Coordinates

Basic geometry classes. More...

Classes
class	boost::ui::basic_size< T >
	2D size of object data structure with custom coordinates type More...
class	boost::ui::basic_point< T >
	2D point data structure with custom coordinates type More...
class	boost::ui::basic_rect< T >
	2D rectangle plane figure data structure with custom coordinates type More...

Macros
#define	BOOST_UI_USE_GEOMETRY
	Enables Boost.Geometry.
#define	BOOST_UI_USE_POLYGON
	Enables Boost.Polygon.

Typedefs
typedef basic_size< painter::gcoord_type >	boost::ui::gsize
	2D size geometry coordinates
typedef basic_point< painter::gcoord_type >	boost::ui::gpoint
	2D point geometry coordinates
typedef basic_rect< painter::gcoord_type >	boost::ui::grect
	2D rectangle geometry coordinates
typedef int	boost::ui::coord_type
	Widget coordinates signed number type.
typedef basic_size< coord_type >	boost::ui::size
	2D size coordinates
typedef basic_point< coord_type >	boost::ui::point
	2D point coordinates
typedef basic_rect< coord_type >	boost::ui::rect
	2D rectangle coordinates

Detailed Description

Basic geometry classes.

See also

Cartesian coordinate system (Wikipedia)

Geometric primitive (Wikipedia)

Geometry Interfaces (W3C)