On Sat, Jul 04, 2020 at 04:42:27PM +0100, Ashley Dixon wrote:
> Apple were amongst the first to deal in multicolour fonts, in which they used
> a proprietary extension to OpenType that allowed them to store raster
> images (PNGs) in blocks within the TTF file, which they used to create the
> emoji font [1, 2, 3]. However, this is very atypical and not good practice
> when designing fonts. Few, if any, of the fonts on that website actually
> lock you to using a single colour; they're just displayed like that to show
> visitors what they look like.
> 
> If you want those particular effects, you could use something like GIMP to
> make the fonts transparent on another layer and then use the gradient tool.
> 
> [1] https://stackoverflow.com/q/9534902
> [2] https://graphicdesign.stackexchange.com/q/64917
> [3] https://bugzilla.mozilla.org/show_bug.cgi?id=119490#c120

Addendum. Longer explanation: https://en.wikipedia.org/wiki/OpenType#Color_fonts

-- 

Ashley Dixon
suugaku.co.uk

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