/*
* @(#)ConstrainableGraphics.java 1.8 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, 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 version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package sun.awt;
/**
* This interface can be implemented on a Graphics object to allow
* the lightweight component code to permanently install a rectangular
* maximum clip that cannot be extended with setClip and which works in
* conjunction with the hit() and getTransform() methods of Graphics2D
* to make it appear as if there really was a component with these
* dimensions.
*/
public interface ConstrainableGraphics {
/**
* Constrain this graphics object to have a permanent device space
* origin of (x, y) and a permanent maximum clip of (x,y,w,h).
* Calling this method is roughly equivalent to:
* g.translate(x, y);
* g.clipRect(0, 0, w, h);
* except that the clip can never be extended outside of these
* bounds, even with setClip() and for the fact that the (x,y)
* become a new device space coordinate origin.
*
* These methods are recursive so that you can further restrict
* the object by calling the constrain() method more times, but
* you can never enlarge its restricted maximum clip.
*/
public void constrain(int x, int y, int w, int h);
}