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c:graphics.h:moverel

moverel

Syntax of moverel

#include <graphics.h>
void moverel(int dx, int dy);
 

Description of moverel

moverel moves the current position (CP) dx pixels in the x direction and
dy pixels in the y direction.

Example of moverel

/* moverel 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:");
getch();
exit(1);   /* terminate with an error code */
   }
 
   /* move the CP to location (20,30) */
   moveto(20,30);
 
   /* plot a pixel at the CP */
   putpixel(getx(), gety(), getmaxcolor());
 
   /* create and output a message at (20,30) */
   sprintf(msg, " (%d, %d)", getx(), gety());
   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(), gety(), getmaxcolor());
 
   /* create and output a message at CP */
   sprintf(msg, " (%d, %d)", getx(), gety());
   outtext(msg);
 
   /* clean up */
   getch();
   closegraph();
   return 0;
}

See also

output of moverel example

  no output of example at the moment
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c/graphics.h/moverel.txt · Last modified: 2015/05/06 23:06 (external edit)

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