g2d.h File Reference

#include "common/zarray.h"

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Classes
struct	g2d_line_segment_t
struct	g2d_line_t

Functions
double	g2d_line_get_coordinate (const g2d_line_t *line, const double q[2])
void	g2d_line_init_from_points (g2d_line_t *line, const double p0[2], const double p1[2])
int	g2d_line_intersect_line (const g2d_line_t *linea, const g2d_line_t *lineb, double *p)
void	g2d_line_segment_closest_point (const g2d_line_segment_t *seg, const double *q, double *p)
double	g2d_line_segment_closest_point_distance (const g2d_line_segment_t *seg, const double *q)
void	g2d_line_segment_init_from_points (g2d_line_segment_t *seg, const double p0[2], const double p1[2])
int	g2d_line_segment_intersect_segment (const g2d_line_segment_t *sega, const g2d_line_segment_t *segb, double *p)
void	g2d_polygon_add (zarray_t *poly, double v[2])
int	g2d_polygon_contains_point (const zarray_t *poly, double q[2])
int	g2d_polygon_contains_polygon (const zarray_t *polya, const zarray_t *polyb)
zarray_t *	g2d_polygon_create_data (double v[][2], int sz)
zarray_t *	g2d_polygon_create_empty ()
zarray_t *	g2d_polygon_create_zeros (int sz)
int	g2d_polygon_intersects_polygon (const zarray_t *polya, const zarray_t *polyb)
void	g2d_polygon_make_ccw (zarray_t *poly)
int	g2d_polygon_overlaps_polygon (const zarray_t *polya, const zarray_t *polyb)
int	g2d_polygon_rasterize (const zarray_t *poly, double y, double *x)

Function Documentation

double g2d_line_get_coordinate	(	const g2d_line_t *	line,
		const double	q[2]
	)

Definition at line 424 of file g2d.c.

void g2d_line_init_from_points	(	g2d_line_t *	line,
		const double	p0[2],
		const double	p1[2]
	)

Definition at line 412 of file g2d.c.

int g2d_line_intersect_line	(	const g2d_line_t *	linea,
		const g2d_line_t *	lineb,
		double *	p
	)

Definition at line 432 of file g2d.c.

void g2d_line_segment_closest_point	(	const g2d_line_segment_t *	seg,
		const double *	q,
		double *	p
	)

Definition at line 480 of file g2d.c.

double g2d_line_segment_closest_point_distance	(	const g2d_line_segment_t *	seg,
		const double *	q
	)

void g2d_line_segment_init_from_points	(	g2d_line_segment_t *	seg,
		const double	p0[2],
		const double	p1[2]
	)

Definition at line 472 of file g2d.c.

int g2d_line_segment_intersect_segment	(	const g2d_line_segment_t *	sega,
		const g2d_line_segment_t *	segb,
		double *	p
	)

Definition at line 498 of file g2d.c.

void g2d_polygon_add	(	zarray_t *	poly,
		double	v[2]
	)

Definition at line 51 of file g2d.c.

int g2d_polygon_contains_point	(	const zarray_t *	poly,
		double	q[2]
	)

Definition at line 321 of file g2d.c.

int g2d_polygon_contains_polygon	(	const zarray_t *	polya,
		const zarray_t *	polyb
	)

Definition at line 586 of file g2d.c.

zarray_t* g2d_polygon_create_data	(	double	v[][2],
		int	sz
	)

Definition at line 56 of file g2d.c.

zarray_t* g2d_polygon_create_empty

(

)

Definition at line 46 of file g2d.c.

zarray_t* g2d_polygon_create_zeros

(

int

sz

)

Definition at line 66 of file g2d.c.

int g2d_polygon_intersects_polygon	(	const zarray_t *	polya,
		const zarray_t *	polyb
	)

Definition at line 556 of file g2d.c.

void g2d_polygon_make_ccw

(

zarray_t *

poly

)

Definition at line 78 of file g2d.c.

int g2d_polygon_overlaps_polygon	(	const zarray_t *	polya,
		const zarray_t *	polyb
	)

Definition at line 614 of file g2d.c.

int g2d_polygon_rasterize	(	const zarray_t *	poly,
		double	y,
		double *	x
	)

Definition at line 681 of file g2d.c.