Actualización

main/inc/lib/ppt2png/WoogieDocumentConverter.java

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+//
+//DokeosConverter using JODConverter - Java OpenDocument Converter
+//Eric Marguin <e.marguin@elixir-interactive.com>
+//
+//This library is free software; you can redistribute it and/or
+//modify it under the terms of the GNU Lesser General Public
+//License as published by the Free Software Foundation; either
+//version 2.1 of the License, or (at your option) any later version.
+//
+//This library 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
+//Lesser General Public License for more details.
+//http://www.gnu.org/copyleft/lesser.html
+//
+
+import java.util.Map;
+
+import org.apache.commons.io.FilenameUtils;
+
+import com.artofsolving.jodconverter.DocumentConverter;
+import com.artofsolving.jodconverter.DocumentFormatRegistry;
+import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
+import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException;
+import com.artofsolving.jodconverter.openoffice.converter.StreamOpenOfficeDocumentConverter;
+import com.sun.star.beans.PropertyValue;
+import com.sun.star.frame.XComponentLoader;
+import com.sun.star.frame.XController;
+import com.sun.star.frame.XDesktop;
+import com.sun.star.frame.XModel;
+import com.sun.star.frame.XStorable;
+import com.sun.star.lang.XComponent;
+import com.sun.star.text.XPageCursor;
+import com.sun.star.text.XText;
+import com.sun.star.text.XTextCursor;
+import com.sun.star.text.XTextViewCursor;
+import com.sun.star.text.XTextViewCursorSupplier;
+import com.sun.star.uno.UnoRuntime;
+
+/**
+ * Default file-based {@link DocumentConverter} implementation.
+ * <p>
+ * This implementation passes document data to and from the OpenOffice.org
+ * service as file URLs.
+ * <p>
+ * File-based conversions are faster than stream-based ones (provided by
+ * {@link StreamOpenOfficeDocumentConverter}) but they require the
+ * OpenOffice.org service to be running locally and have the correct
+ * permissions to the files.
+ * 
+ * @see StreamOpenOfficeDocumentConverter
+ */
+public class WoogieDocumentConverter extends AbstractDokeosDocumentConverter {
+	
+	public WoogieDocumentConverter(OpenOfficeConnection connection, int width, int height) {		
+		super(connection, width, height);
+	}
+
+	public WoogieDocumentConverter(OpenOfficeConnection connection, DocumentFormatRegistry formatRegistry, int width, int height) {
+		super(connection, formatRegistry, width, height);
+	}
+
+	protected void loadAndExport(String inputUrl, Map/*<String,Object>*/ loadProperties, String outputUrl, Map/*<String,Object>*/ storeProperties) throws Exception {
+		XComponentLoader desktop = openOfficeConnection.getDesktop();
+		XComponent document = desktop.loadComponentFromURL(inputUrl, "_blank", 0, null);
+		
+        
+		if (document == null) {
+            throw new OpenOfficeException("conversion failed: input document is null after loading");
+        }
+		
+		refreshDocument(document);
+		
+		try {
+			
+//			 filter
+			PropertyValue[] loadProps = new PropertyValue[4];
+			
+			// type of image
+			loadProps[0] = new PropertyValue();
+			loadProps[0].Name = "MediaType";
+			loadProps[0].Value = "image/png";
+			
+			// Height and width
+			PropertyValue[] filterDatas = new PropertyValue[4];
+			for(int i = 0; i<4 ; i++){
+				filterDatas[i] = new PropertyValue();
+			}
+			
+			filterDatas[0].Name = "PixelWidth";
+			filterDatas[0].Value = new Integer(this.width);
+			filterDatas[1].Name = "PixelHeight";
+			filterDatas[1].Value = new Integer(this.height);
+			filterDatas[2].Name = "LogicalWidth";
+			filterDatas[2].Value = new Integer(2000);
+			filterDatas[3].Name = "LogicalHeight";
+			filterDatas[3].Value = new Integer(2000);
+			filterDatas[3].Name = "CharacterSet";
+			filterDatas[3].Value = "iso-8859-15";
+//			 query its XDesktop interface, we need the current component
+
+		    XDesktop xDesktop = (XDesktop)UnoRuntime.queryInterface(
+
+		         XDesktop.class, desktop);
+			
+
+		    XModel xModel = (XModel)UnoRuntime.queryInterface(XModel.class, document);
+
+		    // the model knows its controller
+
+		    XController xController = xModel.getCurrentController();
+
+		    XTextViewCursorSupplier xViewCursorSupplier = (XTextViewCursorSupplier) UnoRuntime.queryInterface(XTextViewCursorSupplier.class, xController);	
+		    
+		    // get the cursor 
+		    XTextViewCursor xViewCursor = xViewCursorSupplier.getViewCursor();
+		    
+
+		    XPageCursor xPageCursor = (XPageCursor)UnoRuntime.queryInterface(
+
+		        XPageCursor.class, xViewCursor);
+		    
+
+		    XText xDocumentText = xViewCursor.getText();
+
+		    
+
+		    XTextCursor xModelCursor = xDocumentText.createTextCursorByRange(xViewCursor);
+		        
+		        
+		    do{ // swith to the next page
+		    	
+		    	// select the current page of document with the cursor
+		    	xPageCursor.jumpToEndOfPage();
+		    	xModelCursor.gotoRange(xViewCursor,false);
+		    	xModelCursor.setString("||page_break||");
+
+		    } while(xPageCursor.jumpToNextPage());
+
+			
+			
+		} finally {
+
+		   // store the document
+		    XStorable storable = (XStorable) UnoRuntime.queryInterface(XStorable.class, document);
+		    storeProperties.put("CharacterSet", "UTF-8");
+			storable.storeToURL(outputUrl, toPropertyValues(storeProperties));
+			document.dispose();
+		}
+	}
+}