2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.entity;
33 import java.io.ByteArrayOutputStream;
34 import java.io.InputStream;
35 import java.sql.SQLException;
37 import mir.log.LoggerWrapper;
38 import mir.storage.DatabaseFailure;
39 import mir.util.StreamCopier;
40 import mir.media.image.ImageProcessor;
41 // FIXME: delete this when finished testing ImageMagickImageProcessor
42 //import mir.media.image.JAIImageProcessor;
43 import mir.media.image.ImageMagickImageProcessor;
45 public class EntityImages extends EntityUploadedMedia
47 private int maxImageSize = configuration.getInt("Producer.Image.MaxSize");
48 private int maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
49 private float minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
50 private int minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
57 logger = new LoggerWrapper("Entity.UploadedMedia.Images");
61 * Retrieves the image data
63 public byte[] getImage() throws DatabaseFailure {
65 return database.getBinaryField("select image_data from images where id="+getId());
67 catch (SQLException e) {
68 throw new DatabaseFailure(e);
73 * Processes and saves image data
75 public void setImage(InputStream anInputStream, String type) throws DatabaseFailure {
76 if (anInputStream != null) {
78 // FIXME: delete this when finished testing ImageMagickImageProcessor
79 //ByteArrayOutputStream inputData = new ByteArrayOutputStream();
80 //StreamCopier.copy(anInputStream, inputData);
82 ImageProcessor processor = new ImageMagickImageProcessor(anInputStream);
83 // FIXME: delete this when finished testing ImageMagickImageProcessor
84 //ImageProcessor processor = new JAIImageProcessor(inputData.toByteArray());
85 processor.descaleImage(maxImageSize, minDescaleRatio, minDescaleReduction);
87 ByteArrayOutputStream imageData = new ByteArrayOutputStream();
88 processor.writeScaledData(imageData, type);
89 database.setBinaryField("image_data", getId(), imageData.toByteArray());
91 setFieldValue("img_height", new Integer(processor.getScaledHeight()).toString());
92 setFieldValue("img_width", new Integer(processor.getScaledWidth()).toString());
95 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
96 processor.writeScaledData(imageData, type);
97 database.setBinaryField("icon_data", getId(), imageData.toByteArray());
99 setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
100 setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
104 catch (Exception e) {
105 throw new DatabaseFailure(e);
111 * Takes an OutputStream as an argument and reads in the data
112 * from the DB and writes it to the OutputStream.
114 * It will also take care of closing the OutputStream.
116 public byte[] getIcon() throws DatabaseFailure {
118 return database.getBinaryField("select icon_data from images where id="+getId());
120 catch (SQLException e) {
121 throw new DatabaseFailure(e);