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LegacyRenderSVGViewportContainer.h
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LegacyRenderSVGViewportContainer.h
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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2009 Google, Inc.
* Copyright (C) 2009 Apple Inc. 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.
*/
#pragma once
#include "LegacyRenderSVGContainer.h"
namespace WebCore {
// This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable
// thus we inherit from LegacyRenderSVGContainer instead of LegacyRenderSVGTransformableContainer
class LegacyRenderSVGViewportContainer final : public LegacyRenderSVGContainer {
WTF_MAKE_ISO_ALLOCATED(LegacyRenderSVGViewportContainer);
public:
LegacyRenderSVGViewportContainer(SVGSVGElement&, RenderStyle&&);
SVGSVGElement& svgSVGElement() const;
FloatRect viewport() const { return m_viewport; }
bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
bool didTransformToRootUpdate() override { return m_didTransformToRootUpdate; }
void determineIfLayoutSizeChanged() override;
void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
void paint(PaintInfo&, const LayoutPoint&) override;
private:
void element() const = delete;
bool isLegacySVGViewportContainer() const override { return true; }
ASCIILiteral renderName() const override { return "RenderSVGViewportContainer"_s; }
AffineTransform viewportTransform() const;
const AffineTransform& localToParentTransform() const override { return m_localToParentTransform; }
void calcViewport() override;
bool calculateLocalTransform() override;
void applyViewportClip(PaintInfo&) override;
bool pointIsInsideViewportClip(const FloatPoint& pointInParent) override;
bool m_didTransformToRootUpdate : 1;
bool m_isLayoutSizeChanged : 1;
bool m_needsTransformUpdate : 1;
FloatRect m_viewport;
mutable AffineTransform m_localToParentTransform;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(LegacyRenderSVGViewportContainer, isLegacySVGViewportContainer())