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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.
*/
#pragma once
#include "LegacyRenderSVGResourceContainer.h"
namespace WebCore {
class AffineTransform;
class RenderObject;
class SVGMarkerElement;
class LegacyRenderSVGResourceMarker final : public LegacyRenderSVGResourceContainer {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(LegacyRenderSVGResourceMarker);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(LegacyRenderSVGResourceMarker);
public:
LegacyRenderSVGResourceMarker(SVGMarkerElement&, RenderStyle&&);
virtual ~LegacyRenderSVGResourceMarker();
inline SVGMarkerElement& markerElement() const;
void removeAllClientsFromCacheIfNeeded(bool markForInvalidation, SingleThreadWeakHashSet<RenderObject>* visitedRenderers) override;
void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override;
void draw(PaintInfo&, const AffineTransform&);
// Calculates marker boundaries, mapped to the target element's coordinate space
FloatRect markerBoundaries(RepaintRectCalculation, const AffineTransform& markerTransformation) const;
void applyViewportClip(PaintInfo&) override;
void layout() override;
void calcViewport() override;
const AffineTransform& localToParentTransform() const override;
AffineTransform markerTransformation(const FloatPoint& origin, float angle, float strokeWidth) const;
OptionSet<ApplyResult> applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) override { return { }; }
FloatRect resourceBoundingBox(const RenderObject&, RepaintRectCalculation) override { return FloatRect(); }
FloatPoint referencePoint() const;
std::optional<float> angle() const;
inline SVGMarkerUnitsType markerUnits() const;
RenderSVGResourceType resourceType() const override { return MarkerResourceType; }
private:
void element() const = delete;
ASCIILiteral renderName() const override { return "RenderSVGResourceMarker"_s; }
// Generates a transformation matrix usable to render marker content. Handles scaling the marker content
// acording to SVGs markerUnits="strokeWidth" concept, when a strokeWidth value != -1 is passed in.
AffineTransform markerContentTransformation(const AffineTransform& contentTransformation, const FloatPoint& origin, float strokeWidth = -1) const;
AffineTransform viewportTransform() const;
mutable AffineTransform m_localToParentTransform;
FloatRect m_viewport;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::LegacyRenderSVGResourceMarker)
static bool isType(const WebCore::RenderObject& renderer) { return renderer.isLegacyRenderSVGResourceMarker(); }
static bool isType(const WebCore::LegacyRenderSVGResource& resource) { return resource.resourceType() == WebCore::MarkerResourceType; }
SPECIALIZE_TYPE_TRAITS_END()
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