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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SVGPathAbsoluteConverter.h"
namespace WebCore {
SVGPathAbsoluteConverter::SVGPathAbsoluteConverter(SVGPathConsumer& consumer)
: SVGPathConsumer()
, m_consumer(consumer)
{
}
void SVGPathAbsoluteConverter::incrementPathSegmentCount()
{
m_consumer.incrementPathSegmentCount();
}
bool SVGPathAbsoluteConverter::continueConsuming()
{
return m_consumer.continueConsuming();
}
void SVGPathAbsoluteConverter::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.moveTo(targetPoint, closed, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.moveTo(m_currentPoint + targetPoint, closed, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
m_subpathPoint = m_currentPoint;
}
void SVGPathAbsoluteConverter::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.lineTo(targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.lineTo(m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
void SVGPathAbsoluteConverter::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.curveToCubic(point1, point2, targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.curveToCubic(m_currentPoint + point1, m_currentPoint + point2, m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
void SVGPathAbsoluteConverter::closePath()
{
m_consumer.closePath();
m_currentPoint = m_subpathPoint;
}
void SVGPathAbsoluteConverter::lineToHorizontal(float targetX, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.lineToHorizontal(targetX, AbsoluteCoordinates);
m_currentPoint.setX(targetX);
} else {
auto absoluteTargetX = m_currentPoint.x() + targetX;
m_consumer.lineToHorizontal(absoluteTargetX, AbsoluteCoordinates);
m_currentPoint.setX(absoluteTargetX);
}
}
void SVGPathAbsoluteConverter::lineToVertical(float targetY, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.lineToVertical(targetY, AbsoluteCoordinates);
m_currentPoint.setY(targetY);
} else {
auto absoluteTargetY = m_currentPoint.y() + targetY;
m_consumer.lineToVertical(absoluteTargetY, AbsoluteCoordinates);
m_currentPoint.setY(absoluteTargetY);
}
}
void SVGPathAbsoluteConverter::curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.curveToCubicSmooth(point2, targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.curveToCubicSmooth(m_currentPoint + point2, m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
void SVGPathAbsoluteConverter::curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.curveToQuadratic(point1, targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.curveToQuadratic(m_currentPoint + point1, m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
void SVGPathAbsoluteConverter::curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.curveToQuadraticSmooth(targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.curveToQuadraticSmooth(m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
void SVGPathAbsoluteConverter::arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode mode)
{
if (mode == AbsoluteCoordinates) {
m_consumer.arcTo(r1, r2, angle, largeArcFlag, sweepFlag, targetPoint, AbsoluteCoordinates);
m_currentPoint = targetPoint;
} else {
m_consumer.arcTo(r1, r2, angle, largeArcFlag, sweepFlag, m_currentPoint + targetPoint, AbsoluteCoordinates);
m_currentPoint += targetPoint;
}
}
} // namespace WebCore
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