15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) Research In Motion Limited 2010. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGPathByteStreamSource.h" 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 24c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 26d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)SVGPathByteStreamSource::SVGPathByteStreamSource(const SVGPathByteStream* stream) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(stream); 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_streamCurrent = stream->begin(); 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_streamEnd = stream->end(); 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::hasMoreData() const 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_streamCurrent < m_streamEnd; 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseSVGSegmentType(SVGPathSegType& pathSegType) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) pathSegType = static_cast<SVGPathSegType>(readSVGSegmentType()); 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)SVGPathSegType SVGPathByteStreamSource::nextCommand(SVGPathSegType) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<SVGPathSegType>(readSVGSegmentType()); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseMoveToSegment(FloatPoint& targetPoint) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseLineToSegment(FloatPoint& targetPoint) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseLineToHorizontalSegment(float& x) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) x = readFloat(); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseLineToVerticalSegment(float& y) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) y = readFloat(); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) point1 = readFloatPoint(); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) point2 = readFloatPoint(); 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint) 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) point2 = readFloatPoint(); 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint) 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) point1 = readFloatPoint(); 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint) 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGPathByteStreamSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint) 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) rx = readFloat(); 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ry = readFloat(); 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) angle = readFloat(); 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) largeArc = readFlag(); 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) sweep = readFlag(); 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetPoint = readFloatPoint(); 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 113