getviewsettings example in c

Header file:

    graphics.h

Synopsis:

      void getviewsettings(struct viewporttype *viewport);

     struct viewporttype {

          int left, top;

          int right, bottom, clip;

     };

     

Description:

     getviewsettings() gets current viewport information.

getviewsettings 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, err;
        struct viewporttype info;
        char topleft[32], botright[32], clip[32];

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

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

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

        /* get information about current viewport */
        getviewsettings(&info);

        /* convert text information into strings */
        sprintf(topleft, "Top Left (%d, %d)", info.left, info.top);
        sprintf(botright, "Bottom Right (%d, %d)", info.right, info.bottom);
        sprintf(clip, "Clipping is turned %s.", info.clip?"ON":"OFF");

        /* display the information */
        outtextxy(10, 10, topleft);
        outtextxy(10, 30, botright);
        outtextxy(10, 50, clip);

        /* clean up */
        getch();
        closegraph();
        return 0;

  }

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

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