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 #ifndef SVGPathSource_h 21 #define SVGPathSource_h 22 23 #include "core/svg/SVGPathSeg.h" 24 25 namespace blink { 26 27 class FloatPoint; 28 29 class SVGPathSource { 30 WTF_MAKE_NONCOPYABLE(SVGPathSource); WTF_MAKE_FAST_ALLOCATED; 31 public: 32 SVGPathSource() { } 33 virtual ~SVGPathSource() { } 34 35 virtual bool hasMoreData() const = 0; 36 virtual bool moveToNextToken() = 0; 37 virtual bool parseSVGSegmentType(SVGPathSegType&) = 0; 38 virtual SVGPathSegType nextCommand(SVGPathSegType previousCommand) = 0; 39 40 virtual bool parseMoveToSegment(FloatPoint&) = 0; 41 virtual bool parseLineToSegment(FloatPoint&) = 0; 42 virtual bool parseLineToHorizontalSegment(float&) = 0; 43 virtual bool parseLineToVerticalSegment(float&) = 0; 44 virtual bool parseCurveToCubicSegment(FloatPoint&, FloatPoint&, FloatPoint&) = 0; 45 virtual bool parseCurveToCubicSmoothSegment(FloatPoint&, FloatPoint&) = 0; 46 virtual bool parseCurveToQuadraticSegment(FloatPoint&, FloatPoint&) = 0; 47 virtual bool parseCurveToQuadraticSmoothSegment(FloatPoint&) = 0; 48 virtual bool parseArcToSegment(float&, float&, float&, bool&, bool&, FloatPoint&) = 0; 49 }; 50 51 } // namespace blink 52 53 #endif // SVGPathSource_h 54
