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#include "core/svg/SVGPathByteStreamSource.h"
23
24namespace blink {
25
26SVGPathByteStreamSource::SVGPathByteStreamSource(const SVGPathByteStream* stream)
27{
28    ASSERT(stream);
29    m_streamCurrent = stream->begin();
30    m_streamEnd = stream->end();
31}
32
33bool SVGPathByteStreamSource::hasMoreData() const
34{
35    return m_streamCurrent < m_streamEnd;
36}
37
38bool SVGPathByteStreamSource::parseSVGSegmentType(SVGPathSegType& pathSegType)
39{
40    pathSegType = static_cast<SVGPathSegType>(readSVGSegmentType());
41    return true;
42}
43
44SVGPathSegType SVGPathByteStreamSource::nextCommand(SVGPathSegType)
45{
46    return static_cast<SVGPathSegType>(readSVGSegmentType());
47}
48
49bool SVGPathByteStreamSource::parseMoveToSegment(FloatPoint& targetPoint)
50{
51    targetPoint = readFloatPoint();
52    return true;
53}
54
55bool SVGPathByteStreamSource::parseLineToSegment(FloatPoint& targetPoint)
56{
57    targetPoint = readFloatPoint();
58    return true;
59}
60
61bool SVGPathByteStreamSource::parseLineToHorizontalSegment(float& x)
62{
63    x = readFloat();
64    return true;
65}
66
67bool SVGPathByteStreamSource::parseLineToVerticalSegment(float& y)
68{
69    y = readFloat();
70    return true;
71}
72
73bool SVGPathByteStreamSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint)
74{
75    point1 = readFloatPoint();
76    point2 = readFloatPoint();
77    targetPoint = readFloatPoint();
78    return true;
79}
80
81bool SVGPathByteStreamSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint)
82{
83    point2 = readFloatPoint();
84    targetPoint = readFloatPoint();
85    return true;
86}
87
88bool SVGPathByteStreamSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint)
89{
90    point1 = readFloatPoint();
91    targetPoint = readFloatPoint();
92    return true;
93}
94
95bool SVGPathByteStreamSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint)
96{
97    targetPoint = readFloatPoint();
98    return true;
99}
100
101bool SVGPathByteStreamSource::parseArcToSegment(float& rx, float& ry, float& angle, bool& largeArc, bool& sweep, FloatPoint& targetPoint)
102{
103    rx = readFloat();
104    ry = readFloat();
105    angle = readFloat();
106    largeArc = readFlag();
107    sweep = readFlag();
108    targetPoint = readFloatPoint();
109    return true;
110}
111
112}
113