s_path.c File Reference

#include "config.h"
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "libgeda_priv.h"

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Data Structures
struct	_RSVGParsePathCtx
Defines
#define	NUM_BEZIER_SEGMENTS   100
Typedefs
typedef struct _RSVGParsePathCtx	RSVGParsePathCtx
Functions
PATH *	s_path_new (void)
PATH *	s_path_new_from (PATH_SECTION *sections)
void	s_path_free (PATH *path)
void	s_path_moveto (PATH *path, double x, double y)
void	s_path_lineto (PATH *path, double x, double y)
void	s_path_curveto (PATH *path, double x1, double y1, double x2, double y2, double x3, double y3)
void	s_path_art_finish (PATH *path)
static void	s_path_arc_segment (RSVGParsePathCtx *ctx, double xc, double yc, double th0, double th1, double rx, double ry, double x_axis_rotation)
static void	s_path_arc (RSVGParsePathCtx *ctx, double rx, double ry, double x_axis_rotation, int large_arc_flag, int sweep_flag, double x, double y)
static void	s_path_parse_default_xy (RSVGParsePathCtx *ctx, int n_params)
static void	s_path_parse_do_cmd (RSVGParsePathCtx *ctx, gboolean final)
static void	s_path_parse_data (RSVGParsePathCtx *ctx, const char *data)
PATH *	s_path_parse (const char *path_str)
char *	s_path_string_from_path (const PATH *path)
int	s_path_to_polygon (PATH *path, GArray *points)
	Converts a path to a polygon.
double	s_path_shortest_distance (PATH *path, int x, int y, int solid)
	Calculates the distance between the given point and the closest point on the given path segment.

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Define Documentation

#define NUM_BEZIER_SEGMENTS   100

Definition at line 44 of file s_path.c.

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Typedef Documentation

typedef struct _RSVGParsePathCtx RSVGParsePathCtx

Definition at line 185 of file s_path.c.

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Function Documentation

PATH* s_path_new

(

void

)

Definition at line 47 of file s_path.c.

PATH* s_path_new_from

(

PATH_SECTION *

sections

)

Definition at line 60 of file s_path.c.

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void s_path_free

(

PATH *

path

)

Definition at line 82 of file s_path.c.

void s_path_moveto	(	PATH *	path,
		double	x,
		double	y
	)

Definition at line 91 of file s_path.c.

void s_path_lineto	(	PATH *	path,
		double	x,
		double	y
	)

Definition at line 121 of file s_path.c.

void s_path_curveto	(	PATH *	path,
		double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	x3,
		double	y3
	)

Definition at line 139 of file s_path.c.

void s_path_art_finish

(

PATH *

path

)

Definition at line 162 of file s_path.c.

static void s_path_arc_segment	(	RSVGParsePathCtx *	ctx,
		double	xc,
		double	yc,
		double	th0,
		double	th1,
		double	rx,
		double	ry,
		double	x_axis_rotation
	)		[static]

Definition at line 199 of file s_path.c.

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static void s_path_arc	(	RSVGParsePathCtx *	ctx,
		double	rx,
		double	ry,
		double	x_axis_rotation,
		int	large_arc_flag,
		int	sweep_flag,
		double	x,
		double	y
	)		[static]

Definition at line 244 of file s_path.c.

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static void s_path_parse_default_xy	(	RSVGParsePathCtx *	ctx,
		int	n_params
	)		[static]

Definition at line 313 of file s_path.c.

static void s_path_parse_do_cmd	(	RSVGParsePathCtx *	ctx,
		gboolean	final
	)		[static]

Definition at line 335 of file s_path.c.

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static void s_path_parse_data	(	RSVGParsePathCtx *	ctx,
		const char *	data
	)		[static]

Definition at line 494 of file s_path.c.

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PATH* s_path_parse

(

const char *

path_str

)

Definition at line 637 of file s_path.c.

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char* s_path_string_from_path

(

const PATH *

path

)

Definition at line 658 of file s_path.c.

int s_path_to_polygon	(	PATH *	path,
		GArray *	points
	)

Parameters:

path	[in] The path to convert to a polygon. This parameter must not be NULL.
points	[out] An array of the polygon's vertices. This parameter must not be NULL.

Returns:

TRUE if the path is closed, FALSE if it is open.

Definition at line 708 of file s_path.c.

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double s_path_shortest_distance	(	PATH *	path,
		int	x,
		int	y,
		int	solid
	)

Parameters:

[in]	path	The path.
[in]	x	The x coordinate of the given point.
[in]	y	The y coordinate of the given point.
[in]	solid	TRUE if the path should be treated as solid, FALSE if the path should be treated as hollow.

Returns:

The shortest distance from the path to the point. With a solid shape, this function returns a distance of zero for interior points. With an invalid parameter, this function returns G_MAXDOUBLE.

Definition at line 768 of file s_path.c.

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