getgraphmode example in c

Header file:

    graphics.h

Synopsis:

      int getgraphmode (void);

     

Description:

     getgraphmode() returns the current graphic mode number.

getgraphmode function in c graphics

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

  int main(void) {
        /* request auto detection */
        int gd = DETECT, gmode, err;
        int midx, midy, mode;
        char str[64];

        /* initialize graphics and local variables */
        initgraph(&gd, &gmode, "C:/TURBOC3/BGI");

        /* read result of initialization */
        err = graphresult();

        /* an error occurred */
        if (err != grOk) {
                printf("Graphics error: %s\n", grapherrormsg(err));
                getch();
                return 0;
        }

        /* mid positions in x and y axis */
        midx = getmaxx() / 2;
        midy = getmaxy() / 2;

        /* get mode number and name strings */
        mode = getgraphmode();

        sprintf(str, "Current graphic mode number: %d", mode);

        /* display the information */
        settextjustify(CENTER_TEXT, CENTER_TEXT);
        outtextxy(midx, midy, str);
        midy = midy + textheight("H") + 2;

        sprintf(str, "Current graphic mode name:%s", getmodename(mode));

        outtextxy(midx, midy, str);

        /* clean up */

        getch();

        closegraph();

        return 0;

  }

Output: (getgraphmode built-in function in c graphics.h)

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