1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright (C) 2002, 2003 The Karbon Developers
* Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
* Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if ENABLE(SVG)
#include "SVGPathBuilder.h"
namespace WebCore {
SVGPathBuilder::SVGPathBuilder()
: m_path(0)
{
}
void SVGPathBuilder::moveTo(const FloatPoint& targetPoint, bool closed, PathCoordinateMode mode)
{
ASSERT(m_path);
m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint;
if (closed)
m_path->closeSubpath();
m_path->moveTo(m_current);
}
void SVGPathBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
{
ASSERT(m_path);
m_current = mode == AbsoluteCoordinates ? targetPoint : m_current + targetPoint;
m_path->addLineTo(m_current);
}
void SVGPathBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
{
ASSERT(m_path);
if (mode == RelativeCoordinates) {
m_path->addBezierCurveTo(m_current + point1, m_current + point2, m_current + targetPoint);
m_current += targetPoint;
} else {
m_current = targetPoint;
m_path->addBezierCurveTo(point1, point2, m_current);
}
}
void SVGPathBuilder::closePath()
{
ASSERT(m_path);
m_path->closeSubpath();
}
}
#endif // ENABLE(SVG)
|
