1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
5 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23 #include "config.h"
24
25 #if ENABLE(SVG)
26 #include "SVGPathTraversalStateBuilder.h"
27
28 namespace WebCore {
29
SVGPathTraversalStateBuilder()30 SVGPathTraversalStateBuilder::SVGPathTraversalStateBuilder()
31 : m_traversalState(0)
32 , m_desiredLength(0)
33 {
34 }
35
moveTo(const FloatPoint & targetPoint,bool,PathCoordinateMode)36 void SVGPathTraversalStateBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode)
37 {
38 ASSERT(m_traversalState);
39 m_traversalState->m_totalLength += m_traversalState->moveTo(targetPoint);
40 }
41
lineTo(const FloatPoint & targetPoint,PathCoordinateMode)42 void SVGPathTraversalStateBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode)
43 {
44 ASSERT(m_traversalState);
45 m_traversalState->m_totalLength += m_traversalState->lineTo(targetPoint);
46 }
47
curveToCubic(const FloatPoint & point1,const FloatPoint & point2,const FloatPoint & targetPoint,PathCoordinateMode)48 void SVGPathTraversalStateBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode)
49 {
50 ASSERT(m_traversalState);
51 m_traversalState->m_totalLength += m_traversalState->cubicBezierTo(point1, point2, targetPoint);
52 }
53
closePath()54 void SVGPathTraversalStateBuilder::closePath()
55 {
56 ASSERT(m_traversalState);
57 m_traversalState->m_totalLength += m_traversalState->closeSubpath();
58 }
59
setDesiredLength(float desiredLength)60 void SVGPathTraversalStateBuilder::setDesiredLength(float desiredLength)
61 {
62 ASSERT(m_traversalState);
63 m_traversalState->m_desiredLength = desiredLength;
64 }
65
continueConsuming()66 bool SVGPathTraversalStateBuilder::continueConsuming()
67 {
68 ASSERT(m_traversalState);
69 ASSERT(m_traversalState->m_action == PathTraversalState::TraversalSegmentAtLength);
70 return m_traversalState->m_totalLength < m_traversalState->m_desiredLength;
71 }
72
incrementPathSegmentCount()73 void SVGPathTraversalStateBuilder::incrementPathSegmentCount()
74 {
75 ASSERT(m_traversalState);
76 ++m_traversalState->m_segmentIndex;
77 }
78
pathSegmentIndex()79 unsigned long SVGPathTraversalStateBuilder::pathSegmentIndex()
80 {
81 ASSERT(m_traversalState);
82 return m_traversalState->m_segmentIndex;
83 }
84
85 }
86
87 #endif // ENABLE(SVG)
88