Bug 201847 [Regression] Italic does not work in PPT [1205]
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
imageStream = url.openStream( );
			Image image = ImageIO.read( imageStream );
			ImageIcon imageIcon = new ImageIcon( image );
			imageWidth = imageIcon.getIconWidth( );
			imageHeight = imageIcon.getIconHeight( );
		}
		catch ( IOException ioe )
		{
			logger.log( Level.WARNING, ioe.getMessage( ), ioe );
		}
		finally
		{
			if ( imageStream != null )
			{
				try
				{
					imageStream.close( );
				}
				catch ( IOException e )
				{
				}
			}
		}
		String imageTitle = "slide" + currentPageNum + "_image"
				+ ( ++shapeCount );
		imageTitles.add( imageTitle );
		String imageName;
		if ( imageNames.containsKey( imageURI ) )
		{
			imageName = (String) imageNames.get( imageURI );