+/*
+ * 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;
/**
*/
import java.io.*;
+import java.util.Vector;
import javax.media.jai.*;
import com.sun.media.jai.codec.*;
import java.awt.image.renderable.ParameterBlock;
public class WebdbImage
{
- // imageTypes
- public final static int WEBDB_JPG=0;
- public final static int WEBDB_GIF=1;
-
// default values for scaling
private int maxIconSize=120;
private int maxImageSize=640;
private byte[] iconData;
private byte[] imageData;
- private int imageType;
private int iconWidth;
private int iconHeight;
// internal representation of the image
private PlanarImage planarImage;
+ // type of the image
+ private String _type;
+
// constructor
- public WebdbImage(byte[] image, int type)
+ public WebdbImage(byte[] image, String type)
throws IOException
{
- imageType=type;
planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
+ _type = type;
scaleImage();
}
- public WebdbImage(byte[] image, int type, int iconMax)
+ public WebdbImage(byte[] image, String type, int iconMax)
throws IOException
{
- imageType=type;
maxIconSize=iconMax;
planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
+ _type = type;
scaleImage();
}
- public WebdbImage(byte[] image, int type, int iconMax, int imageMax)
+ public WebdbImage(byte[] image, String type, int iconMax, int imageMax)
throws IOException
{
- imageType=type;
maxIconSize=iconMax;
maxImageSize=imageMax;
planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
+ _type = type;
scaleImage();
}
-
// acc3ssor-methods
public int getIconWidth() throws IOException {
if (iconData==null) scaleIcon();
public byte[] getImage() {
if (imageData==null) {
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
-
- switch (imageType) {
- case WEBDB_JPG:
- JAI.create("encode", planarImage, outStream, "JPEG", null);break;
- case WEBDB_GIF:
- JAI.create("encode", planarImage, outStream, "JPEG", null);break;
- default:
- System.err.println("unknown image format: " + imageType);
- }
-
+ JAI.create("encode", planarImage, outStream, _type, null);
imageData = outStream.toByteArray();
}
return imageData;
{
if (maxImageSize>0 && ( getImageHeight()> maxImageSize|| getImageWidth() >maxImageSize))
{
+ System.out.println("SCALE_IMAGE");
float scale;
+ ParameterBlockJAI params = new ParameterBlockJAI("scale");
+ params.addSource(planarImage);
if (getImageHeight() > getImageWidth())
- scale = (float)maxImageSize / (float)getImageHeight();
- else
- scale = (float)maxImageSize / (float)getImageWidth();
-
- InterpolationBilinear interp = new InterpolationBilinear();
- planarImage = JAI.create("scale", planarImage, scale, scale, 0.0F, 0.0F, interp);
+ scale = (float)maxImageSize / (float)getImageHeight();
+ else
+ scale = (float)maxImageSize / (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 = JAI.create("scale", params);
}
}
private void scaleIcon()
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();
-
- InterpolationBilinear interp = new InterpolationBilinear();
- PlanarImage temp = JAI.create("scale", planarImage, scale, scale, 0.0F, 0.0F, interp);
+ 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 gif */
- switch (imageType) {
- case WEBDB_JPG:
- JAI.create("encode", temp, outStream, "JPEG", null);break;
- case WEBDB_GIF:
- JAI.create("encode", temp, outStream, "JPEG", null);break;
- default:
- System.err.println("unknown image format: " + imageType);
- }
+ JAI.create("encode", temp, outStream, _type, null);
iconData = outStream.toByteArray();
iconWidth=temp.getWidth();
iconHeight=temp.getHeight();
projects / mir.git / blobdiff