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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGPathByteStreamBuilder_h
#define SVGPathByteStreamBuilder_h
#include "FloatPoint.h"
#include "SVGPathByteStream.h"
#include "SVGPathConsumer.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
class SVGPathByteStreamBuilder : public SVGPathConsumer {
public:
SVGPathByteStreamBuilder(SVGPathByteStream&);
private:
virtual void incrementPathSegmentCount() override { }
virtual bool continueConsuming() override { return true; }
// Used in UnalteredParsing/NormalizedParsing modes.
virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) override;
virtual void lineTo(const FloatPoint&, PathCoordinateMode) override;
virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void closePath() override;
// Only used in UnalteredParsing mode.
virtual void lineToHorizontal(float, PathCoordinateMode) override;
virtual void lineToVertical(float, PathCoordinateMode) override;
virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) override;
virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode) override;
template<typename ByteType>
void writeType(const ByteType& type)
{
size_t typeSize = sizeof(ByteType);
for (size_t i = 0; i < typeSize; ++i)
m_byteStream.append(type.bytes[i]);
}
void writeFlag(bool value)
{
BoolByte data;
data.value = value;
writeType(data);
}
void writeFloat(float value)
{
FloatByte data;
data.value = value;
writeType(data);
}
void writeFloatPoint(const FloatPoint& point)
{
writeFloat(point.x());
writeFloat(point.y());
}
void writeSegmentType(unsigned short value)
{
UnsignedShortByte data;
data.value = value;
writeType(data);
}
SVGPathByteStream& m_byteStream;
};
} // namespace WebCore
#endif // SVGPathByteStreamBuilder_h
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