Move rendering/svg/RenderSVGResource* to layout/svg.

Source/core/rendering/svg/RenderSVGResourceClipper.h

-/*
- * 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.
- */
-
-#ifndef RenderSVGResourceClipper_h
-#define RenderSVGResourceClipper_h
-
-#include "core/rendering/svg/RenderSVGResourceContainer.h"
-#include "core/svg/SVGClipPathElement.h"
-
-class SkPicture;
-
-namespace blink {
-
-class RenderSVGResourceClipper final : public RenderSVGResourceContainer {
-public:
-    enum ClipperState {
-        ClipperNotApplied,
-        ClipperAppliedPath,
-        ClipperAppliedMask
-    };
-
-    explicit RenderSVGResourceClipper(SVGClipPathElement*);
-    virtual ~RenderSVGResourceClipper();
-
-    virtual const char* renderName() const override { return "RenderSVGResourceClipper"; }
-
-    virtual void removeAllClientsFromCache(bool markForInvalidation = true) override;
-    virtual void removeClientFromCache(LayoutObject*, bool markForInvalidation = true) override;
-
-    // FIXME: Filters are also stateful resources that could benefit from having their state managed
-    //        on the caller stack instead of the current hashmap. We should look at refactoring these
-    //        into a general interface that can be shared.
-    bool applyStatefulResource(LayoutObject*, GraphicsContext*&, ClipperState&);
-    void postApplyStatefulResource(LayoutObject*, GraphicsContext*&, ClipperState&);
-
-    // clipPath can be clipped too, but don't have a boundingBox or paintInvalidationRect. So we can't call
-    // applyResource directly and use the rects from the object, since they are empty for RenderSVGResources
-    // FIXME: We made applyClippingToContext public because we cannot call applyResource on HTML elements (it asserts on LayoutObject::objectBoundingBox)
-    bool applyClippingToContext(LayoutObject*, const FloatRect&, const FloatRect&, GraphicsContext*, ClipperState&);
-
-    FloatRect resourceBoundingBox(const LayoutObject*);
-
-    static const RenderSVGResourceType s_resourceType = ClipperResourceType;
-    virtual RenderSVGResourceType resourceType() const override { return s_resourceType; }
-
-    bool hitTestClipContent(const FloatRect&, const FloatPoint&);
-
-    SVGUnitTypes::SVGUnitType clipPathUnits() const { return toSVGClipPathElement(element())->clipPathUnits()->currentValue()->enumValue(); }
-
-private:
-    bool tryPathOnlyClipping(DisplayItemClient, GraphicsContext*, const AffineTransform&, const FloatRect&);
-    void drawClipMaskContent(GraphicsContext*, const FloatRect& targetBoundingBox);
-    void createPicture(GraphicsContext*);
-    void calculateClipContentPaintInvalidationRect();
-
-    RefPtr<const SkPicture> m_clipContentPicture;
-    FloatRect m_clipBoundaries;
-
-    // Reference cycle detection.
-    bool m_inClipExpansion;
-};
-
-DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(RenderSVGResourceClipper, ClipperResourceType);
-
-}
-
-#endif