Header file:
graphics.h
Synopsis:
void setfillpattern(char *pattern);
Description:
setfillpattern() sets user-defined fill pattern.
setfillpattern function in c graphics
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <dos.h>
int main(void) {
/* request auto detection */
int graphicDriver = DETECT, graphicMode;
int i, j, k = 14, err, midx, midy;
char pattern[8] = {0xaa, 0x55, 0xaa, 0x55,
0xaa, 0x55, 0xaa, 0x55};
/* 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",
grapherrormsg(err));
getch();
return 0;
}
/* mid position in x and y axis */
midx = getmaxx() / 2;
midy = getmaxy() / 2;
for (i = 0; i < 10; i++) {
/* sets the current drawing color */
setcolor(k);
for (j = 0; j < 8; j++) {
/* user defined fill pattern */
if (j % 2 == 0) {
pattern[j] = pattern[j] - 1;
} else {
pattern[j] = pattern[j] - 2;
}
}
/* setting user defined fill pattern */
setfillpattern(pattern, k--);
/* draws pie slice using the current drawing color */
pieslice(midx, midy, 0, 360, 150);
/* sleep for 500 milli seconds */
delay(500);
/* clears graphic screen */
cleardevice();
}
/* clean up */
getch();
closegraph();
return 0;
}
Output: (setfillpattern built-in function in c graphics.h)
No comments:
Post a Comment