From ebe2130892abc570aa45f722b4e535a6886b573d Mon Sep 17 00:00:00 2001
From: "jwatt%jwatt.org" <jwatt%jwatt.org>
Date: Fri, 26 May 2006 16:01:44 +0000
Subject: [PATCH] Partial fix for bug 338580. Improve SVG hittesting
 performance. Patched by Alex Fritze <alex@croczilla.com>. r=jwatt@jwatt.org,
 sr=tor@acm.org

---
 layout/svg/renderer/src/cairo/nsSVGCairoGlyphGeometry.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/layout/svg/renderer/src/cairo/nsSVGCairoGlyphGeometry.cpp b/layout/svg/renderer/src/cairo/nsSVGCairoGlyphGeometry.cpp
index a4d12e0e2fc..8947ab6c669 100644
--- a/layout/svg/renderer/src/cairo/nsSVGCairoGlyphGeometry.cpp
+++ b/layout/svg/renderer/src/cairo/nsSVGCairoGlyphGeometry.cpp
@@ -384,6 +384,13 @@ nsSVGCairoGlyphGeometry::ContainsPoint(nsSVGGlyphFrame *aSource,
 {
   *_retval = PR_FALSE;
 
+  // early reject test
+  if (mCoveredRegion) {
+    nsCOMPtr<nsISVGCairoRegion> region = do_QueryInterface(mCoveredRegion);
+    if (!region->Contains(x,y))
+      return NS_OK;
+  }
+  
   /* get the metrics */
   nsCOMPtr<nsISVGCairoGlyphMetrics> metrics;
   {