Constant GLYPH_INVALID_INPUT

pub const GLYPH_INVALID_INPUT: Glyph = ffi::PANGO_GLYPH_INVALID_INPUT; // 4_294_967_295u32

A PangoGlyph value for invalid input.

Layout produces one such glyph per invalid input UTF-8 byte and such a glyph is rendered as a crossed box.

Note that this value is defined such that it has the PANGO_GLYPH_UNKNOWN_FLAG set.