#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int
main(
void
)
{
/* request auto detection */
int
gdriver = DETECT, gmode, errorcode;
int
i, maxx, maxy;
/* our polygon array */
int
poly[8];
/* initialize graphics, local variables */
initgraph(&gdriver, &gmode,
""
);
/* read result of initialization */
errorcode = graphresult();
if
(errorcode != grOk)
/* an error occurred */
{
printf
(
"Graphics error: %s\n"
, grapherrormsg(errorcode));
printf
(
"Press any key to halt:"
);
getch();
exit
(1);
/* terminate with an error code */
}
maxx = getmaxx();
maxy = getmaxy();
poly[0] = 20;
/* 1st vertext */
poly[1] = maxy / 2;
poly[2] = maxx - 20;
/* 2nd */
poly[3] = 20;
poly[4] = maxx - 50;
/* 3rd */
poly[5] = maxy - 20;
/*
4th vertex. fillpoly automatically
closes the polygon.
*/
poly[6] = maxx / 2;
poly[7] = maxy / 2;
/* loop through the fill patterns */
for
(i=EMPTY_FILL; i<USER_FILL; i++)
{
/* set fill pattern */
setfillstyle(i, getmaxcolor());
/* draw a filled polygon */
fillpoly(4, poly);
getch();
}
/* clean up */
closegraph();
return
0;
}