зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
3.4 KiB
C++
131 строка
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "mozilla/dom/SVGLineElement.h"
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#include "mozilla/dom/SVGLineElementBinding.h"
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#include "mozilla/gfx/2D.h"
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NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(Line)
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using namespace mozilla::gfx;
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namespace mozilla {
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namespace dom {
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JSObject*
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SVGLineElement::WrapNode(JSContext *aCx)
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{
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return SVGLineElementBinding::Wrap(aCx, this);
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}
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nsSVGElement::LengthInfo SVGLineElement::sLengthInfo[4] =
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{
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{ &nsGkAtoms::x1, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
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{ &nsGkAtoms::y1, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
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{ &nsGkAtoms::x2, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::X },
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{ &nsGkAtoms::y2, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::Y },
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};
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//----------------------------------------------------------------------
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// Implementation
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SVGLineElement::SVGLineElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: SVGLineElementBase(aNodeInfo)
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{
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}
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//----------------------------------------------------------------------
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// nsIDOMNode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGLineElement)
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//----------------------------------------------------------------------
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already_AddRefed<SVGAnimatedLength>
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SVGLineElement::X1()
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{
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return mLengthAttributes[ATTR_X1].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGLineElement::Y1()
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{
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return mLengthAttributes[ATTR_Y1].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGLineElement::X2()
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{
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return mLengthAttributes[ATTR_X2].ToDOMAnimatedLength(this);
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}
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already_AddRefed<SVGAnimatedLength>
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SVGLineElement::Y2()
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{
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return mLengthAttributes[ATTR_Y2].ToDOMAnimatedLength(this);
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}
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//----------------------------------------------------------------------
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// nsIContent methods
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NS_IMETHODIMP_(bool)
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SVGLineElement::IsAttributeMapped(const nsIAtom* name) const
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{
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static const MappedAttributeEntry* const map[] = {
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sMarkersMap
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};
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return FindAttributeDependence(name, map) ||
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SVGLineElementBase::IsAttributeMapped(name);
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}
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//----------------------------------------------------------------------
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// nsSVGElement methods
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nsSVGElement::LengthAttributesInfo
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SVGLineElement::GetLengthInfo()
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{
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return LengthAttributesInfo(mLengthAttributes, sLengthInfo,
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ArrayLength(sLengthInfo));
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}
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//----------------------------------------------------------------------
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// nsSVGPathGeometryElement methods
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void
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SVGLineElement::GetMarkPoints(nsTArray<nsSVGMark> *aMarks) {
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float x1, y1, x2, y2;
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GetAnimatedLengthValues(&x1, &y1, &x2, &y2, nullptr);
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float angle = atan2(y2 - y1, x2 - x1);
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aMarks->AppendElement(nsSVGMark(x1, y1, angle, nsSVGMark::eStart));
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aMarks->AppendElement(nsSVGMark(x2, y2, angle, nsSVGMark::eEnd));
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}
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void
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SVGLineElement::GetAsSimplePath(SimplePath* aSimplePath)
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{
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float x1, y1, x2, y2;
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GetAnimatedLengthValues(&x1, &y1, &x2, &y2, nullptr);
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aSimplePath->SetLine(x1, y1, x2, y2);
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}
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TemporaryRef<Path>
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SVGLineElement::BuildPath(PathBuilder* aBuilder)
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{
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float x1, y1, x2, y2;
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GetAnimatedLengthValues(&x1, &y1, &x2, &y2, nullptr);
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aBuilder->MoveTo(Point(x1, y1));
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aBuilder->LineTo(Point(x2, y2));
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return aBuilder->Finish();
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}
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} // namespace dom
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} // namespace mozilla
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