Rework the SVGPathConsumer interface

Source/core/svg/SVGPathBuilder.cpp

 /*
  * 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"
 #include "core/svg/SVGPathBuilder.h"
 
+#include "core/svg/SVGPathSeg.h"
 #include "platform/graphics/Path.h"
 
 namespace blink {
 
-void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
+void SVGPathBuilder::emitSegment(const PathSegmentData& segment)
 {
-    ASSERT(mode == AbsoluteCoordinates);
-    if (m_closed && !m_path.isEmpty())
-        closePath();
-    m_path.moveTo(targetPoint);
-    m_closed = false;
-}
-
-void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
-{
-    ASSERT(mode == AbsoluteCoordinates);
-    m_path.addLineTo(targetPoint);
-}
-
-void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
-{
-    ASSERT(mode == AbsoluteCoordinates);
-    m_path.addBezierCurveTo(point1, point2, targetPoint);
-}
-
-void SVGPathBuilder::closePath()
-{
-    m_path.closeSubpath();
-    m_closed = true;
+    switch (segment.command) {
+    case PathSegMoveToAbs:
+        if (m_closed && !m_path.isEmpty())
+            m_path.closeSubpath();
+        m_path.moveTo(segment.targetPoint);
+        m_closed = false;
+        break;
+    case PathSegLineToAbs:
+        m_path.addLineTo(segment.targetPoint);
+        break;
+    case PathSegClosePath:
+        m_path.closeSubpath();
+        m_closed = true;
+        break;
+    case PathSegCurveToCubicAbs:
+        m_path.addBezierCurveTo(segment.point1, segment.point2, segment.targetPoint);
+        break;
+    default:
+        ASSERT_NOT_REACHED();
+    }
 }
 
 }