# HG changeset patch
# User Alain Mazy <alain@mazy.be>
# Date 1570479106 -7200
# Node ID 692291406f6a7f8ad312393a1a02aaa153c4de20
# Parent  7912de3a15e0b36e2f641b2de7501ea87790ba16
virtual Render

diff -r 7912de3a15e0 -r 692291406f6a Framework/Radiography/RadiographyScene.h
--- a/Framework/Radiography/RadiographyScene.h	Fri Oct 04 17:47:31 2019 +0200
+++ b/Framework/Radiography/RadiographyScene.h	Mon Oct 07 22:11:46 2019 +0200
@@ -263,9 +263,9 @@
 
     Extent2D GetSceneExtent() const;
 
-    void Render(Orthanc::ImageAccessor& buffer,
-                const AffineTransform2D& viewTransform,
-                ImageInterpolation interpolation) const;
+    virtual void Render(Orthanc::ImageAccessor& buffer,
+                        const AffineTransform2D& viewTransform,
+                        ImageInterpolation interpolation) const;
 
     bool LookupLayer(size_t& index /* out */,
                      double x,
diff -r 7912de3a15e0 -r 692291406f6a Framework/Toolbox/AffineTransform2D.h
--- a/Framework/Toolbox/AffineTransform2D.h	Fri Oct 04 17:47:31 2019 +0200
+++ b/Framework/Toolbox/AffineTransform2D.h	Mon Oct 07 22:11:46 2019 +0200
@@ -77,6 +77,7 @@
                                      const AffineTransform2D& c,
                                      const AffineTransform2D& d);
 
+    // transformations are applied right to left: e is the first transfo applied, a is the last one
     static AffineTransform2D Combine(const AffineTransform2D& a,
                                      const AffineTransform2D& b,
                                      const AffineTransform2D& c,