/* Structures and Bitmaps Program */

#include <graphics.h>
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>

/*
typedef struct
	{
	int x, y;
	} POINT;

POINT polygon [6] =
	{
	{50, 0}, {90, 75}, {0, 25},
	{100, 25}, {10, 75}, {50, 0}
	};
*/

int main ()
{
	clrscr ();
	int gdriver = DETECT, gmode, errorcode;
	initgraph (&gdriver, &gmode, "g:\\bgi");
	errorcode = graphresult ();

	if (errorcode != grOk)
		{
		printf ("Graphics error: %s\n", grapherrormsg (errorcode));
		printf ("Press Anykey to halt: ");
		getch ();
		exit (1);
		}

	/* "graphics main prorgam lines" go here */

	//struct POINT
	//	{
	//	int x, y;
	//	};

	//struct POINT polygon[6] =
	//	{
	//	{50, 0}, {90, 75}, {0, 25},
	//	{100, 25}, {10, 75}, {50, 0}
	//	};


	typedef struct
		{
		int x, y;
		} POINT;


	POINT polygon [6];
		polygon[0].x = 50;
		polygon[0].y = 0;
		polygon[1].x = 90;
		polygon[1].y = 75;
		polygon[2].x = 0;
		polygon[2].y = 25;
		polygon[3].x = 100;
		polygon[3].y = 25;
		polygon[4].x = 10;
		polygon[4].y = 75;
		polygon[5].x = 50;
		polygon[5].y = 0;

	//POINT polygon [6] =
	//	{
		//{50, 0}, {90, 75}, {0, 25},
		//{100, 25}, {10, 75}, {50, 0}
	//	};

	setcolor (CYAN);
	drawpoly (6, (int far*) polygon);

	int xmax, ymax, color, i;
	xmax = getmaxx ();
	ymax = getmaxy ();

	void *image;
	image = malloc (imagesize (0,0,100,75));

	if (image)
		{
		getimage (0, 0, 100, 75, image);
		while (!kbhit ())
			{
			color = random (15)+1;
			setcolor (color);
			setfillstyle (random(10), color);

			for (i=0; i<5; i++)
				{
				polygon[i].x = random(xmax);
				polygon[i].y = random(ymax);
				}
			polygon[i] = polygon[0];
				fillpoly (6, (int far*) polygon);
			}
			//putimage (random(xmax), random(ymax), image, COPY_PUT);
		}

	getch ();
	closegraph ();
	return 0;
}