[Lazarus] Font sizes on various platforms
Michael Van Canneyt
michael at freepascal.org
Tue Jul 7 15:34:32 CEST 2009
On Tue, 7 Jul 2009, Graeme Geldenhuys wrote:
> Graeme Geldenhuys wrote:
>>
>> - I first thought it was dpi related, but setting Linux to run at 96 dpi
>> and Windows to 96 dpi there is still a size difference. Windows 8 point =
>> Linux 10 point. Why?
>
>
> And here is the exact same issue shown using a web page with CSS.
>
> http://jongrieve.net/faq/dcss/
>
> So the issue is wide spread, but still I don't know why. Also does that mean
> I need to apply the same font size hack as the guy in the CSS article.
>
> eg:
> ifdef MacOS
> NormalFontSize = 13
> elseif Windows
> NormalFontSize = 8
> elseif Linux
> NormalFontSize = 10
> else
> NormalFontSize = 8 // ??? What would be correct as a default?
>
> Label.Font.Size = NormalFontSize;
>
>
> Yuck!!!! Imagine that all over your code? Is the ifdef part could be done
> in some Constants.pas unit and used globally in your application, but still
> it feels like a hack. Not to mention it makes GUI design a lot more difficult
> if the same form is edited on various platforms.
Even single platform it is a mess if you work e.g. in team. My windows DPI is
different from the one from my collega, and when I open his files or vice
versa, the .dfm files of delphi are all messed up. What will happen at the
client, is even more of a mystery... This has been plagueing us since day 1.
Michael.
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