The 5th Annual China PHP Conference



(PECL cairo >= 0.1.0)

CairoContext::deviceToUserDistance -- cairo_device_to_user_distanceTransform a distance


Stile orientato agli oggetti (method):

public array CairoContext::deviceToUserDistance ( float $x , float $y )

Stile procedurale:

array cairo_device_to_user_distance ( CairoContext $context , float $x , float $y )

Transform a distance vector from device space to user space. This function is similar to CairoContext::deviceToUser() or cairo_device_to_user() except that the translation components of the inverse Cairo Transformation Matrix will be ignored when transforming (x,y).

Elenco dei parametri


A valid CairoContext object created with CairoContext::__construct() or cairo_create()


X component of a distance vector


Y component of a distance vector

Valori restituiti

Returns an array with the x and y values of a distance vector in the user-space

Vedere anche:

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