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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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17
png.c
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@@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* libpng version 1.0.4 - September 19, 1999
* libpng version 1.0.4c - October 1, 1999
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
* Copyright (c) 1998, 1999 Glenn Randers-Pehrson
@@ -16,7 +16,7 @@
* string defined in png.h.
*/
char png_libpng_ver[12] = "1.0.4";
char png_libpng_ver[12] = "1.0.4c";
/* Place to hold the signature string for a PNG file. */
png_byte FARDATA png_sig[8] = {137, 80, 78, 71, 13, 10, 26, 10};
@@ -73,12 +73,12 @@ int FARDATA png_pass_mask[] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
/* Mask to determine which pixels to overwrite while displaying */
int FARDATA png_pass_dsp_mask[] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
/* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another
* stream we can set num_bytes = 8 so that libpng will not attempt to read
* or write any of the magic bytes before it starts on the IHDR.
*/
void
png_set_sig_bytes(png_structp png_ptr, int num_bytes)
{
@@ -352,8 +352,17 @@ png_get_copyright(png_structp png_ptr)
{
if(png_ptr == NULL)
/* silence compiler warning about unused png_ptr */ ;
return("\n libpng version 1.0.4 - September 19, 1999\n\
return("\n libpng version 1.0.4c - October 1, 1999\n\
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n\
Copyright (c) 1996, 1997 Andreas Dilger\n\
Copyright (c) 1998, 1999 Glenn Randers-Pehrson\n");
}
/* Generate a compiler error if there is an old png.h in the search path. */
void
png_check_version
(version_1_0_4c png_h_is_not_version_1_0_4c)
{
if(png_h_is_not_version_1_0_4c == NULL)
/* silence compiler warning about unused parameter */ ;
}