| 1 | /* |
| 2 | * Copyright (C) 2002, 2003 The Karbon Developers |
| 3 | * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> |
| 4 | * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> |
| 5 | * Copyright (C) 2007, 2009, 2015 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 | #include "SVGPathBuilder.h" |
| 26 | |
| 27 | #include "Path.h" |
| 28 | |
| 29 | namespace WebCore { |
| 30 | |
| 31 | SVGPathBuilder::SVGPathBuilder(Path& path) |
| 32 | : m_path(path) |
| 33 | { |
| 34 | } |
| 35 | |
| 36 | void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode) |
| 37 | { |
| 38 | m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; |
| 39 | if (closed && !m_path.isEmpty()) |
| 40 | m_path.closeSubpath(); |
| 41 | m_path.moveTo(m_current); |
| 42 | } |
| 43 | |
| 44 | void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode) |
| 45 | { |
| 46 | m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; |
| 47 | m_path.addLineTo(m_current); |
| 48 | } |
| 49 | |
| 50 | void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode) |
| 51 | { |
| 52 | if (mode == RelativeCoordinates) { |
| 53 | m_path.addBezierCurveTo(m_current + point1, m_current + point2, m_current + targetPoint); |
| 54 | m_current += targetPoint; |
| 55 | } else { |
| 56 | m_current = targetPoint; |
| 57 | m_path.addBezierCurveTo(point1, point2, m_current); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | void SVGPathBuilder::closePath() |
| 62 | { |
| 63 | m_path.closeSubpath(); |
| 64 | } |
| 65 | |
| 66 | } |
| 67 | |