[75192] trunk/dports/graphics/povray

[jmr at macports.org]

Revision: 75192
          http://trac.macports.org/changeset/75192
Author:   jmr at macports.org
Date:     2011-01-17 08:39:59 -0800 (Mon, 17 Jan 2011)
Log Message:
-----------
povray: fix build with libpng 1.4 (#28003)

Modified Paths:
--------------
    trunk/dports/graphics/povray/Portfile

Added Paths:
-----------
    trunk/dports/graphics/povray/files/povray-3.6.1-libpng14.patch

Modified: trunk/dports/graphics/povray/Portfile
===================================================================
--- trunk/dports/graphics/povray/Portfile	2011-01-17 14:36:48 UTC (rev 75191)
+++ trunk/dports/graphics/povray/Portfile	2011-01-17 16:39:59 UTC (rev 75192)
@@ -30,7 +30,8 @@
 	port:zlib \
 	port:tiff
 
-patchfiles      patch-configure patch-source_png_pov.cpp
+patchfiles      patch-configure patch-source_png_pov.cpp \
+                povray-3.6.1-libpng14.patch
 
 # uses its own cflags in addition to the ones we pass anyway
 configure.optflags

Added: trunk/dports/graphics/povray/files/povray-3.6.1-libpng14.patch
===================================================================
--- trunk/dports/graphics/povray/files/povray-3.6.1-libpng14.patch	                        (rev 0)
+++ trunk/dports/graphics/povray/files/povray-3.6.1-libpng14.patch	2011-01-17 16:39:59 UTC (rev 75192)
@@ -0,0 +1,20 @@
+--- source/png_pov.cpp
++++ source/png_pov.cpp
+@@ -1428,7 +1428,7 @@
+ 		if(r_info_ptr->valid & PNG_INFO_tRNS)
+ 		{
+ 			for (index = 0; index < r_info_ptr->num_trans; index++)
+-				cmap[index].Transmit = 255 - r_info_ptr->trans[index];
++				cmap[index].Transmit = 255 - r_info_ptr->trans_alpha[index];
+ 		}
+ 
+ 		Image->data.map_lines = (unsigned char **)POV_MALLOC(height * sizeof(unsigned char *), "PNG image");
+@@ -1461,7 +1461,7 @@
+ 		if(r_info_ptr->valid & PNG_INFO_tRNS)
+ 		{
+ 			for (index = 0; index < r_info_ptr->num_trans; index++)
+-				cmap[index].Transmit = 255 - r_info_ptr->trans[index];
++				cmap[index].Transmit = 255 - r_info_ptr->trans_alpha[index];
+ 		}
+ 
+ 		Image->data.map_lines = (unsigned char **)POV_MALLOC(height * sizeof(unsigned char *), "PNG image");
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