1 /**
2  * Copyright (c) 2013, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.view;
18 
19 import android.view.GraphicBuffer;
20 
21 /**
22  * Programming interface to the system assets atlas. This atlas, when
23  * present, holds preloaded drawable in a single, shareable graphics
24  * buffer. This allows multiple processes to share the same data to
25  * save up on memory.
26  *
27  * @hide
28  */
29 interface IAssetAtlas {
30     /**
31      * Indicates whether the atlas is compatible with the specified
32      * parent process id. If the atlas' ppid does not match, this
33      * method will return false.
34      */
isCompatible(int ppid)35     boolean isCompatible(int ppid);
36 
37     /**
38      * Returns the atlas buffer (texture) or null if the atlas is
39      * not available yet.
40      */
getBuffer()41     GraphicBuffer getBuffer();
42 
43     /**
44      * Returns the map of the bitmaps stored in the atlas or null
45      * if the atlas is not available yet.
46      *
47      * Each bitmap is represented by several entries in the array:
48      * long0: SkBitmap*, the native bitmap object
49      * long1: x position
50      * long2: y position
51      * long3: rotated, 1 if the bitmap must be rotated, 0 otherwise
52      */
getMap()53     long[] getMap();
54 }
55