#include <iostream>
#include<graphics.h>
#include <cmath>
#define PI 3.1415
using namespace std;
void waitForLeftMouseClick();

int O[120]=
{
    468, 36, 305, 36, 305,220, 313,228, 804,228,
    751,161, 751,161, 730,139, 706,119, 682,101,
    655, 85, 628, 71, 600, 59, 571, 50, 541, 43,
    510, 38, 480, 36, 449, 36, 468, 36, 36,260,
    36,228, 397,228, 397,851, 366,848, 336,842,
    306,834, 276,824, 276,284, 252,260, 36,260
};
int P[76]= { 468, 36, 305, 36, 305,220, 313,228, 804,228,
             751,161, 751,161, 730,139, 706,119, 682,101,
             655, 85, 628, 71, 600, 59, 571, 50, 541, 43,
             510, 38, 480, 36, 449, 36, 468, 36
           };

int Q[44]= { 36,260,
             36,228, 397,228, 397,851, 366,848, 336,842,
             306,834, 276,824, 276,284, 252,260, 36,260
           };
int unu, doi;

void scalare(int *poligon,int dim,int Xc,int Yc,double Sx,double Sy)
{

    for(int i=0; i<dim; i++)
    {
        poligon[2*i] = Xc +(int) (Xc-poligon[2*i]) * Sx;
        poligon[2*i+1] = Yc +(int)(Yc-poligon[2*i+1]) *Sy;
    }

}
void calculez_centrul(int* a,int dim,int& xc,int& yc)
{
    xc=yc=0;
    for(int i=0; i<dim; i++)
    {
        xc += a[2*i];
        yc += a[2*i+1];
    }
    xc/=dim;
    yc/=dim;
    circle(xc,yc,7);
}

int centrul(int* a,int dim,int& xc,int& yc)
{
    xc=yc=0;
    for(int i=0; i<dim; i++)
    {
        xc += a[2*i];
        yc += a[2*i+1];
    }
    xc/=dim;
    yc/=dim;
    unu=xc;
    doi=yc;
    return 0;
}

void translatie(int *poligon,int dim,int tx,int ty)
{
    for(int i=0; i<dim; i++)
    {
        poligon[2*i] = poligon[2*i] + tx;
        poligon[2*i+1]= poligon[2*i+1] + ty;
    }
}
void rotire(int *poligon,int dim,double Xc,double Yc,double alfa)
{
    double cosa = cos(alfa), sina = sin(alfa);
    for(int i=0; i<dim; i++)
    {
        double xi=poligon[2*i];
        double yi=poligon[2*i+1];
        poligon[2*i] = Xc + (xi-Xc)*cosa - (yi-Yc)*sina;
        poligon[2*i+1] = Yc + (xi-Xc)*sina + (yi-Yc)*cosa;
    }
}

int main()
{
    int xf=0,yf=0,dimf=5;
    initwindow(800,600);
    drawpoly(19,P);
    drawpoly(11,Q);
    calculez_centrul(O,120,xf,yf);
    centrul(O,120,xf,yf);
    scalare(O,120,unu, doi,0.5,0.5);
    drawpoly(30,O);
    waitForLeftMouseClick();

    int bis1[38] = {0};
    int j = 0;

    for(int i = 0; i < 38; i++)
    {
        if(P[2*i] == P[2*i+1])
        {
            bis1[j] =P[2*i];
            j++;
        }
    }

    return 0;

}
void waitForLeftMouseClick()
{
    clearmouseclick(WM_LBUTTONDOWN);
    const int DELAY = 50;
    int x, y;
    while (!ismouseclick(WM_LBUTTONDOWN))
        delay(DELAY);
    getmouseclick(WM_LBUTTONDOWN, x, y);
}