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Syntax of line

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

Description of line

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).

Example of line

/* 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:");
   xmax = getmaxx();
   ymax = getmaxy();
   /* draw a diagonal line */
   line(0, 0, xmax, ymax);
   /* clean up */
   return 0;

See also

output of line example

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c/graphics.h/line.txt · Last modified: 2024/02/16 01:05 (external edit)

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