import com.quasimondo.bitmapdata.CameraBitmap;
import com.quasimondo.bitmapdata.ThresholdBitmap;
 
var camw:uint = 320;
var camh:uint = 240;
var camfps:uint = 24;
var vieww:uint = 320;
var viewh:uint = 240;
var camerabd:CameraBitmap;
 
function intiWidthView ():void {
	setUpRadio();
 
	camerabd = new CameraBitmap(vieww, viewh, camfps, camw, camh);
	camerabd.addEventListener(Event.RENDER, onRenderCamera);
}
var bitmap:Bitmap = new Bitmap();
bitmap.transform.matrix = new Matrix(-1,0,0,1,vieww,0);
addChild(bitmap);
 
var invertMatrix:Array = [
	-1,  0,  0, 0, 255,
	 0, -1,  0, 0, 255,
	 0,  0, -1, 0, 255,
	 0,  0,  0, 1, 0
];
var filterInvert:ColorMatrixFilter = new ColorMatrixFilter(invertMatrix);
 
var useAlpha:Boolean = false;
var useInvert:Boolean = false;
var thresholdType:String = "NONE";
var bmdcopy:BitmapData = new BitmapData(vieww, viewh, true, 0x00000000);
 
function onRenderCamera(e:Event):void {
	var cbd:BitmapData = camerabd.bitmapData;
	bmdcopy.draw(cbd, new Matrix());
 
	var threshold:BitmapData;
	if ( thresholdType != "NONE" ) {
		threshold = new ThresholdBitmap(cbd, ThresholdBitmap[thresholdType]) as BitmapData;
	}
 
	if (useInvert && threshold) {
		threshold.applyFilter(threshold, new Rectangle(0, 0, vieww, viewh), new Point(0, 0), filterInvert);
	}
 
	var viewbd:BitmapData;
 
	if (useAlpha) {
		if (threshold)
			bmdcopy.copyChannel(threshold, threshold.rect, new Point(), BitmapDataChannel.RED, BitmapDataChannel.ALPHA);
		viewbd = bmdcopy;
	} else {
		viewbd = threshold ? threshold : bmdcopy;
	}
 
	bitmap.bitmapData = viewbd;
}
// =====================================================
// Radiobutton and Checkbox
import com.bit101.components.RadioButton;
import com.bit101.components.CheckBox;
 
var radioContainer:Sprite = new Sprite();
 
function setUpRadio ():void {
	radioContainer.x = vieww;
	addChild(radioContainer);
 
	var labels:Array = [
		"none"
		,"fixed"
		,"entropy"
		,"moment"
		,"discriminant"
		,"otsu"
		,"adaptive"
	];
 
	var i:int = -1;
	var limit:uint = labels.length - 1;
	var radio:RadioButton;
	i++
	radio = new RadioButton( radioContainer, 30, 30 + (i * 20), labels[i], true, onRadioChange );
 
	for ( ;i++ < limit; ) {
		 radio = new RadioButton( radioContainer, 30, 30 + (i * 20), labels[i], false, onRadioChange );
	}
 
	// MASK 
	new CheckBox(radioContainer, 180, 30, "MASK", onCheckboxMaskChange);
 
	// INVERT
	new CheckBox(radioContainer, 180, 60, "INVERT", onCheckboxInvertChange);
}
 
function onRadioChange (e:MouseEvent):void {
	thresholdType = e.currentTarget.label.toUpperCase();
}
 
function onCheckboxMaskChange (e:MouseEvent):void {
	useAlpha = e.currentTarget.selected;
}
 
function onCheckboxInvertChange (e:MouseEvent):void {
	useInvert = e.currentTarget.selected;
}
 
intiWidthView();

var invertMatrix:Array = [
	-1,  0,  0, 0, 255,
	 0, -1,  0, 0, 255,
	 0,  0, -1, 0, 255,
	 0,  0,  0, 1, 0
];
var filterInvert:ColorMatrixFilter = new ColorMatrixFilter(invertMatrix);