136 lines
5.5 KiB
C++
136 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SVGPathElement_h
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#define mozilla_dom_SVGPathElement_h
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#include "mozilla/gfx/2D.h"
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#include "mozilla/RefPtr.h"
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#include "nsSVGNumber2.h"
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#include "nsSVGPathGeometryElement.h"
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#include "SVGAnimatedPathSegList.h"
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#include "DOMSVGPathSeg.h"
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nsresult NS_NewSVGPathElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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typedef nsSVGPathGeometryElement SVGPathElementBase;
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namespace mozilla {
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class nsISVGPoint;
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namespace dom {
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class SVGPathElement final : public SVGPathElementBase
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{
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friend class nsSVGPathFrame;
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typedef mozilla::gfx::Path Path;
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protected:
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friend nsresult (::NS_NewSVGPathElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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explicit SVGPathElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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public:
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// DOM memory reporter participant
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NS_DECL_SIZEOF_EXCLUDING_THIS
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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
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// nsSVGSVGElement methods:
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virtual bool HasValidDimensions() const override;
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// nsSVGPathGeometryElement methods:
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virtual bool AttributeDefinesGeometry(const nsIAtom *aName) override;
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virtual bool IsMarkable() override;
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virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks) override;
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virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
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/**
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* This returns a path without the extra little line segments that
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* ApproximateZeroLengthSubpathSquareCaps can insert if we have square-caps.
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* See the comment for that function for more info on that.
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*/
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virtual already_AddRefed<Path> GetOrBuildPathForMeasuring() override;
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// nsIContent interface
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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virtual SVGAnimatedPathSegList* GetAnimPathSegList() override {
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return &mD;
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}
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virtual nsIAtom* GetPathDataAttrName() const override {
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return nsGkAtoms::d;
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}
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enum PathLengthScaleForType {
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eForTextPath,
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eForStroking
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};
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/**
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* Gets the ratio of the actual path length to the content author's estimated
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* length (as provided by the <path> element's 'pathLength' attribute). This
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* is used to scale stroke dashing, and to scale offsets along a textPath.
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*/
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float GetPathLengthScale(PathLengthScaleForType aFor);
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// WebIDL
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already_AddRefed<SVGAnimatedNumber> PathLength();
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float GetTotalLength();
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already_AddRefed<nsISVGPoint> GetPointAtLength(float distance, ErrorResult& rv);
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uint32_t GetPathSegAtLength(float distance);
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already_AddRefed<DOMSVGPathSegClosePath> CreateSVGPathSegClosePath();
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already_AddRefed<DOMSVGPathSegMovetoAbs> CreateSVGPathSegMovetoAbs(float x, float y);
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already_AddRefed<DOMSVGPathSegMovetoRel> CreateSVGPathSegMovetoRel(float x, float y);
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already_AddRefed<DOMSVGPathSegLinetoAbs> CreateSVGPathSegLinetoAbs(float x, float y);
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already_AddRefed<DOMSVGPathSegLinetoRel> CreateSVGPathSegLinetoRel(float x, float y);
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already_AddRefed<DOMSVGPathSegCurvetoCubicAbs>
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CreateSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1, float x2, float y2);
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already_AddRefed<DOMSVGPathSegCurvetoCubicRel>
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CreateSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2);
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already_AddRefed<DOMSVGPathSegCurvetoQuadraticAbs>
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CreateSVGPathSegCurvetoQuadraticAbs(float x, float y, float x1, float y1);
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already_AddRefed<DOMSVGPathSegCurvetoQuadraticRel>
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CreateSVGPathSegCurvetoQuadraticRel(float x, float y, float x1, float y1);
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already_AddRefed<DOMSVGPathSegArcAbs>
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CreateSVGPathSegArcAbs(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
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already_AddRefed<DOMSVGPathSegArcRel>
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CreateSVGPathSegArcRel(float x, float y, float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag);
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already_AddRefed<DOMSVGPathSegLinetoHorizontalAbs> CreateSVGPathSegLinetoHorizontalAbs(float x);
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already_AddRefed<DOMSVGPathSegLinetoHorizontalRel> CreateSVGPathSegLinetoHorizontalRel(float x);
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already_AddRefed<DOMSVGPathSegLinetoVerticalAbs> CreateSVGPathSegLinetoVerticalAbs(float y);
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already_AddRefed<DOMSVGPathSegLinetoVerticalRel> CreateSVGPathSegLinetoVerticalRel(float y);
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already_AddRefed<DOMSVGPathSegCurvetoCubicSmoothAbs>
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CreateSVGPathSegCurvetoCubicSmoothAbs(float x, float y, float x2, float y2);
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already_AddRefed<DOMSVGPathSegCurvetoCubicSmoothRel>
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CreateSVGPathSegCurvetoCubicSmoothRel(float x, float y, float x2, float y2);
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already_AddRefed<DOMSVGPathSegCurvetoQuadraticSmoothAbs>
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CreateSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y);
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already_AddRefed<DOMSVGPathSegCurvetoQuadraticSmoothRel>
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CreateSVGPathSegCurvetoQuadraticSmoothRel(float x, float y);
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already_AddRefed<DOMSVGPathSegList> PathSegList();
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already_AddRefed<DOMSVGPathSegList> AnimatedPathSegList();
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protected:
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// nsSVGElement method
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virtual NumberAttributesInfo GetNumberInfo() override;
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SVGAnimatedPathSegList mD;
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nsSVGNumber2 mPathLength;
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static NumberInfo sNumberInfo;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGPathElement_h
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