[retox]

Interesting to perhaps no one else but those others that have suffered with it, the PDF specification allows drawing rectangles and other in-line graphical elements inside a 'sort of' canvas from a bottom right co-ordinate space only. I wondered for a while why that was.

[andreareina]

Do you mean the bottom left corner? That's what ReportLab (python PDF authoring package) uses. It kinda makes sense wrt the cartesian coordinate system where x coordinate increases to the right and the y coordinate increases upwards, thus the origin is at the bottom left. But yeah, from a UX perspective it's one of those cases where practicality would have been better than purity.