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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/SVGPathSegment.h"
#include "SVGPathSegUtils.h"
#include "mozilla/dom/SVGPathElementBinding.h"
namespace mozilla::dom {
JSObject* SVGPathSegment::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return SVGPathSegment_Binding::Wrap(aCx, this, aGivenProto);
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SVGPathSegment, mSVGPathElement)
//----------------------------------------------------------------------
// Implementation
void SVGPathSegment::AppendEndPoint(const StyleEndPoint<StyleCSSFloat>& point) {
if (point.IsToPosition()) {
const auto& pos = point.AsToPosition();
mValues.AppendElement(pos.horizontal);
mValues.AppendElement(pos.vertical);
} else if (point.IsByCoordinate()) {
const auto& coord = point.AsByCoordinate();
mValues.AppendElement(coord.x);
mValues.AppendElement(coord.y);
}
}
void SVGPathSegment::AppendControlPoint(
const StyleCurveControlPoint<StyleCSSFloat>& point) {
if (point.IsAbsolute()) {
const auto& pos = point.AsAbsolute();
mValues.AppendElement(pos.horizontal);
mValues.AppendElement(pos.vertical);
} else if (point.IsRelative()) {
const auto& rel_point = point.AsRelative();
mValues.AppendElement(rel_point.coord.x);
mValues.AppendElement(rel_point.coord.y);
}
}
SVGPathSegment::SVGPathSegment(SVGPathElement* aSVGPathElement,
const StylePathCommand& aCommand)
: mSVGPathElement(aSVGPathElement) {
switch (aCommand.tag) {
case StylePathCommand::Tag::Close:
mCommand.AssignLiteral("Z");
break;
case StylePathCommand::Tag::Move:
mCommand.AssignLiteral(aCommand.move.point.IsToPosition() ? "M" : "m");
AppendEndPoint(aCommand.move.point);
break;
case StylePathCommand::Tag::Line:
mCommand.AssignLiteral(aCommand.line.point.IsToPosition() ? "L" : "l");
AppendEndPoint(aCommand.line.point);
break;
case StylePathCommand::Tag::CubicCurve:
mCommand.AssignLiteral(aCommand.cubic_curve.point.IsToPosition() ? "C"
: "c");
AppendControlPoint(aCommand.cubic_curve.control1);
AppendControlPoint(aCommand.cubic_curve.control2);
AppendEndPoint(aCommand.cubic_curve.point);
break;
case StylePathCommand::Tag::QuadCurve:
mCommand.AssignLiteral(aCommand.quad_curve.point.IsToPosition() ? "Q"
: "q");
AppendControlPoint(aCommand.quad_curve.control1);
AppendEndPoint(aCommand.quad_curve.point);
break;
case StylePathCommand::Tag::Arc: {
mCommand.AssignLiteral(aCommand.arc.point.IsToPosition() ? "A" : "a");
const auto r = aCommand.arc.radii.ToGfxPoint();
mValues.AppendElement(r.x);
mValues.AppendElement(r.y);
mValues.AppendElement(aCommand.arc.rotate);
mValues.AppendElement(aCommand.arc.arc_size == StyleArcSize::Large);
mValues.AppendElement(aCommand.arc.arc_sweep == StyleArcSweep::Cw);
AppendEndPoint(aCommand.arc.point);
break;
}
case StylePathCommand::Tag::HLine:
mCommand.AssignLiteral(aCommand.h_line.x.IsToPosition() ? "H" : "h");
mValues.AppendElement(aCommand.h_line.x.ToGfxCoord());
break;
case StylePathCommand::Tag::VLine:
mCommand.AssignLiteral(aCommand.v_line.y.IsToPosition() ? "V" : "v");
mValues.AppendElement(aCommand.v_line.y.ToGfxCoord());
break;
case StylePathCommand::Tag::SmoothCubic:
mCommand.AssignLiteral(aCommand.smooth_cubic.point.IsToPosition() ? "S"
: "s");
AppendControlPoint(aCommand.smooth_cubic.control2);
AppendEndPoint(aCommand.smooth_cubic.point);
break;
case StylePathCommand::Tag::SmoothQuad:
mCommand.AssignLiteral(aCommand.smooth_quad.point.IsToPosition() ? "T"
: "t");
AppendEndPoint(aCommand.smooth_quad.point);
break;
}
}
void SVGPathSegment::GetType(DOMString& aType) {
aType.SetKnownLiveString(mCommand);
}
void SVGPathSegment::SetType(const nsAString& aType) { mCommand = aType; }
void SVGPathSegment::GetValues(nsTArray<float>& aValues) {
aValues = mValues.Clone();
}
void SVGPathSegment::SetValues(const nsTArray<float>& aValues) {
mValues = aValues.Clone();
}
} // namespace mozilla::dom