1 /*
2  * Copyright (C) 2021 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.settings.testutils;
18 
19 import android.graphics.Bitmap;
20 import android.graphics.Canvas;
21 import android.graphics.drawable.Drawable;
22 
23 import androidx.annotation.Nullable;
24 
25 /**
26  * Utilities for testing images within unit tests.
27  */
28 public class ImageTestUtils {
29 
30     /** Converts the drawable object to bitmap. */
31     @Nullable
drawableToBitmap(@ullable Drawable drawable)32     public static Bitmap drawableToBitmap(@Nullable Drawable drawable) {
33         if (drawable == null) {
34             return null;
35         }
36 
37         final Bitmap bitmap =
38                 Bitmap.createBitmap(
39                         drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
40                         Bitmap.Config.ARGB_8888);
41         final Canvas canvas = new Canvas(bitmap);
42         drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
43         drawable.draw(canvas);
44 
45         return bitmap;
46     }
47 }
48