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/*
* 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 LayoutSVGResourceMasker_h
#define LayoutSVGResourceMasker_h
#include "core/layout/svg/LayoutSVGResourceContainer.h"
#include "core/svg/SVGMaskElement.h"
#include "core/svg/SVGUnitTypes.h"
#include "platform/geometry/FloatRect.h"
#include "third_party/skia/include/core/SkRefCnt.h"
class SkPicture;
namespace blink {
class AffineTransform;
class GraphicsContext;
class LayoutSVGResourceMasker final : public LayoutSVGResourceContainer {
public:
explicit LayoutSVGResourceMasker(SVGMaskElement*);
~LayoutSVGResourceMasker() override;
const char* name() const override { return "LayoutSVGResourceMasker"; }
void removeAllClientsFromCache(bool markForInvalidation = true) override;
void removeClientFromCache(LayoutObject*,
bool markForInvalidation = true) override;
FloatRect resourceBoundingBox(const LayoutObject*);
SVGUnitTypes::SVGUnitType maskUnits() const {
return toSVGMaskElement(element())
->maskUnits()
->currentValue()
->enumValue();
}
SVGUnitTypes::SVGUnitType maskContentUnits() const {
return toSVGMaskElement(element())
->maskContentUnits()
->currentValue()
->enumValue();
}
static const LayoutSVGResourceType s_resourceType = MaskerResourceType;
LayoutSVGResourceType resourceType() const override { return s_resourceType; }
sk_sp<const SkPicture> createContentPicture(AffineTransform&,
const FloatRect&,
GraphicsContext&);
private:
void calculateMaskContentVisualRect();
sk_sp<const SkPicture> m_maskContentPicture;
FloatRect m_maskContentBoundaries;
};
DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceMasker,
MaskerResourceType);
} // namespace blink
#endif
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