}
if (setjmp(read_ptr.jmpbuf))
@@ -58,7 +68,7 @@ int main()
fprintf(STDERR, "libpng read error\n");
fclose(fpin);
fclose(fpout);
return -1;
return 1;
}
if (setjmp(write_ptr.jmpbuf))
@@ -66,7 +76,7 @@ int main()
fprintf(STDERR, "libpng write error\n");
fclose(fpin);
fclose(fpout);
return -1;
return 1;
}
png_read_init(&read_ptr);
@@ -96,7 +106,7 @@ int main()
png_write_destroy(&write_ptr);
fclose(fpin);
fclose(fpout);
return -1;
return 1;
}
if (info_ptr.interlace_type)
@@ -113,8 +123,8 @@ int main()
{
for (y = 0; y < info_ptr.height; y++)
{
png_read_rows(&read_ptr, &row_buf, (png_byte **)0, 1);
png_write_rows(&write_ptr, &row_buf, 1);
png_read_rows(&read_ptr, (png_bytef **)&row_buf, (png_bytef **)0, 1);
png_write_rows(&write_ptr, (png_bytef **)&row_buf, 1);
}
}
@@ -134,7 +144,7 @@ int main()
if (!fpin)
{
fprintf(STDERR, "could not find file %s\n", inname);
return -1;
return 1;
}
fpout = fopen(outname, "rb");
@@ -142,7 +152,7 @@ int main()
{
fprintf(STDERR, "could not find file %s\n", outname);
fclose(fpin);
return -1;
return 1;
}
while (1)
@@ -157,7 +167,7 @@ int main()
fprintf(STDERR, "files are of a different size\n");
fclose(fpin);
fclose(fpout);
return -1;
return 1;
}
if (!num_in)
@@ -168,7 +178,7 @@ int main()
fprintf(STDERR, "files are different\n");
fclose(fpin);
fclose(fpout);
return -1;
return 1;
}
}
@@ -178,3 +188,4 @@ int main()
return 0;
}