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

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

diff --git a/synfig-core/trunk/src/synfig/layer_shape.cpp b/synfig-core/trunk/src/synfig/layer_shape.cpp
index 32dde4d..269eaf1 100644 (file)
--- a/synfig-core/trunk/src/synfig/layer_shape.cpp
+++ b/synfig-core/trunk/src/synfig/layer_shape.cpp
@@ -1149,7 +1149,9 @@ Layer_Shape::clear()
 bool
 Layer_Shape::set_param(const String & param, const ValueBase &value)
 {
-       IMPORT(color);
+       IMPORT_PLUS(color, { if (color.get_a() == 0) if (converted_blend_) {
+                                       set_blend_method(Color::BLEND_ALPHA_OVER);
+                                       color.set_a(1); } else transparent_color_ = true; });
        IMPORT(offset);
        IMPORT(invert);
        IMPORT(antialias);