Unknown file format: Too many Blue Zones

RoboFont › Forums › Bugs › Unknown file format: Too many Blue Zones

This topic contains 3 replies, has 3 voices, and was last updated by  frederik 7 years, 8 months ago.

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  • February 19, 2013 at 20:15 #5422

    Yanone
    Participant

    I’ve ran across a UFo that I’ve created with 10 Blue Zones and RoboFont Version 1.4 (built 1301142150) refuses to open them:
    The document “Antithesis-Italic.ufo” could not be opened. The file isn’t in the correct format.

    After I manually deleted a few zones, it opens fine. I’ve never heard that there can be too many zones, for sure not 10, so I consider this to be a bug.
    Cheers,
    Yanone

    February 19, 2013 at 20:25 #5423

    Bas
    Participant

    There are some limitations with Blue Zones.

    “Up to seven pairs may be given in the BlueValues array; the first pair must be the baseline pair.”

    “Up to five pairs (10 integers) may be specified in the OtherBlues array”

    Read page 36-38 from T1spec.pdf
    http://partners.adobe.com/public/developer/en/font/T1_SPEC.PDF

    February 19, 2013 at 20:29 #5424

    Yanone
    Participant

    Before having read your reply I just looked up the UFO3 specs and found the same info.
    Thank you.

    February 19, 2013 at 21:06 #5425

    frederik
    Keymaster

    Thanks Bas

    Yanone: how do you end up with a UFO file with 10 zones? (just curious)

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