Bug 315050 [Automation][Regression]Image size is different from golden file when preview as xls
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/layout/ExcelLayoutEngine.java
imageData = imageInfo.getData( );
			int[] imageSize = getImageSize( image, imageInfo, parentSizeInfo,
					imageWidthDpi, imageHeightDpi );
			imageHeight = imageSize[0];
			imageWidth = imageSize[1];
		}
		catch ( IOException ex )
		{
			imageHeight = LayoutUtil.getImageHeight( image.getHeight( ), 0,
					imageHeightDpi );
			imageWidth = LayoutUtil.getImageWidth( image.getWidth( ),
					parentSizeInfo.getWidth( ), 0, imageWidthDpi );
		}
		ColumnsInfo imageColumnsInfo = LayoutUtil.createImage( imageWidth );
		splitColumns( imageColumnsInfo, parentSizeInfo );
		ContainerSizeInfo imageSize = new ContainerSizeInfo( parentSizeInfo
				.getStartCoordinate( ), imageColumnsInfo.getTotalWidth( ) );
		StyleEntry entry = engine.getStyle( style, imageSize, parentSizeInfo,
				getParentStyle( container ) );
		setlinkStyle( entry, link );
		SheetData data = createImageData( image, imageData, imageSize
				.getWidth( ), imageHeight, entry, container );
		data.setHyperlinkDef( link );
		data.setBookmark( bookmark );
		data.setStartX( imageSize.getStartCoordinate( ) );
		data.setEndX( imageSize.getEndCoordinate( ) );
		addData( data );
	}
	private int[] getImageSize( IImageContent image, Image imageInfo,
			ContainerSizeInfo parentSizeInfo, int imageWidthDpi,