content: package my.project.moviesbox.config;
  
  import android.graphics.Bitmap;
  import android.graphics.BitmapShader;
  import android.graphics.Canvas;
  import android.graphics.Paint;
  
  import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
  import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
  
  import java.security.MessageDigest;
  
  /**
   * @author Li
   * @version 1.0
   * @description: Glide圆形图实现
   * @date 2024/4/12 10:54
   */
  public class GlideCircleTransform extends BitmapTransformation {
  
      public GlideCircleTransform() {
          super();
      }
  
      @Override
      public Bitmap transform(BitmapPool pool, Bitmap toTransform,
                              int outWidth, int outHeight) {
          return circleCrop(pool, toTransform);
      }
  
      private static Bitmap circleCrop(BitmapPool pool, Bitmap source) {
          if (source == null) return null;
          int size = Math.min(source.getWidth(), source.getHeight());
          int x = (source.getWidth() - size) / 2;
          int y = (source.getHeight() - size) / 2;
          // TODO this could be acquired from the pool too
          Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
          Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
          if (result == null) {
              result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
          }
          Canvas canvas = new Canvas(result);
          Paint paint = new Paint();
          paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
          paint.setAntiAlias(true);
          float r = size / 2f;
          canvas.drawCircle(r, r, r, paint);
          return result;
      }
  
      @Override
      public void updateDiskCacheKey(MessageDigest messageDigest) {
  
      }
  }