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
|
/*
* 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.modca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.fop.afp.AFPDataObjectInfo;
import org.apache.fop.afp.AFPImageObjectInfo;
import org.apache.fop.afp.Factory;
import org.apache.fop.afp.ioca.ImageSegment;
/**
* An IOCA Image Data Object
*/
public class ImageObject extends AbstractDataObject {
private static final int MAX_DATA_LEN = 32759;
/** the image segment */
private ImageSegment imageSegment = null;
/**
* Constructor for the image object with the specified name,
* the name must be a fixed length of eight characters.
*
* @param name The name of the image.
* @param factory the resource manager
*/
public ImageObject(Factory factory, String name) {
super(factory, name);
}
private ImageSegment getImageSegment() {
if (imageSegment == null) {
this.imageSegment = factory.createImageSegment();
}
return imageSegment;
}
/** {@inheritDoc} */
public void setViewport(AFPDataObjectInfo dataObjectInfo) {
super.setViewport(dataObjectInfo);
AFPImageObjectInfo imageObjectInfo = (AFPImageObjectInfo)dataObjectInfo;
int dataWidth = imageObjectInfo.getDataWidth();
int dataHeight = imageObjectInfo.getDataHeight();
// AFPObjectAreaInfo objectAreaInfo = dataObjectInfo.getObjectAreaInfo();
// int widthRes = objectAreaInfo.getWidthRes();
// int heightRes = objectAreaInfo.getHeightRes();
int dataWidthRes = imageObjectInfo.getDataWidthRes();
int dataHeightRes = imageObjectInfo.getDataWidthRes();
ImageDataDescriptor imageDataDescriptor
= factory.createImageDataDescriptor(dataWidth, dataHeight, dataWidthRes, dataHeightRes);
getObjectEnvironmentGroup().setDataDescriptor(imageDataDescriptor);
getImageSegment().setImageSize(dataWidth, dataHeight, dataWidthRes, dataHeightRes);
}
/**
* Sets the image encoding.
*
* @param encoding The image encoding.
*/
public void setEncoding(byte encoding) {
getImageSegment().setEncoding(encoding);
}
/**
* Sets the image compression.
*
* @param compression The image compression.
*/
public void setCompression(byte compression) {
getImageSegment().setCompression(compression);
}
/**
* Sets the image IDE size.
*
* @param size The IDE size.
*/
public void setIDESize(byte size) {
getImageSegment().setIDESize(size);
}
/**
* Sets the image IDE color model.
*
* @param colorModel the IDE color model.
*/
public void setIDEColorModel(byte colorModel) {
getImageSegment().setIDEColorModel(colorModel);
}
/**
* Set the data of the image.
*
* @param data the image data
*/
public void setData(byte[] imageData) {
getImageSegment().setData(imageData);
}
/** {@inheritDoc} */
protected void writeStart(OutputStream os) throws IOException {
byte[] data = new byte[17];
copySF(data, Type.BEGIN, Category.IMAGE);
os.write(data);
}
/** {@inheritDoc} */
protected void writeContent(OutputStream os) throws IOException {
super.writeContent(os);
if (imageSegment != null) {
final byte[] dataHeader = new byte[9];
copySF(dataHeader, SF_CLASS, Type.DATA, Category.IMAGE);
final int lengthOffset = 1;
// TODO save memory!
ByteArrayOutputStream baos = new ByteArrayOutputStream();
imageSegment.writeToStream(baos);
byte[] data = baos.toByteArray();
writeChunksToStream(data, dataHeader, lengthOffset, MAX_DATA_LEN, os);
}
}
/** {@inheritDoc} */
protected void writeEnd(OutputStream os) throws IOException {
byte[] data = new byte[17];
copySF(data, Type.END, Category.IMAGE);
os.write(data);
}
}
|
