Bug 194371 Use page emitter framework to implement ppt emitter.
In order to keep consistent with pdf and postscript, ppt need to use page emitter framework.
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTRender.java
else if ( lineStyle.equalsIgnoreCase( "double" ) )
			{
				pptOutput.write( ( "<v:stroke linestyle=3D\"thinThin\"/>\n" ).getBytes( ) );
			}
			else
			{
				pptOutput.write( ( "/>\n" ).getBytes( ) );
				return;
			}
			pptOutput.write( ( ">\n" ).getBytes( ) );
			pptOutput.write( ( "</v:line>\n" ).getBytes( ) );
		}
		catch ( IOException ioe )
		{
			logger.log( Level.WARNING, ioe.getMessage( ), ioe );
		}
	}
	/**
	 * Draws the background color of the PPT.
	 * 
	 * @param color
	 *            the color to be drawed
	 * @param x
	 *            the start X coordinate
	 * @param y
	 *            the start Y coordinate
	 * @param width
	 *            the width of the background dimension
	 * @param height
	 *            the height of the background dimension