Use ImageMagick for test stuff.

[dcpomatic.git] / test / test.cc

diff --git a/test/test.cc b/test/test.cc
index a3235eb626f0b1dcb6027ab41acff00416514beb..c87f4e70b736d9c4e8d561fd8b9c1d0ca22a4fbc 100644 (file)
--- a/test/test.cc
+++ b/test/test.cc
@@ -46,6 +46,7 @@
 #include <asdcp/AS_DCP.h>
 #include <sndfile.h>
 #include <libxml++/libxml++.h>
+#include <Magick++.h>
 extern "C" {
 #include <libavformat/avformat.h>
 }
@@ -232,7 +233,17 @@ check_mxf_audio_file (boost::filesystem::path ref, boost::filesystem::path check
 void
 check_image (boost::filesystem::path ref, boost::filesystem::path check, double threshold)
 {
-       /* XXX */
+       using namespace MagickCore;
+
+       Magick::Image ref_image;
+       ref_image.read (ref.string ());
+       Magick::Image check_image;
+       check_image.read (check.string ());
+       /* XXX: this is a hack; we really want the ImageMagick call but GraphicsMagick doesn't have it;
+          this may cause random test failures on platforms that use GraphicsMagick.
+       */
+       double const dist = ref_image.compare(check_image, Magick::RootMeanSquaredErrorMetric);
+       BOOST_CHECK_MESSAGE (dist < threshold, ref << " differs from " << check << " " << dist);
 }
 
 void
@@ -408,7 +419,10 @@ wait_for_jobs ()
 void
 write_image (shared_ptr<const Image> image, boost::filesystem::path file, string format)
 {
-       /* XXX */
+       using namespace MagickCore;
+
+       Magick::Image m (image->size().width, image->size().height, format.c_str(), CharPixel, (void *) image->data()[0]);
+       m.write (file.string ());
 }
 
 void