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Thursday, 12 September 2013

getmoderange example in c

Header file:

      void getmoderange (int gd, int *low, int *high);
     gd - currently loaded graphic driver
     low - lowest allowed graphic mode value
     high - highest allowed graphic mode value
     getmoderange() gets the range of valid video mode value for the given graphic driver.

getmoderange function in c graphics

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

  int main(void) {
        /* request auto detection */
        int graphicDriver = DETECT, graphicMode;
        int err, start, end;
        char modeRange[256];

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

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

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

        /* get the mode range for this driver */
        getmoderange(graphicDriver, &start, &end);

        /* convert mode range info. into strings */
        sprintf(modeRange, "Mode range for the graphic "
                "driver %d is %d to %d", graphicDriver, start, end);

        /* display the information */
        settextjustify(CENTER_TEXT, CENTER_TEXT);
        outtextxy(getmaxx() / 2 , getmaxy() / 2, modeRange);

        /* clean up */
        return 0;

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

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