bitmap as mask

i have few imported images in library i'd use mask fit on video can't work. here's how works far. imported image photoshop .psd transparent layers.

 

import flash.display.sprite;

import flash.media.video;

import flash.display.movieclip;

 

public class main extends sprite {

public function main() {

     private var video:video = new video();

     private var dot:movieclip = new symbol1();

    

    

     video.width = 160;

     video.height = 90;

 

     video.x = 443; //video position

     video.y = 190;

     addchild(video); //add video stage

    

     dot.x = video.x;

     dot.y = video.y;

     addchild(dot);

 

     video.mask = dot;

}

}

 

this doesn't work. video gets masked whole image, , not shape trasparent layer.

 

so figure i'd have convert psd bitmap, cause sounds can use bitmaps. draged psd image flash bitmapdata file in library. still doesn't work. here's new code:

 

private var dot:bitmapdata = new bitmap6;

 

public function main {

          video.x = 443; //video position

                                        video.y = 190;

                                        addchild(video); //add video stage

 

                                        dot.x = video.x;

                                        dot.y = video.y;

                                        addchild(dot);

 

                                        video.mask = dot;

}

 

but these compiler errors:

 

 

	1119: access of possibly undefined property x through reference static type flash.display:bitmapdata.
	1119: access of possibly undefined property y through reference static type flash.display:bitmapdata.
	1067: implicit coercion of value of type flash.display:bitmapdata unrelated type flash.display:displayobject.
	1067: implicit coercion of value of type flash.display:bitmapdata unrelated type flash.display:displayobject.

 

 

so i'm not sure do. can me out?

thanks, if can help.

nevermind, totally figured out on own. image needs imported png or bitmap. then:

 

public class main extends sprite {

public function main() {

     private var video:video = new video();

     private var dot:bitmapdata = new symbol1();

     private var mymask:bitmap = new bitmap(dot);

   

     video.width = 160;

     video.height = 90;

 

     video.x = 443; //video position

     video.y = 190;

     addchild(video); //add video stage

  

            video.cacheasbitmap = true;  // pretty important

            mymask.cacheasbitmap = true;

 

     mymask.x = video.x;

     mymask.y = video.y;

     addchild(mymask);

 

     video.mask = mymask;

}

}

 

well... anyway anyone.

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