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
   *
   *      https://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.tools.ant.types.optional.imageio;
  
  import java.awt.image.BufferedImage;
  
  /**
   * Interface which represents an Operation which is "drawable", such
   * as a Rectangle, Circle or Text.  The Operation is responsible for
   * creating its own image buffer and drawing itself into it, then
   * wrapping and returning it as a PlanarImage.  This allows multiple
   * "drawable" objects to be nested.
   *
   * @see org.apache.tools.ant.taskdefs.optional.image.ImageIOTask
   */
  public interface DrawOperation {
      /**
       * Abstract method which is intended to create an image buffer
       * and return it so it can be drawn into another object.  Use
       * an Alpha channel for a "transparent" background.
       * @return a planar image
       */
      BufferedImage executeDrawOperation();
  }
  