1 /*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21
22 #if ENABLE(SVG)
23 #include "SVGPathStringBuilder.h"
24
25 namespace WebCore {
26
result()27 String SVGPathStringBuilder::result()
28 {
29 unsigned size = m_stringBuilder.length();
30 if (!size)
31 return String();
32
33 // Remove trailing space.
34 m_stringBuilder.resize(size - 1);
35 return m_stringBuilder.toString();
36 }
37
moveTo(const FloatPoint & targetPoint,bool,PathCoordinateMode mode)38 void SVGPathStringBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode mode)
39 {
40 if (mode == AbsoluteCoordinates)
41 m_stringBuilder.append(String::format("M %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
42 else
43 m_stringBuilder.append(String::format("m %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
44 }
45
lineTo(const FloatPoint & targetPoint,PathCoordinateMode mode)46 void SVGPathStringBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
47 {
48 if (mode == AbsoluteCoordinates)
49 m_stringBuilder.append(String::format("L %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
50 else
51 m_stringBuilder.append(String::format("l %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
52 }
53
lineToHorizontal(float x,PathCoordinateMode mode)54 void SVGPathStringBuilder::lineToHorizontal(float x, PathCoordinateMode mode)
55 {
56 if (mode == AbsoluteCoordinates)
57 m_stringBuilder.append(String::format("H %.6lg ", x));
58 else
59 m_stringBuilder.append(String::format("h %.6lg ", x));
60 }
61
lineToVertical(float y,PathCoordinateMode mode)62 void SVGPathStringBuilder::lineToVertical(float y, PathCoordinateMode mode)
63 {
64 if (mode == AbsoluteCoordinates)
65 m_stringBuilder.append(String::format("V %.6lg ", y));
66 else
67 m_stringBuilder.append(String::format("v %.6lg ", y));
68 }
69
curveToCubic(const FloatPoint & point1,const FloatPoint & point2,const FloatPoint & targetPoint,PathCoordinateMode mode)70 void SVGPathStringBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
71 {
72 if (mode == AbsoluteCoordinates)
73 m_stringBuilder.append(String::format("C %.6lg %.6lg %.6lg %.6lg %.6lg %.6lg ", point1.x(), point1.y(), point2.x(), point2.y(), targetPoint.x(), targetPoint.y()));
74 else
75 m_stringBuilder.append(String::format("c %.6lg %.6lg %.6lg %.6lg %.6lg %.6lg ", point1.x(), point1.y(), point2.x(), point2.y(), targetPoint.x(), targetPoint.y()));
76 }
77
curveToCubicSmooth(const FloatPoint & point2,const FloatPoint & targetPoint,PathCoordinateMode mode)78 void SVGPathStringBuilder::curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
79 {
80 if (mode == AbsoluteCoordinates)
81 m_stringBuilder.append(String::format("S %.6lg %.6lg %.6lg %.6lg ", point2.x(), point2.y(), targetPoint.x(), targetPoint.y()));
82 else
83 m_stringBuilder.append(String::format("s %.6lg %.6lg %.6lg %.6lg ", point2.x(), point2.y(), targetPoint.x(), targetPoint.y()));
84 }
85
curveToQuadratic(const FloatPoint & point1,const FloatPoint & targetPoint,PathCoordinateMode mode)86 void SVGPathStringBuilder::curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode mode)
87 {
88 if (mode == AbsoluteCoordinates)
89 m_stringBuilder.append(String::format("Q %.6lg %.6lg %.6lg %.6lg ", point1.x(), point1.y(), targetPoint.x(), targetPoint.y()));
90 else
91 m_stringBuilder.append(String::format("q %.6lg %.6lg %.6lg %.6lg ", point1.x(), point1.y(), targetPoint.x(), targetPoint.y()));
92 }
93
curveToQuadraticSmooth(const FloatPoint & targetPoint,PathCoordinateMode mode)94 void SVGPathStringBuilder::curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode mode)
95 {
96 if (mode == AbsoluteCoordinates)
97 m_stringBuilder.append(String::format("T %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
98 else
99 m_stringBuilder.append(String::format("t %.6lg %.6lg ", targetPoint.x(), targetPoint.y()));
100 }
101
arcTo(float r1,float r2,float angle,bool largeArcFlag,bool sweepFlag,const FloatPoint & targetPoint,PathCoordinateMode mode)102 void SVGPathStringBuilder::arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode mode)
103 {
104 if (mode == AbsoluteCoordinates)
105 m_stringBuilder.append(String::format("A %.6lg %.6lg %.6lg %d %d %.6lg %.6lg ", r1, r2, angle, largeArcFlag, sweepFlag, targetPoint.x(), targetPoint.y()));
106 else
107 m_stringBuilder.append(String::format("a %.6lg %.6lg %.6lg %d %d %.6lg %.6lg ", r1, r2, angle, largeArcFlag, sweepFlag, targetPoint.x(), targetPoint.y()));
108 }
109
closePath()110 void SVGPathStringBuilder::closePath()
111 {
112 m_stringBuilder.append("Z ");
113 }
114
115 } // namespace WebCore
116
117 #endif // ENABLE(SVG)
118