CairoContext
PHP Manual

CairoContext::deviceToUserDistance

cairo_device_to_user_distance

(PECL cairo >= 0.1.0)

CairoContext::deviceToUserDistance -- cairo_device_to_user_distanceTransform a distance

説明

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 ).

パラメータ

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

返り値

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

例1 Object oriented style

<?php
/* ... */
?>

上の例の出力は、 たとえば以下のようになります。

...

例2 Procedural style

<?php
/* ... */
?>

上の例の出力は、 たとえば以下のようになります。

...

参考


CairoContext
PHP Manual