menupainter.java

来自「手机应用程序之蓝牙编程源代码。。蓝牙编程爱好者课用」· Java 代码 · 共 53 行

// Copyright (c) 2005 Sony Ericsson Mobile Communications AB
//
// This software is provided "AS IS," without a warranty of any kind. 
// ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
// INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
// PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. 
//
// THIS SOFTWARE IS COMPLEMENTARY OF JAYWAY AB (www.jayway.se)

package bluegammon.gui.menu;

import javax.microedition.lcdui.Graphics;

/**
 * The <code>MenuPainter</code> interface defines high-level methods
 * when drawing contents of a <code>Menu</code>, which consists of
 * <code>MenuPage</code>s and <code>PageItem</code>s. An implementation
 * of this interface is provided when constructing a <code>Menu</code>.
 * @author Peter Andersson
 */
public interface MenuPainter
{
  /**
   * Paints a static menu.
   * 
   * @param g		The graphics context to draw to.
   * @param menu	The menu to draw.
   * @param x		Offset x coordinate.
   * @param y		Offset y coordinate.
   * @param width	The width of the menu.
   * @param height	The height of the menu.
   */
  public void paintMenu(Graphics g, MenuPage menu,
      int x, int y, int width, int height);
  
  /**
   * Paints a transition between menus.
   * 
   * @param g			The graphics context to draw to.
   * @param fromMenu	Source menu.
   * @param toMenu		Destination menu.
   * @param x			Offset x coordinate.
   * @param y			Offset y coordinate.
   * @param width		The width of the menu.
   * @param height		The height of the menu.
   * @param frame		Current frame (0 - frames).
   * @param frames		Maximum frames in this transition.
   * @param back		True if going back to a page, false otherwise.
   */
  public void paintTransition(Graphics g, MenuPage fromMenu, MenuPage toMenu,
      int x, int y, int width, int height, int frame, int frames, boolean back);
}