GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
Loading...
Searching...
No Matches
path.h File Reference
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures

struct  vertex
 
struct  path
 

Enumerations

enum  path_mode { P_MOVE , P_CONT , P_CLOSE }
 

Functions

void path_init (struct path *)
 
void path_free (struct path *)
 
void path_alloc (struct path *, int)
 
void path_reset (struct path *)
 
void path_append (struct path *, double, double, int)
 
void path_copy (struct path *, const struct path *)
 
void path_begin (struct path *)
 
void path_move (struct path *, double, double)
 
void path_cont (struct path *, double, double)
 
void path_close (struct path *)
 
void path_stroke (struct path *, void(*)(double, double, double, double))
 

Enumeration Type Documentation

◆ path_mode

enum path_mode
Enumerator
P_MOVE 
P_CONT 
P_CLOSE 

Definition at line 4 of file path.h.

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 path::alloc, path::count, vertex::mode, path_alloc(), path::vertices, vertex::x, 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 path::count, and path::start.

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(), path::start, path::vertices, 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(), 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 )

Definition at line 51 of file path.c.

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

◆ 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 path::count, P_MOVE, path_append(), path::start, 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(* line )(double, double, double, double) )

Definition at line 96 of file path.c.

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

Referenced by PNG_Stroke().