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…how on earth can we test an application to support fractional coordinates?
If we feed applications ONLY with fonts that do NOT have fractional coordinates, how can we test an application to support a font with fractional coordinates?
How can we test whether cars support square tires, if we never put on square tires on cars?
I like using arrow keys and having the "snap" of whole integers.
Perhaps this is like discovering a new color you could never see, and finding out you've been wearing tinted glasses your whole life
Design a font in a higher than usual UPM value, let's say 4000, while the coordinates are integer values. (It might be useful if it would be possible, during the design of a font, to be able to convert from coordinates with integer values to coordinates with decimals, and vice versa.) In the final phase, when the final font file has to be generated, convert the 4000 x 4000 integer UPM grid to a 1000 x 1000 UPM grid which uses coordinates with decimals. During this conversion, the precision of the coordinates should not be altered, so coordinate values should not be rounded.
I like using arrow keys [...]
But I've been using Illustrator since before 1.0, and it's just very natural for me.
Can we expect that something like this will be possible in the future? Or is this, perhaps, already possible today?
You can't use cursor keys to move a handle directly, of course, but you can nudge a whole curve one way or the other with a great deal of precision.
You can do that in Glyphs. There is a custom parameter to scale the font on export time.
How do you work around the inability to fix angles of smooth handles? And believe me, moving handles with cursor keys is a big deal. And moving a hole bunch of them at once...