зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.4 KiB
C++
68 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 DOM_SVG_SVGLINEELEMENT_H_
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#define DOM_SVG_SVGLINEELEMENT_H_
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#include "SVGAnimatedLength.h"
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#include "SVGGeometryElement.h"
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nsresult NS_NewSVGLineElement(
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nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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namespace dom {
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using SVGLineElementBase = SVGGeometryElement;
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class SVGLineElement final : public SVGLineElementBase {
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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,
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JS::Handle<JSObject*> aGivenProto) override;
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friend nsresult(::NS_NewSVGLineElement(
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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 nsAtom* name) const override;
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// SVGGeometryElement methods:
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virtual bool IsMarkable() override { return true; }
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virtual void GetMarkPoints(nsTArray<SVGMark>* 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(
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Rect* aBounds, const StrokeOptions& aStrokeOptions,
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const Matrix& aToBoundsSpace,
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const Matrix* aToNonScalingStrokeSpace = nullptr) override;
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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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// WebIDL
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already_AddRefed<DOMSVGAnimatedLength> X1();
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already_AddRefed<DOMSVGAnimatedLength> Y1();
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already_AddRefed<DOMSVGAnimatedLength> X2();
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already_AddRefed<DOMSVGAnimatedLength> 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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SVGAnimatedLength 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 // DOM_SVG_SVGLINEELEMENT_H_
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