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PathTraversalState.h
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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 "FloatPoint.h"
30#include <wtf/Vector.h>
31
32namespace khtml {
33 class Path;
34}
35
36namespace WebCore {
37 typedef khtml::Path Path;
38
39 class PathTraversalState {
40 public:
41 enum PathTraversalAction {
42 TraversalTotalLength,
43 TraversalPointAtLength,
44 TraversalSegmentAtLength,
45 TraversalNormalAngleAtLength
46 };
47
48 PathTraversalState(PathTraversalAction);
49
50 float closeSubpath();
51 float moveTo(const FloatPoint&);
52 float lineTo(const FloatPoint&);
53 float quadraticBezierTo(const FloatPoint& newControl, const FloatPoint& newEnd);
54 float cubicBezierTo(const FloatPoint& newControl1, const FloatPoint& newControl2, const FloatPoint& newEnd);
55
56 public:
57 PathTraversalAction m_action;
58 bool m_success;
59
60 FloatPoint m_current;
61 FloatPoint m_start;
62 FloatPoint m_control1;
63 FloatPoint m_control2;
64
65 float m_totalLength;
66 unsigned m_segmentIndex;
67 float m_desiredLength;
68
69 // For normal calculations
70 FloatPoint m_previous;
71 float m_normalAngle; // degrees
72 };
73}
74
75#endif
FloatPoint.h
WebCore::FloatPoint
Definition: FloatPoint.h:61
WebCore::PathTraversalState
Definition: PathTraversalState.h:39
WebCore::PathTraversalState::m_success
bool m_success
Definition: PathTraversalState.h:58
WebCore::PathTraversalState::m_normalAngle
float m_normalAngle
Definition: PathTraversalState.h:71
WebCore::PathTraversalState::m_control2
FloatPoint m_control2
Definition: PathTraversalState.h:63
WebCore::PathTraversalState::m_start
FloatPoint m_start
Definition: PathTraversalState.h:61
WebCore::PathTraversalState::quadraticBezierTo
float quadraticBezierTo(const FloatPoint &newControl, const FloatPoint &newEnd)
Definition: PathTraversalState.cpp:180
WebCore::PathTraversalState::m_totalLength
float m_totalLength
Definition: PathTraversalState.h:65
WebCore::PathTraversalState::closeSubpath
float closeSubpath()
Definition: PathTraversalState.cpp:160
WebCore::PathTraversalState::m_control1
FloatPoint m_control1
Definition: PathTraversalState.h:62
WebCore::PathTraversalState::lineTo
float lineTo(const FloatPoint &)
Definition: PathTraversalState.cpp:173
WebCore::PathTraversalState::m_desiredLength
float m_desiredLength
Definition: PathTraversalState.h:67
WebCore::PathTraversalState::m_previous
FloatPoint m_previous
Definition: PathTraversalState.h:70
WebCore::PathTraversalState::cubicBezierTo
float cubicBezierTo(const FloatPoint &newControl1, const FloatPoint &newControl2, const FloatPoint &newEnd)
Definition: PathTraversalState.cpp:193
WebCore::PathTraversalState::m_segmentIndex
unsigned m_segmentIndex
Definition: PathTraversalState.h:66
WebCore::PathTraversalState::PathTraversalAction
PathTraversalAction
Definition: PathTraversalState.h:41
WebCore::PathTraversalState::TraversalTotalLength
@ TraversalTotalLength
Definition: PathTraversalState.h:42
WebCore::PathTraversalState::TraversalPointAtLength
@ TraversalPointAtLength
Definition: PathTraversalState.h:43
WebCore::PathTraversalState::TraversalSegmentAtLength
@ TraversalSegmentAtLength
Definition: PathTraversalState.h:44
WebCore::PathTraversalState::TraversalNormalAngleAtLength
@ TraversalNormalAngleAtLength
Definition: PathTraversalState.h:45
WebCore::PathTraversalState::m_current
FloatPoint m_current
Definition: PathTraversalState.h:60
WebCore::PathTraversalState::moveTo
float moveTo(const FloatPoint &)
Definition: PathTraversalState.cpp:167
WebCore::PathTraversalState::m_action
PathTraversalAction m_action
Definition: PathTraversalState.h:57
khtml::Path
Definition: Path.h:68
WebCore
Definition: CSSHelper.h:7
WebCore::Path
khtml::Path Path
Definition: PathTraversalState.h:37
khtml
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