Imagick::getImageChannelDepth
(PECL imagick 2.0.0)
Imagick::getImageChannelDepth — Gets the depth for a particular image channel
说明
Imagick::getImageChannelDepth (
int
$channel
) :
int
Gets the depth for a particular image channel.
参数
-
channel
-
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为
Imagick::CHANNEL_DEFAULT
. 参考此 通道常数列表
返回值
成功时返回 TRUE
。