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Apache Commons Imaging (previously Sanselan) is a pure-Java image library.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.imaging.formats.gif;
/**
* Describes the disposal of a GIF frame when rendering the animation. Frames that aren't disposed can show through
* transparent pixels of coming frames. This allows new layers to contain just the part of the animation that changes.
*/
public enum DisposalMethod {
/**
* Typically used for a full-size non-transparent frame that will be replaced by another.
*/
UNSPECIFIED,
/**
* The next frame should be rendered on top of this frame.
*/
DO_NOT_DISPOSE,
/**
* Dispose the frame and restore the background.
*/
RESTORE_TO_BACKGROUND,
/**
* Dispose the frame and restore the previous undisposed frame.
*/
RESTORE_TO_PREVIOUS,
/**
* Unused method 1.
*/
TO_BE_DEFINED_1,
/**
* Unused method 2.
*/
TO_BE_DEFINED_2,
/**
* Unused method 3.
*/
TO_BE_DEFINED_3,
/**
* Unused method 4.
*/
TO_BE_DEFINED_4
}