modules/midp-lcdui/src/main/java/cc/squirreljme/runtime/lcdui/gfx/ProxyGraphicsTarget.java

   1 // -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the GNU General Public License v3+, or later.
   7 // See license.mkd for licensing and copyright information.
   8 // ---------------------------------------------------------------------------
   9
  10 package cc.squirreljme.runtime.lcdui.gfx;
  11
  12 import javax.microedition.lcdui.Graphics;
  13
  14 /**
  15  * This is used for the target of any {@link ProxyGraphics}.
  16  *
  17  * @since 2022/02/25
  18  */
  19 public final class ProxyGraphicsTarget
  20 {
  21         /** The target graphics object. */
  22         volatile Graphics _target;
  23
  24         /**
  25          * Initializes the target graphics.
  26          *
  27          * @param __g The graphics to target.
  28          * @throws NullPointerException On null arguments.
  29          * @since 2022/02/25
  30          */
  31         public ProxyGraphicsTarget(Graphics __g)
  32                 throws NullPointerException
  33         {
  34                 if (__g == null)
  35                         throw new NullPointerException("NARG");
  36
  37                 this._target = __g;
  38         }
  39
  40         /**
  41          * Sets the graphics to draw onto.
  42          *
  43          * @param __g The graphics to target.
  44          * @throws NullPointerException On null arguments.
  45          * @since 2022/02/25
  46          */
  47         public void setGraphics(Graphics __g)
  48                 throws NullPointerException
  49         {
  50                 if (__g == null)
  51                         throw new NullPointerException("NARG");
  52
  53                 this._target = __g;
  54         }
  55 }