I am trying to adjust the weight of a variable font, Source Code Pro in particular (https://fonts.google.com/specimen/Source+Code+Pro).
I simply call FT_Set_Var_Design_Coordinates with the appropriate parameters, and it basically works, however, it seems to break all the glyph metrics and the whole line of text is displayed with overlapping glyphs, like the advance has become incorrect. This only happens when setting a design coordinate. Do I need to recalculate the metrics or something after changing a variable? I had a look around the docs but could not figure out what I'm doing wrong. Currently using FreeType 2.10.1. Thanks
