Bug 163911 Double style border on row is abnormal when preview in PDF[0300]
Description: The border on row with double style is abnormal when preview in PDF. Build number: 2.2.0.v20061109-0630 Step to reproduce: 1. insert a table 2. choose a row 3. set Style: double Width: thick 4. Preview in PDF Actual result: Refer to the screenshot, it's abnormal Excepted result: It should display same as preview in the web viewer
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
float fontSize = text.getFontInfo().getFontSize();
			float characterSpacing = pdfMeasure( PropertyUtil.getDimensionValue(
		        	style.getProperty(StyleConstants.STYLE_LETTER_SPACING)) );
			float wordSpacing = pdfMeasure( PropertyUtil.getDimensionValue(
		        	style.getProperty(StyleConstants.STYLE_WORD_SPACING)) );
			contentByte.saveState();
			
			contentByte.beginText();
			Color color = PropertyUtil.getColor(style.getProperty(StyleConstants.STYLE_COLOR));   
			if (null != color)
		    {
		    	contentByte.setColorFill(color);
		    	contentByte.setColorStroke( color );
		    }
			contentByte.setFontAndSize(text.getFontInfo().getBaseFont(), fontSize); 
			contentByte.setCharacterSpacing(characterSpacing);
			contentByte.setWordSpacing(wordSpacing);
		    placeText(contentByte, text.getFontInfo(), layoutAreaX2PDF(textX), 
		    		layoutAreaY2PDFEx(textY, text.getFontInfo().getBaseline(), contentByteHeight));
		    contentByte.showText(text.getText());
		    contentByte.endText();
		    contentByte.restoreState();
		        
			 
		    
			if ( IStyle.LINE_THROUGH_VALUE.equals( style
					.getProperty( IStyle.STYLE_TEXT_LINETHROUGH ) ) )
			{
				drawLine(