php 한글 메뉴얼 도움말 검색 사이트 Get the index of the color which has the hue, white and blackness [function.imagecolorclosesthwb]

int imagecolorclosesthwb ( resource $image , int $red , int $green , int $blue )

Get the index of the color which has the hue, white and blackness nearest the given color.

Returns an integer with the index of the color which has the hue, white and blackness nearest the given color.

Example #1 Example of using imagecolorclosesthwb()


<?php
$im = imagecreatefromgif('php.gif');

echo 'HWB: ' . imagecolorclosesthwb($im, 116, 115, 152);

imagedestroy($im);
?>

위 예제의 출력 예시:

HWB: 33

버전	설명
5.3.0	This function is now available on Windows