glyph_rect
void prepare(glyph_rect* r, double x, double y, unsigned glyph, bool flip)
glyph_rect r;
typedef typename glyph_gen_type::glyph_rect glyph_rect;
glyph_rect r;
typedef typename glyph_gen_type::glyph_rect glyph_rect;
glyph_rect r;
typedef typename glyph_gen_type::glyph_rect glyph_rect;