Bug 204235 Background image can not be shown when preview as PPT [1205]
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
}
		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 );
		Position areaSize = new Position( width, height );
		Position imagePosition = new Position( x + positionX, y + positionY );
		
		
		Position imageSize = new Position( imageWidth, imageHeight );
		BackgroundImageLayout layout = new BackgroundImageLayout( areaPosition,
				areaSize, imagePosition, imageSize );
		Collection positions = layout.getImagePositions( repeat );
		Iterator iterator = positions.iterator( );
		while ( iterator.hasNext( ) )
		{
			Position position = (Position) iterator.next( );
			exportImageDefn( imageName, imageTitle, imageWidth, imageHeight,
					position.getX( ), position.getY( ) );
		}
	}
}