note 87502 added to function.imagefilledellipse

This draws an anti-aliased circle with an optional border. Call with <img src="circle.php?r=50&fg=ff0000&bg=000000&bw=5&bc=ffff00"/> to draw a filled circle with radius=50, foreground color=red, background color=black, border width=5, and border color=yellow. Assumes register_globals is on, but you can fix that easily. <?php header('Content-type: image/png'); is_numeric($r) or $r = 8; is_numeric($bw) or $bw = 0; strlen($fg)==6 or $fg = 'e8e8e8'; strlen($bg)==6 or $bg = 'ffffff'; strlen($bc)==6 or $bc = '000000'; function hex2rgb($im,$hex) { return imagecolorallocate($im, hexdec(substr($hex,0,2)), hexdec(substr($hex,2,2)), hexdec(substr($hex,4,2)) ); } $a = $r*2; $b = $a*4; $c = $b/2; $d = $b; $e = $d-($bw*8); $im1 = imagecreatetruecolor($b,$b); $im2 = imagecreatetruecolor($a,$a); imagefill($im1,0,0,hex2rgb($im1,$bg)); if($bw) imagefilledellipse($im1,$c,$c,$d,$d,hex2rgb($im1,$bc)); imagefilledellipse($im1,$c,$c,$e,$e,hex2rgb($im1,$fg)); imagecopyresampled($im2,$im1,0,0,0,0,$a,$a,$b,$b); imagepng($im2); ?> ---- Server IP: 216.235.15.211 Probable Submitter: 70.71.107.94 ---- Manual Page -- http://www.php.net/manual/en/function.imagefilledellipse.php Edit -- https://master.php.net/note/edit/87502 Del: integrated -- https://master.php.net/note/delete/87502/integrated Del: useless -- https://master.php.net/note/delete/87502/useless Del: bad code -- https://master.php.net/note/delete/87502/bad+code Del: spam -- https://master.php.net/note/delete/87502/spam Del: non-english -- https://master.php.net/note/delete/87502/non-english Del: in docs -- https://master.php.net/note/delete/87502/in+docs Del: other reasons-- https://master.php.net/note/delete/87502 Reject -- https://master.php.net/note/reject/87502 Search -- https://master.php.net/manage/user-notes.php