Line styles are dependent on the ‘Cosmetic’ and ‘EndCap’ settings. For Cosmetic
pens with 1-pixel wide lines the dots are elongated. For wider lines it is
possible to get round dots by using the ‘pecRound’ cap style.
If you want to get 1 pixel dots followed by 1 pixel spaces then this works for
dotted Geometric (Cosmetic = false) pen but only looks OK for horizontal and
vertical lines. Guess this is good for grid cell borders.
Regard,
Nigel
> On 29 May 2019, at 22:10, AlexeyT via lazarus
> wrote:
>
> According to MS docs, psDot style must give nice looking 1 pixel dots.
> https://docs.microsoft.com/en-us/windows/desktop/gdi/pen-style
>
> Lazarus creates pen via Widgetset's ExtCreatePen which calls Win32
> ExtCreatePen.
>
> reality: If I set psDot to StringGrid.GridLineStyle, I get ugly dots: each of
> about 3 pixels fragments. psDash is ugly too: dashes are very long.
>
> Why?
>
> --
> Regards,
> Alexey
>
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