icon.java

一个OR Mapping 工具

package org.dbgen.view;

/******************************************************************************
 * Copyright (c) 1996, Software Technologies Corporation, All Rights Reserved *
 *                                                                            *
 * This program, and all the routines referenced herein, are the proprietary  *
 * properties and trade secrets of SOFTWARE TECHNOLOGIES CORPORATION.         *
 *                                                                            *
 * Except as provided for by license agreement, this program shall not be     *
 * duplicated, used or disclosed without the written consent, signed by an    *
 * officer of SOFTWARE TECHNOLOGIES CORPORATION.                              *
 *                                                                            *
 ******************************************************************************/

import java.awt.*;
import java.awt.image.*;

/**
 * <p>
 * Abstract "Base" Icon class.  Both keeps information about the Icon and handles
 * getting the actual Image from the icon array.
 * </p>
 * <p>
 * This class is used as a base class to create in-memory icons from
 * an array.
 * </p>
 * <p>
 * In order to create icons from gifs use the ImageToIcon java program
 * provided in common.
 * </p>
 * <p>
 * Once an icon is created, simply compile that icon and in your code call
 * new Icon<IconName>.getImage().
 * </p>
 * <p>
 * For example: Image default=new IconDefault().getImage();
 * </p>
 * @author Andrea Joy Spilholtz
 */
public abstract class Icon extends Object
{

  /* ********************************************************* */
  /* CONSTANTS                                                 */
  /* ********************************************************* */
  public final static String RCS_ID="$Id: Icon.java,v 1.2 2000/07/12 08:01:21 tomkwong Exp $";


  /* ********************************************************* */
  /* PRIVATE DATA                                              */
  /* ********************************************************* */
  private int _width;
  private int _height;
  private int[] _icon;

  /* ********************************************************* */
  /* CONSTRUCTORS                                              */
  /* ********************************************************* */
  /**
   * <p>
   * Set up icon information.
   * <p>
   * @param width The width of the icon in pixels
   * @param height The height of the icon in pixels
   * @param icon The array of integers representing the icon
   */
  public Icon(int width, int height, int[] icon)
  {
    _width=width;
    _height=height;
    _icon=icon;
  }

  public int getHeight()
  { return _height; }
  public int[] getIconArray()
  { return _icon; }

  /**
   * <p>
   * Takes the array representing the icon and turns it into
   * a real Image.
   * </p>
   * @return    the icon as an Image
   */
  public Image getImage()
  {
    Image im=null;
    MemoryImageSource mis =
      new MemoryImageSource(getWidth(),getHeight(),getIconArray(),0,getWidth());
    im = Toolkit.getDefaultToolkit().createImage(mis);

    return im;
  }

  /* ********************************************************* */
  /* PUBLIC METHODS                                            */
  /* ********************************************************* */
  public int getWidth()
  { return _width; }
}