mirror of git://gcc.gnu.org/git/gcc.git
70 lines
2.7 KiB
Java
70 lines
2.7 KiB
Java
/* IIOParamController.java --
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.imageio;
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/**
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* An interface to set image parameters. An IIOParamController may be
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* a GUI component, a database reader, command-line parser or any
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* other means of getting parameter settings. For exampe, a dialog
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* box could implement IIOParamController to allow a user to adjust
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* JPEG compression levels.
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*
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* The activate method should always behave modally; it should only
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* return when the action has been either cancelled or completed.
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*
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* @author Michael Koch (konqueror@gmx.de)
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*/
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public interface IIOParamController
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{
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/**
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* Activates the controller. A return value of false should mean
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* that no changes were made to param. A return value of true
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* should mean that the image is ready to be read or written.
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*
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* @param param the <code>IIOParam</code> to be modified
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*
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* @return true if the <code>IIOParam</code> has been modified,
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* false otherwise
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*
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* @exception IllegalArgumentException if param is null or is not an instance
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* of the correct class
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*/
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boolean activate(IIOParam param);
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}
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