Quite a lot of the example canvases use the trick of blending a transparent shape...

[synfig.git] / synfig-core / trunk / src / synfig / layer_composite.cpp

diff --git a/synfig-core/trunk/src/synfig/layer_composite.cpp b/synfig-core/trunk/src/synfig/layer_composite.cpp
index 2cd6a17..16f2c33 100644 (file)
--- a/synfig-core/trunk/src/synfig/layer_composite.cpp
+++ b/synfig-core/trunk/src/synfig/layer_composite.cpp
@@ -176,7 +176,16 @@ Layer_Composite::set_param(const String & param, const ValueBase &value)
                                                warning("loaded a version %s canvas with a 'Straight' blended PasteCanvas (%s) - check it renders OK",
                                                                version.c_str(), get_non_empty_description().c_str());
                                        else
+                                       {
                                                blend_method_ = Color::BLEND_COMPOSITE;
+                                               converted_blend_ = true;
+
+                                               // if this layer has a transparent color, go back and set the color again
+                                               // now that we know we are converting the blend method as well.  that will
+                                               // make the color non-transparent, and change the blend method to alpha over
+                                               if (transparent_color_)
+                                                       set_param("color", get_param("color"));
+                                       }
                        }
                }
        }