+++ /dev/null
-/*
- * 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 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) 2002 Mir-coders
- * @author $Author: idfx $
- * @version $Id: WebdbImage.java,v 1.14 2003/04/21 12:42:52 idfx Exp $
- */
-
-import java.io.File;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.Random;
-
-import javax.media.jai.InterpolationBilinear;
-import javax.media.jai.JAI;
-import javax.media.jai.ParameterBlockJAI;
-import javax.media.jai.PlanarImage;
-
-import mir.config.MirPropertiesConfiguration;
-
-import com.sun.media.jai.codec.FileSeekableStream;
-
-public class WebdbImage
-{
-
- // default values for scaling
- private int maxIconSize;
- private int maxImageSize;
-
- 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;
-
- private WebdbImage() {
- }
-
- // constructor
- // takes a temporary file as a parameter
- public WebdbImage(File f, String type) throws Exception {
- // It has to be a FileSeekableStream cause the image conversion
- // needs to seek backwards.
- maxImageSize = MirPropertiesConfiguration.instance().getInt("Producer.Image.MaxSize");
- maxIconSize = MirPropertiesConfiguration.instance().getInt("Producer.Image.MaxIconSize");
-
- planarImage = JAI.create("stream", new FileSeekableStream(f));
- _type = type;
- scaleImage();
- }
-
- // acc3ssor-methods
- // must be run after scaleIcon()
- public int getIconWidth() throws IOException {
- return iconWidth;
- }
-
- // must be run after scaleIcon()
- public int getIconHeight() throws IOException {
- return iconHeight;
- }
-
- public int getImageWidth() {
- return (int) planarImage.getWidth();
- }
-
- public int getImageHeight() {
- return (int) planarImage.getHeight();
- }
-
- public void setImage(OutputStream outStream) {
- JAI.create("encode", planarImage, outStream, _type, null);
- }
-
- public void setIcon(OutputStream outStream) throws IOException {
- scaleIcon(outStream);
- }
-
- private void scaleImage() throws java.io.IOException {
- if (maxImageSize > 0 &&
- (getImageHeight() > maxImageSize || getImageWidth() > maxImageSize)) {
- float scale;
- ParameterBlockJAI params = new ParameterBlockJAI("scale");
- params.addSource(planarImage);
- if (getImageHeight() > getImageWidth())
- 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(OutputStream outStream) throws java.io.IOException {
- 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();
- }
-
-}
\ No newline at end of file
* 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 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.
+ * the code of this program with 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.
*/
import java.sql.SQLException;
import java.sql.Statement;
+import org.postgresql.largeobject.BlobInputStream;
+import org.postgresql.largeobject.LargeObject;
+import org.postgresql.largeobject.LargeObjectManager;
+
import mir.config.MirPropertiesConfiguration;
import mir.log.LoggerWrapper;
import mir.misc.FileUtil;
-import mir.misc.WebdbImage;
import mir.storage.StorageObject;
import mir.storage.StorageObjectFailure;
-
-import org.postgresql.largeobject.BlobInputStream;
-import org.postgresql.largeobject.LargeObject;
-import org.postgresql.largeobject.LargeObjectManager;
+import mircoders.media.ImageProcessor;
/**
* Diese Klasse enth?lt die Daten eines MetaObjekts
*
* @author RK, mh, mir-coders
- * @version $Id: EntityImages.java,v 1.20 2003/04/21 12:42:53 idfx Exp $
+ * @version $Id: EntityImages.java,v 1.21 2003/04/30 00:37:27 zapata Exp $
*/
public class EntityImages extends EntityUploadedMedia
{
+ private int maxImageSize = configuration.getInt("Producer.Image.MaxSize");
+ private int maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
+ private float minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
+ private int minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
+
public EntityImages()
{
return img_in;
}
- public void setImage(InputStream in, String type)
- throws StorageObjectFailure {
+ public void setImage(InputStream in, String type) throws StorageObjectFailure {
if (in != null) {
+
Connection con = null;
PreparedStatement pstmt = null;
File f = null;
try {
logger.debug("EntityImages.settimage :: making internal representation of image");
- File tempDir = new File(MirPropertiesConfiguration.instance().getString("TempDir"));
- f = File.createTempFile("mir", ".tmp", tempDir);
+ f = File.createTempFile("mir", ".tmp",
+ new File(MirPropertiesConfiguration.instance().getString("TempDir")));
FileUtil.write(f, in);
- WebdbImage webdbImage= new WebdbImage(f, type);
- logger.debug("EntityImages.settimage :: made internal representation of image");
+ ImageProcessor processor = new ImageProcessor(f);
con = theStorageObject.getPooledCon();
con.setAutoCommit(false);
- logger.debug("EntityImages.settimage :: trying to insert image");
-
- // setting values
LargeObjectManager lom;
- java.sql.Connection jCon;
- jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)
- .getNativeConnection();
+ java.sql.Connection connection;
+ connection = ((com.codestudio.sql.PoolManConnectionHandle)con).getNativeConnection();
- lom = ((org.postgresql.Connection) jCon).getLargeObjectAPI();
+ lom = ((org.postgresql.Connection) connection).getLargeObjectAPI();
int oidImage = lom.create();
- int oidIcon = lom.create();
LargeObject lobImage = lom.open(oidImage);
- LargeObject lobIcon = lom.open(oidIcon);
- webdbImage.setImage(lobImage.getOutputStream());
- webdbImage.setIcon(lobIcon.getOutputStream());
+ processor.descaleImage(maxImageSize, minDescaleRatio, minDescaleReduction);
+ processor.writeScaledData(lobImage.getOutputStream(), type);
lobImage.close();
+ setValueForProperty("img_height", new Integer(processor.getScaledHeight()).toString());
+ setValueForProperty("img_width", new Integer(processor.getScaledWidth()).toString());
+
+ int oidIcon = lom.create();
+ LargeObject lobIcon = lom.open(oidIcon);
+ processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
+ processor.writeScaledData(lobIcon.getOutputStream(), type);
lobIcon.close();
- setValueForProperty("img_height", new Integer(webdbImage.getImageHeight()).toString());
- setValueForProperty("img_width", new Integer(webdbImage.getImageWidth()).toString());
- setValueForProperty("icon_height", new Integer(webdbImage.getIconHeight()).toString());
- setValueForProperty("icon_width", new Integer(webdbImage.getIconWidth()).toString());
+ setValueForProperty("icon_height", new Integer(processor.getScaledHeight()).toString());
+ setValueForProperty("icon_width", new Integer(processor.getScaledWidth()).toString());
+
setValueForProperty("image_data", new Integer(oidImage).toString());
setValueForProperty("icon_data", new Integer(oidIcon).toString());
update();
- } catch (Exception e) {
+ }
+ catch (Exception e) {
throwStorageObjectFailure(e, "settimage :: setImage gescheitert: ");
- } finally {
+ }
+ finally {
try {
if (con!=null)
con.setAutoCommit(true);
* 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 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.
+ * the code of this program with 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 mircoders.media;
*
* @see mir.media.MirMedia
* @author mh
- * @version $Id: MediaHandlerImages.java,v 1.22 2003/04/21 12:42:48 idfx Exp $
+ * @version $Id: MediaHandlerImages.java,v 1.23 2003/04/30 00:37:27 zapata Exp $
*/
projects / mir.git / commitdiff