зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.4 KiB
C++
66 строки
2.4 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 mozilla_dom_SVGLineElement_h
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#define mozilla_dom_SVGLineElement_h
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#include "nsSVGPathGeometryElement.h"
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#include "nsSVGLength2.h"
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nsresult NS_NewSVGLineElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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namespace dom {
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typedef nsSVGPathGeometryElement SVGLineElementBase;
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class SVGLineElement final : public SVGLineElementBase
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{
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protected:
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explicit SVGLineElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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friend nsresult (::NS_NewSVGLineElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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// If the input line has length zero and linecaps aren't butt, adjust |aX2| by
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// a tiny amount to a barely-nonzero-length line that all of our draw targets
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// will render
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void MaybeAdjustForZeroLength(float aX1, float aY1, float& aX2, float aY2);
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public:
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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
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// nsSVGPathGeometryElement methods:
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virtual bool IsMarkable() override { return true; }
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virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks) override;
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virtual void GetAsSimplePath(SimplePath* aSimplePath) override;
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virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
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virtual bool GetGeometryBounds(Rect* aBounds, const StrokeOptions& aStrokeOptions,
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const Matrix& aTransform) override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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// WebIDL
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already_AddRefed<SVGAnimatedLength> X1();
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already_AddRefed<SVGAnimatedLength> Y1();
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already_AddRefed<SVGAnimatedLength> X2();
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already_AddRefed<SVGAnimatedLength> Y2();
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protected:
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virtual LengthAttributesInfo GetLengthInfo() override;
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enum { ATTR_X1, ATTR_Y1, ATTR_X2, ATTR_Y2 };
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nsSVGLength2 mLengthAttributes[4];
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static LengthInfo sLengthInfo[4];
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGLineElement_h
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