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 */ 35 boolean isCompatible(int ppid); 36 37 /** 38 * Returns the atlas buffer (texture) or null if the atlas is 39 * not available yet. 40 */ 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 */ 53 long[] getMap(); 54 } 55