Bug 160641 Image from Fragments can not be preview
Details: Image from Fragments can not be preview Step: 1.New an image and select "Image file in BIRT resource folder" 2.Select the image that in Fragments. 3.Preview Actual result: The image can not be preview Excepted result: The image can be preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFImageLM.java
break;
			case IImageContent.IMAGE_NAME :
			case IImageContent.IMAGE_EXPRESSION :
				image = Image.getInstance( content.getData( ) );
				break;
			case IImageContent.IMAGE_URL :
				image = Image.getInstance( new URL( content.getURI( ) ) );
				break;
			default :
				assert ( false );
		}
		if ( image != null )
		{
			Object design = content.getGenerateBy( );
			int resolution = 96;
			if ( design instanceof ExtendedItemDesign )
			{
				resolution = 192;
			}
			return new Dimension( (int) ( image.plainWidth( ) * 1000
					/ resolution * 72 ), (int) ( image.plainHeight( ) * 1000
					/ resolution * 72 ) );
		}
		return null;
	}
	protected Dimension getSpecifiedDimension( IImageContent content )
	{
		Dimension dim = new Dimension( DEFAULT_WIDHT, DEFAULT_HEIGHT );
		Dimension instrinsic = null;
		try