php顏色值轉換 php實作16進位數字與顏色值的轉換
-
-
/** - * 颜色值与16进制数字的转换
- * edit: WWW.JBXUE.COM
- */
- function toHex($N) {
- if ($N==NULL) return "00";
- if ($N==0) return "00";
- $N=max(0,$N);
- $N=min($N,255);
- $N=round($N);
- $string = "0123456789ABCDEF";
- $val = (($N-$N%16)/16);
- $s1 = $string{$val};
- $val = ($N%16);
- $s2 = $string{$val};
- return $s1.$s2;
- }
//颜色值转换为16进制数字 - function rgb2hex($r,$g,$b){
- return toHex($r).toHex($g).toHex($b);
- }
- //16进制数字转换为颜色值
- function hex2rgb($N){
- $dou = str_split($N,2);
- return array(
- "R" => hexdec($dou[0]),
- "G" => hexdec($dou[1]),
- "B" => hexdec($dou[2])
- );
- }
echo rgb2hex(106,48,48); - echo '
';
- print_r(hex2rgb("6A3030"));
- ?>
-
|
本網站聲明
本文內容由網友自願投稿，版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容，請聯絡admin@php.cn
作者最新文章
-
2024-10-22 09:46:29
-
2024-10-13 13:53:41
-
2024-10-12 12:15:51
-
2024-10-11 22:47:31
-
2024-10-11 19:36:51
-
2024-10-11 15:50:41
-
2024-10-11 15:07:41
-
2024-10-11 14:21:21
-
2024-10-11 12:59:11
-
2024-10-11 12:17:31
