1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 import javax.microedition.lcdui.*;

    19 import javax.microedition.midlet.*;

    20 

    21 /**

    22  * This class tests fillArc() method functionality.

    23  */

    24 

    25 public class CanvasTests_01 extends Canvas implements CommandListener

    26 {

    27 

    28     // Reference to MIDlet

    29     private MIDlet parent = null;

    30     // Commands for the canvas

    31     private Command cmdReset = new Command("Reset values", Command.SCREEN, 1);

    32     private Command cmdSize = new Command("Toggle size", Command.SCREEN, 1);

    33     private Command cmdExit = new Command("Exit", Command.EXIT, 1);

    34 

    35     private int startAngle = 0;

    36     private int arcAngle = 0;

    37     private int size = 30;

    38 

    39     /**

    40      *

    41      * @param parent The parent MIDlet

    42      */

    43     public CanvasTests_01(MIDlet parent)

    44     {

    45         this.parent = parent;

    46         addCommand(cmdReset);

    47         addCommand(cmdSize);

    48         addCommand(cmdExit);

    49         setCommandListener(this);

    50 

    51         setFullScreenMode(true);

    52         Display.getDisplay(parent).setCurrent(this);

    53     }

    54 

    55     protected void paint(Graphics g)

    56     {

    57         g.setGrayScale(255);

    58         g.fillRect(0, 0, getWidth(), getHeight());

    59         int height = g.getFont().getHeight();

    60 

    61         g.setGrayScale(0);

    62         g.drawString("fillArc function test", 0, 0, Graphics.TOP|Graphics.LEFT);

    63 

    64         g.drawString("fillArc(30,60," + size + "," + size + "," + startAngle + "," + arcAngle + ")", 0, 30, Graphics.TOP|Graphics.LEFT);

    65         g.fillArc(30, 60, size, size, startAngle, arcAngle);

    66     }

    67 

    68     public void commandAction(Command c, Displayable s)

    69     {

    70         if(c == cmdReset)

    71         {

    72             startAngle = 0;

    73             arcAngle = 0;

    74             size = 30;

    75         }

    76         else if(c == cmdSize)

    77         {

    78             size += 10;

    79             if(size > 300)

    80                 size = 10;

    81         }

    82         else if(c == cmdExit)

    83         {

    84             parent.notifyDestroyed();

    85         }

    86     }

    87 

    88     protected void keyPressed(int kyCode)

    89     {

    90         handleKeyPress(kyCode);

    91     }

    92 

    93     protected void keyRepeated(int kyCode)

    94     {

    95         handleKeyPress(kyCode);

    96     }

    97 

    98     protected void handleKeyPress(int kyCode)

    99     {

   100         if(getGameAction(kyCode) == Canvas.UP)

   101         {

   102             startAngle++;

   103         }

   104         else if(getGameAction(kyCode) == Canvas.DOWN)

   105         {

   106             startAngle--;

   107         }

   108         else if(getGameAction(kyCode) == Canvas.LEFT)

   109         {

   110             arcAngle--;

   111         }

   112         else if(getGameAction(kyCode) == Canvas.RIGHT)

   113         {

   114             arcAngle++;

   115         }

   116         else if(getGameAction(kyCode) == Canvas.GAME_A)

   117         {

   118             size += 10;

   119             if(size > 300)

   120                 size = 10;

   121         }

   122         repaint();

   123         serviceRepaints();

   124     }

   125 }