Quadrangles

Quadrangles operations. More...

Data Structures
struct	_Eina_Quad
	Quadrangle definition. More...

Typedefs
typedef struct _Eina_Quad	Eina_Quad
	Quadrangle definition.

Functions
EINA_API void	eina_quad_rectangle_to (const Eina_Quad *q, Eina_Rectangle *r)
	Transform the given quadrangle to the given rectangle.
EINA_API void	eina_quad_rectangle_from (Eina_Quad *q, const Eina_Rectangle *r)
	Transform the given rectangle to the given quadrangle.
EINA_API void	eina_quad_coords_set (Eina_Quad *q, double x0, double y0, double x1, double y1, double x2, double y2, double x3, double y3)
	Sets the values of the coordinates of the given quadrangle.
EINA_API void	eina_quad_coords_get (const Eina_Quad *q, double *x0, double *y0, double *x1, double *y1, double *x2, double *y2, double *x3, double *y3)
	Gets the values of the coordinates of the given quadrangle.

Detailed Description

Quadrangles operations.

Function Documentation

eina_quad_rectangle_to()

EINA_API void eina_quad_rectangle_to	(	const Eina_Quad *	q,
		Eina_Rectangle *	r
	)

Transform the given quadrangle to the given rectangle.

Parameters

[in]	q	The quadrangle to get coordinates.
[out]	r	The rectangle.

Since

1.14

eina_quad_rectangle_from()

EINA_API void eina_quad_rectangle_from	(	Eina_Quad *	q,
		const Eina_Rectangle *	r
	)

Transform the given rectangle to the given quadrangle.

Parameters

[in]	q	The quadrangle.
[out]	r	The rectangle to get coordinates.

Since

1.14

eina_quad_coords_set()

EINA_API void eina_quad_coords_set	(	Eina_Quad *	q,
		double	x0,
		double	y0,
		double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3
	)

Sets the values of the coordinates of the given quadrangle.

Parameters

[out]	q	The quadrangle to set coordinates.
[in]	x0	Top left x coordinate.
[in]	y0	Top left y coordinate.
[in]	x1	Top right x coordinate.
[in]	y1	Top right y coordinate.
[in]	x2	Bottom right x coordinate.
[in]	y2	Bottom right y coordinate.
[in]	x3	Bottom left x coordinate.
[in]	y3	Bottom left y coordinate.

Since

1.14

eina_quad_coords_get()

EINA_API void eina_quad_coords_get	(	const Eina_Quad *	q,
		double *	x0,
		double *	y0,
		double *	x1,
		double *	y1,
		double *	x2,
		double *	y2,
		double *	x3,
		double *	y3
	)

Gets the values of the coordinates of the given quadrangle.

Parameters

[in]	q	The quadrangle to get coordinates.
[out]	x0	Top left x coordinate.
[out]	y0	Top left y coordinate.
[out]	x1	Top right x coordinate.
[out]	y1	Top right y coordinate.
[out]	x2	Bottom right x coordinate.
[out]	y2	Bottom right y coordinate.
[out]	x3	Bottom left x coordinate.
[out]	y3	Bottom left y coordinate.

Since

1.14

References _Eina_Quad::x0, _Eina_Quad::x1, _Eina_Quad::x2, _Eina_Quad::x3, _Eina_Quad::y0, _Eina_Quad::y1, _Eina_Quad::y2, and _Eina_Quad::y3.