Tags and custom vector glyph emoji (from Re: Tailoring the Marketplace (is: Re: Unicode Emoji 5.0 characters now final))

Philippe Verdy verdy_p at wanadoo.fr
Tue Apr 4 08:11:17 CDT 2017

2017-04-04 12:18 GMT+02:00 William_J_G Overington <wjgo_10009 at btinternet.com

> > ... developers prefer investing time in SVG renderers or existing font
> technologies for OpenType (SVG fonts will come later when it will be
> capable of doing the same things as OpenType, for now it does not cover all
> the existing needs).
> Well, I do not know what developers prefer. There seems to be a need to
> send custom emoji in interoperable Unicode plain text and I have put
> forward an idea for how to do it.

You just know what you isolately prefer: can't you see that what you
propose is even less powerfull than a **STANDARD** SVG path ? it already
has eveything you 'propose", except that it is already widely implemented
and developers will prefer reuing them directly.

A SVG path looks like "M100,100h800v800h-800z" to draw a square 800-sized
centered in a 1000-sized square, there's no need for "x" or "y", there are
shortcuts already defined for horizontal or vertical strokes (using
relative or absolute coordinates) and path closure, and it supports
straight segments, cubic and quadratic splines and elliptic arcs. Its
internal "machine" is very well documented (with extensive conformance
tests for renderers, including for all supported geometric transforms and
conversion of paths for creating stroke styles instead of filling them
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