2 * Copyright (C) 2001 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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
37 * Copyright: Copyright (c) 2001
44 //import java.awt.image.renderable.ParameterBlock;
45 import java.awt.Dimension;
46 import java.awt.Rectangle;
49 public class WebdbImage
52 private Logfile theLog = Logfile.getInstance(MirConfig.getPropWithHome("HTMLTemplateProcessor.Logfile"));
54 public final static int WEBDB_JPG=0;
55 public final static int WEBDB_GIF=1;
57 // default values for scaling
58 private int maxIconSize=120;
59 private int maxImageSize=640;
61 private byte[] iconData;
62 private byte[] imageData;
63 private int imageType;
64 private int iconWidth;
65 private int iconHeight;
67 // internal representation of the image
68 private MagickImage magickImage;
72 public WebdbImage(byte[] image, int type)
77 magickImage = new MagickImage(new ImageInfo(), image);
78 } catch (MagickException e) {theLog.printDebugInfo("fail: "+e.toString());}
82 public WebdbImage(byte[] image, int type, int iconMax)
88 magickImage = new MagickImage(new ImageInfo(), image);
89 } catch (MagickException e) {theLog.printDebugInfo("fail: "+e.toString());}
93 public WebdbImage(byte[] image, int type, int iconMax, int imageMax)
98 maxImageSize=imageMax;
100 magickImage = new MagickImage(new ImageInfo(), image);
101 } catch (MagickException e) {theLog.printDebugInfo("fail: "+e.toString());}
107 public int getIconWidth() throws IOException {
108 if (iconData==null) scaleIcon();
112 public int getIconHeight() throws IOException {
113 if (iconData==null) scaleIcon();
117 public int getImageWidth() {
119 return (int)magickImage.getDimension().getWidth();
120 } catch (MagickException e) { return -1;}
123 public int getImageHeight() {
126 return (int)magickImage.getDimension().getHeight();
127 } catch (MagickException e) { return -1;}
130 public byte[] getImage() {
131 if (imageData==null) {
133 ImageInfo imageInfo = new ImageInfo();
138 imageInfo.setMagickMember("JPG");
140 imageInfo.setMagickMember("JPG");
143 imageData = magickImage.imageToBlob(imageInfo);
144 } catch (MagickException e) {
145 theLog.printDebugInfo("getImage: magick "+e.toString());
151 public byte[] getIcon()
154 if (iconData == null) scaleIcon();
158 private void scaleImage()
159 throws java.io.IOException
161 if (maxImageSize>0 && ( getImageHeight()> maxImageSize|| getImageWidth() >maxImageSize))
164 if (getImageHeight() > getImageWidth())
165 scale = (float)maxImageSize / (float)getImageHeight();
167 scale = (float)maxImageSize / (float)getImageWidth();
170 magickImage = magickImage.scaleImage((int)scale*getImageWidth(), (int)scale*getImageHeight());
171 } catch (MagickException e) {}
175 private void scaleIcon()
176 throws java.io.IOException
178 if (iconData==null) {
180 if (getImageHeight() > getImageWidth())
181 scale = (float)maxIconSize / (float)getImageHeight();
183 scale = (float)maxIconSize / (float)getImageWidth();
186 MagickImage temp = magickImage.scaleImage((int)(scale*getImageWidth()), (int)(scale*getImageHeight()));
187 ImageInfo imageInfo = new ImageInfo();
192 imageInfo.setMagickMember("JPG");
194 imageInfo.setMagickMember("JPG");
196 iconWidth=(int)temp.getDimension().getWidth();
197 iconHeight=(int)temp.getDimension().getHeight();
198 // Put a black rectangle around the border
199 DrawInfo drawInfo = new DrawInfo(imageInfo);
200 drawInfo.setPrimitive("Rectangle 0 0 "+(iconWidth-1)+" "+(iconHeight-1));
201 drawInfo.setStroke(PixelPacket.queryColorDatabase("black"));
202 temp.drawImage(drawInfo);
203 iconData = temp.imageToBlob(imageInfo);
204 } catch (MagickException e) {}