Imagick::getImageChannelRange

(PECL imagick 2.2.1)

Imagick::getImageChannelRange — Gets channel range

说锟斤拷

Imagick::getImageChannelRange ( int $channel ) : array

Gets the range for one or more image channels. 锟剿凤拷锟斤拷锟斤拷Imagick锟斤拷锟斤拷ImageMagick 6.4.0锟斤拷锟较版本锟斤拷锟斤拷时锟斤拷锟矫★拷

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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. 锟轿匡拷锟斤拷 通锟斤拷锟斤拷锟斤拷锟叫憋拷

锟斤拷锟斤拷值

Returns an array containing minima and maxima values of the channel(s).

锟斤拷锟斤拷锟届常

锟斤拷锟斤拷时锟阶筹拷 ImagickException锟斤拷