01: /*
02: * @(#)Transparency.java 1.23 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program 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 version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package java.awt;
29:
30: /**
31: * The <code>Transparency</code> interface defines the common transparency
32: * modes for implementing classes.
33: * @version 1.19, 08/19/02
34: */
35: public interface Transparency {
36: /**
37: * Represents image data that is guaranteed to be completely opaque,
38: * meaning that all pixels have an alpha value of 1.0.
39: */
40: public final static int OPAQUE = 1;
41: /**
42: * Represents image data that is guaranteed to be either completely
43: * opaque, with an alpha value of 1.0, or completely transparent,
44: * with an alpha value of 0.0.
45: */
46: public final static int BITMASK = 2;
47: /**
48: * Represents image data that contains or might contain arbitrary
49: * alpha values between and including 0.0 and 1.0.
50: */
51: public final static int TRANSLUCENT = 3;
52:
53: /**
54: * Returns the type of this <code>Transparency</code>.
55: * @return the field type of this <code>Transparency</code>, which is
56: * either OPAQUE, BITMASK or TRANSLUCENT.
57: */
58: public int getTransparency();
59: }
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