[Lazarus] Hi-DPI tweak of components
Ondrej Pokorny
lazarus at kluug.net
Thu Jun 8 13:16:58 CEST 2023
On 08.06.2023 12:24, Giuliano Colla wrote:
>
> Il 08/06/23 11:58, Ondrej Pokorny via lazarus ha scritto:
>> All in all, an over-complicated approach with little gain.
>
> The gain would be that you do not add up rounding errors. We can't
> have fractional pixels, of course, but we may have the exact actual
> size at design/creation time, and for each different DPI the best
> approximation to the actual size. If you switch back and forth between
> two monitors with different DPI the rounding errors remain constant,
> they don't add up.
As I showed in my last email, switching back and forth between two
monitors with different DPI the rounding errors remain constant even
with the current integer-precision pixel values. The rounding errors
never add up.
So the problem you want to solve does not exist in the first place.
Ondrej
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