Implement pie chart using C graphics
#include <conio.h>
#include <graphics.h>
#include <dos.h>
int main() {
/* request auto detection */
int gdriver = DETECT, gmode, err;
int midx, midy;
char str[64];
/* initialize graphic mode */
initgraph(&gdriver, &gmode, "C:/TURBOC3/BGI");
err = graphresult();
if (err != grOk) {
/* error occurred */
printf("Graphics Error: %s",
grapherrormsg(err));
return 0;
}
/* mid positions in x and y-axis */
midx = getmaxx() / 2;
midy = getmaxy() / 2;
/* pie slice representing safari */
delay(100);
setcolor(YELLOW);
setfillstyle(CLOSE_DOT_FILL, YELLOW);
pieslice(midx, midy, 0, 40, 100);
/* pie slice representing firefox */
delay(100);
setcolor(LIGHTRED);
setfillstyle(LINE_FILL, LIGHTRED);
pieslice(midx, midy, 45, 140, 100);
/* pie slice representing opera */
delay(100);
setcolor(CYAN);
setfillstyle(WIDE_DOT_FILL, CYAN);
pieslice(midx, midy, 145, 200, 100);
/* pie slice representing chrome */
delay(100);
setcolor(LIGHTMAGENTA);
setfillstyle(SLASH_FILL, LIGHTMAGENTA);
pieslice(midx, midy, 205, 300, 100);
/* pie slice representing internet explorer */
delay(100);
setcolor(LIGHTGREEN);
setfillstyle(BKSLASH_FILL, LIGHTGREEN);
pieslice(midx, midy, 305, 355, 100);
/* naming pie slice with corresponding names */
delay(100);
setcolor(WHITE);
settextstyle(TRIPLEX_FONT, HORIZ_DIR, 3);
settextjustify(CENTER_TEXT, CENTER_TEXT);
sprintf(str, "%s", "SAFARI");
moveto(midx + 140, midy - 40);
outtext(str);
delay(100);
sprintf(str, "%s", "FIREFOX");
moveto(midx, midy - 130);
outtext(str);
delay(100);
sprintf(str, "%s", "OPERA");
moveto(midx - 140, midy);
outtext(str);
delay(100);
sprintf(str, "%s", "CHROME");
moveto(midx - 20, midy + 110);
outtext(str);
delay(100);
sprintf(str, "%s", "IE");
moveto(midx + 120, midy + 40);
outtext(str);
/* pie chart for various browsers */
delay(100);
setcolor(YELLOW);
sprintf(str, "%s", "PIE CHART FOR BROWSERS");
moveto(75, midy);
settextjustify(CENTER_TEXT, CENTER_TEXT);
settextstyle(TRIPLEX_FONT, VERT_DIR, 3);
outtext(str);
getch();
/* deallocate memory allocated for graphic screen */
closegraph();
return 0;
}
Output: (Animate pie chart using c graphics)
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