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
"solid" ); 
						break;
				}
			}
		}
	}
	/**
	 * Draws a chunk of text on the PPT.
	 * 
	 * @param text
	 *            the textArea to be drawed.
	 * @param textX
	 *            the X position of the textArea relative to current page.
	 * @param textY
	 *            the Y position of the textArea relative to current page.
	 * @param contentByte
	 *            the content byte to draw the text.
	 * @param contentByteHeight
	 *            the height of the content byte.
	 */
	protected void drawTextAt( ITextArea text, int textX, int textY )
	{
		if ( text == null )
		{
			return;
		}
		IStyle style = text.getStyle( );
		assert style != null;
		FontInfo fontInfo = text.getFontInfo( );