import flash.display.BitmapData;
import flash.geom.Matrix;
 
class labs.otuome.ui.graphics.BackgroundFill
{
	private var _main:MovieClip;
	private var _sub:MovieClip;
	private var _w:Number;
	private var _h:Number;
	private var _gradient:Object;
	private var _bitmap:String;
	private var _fillType:String;
	private var _colors:Array;
	private var _alphas:Array;
	private var _ratios:Array;
	private var _matrix:Matrix;
	private var _tile:BitmapData;
 
	public function BackgroundFill(clip:MovieClip)
	{
		_main = clip;
	}//end constructor
 
	public function fillBg(bg:Object):Void
	{
		_w = Stage.width;
		_h = Stage.height;
		_bitmap = bg.bitmap;
		_gradient = bg.gradient;
		_main.clear();
		_main.lineStyle(1, 0xFFFFFF, 0);
		_sub.clear();
		_sub.lineStyle(1, 0xFFFFFF, 0);
		if (!_gradient)
		{
			_tile = BitmapData.loadBitmap(_bitmap);
			_main.beginBitmapFill(_tile);
			_main.moveTo(0,0);
		} 
		else if (!_bitmap)
		{
			if (_gradient.radial)
			{
				_fillType = "radial";
				_matrix = new Matrix();
				_matrix.createGradientBox(_w,_h,0,0,0);
			} 
			else 
			{
				_fillType = "linear";
				_matrix = new Matrix();
				_matrix.createGradientBox(_w,_h,90/180*Math.PI,0,0);
			}
			//use the defaults for spreadMethod("pad"), interpolationMethod("RGB") and focalPointRatio(0)
			_colors = [_gradient.c1, _gradient.c2];
			_alphas = [_gradient.a1, _gradient.a2];
			_ratios = [_gradient.r1, _gradient.r2];
			_main.beginGradientFill(_fillType, _colors, _alphas, _ratios, _matrix);
		} 
		else 
		{
			_tile = BitmapData.loadBitmap(_bitmap);
			_main.beginBitmapFill(_tile);
			_main.moveTo(0,0);
			if (_gradient.radial)
			{
				_fillType = "radial";
				_matrix = new Matrix();
				_matrix.createGradientBox(_w,_h,0,0,0);
			} 
			else 
			{
				_fillType = "linear";
				_matrix = new Matrix();
				_matrix.createGradientBox(_w,_h,90/180*Math.PI,0,0);
			}
			_colors = [_gradient.c1, _gradient.c2];
			_alphas = [_gradient.a1, _gradient.a2];
			_ratios = [_gradient.r1, _gradient.r2];
			_sub = _main.createEmptyMovieClip("sub",_main.getNextHighestDepth());
			_sub.beginGradientFill(_fillType, _colors, _alphas, _ratios, _matrix);
			_sub.lineTo(_w,0);
			_sub.lineTo(_w,_h);
			_sub.lineTo(0,_h);
			_sub.lineTo(0,0);
			_sub.endFill();
		}
		_main.lineTo(_w,0);
		_main.lineTo(_w,_h);
		_main.lineTo(0,_h);
		_main.lineTo(0,0);
		_main.endFill();
	}
}//end class