TrueType curves

RoboFont Forums Features TrueType curves

This topic contains 3 replies, has 2 voices, and was last updated by  frederik 2 years, 11 months ago.

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  • #5827

    Jeremie
    Member

    Hello,

    Would be great to be able to convert the PS outlines to actual TrueType curves (Quadratic) with no IN curve points added. Is it something that is in the pipeline for next version?

    Also, is it possible to by-pass/customize the way fonts are generated ? For example, is it possible to generate custom/manual TT hinted glyphs without using ttfautohint ?

    #5830

    frederik
    Keymaster

    RoboFont supports true type splines with 2 off curves (there are some historical reasons)

    This means every .ttf opened with RoboFont will have additional points. You can remove them while generating the font cause all those points are labeled.

    Can you write true type instructions and hinting programs?

    #5831

    Jeremie
    Member

    Nice to have the possibility to remove those points. How is that doable? How are they labeled?

    I ‘could’ attempt to write some TT instructions program but I am hoping to see RoboHint at work soon :)

    I guess it’s like the old school <kern> table: one could edit the ttf <glyf> table to add Instructions there… the other problem is to write the <prep> <cvt> <fpgm> <loca> tables… that is another kettle of fish ;-)

    #5840

    frederik
    Keymaster

    A reconstructing pen I wrote a while ago https://gist.github.com/typemytype/10011318

    you can idd wait for RoboHint or add them with fontTools yourself, both are really a good way to spend the night :)

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