1 /*
2  * Copyright (C) 2010 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 com.android.gallery3d.glrenderer;
18 
19 import android.graphics.Bitmap;
20 
21 import com.android.gallery3d.common.Utils;
22 
23 // BitmapTexture is a texture whose content is specified by a fixed Bitmap.
24 //
25 // The texture does not own the Bitmap. The user should make sure the Bitmap
26 // is valid during the texture's lifetime. When the texture is recycled, it
27 // does not free the Bitmap.
28 public class BitmapTexture extends UploadedTexture {
29     protected Bitmap mContentBitmap;
30 
BitmapTexture(Bitmap bitmap)31     public BitmapTexture(Bitmap bitmap) {
32         this(bitmap, false);
33     }
34 
BitmapTexture(Bitmap bitmap, boolean hasBorder)35     public BitmapTexture(Bitmap bitmap, boolean hasBorder) {
36         super(hasBorder);
37         Utils.assertTrue(bitmap != null && !bitmap.isRecycled());
38         mContentBitmap = bitmap;
39     }
40 
41     @Override
onFreeBitmap(Bitmap bitmap)42     protected void onFreeBitmap(Bitmap bitmap) {
43         // Do nothing.
44     }
45 
46     @Override
onGetBitmap()47     protected Bitmap onGetBitmap() {
48         return mContentBitmap;
49     }
50 
getBitmap()51     public Bitmap getBitmap() {
52         return mContentBitmap;
53     }
54 }
55