/*
* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 in the LICENSE file that
* accompanied this code).
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
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);
}