Documentation

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    1. Home
    2. Font File Formats
    3. SFD

    What's on this Page

      • What is a SFD file?
      • SFD File Format
        • Header
      • References

    What is a SFD file?

    A file with .sfd (Spline Font Database) extension is native ASCII font format for font editing software - FontForge. The software supports supports many other common font formats and is freely available. The software can be used for almost all modern operating systems including Linux, Windows, and MacOS.

    SFD File Format

    SFD files are ASCII files that are human readable and are easily transferred across the internet. It is identified by application/vnd.font-fontforget-sfd as its MIME type.

    Header

    A common SFD file header is as shown in the following exmaple.

    SplineFontDB: 3.0
    FontName: Ambrosia
    FullName: Ambrosia
    FamilyName: Ambrosia
    DefaultBaseFilename: Ambrosia-1.0
    Weight: Medium
    Copyright: Copyright (C) 1995-2000 by George Williams
    Comments: This is a funny font.
    UComments: "This is a funny font."
    FontLog: "Create Jan 2008"
    Version: 001.000
    ItalicAngle: 0
    UnderlinePosition: -133
    UnderlineWidth: 20
    Ascent: 800
    Descent: 200
    sfntRevision: 0x00078106
    WidthSeparation: 140
    LayerCount: 4
    Layer: 0 0 "Back" 1
    Layer: 1 1 "Fore" 0
    Layer: 2 0 "Cubic_Fore" 0
    Layer: 3 0 "Test" 1
    DisplaySize: -24
    DisplayLayer: 1
    AntiAlias: 1
    WinInfo: 64 16 4
    FitToEm: 1
    UseUniqueID: 0
    UseXUID: 1
    XUID: 3 18 21
    Encoding: unicode
    Order2: 1
    OnlyBitmaps: 0
    MacStyle: 0
    TeXData: 1 10485760 0 269484 134742 89828 526385 1048576 89828
    CreationTime: 1151539072
    ModificationTime: 11516487392
    GaspTable 3 8 2 16 1 65535 3 0
    DEI: 91125
    ExtremaBound: 30
    

    References

    • SFD File Format by FontForge