Consolidated checks for the PaintBehaviorRenderingSVGMask flag

Source/core/rendering/svg/SVGRenderSupport.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
 
+#include "core/frame/FrameView.h"
+#include "core/frame/LocalFrame.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderGeometryMap.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/SubtreeLayoutScope.h"
 #include "core/rendering/svg/RenderSVGInlineText.h"
 #include "core/rendering/svg/RenderSVGResourceClipper.h"
 #include "core/rendering/svg/RenderSVGResourceFilter.h"
 #include "core/rendering/svg/RenderSVGResourceMasker.h"
 #include "core/rendering/svg/RenderSVGRoot.h"
 #include "core/rendering/svg/RenderSVGShape.h"
@@ skipping 229 matching lines @@
 }
 
 bool SVGRenderSupport::isOverflowHidden(const RenderObject* object)
 {
     // RenderSVGRoot should never query for overflow state - it should always clip itself to the initial viewport size.
     ASSERT(!object->isDocumentElement());
 
     return object->style()->overflowX() == OHIDDEN || object->style()->overflowX() == OSCROLL;
 }
 
+bool SVGRenderSupport::isRenderingMaskImage(const RenderObject& object)
+{
+    return object.frame() && object.frame()->view() && object.frame()->view()->paintBehavior() & PaintBehaviorRenderingSVGMask;
+}
+
 void SVGRenderSupport::intersectPaintInvalidationRectWithResources(const RenderObject* renderer, FloatRect& paintInvalidationRect)
 {
     ASSERT(renderer);
 
     SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(renderer);
     if (!resources)
         return;
 
     if (RenderSVGResourceFilter* filter = resources->filter())
         paintInvalidationRect = filter->resourceBoundingBox(renderer);
@@ skipping 111 matching lines @@
 }
 
 bool SVGRenderSupport::isRenderableTextNode(const RenderObject* object)
 {
     ASSERT(object->isText());
     // <br> is marked as text, but is not handled by the SVG rendering code-path.
     return object->isSVGInlineText() && !toRenderSVGInlineText(object)->hasEmptyText();
 }
 
 }