content: /*******************************************************************************
   * Copyright 2011-2013 Sergey Tarasevich
   *
   * 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 com.nostra13.universalimageloader.core.process;
  
  import android.graphics.Bitmap;
  import com.nostra13.universalimageloader.core.DisplayImageOptions;
  
  /**
   * Makes some processing on {@link Bitmap}. Implementations can apply any changes to original {@link Bitmap}.<br />
   * Implementations have to be thread-safe.
   *
   * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
   * @since 1.8.0
   */
  public interface BitmapProcessor {
  	/**
  	 * Makes some processing of incoming bitmap.<br />
  	 * This method is executing on additional thread (not on UI thread).<br />
  	 * <b>Note:</b> If this processor is used as {@linkplain DisplayImageOptions.Builder#preProcessor(BitmapProcessor)
  	 * pre-processor} then don't forget {@linkplain Bitmap#recycle() to recycle} incoming bitmap if you return a new
  	 * created one.
  	 *
  	 * @param bitmap Original {@linkplain Bitmap bitmap}
  	 * @return Processed {@linkplain Bitmap bitmap}
  	 */
  	Bitmap process(Bitmap bitmap);
  }
  