gpc.h File Reference

#include <stdio.h>

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Classes
struct	gpc_vertex
struct	gpc_vertex_list
struct	gpc_polygon
struct	gpc_tristrip

Macros
#define	GPC_EPSILON   (DBL_EPSILON)
#define	GPC_VERSION   "2.32"

Enumerations
enum	gpc_op { GPC_DIFF , GPC_INT , GPC_XOR , GPC_UNION }

Functions
void	gpc_read_polygon (FILE *infile_ptr, int read_hole_flags, gpc_polygon *polygon)
void	gpc_write_polygon (FILE *outfile_ptr, int write_hole_flags, gpc_polygon *polygon)
void	gpc_add_contour (gpc_polygon *polygon, gpc_vertex_list *contour, int hole)
void	gpc_polygon_clip (gpc_op set_operation, gpc_polygon *subject_polygon, gpc_polygon *clip_polygon, gpc_polygon *result_polygon)
void	gpc_tristrip_clip (gpc_op set_operation, gpc_polygon *subject_polygon, gpc_polygon *clip_polygon, gpc_tristrip *result_tristrip)
void	gpc_polygon_to_tristrip (gpc_polygon *polygon, gpc_tristrip *tristrip)
void	gpc_free_polygon (gpc_polygon *polygon)
void	gpc_free_tristrip (gpc_tristrip *tristrip)

Macro Definition Documentation

GPC_EPSILON

#define GPC_EPSILON   (DBL_EPSILON)

Definition at line 47 of file gpc.h.

GPC_VERSION

#define GPC_VERSION   "2.32"

Definition at line 49 of file gpc.h.

Enumeration Type Documentation

gpc_op

enum gpc_op

Enumerator
GPC_DIFF
GPC_INT
GPC_XOR
GPC_UNION

Definition at line 58 of file gpc.h.

Function Documentation

gpc_add_contour()

void gpc_add_contour	(	gpc_polygon *	polygon,
		gpc_vertex_list *	contour,
		int	hole )

Definition at line 1077 of file gpc.c.

gpc_free_polygon()

void gpc_free_polygon

(

gpc_polygon *

polygon

)

Definition at line 1018 of file gpc.c.

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gpc_free_tristrip()

void gpc_free_tristrip

(

gpc_tristrip *

tristrip

)

Definition at line 1755 of file gpc.c.

gpc_polygon_clip()

void gpc_polygon_clip	(	gpc_op	set_operation,
		gpc_polygon *	subject_polygon,
		gpc_polygon *	clip_polygon,
		gpc_polygon *	result_polygon )

Definition at line 1117 of file gpc.c.

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gpc_polygon_to_tristrip()

void gpc_polygon_to_tristrip	(	gpc_polygon *	polygon,
		gpc_tristrip *	tristrip )

Definition at line 1766 of file gpc.c.

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gpc_read_polygon()

void gpc_read_polygon	(	FILE *	infile_ptr,
		int	read_hole_flags,
		gpc_polygon *	polygon )

Definition at line 1030 of file gpc.c.

gpc_tristrip_clip()

void gpc_tristrip_clip	(	gpc_op	set_operation,
		gpc_polygon *	subject_polygon,
		gpc_polygon *	clip_polygon,
		gpc_tristrip *	result_tristrip )

Definition at line 1777 of file gpc.c.

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gpc_write_polygon()

void gpc_write_polygon	(	FILE *	outfile_ptr,
		int	write_hole_flags,
		gpc_polygon *	polygon )

Definition at line 1057 of file gpc.c.