content: package com.github.airsaid.accountbook.widget.transform;
  
  /**
   * Copyright (C) 2015 Wasabeef
   *
   * 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.
   */
  
  import android.content.Context;
  import android.graphics.Bitmap;
  
  import com.bumptech.glide.Glide;
  import com.bumptech.glide.load.Transformation;
  import com.bumptech.glide.load.engine.Resource;
  import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
  import com.bumptech.glide.load.resource.bitmap.BitmapResource;
  
  public class CropSquareTransformation implements Transformation<Bitmap> {
  
    private BitmapPool mBitmapPool;
    private int mWidth;
    private int mHeight;
  
    public CropSquareTransformation(Context context) {
      this(Glide.get(context).getBitmapPool());
    }
  
    public CropSquareTransformation(BitmapPool pool) {
      this.mBitmapPool = pool;
    }
  
    @Override
    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
      Bitmap source = resource.get();
      int size = Math.min(source.getWidth(), source.getHeight());
  
      mWidth = (source.getWidth() - size) / 2;
      mHeight = (source.getHeight() - size) / 2;
  
      Bitmap.Config config =
          source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
      Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
      if (bitmap == null) {
        bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
      }
  
      return BitmapResource.obtain(bitmap, mBitmapPool);
    }
  
    @Override public String getId() {
      return "CropSquareTransformation(width=" + mWidth + ", height=" + mHeight + ")";
    }
  }
  