lv_font_glyph_release_draw_data() function
Release the bitmap of a font.
Arguments
g_dsc
the glyph descriptor including which font to use, which supply the glyph_index and the format.
Notes
You must call lv_font_get_glyph_dsc() to get `g_dsc` (lv_font_glyph_dsc_t) before you can call this function.