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Imported from libpng-1.2.34beta01.tar

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Glenn Randers-Pehrson
2008-11-27 06:44:23 -06:00
parent c4d44b72e8
commit e502bca962
53 changed files with 366 additions and 300 deletions
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23
pngrutil.c
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@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.33 [October 31, 2008]
* Last changed in libpng 1.2.34 [November 27, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -812,42 +812,21 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
uint_x = png_get_uint_32(buf);
uint_y = png_get_uint_32(buf + 4);
if (uint_x > 80000L || uint_y > 80000L ||
uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM white point");
return;
}
int_x_white = (png_fixed_point)uint_x;
int_y_white = (png_fixed_point)uint_y;
uint_x = png_get_uint_32(buf + 8);
uint_y = png_get_uint_32(buf + 12);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM red point");
return;
}
int_x_red = (png_fixed_point)uint_x;
int_y_red = (png_fixed_point)uint_y;
uint_x = png_get_uint_32(buf + 16);
uint_y = png_get_uint_32(buf + 20);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM green point");
return;
}
int_x_green = (png_fixed_point)uint_x;
int_y_green = (png_fixed_point)uint_y;
uint_x = png_get_uint_32(buf + 24);
uint_y = png_get_uint_32(buf + 28);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM blue point");
return;
}
int_x_blue = (png_fixed_point)uint_x;
int_y_blue = (png_fixed_point)uint_y;