Shortcut color blending in get_color() when blend method is 'straight' and amount...

git-svn-id: https://synfig.svn.sourceforge.net/svnroot/synfig@2248 1f10aa63-cdf2-0310-b900-c93c546f37ac

diff --git a/synfig-core/trunk/src/modules/example/metaballs.cpp b/synfig-core/trunk/src/modules/example/metaballs.cpp
index a582dc1..b365ea5 100644 (file)
--- a/synfig-core/trunk/src/modules/example/metaballs.cpp
+++ b/synfig-core/trunk/src/modules/example/metaballs.cpp
@@ -178,7 +178,12 @@ Color
 Metaballs::get_color(Context context, const Point &pos)const
 {
        if (totaldensity(pos) >= threshold)
-               return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
+       {
+               if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
+                       return color;
+               else
+                       return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method());
+       }
        else
                return context.get_color(pos);
 }