reading alpha channel of png files properly (#1282615)

.gitignore

@@ -1,2 +1,3 @@
 transfig.3.2.5c.tar.gz
 /transfig.3.2.5d.tar.gz
+/transfig-3.2.5d-bz1282615.patch

sources

@@ -1 +1 @@
-f9eac7f265668ecbfda6aaf7581989ad  transfig.3.2.5d.tar.gz
+f4eff0c25a4d77fe9fa9b0abd898eac9  transfig-3.2.5d-bz1282615.patch

transfig-3.2.5d-bz1282615.patch

@@ -0,0 +1,15 @@
+--- transfig.3.2.5d/fig2dev/dev/readpng.orig.c	2015-11-14 02:57:30.689827624 +0100
++++ transfig.3.2.5d/fig2dev/dev/readpng.c	2015-11-14 03:48:01.893942375 +0100
+@@ -78,8 +78,10 @@
+     png_get_IHDR(png_ptr, info_ptr, &w, &h, &bit_depth, &color_type,
+ 	&interlace_type, &compression_type, &filter_type);
+ 
+-    png_fixed_point gamma = 0.45;
+-    png_get_gAMA_fixed(png_ptr,info_ptr,&gamma);
++    double gamma;
++    if (!png_get_gAMA(png_ptr, info_ptr, &gamma)) {
++        gamma = 0.45455;
++    }
+     png_set_gamma(png_ptr, 2.2, gamma);
+ 
+     if (png_get_valid(png_ptr,info_ptr,PNG_INFO_bKGD)) {

transfig.spec

@@ -1,12 +1,12 @@
 Summary: Utility for converting FIG files (made by xfig) to other formats
 Name: transfig
 Version: 3.2.5d
-Release: 17%{?dist}
+Release: 18%{?dist}
 Epoch: 1
 License: MIT
 URL: http://www.xfig.org/
 Group: Applications/Multimedia
-Source0: http://downloads.sourceforge.net/mcj/%{name}.%{version}.tar.gz
+Source0: https://sourceforge.net/projects/kanapi/files/sources/RELEASES/2014/%{name}-%{version}.tar.gz
 
 Patch0: transfig-3.2.5-optflags.patch
 Patch1: transfig-3.2.5-modularX.patch
@@ -15,6 +15,7 @@ Patch3: transfig-3.2.5d-bz728825.patch
 Patch4: transfig-3.2.5-libpng.patch
 Patch5: transfig-3.2.5d-CVE-2009-4227.patch
 Patch6: transfig-3.2.5d-bz1037365.patch
+Patch7: transfig-3.2.5d-bz1282615.patch
 
 Requires:	ghostscript
 Requires:	bc
@@ -44,6 +45,7 @@ figures into certain graphics languages.
 %patch4 -p1 -b .libpng
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
 
 # fix source permissions
 find -type f -exec chmod -x {} \;
@@ -76,6 +78,9 @@ ln -s fig2ps2tex.1 %{buildroot}%{_mandir}/man1/fig2ps2tex.sh.1
 %{_datadir}/fig2dev
 
 %changelog
+* Thu Mar 31 2016 Tomas Repik <trepik@redhat.com> - 1:3.2.5d-18
+- reading alpha channel of png files properly (#1282615)
+
 * Fri Feb 05 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1:3.2.5d-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild