зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
5.7 KiB
C++
134 строки
5.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 DOM_SVG_SVGPATHELEMENT_H_
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#define DOM_SVG_SVGPATHELEMENT_H_
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#include "mozilla/gfx/2D.h"
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#include "mozilla/RefPtr.h"
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#include "SVGAnimatedPathSegList.h"
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#include "SVGGeometryElement.h"
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#include "DOMSVGPathSeg.h"
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nsresult NS_NewSVGPathElement(
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nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla::dom {
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using SVGPathElementBase = SVGGeometryElement;
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class SVGPathElement final : public SVGPathElementBase {
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using Path = mozilla::gfx::Path;
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protected:
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friend nsresult(::NS_NewSVGPathElement(
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nsIContent** aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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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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void GetAsSimplePath(SimplePath* aSimplePath) override;
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public:
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NS_DECL_ADDSIZEOFEXCLUDINGTHIS
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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override;
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// SVGSVGElement methods:
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bool HasValidDimensions() const override;
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// SVGGeometryElement methods:
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bool AttributeDefinesGeometry(const nsAtom* aName) override;
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bool IsMarkable() override;
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void GetMarkPoints(nsTArray<SVGMark>* aMarks) override;
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/*
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* Note: This function maps d attribute to CSS d property, and we don't flush
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* style in this function because some callers don't need it, so if the caller
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* needs style to be flushed (e.g. DOM APIs), the caller should flush style
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* before calling this.
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*/
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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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* Note: This function maps d attribute to CSS d property, and we don't flush
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* style in this function because some callers don't need it, so if the caller
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* needs style to be flushed (e.g. DOM APIs), the caller should flush style
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* before calling this.
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*/
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already_AddRefed<Path> GetOrBuildPathForMeasuring() override;
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bool GetDistancesFromOriginToEndsOfVisibleSegments(
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FallibleTArray<double>* aOutput) override;
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// nsIContent interface
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nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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SVGAnimatedPathSegList* GetAnimPathSegList() override { return &mD; }
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nsStaticAtom* GetPathDataAttrName() const override { return nsGkAtoms::d; }
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// WebIDL
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MOZ_CAN_RUN_SCRIPT uint32_t GetPathSegAtLength(float distance);
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already_AddRefed<DOMSVGPathSegClosePath> CreateSVGPathSegClosePath();
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already_AddRefed<DOMSVGPathSegMovetoAbs> CreateSVGPathSegMovetoAbs(float x,
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float y);
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already_AddRefed<DOMSVGPathSegMovetoRel> CreateSVGPathSegMovetoRel(float x,
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float y);
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already_AddRefed<DOMSVGPathSegLinetoAbs> CreateSVGPathSegLinetoAbs(float x,
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float y);
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already_AddRefed<DOMSVGPathSegLinetoRel> CreateSVGPathSegLinetoRel(float x,
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float y);
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already_AddRefed<DOMSVGPathSegCurvetoCubicAbs>
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CreateSVGPathSegCurvetoCubicAbs(float x, float y, float x1, float y1,
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float x2, float y2);
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already_AddRefed<DOMSVGPathSegCurvetoCubicRel>
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CreateSVGPathSegCurvetoCubicRel(float x, float y, float x1, float y1,
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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> CreateSVGPathSegArcAbs(
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float x, float y, float r1, float r2, float angle, bool largeArcFlag,
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bool sweepFlag);
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already_AddRefed<DOMSVGPathSegArcRel> CreateSVGPathSegArcRel(
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float x, float y, float r1, float r2, float angle, bool largeArcFlag,
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bool sweepFlag);
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already_AddRefed<DOMSVGPathSegLinetoHorizontalAbs>
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CreateSVGPathSegLinetoHorizontalAbs(float x);
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already_AddRefed<DOMSVGPathSegLinetoHorizontalRel>
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CreateSVGPathSegLinetoHorizontalRel(float x);
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already_AddRefed<DOMSVGPathSegLinetoVerticalAbs>
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CreateSVGPathSegLinetoVerticalAbs(float y);
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already_AddRefed<DOMSVGPathSegLinetoVerticalRel>
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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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static bool IsDPropertyChangedViaCSS(const ComputedStyle& aNewStyle,
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const ComputedStyle& aOldStyle);
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protected:
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SVGAnimatedPathSegList mD;
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};
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} // namespace mozilla::dom
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#endif // DOM_SVG_SVGPATHELEMENT_H_
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