mr_line.h File Reference

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Data Structures
struct	MrLine
	2D Line More...
Defines
#define	MR_LINE_DIFF_X1(l1, l2)   ((l1).x1 - (l2).x1)
#define	MR_LINE_DIFF_Y1(l1, l2)   ((l1).y1 - (l2).y1)
#define	MR_BB_WIDTH(bb)   ((bb).x2 - (bb).x1)
#define	MR_BB_HEIGHT(bb)   ((bb).y2 - (bb).y1)
Typedefs
typedef MrLine	MrLine
Functions
MrLine *	mr_line_new ()
MrLine *	mr_line_new_init (int x1, int y1, int x2, int y2)
void	mr_line_set (MrLine *dst, const MrLine *src)
void	mr_line_free (void *l)

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Define Documentation

#define MR_BB_HEIGHT (  bb   )     ((bb).y2 - (bb).y1)

Gives the height of a bounding box.

#define MR_BB_WIDTH (  bb   )     ((bb).x2 - (bb).x1)

Gives the width of a bounding box.

#define MR_LINE_DIFF_X1 (  l1, l2   )     ((l1).x1 - (l2).x1)

Simple L1 distance in X for starting positions.

#define MR_LINE_DIFF_Y1 (  l1, l2   )     ((l1).y1 - (l2).y1)

Simple L1 distance in Y for starting positions.

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Typedef Documentation

typedef struct MrLine MrLine

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Function Documentation

void mr_line_free (  void *  l  )

Destroy a line.

MrLine* mr_line_new (   )

Creates a new line with zero coordinates.

MrLine* mr_line_new_init (  int  x1, int  y1, int  x2, int  y2 )

Creates a new line with specified coordinates.

void mr_line_set (  MrLine *  dst, const MrLine *  src )

Copy the coordinate of a specified line.

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