SVGPathByteStreamSource.h [plain text]
#pragma once
#include "FloatPoint.h"
#include "SVGPathByteStream.h"
#include "SVGPathSource.h"
namespace WebCore {
class SVGPathByteStreamSource final : public SVGPathSource {
public:
explicit SVGPathByteStreamSource(const SVGPathByteStream&);
private:
bool hasMoreData() const final;
bool moveToNextToken() final { return true; }
bool parseSVGSegmentType(SVGPathSegType&) final;
SVGPathSegType nextCommand(SVGPathSegType) final;
bool parseMoveToSegment(FloatPoint&) final;
bool parseLineToSegment(FloatPoint&) final;
bool parseLineToHorizontalSegment(float&) final;
bool parseLineToVerticalSegment(float&) final;
bool parseCurveToCubicSegment(FloatPoint&, FloatPoint&, FloatPoint&) final;
bool parseCurveToCubicSmoothSegment(FloatPoint&, FloatPoint&) final;
bool parseCurveToQuadraticSegment(FloatPoint&, FloatPoint&) final;
bool parseCurveToQuadraticSmoothSegment(FloatPoint&) final;
bool parseArcToSegment(float&, float&, float&, bool&, bool&, FloatPoint&) final;
#if COMPILER(MSVC)
#pragma warning(disable: 4701)
#endif
template<typename DataType, typename ByteType>
DataType readType()
{
ByteType data;
size_t typeSize = sizeof(ByteType);
for (size_t i = 0; i < typeSize; ++i) {
ASSERT_WITH_SECURITY_IMPLICATION(m_streamCurrent < m_streamEnd);
data.bytes[i] = *m_streamCurrent;
++m_streamCurrent;
}
return data.value;
}
bool readFlag()
{
return readType<bool, BoolByte>();
}
float readFloat()
{
return readType<float, FloatByte>();
}
unsigned short readSVGSegmentType()
{
return readType<unsigned short, UnsignedShortByte>();
}
FloatPoint readFloatPoint()
{
float x = readType<float, FloatByte>();
float y = readType<float, FloatByte>();
return FloatPoint(x, y);
}
SVGPathByteStream::DataIterator m_streamCurrent;
SVGPathByteStream::DataIterator m_streamEnd;
};
}