Convert a MC to Image Using Binary Data

programming flash
1

How can I change this so it saves the image as binary data. This code works fine but when the image is created the file size is too big.PLEASE HELP!!
:jail:


import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.ColorTransform;
import flash.geom.Matrix;

/**
 * Little and simple print flash screen class
 */
class PrintScreen {

    public var addListener:Function;
    public var broadcastMessage:Function;

    private var id:Number;
    public var record:LoadVars;

    function PrintScreen () {
        AsBroadcaster.initialize (this);
    }
    public function print (mc:MovieClip, x:Number, y:Number, w:Number, h:Number) {
        broadcastMessage ("onStart",mc);
        if (x == undefined) {
            x = 0;
        }
        if (y == undefined) {
            y = 0;
        }
        if (w == undefined) {
            w = mc._width;
        }
        if (h == undefined) {
            h = mc._height;
        }
        var bmp:BitmapData = new BitmapData (w, h, false);
        record = new LoadVars ();
        record.width = w;
        record.height = h;
        record.cols = 0;
        record.rows = 0;
        var matrix = new Matrix ();
        matrix.translate (-x,-y);
        bmp.draw (mc,matrix,new ColorTransform (),1,new Rectangle (0, 0, w, h));
        id = setInterval (copysource, 2, this, mc, bmp);
    }

    private function copysource (scope, movie, bit) {
        var pixel:Number;
        var str_pixel:String;
        scope.record["px" + scope.record.rows] = new Array ();
        for (var a = 0; a < bit.width; a++) {
            pixel = bit.getPixels (a, scope.record.rows);
            str_pixel = pixel.toString (16);
            if (pixel == 0xFFFFFF) {
                str_pixel = "";
            }
            // don't send blank pixel 
            scope.record["px" + scope.record.rows].push (str_pixel);
        }
        scope.broadcastMessage ("onProgress",movie,scope.record.rows,bit.height);// send back the progress status
        scope.record.rows += 1;
        if (scope.record.rows >= bit.height) {
            clearInterval (scope.id);
            scope.broadcastMessage ("onComplete",movie,scope.record);// completed!
            bit.dispose ();
        }
    }
}