(PECL cairo >= 0.1.0)
CairoContext::deviceToUser -- cairo_device_to_user — Transform a coordinate
Object oriented style (method):
Procedural style:
Transform a coordinate from device space to user space by multiplying the given point by the inverse of the current transformation matrix (CTM).
A valid CairoContext object created with CairoContext::__construct() or cairo_create()
x value of the coordinate
y value of the coordinate
An array containing the x and y coordinates in the user-space