1/*
2 * Copyright (C) 2016 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.shell;
18
19import android.graphics.Bitmap;
20import android.graphics.Point;
21import android.graphics.Rect;
22import android.hardware.display.DisplayManagerGlobal;
23import android.util.Log;
24import android.view.Display;
25import android.view.SurfaceControl;
26
27/**
28 * Helper class used to take screenshots.
29 *
30 * TODO: logic below was copied and pasted from UiAutomation; it should be refactored into a common
31 * component that could be used by both (Shell and UiAutomation).
32 */
33final class Screenshooter {
34
35    private static final String TAG = "Screenshooter";
36
37    /**
38     * Takes a screenshot.
39     *
40     * @return The screenshot bitmap on success, null otherwise.
41     */
42    static Bitmap takeScreenshot() {
43        Display display = DisplayManagerGlobal.getInstance()
44                .getRealDisplay(Display.DEFAULT_DISPLAY);
45        Point displaySize = new Point();
46        display.getRealSize(displaySize);
47        final int displayWidth = displaySize.x;
48        final int displayHeight = displaySize.y;
49
50        int rotation = display.getRotation();
51        Rect crop = new Rect(0, 0, displayWidth, displayHeight);
52        Log.d(TAG, "Taking screenshot of dimensions " + displayWidth + " x " + displayHeight);
53        // Take the screenshot
54        Bitmap screenShot =
55                SurfaceControl.screenshot(crop, displayWidth, displayHeight, rotation);
56        if (screenShot == null) {
57            Log.e(TAG, "Failed to take screenshot of dimensions " + displayWidth + " x "
58                    + displayHeight);
59            return null;
60        }
61
62        // Optimization
63        screenShot.setHasAlpha(false);
64
65        return screenShot;
66    }
67}
68