ExtensionsUtil.java
/*
* Copyright 2021 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.extensions.internal;
import static androidx.camera.extensions.ExtensionMode.AUTO;
import static androidx.camera.extensions.ExtensionMode.BEAUTY;
import static androidx.camera.extensions.ExtensionMode.BOKEH;
import static androidx.camera.extensions.ExtensionMode.HDR;
import static androidx.camera.extensions.ExtensionMode.NIGHT;
import static androidx.camera.extensions.ExtensionMode.NONE;
import android.hardware.camera2.CameraCharacteristics;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.camera.extensions.ExtensionMode;
import androidx.camera.extensions.impl.AutoImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.BeautyImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.BokehImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.HdrImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.ImageCaptureExtenderImpl;
import androidx.camera.extensions.impl.NightImageCaptureExtenderImpl;
/**
* A Extensions util class to provide related util functions.
*/
public final class ExtensionsUtil {
private ExtensionsUtil() { }
/**
* Returns a ImageCaptureExtenderImpl instance for specific camera and extensions mode.
*
* @param cameraId The target camera id.
* @param cameraCharacteristics The camera characteristic of the target camera.
* @param mode The target extensions mode.
* @return a ImageCaptureExtenderImpl object corresponding to the extensions mode. Returns
* null if the input extensions mode is not supported or the vendor library doesn't implement
* the class.
*/
@Nullable
public static ImageCaptureExtenderImpl createImageCaptureExtenderImpl(@NonNull String cameraId,
@NonNull CameraCharacteristics cameraCharacteristics,
@ExtensionMode.Mode int mode) {
try {
ImageCaptureExtenderImpl impl;
switch (mode) {
case BOKEH:
impl = new BokehImageCaptureExtenderImpl();
break;
case HDR:
impl = new HdrImageCaptureExtenderImpl();
break;
case NIGHT:
impl = new NightImageCaptureExtenderImpl();
break;
case BEAUTY:
impl = new BeautyImageCaptureExtenderImpl();
break;
case AUTO:
impl = new AutoImageCaptureExtenderImpl();
break;
case NONE:
default:
return null;
}
impl.init(cameraId, cameraCharacteristics);
return impl;
} catch (NoClassDefFoundError e) {
return null;
}
}
}