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
17package com.android.gallery3d.glrenderer;
18
19import android.graphics.Bitmap;
20
21import 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.
28public 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