| /* |
| * Copyright 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 android.util.Size; |
| |
| import androidx.annotation.GuardedBy; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| import androidx.annotation.RestrictTo; |
| |
| /** |
| * An {@link ImageProxy} which overwrites the {@link ImageInfo}. |
| * |
| */ |
| @RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java |
| @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP) |
| public final class SettableImageProxy extends ForwardingImageProxy { |
| private final Object mLock = new Object(); |
| private final ImageInfo mImageInfo; |
| |
| @GuardedBy("mLock") |
| @Nullable |
| private Rect mCropRect; |
| |
| private final int mWidth; |
| private final int mHeight; |
| |
| /** |
| * Constructor for a {@link SettableImageProxy}. |
| * |
| * @param imageProxy The {@link ImageProxy} to forward. |
| * @param imageInfo The {@link ImageInfo} to overwrite with. |
| */ |
| SettableImageProxy(ImageProxy imageProxy, ImageInfo imageInfo) { |
| this(imageProxy, null, imageInfo); |
| } |
| |
| /** |
| * Constructor for a {@link SettableImageProxy} which overrides the resolution. |
| * |
| * @param imageProxy The {@link ImageProxy} to forward. |
| * @param resolution The resolution to overwrite with. |
| * @param imageInfo The {@link ImageInfo} to overwrite with. |
| */ |
| public SettableImageProxy(@NonNull ImageProxy imageProxy, @Nullable Size resolution, |
| @NonNull ImageInfo imageInfo) { |
| super(imageProxy); |
| if (resolution == null) { |
| mWidth = super.getWidth(); |
| mHeight = super.getHeight(); |
| } else { |
| mWidth = resolution.getWidth(); |
| mHeight = resolution.getHeight(); |
| } |
| mImageInfo = imageInfo; |
| } |
| |
| @NonNull |
| @Override |
| public Rect getCropRect() { |
| synchronized (mLock) { |
| if (mCropRect == null) { |
| return new Rect(0, 0, getWidth(), getHeight()); |
| } else { |
| return new Rect(mCropRect); // return a copy |
| } |
| } |
| } |
| |
| @Override |
| public void setCropRect(@Nullable Rect cropRect) { |
| if (cropRect != null) { |
| cropRect = new Rect(cropRect); // make a copy |
| if (!cropRect.intersect(0, 0, getWidth(), getHeight())) { |
| cropRect.setEmpty(); |
| } |
| } |
| synchronized (mLock) { |
| mCropRect = cropRect; |
| } |
| } |
| |
| @Override |
| public int getWidth() { |
| return mWidth; |
| } |
| |
| @Override |
| public int getHeight() { |
| return mHeight; |
| } |
| |
| @Override |
| @NonNull |
| public ImageInfo getImageInfo() { |
| return mImageInfo; |
| } |
| } |