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#include "SVGPathByteStreamBuilder.h"
22
23#include "SVGPathParser.h"
24#include "SVGPathSeg.h"
25#include "SVGPathStringSource.h"
26
27namespace WebCore {
28
29SVGPathByteStreamBuilder::SVGPathByteStreamBuilder()
30    : m_byteStream(0)
31{
32}
33
34void SVGPathByteStreamBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode mode)
35{
36    ASSERT(m_byteStream);
37    writeSegmentType(mode == RelativeCoordinates ?  PathSegMoveToRel : PathSegMoveToAbs);
38    writeFloatPoint(targetPoint);
39}
40
41void SVGPathByteStreamBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
42{
43    ASSERT(m_byteStream);
44    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToRel : PathSegLineToAbs);
45    writeFloatPoint(targetPoint);
46}
47
48void SVGPathByteStreamBuilder::lineToHorizontal(float x, PathCoordinateMode mode)
49{
50    ASSERT(m_byteStream);
51    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToHorizontalRel : PathSegLineToHorizontalAbs);
52    writeFloat(x);
53}
54
55void SVGPathByteStreamBuilder::lineToVertical(float y, PathCoordinateMode mode)
56{
57    ASSERT(m_byteStream);
58    writeSegmentType(mode == RelativeCoordinates ? PathSegLineToVerticalRel : PathSegLineToVerticalAbs);
59    writeFloat(y);
60}
61
62void SVGPathByteStreamBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
63{
64    ASSERT(m_byteStream);
65    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToCubicRel : PathSegCurveToCubicAbs);
66    writeFloatPoint(point1);
67    writeFloatPoint(point2);
68    writeFloatPoint(targetPoint);
69}
70
71void SVGPathByteStreamBuilder::curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
72{
73    ASSERT(m_byteStream);
74    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToCubicSmoothRel : PathSegCurveToCubicSmoothAbs);
75    writeFloatPoint(point2);
76    writeFloatPoint(targetPoint);
77}
78
79void SVGPathByteStreamBuilder::curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode mode)
80{
81    ASSERT(m_byteStream);
82    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToQuadraticRel : PathSegCurveToQuadraticAbs);
83    writeFloatPoint(point1);
84    writeFloatPoint(targetPoint);
85}
86
87void SVGPathByteStreamBuilder::curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode mode)
88{
89    ASSERT(m_byteStream);
90    writeSegmentType(mode == RelativeCoordinates ? PathSegCurveToQuadraticSmoothRel : PathSegCurveToQuadraticSmoothAbs);
91    writeFloatPoint(targetPoint);
92}
93
94void SVGPathByteStreamBuilder::arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode mode)
95{
96    ASSERT(m_byteStream);
97    writeSegmentType(mode == RelativeCoordinates ? PathSegArcRel : PathSegArcAbs);
98    writeFloat(r1);
99    writeFloat(r2);
100    writeFloat(angle);
101    writeFlag(largeArcFlag);
102    writeFlag(sweepFlag);
103    writeFloatPoint(targetPoint);
104}
105
106void SVGPathByteStreamBuilder::closePath()
107{
108    ASSERT(m_byteStream);
109    writeSegmentType(PathSegClosePath);
110}
111
112} // namespace WebCore
113