rectangle

Draws a rectangle.

Defined in header <graphics.h>

Syntax

#include <graphics.h>
void  far rectangle(int   left, int top, int right, int bottom);

Portability

Remarks

rectangle draws a rectangle in the current line style, thickness, and drawing color.

{left,top) is the upper left corner of the rectangle, and {right,bottom) is its lower right corner.

Return value

None.

See also

• bar
• barSd
• setcolor
• setlinestyle

Example

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

int main(void)
{
   /* request autodetection  */
   int gdriver = DETECT, gmode,  errorcode;
   int left, top, right, bottom;

   /* 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:");
      getchO ;
   exit(l) ;               /* terminate with an error code */

left = getmaxxO   / 2 - 50;
top = getmaxyO   / 2 - 50;
right = getmaxxO   / 2 + 50;
bottom = getmaxyO   / 2 + 50;

/* draw a rectangle  */
rectangle (left,top,right,bottom);

/* clean up */
getchO ;
closegraphO ;
return 0;

Differences from modern implementations

Nothing recorded yet.

Modern references

• Microsoft C runtime (search)

These are search links, not yet checked by hand.

Stable link: /3.1/graphics.h/rectangle/ · short form /3.1/rectangle/