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| 1 /* | |
| 2 * Copyright (C) 2006, 2007 Eric Seidel <eric@webkit.org> | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef PathTraversalState_h | |
| 27 #define PathTraversalState_h | |
| 28 | |
| 29 #include "platform/geometry/FloatPoint.h" | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 class PathTraversalState { | |
| 34 public: | |
| 35 enum PathTraversalAction { | |
| 36 TraversalTotalLength, | |
| 37 TraversalPointAtLength, | |
| 38 TraversalSegmentAtLength, | |
| 39 TraversalNormalAngleAtLength | |
| 40 }; | |
| 41 | |
| 42 PathTraversalState(PathTraversalAction); | |
| 43 | |
| 44 float closeSubpath(); | |
| 45 float moveTo(const FloatPoint&); | |
| 46 float lineTo(const FloatPoint&); | |
| 47 float quadraticBezierTo(const FloatPoint& newControl, const FloatPoint& newE
nd); | |
| 48 float cubicBezierTo(const FloatPoint& newControl1, const FloatPoint& newCont
rol2, const FloatPoint& newEnd); | |
| 49 | |
| 50 void processSegment(); | |
| 51 | |
| 52 public: | |
| 53 PathTraversalAction m_action; | |
| 54 bool m_success; | |
| 55 | |
| 56 FloatPoint m_current; | |
| 57 FloatPoint m_start; | |
| 58 FloatPoint m_control1; | |
| 59 FloatPoint m_control2; | |
| 60 | |
| 61 float m_totalLength; | |
| 62 unsigned m_segmentIndex; | |
| 63 float m_desiredLength; | |
| 64 | |
| 65 // For normal calculations | |
| 66 FloatPoint m_previous; | |
| 67 float m_normalAngle; // degrees | |
| 68 }; | |
| 69 } | |
| 70 | |
| 71 #endif | |
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Chromium Code Reviews
Issue 27123003:
Move PathTraversalState.cpp/.h to platform/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk