NCVISUAL_OPTION_ADDALPHA

libnotcurses_sys::c_api

Constant NCVISUAL_OPTION_ADDALPHA 

Source 
pub const NCVISUAL_OPTION_ADDALPHA: NcVisualFlag_u64 = _; // 16u64
Expand description

NcVisualFlag_u64 flag to treat as transparent the color specified in the transcolor field.