[fpc-pascal] X, Y co-ordinate system under OS/2

Graeme Geldenhuys graemeg.lists at gmail.com
Thu Oct 29 09:51:21 CET 2009


On 29/10/2009, Juha Manninen <juha.manninen at phnet.fi> wrote:
>
> If done right, the code doing coordinate conversion should be in library
>  Canvas class, not in application code.

That's how I would have implemented in it fpGUI as well. The higher
level code uses x, y as normal. The drawing backend code does
conversions if needed.

That's how I handle differences between Windows GDI API and XLib API.

-- 
Regards,
  - Graeme -


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fpGUI - a cross-platform Free Pascal GUI toolkit
http://opensoft.homeip.net/fpgui/



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