+Show TOC
×Hide TOC

FPSLoggerUI

Kind of class:	class
Inherits from:	MovieClipHelper
Implements:	IFrameListener
Classpath:	com.bourre.visual.FPSLoggerUI
File last modified:	Wednesday, 31 October 2007, 07:35:30

► View source

▼ Hide source

import com.bourre.log.PixlibStringifier;
import com.bourre.transitions.FPSBeacon;
import com.bourre.transitions.IFrameListener;
import com.bourre.visual.MovieClipHelper;

class com.bourre.visual.FPSLoggerUI 
    extends MovieClipHelper 
    implements IFrameListener
{

    private var _ms : Number;
    private var _fps : Number;
    private var _tf : TextField;
    private var _fmt : TextFormat;
    
    public static var DEFAULT_ID : String = "FPSLoggerUI";
    public static var DEFAULT_DEPTH : Number = 9995;
    public static var DEFAULT_MESSAGE : String = "Current FPS: ";
    public static var DEFAULT_TEXTCOLOR : Number = 0x000000;
    
    public function FPSLoggerUI ( target : MovieClip, depth : Number, id : String )
    {
        super( id?id:FPSLoggerUI.DEFAULT_ID, target? target:_level0 );
        
        view = view.createEmptyMovieClip( "__mc_FPSLoggerUI", depth?depth:FPSLoggerUI.DEFAULT_DEPTH );
        view.createTextField( "__tf_FPSLoggerUI", 0, 0, 0, 100, 22 );
        _tf = view.__tf_FPSLoggerUI;
        _tf.autoSize = "left";

        _init();
    }
    
    public function show() : Void
    {
        FPSBeacon.getInstance().addFrameListener( this );
        super.show();
    }
    
    public function hide() : Void
    {
        FPSBeacon.getInstance().removeFrameListener( this );
        super.hide();
    }
    
    public function setTextFormat( fmt : TextFormat ) : Void
    {
        _fmt = fmt;
        _tf.setTextFormat( _fmt );
    }
    
    private function _init() : Void
    {
        _ms = getTimer();
        _fps = 0;
        _display( 0 );
        setTextFormat( new TextFormat( "verdana", 12, FPSLoggerUI.DEFAULT_TEXTCOLOR ) );
        
        show();
    }
    
    private function _display( n : Number ) : Void
    {
        _tf.text = FPSLoggerUI.DEFAULT_MESSAGE + n.toString();
        _tf.setTextFormat( _fmt );
    }
    
    public function onEnterFrame() : Void
    {
        if( getTimer() - 1000 > _ms )
        {
            _ms = getTimer();
            _display(_fps);
            _fps = 0;
        }
        else
        {
            ++_fps;
        }
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
}