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.content.Context;
20 import android.graphics.Bitmap;
21 import android.graphics.BitmapFactory;
22 
23 import com.android.gallery3d.common.Utils;
24 
25 // ResourceTexture is a texture whose Bitmap is decoded from a resource.
26 // By default ResourceTexture is not opaque.
27 public class ResourceTexture extends UploadedTexture {
28 
29     protected final Context mContext;
30     protected final int mResId;
31 
ResourceTexture(Context context, int resId)32     public ResourceTexture(Context context, int resId) {
33         Utils.checkNotNull(context);
34         mContext = context;
35         mResId = resId;
36         setOpaque(false);
37     }
38 
39     @Override
onGetBitmap()40     protected Bitmap onGetBitmap() {
41         BitmapFactory.Options options = new BitmapFactory.Options();
42         options.inPreferredConfig = Bitmap.Config.ARGB_8888;
43         return BitmapFactory.decodeResource(
44                 mContext.getResources(), mResId, options);
45     }
46 
47     @Override
onFreeBitmap(Bitmap bitmap)48     protected void onFreeBitmap(Bitmap bitmap) {
49         if (!inFinalizer()) {
50             bitmap.recycle();
51         }
52     }
53 }
54