java source code of CropCircleTransformation

package jp.wasabeef.glide.transformations;

/**
 * Copyright (C) 2019 Wasabeef
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.
 */

import android.content.Context;
import android.graphics.Bitmap;

import androidx.annotation.NonNull;

import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.resource.bitmap.TransformationUtils;
import com.bumptech.glide.request.RequestOptions;

import java.security.MessageDigest;

/**
 * @deprecated Use {@link RequestOptions#circleCrop()}.
 */
@Deprecated
public class CropCircleTransformation extends BitmapTransformation {

  private static final int VERSION = 1;
  private static final String ID =
      "jp.wasabeef.glide.transformations.CropCircleTransformation." + VERSION;

  @Override
  protected Bitmap transform(@NonNull Context context, @NonNull BitmapPool pool,
                             @NonNull Bitmap toTransform, int outWidth, int outHeight) {
    return TransformationUtils.circleCrop(pool, toTransform, outWidth, outHeight);
  }

  @Override
  public String toString() {
    return "CropCircleTransformation()";
  }

  @Override
  public boolean equals(Object o) {
    return o instanceof CropCircleTransformation;
  }

  @Override
  public int hashCode() {
    return ID.hashCode();
  }

  @Override
  public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
    messageDigest.update((ID).getBytes(CHARSET));
  }
}