+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with the com.oreilly.servlet library, any library
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of
+ * the above that use the same license as the above), and distribute linked
+ * combinations including the two. You must obey the GNU General Public
+ * License in all respects for all of the code used other than the above
+ * mentioned libraries. If you modify this file, you may extend this exception
+ * to your version of the file, but you are not obligated to do so. If you do
+ * not wish to do so, delete this exception statement from your version.
+ */
+
package mir.misc;
/**
* Title:
* Description:
- * Copyright: Copyright (c) 2001
- * Company: Indymedia
- * @author
- * @version 1.0
+ * Copyright: Copyright (c) 2002 Mir-coders
+ * @author $Author: mh $
+ * @version $Id: WebdbImage.java,v 1.6.4.2 2002/11/01 05:38:20 mh Exp $
*/
import java.io.*;
import java.util.Vector;
+import java.util.Random;
import javax.media.jai.*;
import com.sun.media.jai.codec.*;
import java.awt.image.renderable.ParameterBlock;
private int maxIconSize=120;
private int maxImageSize=640;
- private byte[] iconData;
- private byte[] imageData;
private int iconWidth;
private int iconHeight;
+ Random r = new Random();
+
// internal representation of the image
private PlanarImage planarImage;
+ // type of the image
+ private String _type;
- // constructor
- public WebdbImage(byte[] image)
- throws IOException
- {
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
- scaleImage();
- }
-
- public WebdbImage(byte[] image, int iconMax)
- throws IOException
- {
- maxIconSize=iconMax;
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
- scaleImage();
- }
- public WebdbImage(byte[] image, int iconMax, int imageMax)
+ // constructor
+ // takes a temporary file as a parameter
+ public WebdbImage(File f, String type)
throws IOException
{
- maxIconSize=iconMax;
- maxImageSize=imageMax;
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
+ // It has to be a FileSeekableStream cause the image conversion
+ // needs to seek backwards.
+ planarImage = JAI.create("stream",new FileSeekableStream(f));
+ _type = type;
scaleImage();
}
-
// acc3ssor-methods
+ // must be run after scaleIcon()
public int getIconWidth() throws IOException {
- if (iconData==null) scaleIcon();
return iconWidth;
}
+ // must be run after scaleIcon()
public int getIconHeight() throws IOException {
- if (iconData==null) scaleIcon();
return iconHeight;
}
return (int)planarImage.getHeight();
}
- public byte[] getImage() {
- if (imageData==null) {
- ByteArrayOutputStream outStream = new ByteArrayOutputStream();
- // @todo the choice of PNG or JPEG should be made configurable
- JAI.create("encode", planarImage, outStream, "PNG", null);
- imageData = outStream.toByteArray();
- }
- return imageData;
+ public void setImage(OutputStream outStream) {
+ JAI.create("encode", planarImage, outStream, _type, null);
}
- public byte[] getIcon()
+ public void setIcon(OutputStream outStream)
throws IOException
{
- if (iconData == null) scaleIcon();
- return iconData;
+ scaleIcon(outStream);
}
private void scaleImage()
{
if (maxImageSize>0 && ( getImageHeight()> maxImageSize|| getImageWidth() >maxImageSize))
{
- System.out.println("SCALE_IMAGE");
float scale;
ParameterBlockJAI params = new ParameterBlockJAI("scale");
params.addSource(planarImage);
}
}
- private void scaleIcon()
+ private void scaleIcon(OutputStream outStream)
throws java.io.IOException
{
- System.out.println("SCALE_ICON");
- if (iconData==null) {
- float scale;
- ParameterBlockJAI params = new ParameterBlockJAI("scale");
- params.addSource(planarImage);
- if (getImageHeight() > getImageWidth())
- scale = (float)maxIconSize / (float)getImageHeight();
- else
- scale = (float)maxIconSize / (float)getImageWidth();
-
- params.setParameter("xScale", scale);
- params.setParameter("yScale", scale);
- params.setParameter("xTrans",0.0F);
- params.setParameter("yTrans",0.0F);
- params.setParameter("interpolation",new InterpolationBilinear());
- PlanarImage temp = JAI.create("scale", params);
- ByteArrayOutputStream outStream = new ByteArrayOutputStream();
- // @todo the choice of PNG or JPEG should be made configurable
- JAI.create("encode", temp, outStream, "PNG", null);
- iconData = outStream.toByteArray();
- iconWidth=temp.getWidth();
- iconHeight=temp.getHeight();
- }
+ float scale;
+ ParameterBlockJAI params = new ParameterBlockJAI("scale");
+ params.addSource(planarImage);
+ if (getImageHeight() > getImageWidth())
+ scale = (float)maxIconSize / (float)getImageHeight();
+ else
+ scale = (float)maxIconSize / (float)getImageWidth();
+
+ params.setParameter("xScale", scale);
+ params.setParameter("yScale", scale);
+ params.setParameter("xTrans",0.0F);
+ params.setParameter("yTrans",0.0F);
+ params.setParameter("interpolation",new InterpolationBilinear());
+ PlanarImage temp = JAI.create("scale", params);
+ JAI.create("encode", temp, outStream, _type, null);
+ iconWidth=temp.getWidth();
+ iconHeight=temp.getHeight();
}
}
projects / mir.git / blobdiff