-package mir.misc;
-
-/**
- * Title:
- * Description:
- * Copyright: Copyright (c) 2001
- * Company: Indymedia
- * @author
- * @version 1.0
- */
-
-import java.io.*;
-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;
-
-
- // constructor
- public WebdbImage(byte[] image, int type)
- throws IOException
- {
- imageType=type;
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
- scaleImage();
- }
-
- public WebdbImage(byte[] image, int type, int iconMax)
- throws IOException
- {
- imageType=type;
- maxIconSize=iconMax;
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
- scaleImage();
- }
-
- public WebdbImage(byte[] image, int type, int iconMax, int imageMax)
- throws IOException
- {
- imageType=type;
- maxIconSize=iconMax;
- maxImageSize=imageMax;
- planarImage = JAI.create("stream",new ByteArraySeekableStream(image));
- scaleImage();
- }
-
-
- // acc3ssor-methods
- public int getIconWidth() throws IOException {
- if (iconData==null) scaleIcon();
- return iconWidth;
- }
-
- public int getIconHeight() throws IOException {
- if (iconData==null) scaleIcon();
- return iconHeight;
- }
-
- public int getImageWidth() {
- return (int)planarImage.getWidth();
- }
-
- public int getImageHeight() {
- return (int)planarImage.getHeight();
- }
-
- 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);
- }
-
- imageData = outStream.toByteArray();
- }
- return imageData;
- }
-
- public byte[] getIcon()
- throws IOException
- {
- if (iconData == null) scaleIcon();
- return iconData;
- }
-
- private void scaleImage()
- throws java.io.IOException
- {
- if (maxImageSize>0 && ( getImageHeight()> maxImageSize|| getImageWidth() >maxImageSize))
- {
- float scale;
- 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);
- }
- }
-
- private void scaleIcon()
- throws java.io.IOException
- {
- if (iconData==null) {
- float scale;
- 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);
- 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);
- }
- iconData = outStream.toByteArray();
- iconWidth=temp.getWidth();
- iconHeight=temp.getHeight();
- }
- }
-
-}
+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with the com.oreilly.servlet library, any library\r
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced\r
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of\r
+ * the above that use the same license as the above), and distribute linked\r
+ * combinations including the two. You must obey the GNU General Public\r
+ * License in all respects for all of the code used other than the above\r
+ * mentioned libraries. If you modify this file, you may extend this exception\r
+ * to your version of the file, but you are not obligated to do so. If you do\r
+ * not wish to do so, delete this exception statement from your version.\r
+ */\r
+\r
+package mir.misc;\r
+\r
+/**\r
+ * Title:\r
+ * Description:\r
+ * Copyright: Copyright (c) 2002 Mir-coders\r
+ * @author $Author: idfx $\r
+ * @version $Id: WebdbImage.java,v 1.12 2003/03/05 19:23:14 idfx Exp $\r
+ */\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.io.OutputStream;\r
+import java.util.Random;\r
+\r
+import javax.media.jai.InterpolationBilinear;\r
+import javax.media.jai.JAI;\r
+import javax.media.jai.ParameterBlockJAI;\r
+import javax.media.jai.PlanarImage;\r
+\r
+import mir.config.MirPropertiesConfiguration;\r
+\r
+import com.sun.media.jai.codec.FileSeekableStream;\r
+\r
+public class WebdbImage\r
+{\r
+\r
+ // default values for scaling\r
+ private int maxIconSize;\r
+ private int maxImageSize;\r
+\r
+ private int iconWidth;\r
+ private int iconHeight;\r
+\r
+ Random r = new Random();\r
+\r
+ // internal representation of the image\r
+ private PlanarImage planarImage;\r
+\r
+ // type of the image\r
+ private String _type;\r
+\r
+ private WebdbImage() {\r
+ }\r
+\r
+ // constructor\r
+ // takes a temporary file as a parameter\r
+ public WebdbImage(File f, String type) throws Exception {\r
+ // It has to be a FileSeekableStream cause the image conversion\r
+ // needs to seek backwards.\r
+ maxImageSize = MirPropertiesConfiguration.instance().getInt("Producer.Image.MaxSize");\r
+ maxIconSize = MirPropertiesConfiguration.instance().getInt("Producer.Image.MaxIconSize");\r
+\r
+ planarImage = JAI.create("stream", new FileSeekableStream(f));\r
+ _type = type;\r
+ scaleImage();\r
+ }\r
+\r
+ // acc3ssor-methods\r
+ // must be run after scaleIcon()\r
+ public int getIconWidth() throws IOException {\r
+ return iconWidth;\r
+ }\r
+\r
+ // must be run after scaleIcon()\r
+ public int getIconHeight() throws IOException {\r
+ return iconHeight;\r
+ }\r
+\r
+ public int getImageWidth() {\r
+ return (int) planarImage.getWidth();\r
+ }\r
+\r
+ public int getImageHeight() {\r
+ return (int) planarImage.getHeight();\r
+ }\r
+\r
+ public void setImage(OutputStream outStream) {\r
+ JAI.create("encode", planarImage, outStream, _type, null);\r
+ }\r
+\r
+ public void setIcon(OutputStream outStream) throws IOException {\r
+ scaleIcon(outStream);\r
+ }\r
+\r
+ private void scaleImage() throws java.io.IOException {\r
+ if (maxImageSize > 0 &&\r
+ (getImageHeight() > maxImageSize || getImageWidth() > maxImageSize)) {\r
+ float scale;\r
+ ParameterBlockJAI params = new ParameterBlockJAI("scale");\r
+ params.addSource(planarImage);\r
+ if (getImageHeight() > getImageWidth())\r
+ scale = (float) maxImageSize / (float) getImageHeight();\r
+ else\r
+ scale = (float) maxImageSize / (float) getImageWidth();\r
+\r
+ params.setParameter("xScale", scale);\r
+ params.setParameter("yScale", scale);\r
+ params.setParameter("xTrans", 0.0F);\r
+ params.setParameter("yTrans", 0.0F);\r
+ params.setParameter("interpolation", new InterpolationBilinear());\r
+ planarImage = JAI.create("scale", params);\r
+ }\r
+ }\r
+\r
+ private void scaleIcon(OutputStream outStream) throws java.io.IOException {\r
+ float scale;\r
+ ParameterBlockJAI params = new ParameterBlockJAI("scale");\r
+ params.addSource(planarImage);\r
+ if (getImageHeight() > getImageWidth())\r
+ scale = (float) maxIconSize / (float) getImageHeight();\r
+ else\r
+ scale = (float) maxIconSize / (float) getImageWidth();\r
+\r
+ params.setParameter("xScale", scale);\r
+ params.setParameter("yScale", scale);\r
+ params.setParameter("xTrans", 0.0F);\r
+ params.setParameter("yTrans", 0.0F);\r
+ params.setParameter("interpolation", new InterpolationBilinear());\r
+ PlanarImage temp = JAI.create("scale", params);\r
+ JAI.create("encode", temp, outStream, _type, null);\r
+ iconWidth = temp.getWidth();\r
+ iconHeight = temp.getHeight();\r
+ }\r
+\r
+}
\ No newline at end of file
projects / mir.git / blobdiff