1 /* 2 * Copyright (C) 2002, 2003 The Karbon Developers 3 * Copyright (C) 2006 Alexander Kellett <lypanov (at) kde.org> 4 * Copyright (C) 2006, 2007 Rob Buis <buis (at) kde.org> 5 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #include "config.h" 25 26 #if ENABLE(SVG) 27 #include "SVGPathBuilder.h" 28 29 namespace WebCore { 30 31 SVGPathBuilder::SVGPathBuilder() 32 : m_path(0) 33 { 34 } 35 36 void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode) 37 { 38 ASSERT(m_path); 39 m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; 40 if (closed && !m_path->isEmpty()) 41 m_path->closeSubpath(); 42 m_path->moveTo(m_current); 43 } 44 45 void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode) 46 { 47 ASSERT(m_path); 48 m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; 49 m_path->addLineTo(m_current); 50 } 51 52 void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode) 53 { 54 ASSERT(m_path); 55 if (mode == RelativeCoordinates) { 56 m_path->addBezierCurveTo(m_current + point1, m_current + point2, m_current + targetPoint); 57 m_current += targetPoint; 58 } else { 59 m_current = targetPoint; 60 m_path->addBezierCurveTo(point1, point2, m_current); 61 } 62 } 63 64 void SVGPathBuilder::closePath() 65 { 66 ASSERT(m_path); 67 m_path->closeSubpath(); 68 } 69 70 } 71 72 #endif // ENABLE(SVG) 73
