Hi!

Currently I'm developing a application to control a process and the width of one form can't be increased to more than 4096 pixels.

My environment is: Lazarus 1.7, FPC 3.1.1 over Linux Mint 17.3 amd64, with Sparta and Anchordocking packages installed.

Why this limit?
Is it some specification?
Can this limit to be increased?

Fabio Luis Girardi wrote

Why this limit? Is it some specification?

Windowing environments tend to have a 32k or 64k window pixel limit (eg: X11 and GDI). So the 4k limit seems to be something introduced by LCL. Unfortunately I can't answer why they introduced a 4k limit though.

Regards,
Graeme

2016-11-30 16:35 GMT-02:00 Graeme Geldenhuys via Lazarus <

I found it. This limit is hardcoded into the sparta, not in LCL.

Mac has high X resolution, so please, dev's,
make thus limit more than 4K. See

* iMac (Retina 5K, 27-inch, Late 2014) and later displays have a 5120-by-2880 native resolution with support for millions of colors.
* iMac (Retina 4K, 21.5-inch, Late 2015) displays have a 4096-by-2304 native resolution with support for millions of colors.

Alex

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Mac has high X resolution, so please, dev's, make thus limit more than 4K. See

As pointed out, this is a limit of Sparta, not of the LCL, nor AnchorDocking.

Mattias