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/*
* Copyright (C) 2023 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. ``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
* 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 "PathSegment.h"
#include "PathElement.h"
#include "PathImpl.h"
#include <wtf/text/TextStream.h>
namespace WebCore {
FloatPoint PathSegment::calculateEndPoint(const FloatPoint& currentPoint, FloatPoint& lastMoveToPoint) const
{
return WTF::switchOn(m_data, [&](auto& data) {
return data.calculateEndPoint(currentPoint, lastMoveToPoint);
});
}
std::optional<FloatPoint> PathSegment::tryGetEndPointWithoutContext() const
{
return WTF::switchOn(m_data, [&](auto& data) {
return data.tryGetEndPointWithoutContext();
});
}
FloatRect PathSegment::fastBoundingRect() const
{
FloatPoint currentPoint;
FloatPoint lastMoveToPoint;
auto boundingRect = FloatRect::smallestRect();
extendFastBoundingRect(currentPoint, lastMoveToPoint, boundingRect);
if (boundingRect.isSmallest()) {
currentPoint = calculateEndPoint(currentPoint, lastMoveToPoint);
boundingRect.extend(currentPoint);
}
return boundingRect;
}
void PathSegment::extendFastBoundingRect(const FloatPoint& currentPoint, const FloatPoint& lastMoveToPoint, FloatRect& boundingRect) const
{
WTF::switchOn(m_data, [&](auto& data) {
data.extendFastBoundingRect(currentPoint, lastMoveToPoint, boundingRect);
});
}
void PathSegment::extendBoundingRect(const FloatPoint& currentPoint, const FloatPoint& lastMoveToPoint, FloatRect& boundingRect) const
{
WTF::switchOn(m_data, [&](auto& data) {
data.extendBoundingRect(currentPoint, lastMoveToPoint, boundingRect);
});
}
bool PathSegment::canApplyElements() const
{
return WTF::switchOn(m_data, [&](auto& data) {
return data.canApplyElements;
});
}
bool PathSegment::applyElements(const PathElementApplier& applier) const
{
return WTF::switchOn(m_data, [&]<typename DataType>(DataType& data) -> bool {
if constexpr (DataType::canApplyElements) {
data.applyElements(applier);
return true;
}
return false;
});
}
bool PathSegment::canTransform() const
{
return WTF::switchOn(m_data, [&](auto& data) {
return data.canTransform;
});
}
bool PathSegment::transform(const AffineTransform& transform)
{
return WTF::switchOn(m_data, [&]<typename DataType>(DataType& data) {
if constexpr (DataType::canTransform) {
data.transform(transform);
return true;
}
return false;
});
}
TextStream& operator<<(TextStream& ts, const PathSegment& segment)
{
return WTF::switchOn(segment.data(), [&](auto& data) -> TextStream& {
return ts << data;
});
}
} // namespace WebCore
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