CairoContext
PHP Manual

CairoContext::deviceToUserDistance

cairo_device_to_user_distance

Transform a distance

Description

Object oriented style (method):

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

Procedural style:

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).

Parameters

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

Return Values

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

See Also

  • CairoContext::deviceToUser