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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.graphics.Bitmap;
     20 
     21 import junit.framework.Assert;
     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 
     31     public BitmapTexture(Bitmap bitmap) {
     32         this(bitmap, false);
     33     }
     34 
     35     public BitmapTexture(Bitmap bitmap, boolean hasBorder) {
     36         super(hasBorder);
     37         Assert.assertTrue(bitmap != null && !bitmap.isRecycled());
     38         mContentBitmap = bitmap;
     39     }
     40 
     41     @Override
     42     protected void onFreeBitmap(Bitmap bitmap) {
     43         // Do nothing.
     44     }
     45 
     46     @Override
     47     protected Bitmap onGetBitmap() {
     48         return mContentBitmap;
     49     }
     50 
     51     public Bitmap getBitmap() {
     52         return mContentBitmap;
     53     }
     54 }
     55