cover_type
typedef int8u cover_type;
typedef int8u cover_type;
typedef unsigned char cover_type; //----cover_type
typedef typename amask_type::cover_type cover_type;
typedef agg::cover_type cover_type;
typedef int8u cover_type;
typedef int8u cover_type;
typedef T cover_type;
typedef T cover_type;
typedef T cover_type;
typedef bool cover_type;
typedef int8u cover_type;
typedef base_type::cover_type cover_type;
typedef int8u cover_type;
typedef base_type::cover_type cover_type;
typedef int8u cover_type;
typedef int8u cover_type;
typedef int8u cover_type;
typedef T cover_type;
typedef T cover_type;
typedef T cover_type;
typedef int8u cover_type;
typedef int8u cover_type;