Imagick
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Imagick::getSamplingFactors

(PECL imagick 2.0.0)

Imagick::getSamplingFactorsGets the horizontal and vertical sampling factor

说明

array Imagick::getSamplingFactors ( void )

Gets the horizontal and vertical sampling factor.

返回值

Returns an associative array with the horizontal and vertical sampling factors of the image.

错误/异常

错误时抛出 ImagickException。


Imagick
PHP 手册