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/*
* Copyright (C) 2012.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 or
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package uk.me.parabola.imgfmt.app.typ;
/**
* Interface for adding an alpha value to a previously saved colour value.
*
* The current TYP editors place the alpha value after the colour definition, eg:
*
* "#992299" alpha 5
*
* so we need to add the alpha value to a colour that has already been read
* in.
*
* @author Steve Ratcliffe
*/
public interface AlphaAdder {
/**
* Add an alpha value to the last colour that was saved.
*
* @param alpha A true alpha value ie 0 is transparent, 255 opaque.
*/
public void addAlpha(int alpha);
}