2 * Copyright (C) 2006, 2007 Eric Seidel <eric@webkit.org>
4 * Redistribution and use in source and binary forms, with or without
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26 #ifndef PathTraversalState_h
27 #define PathTraversalState_h
29 #include "platform/PlatformExport.h"
30 #include "platform/geometry/FloatPoint.h"
34 class PLATFORM_EXPORT PathTraversalState {
36 enum PathTraversalAction {
38 TraversalPointAtLength,
39 TraversalSegmentAtLength,
40 TraversalNormalAngleAtLength
43 PathTraversalState(PathTraversalAction);
46 float moveTo(const FloatPoint&);
47 float lineTo(const FloatPoint&);
48 float quadraticBezierTo(const FloatPoint& newControl, const FloatPoint& newEnd);
49 float cubicBezierTo(const FloatPoint& newControl1, const FloatPoint& newControl2, const FloatPoint& newEnd);
51 void processSegment();
54 PathTraversalAction m_action;
61 unsigned m_segmentIndex;
62 float m_desiredLength;
64 // For normal calculations
65 FloatPoint m_previous;
66 float m_normalAngle; // degrees