content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.weex.commons.adapter;
  
  import android.graphics.Bitmap;
  
  import com.squareup.picasso.Transformation;
  
  public class BlurTransformation implements Transformation {
  
    private int mRadius;
  
    public BlurTransformation(int radius) {
      mRadius = radius;
    }
  
    @Override public Bitmap transform(Bitmap source) {
      if(mRadius <= 0) {
        return source;
      }
      Bitmap bitmap;
      try {
        bitmap = BlurTool.blur(source, mRadius);
      }catch (Exception e){
        bitmap = source;
      }
      if(bitmap != source) {
        source.recycle();
      }
      return bitmap;
    }
  
    @Override public String key() {
      return "BlurTransformation(radius=" + mRadius + ")";
    }
  }
  