Bug 203938 Space will be trimed in text when preview as PPT [1205]
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
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 );
		}
		else
		{
			
			String extension = getImageExtension( imageURI );
			imageName = imageTitle + "." + extension;
			imageNames.put( imageTitle, imageName );
			imageExtensions.put( imageTitle, extension );
			recordFileLists( imageName );
			currentImageData.put( imageTitle, imageData );
		}
		Position areaPosition = new Position( x, y );