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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.afp.ioca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.modca.AbstractAFPObject;
import org.apache.fop.afp.util.BinaryUtils;
/**
* The IM Image Output Control structured field specifies the position and
* orientation of the IM image object area and the mapping of the image points
* to presentation device pels.
*
*/
public class ImageOutputControl extends AbstractAFPObject {
/** the orientation of the image */
private int orientation = 0;
/**
* Specifies the offset, along the X-axis, of the IM image object area
* origin to the origin of the including page
*/
private int xCoord = 0;
/**
* Specifies the offset, along the Y-axis, of the IM image object area
* origin to the origin of the including page
*/
private int yCoord = 0;
/** map an image point to a single presentation device */
private boolean singlePoint = true;
/**
* Constructor for the ImageOutputControl The x parameter specifies the
* offset, along the X-axis, of the IM image object area origin to the
* origin of the including page and the y parameter specifies the offset
* along the Y-axis. The offset is specified in image points and is resolved
* using the units of measure specified for the image in the IID structured
* field.
*
* @param x
* The X-axis offset.
* @param y
* The Y-axis offset.
*/
public ImageOutputControl(int x, int y) {
xCoord = x;
yCoord = y;
}
/** {@inheritDoc} */
public void writeToStream(OutputStream os) throws IOException {
byte[] data = new byte[33];
data[0] = 0x5A;
data[1] = 0x00;
data[2] = 0x20;
data[3] = (byte) 0xD3;
data[4] = (byte) 0xA7;
data[5] = (byte) 0x7B;
data[6] = 0x00;
data[7] = 0x00;
data[8] = 0x00;
// XoaOset
byte[] x1 = BinaryUtils.convert(xCoord, 3);
data[9] = x1[0];
data[10] = x1[1];
data[11] = x1[2];
// YoaOset
byte[] x2 = BinaryUtils.convert(yCoord, 3);
data[12] = x2[0];
data[13] = x2[1];
data[14] = x2[2];
switch (orientation) {
case 0:
// 0 and 90 degrees respectively
data[15] = 0x00;
data[16] = 0x00;
data[17] = 0x2D;
data[18] = 0x00;
break;
case 90:
// 90 and 180 degrees respectively
data[15] = 0x2D;
data[16] = 0x00;
data[17] = 0x5A;
data[18] = 0x00;
break;
case 180:
// 180 and 270 degrees respectively
data[15] = 0x5A;
data[16] = 0x00;
data[17] = (byte) 0x87;
data[18] = 0x00;
break;
case 270:
// 270 and 0 degrees respectively
data[15] = (byte) 0x87;
data[16] = 0x00;
data[17] = 0x00;
data[18] = 0x00;
break;
default:
// 0 and 90 degrees respectively
data[15] = 0x00;
data[16] = 0x00;
data[17] = 0x2D;
data[18] = 0x00;
break;
}
// Constant Data
data[19] = 0x00;
data[20] = 0x00;
data[21] = 0x00;
data[22] = 0x00;
data[23] = 0x00;
data[24] = 0x00;
data[25] = 0x00;
data[26] = 0x00;
if (singlePoint) {
data[27] = 0x03;
data[28] = (byte) 0xE8;
data[29] = 0x03;
data[30] = (byte) 0xE8;
} else {
data[27] = 0x07;
data[28] = (byte) 0xD0;
data[29] = 0x07;
data[30] = (byte) 0xD0;
}
// Constant Data
data[31] = (byte) 0xFF;
data[32] = (byte) 0xFF;
os.write(data);
}
/**
* Sets the orientation which specifies the amount of clockwise rotation of
* the IM image object area.
*
* @param orientation
* The orientation to set.
*/
public void setOrientation(int orientation) {
if (orientation == 0 || orientation == 90 || orientation == 180
|| orientation == 270) {
this.orientation = orientation;
} else {
throw new IllegalArgumentException(
"The orientation must be one of the values 0, 90, 180, 270");
}
}
/**
* Sets the singlepoint, if true map an image point to a single presentation
* device pel in the IM image object area. If false map an image point to
* two presentation device pels in the IM image object area (double-dot)
*
* @param singlepoint
* Use the singlepoint basis when true.
*/
public void setSinglepoint(boolean singlepoint) {
singlePoint = singlepoint;
}
}
|
