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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.awt; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * The <code>Transparency</code> interface defines the common transparency | ||
| 30 | * modes for implementing classes. | ||
| 31 | */ | ||
| 32 | public interface Transparency { | ||
| 33 | |||
| 34 | /** | ||
| 35 | * Represents image data that is guaranteed to be completely opaque, | ||
| 36 | * meaning that all pixels have an alpha value of 1.0. | ||
| 37 | */ | ||
| 38 | public final static int OPAQUE = 1; | ||
| 39 | |||
| 40 | /** | ||
| 41 | * Represents image data that is guaranteed to be either completely | ||
| 42 | * opaque, with an alpha value of 1.0, or completely transparent, | ||
| 43 | * with an alpha value of 0.0. | ||
| 44 | */ | ||
| 45 | public final static int BITMASK = 2; | ||
| 46 | |||
| 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 | } | ||