1/* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21 22#include "core/svg/SVGPathSegListSource.h" 23 24#include "core/svg/SVGPathSegArc.h" 25#include "core/svg/SVGPathSegCurvetoCubic.h" 26#include "core/svg/SVGPathSegCurvetoCubicSmooth.h" 27#include "core/svg/SVGPathSegCurvetoQuadratic.h" 28#include "core/svg/SVGPathSegLinetoHorizontal.h" 29#include "core/svg/SVGPathSegLinetoVertical.h" 30 31namespace WebCore { 32 33SVGPathSegListSource::SVGPathSegListSource(const SVGPathSegList& pathSegList) 34 : m_pathSegList(pathSegList) 35{ 36 m_itemCurrent = 0; 37 m_itemEnd = m_pathSegList.size(); 38} 39 40bool SVGPathSegListSource::hasMoreData() const 41{ 42 return m_itemCurrent < m_itemEnd; 43} 44 45bool SVGPathSegListSource::parseSVGSegmentType(SVGPathSegType& pathSegType) 46{ 47 m_segment = m_pathSegList.at(m_itemCurrent); 48 pathSegType = static_cast<SVGPathSegType>(m_segment->pathSegType()); 49 ++m_itemCurrent; 50 return true; 51} 52 53SVGPathSegType SVGPathSegListSource::nextCommand(SVGPathSegType) 54{ 55 m_segment = m_pathSegList.at(m_itemCurrent); 56 SVGPathSegType pathSegType = static_cast<SVGPathSegType>(m_segment->pathSegType()); 57 ++m_itemCurrent; 58 return pathSegType; 59} 60 61bool SVGPathSegListSource::parseMoveToSegment(FloatPoint& targetPoint) 62{ 63 ASSERT(m_segment); 64 ASSERT(m_segment->pathSegType() == PathSegMoveToAbs || m_segment->pathSegType() == PathSegMoveToRel); 65 SVGPathSegSingleCoordinate* moveTo = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get()); 66 targetPoint = FloatPoint(moveTo->x(), moveTo->y()); 67 return true; 68} 69 70bool SVGPathSegListSource::parseLineToSegment(FloatPoint& targetPoint) 71{ 72 ASSERT(m_segment); 73 ASSERT(m_segment->pathSegType() == PathSegLineToAbs || m_segment->pathSegType() == PathSegLineToRel); 74 SVGPathSegSingleCoordinate* lineTo = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get()); 75 targetPoint = FloatPoint(lineTo->x(), lineTo->y()); 76 return true; 77} 78 79bool SVGPathSegListSource::parseLineToHorizontalSegment(float& x) 80{ 81 ASSERT(m_segment); 82 ASSERT(m_segment->pathSegType() == PathSegLineToHorizontalAbs || m_segment->pathSegType() == PathSegLineToHorizontalRel); 83 SVGPathSegLinetoHorizontal* horizontal = static_cast<SVGPathSegLinetoHorizontal*>(m_segment.get()); 84 x = horizontal->x(); 85 return true; 86} 87 88bool SVGPathSegListSource::parseLineToVerticalSegment(float& y) 89{ 90 ASSERT(m_segment); 91 ASSERT(m_segment->pathSegType() == PathSegLineToVerticalAbs || m_segment->pathSegType() == PathSegLineToVerticalRel); 92 SVGPathSegLinetoVertical* vertical = static_cast<SVGPathSegLinetoVertical*>(m_segment.get()); 93 y = vertical->y(); 94 return true; 95} 96 97bool SVGPathSegListSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint) 98{ 99 ASSERT(m_segment); 100 ASSERT(m_segment->pathSegType() == PathSegCurveToCubicAbs || m_segment->pathSegType() == PathSegCurveToCubicRel); 101 SVGPathSegCurvetoCubic* cubic = static_cast<SVGPathSegCurvetoCubic*>(m_segment.get()); 102 point1 = FloatPoint(cubic->x1(), cubic->y1()); 103 point2 = FloatPoint(cubic->x2(), cubic->y2()); 104 targetPoint = FloatPoint(cubic->x(), cubic->y()); 105 return true; 106} 107 108bool SVGPathSegListSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint) 109{ 110 ASSERT(m_segment); 111 ASSERT(m_segment->pathSegType() == PathSegCurveToCubicSmoothAbs || m_segment->pathSegType() == PathSegCurveToCubicSmoothRel); 112 SVGPathSegCurvetoCubicSmooth* cubicSmooth = static_cast<SVGPathSegCurvetoCubicSmooth*>(m_segment.get()); 113 point2 = FloatPoint(cubicSmooth->x2(), cubicSmooth->y2()); 114 targetPoint = FloatPoint(cubicSmooth->x(), cubicSmooth->y()); 115 return true; 116} 117 118bool SVGPathSegListSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint) 119{ 120 ASSERT(m_segment); 121 ASSERT(m_segment->pathSegType() == PathSegCurveToQuadraticAbs || m_segment->pathSegType() == PathSegCurveToQuadraticRel); 122 SVGPathSegCurvetoQuadratic* quadratic = static_cast<SVGPathSegCurvetoQuadratic*>(m_segment.get()); 123 point1 = FloatPoint(quadratic->x1(), quadratic->y1()); 124 targetPoint = FloatPoint(quadratic->x(), quadratic->y()); 125 return true; 126} 127 128bool SVGPathSegListSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint) 129{ 130 ASSERT(m_segment); 131 ASSERT(m_segment->pathSegType() == PathSegCurveToQuadraticSmoothAbs || m_segment->pathSegType() == PathSegCurveToQuadraticSmoothRel); 132 SVGPathSegSingleCoordinate* quadraticSmooth = static_cast<SVGPathSegSingleCoordinate*>(m_segment.get()); 133 targetPoint = FloatPoint(quadraticSmooth->x(), quadraticSmooth->y()); 134 return true; 135} 136 137bool SVGPathSegListSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint) 138{ 139 ASSERT(m_segment); 140 ASSERT(m_segment->pathSegType() == PathSegArcAbs || m_segment->pathSegType() == PathSegArcRel); 141 SVGPathSegArc* arcTo = static_cast<SVGPathSegArc*>(m_segment.get()); 142 rx = arcTo->r1(); 143 ry = arcTo->r2(); 144 angle = arcTo->angle(); 145 largeArc = arcTo->largeArcFlag(); 146 sweep = arcTo->sweepFlag(); 147 targetPoint = FloatPoint(arcTo->x(), arcTo->y()); 148 return true; 149} 150 151} 152