First step towards fixing 'straight onto' blending.

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

diff --git a/synfig-core/trunk/src/synfig/layer_composite.h b/synfig-core/trunk/src/synfig/layer_composite.h
index 2dcac68..1db98e2 100644 (file)
--- a/synfig-core/trunk/src/synfig/layer_composite.h
+++ b/synfig-core/trunk/src/synfig/layer_composite.h
@@ -6,6 +6,7 @@
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007 Chris Moore
 **
 **     This package is free software; you can redistribute it and/or
 **     modify it under the terms of the GNU General Public License as
@@ -42,7 +43,7 @@ class Layer_NoDeform {};
 
 
 /*!    \class Layer_Composite
-**     \brief Base class for layers that put stuff ontop of lower layers
+**     \brief Base class for layers that put stuff on top of lower layers
 */
 class Layer_Composite : public Layer
 {
@@ -72,7 +73,7 @@ public:
 
        Layer_Composite& set_blend_method(Color::BlendMethod x) { blend_method_=x; return *this; }
 
-       bool is_solid_color()const { return amount_==1.0f && blend_method_==Color::BLEND_STRAIGHT; }
+       virtual bool is_solid_color()const { return amount_==1.0f && blend_method_==Color::BLEND_STRAIGHT; }
 
        bool is_disabled()const { return amount_==0.0f; }