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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2011.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 or
* version 2 as published by the Free Software Foundation.
*
* This program 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
* General Public License for more details.
*/
package func.lib;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import uk.me.parabola.imgfmt.app.ImgFileWriter;
/**
* A writer that just writes to an array for testing.
*
* @author Steve Ratcliffe
*/
public class ArrayImgWriter implements ImgFileWriter {
private final ByteArrayOutputStream out = new ByteArrayOutputStream();
public void sync() throws IOException {
}
public int position() {
return out.size();
}
public void position(long pos) {
throw new UnsupportedOperationException();
}
public void put(byte b) {
out.write(b);
}
public void put1s(int val) {
assert val >= -128 && val <= 127 : val;
out.write(val);
}
public void put2s(int val) {
assert val >= -32768 && val <= 32767 : val;
out.write(val);
out.write(val >> 8);
}
public void put3s(int val) {
assert val >= -0x800000 && val <= 0x7fffff : val;
out.write(val);
out.write(val >> 8);
out.write(val >> 16);
}
public void put1u(int val) {
assert val >= 0 && val <= 255 : val;
out.write(val);
}
public void put2u(int val) {
assert val >= 0 && val <= 65535 : val;
out.write(val);
out.write(val >> 8);
}
public void put3u(int val) {
assert val >= 0 && val <= 0xffffff : val;
out.write(val);
out.write(val >> 8);
out.write(val >> 16);
}
public void putNu(int nBytes, int val) {
out.write(val);
if (nBytes <= 1) {
assert val >= 0 && val <= 255 : val;
return;
}
out.write(val >> 8);
if (nBytes <= 2) {
assert val >= 0 && val <= 65535 : val;
return;
}
out.write(val >> 16);
if (nBytes <= 3) {
assert val >= 0 && val <= 0xffffff : val;
return;
}
out.write(val >> 24);
}
public void put4(int val) {
out.write(val);
out.write(val >> 8);
out.write(val >> 16);
out.write(val >> 24);
}
public void put(byte[] val) {
out.write(val, 0, val.length);
}
public void put(byte[] src, int start, int length) {
out.write(src, start, length);
}
public void put(ByteBuffer src) {
byte[] array = src.array();
out.write(array, 0, src.limit());
}
public long getSize() {
return out.size();
}
public void close() throws IOException {
out.close();
}
public byte[] getBytes() {
return out.toByteArray();
}
}
|
