[Lazarus] VirtualTreeView rendering on Cocoa

Andrea Mauri andrea.mauri.75 at gmail.com
Wed Mar 13 11:14:48 CET 2019

> It looks like VirtualTreeView is not Hi-DPI aware. Just a guess, but it
> seems that it is generating the treeview rendering on a internal image
> buffer (not hi-dpi sized), and then when blitting that to the actual
> window canvas, the image gets scaled - hence the pixelation. I didn't
> actually look at the the virtualtree code (it is *massive*), but what I
> described is a common problem with custom drawn components.
Thank you Graeme!
Someone know if is there any chance to get it working properly on Cocoa
I can try to have a look at it but my skills in this field are limited.
Where should I look?
Any suggestion?
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