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Syntax of restorecrtmode

#include <graphics.h>
void restorecrtmode(void);

Description of restorecrtmode

restorecrtmode restores the original video mode detected by initgraph.
This function can be used in conjunction with setgraphmode to switch back
and forth between text and graphics modes. textmode should not be used
for this purpose; use it only when the screen is in text mode, to change
to a different text mode.

Example of restorecrtmode

/* restorecrtmode example */
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
   /* request autodetection */
   int gdriver = DETECT, gmode, errorcode;
   int x, y;
   /* 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:");
exit(1);   /* terminate with an error code */
   x = getmaxx() / 2;
   y = getmaxy() / 2;
   /* output a message */
   settextjustify(CENTER_TEXT, CENTER_TEXT);
   outtextxy(x, y, "Press any key to exit graphics:");
   /* restore system to text mode */
   printf("We're now in text mode.\n");
   printf("Press any key to return to graphics mode:");
   /* return to graphics mode */
   /* output a message */
   settextjustify(CENTER_TEXT, CENTER_TEXT);
   outtextxy(x, y, "We're back in graphics mode.");
   outtextxy(x, y+textheight("W"), "Press any key to halt:");
   /* clean up */
   return 0;

See also

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

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