Method openLut

ij/src/main/java/ij/plugin/LutLoader.java:303–330

Opens a LUT and returns it as a LUT object.

(String pathOrURL)

	
	/** Opens a LUT and returns it as a LUT object. */
	public static LUT openLut(String pathOrURL) {
		boolean noError = pathOrURL.startsWith("noerror:");
		if (noError)
			pathOrURL = pathOrURL.substring(8);
		FileInfo fi = new FileInfo();
		fi.reds = new byte[256]; 
		fi.greens = new byte[256]; 
		fi.blues = new byte[256];
		fi.lutSize = 256;
		int nColors = 0;
		if (pathOrURL.contains("://")) {
			fi.url = pathOrURL;
			fi.fileName = "";
		} else {
			OpenDialog od = new OpenDialog("Open LUT...", pathOrURL);
			fi.directory = od.getDirectory();
			fi.fileName = od.getFileName();
			if (fi.fileName==null)
				return null;
		}
		LutLoader loader = new LutLoader();
		loader.suppressErrors = noError;
		boolean ok = loader.openLut(fi);
		if (ok)
			return new LUT(fi.reds, fi.greens, fi.blues);
		else
			return null;
	}
	
	/** Opens an NIH Image LUT, 768 byte binary LUT or text LUT from a file or URL. */
	boolean openLut(FileInfo fi) {