WebCore/svg/SVGPathBuilder.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGPathBuilder.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ *
+ */
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "SVGPathBuilder.h"
+
+#include "SVGPathParser.h"
+
+namespace WebCore {
+
+SVGPathBuilder::SVGPathBuilder(Path& path)
+    : m_path(path)
+{
+}
+
+bool SVGPathBuilder::build(const String& d)
+{
+    SVGPathParser parser(this);
+    return parser.parsePathDataString(d, true);
+}
+
+void SVGPathBuilder::moveTo(const FloatPoint& point, bool closed, PathCoordinateMode mode)
+{
+    m_current = mode == AbsoluteCoordinates ? point : m_current + point;
+    if (closed)
+        m_path.closeSubpath();
+    m_path.moveTo(m_current);
+}
+
+void SVGPathBuilder::lineTo(const FloatPoint& point, PathCoordinateMode mode)
+{
+    m_current = mode == AbsoluteCoordinates ? point : m_current + point;
+    m_path.addLineTo(m_current);
+}
+
+void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& point, PathCoordinateMode mode)
+{
+    if (mode == RelativeCoordinates) {
+        m_path.addBezierCurveTo(m_current + point1, m_current + point2, m_current + point);
+        m_current += point;
+    } else {
+        m_current = point;
+        m_path.addBezierCurveTo(point1, point2, m_current);
+    }    
+}
+
+void SVGPathBuilder::closePath()
+{
+    m_path.closeSubpath();
+}
+
+}
+
+#endif // ENABLE(SVG)