| /* |
| * Copyright (C) 2019 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; |
| |
| import android.graphics.Rect; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RestrictTo; |
| import androidx.annotation.RestrictTo.Scope; |
| import androidx.camera.core.impl.utils.futures.Futures; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import java.util.List; |
| |
| /** |
| * The CameraControlInternal Interface. |
| * |
| * <p>CameraControlInternal is used for global camera operations like zoom, focus, flash and |
| * triggering |
| * AF/AE. |
| * |
| * @hide |
| */ |
| @RestrictTo(Scope.LIBRARY_GROUP) |
| public interface CameraControlInternal extends CameraControl { |
| /** |
| * Set the desired crop region of the sensor to read out for all capture requests. |
| * |
| * <p>This crop region can be used to implement digital zoom. It is applied to every single and |
| * re peating requests. |
| * |
| * @param crop rectangle with dimensions in sensor pixel coordinate. |
| */ |
| void setCropRegion(@Nullable Rect crop); |
| |
| /** Returns the current flash mode. */ |
| @NonNull |
| FlashMode getFlashMode(); |
| |
| /** |
| * Sets current flash mode |
| * |
| * @param flashMode the {@link FlashMode}. |
| */ |
| void setFlashMode(@NonNull FlashMode flashMode); |
| |
| /** Returns if current torch is enabled or not. */ |
| // TODO(b/143514107): remove this API when CameraInfo#getTorchState implementation is done. |
| boolean isTorchOn(); |
| |
| /** Performs a AF trigger. */ |
| void triggerAf(); |
| |
| /** Performs a AE Precapture trigger. */ |
| void triggerAePrecapture(); |
| |
| /** Cancel AF trigger AND/OR AE Precapture trigger.* */ |
| void cancelAfAeTrigger(boolean cancelAfTrigger, boolean cancelAePrecaptureTrigger); |
| |
| /** |
| * Performs capture requests. |
| */ |
| void submitCaptureRequests(@NonNull List<CaptureConfig> captureConfigs); |
| |
| CameraControlInternal DEFAULT_EMPTY_INSTANCE = new CameraControlInternal() { |
| @Override |
| public void setCropRegion(@Nullable Rect crop) { |
| } |
| |
| @NonNull |
| @Override |
| public FlashMode getFlashMode() { |
| return FlashMode.OFF; |
| } |
| |
| @Override |
| public void setFlashMode(@NonNull FlashMode flashMode) { |
| } |
| |
| @NonNull |
| @Override |
| public ListenableFuture<Void> enableTorch(boolean torch) { |
| return Futures.immediateFuture(null); |
| } |
| |
| @Override |
| public boolean isTorchOn() { |
| return false; |
| } |
| |
| @Override |
| public void triggerAf() { |
| } |
| |
| @Override |
| public void triggerAePrecapture() { |
| } |
| |
| @Override |
| public void cancelAfAeTrigger(boolean cancelAfTrigger, boolean cancelAePrecaptureTrigger) { |
| |
| } |
| |
| @Override |
| public void submitCaptureRequests(@NonNull List<CaptureConfig> captureConfigs) { |
| } |
| |
| @Override |
| public void startFocusAndMetering(@NonNull FocusMeteringAction action) { |
| |
| } |
| |
| @Override |
| public void cancelFocusAndMetering() { |
| |
| } |
| |
| @NonNull |
| @Override |
| public ListenableFuture<Void> setZoomRatio(float ratio) { |
| return Futures.immediateFuture(null); |
| } |
| |
| @NonNull |
| @Override |
| public ListenableFuture<Void> setZoomPercentage(float percentage) { |
| return Futures.immediateFuture(null); |
| } |
| }; |
| |
| /** Listener called when CameraControlInternal need to notify event. */ |
| interface ControlUpdateCallback { |
| |
| /** Called when CameraControlInternal has updated session configuration. */ |
| void onCameraControlUpdateSessionConfig(@NonNull SessionConfig sessionConfig); |
| |
| /** Called when CameraControlInternal need to send capture requests. */ |
| void onCameraControlCaptureRequests(@NonNull List<CaptureConfig> captureConfigs); |
| } |
| } |