blob: 07db62fc9b3ce43f25817368bde93eaf68e21d48 (
plain)
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
|
/*
* 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.visual;
import java.awt.image.BufferedImage;
import java.io.File;
import org.apache.avalon.framework.configuration.Configurable;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
/**
* BitmapProducer implementation that simply loads preproduced reference bitmaps from a
* certain directory.
* <p>
* Here's what the configuration element looks like for the class:
* <p>
* <pre>
* <producer classname="org.apache.fop.visual.ReferenceBitmapLoader">
* <directory>C:/Temp/ref-bitmaps</directory>
* </producer>
* </pre>
*/
public class ReferenceBitmapLoader extends AbstractBitmapProducer implements Configurable {
private File bitmapDirectory;
/** @see org.apache.avalon.framework.configuration.Configurable */
public void configure(Configuration cfg) throws ConfigurationException {
this.bitmapDirectory = new File(cfg.getChild("directory").getValue(null));
if (!bitmapDirectory.exists()) {
throw new ConfigurationException("Directory could not be found: " + bitmapDirectory);
}
}
/** @see org.apache.fop.visual.BitmapProducer */
public BufferedImage produce(File src, ProducerContext context) {
try {
File bitmap = new File(bitmapDirectory, src.getName() + ".png");
if (bitmap.exists()) {
return BitmapComparator.getImage(bitmap);
} else {
return null;
}
} catch (Exception e) {
log.error(e);
return null;
}
}
}
|
