Ant example source code file (DrawOperation.java)

This example Ant source code file (DrawOperation.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

drawoperation, drawoperation, planarimage, planarimage

The DrawOperation.java source code

/*
 *  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.tools.ant.types.optional.image;

import javax.media.jai.PlanarImage;

/**
 * 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 multible
 * "drawable" objects to be nested.
 *
 * @see org.apache.tools.ant.taskdefs.optional.image.Image
 */
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
     */
    PlanarImage executeDrawOperation();
}