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Imported from libpng-0.90.tar

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This commit is contained in:
Andreas Dilger
1997-01-17 01:34:35 -06:00
committed by Glenn Randers-Pehrson
parent c21f90c334
commit 02ad0efbc8
25 changed files with 2448 additions and 2077 deletions
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36
pngtest.c
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@@ -1,9 +1,10 @@
/* pngtest.c - a simple test program to test libpng
libpng 1.0 beta 3 - version 0.89
libpng 1.0 beta 4 - version 0.90
For conditions of distribution and use, see copyright notice in png.h
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
May 25, 1996
January 10, 1997
*/
#include <stdio.h>
@@ -20,7 +21,7 @@
/* input and output filenames */
#ifdef RISCOS
char *inname = "pngtest_pn";
char *inname = "pngtest_png";
char *outname = "pngout_png";
#else
char *inname = "pngtest.png";
@@ -41,7 +42,9 @@ int main(int argc, char *argv[])
png_uint_32 rowbytes;
png_uint_32 y;
int channels, num_pass, pass;
#ifdef USE_FAR_KEYWORD
jmp_buf jmpbuf;
#endif
row_buf = (png_bytep)NULL;
near_row_buf = (png_byte *)NULL;
@@ -82,14 +85,18 @@ int main(int argc, char *argv[])
return 1;
}
read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (void *)NULL,
read_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
(png_error_ptr)NULL, (png_error_ptr)NULL);
write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, (void *)NULL,
write_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
(png_error_ptr)NULL, (png_error_ptr)NULL);
info_ptr = png_create_info_struct(read_ptr);
end_info = png_create_info_struct(read_ptr);
#ifdef USE_FAR_KEYWORD
if (setjmp(jmpbuf))
#else
if (setjmp(read_ptr->jmpbuf))
#endif
{
fprintf(STDERR, "libpng read error\n");
png_destroy_read_struct(&read_ptr, &info_ptr, &end_info);
@@ -98,8 +105,12 @@ int main(int argc, char *argv[])
fclose(fpout);
return 1;
}
#ifdef USE_FAR_KEYWORD
png_memcpy(read_ptr->jmpbuf,jmpbuf,sizeof(jmp_buf));
if (setjmp(jmpbuf))
#else
if (setjmp(write_ptr->jmpbuf))
#endif
{
fprintf(STDERR, "libpng write error\n");
png_destroy_read_struct(&read_ptr, &info_ptr, &end_info);
@@ -108,7 +119,9 @@ int main(int argc, char *argv[])
fclose(fpout);
return 1;
}
#ifdef USE_FAR_KEYWORD
png_memcpy(write_ptr->jmpbuf,jmpbuf,sizeof(jmp_buf));
#endif
png_init_io(read_ptr, fpin);
png_init_io(write_ptr, fpout);
@@ -166,7 +179,7 @@ int main(int argc, char *argv[])
fclose(fpin);
fclose(fpout);
free((void *)near_row_buf);
free((png_byte *)near_row_buf);
fpin = fopen(inname, "rb");
@@ -183,13 +196,12 @@ int main(int argc, char *argv[])
fclose(fpin);
return 1;
}
while (1)
{
int num_in, num_out;
num_in = fread(inbuf, 1, 256, fpin);
num_out = fread(outbuf, 1, 256, fpout);
num_in = fread(inbuf, 1, 1, fpin);
num_out = fread(outbuf, 1, 1, fpout);
if (num_in != num_out)
{