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