[76089] trunk/dports/graphics/synfig

[ryandesign at macports.org]

Revision: 76089
          http://trac.macports.org/changeset/76089
Author:   ryandesign at macports.org
Date:     2011-02-17 22:25:48 -0800 (Thu, 17 Feb 2011)
Log Message:
-----------
synfig: fix build failure with libpng 1.4; see #28440

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

Added Paths:
-----------
    trunk/dports/graphics/synfig/files/
    trunk/dports/graphics/synfig/files/patch-src-modules-mod_png-mptr_png.cpp.diff

Modified: trunk/dports/graphics/synfig/Portfile
===================================================================
--- trunk/dports/graphics/synfig/Portfile	2011-02-18 05:59:53 UTC (rev 76088)
+++ trunk/dports/graphics/synfig/Portfile	2011-02-18 06:25:48 UTC (rev 76089)
@@ -41,6 +41,8 @@
                     port:libxmlxx2 \
                     port:openexr
 
+patchfiles          patch-src-modules-mod_png-mptr_png.cpp.diff
+
 post-destroot {
     set docdir ${destroot}${prefix}/share/doc/${name}
     xinstall -d ${docdir}

Added: trunk/dports/graphics/synfig/files/patch-src-modules-mod_png-mptr_png.cpp.diff
===================================================================
--- trunk/dports/graphics/synfig/files/patch-src-modules-mod_png-mptr_png.cpp.diff	                        (rev 0)
+++ trunk/dports/graphics/synfig/files/patch-src-modules-mod_png-mptr_png.cpp.diff	2011-02-18 06:25:48 UTC (rev 76089)
@@ -0,0 +1,11 @@
+--- src/modules/mod_png/mptr_png.cpp.orig	2010-11-13 07:51:52.000000000 -0600
++++ src/modules/mod_png/mptr_png.cpp	2011-02-18 00:08:50.000000000 -0600
+@@ -309,7 +309,7 @@
+ 				float b=gamma().b_U8_to_F32((unsigned char)png_ptr->palette[row_pointers[y][x]].blue);
+ 				float a=1.0;
+ 				if(info_ptr->valid & PNG_INFO_tRNS)
+-				    a = (float)(unsigned char)png_ptr->trans[row_pointers[y][x]]*(1.0/255.0);
++				    a = (float)(unsigned char)png_ptr->trans_alpha[row_pointers[y][x]]*(1.0/255.0);
+ 				surface_buffer[y][x]=Color(
+ 					r,
+ 					g,
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