update : 2015.11.03
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Get the index of the color which has the hue, white and blackness

imagecolorclosesthwb

(PHP 4 >= 4.0.1, PHP 5, PHP 7)

imagecolorclosesthwbGet the index of the color which has the hue, white and blackness

설명

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.

인수

image

imagecreatetruecolor() 등의 이미지 생성 함수에서 반환한 이미지 자원.

red

Red 컴포넌트 값.

green

Green 컴포넌트 값.

blue

Blue 컴포넌트 값.

반환값

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

예제

Example #1 Example of using imagecolorclosesthwb()

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

echo 
'HWB: ' imagecolorclosesthwb($im116115152);

imagedestroy($im);
?>

위 예제의 출력 예시:

HWB: 33

변경점

버전 설명
5.3.0 This function is now available on Windows

참고