GRASS GIS 8 Programmer's Manual 8.3.2(2024)-exported
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path.c File Reference
#include <grass/gis.h>
#include "path.h"
Include dependency graph for path.c:

Go to the source code of this file.

Functions

void path_init (struct path *p)
 
void path_free (struct path *p)
 
void path_alloc (struct path *p, int n)
 
void path_reset (struct path *p)
 
void path_append (struct path *p, double x, double y, int mode)
 
void path_copy (struct path *dst, const struct path *src)
 
void path_begin (struct path *p)
 
void path_move (struct path *p, double x, double y)
 
void path_cont (struct path *p, double x, double y)
 
void path_close (struct path *p)
 
void path_stroke (struct path *p, void(*line)(double, double, double, double))
 

Function Documentation

◆ path_alloc()

void path_alloc ( struct path p,
int  n 
)

Definition at line 22 of file path.c.

References path::alloc, and path::vertices.

Referenced by path_append(), and path_copy().

◆ path_append()

void path_append ( struct path p,
double  x,
double  y,
int  mode 
)

Definition at line 37 of file path.c.

References vertex::mode, path_alloc(), vertex::x, and vertex::y.

Referenced by path_close(), path_cont(), path_copy(), and path_move().

◆ path_begin()

void path_begin ( struct path p)

Definition at line 66 of file path.c.

References vertex::x.

Referenced by HTML_Begin(), and PNG_Begin().

◆ path_close()

void path_close ( struct path p)

Definition at line 83 of file path.c.

References P_CLOSE, path_append(), vertex::x, and vertex::y.

Referenced by HTML_Close(), PNG_Close(), png_draw_line(), and png_polygon().

◆ path_cont()

void path_cont ( struct path p,
double  x,
double  y 
)

Definition at line 78 of file path.c.

References P_CONT, path_append(), vertex::x, and vertex::y.

Referenced by HTML_Cont(), PNG_Cont(), and png_draw_line().

◆ path_copy()

void path_copy ( struct path dst,
const struct path src 
)

◆ path_free()

void path_free ( struct path p)

Definition at line 12 of file path.c.

References path::alloc, path::count, G_free(), path::start, and path::vertices.

◆ path_init()

void path_init ( struct path p)

Definition at line 4 of file path.c.

References path::alloc, path::count, NULL, path::start, and path::vertices.

◆ path_move()

void path_move ( struct path p,
double  x,
double  y 
)

Definition at line 72 of file path.c.

References P_MOVE, path_append(), vertex::x, and vertex::y.

Referenced by HTML_Move(), png_draw_line(), and PNG_Move().

◆ path_reset()

void path_reset ( struct path p)

Definition at line 31 of file path.c.

References path::count, and path::start.

Referenced by HTML_Stroke(), path_copy(), and path_stroke().

◆ path_stroke()

void path_stroke ( struct path p,
void(*)(double, double, double, double)  line 
)

Definition at line 96 of file path.c.

References vertex::mode, P_MOVE, path_reset(), vertex::x, and vertex::y.

Referenced by PNG_Stroke().