PathSegmentData SVGPathByteStreamSource::parseSegment()
{
ASSERT(hasMoreData());
PathSegmentData segment;
segment.command = static_cast<SVGPathSegType>(readSVGSegmentType());
switch (segment.command) {
case PathSegCurveToCubicRel:
case PathSegCurveToCubicAbs:
segment.point1 = readFloatPoint();
/* fall through */
case PathSegCurveToCubicSmoothRel:
case PathSegCurveToCubicSmoothAbs:
segment.point2 = readFloatPoint();
/* fall through */
case PathSegMoveToRel:
case PathSegMoveToAbs:
case PathSegLineToRel:
case PathSegLineToAbs:
case PathSegCurveToQuadraticSmoothRel:
case PathSegCurveToQuadraticSmoothAbs:
segment.targetPoint = readFloatPoint();
break;
case PathSegLineToHorizontalRel:
case PathSegLineToHorizontalAbs:
segment.targetPoint.setX(readFloat());
break;
case PathSegLineToVerticalRel:
case PathSegLineToVerticalAbs:
segment.targetPoint.setY(readFloat());
break;
case PathSegClosePath:
break;
case PathSegCurveToQuadraticRel:
case PathSegCurveToQuadraticAbs:
segment.point1 = readFloatPoint();
segment.targetPoint = readFloatPoint();
break;
case PathSegArcRel:
case PathSegArcAbs: {
segment.arcRadii() = readFloatPoint();
segment.setArcAngle(readFloat());
segment.arcLarge = readFlag();
segment.arcSweep = readFlag();
segment.targetPoint = readFloatPoint();
break;
}
default:
ASSERT_NOT_REACHED();
}
return segment;
}
PathSegmentData consumeInterpolableArc(const InterpolableValue& value,
SVGPathSegType segType,
PathCoordinates& coordinates) {
const InterpolableList& list = toInterpolableList(value);
bool isAbsolute = isAbsolutePathSegType(segType);
PathSegmentData segment;
segment.command = segType;
segment.targetPoint.setX(consumeInterpolableCoordinateAxis(
list.get(0), isAbsolute, coordinates.currentX));
segment.targetPoint.setY(consumeInterpolableCoordinateAxis(
list.get(1), isAbsolute, coordinates.currentY));
segment.arcRadii().setX(toInterpolableNumber(list.get(2))->value());
segment.arcRadii().setY(toInterpolableNumber(list.get(3))->value());
segment.setArcAngle(toInterpolableNumber(list.get(4))->value());
segment.arcLarge = toInterpolableBool(list.get(5))->value();
segment.arcSweep = toInterpolableBool(list.get(6))->value();
return segment;
}