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 #include "platform/graphics/PathTraversalState.h"
25
26 #include "core/svg/SVGPathTraversalStateBuilder.h"
27
28 namespace WebCore {
29
SVGPathTraversalStateBuilder()30 SVGPathTraversalStateBuilder::SVGPathTraversalStateBuilder()
31 : m_traversalState(0)
32 {
33 }
34
moveTo(const FloatPoint & targetPoint,bool,PathCoordinateMode)35 void SVGPathTraversalStateBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode)
36 {
37 ASSERT(m_traversalState);
38 m_traversalState->m_totalLength += m_traversalState->moveTo(targetPoint);
39 }
40
lineTo(const FloatPoint & targetPoint,PathCoordinateMode)41 void SVGPathTraversalStateBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode)
42 {
43 ASSERT(m_traversalState);
44 m_traversalState->m_totalLength += m_traversalState->lineTo(targetPoint);
45 }
46
curveToCubic(const FloatPoint & point1,const FloatPoint & point2,const FloatPoint & targetPoint,PathCoordinateMode)47 void SVGPathTraversalStateBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode)
48 {
49 ASSERT(m_traversalState);
50 m_traversalState->m_totalLength += m_traversalState->cubicBezierTo(point1, point2, targetPoint);
51 }
52
closePath()53 void SVGPathTraversalStateBuilder::closePath()
54 {
55 ASSERT(m_traversalState);
56 m_traversalState->m_totalLength += m_traversalState->closeSubpath();
57 }
58
setDesiredLength(float desiredLength)59 void SVGPathTraversalStateBuilder::setDesiredLength(float desiredLength)
60 {
61 ASSERT(m_traversalState);
62 m_traversalState->m_desiredLength = desiredLength;
63 }
64
continueConsuming()65 bool SVGPathTraversalStateBuilder::continueConsuming()
66 {
67 ASSERT(m_traversalState);
68 m_traversalState->processSegment();
69 return !m_traversalState->m_success;
70 }
71
incrementPathSegmentCount()72 void SVGPathTraversalStateBuilder::incrementPathSegmentCount()
73 {
74 ASSERT(m_traversalState);
75 ++m_traversalState->m_segmentIndex;
76 }
77
pathSegmentIndex()78 unsigned SVGPathTraversalStateBuilder::pathSegmentIndex()
79 {
80 ASSERT(m_traversalState);
81 return m_traversalState->m_segmentIndex;
82 }
83
totalLength()84 float SVGPathTraversalStateBuilder::totalLength()
85 {
86 ASSERT(m_traversalState);
87 return m_traversalState->m_totalLength;
88 }
89
currentPoint()90 FloatPoint SVGPathTraversalStateBuilder::currentPoint()
91 {
92 ASSERT(m_traversalState);
93 return m_traversalState->m_current;
94 }
95
96 }
97