mirror of
https://github.com/Ponce/slackbuilds
synced 2024-12-05 00:55:44 +01:00
a1b40631bc
Signed-off-by: Robby Workman <rworkman@slackbuilds.org>
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
|
|
diff -r e29281594440 -r 9d9b5f3a97cd src/vigra_impex/png.cxx
|
|
--- a/src/vigra_impex/png.cxx Mon Nov 09 11:10:35 2009 +0100
|
|
+++ b/src/vigra_impex/png.cxx Mon Apr 12 14:52:44 2010 +0200
|
|
@@ -65,10 +65,20 @@
|
|
#include <png.h>
|
|
}
|
|
|
|
+#define STRINGIFY(m_argument) #m_argument
|
|
+
|
|
#if PNG_LIBPNG_VER < 10201
|
|
#error "please update your libpng to at least 1.2.1"
|
|
#endif
|
|
|
|
+#if PNG_LIBPNG_VER >= 10400
|
|
+#define PNG_SET_EXPAND_GRAY_1_2_4_TO_8_NAME png_set_expand_gray_1_2_4_to_8
|
|
+#else
|
|
+#define PNG_SET_EXPAND_GRAY_1_2_4_TO_8_NAME png_set_gray_1_2_4_to_8
|
|
+#endif
|
|
+#define PNG_SET_EXPAND_GRAY_1_2_4_TO_8_FUNCTION_NAME STRINGIFY(PNG_SET_EXPAND_GRAY_1_2_4_TO_8_NAME)
|
|
+#define PNG_SET_EXPAND_GRAY_1_2_4_TO_8(m_image) PNG_SET_EXPAND_GRAY_1_2_4_TO_8_NAME(m_image)
|
|
+
|
|
// TODO: per-scanline reading/writing
|
|
|
|
namespace {
|
|
@@ -274,8 +284,8 @@
|
|
// expand gray values to at least one byte size
|
|
if ( color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8 ) {
|
|
if (setjmp(png->jmpbuf))
|
|
- vigra_postcondition( false,png_error_message.insert(0, "error in png_set_gray_1_2_4_to_8(): ").c_str());
|
|
- png_set_gray_1_2_4_to_8(png);
|
|
+ vigra_postcondition( false, png_error_message.insert(0, "error in " PNG_SET_EXPAND_GRAY_1_2_4_TO_8_FUNCTION_NAME " (): ").c_str());
|
|
+ PNG_SET_EXPAND_GRAY_1_2_4_TO_8(png);
|
|
bit_depth = 8;
|
|
}
|
|
|
|
|
|
|
|
|
|
|