Mercurial > hg > digilib-old

annotate common-jai/src/main/java/digilib/image/JAIImageLoaderDocuImage.java @ 1103:d8c380faa347

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix region numbers and rg param
author hertzhaft
date Fri, 26 Oct 2012 14:17:19 +0200
parents b2d97b842612
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
960
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
1 /* JAIImageLoaderDocuImage -- Image class implementation using JAI's ImageLoader Plugin
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
2
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
3 Digital Image Library servlet components
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
4
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
5 Copyright (C) 2002, 2003 Robert Casties (robcast@mail.berlios.de)
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
6
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
7 This program is free software; you can redistribute it and/or modify it
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
9 Free Software Foundation; either version 2 of the License, or (at your
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
10 option) any later version.
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
11
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
12 Please read license.txt for the full details. A copy of the GPL
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
13 may be found at http://www.gnu.org/copyleft/lgpl.html
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
14
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
15 You should have received a copy of the GNU General Public License
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
16 along with this program; if not, write to the Free Software
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
18
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
19 */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
20
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
21 package digilib.image;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
22
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
23 import java.awt.Image;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
24 import java.awt.Rectangle;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
25 import java.awt.image.renderable.ParameterBlock;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
26 import java.io.File;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
27 import java.io.IOException;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
28 import java.io.OutputStream;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
29 import java.io.RandomAccessFile;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
30 import java.util.Iterator;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
31
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
32 import javax.imageio.ImageIO;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
33 import javax.imageio.ImageReadParam;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
34 import javax.imageio.ImageReader;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
35 import javax.imageio.stream.FileImageInputStream;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
36 import javax.imageio.stream.ImageInputStream;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
37 import javax.media.jai.JAI;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
38
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
39 import digilib.io.FileOpException;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
40 import digilib.io.ImageInput;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
41 import digilib.util.ImageSize;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
42
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
43 /** DocuImage implementation using the Java Advanced Imaging API and the ImageLoader
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
44 * API of Java 1.4.
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
45 */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
46 public class JAIImageLoaderDocuImage extends JAIDocuImage {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
47
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
48 /** ImageIO image reader */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
49 protected ImageReader reader;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
50 /** current image file */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
51 protected File imgFile;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
52
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
53 /* loadSubimage is supported. */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
54 public boolean isSubimageSupported() {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
55 return true;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
56 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
57
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
58 /* returns the size of the current image */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
59 public ImageSize getSize() {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
60 ImageSize is = null;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
61 // TODO: can we cache imageSize?
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
62 int h = 0;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
63 int w = 0;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
64 try {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
65 if (img == null) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
66 // get size from ImageReader
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
67 h = reader.getHeight(0);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
68 w = reader.getWidth(0);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
69 } else {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
70 // get size from image
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
71 h = img.getHeight();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
72 w = img.getWidth();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
73 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
74 is = new ImageSize(w, h);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
75 } catch (IOException e) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
76 logger.debug("error in getSize:", e);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
77 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
78 return is;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
79 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
80
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
81
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
82 /* Load an image file into the Object. */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
83 public void loadImage(ImageInput ii) throws FileOpException {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
84 logger.debug("loadImage: "+ii);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
85 if (ii.hasImageInputStream()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
86 img = JAI.create("ImageRead", ii.getImageInputStream());
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
87 } else if (ii.hasFile()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
88 img = JAI.create("ImageRead", ii.getFile().getAbsolutePath());
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
89 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
90 if (img == null) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
91 throw new FileOpException("Unable to load File!");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
92 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
93 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
94
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
95 /* Get an ImageReader for the image file. */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
96 public ImageReader getReader(ImageInput input) throws IOException {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
97 logger.debug("get ImageReader for " + input);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
98 if (this.reader != null) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
99 if (this.input == input) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
100 // it was the same input
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
101 logger.debug("reusing Reader");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
102 return reader;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
103 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
104 // clean up old reader
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
105 logger.debug("cleaning Reader!");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
106 dispose();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
107 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
108 this.input = input;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
109 ImageInputStream istream = null;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
110 if (input.hasImageInputStream()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
111 // stream input
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
112 istream = input.getImageInputStream();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
113 } else if (input.hasFile()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
114 // file only input
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
115 RandomAccessFile rf = new RandomAccessFile(input.getFile(), "r");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
116 istream = new FileImageInputStream(rf);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
117 } else {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
118 throw new FileOpException("Unable to get data from ImageInput");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
119 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
120 Iterator<ImageReader> readers;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
121 String mt = input.getMimetype();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
122 if (mt == null) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
123 logger.debug("No mime-type. Trying automagic.");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
124 readers = ImageIO.getImageReaders(istream);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
125 } else {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
126 logger.debug("File type:" + mt);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
127 readers = ImageIO.getImageReadersByMIMEType(mt);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
128 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
129 if (!readers.hasNext()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
130 throw new FileOpException("Can't find Reader to load File!");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
131 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
132 reader = readers.next();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
133 logger.debug("ImageIO: this reader: " + reader.getClass());
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
134 /* are there more readers? */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
135 /* while (readers.hasNext()) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
136 logger.debug("ImageIO: next reader: " + readers.next().getClass());
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
137 } */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
138 reader.setInput(istream);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
139 return reader;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
140 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
141
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
142 /* Load an image file into the Object. */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
143 public void loadSubimage(ImageInput ii, Rectangle region, int prescale)
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
144 throws FileOpException {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
145 logger.debug("loadSubimage: "+ii.getFile());
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
146 //System.gc();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
147 try {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
148 if ((reader == null) || (imgFile != ii.getFile())) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
149 getReader(ii);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
150 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
151 ImageReadParam readParam = reader.getDefaultReadParam();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
152 readParam.setSourceRegion(region);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
153 readParam.setSourceSubsampling(prescale, prescale, 0, 0);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
154 img = reader.read(0, readParam);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
155 /* JAI imageread seems to ignore the readParam :-(
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
156 ImageInputStream istream = (ImageInputStream) reader.getInput();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
157 ParameterBlockJAI pb = new ParameterBlockJAI("imageread");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
158 pb.setParameter("Input", istream);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
159 pb.setParameter("ReadParam", readParam);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
160 pb.setParameter("Reader", reader);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
161 img = JAI.create("imageread", pb);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
162 */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
163 } catch (IOException e) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
164 throw new FileOpException("Unable to load File!");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
165 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
166 if (img == null) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
167 throw new FileOpException("Unable to load File!");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
168 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
169 imgFile = ii.getFile();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
170 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
171
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
172
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
173 /* Write the current image to an OutputStream. */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
174 public void writeImage(String mt, OutputStream ostream)
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
175 throws ImageOpException, FileOpException {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
176 logger.debug("writeImage");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
177 try {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
178 // setup output
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
179 ParameterBlock pb3 = new ParameterBlock();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
180 pb3.addSource(img);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
181 pb3.add(ostream);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
182 if (mt == "image/jpeg") {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
183 pb3.add("JPEG");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
184 } else if (mt == "image/png") {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
185 pb3.add("PNG");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
186 } else {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
187 // unknown mime type
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
188 throw new ImageOpException("Unknown mime type: " + mt);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
189 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
190 // render output
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
191 JAI.create("ImageWrite", pb3);
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
192 } catch (RuntimeException e) {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
193 throw new FileOpException("Error writing image.");
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
194 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
195 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
196
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
197 @Override
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
198 public Image getAwtImage() {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
199 // TODO Auto-generated method stub
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
200 return (Image) img;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
201 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
202
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
203 /* (non-Javadoc)
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
204 * @see java.lang.Object#finalize()
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
205 */
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
206 protected void finalize() throws Throwable {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
207 dispose();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
208 super.finalize();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
209 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
210
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
211 public void dispose() {
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
212 // we must dispose the ImageReader because it keeps the filehandle open!
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
213 reader.dispose();
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
214 reader = null;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
215 img = null;
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
216 }
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
217
b2d97b842612 moved DocuImage implementations with non-standard toolkits (JAI, ImgeJ) into separate Maven modules.
robcast
parents:
diff changeset
218 }