blob: 052353b60ff3b151311e5fa7c7cefbc22860c8d8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* 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.
*/
/**
* @author Igor V. Stolyarov
* @version $Revision$
*/
package java.awt.image;
import java.awt.Point;
/**
* The WriteableRenderedImage interface is interface for objects which contains
* Raster data of one or several tiles. This interface provides notification
* mechanism for obtaining tile's writing status.
*
* @since Android 1.0
*/
public interface WritableRenderedImage extends RenderedImage {
/**
* Gets and checks out the writable tile for writing.
*
* @param tileX
* the X index of the tile.
* @param tileY
* the Y index of the tile.
* @return the WritableRaster.
*/
public WritableRaster getWritableTile(int tileX, int tileY);
/**
* Removes the registered TileObserver.
*
* @param to
* the TileObserver which is registered for this
* WritableRenderedImage.
*/
public void removeTileObserver(TileObserver to);
/**
* Adds the specified TileObserver to this WritableRenderedImage.
*
* @param to
* the TileObserver object to be added.
*/
public void addTileObserver(TileObserver to);
/**
* Sets this image to the contents of the specified Raster.
*
* @param r
* the specified Raster.
*/
public void setData(Raster r);
/**
* Gets the array of points which represent indices of tiles which are check
* out for writing.
*
* @return the array of points.
*/
public Point[] getWritableTileIndices();
/**
* Checks if the specified tile is writable or not.
*
* @param tileX
* the X index of tile.
* @param tileY
* the Y index of tile.
* @return true, if the specified tile is writable, false otherwise.
*/
public boolean isTileWritable(int tileX, int tileY);
/**
* Release the specified writable tile. This method removes the writer from
* the tile.
*
* @param tileX
* the X index of the tile.
* @param tileY
* the Y index of the tile.
*/
public void releaseWritableTile(int tileX, int tileY);
/**
* Checks if there is a tile which is checked out for writing.
*
* @return true, if any tile is checked out for writing, false if there is
* no such tile.
*/
public boolean hasTileWriters();
}
|
