| 0,0 → 1,57 |
|---|
| <?php |
| |
| // http://www.actionscript.org/forums/archive/index.php3/t-50746.html |
| function HSV_TO_RGB ($H, $S, $V) // HSV Values:Number 0-1 |
| { // RGB Results:Number 0-255 |
| $RGB = array(); |
| |
| if($S == 0) |
| { |
| $R = $G = $B = $V * 255; |
| } |
| else |
| { |
| $var_H = $H * 6; |
| $var_i = floor( $var_H ); |
| $var_1 = $V * ( 1 - $S ); |
| $var_2 = $V * ( 1 - $S * ( $var_H - $var_i ) ); |
| $var_3 = $V * ( 1 - $S * (1 - ( $var_H - $var_i ) ) ); |
| |
| if ($var_i == 0) { $var_R = $V ; $var_G = $var_3 ; $var_B = $var_1 ; } |
| else if ($var_i == 1) { $var_R = $var_2 ; $var_G = $V ; $var_B = $var_1 ; } |
| else if ($var_i == 2) { $var_R = $var_1 ; $var_G = $V ; $var_B = $var_3 ; } |
| else if ($var_i == 3) { $var_R = $var_1 ; $var_G = $var_2 ; $var_B = $V ; } |
| else if ($var_i == 4) { $var_R = $var_3 ; $var_G = $var_1 ; $var_B = $V ; } |
| else { $var_R = $V ; $var_G = $var_1 ; $var_B = $var_2 ; } |
| |
| $R = $var_R * 255; |
| $G = $var_G * 255; |
| $B = $var_B * 255; |
| } |
| |
| $RGB['R'] = $R; |
| $RGB['G'] = $G; |
| $RGB['B'] = $B; |
| |
| return $RGB; |
| } |
| |
| function str_to_color($str) { |
| $str = md5(strtolower($str)); |
| |
| $sum = 0; |
| for ($i=0; $i<strlen($str); $i++) { |
| $c = substr($str,$i,1); |
| $sum += ord($c); |
| } |
| $a = $sum % 255; |
| |
| |
| $r = HSV_TO_RGB($a/255, 1, 0.75); |
| |
| return '#'.str_pad(dechex($r['R']), 2, '0', STR_PAD_LEFT). |
| str_pad(dechex($r['G']), 2, '0', STR_PAD_LEFT). |
| str_pad(dechex($r['B']), 2, '0', STR_PAD_LEFT); |
| } |
| |
| ?> |