From e0d9fc95ca1a54eee5b6dfbf6ce24fb2a5fc654b Mon Sep 17 00:00:00 2001
From: "pavlov%pavlov.net"
 <pavlov%pavlov.net@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 20 Apr 2005 01:59:51 +0000
Subject: [PATCH] fixing clearRect to actually clear r=vlad a=brendan

git-svn-id: svn://10.0.0.236/trunk@172474 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/content/canvas/src/nsCanvasRenderingContext2D.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mozilla/content/canvas/src/nsCanvasRenderingContext2D.cpp b/mozilla/content/canvas/src/nsCanvasRenderingContext2D.cpp
index 14da95abf2a..6b2d655f25b 100644
--- a/mozilla/content/canvas/src/nsCanvasRenderingContext2D.cpp
+++ b/mozilla/content/canvas/src/nsCanvasRenderingContext2D.cpp
@@ -909,10 +909,13 @@ nsCanvasRenderingContext2D::ClearRect(float x, float y, float w, float h)
 
     DirtyAllStyles();
 
+    cairo_save (mCairo);
+    cairo_set_operator (mCairo, CAIRO_OPERATOR_CLEAR);
     cairo_set_alpha (mCairo, 0.0);
     cairo_new_path (mCairo);
     cairo_rectangle (mCairo, x, y, w, h);
     cairo_fill (mCairo);
+    cairo_restore (mCairo);
 
     return Redraw();
 }