CPUndo.java

/*
	ChibiPaint
    Copyright (c) 2006-2008 Marc Schefer

    This file is part of ChibiPaint.

    ChibiPaint is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    ChibiPaint 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.

    You should have received a copy of the GNU General Public License
    along with ChibiPaint. If not, see <http://www.gnu.org/licenses/>.

 */

package com.chibipaint.engine;

abstract public class CPUndo {

	abstract public void undo();

	abstract public void redo();

	public boolean merge(CPUndo u) {
		return false;
	}

	public boolean noChange() {
		return false;
	}

	public long getMemoryUsed(boolean undone, Object param) {
		return 0;
	}

}