uk.ac.starlink.ttools.plot
Class LutSteal

java.lang.Object
  uk.ac.starlink.ttools.plot.LutSteal

public class LutSteal
extends Object

Acquires a lookup table by scraping pixels from a colour ramp icon.

Since:

28 Aug 2013

Author:

Mark Taylor

Constructor Summary

LutSteal(Icon icon, boolean horiz)
Constructor.

Method Summary

static void	main(String[] args) Main method.
void	writeLut(OutputStream out, boolean verbose) Writes the strip of pixels down the middle of the ramp icon as a lookup table that can be used by the Shaders class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LutSteal

public LutSteal(Icon icon,
                boolean horiz)

Constructor.

Parameters:

icon - icon containing color ramp

horiz - true to traverse ramp horizontally, false for vertically

Method Detail

writeLut

public void writeLut(OutputStream out,
                     boolean verbose)
              throws IOException

Writes the strip of pixels down the middle of the ramp icon as a lookup table that can be used by the Shaders class.

Parameters:

out - output stream

verbose - true to write RGB values to stderr

Throws:

IOException

main

public static void main(String[] args)
                 throws IOException

Main method. Run with -h for help.

Throws:

IOException