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