68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
/* Transparency.java -- common transparency modes in graphics
|
|
Copyright (C) 2000, 2002, 2005 Free Software Foundation
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
package java.awt;
|
|
|
|
/**
|
|
* A common transparency mode for layering graphics.
|
|
*
|
|
* @author Warren Levy (warrenl@cygnus.com)
|
|
* @since 1.1
|
|
* @status updated to 1.4
|
|
*/
|
|
public interface Transparency
|
|
{
|
|
/** Image data which is completely opaque, for an alpha value of 1.0. */
|
|
int OPAQUE = 1;
|
|
|
|
/**
|
|
* Image data which is either completely opaque or transparent, for an
|
|
* exact integer alpha value.
|
|
*/
|
|
int BITMASK = 2;
|
|
|
|
/** Image data which is translucent, for a non-integer alpha value. */
|
|
int TRANSLUCENT = 3;
|
|
|
|
/**
|
|
* Return the transparency type.
|
|
*
|
|
* @return One of {@link #OPAQUE}, {@link #BITMASK}, or {@link #TRANSLUCENT}.
|
|
*/
|
|
int getTransparency();
|
|
} // interface Transparency
|