www.pudn.com > Bluegammon蓝牙的应用编程.rar > MenuPainter.java

// 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 MenuPainter interface defines high-level methods 
 * when drawing contents of a Menu, which consists of 
 * MenuPages and PageItems. An implementation 
 * of this interface is provided when constructing a Menu. 
 * @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); 
}