[Lazarus] Labels and Font size

[Mattias Gaertner]

On Mon, 18 Mar 2013 18:50:23 +0000
Graeme Geldenhuys <graeme at geldenhuys.co.uk> wrote:

> On 2013-03-18 16:39, Jürgen Hestermann wrote:
> > What I just found is that this is influenced by the Windows font size settings.
> > It is "big" on my machine and "normal" on the machine at work.
> > If I change it to normal on my machine everything looks okay.
> > Do you mean this too?
> 
> Yes, that is exactly what I meant.  Kylix (and I believe Delphi) had a
> DPI setting stored in the form file (*.xfm). This was then used to
> automatically scale the form and its content if another system had a
> different DPI value.

That does not work well, because of rounding errors and different
fonts/themes.

 
> Incidentally, this is also why popular toolkits like GTK2+, Qt and Java
> have layout managers - the prevent such dip issues with great ease.

Yes, layout managers are a solution, although IMO "great ease" is an
exaggeration.
 
> How this is handled in LCL is beyond me. I think I say a article in the
> wiki, where somebody developed 2-3 functions ScaleDpi() etc that helps
> with this problem. It wasn't perfect, but much better than nothing.


Mattias