CairoContext::deviceToUserDistance

cairo_device_to_user_distance

(PECL cairo >= 0.1.0)

CairoContext::deviceToUserDistance -- cairo_device_to_user_distanceTransform a distance

Descrição

Estilo orientado à objeto (method):

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

Estilo procedural:

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).

Parâmetros

context

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

x

X component of a distance vector

y

Y component of a distance vector

Valor Retornado

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

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