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Imported from libpng-1.0.10beta1.tar

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This commit is contained in:
Glenn Randers-Pehrson
2001-03-14 07:08:39 -06:00
parent d4e8109a48
commit 1909560348
52 changed files with 1171 additions and 694 deletions
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10
pngwutil.c
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@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* libpng 1.0.9 - January 31, 2001
* libpng 1.0.10beta1 - March 14, 2001
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2001 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -10,6 +10,7 @@
#define PNG_INTERNAL
#include "png.h"
#ifdef PNG_WRITE_SUPPORTED
/* Place a 32-bit number into a buffer in PNG byte order. We work
* with unsigned numbers for convenience, although one supported
@@ -534,7 +535,8 @@ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)
png_debug(1, "in png_write_PLTE\n");
if ((
#if defined(PNG_MNG_FEATURES_SUPPORTED)
#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
defined (PNG_WRITE_EMPTY_PLTE_SUPPORTED)
!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) &&
#endif
num_pal == 0) || num_pal > 256)
@@ -1017,7 +1019,8 @@ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type)
if (color_type == PNG_COLOR_TYPE_PALETTE)
{
if (
#if defined(PNG_MNG_FEATURES_SUPPORTED)
#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
defined (PNG_WRITE_EMPTY_PLTE_SUPPORTED)
(png_ptr->num_palette ||
(!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) &&
#endif
@@ -2631,3 +2634,4 @@ png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row)
}
#endif
}
#endif /* PNG_WRITE_SUPPORTED */