/* 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