moverel
raw OCR
Moves the current position (CP) a relative distance.
Defined in header <graphics.h>
Syntax
#include <graphics.h>
void far moverel(int dx, int rfy);
Portability
| DOS | UNIX | Windows | ANSI C | C++ only |
|---|---|---|---|---|
| ■ |
Remarks
moverel moves the current position (CP) dx pixels in the x direction and dy pixels in the y direction.
Return value
None.
See also
Example
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
/* request autodetection */
int gdriver = DETECT, gmode, errorcode;
char msg[80];
/* 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 */
/* move the CP to location (20,30) */
moveto(20,30);
/* plot a pixel at the CP */
putpixel (getx(), getyO, getmaxcolor ()) ;
/* create and output a message at (20,30) */
sprintf(msg, " (%d, %d)", getx(), getyO);
outtextxy(20,30, msg) ;
/* move to a point a relative distance away from the current CP */
moverel(100, 100);
/* plot a pixel at the CP */
putpixel(getx(), getyO, getmaxcolor ());
/* create and output a message at CP */
sprintf(msg, " (%d, %d)", getxO, getyO);
outtext(msg);
/* clean up */
getchO ;
closegraphO ;
return 0;
Differences from modern implementations
Nothing recorded yet.
Modern references
These are search links, not yet checked by hand.
Stable link: /3.1/graphics.h/moverel/
· short form /3.1/moverel/