15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2002, 2003 The Karbon Developers 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) Research In Motion Limited 2010. All rights reserved. 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGPathBuilder.h" 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 27a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/Path.h" 28e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)SVGPathBuilder::SVGPathBuilder() 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_path(0) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_path); 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (closed && !m_path->isEmpty()) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->closeSubpath(); 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->moveTo(m_current); 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_path); 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint; 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->addLineTo(m_current); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_path); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (mode == RelativeCoordinates) { 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->addBezierCurveTo(m_current + point1, m_current + point2, m_current + targetPoint); 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_current += targetPoint; 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } else { 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_current = targetPoint; 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->addBezierCurveTo(point1, point2, m_current); 6102772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch } 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGPathBuilder::closePath() 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_path); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_path->closeSubpath(); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 71