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imagecolorclosesthwb

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

imagecolorclosesthwb — Get the index of the color which has the hue, white and blackness

Description

代码语言:javascript
复制
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.

Parameters

代码语言:txt
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`image`   

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

red

Value of red component.

green

Value of green component.

blue

Value of blue component.

Return Values

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

Examples

Example #1 Example of using imagecolorclosesthwb()

代码语言:javascript
复制
<?php
$im = imagecreatefromgif('php.gif');

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

imagedestroy($im);
?>

The above example will output something similar to:

代码语言:javascript
复制
HWB: 33

Changelog

Version

Description

5.3.0

This function is now available on Windows

See Also

  • imagecolorclosest() - Get the index of the closest color to the specified color

← imagecolorclosestalpha

imagecolordeallocate →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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