(PHP 4, PHP 5, PHP 7)
imagecolorset — 锟斤拷指锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷锟借定锟斤拷色
$image
, int $index
, int $red
, int $green
, int $blue
) : void锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟借定为指锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷锟节碉拷色锟斤拷图锟斤拷锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷洌╢lood-fill锟斤拷锟斤拷效锟斤拷锟斤拷锟斤拷锟矫ｏ拷锟斤拷去锟斤拷锟斤拷锟饺ワ拷锟斤拷目锟斤拷锟斤拷锟�
锟轿硷拷 imagecolorat()锟斤拷