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863天前#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; |
} |
