PHP Manual
Imagick
Gets the number of unique colors in the image

Imagick::getImageColors

(PECL imagick 2.0.0)

Imagick::getImageColors — Gets the number of unique colors in the image

说明

Imagick::getImageColors ( void ) : int

Gets the number of unique colors in the image.

返回值

Returns an integer, the number of unique colors in the image.

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