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 mir.log.LoggerWrapper;
34 import mir.media.image.ImageMagickImageProcessor;
35 import mir.media.image.ImageProcessor;
36 import mir.storage.DatabaseFailure;
38 import java.io.ByteArrayOutputStream;
39 import java.io.InputStream;
40 import java.sql.SQLException;
42 public class EntityImages extends EntityUploadedMedia
44 private int maxImageSize = configuration.getInt("Producer.Image.MaxSize");
45 private int maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
46 private float minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
47 private int minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
54 logger = new LoggerWrapper("Entity.UploadedMedia.Images");
58 * Retrieves the image data
60 public byte[] getImage() throws DatabaseFailure {
62 return database.getBinaryField("select image_data from images where id="+getId());
64 catch (SQLException e) {
65 throw new DatabaseFailure(e);
70 * Processes and saves image data
72 public void setImage(InputStream anInputStream, String type) throws DatabaseFailure {
73 if (anInputStream != null) {
75 ImageProcessor processor = new ImageMagickImageProcessor(anInputStream);
77 processor.descaleImage(maxImageSize, minDescaleRatio, minDescaleReduction);
79 ByteArrayOutputStream imageData = new ByteArrayOutputStream();
80 processor.writeScaledData(imageData, type);
81 database.setBinaryField("image_data", getId(), imageData.toByteArray());
83 setFieldValue("img_height", new Integer(processor.getScaledHeight()).toString());
84 setFieldValue("img_width", new Integer(processor.getScaledWidth()).toString());
87 processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
88 processor.writeScaledData(imageData, type);
89 database.setBinaryField("icon_data", getId(), imageData.toByteArray());
91 setFieldValue("icon_height", new Integer(processor.getScaledHeight()).toString());
92 setFieldValue("icon_width", new Integer(processor.getScaledWidth()).toString());
97 throw new DatabaseFailure(e);
103 * Takes an OutputStream as an argument and reads in the data
104 * from the DB and writes it to the OutputStream.
106 * It will also take care of closing the OutputStream.
108 public byte[] getIcon() throws DatabaseFailure {
110 return database.getBinaryField("select icon_data from images where id="+getId());
112 catch (SQLException e) {
113 throw new DatabaseFailure(e);