<?php
	//////////////////////////////////////////////////////////////////////////////////	
	// CIRCLES 
	//////////////////////////////////////////////////////////////////////////////////	
	function drawCircle($radius, $xstart, $ystart, $linesize, $r, $g, $b){

 		$circle = new SWFShape();
		$circle->setline($linesize, $r, $g, $b);

		$a = $radius * 0.414213562; //tan(22.5deg)
		$b = $radius * 0.707106781; //sqrt(2)/2 = sin(45deg)

 		$circle->movePenTo($xstart+$radius, $ystart);
		$circle->drawCurveTo($xstart+$radius, $ystart-$a, $xstart+$b, $ystart-$b);
		$circle->drawCurveTo($xstart+$a, $ystart-$radius, $xstart, $ystart-$radius);
		$circle->drawCurveTo($xstart-$a, $ystart-$radius, $xstart-$b, $ystart-$b);
		$circle->drawCurveTo($xstart-$radius, $ystart-$a, $xstart-$radius, $ystart);
		$circle->drawCurveTo($xstart-$radius, $ystart+$a, $xstart-$b, $ystart+$b);
		$circle->drawCurveTo($xstart-$a, $ystart+$radius, $xstart, $ystart+$radius);
		$circle->drawCurveTo($xstart+$a, $ystart+$radius, $xstart+$b, $ystart+$b);
		$circle->drawCurveTo($xstart+$radius, $ystart+$a, $xstart+$radius, $ystart);

		return $circle;

	}
	function drawFilledCircle($radius, $xstart, $ystart, $linesize,$sr, $sg, $sb, $r, $g, $b){

 		$circle = new SWFShape();
		$circle->setline($linesize, $sr, $sg, $sb);
		$circle->setrightfill($r, $g, $b);

		$a = $radius * 0.414213562; //tan(22.5deg)
		$b = $radius * 0.707106781; //sqrt(2)/2 = sin(45deg)

 		$circle->movePenTo($xstart+$radius, $ystart);
		$circle->drawCurveTo($xstart+$radius, $ystart-$a, $xstart+$b, $ystart-$b);
		$circle->drawCurveTo($xstart+$a, $ystart-$radius, $xstart, $ystart-$radius);
		$circle->drawCurveTo($xstart-$a, $ystart-$radius, $xstart-$b, $ystart-$b);
		$circle->drawCurveTo($xstart-$radius, $ystart-$a, $xstart-$radius, $ystart);
		$circle->drawCurveTo($xstart-$radius, $ystart+$a, $xstart-$b, $ystart+$b);
		$circle->drawCurveTo($xstart-$a, $ystart+$radius, $xstart, $ystart+$radius);
		$circle->drawCurveTo($xstart+$a, $ystart+$radius, $xstart+$b, $ystart+$b);
		$circle->drawCurveTo($xstart+$radius, $ystart+$a, $xstart+$radius, $ystart);

		return $circle;

	}
	//example
	//$circle = drawCircle($rad+($i*2), 100, 100-($rad+$i*2), .5, 255, 255, 255);

	function drawFilledCircleAlpha($radius, $xstart, $ystart, $linesize, $r, $g, $b, $alpha){

 		$circle = new SWFShape();
		$circle->setline($linesize, $r, $g, $b, $alpha);
		$circle->setrightfill($r, $g, $b, $alpha);

		$a = $radius * 0.414213562; //tan(22.5deg)
		$b = $radius * 0.707106781; //sqrt(2)/2 = sin(45deg)

 		$circle->movePenTo($xstart+$radius, $ystart);
		$circle->drawCurveTo($xstart+$radius, $ystart-$a, $xstart+$b, $ystart-$b);
		$circle->drawCurveTo($xstart+$a, $ystart-$radius, $xstart, $ystart-$radius);
		$circle->drawCurveTo($xstart-$a, $ystart-$radius, $xstart-$b, $ystart-$b);
		$circle->drawCurveTo($xstart-$radius, $ystart-$a, $xstart-$radius, $ystart);
		$circle->drawCurveTo($xstart-$radius, $ystart+$a, $xstart-$b, $ystart+$b);
		$circle->drawCurveTo($xstart-$a, $ystart+$radius, $xstart, $ystart+$radius);
		$circle->drawCurveTo($xstart+$a, $ystart+$radius, $xstart+$b, $ystart+$b);
		$circle->drawCurveTo($xstart+$radius, $ystart+$a, $xstart+$radius, $ystart);

		return $circle;

	}
	//////////////////////////////////////////////////////////////////////////////////	
	// SQUARES
	//////////////////////////////////////////////////////////////////////////////////	
	function drawSquare($x0, $y0, $x1, $y1, $linesize, $r, $g, $b, $a=200)
	{
		$square = new SWFShape();
		$square->setLine($linesize, $r, $g, $b, $a);

		$square->movePenTo($x0, $y0);
		$square->drawLineTo($x1, $y0);
		$square->drawLineTo($x1, $y1);
		$square->drawLineTo($x0, $y1);
		$square->drawLineTo($x0, $y0);

		return $square;
	}

	function drawFilledSquare($x0, $y0, $x1, $y1, $linesize, $r, $g, $b)
	{
		$square = new SWFShape();
		$square->setLine($linesize, $r, $g, $b);
		$square->setRightFill($r, $g, $b);

		$square->movePenTo($x0, $y0);
		$square->drawLineTo($x1, $y0);
		$square->drawLineTo($x1, $y1);
		$square->drawLineTo($x0, $y1);
		$square->drawLineTo($x0, $y0);

		return $square;
	}
	function drawFilledSquareAlpha($x0, $y0, $x1, $y1, $linesize, $r, $g, $b, $a)
	{
		$square = new SWFShape();
		$square->setLine($linesize, $r, $g, $b, $a);
		$square->setRightFill($r, $g, $b, $a);

		$square->movePenTo($x0, $y0);
		$square->drawLineTo($x1, $y0);
		$square->drawLineTo($x1, $y1);
		$square->drawLineTo($x0, $y1);
		$square->drawLineTo($x0, $y0);

		return $square;
	}
	function drawFilledSquareStroked($x0, $y0, $x1, $y1, $linesize, $r, $g, $b, $sr, $sg, $sb)
	{
		$square = new SWFShape();
		$square->setLine($linesize, $sr, $sg, $sb);
		$square->setRightFill($r, $g, $b);

		$square->movePenTo($x0, $y0);
		$square->drawLineTo($x1, $y0);
		$square->drawLineTo($x1, $y1);
		$square->drawLineTo($x0, $y1);
		$square->drawLineTo($x0, $y0);

		return $square;
	}
	
	//////////////////////////////////////////////////////////////////////////////////	
	// LINES 
	//////////////////////////////////////////////////////////////////////////////////	
	function drawLiner($x0, $y0, $x1, $y1, $linesize, $r, $g, $b){
		$liner = new SWFShape();
		$liner->setLine($linesize, $r, $g, $b);
		
		$liner->movePenTo($x0, $y0);
		$liner->drawLineTo($x1, $y1);
		return $liner;
	}
	function drawTriangle($x0, $y0, $w, $h, $linesize, $r, $g, $b, $sr, $sg, $sb){
		$tri = new SWFShape();
		$tri->setLine($linesize, $sr, $sg, $sb);
		$tri->setRightFill($r, $g, $b);

		$tri->movePenTo($x0, $y0);
		$tri->drawLineTo($w, $y0);
		$tri->drawLineTo($w, $h);
		$tri->drawLineTo($x0, $y0);
		return $tri;
	}
?>