The ImagickPixel class
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ImagickPixel::setColorValue

(PECL imagick 2.0.0)

ImagickPixel::setColorValueSets the normalized value of one of the channels

说明

bool ImagickPixel::setColorValue ( int $color , float $value )
Warning

本函数暂无文档,仅有参数列表。

Sets the value of the specified channel of this object to the provided value, which should be between 0 and 1. This function can be used to provide an opacity channel to an ImagickPixel object.

参数

color

One of the Imagick channel color constants.

value

The value to set this channel to, ranging from 0 to 1.

返回值

Returns TRUE on success.


The ImagickPixel class
PHP 手册