WebCore/svg/SVGPathParser.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGPathParser.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2002, 2003 The Karbon Developers
+ *               2006       Alexander Kellett <lypanov@kde.org>
+ *               2006, 2007 Rob Buis <buis@kde.org>
+ * Copyrigth (C) 2007, 2009 Apple, Inc.  All rights reserved.
+ * 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 SVGPathParser_h
+#define SVGPathParser_h
+
+#if ENABLE(SVG)
+#include "PlatformString.h"
+#include "SVGPathConsumer.h"
+
+namespace WebCore {
+
+class SVGPathParser {
+public:
+    SVGPathParser(SVGPathConsumer*);
+    ~SVGPathParser();
+
+    bool parsePathDataString(const String&, bool normalized = false);
+
+private:
+    bool decomposeArcToCubic(float, float, float, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag);
+    void parseClosePathSegment();
+    bool parseMoveToSegment();
+    bool parseLineToSegment();
+    bool parseLineToHorizontalSegment();
+    bool parseLineToVerticalSegment();
+    bool parseCurveToCubicSegment();
+    bool parseCurveToCubicSmoothSegment();
+    bool parseCurveToQuadraticSegment();
+    bool parseCurveToQuadraticSmoothSegment();
+    bool parseArcToSegment();
+
+    SVGPathConsumer* m_consumer;
+    PathCoordinateMode m_mode;
+    const UChar* m_ptr;
+    const UChar* m_end;
+    char m_lastCommand;
+    bool m_normalized;
+    bool m_pathClosed;
+    FloatPoint m_controlPoint;
+    FloatPoint m_currentPoint;
+    FloatPoint m_subPathPoint;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif // SVGPathParser_h