| leo huang | 54cf8ea | 2020-01-17 22:12:17 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 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 androidx.camera.extensions.impl; |
| 18 | |
| 19 | import android.hardware.camera2.CameraCharacteristics; |
| 20 | import android.util.Log; |
| 21 | |
| 22 | import androidx.annotation.NonNull; |
| Trevor McGuire | e0327b2 | 2021-09-22 22:59:57 -0700 | [diff] [blame] | 23 | import androidx.annotation.RequiresApi; |
| leo huang | 54cf8ea | 2020-01-17 22:12:17 +0800 | [diff] [blame] | 24 | |
| 25 | import java.util.Arrays; |
| 26 | |
| 27 | /** |
| 28 | * A utility class to check the availabilities of camera characteristics. |
| 29 | */ |
| Trevor McGuire | e0327b2 | 2021-09-22 22:59:57 -0700 | [diff] [blame] | 30 | @RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java |
| leo huang | 54cf8ea | 2020-01-17 22:12:17 +0800 | [diff] [blame] | 31 | final class CameraCharacteristicAvailability { |
| 32 | private static final String TAG = "CharacteristicAbility"; |
| 33 | |
| 34 | private CameraCharacteristicAvailability() { |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Check if the given effect id is available in the camera characteristics. |
| 39 | * |
| 40 | * @param cameraCharacteristics the camera characteristics. |
| 41 | * @param effect the effect id. |
| 42 | * @return {@code true} if the given effect id is available in the camera characteristics. |
| 43 | * {@code false} otherwise. |
| 44 | */ |
| 45 | static boolean isEffectAvailable(@NonNull CameraCharacteristics cameraCharacteristics, |
| 46 | int effect) { |
| 47 | int[] availableEffects = cameraCharacteristics.get( |
| 48 | CameraCharacteristics.CONTROL_AVAILABLE_EFFECTS); |
| 49 | if (availableEffects == null) { |
| 50 | Log.d(TAG, "No CONTROL_AVAILABLE_EFFECTS info"); |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | for (int availableEffect : availableEffects) { |
| 55 | if (availableEffect == effect) { |
| 56 | return true; |
| 57 | } |
| 58 | } |
| 59 | Log.d(TAG, "effect: " + effect + " is not in available list " |
| 60 | + Arrays.toString(availableEffects)); |
| 61 | return false; |
| 62 | } |
| 63 | } |