--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/servlet/DigilibPDFWorker.java	Wed Feb 11 16:36:57 2009 +0100
@@ -0,0 +1,228 @@
+/* DigilibImageWorker.java -- worker for image operations
+ * 
+ * Digital Image Library servlet components
+ * 
+ * Copyright (C) 2004 Robert Casties (robcast@mail.berlios.de)
+ * 
+ * This program 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.
+ * 
+ * Please read license.txt for the full details. A copy of the GPL may be found
+ * at http://www.gnu.org/copyleft/lgpl.html
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ *  
+ * Created on 19.10.2004
+ */
+
+package digilib.servlet;
+
+import java.awt.Rectangle;
+import java.awt.geom.Rectangle2D;
+import java.io.IOException;
+
+import javax.servlet.http.HttpServletResponse;
+
+import com.lowagie.text.BadElementException;
+import com.lowagie.text.Document;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.Image;
+import com.lowagie.text.PageSize;
+
+import digilib.image.DocuImage;
+import digilib.image.DocuImageImpl;
+import digilib.image.ImageLoaderDocuImage;
+import digilib.image.ImageOpException;
+import digilib.image.ImageOps;
+import digilib.servlet.DigilibImageWorker;
+import digilib.io.FileOpException;
+import digilib.io.ImageFile;
+
+/**
+ * worker for image operations.
+ * 
+ * @author casties
+ * 
+ */
+public class DigilibPDFWorker extends DigilibImageWorker {
+
+	private DigilibConfiguration dlConfig;
+
+	HttpServletResponse response;
+
+	long startTime;
+
+	String mimeType;
+
+	int scaleQual;
+
+	DigilibRequest dlRequest;
+
+	float paramROT;
+
+	float paramCONT;
+
+	float paramBRGT;
+
+	float[] paramRGBM;
+
+	float[] paramRGBA;
+
+	ImageFile fileToLoad;
+
+	float areaXoff;
+
+	float areaYoff;
+
+	float areaWidth;
+
+	float areaHeight;
+
+	float scaleXY;
+
+	Rectangle2D outerUserImgArea;
+
+	Rectangle2D innerUserImgArea;
+
+	float minSubsample;
+
+	boolean wholeRotArea;
+
+	int forceType;
+	
+	Document doc;
+	
+	
+	//public ImageLoaderDocuImage render();// throws Exception;
+
+
+	/**
+	 * @param dlConfig
+	 * @param response
+	 * @param mimeType
+	 * @param scaleQual
+	 * @param dlRequest
+	 * @param paramROT
+	 * @param paramCONT
+	 * @param paramBRGT
+	 * @param paramRGBM
+	 * @param paramRGBA
+	 * @param fileToLoad
+	 * @param areaXoff
+	 * @param outerUserImgArea
+	 * @param innerUserImgArea
+	 * @param minSubsample
+	 * @param wholeRotArea
+	 * @param forceType
+	 */
+	public DigilibPDFWorker(DigilibConfiguration dlConfig,
+			HttpServletResponse response, String mimeType, int scaleQual,
+			DigilibRequest dlRequest, float paramCONT,
+			float paramBRGT, float[] paramRGBM, float[] paramRGBA,
+			ImageFile fileToLoad, float scaleXY, Rectangle2D outerUserImgArea,
+			Rectangle2D innerUserImgArea, float minSubsample,
+			boolean wholeRotArea, int forceType, Document doc) {
+		super(dlConfig,
+				response, mimeType, scaleQual,
+				dlRequest, 0.0f , paramCONT,
+				paramBRGT, paramRGBM,paramRGBA,
+				fileToLoad, scaleXY, outerUserImgArea,
+				innerUserImgArea,minSubsample,
+				wholeRotArea, forceType);
+		
+		this.dlConfig = dlConfig;
+		this.response = response;
+		this.mimeType = mimeType;
+		this.scaleQual = scaleQual;
+		this.dlRequest = dlRequest;
+		//this.paramROT = paramROT;
+		this.paramCONT = paramCONT;
+		this.paramBRGT = paramBRGT;
+		this.paramRGBM = paramRGBM;
+		this.paramRGBA = paramRGBA;
+		this.fileToLoad = fileToLoad;
+		this.scaleXY = scaleXY;
+		this.outerUserImgArea = outerUserImgArea;
+		this.innerUserImgArea = innerUserImgArea;
+		this.minSubsample = minSubsample;
+		this.wholeRotArea = wholeRotArea;
+		this.forceType = forceType;
+		this.doc = doc;
+	}
+
+	public void run() {
+		//logger.debug((++waitingThreads) + " waiting threads");
+		ImageLoaderDocuImage img = null;
+		try {
+			sem.acquire();
+			//waitingThreads--;
+		} catch (InterruptedException e) {
+			error = e;
+			//waitingThreads--;
+			// should we reinterrupt?
+			return;
+		}
+		//logger.debug((++runningThreads) + " running threads");
+		try {
+			/* 
+			 * do rendering under the semaphore 
+			 */
+			img = (ImageLoaderDocuImage) super.render();
+		} catch (Throwable e) {
+			error = e;
+			logger.error(e);
+		} finally {
+		//	runningThreads--;
+			sem.release();
+		}
+		/* 
+		 * write the result without semaphore
+		 */
+		if (!hasError()) {
+			try{
+				write(img);
+			} catch (Throwable e) {
+				error = e;
+				logger.error(e);
+			}
+		}
+	}
+
+	public void write(ImageLoaderDocuImage img) throws FileOpException, IOException {
+		/* write the resulting image */
+
+
+		try {
+			long timing = System.currentTimeMillis();
+			Image theimg = Image.getInstance(img.getImage(),null);
+			
+			theimg.scaleToFit(PageSize.A4.getWidth(),PageSize.A4.getHeight());
+			
+			logger.debug(" --- loading and scaling took "+(-timing+System.currentTimeMillis())+"ms");
+
+			timing = System.currentTimeMillis();
+			
+			this.doc.add(theimg);
+			logger.debug(" --- adding took "+(-timing+System.currentTimeMillis())+"ms");
+
+		} catch (BadElementException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+			logger.debug("------DigilibPDFWorker write BadElementException");
+
+		} catch (DocumentException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+			logger.debug("------DigilibPDFWorker write DocumentException");
+
+		}
+		
+		logger.info("pdf worker " + this.getName() + " done in "
+				+ (System.currentTimeMillis() - startTime));
+
+	}
+}
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