| 1 |
771 |
jeremybenn |
/* Composite.java -- graphics formed from composite layers
|
| 2 |
|
|
Copyright (C) 2002, 2005 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 java.awt;
|
| 40 |
|
|
|
| 41 |
|
|
import java.awt.image.ColorModel;
|
| 42 |
|
|
|
| 43 |
|
|
/**
|
| 44 |
|
|
* This interface is for graphics which are formed as composites of others.
|
| 45 |
|
|
* It combines {@link Graphics2D} shapes according to defined rules to form
|
| 46 |
|
|
* the new image. Implementations of this interface must be immutable, because
|
| 47 |
|
|
* they are not cloned when a Graphics2D container is cloned.
|
| 48 |
|
|
*
|
| 49 |
|
|
* <p>Since this can expose pixels to untrusted code, there is a security
|
| 50 |
|
|
* check on custom objects, <code>readDisplayPixels</code>, to prevent leaking
|
| 51 |
|
|
* restricted information graphically.
|
| 52 |
|
|
*
|
| 53 |
|
|
* @author Eric Blake (ebb9@email.byu.edu)
|
| 54 |
|
|
* @see AlphaComposite
|
| 55 |
|
|
* @see CompositeContext
|
| 56 |
|
|
* @see Graphics2D#setComposite(Composite)
|
| 57 |
|
|
* @since 1.2
|
| 58 |
|
|
* @status updated to 1.4
|
| 59 |
|
|
*/
|
| 60 |
|
|
public interface Composite
|
| 61 |
|
|
{
|
| 62 |
|
|
/**
|
| 63 |
|
|
* Create a context state for performing the compositing operation. Several
|
| 64 |
|
|
* contexts may exist for this object, in a multi-threaded environment.
|
| 65 |
|
|
*
|
| 66 |
|
|
* @param srcColorModel the color model of the source
|
| 67 |
|
|
* @param dstColorModel the color model of the destination
|
| 68 |
|
|
* @param hints hints for choosing between rendering alternatives
|
| 69 |
|
|
*/
|
| 70 |
|
|
CompositeContext createContext(ColorModel srcColorModel,
|
| 71 |
|
|
ColorModel dstColorModel,
|
| 72 |
|
|
RenderingHints hints);
|
| 73 |
|
|
} // interface Composite
|
