Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 72 insertions, 0 deletions

diff --git a/Source/WebCore/svg/SVGPathBuilder.cpp b/Source/WebCore/svg/SVGPathBuilder.cpp
new file mode 100644
index 000000000..6687edfb1
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+++ b/Source/WebCore/svg/SVGPathBuilder.cpp
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+/*
+ * Copyright (C) 2002, 2003 The Karbon Developers
+ * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
+ * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
+ * Copyright (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"
+
+namespace WebCore {
+
+SVGPathBuilder::SVGPathBuilder()
+    : m_path(0)
+{
+}
+
+void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode)
+{
+    ASSERT(m_path);
+    m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint;
+    if (closed && !m_path->isEmpty())
+        m_path->closeSubpath();
+    m_path->moveTo(m_current);
+}
+
+void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
+{
+    ASSERT(m_path);
+    m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint;
+    m_path->addLineTo(m_current);
+}
+
+void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
+{
+    ASSERT(m_path);
+    if (mode == RelativeCoordinates) {
+        m_path->addBezierCurveTo(m_current + point1, m_current + point2, m_current + targetPoint);
+        m_current += targetPoint;
+    } else {
+        m_current = targetPoint;
+        m_path->addBezierCurveTo(point1, point2, m_current);
+    }    
+}
+
+void SVGPathBuilder::closePath()
+{
+    ASSERT(m_path);
+    m_path->closeSubpath();
+}
+
+}
+
+#endif // ENABLE(SVG)