Merge pull request #456 from felixbuenemann/support-older-librsvg2

Support older librsvg2 / Add Travis checks for svgload / gifload

.travis.yml

@@ -8,6 +8,7 @@ before_install:
   - sudo apt-get install swig libmagick++-dev bc 
   - sudo apt-get install libcfitsio3-dev libgsl0-dev libmatio-dev
   - sudo apt-get install liborc-0.4-dev liblcms2-dev libpoppler-glib-dev
+  - sudo apt-get install librsvg2-dev libgif-dev
 before_script:
   - ./bootstrap.sh
   - ./configure 

configure.ac

@@ -605,12 +605,12 @@ AC_ARG_WITH([rsvg],
   AS_HELP_STRING([--without-rsvg], [build without rsvg (default: test)]))
 
 if test x"$with_rsvg" != x"no"; then
-  PKG_CHECK_MODULES(RSVG, [librsvg-2.0 >= 2.40 cairo >= 1.2],
-    [AC_DEFINE(HAVE_RSVG,1,[define if you have librsvg-2.0 >= 2.40.0 and cairo >= 1.2 installed.])
+  PKG_CHECK_MODULES(RSVG, [librsvg-2.0 >= 2.34 cairo >= 1.2],
+    [AC_DEFINE(HAVE_RSVG,1,[define if you have librsvg-2.0 >= 2.34.0 and cairo >= 1.2 installed.])
      with_rsvg=yes
      PACKAGES_USED="$PACKAGES_USED librsvg-2.0 cairo"
     ],
-    [AC_MSG_WARN([librsvg-2.0 >= 2.40.0 or cairo >= 1.2 not found; disabling SVG load via rsvg])
+    [AC_MSG_WARN([librsvg-2.0 >= 2.34.0 or cairo >= 1.2 not found; disabling SVG load via rsvg])
      with_rsvg=no
     ]
   )
@@ -1034,7 +1034,7 @@ file import with matio: 		$with_matio
 PDF import with poppler-glib: 		$with_poppler
   (requires poppler-glib 0.16.0 or later)
 SVG import with librsvg-2.0: 		$with_rsvg
-  (requires librsvg-2.0 2.40.0 or later)
+  (requires librsvg-2.0 2.34.0 or later)
 file import with cfitsio: 		$with_cfitsio
 file import/export with libwebp:	$with_libwebp
   (requires libwebp-0.1.3 or later)

test/images/blankpage.svg

@@ -0,0 +1,3 @@
+<svg version="1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 595 842">
+	<path stroke="#fff" fill="#fff" d="M0 0h595v842H0z"/>
+</svg>

test/test_formats.sh

@@ -11,6 +11,14 @@
 poppler=$test_images/blankpage.pdf
 poppler_ref=$test_images/blankpage.png
 
+# rsvg / svgload reference image
+rsvg=$test_images/blankpage.svg
+rsvg_ref=$test_images/blankpage.png
+
+# giflib / gifload reference image
+giflib=$test_images/trans-x.gif
+giflib_ref=$test_images/trans-x.png
+
 # the matlab image and reference image
 matlab=$test_images/sample.mat
 matlab_ref=$test_images/sample.png
@@ -222,6 +230,14 @@ if test_supported pdfload; then
 	test_loader $poppler_ref $poppler pdfload
 fi
 
+if test_supported svgload; then
+	test_loader $rsvg_ref $rsvg svgload
+fi
+
+if test_supported gifload; then
+	test_loader $giflib_ref $giflib gifload
+fi
+
 if test_supported matload; then
 	test_loader $matlab_ref $matlab matlab
 fi