asdfsdf

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012, 2013 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
@@ skipping 2200 matching lines @@
 
     if (hitRegionPath.isEmpty() || !c || !state().isTransformInvertible()
         || !c->getClipDeviceBounds(0)) {
         exceptionState.throwDOMException(NotSupportedError, "The specified path has no pixels.");
         return;
     }
 
     hitRegionPath.transform(state().transform());
 
     if (state().hasClip()) {
-        // FIXME: The hit regions should take clipping region into account.
-        // However, we have no way to get the region from canvas state stack by now.
-        // See http://crbug.com/387057
-        exceptionState.throwDOMException(NotSupportedError, "The specified path has no pixels.");
-        return;
+        hitRegionPath = state().intersectPathWithClip(hitRegionPath.skPath());
+        if (hitRegionPath.isEmpty())
+            exceptionState.throwDOMException(NotSupportedError, "The specified path has no pixels.");
     }
 
     if (!m_hitRegionManager)
         m_hitRegionManager = HitRegionManager::create();
 
     // Remove previous region (with id or control)
     m_hitRegionManager->removeHitRegionById(options.id());
     m_hitRegionManager->removeHitRegionByControl(options.control().get());
 
     RefPtrWillBeRawPtr<HitRegion> hitRegion = HitRegion::create(hitRegionPath, options);
@@ skipping 92 matching lines @@
         if (imageType == CanvasRenderingContext2DState::NonOpaqueImage)
             return;
         if (alpha < 0xFF)
             return;
     }
 
     canvas()->buffer()->willOverwriteCanvas();
 }
 
 } // namespace blink