| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.camera.core.internal.compat.workaround; |
| |
| import android.graphics.ImageFormat; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.RequiresApi; |
| import androidx.camera.core.ImageProxy; |
| import androidx.camera.core.impl.CaptureConfig; |
| import androidx.camera.core.internal.compat.quirk.DeviceQuirks; |
| import androidx.camera.core.internal.compat.quirk.ImageCaptureRotationOptionQuirk; |
| |
| /** |
| * Workaround to check whether the exif rotation value embedded in the capture JPEG image is |
| * available. |
| * |
| * @see ImageCaptureRotationOptionQuirk |
| */ |
| @RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java |
| public class ExifRotationAvailability { |
| |
| /** |
| * Returns whether rotation option is supported on the device. |
| */ |
| public boolean isRotationOptionSupported() { |
| ImageCaptureRotationOptionQuirk quirk = |
| DeviceQuirks.get(ImageCaptureRotationOptionQuirk.class); |
| return quirk == null || quirk.isSupported(CaptureConfig.OPTION_ROTATION); |
| } |
| |
| /** |
| * Checks whether the exif orientation value should be used for the final output image. |
| * |
| * <p>On some devices, the orientation value in the embedded exif of the captured images may |
| * be 0 but the image buffer data actually is not rotated to upright orientation by HAL. For |
| * these devices, the exif orientation value should not be used for the final output image. |
| * |
| * @param image The captured image object. |
| */ |
| public boolean shouldUseExifOrientation(@NonNull ImageProxy image) { |
| return isRotationOptionSupported() && image.getFormat() == ImageFormat.JPEG; |
| } |
| } |