| 1 |
772 |
jeremybenn |
/* IIOParamController.java --
|
| 2 |
|
|
Copyright (C) 2004 Free Software Foundation, Inc.
|
| 3 |
|
|
|
| 4 |
|
|
This file is part of GNU Classpath.
|
| 5 |
|
|
|
| 6 |
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
| 7 |
|
|
it under the terms of the GNU General Public License as published by
|
| 8 |
|
|
the Free Software Foundation; either version 2, or (at your option)
|
| 9 |
|
|
any later version.
|
| 10 |
|
|
|
| 11 |
|
|
GNU Classpath is distributed in the hope that it will be useful, but
|
| 12 |
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 14 |
|
|
General Public License for more details.
|
| 15 |
|
|
|
| 16 |
|
|
You should have received a copy of the GNU General Public License
|
| 17 |
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
| 18 |
|
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
| 19 |
|
|
02110-1301 USA.
|
| 20 |
|
|
|
| 21 |
|
|
Linking this library statically or dynamically with other modules is
|
| 22 |
|
|
making a combined work based on this library. Thus, the terms and
|
| 23 |
|
|
conditions of the GNU General Public License cover the whole
|
| 24 |
|
|
combination.
|
| 25 |
|
|
|
| 26 |
|
|
As a special exception, the copyright holders of this library give you
|
| 27 |
|
|
permission to link this library with independent modules to produce an
|
| 28 |
|
|
executable, regardless of the license terms of these independent
|
| 29 |
|
|
modules, and to copy and distribute the resulting executable under
|
| 30 |
|
|
terms of your choice, provided that you also meet, for each linked
|
| 31 |
|
|
independent module, the terms and conditions of the license of that
|
| 32 |
|
|
module. An independent module is a module which is not derived from
|
| 33 |
|
|
or based on this library. If you modify this library, you may extend
|
| 34 |
|
|
this exception to your version of the library, but you are not
|
| 35 |
|
|
obligated to do so. If you do not wish to do so, delete this
|
| 36 |
|
|
exception statement from your version. */
|
| 37 |
|
|
|
| 38 |
|
|
|
| 39 |
|
|
package javax.imageio;
|
| 40 |
|
|
|
| 41 |
|
|
/**
|
| 42 |
|
|
* An interface to set image parameters. An IIOParamController may be
|
| 43 |
|
|
* a GUI component, a database reader, command-line parser or any
|
| 44 |
|
|
* other means of getting parameter settings. For exampe, a dialog
|
| 45 |
|
|
* box could implement IIOParamController to allow a user to adjust
|
| 46 |
|
|
* JPEG compression levels.
|
| 47 |
|
|
*
|
| 48 |
|
|
* The activate method should always behave modally; it should only
|
| 49 |
|
|
* return when the action has been either cancelled or completed.
|
| 50 |
|
|
*
|
| 51 |
|
|
* @author Michael Koch (konqueror@gmx.de)
|
| 52 |
|
|
*/
|
| 53 |
|
|
public interface IIOParamController
|
| 54 |
|
|
{
|
| 55 |
|
|
/**
|
| 56 |
|
|
* Activates the controller. A return value of false should mean
|
| 57 |
|
|
* that no changes were made to param. A return value of true
|
| 58 |
|
|
* should mean that the image is ready to be read or written.
|
| 59 |
|
|
*
|
| 60 |
|
|
* @param param the <code>IIOParam</code> to be modified
|
| 61 |
|
|
*
|
| 62 |
|
|
* @return true if the <code>IIOParam</code> has been modified,
|
| 63 |
|
|
* false otherwise
|
| 64 |
|
|
*
|
| 65 |
|
|
* @exception IllegalArgumentException if param is null or is not an instance
|
| 66 |
|
|
* of the correct class
|
| 67 |
|
|
*/
|
| 68 |
|
|
boolean activate(IIOParam param);
|
| 69 |
|
|
}
|
