1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef SVGPathByteStreamBuilder_h
#define SVGPathByteStreamBuilder_h
#if ENABLE(SVG)
#include "FloatPoint.h"
#include "PlatformString.h"
#include "SVGPathByteStream.h"
#include "SVGPathConsumer.h"
#include <wtf/PassOwnPtr.h>
namespace WebCore {
class SVGPathByteStreamBuilder : public SVGPathConsumer {
public:
SVGPathByteStreamBuilder();
void setCurrentByteStream(SVGPathByteStream* byteStream) { m_byteStream = byteStream; }
private:
virtual void incrementPathSegmentCount() { }
virtual bool continueConsuming() { return true; }
virtual void cleanup() { m_byteStream = 0; }
// Used in UnalteredParsing/NormalizedParsing modes.
virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode);
virtual void lineTo(const FloatPoint&, PathCoordinateMode);
virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode);
virtual void closePath();
// Only used in UnalteredParsing mode.
virtual void lineToHorizontal(float, PathCoordinateMode);
virtual void lineToVertical(float, PathCoordinateMode);
virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode);
virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode);
virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode);
virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode);
template<typename ByteType>
void writeType(const ByteType& type)
{
size_t typeSize = sizeof(ByteType);
for (size_t i = 0; i < typeSize; ++i)
m_byteStream->append(type.bytes[i]);
}
void writeFlag(bool value)
{
BoolByte data;
data.value = value;
writeType(data);
}
void writeFloat(float value)
{
FloatByte data;
data.value = value;
writeType(data);
}
void writeFloatPoint(const FloatPoint& point)
{
writeFloat(point.x());
writeFloat(point.y());
}
void writeSegmentType(unsigned short value)
{
UnsignedShortByte data;
data.value = value;
writeType(data);
}
SVGPathByteStream* m_byteStream;
};
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGPathByteStreamBuilder_h
|
