63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* 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/SVGPolylineElement.h"
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#include "mozilla/dom/SVGAnimatedLength.h"
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#include "mozilla/dom/SVGPolylineElementBinding.h"
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#include "mozilla/gfx/2D.h"
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using namespace mozilla::gfx;
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NS_IMPL_NS_NEW_SVG_ELEMENT(Polyline)
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namespace mozilla::dom {
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JSObject* SVGPolylineElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return SVGPolylineElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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//----------------------------------------------------------------------
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// Implementation
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SVGPolylineElement::SVGPolylineElement(
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already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo)
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: SVGPolylineElementBase(std::move(aNodeInfo)) {}
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//----------------------------------------------------------------------
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// nsINode methods
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NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGPolylineElement)
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//----------------------------------------------------------------------
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// SVGGeometryElement methods
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already_AddRefed<Path> SVGPolylineElement::BuildPath(PathBuilder* aBuilder) {
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const SVGPointList& points = mPoints.GetAnimValue();
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if (points.IsEmpty()) {
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return nullptr;
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}
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float zoom = UserSpaceMetrics::GetZoom(this);
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Point zoomedPoint = Point(points[0]) * zoom;
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if (!zoomedPoint.IsFinite()) {
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return nullptr;
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}
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aBuilder->MoveTo(zoomedPoint);
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for (uint32_t i = 1; i < points.Length(); ++i) {
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zoomedPoint = Point(points[i]) * zoom;
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if (!zoomedPoint.IsFinite()) {
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return nullptr;
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}
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aBuilder->LineTo(zoomedPoint);
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}
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return aBuilder->Finish();
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}
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} // namespace mozilla::dom
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