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Diffstat (limited to '')
| -rw-r--r-- | dom/svg/SVGPathElement.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/dom/svg/SVGPathElement.h b/dom/svg/SVGPathElement.h new file mode 100644 index 0000000000..362ba1bfcc --- /dev/null +++ b/dom/svg/SVGPathElement.h @@ -0,0 +1,135 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 DOM_SVG_SVGPATHELEMENT_H_ +#define DOM_SVG_SVGPATHELEMENT_H_ + +#include "mozilla/gfx/2D.h" +#include "mozilla/RefPtr.h" +#include "SVGAnimatedPathSegList.h" +#include "SVGGeometryElement.h" +#include "DOMSVGPathSeg.h" + +nsresult NS_NewSVGPathElement( + nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); + +namespace mozilla::dom { + +using SVGPathElementBase = SVGGeometryElement; + +class SVGPathElement final : public SVGPathElementBase { + using Path = mozilla::gfx::Path; + + protected: + friend nsresult(::NS_NewSVGPathElement( + nsIContent** aResult, + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)); + JSObject* WrapNode(JSContext* cx, JS::Handle<JSObject*> aGivenProto) override; + explicit SVGPathElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); + + void GetAsSimplePath(SimplePath* aSimplePath) override; + + public: + NS_DECL_ADDSIZEOFEXCLUDINGTHIS + + // nsIContent interface + NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override; + + // SVGSVGElement methods: + bool HasValidDimensions() const override; + + // SVGGeometryElement methods: + bool AttributeDefinesGeometry(const nsAtom* aName) override; + bool IsMarkable() override; + void GetMarkPoints(nsTArray<SVGMark>* aMarks) override; + /* + * Note: This function maps d attribute to CSS d property, and we don't flush + * style in this function because some callers don't need it, so if the caller + * needs style to be flushed (e.g. DOM APIs), the caller should flush style + * before calling this. + */ + 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. + * + * Note: This function maps d attribute to CSS d property, and we don't flush + * style in this function because some callers don't need it, so if the caller + * needs style to be flushed (e.g. DOM APIs), the caller should flush style + * before calling this. + */ + already_AddRefed<Path> GetOrBuildPathForMeasuring() override; + + bool GetDistancesFromOriginToEndsOfVisibleSegments( + FallibleTArray<double>* aOutput) override; + + bool IsClosedLoop() const override; + + // nsIContent interface + nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override; + + SVGAnimatedPathSegList* GetAnimPathSegList() override { return &mD; } + + nsStaticAtom* GetPathDataAttrName() const override { return nsGkAtoms::d; } + + // WebIDL + MOZ_CAN_RUN_SCRIPT 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(); + + static bool IsDPropertyChangedViaCSS(const ComputedStyle& aNewStyle, + const ComputedStyle& aOldStyle); + + protected: + SVGAnimatedPathSegList mD; +}; + +} // namespace mozilla::dom + +#endif // DOM_SVG_SVGPATHELEMENT_H_ |