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      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 junit.framework.Assert;
     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 
     32     public ResourceTexture(Context context, int resId) {
     33         Assert.assertNotNull(context);
     34         mContext = context;
     35         mResId = resId;
     36         setOpaque(false);
     37     }
     38 
     39     @Override
     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
     48     protected void onFreeBitmap(Bitmap bitmap) {
     49         if (!inFinalizer()) {
     50             bitmap.recycle();
     51         }
     52     }
     53 }
     54