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Typecast

Typecast is a font development environment for OpenType font technology. Developments include:

  • An outline editor for both TrueType and PostScript (CFF) outlines
  • TrueType hinting engine
  • PostScript hinting engine
  • Hinting debuggers
  • Font conversion utilities
  • Font handling libraries for use in wider application development

Parts of the Typecast libraries are used in the Apache Batik project, for conversion from TrueType to SVG fonts.

File Formats

OpenType fonts come in a small range of file format flavours. Typecast supports the following:

  • ttf - The basic TrueType font file
  • otf - Essentially the same as ttf, but usually contain a PostScript outline rather than a TrueType outline
  • ttc - TrueType Collection file. This is a collection of fonts that share some common tables. Often utilised by far eastern fonts to make more efficient use of shared components
  • dfont - A Macintosh Font Suitcase resource file, with the resources in the data fork - as utilised by MacOS X

Export Formats

  • svg - Scalable Vector Graphics font data

Outlines

Outline support includes both TrueType and PostScript Charstring Type 2 outlines.

Advanced Typographic Tables

Partial support is in place for the Advanced Typographic Tables, specifically the GPOS and GSUB tables. All advanced tables will be implemented in the ongoing development.