ttdebug(1) a TrueType bytecode debugger

SYNOPSIS

ttdebug [options] index size font

DESCRIPTION

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.

OPTIONS

-H
Using hinting engine version 35 (default is version 38). It essentially means to deactivate subpixel hinting similar to ClearType.
-v
Show version.