ciao ragazzi!
ho creato una funzione che mi crea un oggetto bitmap al suo interno.
vorrei utilizzare l'oggetto creato per applicare dei filtri
solo che nn so come fare a richiamare l'oggetto appena creato
codice:
carica_img = function (dest_mc:MovieClip, file_name):BitmapData {
//create a movie clip to hold the external file
this.createEmptyMovieClip("holder", this.getNextHighestDepth());
/*
Use the MovieClipLoader class so we can be told
when the external file loads or fails to load
*/
loader = new MovieClipLoader();
//Give us status updates by firing events
loader.addListener(this);
//Load the external file into the holding movie clip
loader.loadClip(file_name, holder);
//this function is called by the 'loader' object when the file is loaded and ready to use
loader.onLoadInit = function() {
//Create a new bitmap object in memory that is the same size as
//the loaded file and fill it with transparent pixels
myBitmap = new BitmapData(holder._width, holder._height, true, 0x00FFFFFF);
//Snapshot the movie clip that contains the external file we loaded
myBitmap.draw(holder);
//
//we don't need this movie clip anymore, so remove it
//we already have the bmp in myBitmap istance
//NOTE that bmp doesn't appear since we attach it on a clip
holder.removeMovieClip();
//
//
_root.test.attachBitmap(myBitmap, 1);
};
//this function is called by the 'loader' object if the file couldn't be loadd
function onLoadError() {
/*
The external file failed to load so we don't need
the holding movieclip anymore
*/
holder.removeMovieClip();
}
return myBitmap;
};
dopo aver chiamato la func vorrei poter utilizzare myBitmap...
ma come valore è undefined 
sapete dirmi perchè?
grazieeeee