mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Imported from libpng-1.2.23beta04.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson
2007-10-23 10:54:15 -05:00
parent 930be98598
commit 134a8eb272
52 changed files with 132 additions and 113 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
pngset.c
View File

@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.2.22 [October 16, 2007]
* Last changed in libpng 1.2.22 [October 23, 2007]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -41,7 +41,13 @@ png_set_cHRM(png_structp png_ptr, png_infop info_ptr,
png_debug1(1, "in %s storage function\n", "cHRM");
if (png_ptr == NULL || info_ptr == NULL)
return;
if (!(white_x || white_y || red_x || red_y || green_x || green_y ||
blue_x || blue_y))
{
png_warning(png_ptr,
"Ignoring attempt to set all-zero chromaticity values");
return;
}
if (white_x < 0.0 || white_y < 0.0 ||
red_x < 0.0 || red_y < 0.0 ||
green_x < 0.0 || green_y < 0.0 ||
@@ -93,6 +99,13 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr,
if (png_ptr == NULL || info_ptr == NULL)
return;
if (!(white_x || white_y || red_x || red_y || green_x || green_y ||
blue_x || blue_y))
{
png_warning(png_ptr,
"Ignoring attempt to set all-zero chromaticity values");
return;
}
if (white_x < 0 || white_y < 0 ||
red_x < 0 || red_y < 0 ||
green_x < 0 || green_y < 0 ||