add character spacing support to Text element

[wyshmily]

Is this hard?
Or how can I achieve this by myself?

[stevenbrix]

Thanks @wyshmily for filing this request! We could potentially start discussing the implementation of this once we've finished open sourcing the rest of the wpf codebase. Do you have an idea of what you'd like the API to look like?

[wyshmily]

Just like Control.FontSizeProperty, TextBlock.FontSizeProperty, TextElement.FontSizeProperty,
I think there should be Control.LetterSpacingProperty, TextBlock.LetterSpacingProperty and TextElement.LetterSpacingProperty

<TextBlock LetterSpacing="5" Text="Some Text" />
<TextBox LetterSpacing="5" Text="Some Text" />
<Grid TextElement.LetterSpacing="5"></Grid>

[bsivanov]

I think this was implemented in Silverlight, but I just can't find the API reference, it was somewhere here before: https://docs.microsoft.com/en-us/previous-versions/, maybe the API and some implementation could be reused.

[bsivanov]

I think it was this one: Control.CharacterSpacing Property

[maxs]

It still very demanding feature. Below sample from Figma.

[araghon007]

I'm also interested in how to achieve custom character spacing. All answers I found online either didn't take into account original kerning, or were far too complex or inefficient. I believe the best way would be to add (or subtract) to existing kerning, since kerning can be disabled using Typography.Kerning="False" if needed.

[Rekkonnect]

Because of this last comment I discovered Typography.CapitalSpacing, which does a good enough job to avoid confusing letters together in some cases. It's not configurable by itself, since it's just a toggle, but it might be helpful enough for somebody.

[SetTrend]

Same here.

See #10037

Added request to be able to separately define CharacterSpacing and WordSpacing
(with WordSpacing using CharacterSpacing value if undefined).