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Imported from libpng-1.0.5a.tar

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This commit is contained in:
Glenn Randers-Pehrson
1999-10-23 08:39:18 -05:00
parent 860ab2b1c0
commit 6d8f3b080a
65 changed files with 1729 additions and 214 deletions
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59
pngtest.c
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@@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* libpng 1.0.5 - October 15, 1999
* libpng 1.0.5a - October 23, 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
@@ -443,6 +443,10 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size) {
pinformation = pinfo;
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
#if PNG_DEBUG
if(verbose)
printf("png_malloc %d bytes at %x\n",size,pinfo->pointer);
#endif
return (png_voidp)(pinfo->pointer);
}
}
@@ -485,6 +489,10 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
}
/* Finally free the data. */
#if PNG_DEBUG
if(verbose)
printf("Freeing %x\n",ptr);
#endif
png_free_default(png_ptr, ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */
@@ -496,7 +504,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
static FILE *fpin, *fpout; /* "static" prevents setjmp corruption */
png_structp read_ptr, write_ptr;
png_infop read_info_ptr, write_info_ptr, end_info_ptr;
png_infop read_info_ptr, write_info_ptr, end_info_ptr, write_end_info_ptr;
png_bytep row_buf;
png_uint_32 y;
png_uint_32 width, height;
@@ -552,6 +560,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
read_info_ptr = png_create_info_struct(read_ptr);
write_info_ptr = png_create_info_struct(write_ptr);
end_info_ptr = png_create_info_struct(read_ptr);
write_end_info_ptr = png_create_info_struct(write_ptr);
#ifdef PNG_USER_MEM_SUPPORTED
#endif
@@ -564,6 +573,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
fprintf(STDERR, "%s -> %s: libpng read error\n", inname, outname);
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
png_destroy_write_struct(&write_ptr, &write_info_ptr);
fclose(fpin);
fclose(fpout);
@@ -582,6 +592,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
fprintf(STDERR, "%s -> %s: libpng write error\n", inname, outname);
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
png_destroy_write_struct(&write_ptr, &write_info_ptr);
fclose(fpin);
fclose(fpout);
@@ -762,6 +773,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
if (png_get_text(read_ptr, read_info_ptr, &text_ptr, &num_text) > 0)
{
int i;
png_debug1(0, "Handling %d tEXt/zTXt chunks\n", num_text);
png_set_text(write_ptr, write_info_ptr, text_ptr, num_text);
}
@@ -809,6 +821,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
fprintf(STDERR, "No memory to allocate row buffer\n");
png_destroy_read_struct(&read_ptr, &read_info_ptr, (png_infopp)NULL);
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
png_destroy_write_struct(&write_ptr, &write_info_ptr);
fclose(fpin);
fclose(fpout);
@@ -851,7 +864,38 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
png_debug(0, "Reading and writing end_info data\n");
png_read_end(read_ptr, end_info_ptr);
png_write_end(write_ptr, end_info_ptr);
#if (defined(PNG_READ_tEXt_SUPPORTED) && defined(PNG_WRITE_tEXt_SUPPORTED)) || \
(defined(PNG_READ_zTXt_SUPPORTED) && defined(PNG_WRITE_zTXt_SUPPORTED))
{
png_textp text_ptr;
int num_text;
if (png_get_text(read_ptr, end_info_ptr, &text_ptr, &num_text) > 0)
{
int i;
png_debug1(0, "Handling %d tEXt/zTXt chunks\n", num_text);
png_set_text(write_ptr, write_end_info_ptr, text_ptr, num_text);
}
}
#endif
#if defined(PNG_READ_tIME_SUPPORTED) && defined(PNG_WRITE_tIME_SUPPORTED)
{
png_timep mod_time;
if (png_get_tIME(read_ptr, end_info_ptr, &mod_time))
{
png_set_tIME(write_ptr, write_end_info_ptr, mod_time);
#if defined(PNG_TIME_RFC1123_SUPPORTED)
/* we have to use png_strcpy instead of "=" because the string
pointed to by png_convert_to_rfc1123() gets free'ed before
we use it */
png_strcpy(tIME_string,png_convert_to_rfc1123(read_ptr, mod_time));
tIME_chunk_present++;
#endif /* PNG_TIME_RFC1123_SUPPORTED */
}
}
#endif
png_write_end(write_ptr, write_end_info_ptr);
#ifdef PNG_EASY_ACCESS_SUPPORTED
if(verbose)
@@ -867,6 +911,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
png_debug(0, "Destroying data structs\n");
png_free(read_ptr, row_buf);
png_destroy_read_struct(&read_ptr, &read_info_ptr, &end_info_ptr);
png_destroy_info_struct(write_ptr, &write_end_info_ptr);
png_destroy_write_struct(&write_ptr, &write_info_ptr);
fclose(fpin);
@@ -1038,7 +1083,7 @@ main(int argc, char *argv[])
if (kerror == 0)
{
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
fprintf(STDERR, " PASS (%lu zero samples)\n",zero_samples);
fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
@@ -1101,7 +1146,7 @@ main(int argc, char *argv[])
{
int k;
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
fprintf(STDERR, " PASS (%lu zero samples)\n",zero_samples);
fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
@@ -1172,7 +1217,7 @@ main(int argc, char *argv[])
/* Generate a compiler error if there is an old png.h in the search path. */
void
png_check_pngtest_version
(version_1_0_5 png_h_is_not_version_1_0_5)
(version_1_0_5a png_h_is_not_version_1_0_5a)
{
if(png_h_is_not_version_1_0_5 == NULL) return;
if(png_h_is_not_version_1_0_5a == NULL) return;
}