(PECL gmagick >= Unknown)

Gmagick::modulateimageControl the brightness, saturation, and hue


public Gmagick::modulateimage ( float $brightness , float $saturation , float $hue ) : Gmagick

Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.

Список параметров


The percent change in brighness (-100 thru +100).


The percent change in saturation (-100 thru +100)


The percent change in hue (-100 thru +100)

Возвращаемые значения

The Gmagick object on success


Вызывает GmagickException при ошибке.

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