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 "SVGPathByteStreamBuilder.h"
24
25#include "SVGPathParser.h"
26#include "SVGPathSeg.h"
27#include "SVGPathStringSource.h"
28#include <wtf/OwnPtr.h>
29
30namespace WebCore {
31
32SVGPathByteStreamBuilder::SVGPathByteStreamBuilder()
33    : m_byteStream(0)
34{
35}
36
37void SVGPathByteStreamBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode mode)
38{
39    ASSERT(m_byteStream);
40    writeSegmentType(mode == RelativeCoordinates ?  PathSegMoveToRel : PathSegMoveToAbs);
41    writeFloatPoint(targetPoint);
42}
43
44void SVGPathByteStreamBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
45{
46    ASSERT(m_byteStream);
47    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToRel : PathSegLineToAbs);
48    writeFloatPoint(targetPoint);
49}
50
51void SVGPathByteStreamBuilder::lineToHorizontal(float x, PathCoordinateMode mode)
52{
53    ASSERT(m_byteStream);
54    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToHorizontalRel : PathSegLineToHorizontalAbs);
55    writeFloat(x);
56}
57
58void SVGPathByteStreamBuilder::lineToVertical(float y, PathCoordinateMode mode)
59{
60    ASSERT(m_byteStream);
61    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToVerticalRel : PathSegLineToVerticalAbs);
62    writeFloat(y);
63}
64
65void SVGPathByteStreamBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
66{
67    ASSERT(m_byteStream);
68    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToCubicRel : PathSegCurveToCubicAbs);
69    writeFloatPoint(point1);
70    writeFloatPoint(point2);
71    writeFloatPoint(targetPoint);
72}
73
74void SVGPathByteStreamBuilder::curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
75{
76    ASSERT(m_byteStream);
77    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToCubicSmoothRel : PathSegCurveToCubicSmoothAbs);
78    writeFloatPoint(point2);
79    writeFloatPoint(targetPoint);
80}
81
82void SVGPathByteStreamBuilder::curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode mode)
83{
84    ASSERT(m_byteStream);
85    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToQuadraticRel : PathSegCurveToQuadraticAbs);
86    writeFloatPoint(point1);
87    writeFloatPoint(targetPoint);
88}
89
90void SVGPathByteStreamBuilder::curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode mode)
91{
92    ASSERT(m_byteStream);
93    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToQuadraticSmoothRel : PathSegCurveToQuadraticSmoothAbs);
94    writeFloatPoint(targetPoint);
95}
96
97void SVGPathByteStreamBuilder::arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode mode)
98{
99    ASSERT(m_byteStream);
100    writeSegmentType(mode == RelativeCoordinates ? PathSegArcRel : PathSegArcAbs);
101    writeFloat(r1);
102    writeFloat(r2);
103    writeFloat(angle);
104    writeFlag(largeArcFlag);
105    writeFlag(sweepFlag);
106    writeFloatPoint(targetPoint);
107}
108
109void SVGPathByteStreamBuilder::closePath()
110{
111    ASSERT(m_byteStream);
112    writeSegmentType(PathSegClosePath);
113}
114
115} // namespace WebCore
116
117#endif // ENABLE(SVG)
118