Scroll to navigation

TTDEBUG(1) General Commands Manual TTDEBUG(1)


ttdebug - a TrueType bytecode debugger


ttdebug [options] index size font


ttdebug is an interactive TrueType bytecode debugger working in a terminal. Its spartanic interface faintly resembles debuggers like gdb.

For the specified font, a glyph with the given index and size is loaded, making it possible to trace the bytecode execution step by step.

This program is part of the FreeType demos package.


-I ver
Use TrueType interpreter version ver. Available versions are depending on compilation options of FreeType; call ttdebug without an argument to get the actual list.
-f face_index
To access member font face_index (default zero) in TTCs.
-d "axis1 axis2 ..."
Specify the design coordinates for each variation axis at start-up.
Show version.
May 2019 FreeType 2.10.1