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/*
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* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.awt;
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/**
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* This interface can be implemented on a Graphics object to allow
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* the lightweight component code to permanently install a rectangular
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* maximum clip that cannot be extended with setClip and which works in
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* conjunction with the hit() and getTransform() methods of Graphics2D
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* to make it appear as if there really was a component with these
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* dimensions.
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*/
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public interface ConstrainableGraphics {
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/**
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* Constrain this graphics object to have a permanent device space
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* origin of (x, y) and a permanent maximum clip of (x,y,w,h).
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* Calling this method is roughly equivalent to:
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* g.translate(x, y);
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* g.clipRect(0, 0, w, h);
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* except that the clip can never be extended outside of these
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* bounds, even with setClip() and for the fact that the (x,y)
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* become a new device space coordinate origin.
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*
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* These methods are recursive so that you can further restrict
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* the object by calling the constrain() method more times, but
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* you can never enlarge its restricted maximum clip.
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*/
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public void constrain(int x, int y, int w, int h);
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}
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