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Diffstat (limited to 'Source/WebCore/svg/SVGPathByteStreamBuilder.h')
-rw-r--r-- | Source/WebCore/svg/SVGPathByteStreamBuilder.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGPathByteStreamBuilder.h b/Source/WebCore/svg/SVGPathByteStreamBuilder.h new file mode 100644 index 0000000..55803aa --- /dev/null +++ b/Source/WebCore/svg/SVGPathByteStreamBuilder.h @@ -0,0 +1,98 @@ +/* + * Copyright (C) Research In Motion Limited 2010. 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 + +#if ENABLE(SVG) +#include "FloatPoint.h" +#include "PlatformString.h" +#include "SVGPathByteStream.h" +#include "SVGPathConsumer.h" +#include <wtf/PassOwnPtr.h> + +namespace WebCore { + +class SVGPathByteStreamBuilder : public SVGPathConsumer { +public: + SVGPathByteStreamBuilder(); + + void setCurrentByteStream(SVGPathByteStream* byteStream) { m_byteStream = byteStream; } + +private: + virtual void incrementPathSegmentCount() { } + virtual bool continueConsuming() { return true; } + virtual void cleanup() { m_byteStream = 0; } + + // Used in UnalteredParsing/NormalizedParsing modes. + virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode); + virtual void lineTo(const FloatPoint&, PathCoordinateMode); + virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode); + virtual void closePath(); + + // Only used in UnalteredParsing mode. + virtual void lineToHorizontal(float, PathCoordinateMode); + virtual void lineToVertical(float, PathCoordinateMode); + virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode); + virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode); + virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode); + virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode); + + 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 // ENABLE(SVG) +#endif // SVGPathByteStreamBuilder_h |