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
24 namespace WebCore {
25
SVGPathByteStreamSource(SVGPathByteStream * stream)26 SVGPathByteStreamSource::SVGPathByteStreamSource(SVGPathByteStream* stream)
27 {
28 ASSERT(stream);
29 m_streamCurrent = stream->begin();
30 m_streamEnd = stream->end();
31 }
32
hasMoreData() const33 bool SVGPathByteStreamSource::hasMoreData() const
34 {
35 return m_streamCurrent < m_streamEnd;
36 }
37
parseSVGSegmentType(SVGPathSegType & pathSegType)38 bool SVGPathByteStreamSource::parseSVGSegmentType(SVGPathSegType& pathSegType)
39 {
40 pathSegType = static_cast<SVGPathSegType>(readSVGSegmentType());
41 return true;
42 }
43
nextCommand(SVGPathSegType)44 SVGPathSegType SVGPathByteStreamSource::nextCommand(SVGPathSegType)
45 {
46 return static_cast<SVGPathSegType>(readSVGSegmentType());
47 }
48
parseMoveToSegment(FloatPoint & targetPoint)49 bool SVGPathByteStreamSource::parseMoveToSegment(FloatPoint& targetPoint)
50 {
51 targetPoint = readFloatPoint();
52 return true;
53 }
54
parseLineToSegment(FloatPoint & targetPoint)55 bool SVGPathByteStreamSource::parseLineToSegment(FloatPoint& targetPoint)
56 {
57 targetPoint = readFloatPoint();
58 return true;
59 }
60
parseLineToHorizontalSegment(float & x)61 bool SVGPathByteStreamSource::parseLineToHorizontalSegment(float& x)
62 {
63 x = readFloat();
64 return true;
65 }
66
parseLineToVerticalSegment(float & y)67 bool SVGPathByteStreamSource::parseLineToVerticalSegment(float& y)
68 {
69 y = readFloat();
70 return true;
71 }
72
parseCurveToCubicSegment(FloatPoint & point1,FloatPoint & point2,FloatPoint & targetPoint)73 bool SVGPathByteStreamSource::parseCurveToCubicSegment(FloatPoint& point1, FloatPoint& point2, FloatPoint& targetPoint)
74 {
75 point1 = readFloatPoint();
76 point2 = readFloatPoint();
77 targetPoint = readFloatPoint();
78 return true;
79 }
80
parseCurveToCubicSmoothSegment(FloatPoint & point2,FloatPoint & targetPoint)81 bool SVGPathByteStreamSource::parseCurveToCubicSmoothSegment(FloatPoint& point2, FloatPoint& targetPoint)
82 {
83 point2 = readFloatPoint();
84 targetPoint = readFloatPoint();
85 return true;
86 }
87
parseCurveToQuadraticSegment(FloatPoint & point1,FloatPoint & targetPoint)88 bool SVGPathByteStreamSource::parseCurveToQuadraticSegment(FloatPoint& point1, FloatPoint& targetPoint)
89 {
90 point1 = readFloatPoint();
91 targetPoint = readFloatPoint();
92 return true;
93 }
94
parseCurveToQuadraticSmoothSegment(FloatPoint & targetPoint)95 bool SVGPathByteStreamSource::parseCurveToQuadraticSmoothSegment(FloatPoint& targetPoint)
96 {
97 targetPoint = readFloatPoint();
98 return true;
99 }
100
parseArcToSegment(float & rx,float & ry,float & angle,bool & largeArc,bool & sweep,FloatPoint & targetPoint)101 bool 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