Imagick::clampImage
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Imagick::clampImage — Description
说明
public
Imagick::clampImage ([
int
$channel
= Imagick::CHANNEL_DEFAULT ] ) :
bool
Restricts the color range from 0 to the quantum depth.
参数
-
channel
-
返回值
成功时返回 TRUE
, 或者在失败时返回 FALSE
。