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
{
		currentPageNum++;
		currentImageData.clear( );
		imageTitles.clear( );
		this.pageWidth = pageWidth;
		this.pageHeight = pageHeight;
		println( "--___Actuate_Content_Boundary___" ); 
		println( "Content-Location: file:///C:/___Actuate___/s" + currentPageNum + "" ); 
		println( "Content-Transfer-Encoding: quoted-printable" ); 
		println( "Content-Type: text/html; charset=\"utf-8\"" ); 
		println( "" ); 
		println( "<html" ); 
		println( " xmlns=3D'http://www.w3.org/TR/REC-html40'" ); 
		println( " xmlns:o=3D'urn:schemas-microsoft-com:office:office'" ); 
		println( " xmlns:p=3D'urn:schemas-microsoft-com:office:powerpoint'" ); 
		println( " xmlns:v=3D'urn:schemas-microsoft-com:vml'" ); 
		println( ">" ); 
		println( "<head/><body><p:slide>" ); 
		println( "<meta http-equiv=3D'Content-Type' content=3D'text/html; charset=3Dutf-8'>" ); 
		drawBackgroundColor( backgroundColor, 0, 0, pageWidth, pageHeight );
	}
	private String getFontName( BaseFont baseFont )
	{
		String[][] familyFontNames = baseFont.getFamilyFontName( );
		String[] family = familyFontNames[0];
		String fontName = family[family.length - 1];
		return fontName;
	}
	/**
	 * Draws a chunk of text on the PPT.