X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_geometry%2Frectangle.cpp;h=537f1ec46bec2e158f7a52a42ddf8f6babc28fe8;hb=37600b4b217caa5e316984ec0b035c5e8f9698af;hp=9925751b929946ddd43620dfb56be8d896a786ab;hpb=20a8054947d38fe892df03fe7c630d0190e13e87;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/mod_geometry/rectangle.cpp b/synfig-core/trunk/src/modules/mod_geometry/rectangle.cpp
index 9925751..537f1ec 100644
--- a/synfig-core/trunk/src/modules/mod_geometry/rectangle.cpp
+++ b/synfig-core/trunk/src/modules/mod_geometry/rectangle.cpp
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**	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
@@ -177,6 +178,15 @@ Rectangle::hit_check(synfig::Context context, const synfig::Point &pos)const
 	return context.hit_check(pos);
 }
 
+bool
+Rectangle::is_solid_color()const
+{
+	return Layer_Composite::is_solid_color() ||
+		(get_blend_method() == Color::BLEND_COMPOSITE &&
+		 get_amount() == 1.0f &&
+		 color.get_a() == 1.0f);
+}
+
 Color
 Rectangle::get_color(Context context, const Point &pos)const
 {
@@ -456,12 +466,7 @@ Rectangle::accelerated_render(Context context,Surface *surface,int quality, cons
 		return true;
 	}
 
-	// Render what is behind us
-	if(!context.accelerated_render(surface,quality,renddesc,cb))
-	{
-		if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
-		return false;
-	}
+	// not inverted
 
 	int left(ceil_to_int((min[0]-tl[0])/pw));
 	int right(floor_to_int((max[0]-tl[0])/pw));
@@ -485,12 +490,29 @@ Rectangle::accelerated_render(Context context,Surface *surface,int quality, cons
 	right = std::min(w,right);
 */
 
-	Surface::alpha_pen pen;
+	// optimisation - if the whole tile is covered by this rectangle,
+	// and the rectangle is a solid colour, we don't need to render
+	// what's behind us
+	if (is_solid_color() && top == 0 && left == 0 && bottom == h && right == w)
+	{
+		surface->set_wh(w,h);
+		surface->fill(color);
+		return true;
+	}
+
+	// Render what is behind us
+	if(!context.accelerated_render(surface,quality,renddesc,cb))
+	{
+		if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+		return false;
+	}
 
 	// In the case where there is nothing to render...
-	if(right-left<0||bottom-top<0)
+	if (right < left || bottom < top)
 		return true;
 
+	Surface::alpha_pen pen;
+
 	if(right-left>0&&bottom-top>0)
 	{
 		if(is_solid_color())