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/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
* Copyright (C) 2022, 2023, 2024 Igalia S.L.
*
* 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 "RenderSVGResourceContainer.h"
#include "SVGMarkerTypes.h"
namespace WebCore {
class GraphicsContext;
class SVGMarkerElement;
class RenderSVGResourceMarker final : public RenderSVGResourceContainer {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderSVGResourceMarker);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderSVGResourceMarker);
public:
RenderSVGResourceMarker(SVGMarkerElement&, RenderStyle&&);
virtual ~RenderSVGResourceMarker();
inline bool hasReverseStart() const;
void invalidateMarker();
// Calculates marker boundaries, mapped to the target element's coordinate space
FloatRect computeMarkerBoundingBox(const SVGBoundingBoxComputation::DecorationOptions&, const AffineTransform& markerTransformation) const;
AffineTransform markerTransformation(const FloatPoint& origin, float angle, float strokeWidth) const;
private:
ASCIILiteral renderName() const final { return "RenderSVGResourceMarker"_s; }
inline SVGMarkerElement& markerElement() const;
inline Ref<SVGMarkerElement> protectedMarkerElement() const;
inline FloatPoint referencePoint() const;
inline std::optional<float> angle() const;
inline SVGMarkerUnitsType markerUnits() const;
FloatRect viewport() const { return m_viewport; }
FloatSize viewportSize() const { return m_viewport.size(); }
void element() const = delete;
bool updateLayoutSizeIfNeeded() final;
std::optional<FloatRect> overridenObjectBoundingBoxWithoutTransformations() const final { return std::make_optional(viewport()); }
FloatRect computeViewport() const;
void applyTransform(TransformationMatrix&, const RenderStyle&, const FloatRect& boundingBox, OptionSet<RenderStyle::TransformOperationOption>) const final;
LayoutRect overflowClipRect(const LayoutPoint& location, OverlayScrollbarSizeRelevancy = OverlayScrollbarSizeRelevancy::IgnoreOverlayScrollbarSize, PaintPhase = PaintPhase::BlockBackground) const final;
void updateLayerTransform() final;
bool needsHasSVGTransformFlags() const final { return true; }
void layout() final;
void updateFromStyle() final;
private:
AffineTransform m_supplementalLayerTransform;
FloatRect m_viewport;
};
}
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGResourceMarker, isRenderSVGResourceMarker())
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