curve.h File Reference

Header file for path and curve data structures. More...

#include "auxiliary.h"

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Data Structures
struct	privcurve_s
	More...
struct	sums_s
struct	potrace_privpath_s
	More...
Typedefs
typedef struct privcurve_s	privcurve_t
typedef struct sums_s	sums_t
typedef struct potrace_privpath_s	potrace_privpath_t
typedef potrace_privpath_t	privpath_t
typedef potrace_path_t	path_t
Functions
path_t *	path_new (void)
	Create a new path.
void	path_free (path_t *p)
	Free a path.
void	pathlist_free (path_t *plist)
	Free a pathlist.
int	privcurve_init (privcurve_t *curve, int n)
	Initialize the members of the given curve structure to size m.
void	privcurve_to_curve (privcurve_t *pc, potrace_curve_t *c)
	Copy private to public curve structure.

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Detailed Description

Header file for path and curve data structures.

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Copyright.

PCB, interactive printed circuit board design

Copyright (C) 2001-2007 Peter Selinger.

This file is part of Potrace. It is free software and it is covered by the GNU General Public License. See the file COPYING for details.

Definition in file curve.h.

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Typedef Documentation

typedef potrace_path_t path_t

Definition at line 92 of file curve.h.

typedef struct potrace_privpath_s potrace_privpath_t

Definition at line 88 of file curve.h.

typedef struct privcurve_s privcurve_t

Definition at line 51 of file curve.h.

typedef potrace_privpath_t privpath_t

Definition at line 91 of file curve.h.

typedef struct sums_s sums_t

Definition at line 61 of file curve.h.

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Function Documentation

void path_free

(

path_t *

p

)

Free a path.

Leave errno untouched.

Definition at line 77 of file curve.c.

References potrace_privpath_s::curve, potrace_privpath_s::lon, potrace_privpath_s::ocurve, potrace_privpath_s::po, potrace_path_s::priv, privcurve_free_members(), potrace_privpath_s::pt, and potrace_privpath_s::sums.

Referenced by bm_to_pathlist(), and pathlist_free().

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path_t* path_new

(

void

)

Create a new path.

Definition at line 37 of file curve.c.

References potrace_path_s::priv, and SAFE_MALLOC.

Referenced by findpath().

void pathlist_free

(

path_t *

plist

)

Free a pathlist.

Leave errno untouched.

Definition at line 102 of file curve.c.

References list_forall_unlink, and path_free().

Referenced by gcode_do_export().

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int privcurve_init	(	privcurve_t *	curve,
		int	n
	)

Initialize the members of the given curve structure to size m.

Returns:

0 on success, 1 on error with errno set.

Definition at line 122 of file curve.c.

References privcurve_s::alpha, privcurve_s::alpha0, privcurve_s::beta, privcurve_s::c, n, privcurve_s::n, SAFE_MALLOC, privcurve_s::tag, and privcurve_s::vertex.

Referenced by adjust_vertices(), and opticurve().

void privcurve_to_curve	(	privcurve_t *	pc,
		potrace_curve_t *	c
	)

Copy private to public curve structure.

Definition at line 148 of file curve.c.

References privcurve_s::c, potrace_curve_s::c, privcurve_s::n, potrace_curve_s::n, privcurve_s::tag, and potrace_curve_s::tag.