bres_line.c File Reference

#include <grass/gis.h>

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Functions
int	G_bresenham_line (register int x0, register int y0, int x1, int y1, int(*point)())
	Bresenham line algorithm.

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Function Documentation

int G_bresenham_line	(	register int	x0,
		register int	y0,
		int	x1,
		int	y1,
		int(*)()	point
	)

Bresenham line algorithm.

Draws a line from x1,y1 to x2,y2 using Bresenham's algorithm. A routine to plot points must be provided, as is defined as: point(x, y) plot a point at x,y This routine does not require a previous call to G_setup_plot to function correctly, and is independent of all following routines.

Parameters:

	x0
	y0
	x1
	y1
	point

Returns:

int

Definition at line 21 of file bres_line.c.