void Parallelogram::draw(){
if(dead) return;
setColor(color);
fillPolygon({bl, br, tr, tl});
}
int main()
{
int gd=DETECT,gm,color,fill_color,boundary_color;
int xco,yco;
DWORD dwWidth = GetSystemMetrics(SM_CXSCREEN);
DWORD dwHeight = GetSystemMetrics(SM_CYSCREEN);
initwindow(dwWidth,dwHeight);
int x0=dwWidth/2;
int y0=dwHeight/2;
int i,j,x[50],y[50];
printf("%d\t%d\n\n",x0,y0);
for(i=0; i<dwHeight; i++)
putpixel(x0,i,YELLOW);
for(j=0; j<dwWidth; j++)
putpixel(j,y0,YELLOW);
int n;
int h;
boundary_color=15;
printf("Enter the number of sides or edges\n");
scanf("%d",&n);
for(i=0; i<n; i++)
{
printf("Enter the %dth coordinate\n",i+1);
scanf("%d",&x[i]);
scanf("%d",&y[i]);
}
x[n]=x[0];
y[n]=y[0];
for(i=0; i<n; i++)
printf("%d\t%d\n",x[i],y[i]);
while(z!=(n))
{
polylines(x[z],y[z],x[z+1],y[z+1],x0,y0);
z++;
}
int xin,yin;
printf("Please enter an interior point of polygon\n");
scanf("%d",&xin);
scanf("%d",&yin);
printf("Please enter fill_color(except white=15)\n");
scanf("%d",&fill_color);
int left,right;
for(i=xin+x0;i<dwWidth;i++)
{
if(getpixel(i,y0-yin)==15)
right++;
}
for(i=xin+x0;i>0;i--)
{
if(getpixel(i,y0-yin)==15)
left++;
}
if(left%2==0 && right%2==0)
printf("\npoint is outside\n");
else{
printf("point is inside\n");
//color=getpixel(xin+x0,y0-yin);
fillPolygon(xin+x0,y0-yin,fill_color,boundary_color);
getch();
cleardevice();
closegraph();
}
}
