webkitgtk-2.10.2webkitgtk-2.10.2

1 files changed, 95 insertions, 0 deletions

diff --git a/Source/WebCore/svg/SVGPathByteStreamBuilder.h b/Source/WebCore/svg/SVGPathByteStreamBuilder.h
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+++ b/Source/WebCore/svg/SVGPathByteStreamBuilder.h
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+/*
+ * 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
+
+#include "FloatPoint.h"
+#include "SVGPathByteStream.h"
+#include "SVGPathConsumer.h"
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+class SVGPathByteStreamBuilder : public SVGPathConsumer {
+public:
+    SVGPathByteStreamBuilder();
+
+    void setCurrentByteStream(SVGPathByteStream* byteStream) { m_byteStream = byteStream; }
+
+private:
+    virtual void incrementPathSegmentCount() override { }
+    virtual bool continueConsuming() override { return true; }
+    virtual void cleanup() override { m_byteStream = nullptr; }
+
+    // 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