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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2018-2019 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 "SVGElement.h"
#include "SVGTests.h"
#include "SVGTransformable.h"
namespace WebCore {
class AffineTransform;
class Path;
class SVGRect;
class SVGMatrix;
class SVGGraphicsElement : public SVGElement, public SVGTransformable, public SVGTests {
WTF_MAKE_ISO_ALLOCATED(SVGGraphicsElement);
public:
virtual ~SVGGraphicsElement();
Ref<SVGMatrix> getCTMForBindings();
AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate) override;
Ref<SVGMatrix> getScreenCTMForBindings();
AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate) override;
SVGElement* nearestViewportElement() const override;
SVGElement* farthestViewportElement() const override;
AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope mode) const override { return SVGTransformable::localCoordinateSpaceTransform(mode); }
AffineTransform animatedLocalTransform() const override;
AffineTransform* ensureSupplementalTransform() override;
AffineTransform* supplementalTransform() const override { return m_supplementalTransform.get(); }
virtual bool hasTransformRelatedAttributes() const { return !transform().concatenate().isIdentity() || m_supplementalTransform; }
Ref<SVGRect> getBBoxForBindings();
FloatRect getBBox(StyleUpdateStrategy = AllowStyleUpdate) override;
bool shouldIsolateBlending() const { return m_shouldIsolateBlending; }
void setShouldIsolateBlending(bool isolate) { m_shouldIsolateBlending = isolate; }
// "base class" methods for all the elements which render as paths
virtual Path toClipPath();
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
size_t approximateMemoryCost() const override { return sizeof(*this); }
using PropertyRegistry = SVGPropertyOwnerRegistry<SVGGraphicsElement, SVGElement, SVGTests>;
const SVGTransformList& transform() const { return m_transform->currentValue(); }
SVGAnimatedTransformList& transformAnimated() { return m_transform; }
protected:
SVGGraphicsElement(const QualifiedName&, Document&, UniqueRef<SVGPropertyRegistry>&&);
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) override;
void svgAttributeChanged(const QualifiedName&) override;
void didAttachRenderers() override;
private:
bool isSVGGraphicsElement() const override { return true; }
// Used by <animateMotion>
std::unique_ptr<AffineTransform> m_supplementalTransform;
// Used to isolate blend operations caused by masking.
bool m_shouldIsolateBlending;
Ref<SVGAnimatedTransformList> m_transform { SVGAnimatedTransformList::create(this) };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SVGGraphicsElement)
static bool isType(const WebCore::SVGElement& element) { return element.isSVGGraphicsElement(); }
static bool isType(const WebCore::Node& node) { return is<WebCore::SVGElement>(node) && isType(downcast<WebCore::SVGElement>(node)); }
SPECIALIZE_TYPE_TRAITS_END()
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