[noviKorisnik]

Ko zna gde mi su formule, evo malo koda, to je AS, lako je prepraviti u JS

mcPanel.rgb2hsb = function () : Void
{
//	sets h, s and b values based on r, g and b
	var min : Number = Math.min (Math.min (this.rgb.r, this.rgb.g), this.rgb.b);
	var max : Number = Math.max (Math.max (this.rgb.r, this.rgb.g), this.rgb.b);
	var delta : Number = max - min;
	if (delta == 0)
	{
		this.hsb.h = 360;
		this.hsb.s = 0;
		this.hsb.b = max / 255 * 100;
	}
	else
	{
		if (this.rgb.r == max) this.hsb.h = (this.rgb.g - this.rgb.b) / delta;
		else if (this.rgb.g == max) this.hsb.h = 2 + (this.rgb.b - this.rgb.r) / delta;
		else this.hsb.h = 4 + (this.rgb.r - this.rgb.g) / delta;
		this.hsb.h *= 60;
		this.hsb.h += 360;
		this.hsb.h %= 360;
		this.hsb.s = (1 - min / max) * 100;
		this.hsb.b = max / 255 * 100;
	}
}

mcPanel.hsb2rgb = function () : Void
{
//	sets r, g and b value on h, s and b info
	var max : Number = this.hsb.b * 255 / 100;
	var min : Number = (1 - this.hsb.s / 100) * max;
	this.hsb.h %= 360;
	var f : Number;
	if (this.hsb.h < 60) f = this.hsb.h;
	else if (this.hsb.h < 180) f = this.hsb.h - 120;
	else if (this.hsb.h < 300) f = this.hsb.h - 240;
	else f = this.hsb.h - 360;
	var mid : Number = min + Math.abs (f / 60) * (max - min);
	max = Math.round (max);
	mid = Math.round (mid);
	min = Math.round (min);
	switch (Math.floor (this.hsb.h / 60))
	{
		case 0:
			this.rgb.r = max;
			this.rgb.g = mid;
			this.rgb.b = min;
			break;
		case 1:
			this.rgb.r = mid;
			this.rgb.g = max;
			this.rgb.b = min;
			break;
		case 2:
			this.rgb.r = min;
			this.rgb.g = max;
			this.rgb.b = mid;
			break;
		case 3:
			this.rgb.r = min;
			this.rgb.g = mid;
			this.rgb.b = max;
			break;
		case 4:
			this.rgb.r = mid;
			this.rgb.g = min;
			this.rgb.b = max;
			break;
		case 5:
			this.rgb.r = max;
			this.rgb.g = min;
			this.rgb.b = mid;
			break;
	}
}