String fileTypeString(int filetype) {
		if (filetype == SWT.IMAGE_BMP)
			return "BMP";
		if (filetype == SWT.IMAGE_BMP_RLE)
			return "RLE" + imageData.depth + " BMP";
		if (filetype == SWT.IMAGE_OS2_BMP)
			return "OS/2 BMP";
		if (filetype == SWT.IMAGE_GIF)
			return "GIF";
		if (filetype == SWT.IMAGE_ICO)
			return "ICO";
		if (filetype == SWT.IMAGE_JPEG)
			return "JPEG";
		if (filetype == SWT.IMAGE_PNG)
			return "PNG";
		if (filetype == SWT.IMAGE_TIFF)
			return "TIFF";
		return bundle.getString("Unknown_ac");
	}