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main/inc/lib/ppt2png/OogieDocumentConverter.java
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239
main/inc/lib/ppt2png/OogieDocumentConverter.java
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//
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//DokeosConverter using JODConverter - Java OpenDocument Converter
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//Eric Marguin <e.marguin@elixir-interactive.com>
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//
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//This library is free software; you can redistribute it and/or
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//modify it under the terms of the GNU Lesser General Public
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//License as published by the Free Software Foundation; either
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//version 2.1 of the License, or (at your option) any later version.
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//
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//This library is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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//Lesser General Public License for more details.
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//http://www.gnu.org/copyleft/lesser.html
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//
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import java.util.Arrays;
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import java.util.Map;
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import org.apache.commons.io.FilenameUtils;
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import com.artofsolving.jodconverter.DocumentConverter;
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import com.artofsolving.jodconverter.DocumentFormatRegistry;
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import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
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import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException;
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import com.artofsolving.jodconverter.openoffice.converter.StreamOpenOfficeDocumentConverter;
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import com.sun.star.awt.Point;
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import com.sun.star.beans.PropertyValue;
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import com.sun.star.container.XNamed;
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import com.sun.star.document.XExporter;
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import com.sun.star.document.XFilter;
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import com.sun.star.drawing.XDrawPage;
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import com.sun.star.drawing.XDrawPages;
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import com.sun.star.drawing.XDrawPagesSupplier;
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import com.sun.star.drawing.XShape;
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import com.sun.star.drawing.XShapes;
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import com.sun.star.frame.XComponentLoader;
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import com.sun.star.lang.XComponent;
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import com.sun.star.lang.XMultiComponentFactory;
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import com.sun.star.text.XText;
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import com.sun.star.uno.UnoRuntime;
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/**
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* Default file-based {@link DocumentConverter} implementation.
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* <p>
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* This implementation passes document data to and from the OpenOffice.org
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* service as file URLs.
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* <p>
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* File-based conversions are faster than stream-based ones (provided by
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* {@link StreamOpenOfficeDocumentConverter}) but they require the
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* OpenOffice.org service to be running locally and have the correct
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* permissions to the files.
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*
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* @see StreamOpenOfficeDocumentConverter
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*/
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public class OogieDocumentConverter extends AbstractDokeosDocumentConverter {
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public OogieDocumentConverter(OpenOfficeConnection connection, int width, int height) {
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super(connection, width, height);
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}
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public OogieDocumentConverter(OpenOfficeConnection connection, DocumentFormatRegistry formatRegistry, int width, int height) {
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super(connection, formatRegistry, width, height);
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}
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protected void loadAndExport(String inputUrl, Map/*<String,Object>*/ loadProperties, String outputUrl, Map/*<String,Object>*/ storeProperties) throws Exception {
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XComponentLoader desktop = openOfficeConnection.getDesktop();
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XComponent document = desktop.loadComponentFromURL(inputUrl, "_blank", 0, toPropertyValues(loadProperties));
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if (document == null) {
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throw new OpenOfficeException("conversion failed: input document is null after loading");
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}
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refreshDocument(document);
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try {
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outputUrl = FilenameUtils.getFullPath(outputUrl)+FilenameUtils.getBaseName(outputUrl);
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// filter
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PropertyValue[] loadProps = new PropertyValue[4];
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// type of image
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loadProps[0] = new PropertyValue();
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loadProps[0].Name = "MediaType";
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loadProps[0].Value = "image/png";
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// Height and width
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PropertyValue[] filterDatas = new PropertyValue[4];
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for(int i = 0; i<4 ; i++){
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filterDatas[i] = new PropertyValue();
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}
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filterDatas[0].Name = "PixelWidth";
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filterDatas[0].Value = new Integer(this.width);
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filterDatas[1].Name = "PixelHeight";
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filterDatas[1].Value = new Integer(this.height);
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filterDatas[2].Name = "LogicalWidth";
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filterDatas[2].Value = new Integer(2000);
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filterDatas[3].Name = "LogicalHeight";
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filterDatas[3].Value = new Integer(2000);
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XDrawPagesSupplier pagesSupplier = (XDrawPagesSupplier) UnoRuntime
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.queryInterface(XDrawPagesSupplier.class, document);
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//System.out.println(pagesSupplier.toString());
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XDrawPages pages = pagesSupplier.getDrawPages();
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int nbPages = pages.getCount();
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String[] slidenames = new String[nbPages];
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Arrays.fill(slidenames,"");
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for (int i = 0; i < nbPages; i++) {
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XDrawPage page = (XDrawPage) UnoRuntime.queryInterface(
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com.sun.star.drawing.XDrawPage.class, pages
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.getByIndex(i));
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// get all the page shapes
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XShapes xShapes = (XShapes)UnoRuntime.queryInterface(XShapes.class, page);
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int top = 0;
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String slidename = "";
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String slidebody = "";
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String shapetext = "";
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for (int j = 0; j < xShapes.getCount(); j++) {
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XShape firstXshape = (XShape)UnoRuntime.queryInterface(XShape.class, xShapes.getByIndex(j));
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Point pos = firstXshape.getPosition();
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XText xText = (XText)UnoRuntime.queryInterface( XText.class, firstXshape );
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if(xText!=null && xText.getString().length()>0)
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{
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shapetext = xText.getString();
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// concatening all shape texts to later use
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slidebody += " " + shapetext;
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// get the top shape
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if(pos.Y < top || top==0)
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{
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top = pos.Y;
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slidename = shapetext;
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}
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}
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}
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// remove unwanted chars
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slidebody = slidebody.replaceAll("\n", " ");
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String slidenameDisplayed = "";
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if(slidename.trim().length()==0)
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{
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slidename = "slide"+(i+1);
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}
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else
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{
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int nbSpaces = 0;
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String formatedSlidename = "";
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slidename = slidename.replaceAll(" ", "_");
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slidename = slidename.replaceAll("\n", "_");
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slidename = slidename.replaceAll("__", "_");
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for(int j=0 ; j<slidename.length() ; j++)
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{
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char currentChar = slidename.charAt(j);
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if(currentChar=='_')
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{
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nbSpaces++;
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}
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if(nbSpaces == 5)
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{
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break;
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}
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formatedSlidename += slidename.charAt(j);
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}
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slidenameDisplayed = formatedSlidename;
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slidename = formatedSlidename.toLowerCase();
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slidename = slidename.replaceAll("\\W", "_");
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slidename = slidename.replaceAll("__", "_");
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slidename = StringOperation.sansAccent(slidename);
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}
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int j=1;
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String slidenamebackup = slidename;
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Arrays.sort(slidenames);
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while(Arrays.binarySearch(slidenames, slidename)>=0)
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{
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j++;
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slidename = slidenamebackup+j;
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}
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slidenames[nbPages-(i+1)] = slidename;
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XNamed xPageName = (XNamed)UnoRuntime.queryInterface(XNamed.class,page);
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xPageName.setName(slidename);
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XMultiComponentFactory localServiceManager = ((DokeosSocketOfficeConnection)this.openOfficeConnection).getServiceManager();
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Object GraphicExportFilter = localServiceManager
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.createInstanceWithContext(
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"com.sun.star.drawing.GraphicExportFilter",
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((DokeosSocketOfficeConnection)this.openOfficeConnection).getComponentContext());
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XExporter xExporter = (XExporter) UnoRuntime
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.queryInterface(XExporter.class,
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GraphicExportFilter);
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XComponent xComp = (XComponent) UnoRuntime
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.queryInterface(XComponent.class, page);
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xExporter.setSourceDocument(xComp);
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loadProps[1] = new PropertyValue();
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loadProps[1].Name = "URL";
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loadProps[1].Value = outputUrl+"/"+xPageName.getName()+".png";
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loadProps[2] = new PropertyValue();
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loadProps[2].Name = "FilterData";
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loadProps[2].Value = filterDatas;
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loadProps[3] = new PropertyValue();
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loadProps[3].Name = "Quality";
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loadProps[3].Value = new Integer(100);
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XFilter xFilter = (XFilter) UnoRuntime.queryInterface(XFilter.class, GraphicExportFilter);
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xFilter.filter(loadProps);
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if(slidenameDisplayed=="")
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slidenameDisplayed = xPageName.getName();
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System.out.println(slidenameDisplayed+"||"+xPageName.getName()+".png"+"||"+slidebody);
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}
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} finally {
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document.dispose();
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}
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}
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}
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