line

Syntax

#include <graphics.h>
void line(int x1, int y1, int x2, int y2);

Description

line draws a line in the current color, using the current line style and thickness between the two points specified, (x1,y1) and (x2,y2), without updating the current position (CP).

Return Value

None.

See also

getlinesettings

linerel

lineto

setcolor

setlinestyle

setwritemode

Example

/* line example */ 

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>

int main(void)
{

   /* request autodetection */
   int gdriver = DETECT, gmode, errorcode;
   int xmax, ymax;

   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "");

   /* read result of initialization */
   errorcode = graphresult();

   if (errorcode != grOk) { /* an error occurred */
      printf("Graphics error: %s\n", grapherrormsg(errorcode));

      printf("Press any key to halt:");
      getch();
      exit(1);
   }

   setcolor(getmaxcolor());
   xmax = getmaxx();
   ymax = getmaxy();

   /* draw a diagonal line */
   line(0, 0, xmax, ymax);

   /* clean up */
   getch();
   closegraph();
   return 0;
}