[Libreoffice-bugs] [Bug 130991] Toolbar arrows too large on 200% scaling

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=130991

Heiko Tietze <heiko.tietze at documentfoundation.org> changed:

           What    |Removed                     |Added
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                 CC|                            |michael.meeks at collabora.com

--- Comment #5 from Heiko Tietze <heiko.tietze at documentfoundation.org> ---
(In reply to Klaus1189 from comment #3)
> Created attachment 158758 [details]
> comparison of 6.2.8.2 and 6.4.1.2

bug 122118 refers to this patch
https://cgit.freedesktop.org/libreoffice/core/commit/?id=b62c43d1200e524369d9c7c2bd1dad3044efd672

Reason was likely the introduction of antialiasing but the past drawing
function was also not really convincing

   while( width >= 1)
   {
      rRenderContext.DrawRect( tools::Rectangle( x, y, x+width-1, y ) );
      y++;
      x++;
      width -= 2;
   }

If we go ahead, and I would do only if more complaints come in, we should
reduce the effect of scaling like 

long width = round(rDropDownRect.getHeight()/5.5) * fScaleFactor * 0.9;

I introduced the values of 5.5 and 7 for bug 122118 by trial and error as
approximation to the normal expander triangle at 100%. Doing the same for
higher scaling makes no sense without hires screen.

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