TTDEBUG(1) General Commands Manual TTDEBUG(1) NAME ttdebug - 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 -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. -v Show version. FreeType 2.13.2 August 2023 TTDEBUG(1)