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56 lines
1.2 KiB
56 lines
1.2 KiB
/*
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* Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.awt.image;
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/**
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* An interface for objects that wish to be informed when tiles
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* of a WritableRenderedImage become modifiable by some writer via
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* a call to getWritableTile, and when they become unmodifiable via
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* the last call to releaseWritableTile.
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*
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* @see WritableRenderedImage
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*
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* @author Thomas DeWeese
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* @author Daniel Rice
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*/
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public interface TileObserver {
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/**
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* A tile is about to be updated (it is either about to be grabbed
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* for writing, or it is being released from writing).
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*
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* @param source the image that owns the tile.
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* @param tileX the X index of the tile that is being updated.
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* @param tileY the Y index of the tile that is being updated.
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* @param willBeWritable If true, the tile will be grabbed for writing;
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* otherwise it is being released.
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*/
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public void tileUpdate(WritableRenderedImage source,
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int tileX, int tileY,
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boolean willBeWritable);
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}
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