#include <windows.h>
#include <time.h>

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
HINSTANCE hInst ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PSTR szCmdLine, int iCmdShow)
     {
     static char szAppName[] = "HelloWin" ;
     HWND        hwnd ;
     MSG         msg ;
     WNDCLASSEX  wndclass ;

     wndclass.cbSize        = sizeof (wndclass) ;
     wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
     wndclass.lpfnWndProc   = WndProc ;
     wndclass.cbClsExtra    = 0 ;
     wndclass.cbWndExtra    = 0 ;
     wndclass.hInstance     = hInstance ;
     wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ;
     wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
     wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
     wndclass.lpszMenuName  = NULL ;
     wndclass.lpszClassName = szAppName ;
     wndclass.hIconSm       = LoadIcon (NULL, IDI_APPLICATION) ;

     RegisterClassEx (&wndclass) ;

     hwnd = CreateWindow (szAppName,        //
             "????????????? ?????? ? ???????",   //
                   WS_OVERLAPPEDWINDOW,     //
                   CW_USEDEFAULT,           //
                   CW_USEDEFAULT,           //
                   CW_USEDEFAULT,           //
                   CW_USEDEFAULT,           //
                   NULL,                    //
                   NULL,                    //
                   hInstance,               //
           NULL) ;         //

     ShowWindow (hwnd, iCmdShow) ;
     UpdateWindow (hwnd) ;

     while (GetMessage (&msg, NULL, 0, 0))
          {
          TranslateMessage (&msg) ;
          DispatchMessage (&msg) ;
          }
     return msg.wParam ;
     }

#define BTN_WIDTH        150
#define BTN_HEIGHT       20
LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam){
     HDC         hdc ;
     PAINTSTRUCT ps ;
     RECT        rect ;
     static HWND  hwndButton1, hwndButton2, hwndButton3;
     static char txt[32]="";
     static char AuthorName[32]="Parkhomenko Viktor";
     int loword,hiword;
     static int fpic=0;
     static HPEN hpen;
     static HBRUSH hbrush;
    static int koef_x=10;
     switch (iMsg)
          {
          case WM_CREATE :
              srand(time(0));
              hdc = GetDC (hwnd) ;
              /*hwndButton1 = CreateWindow ("button", "??????",
                                  WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
                                  100, 50, BTN_WIDTH, BTN_HEIGHT,
                                  hwnd, (HMENU) 1, hInst, NULL) ;

              hwndButton2 = CreateWindow ("button", "????????",
                                  WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
                                  100, 100, BTN_WIDTH, BTN_HEIGHT,
                                  hwnd, (HMENU) 2, hInst, NULL) ;

                hwndButton3 = CreateWindow ("button", "?????",
                                  WS_CHILD | WS_VISIBLE |BS_PUSHBUTTON,
                                  100, 150, BTN_WIDTH, BTN_HEIGHT,
                                  hwnd, (HMENU) 3, hInst, NULL) ;*/

               return 0 ;
        /*case WM_COMMAND :
            hpen = CreatePen(PS_SOLID, 10,RGB(rand()%256,rand()%256,rand()%256));
            hbrush = CreateSolidBrush (RGB(rand()%256,rand()%256,rand()%256));
            loword=LOWORD(wParam);
            hiword=HIWORD(wParam);
            switch(loword){
                case 1: strcpy(txt,"??????"); fpic=1; break;
                case 2: strcpy(txt,"????????"); fpic=2; break;
                case 3: strcpy(txt,"?????"); fpic=3; break;
                default:    strcpy(txt,"?????????? ???"); break;
            }
            InvalidateRect (hwnd, NULL, TRUE) ;
            return 0 ;*/

            case WM_TIMER:
                InvalidateRect(hwnd,0,TRUE);
            return 0;

            case WM_LBUTTONDOWN:
                    SetTimer(hwnd,1,1000,0);
            return 0 ;
            case WM_RBUTTONDOWN:
                KillTimer(hwnd,1);
            return 0;

          case WM_PAINT :
           hdc = BeginPaint (hwnd, &ps) ;
               GetClientRect (hwnd, &rect) ;
               HBRUSH hBrush1,hBrush2,hBrush3,hBrush4;
               hBrush1 = CreateSolidBrush(RGB(0,255,0));
               hBrush2 = CreateSolidBrush(RGB(0,0,255));
               hBrush3 = CreateSolidBrush(RGB(255,0,0));
               hBrush4 = CreateSolidBrush(RGB(150,150,150)); //?????
                TextOut (hdc, 100, 300, txt, strlen(txt)) ;
                SelectObject (hdc, hbrush);
                SelectObject (hdc, hpen);
                HRGN Rgn1, Rgn3, Rgn4, Rgn5,Rgn6;
                POINT ptArray1[4];
                ptArray1[0].x =45*koef_x; ptArray1[0].y =120;
                ptArray1[1].x =60*koef_x; ptArray1[1].y =120;
                ptArray1[2].x =60*koef_x; ptArray1[2].y =220;
                ptArray1[3].x =45*koef_x; ptArray1[3].y =220;
                POINT ptArray2[4];
                ptArray2[0].x =65*koef_x; ptArray2[0].y =120;
                ptArray2[1].x =80*koef_x; ptArray2[1].y =120;
                ptArray2[2].x =80*koef_x; ptArray2[2].y =220;
                ptArray2[3].x =65*koef_x; ptArray2[3].y =220;
                POINT ptArray3[6];
                ptArray3[0].x =40*koef_x; ptArray3[0].y =100;
                ptArray3[1].x =80*koef_x; ptArray3[1].y =100;
                ptArray3[2].x =95*koef_x; ptArray3[2].y =200;
                ptArray3[3].x =95*koef_x; ptArray3[3].y =300;
                ptArray3[4].x =95*koef_x; ptArray3[4].y =300;
                ptArray3[5].x =40*koef_x; ptArray3[5].y =300;
                Rgn1 = CreatePolygonRgn(ptArray1,sizeof(ptArray1)/sizeof(POINT),ALTERNATE);
                //Rgn2 = CreateRectRgn(400, 100, 1000, 300);
                Rgn3 = CreateEllipticRgn(50*koef_x, 250, 60*koef_x, 350);
                Rgn5 = CreateEllipticRgn(80*koef_x, 250, 90*koef_x, 350);
                Rgn4 = CreatePolygonRgn(ptArray2,sizeof(ptArray2)/sizeof(POINT),ALTERNATE);
                Rgn6 = CreatePolygonRgn(ptArray3,sizeof(ptArray3)/sizeof(POINT),ALTERNATE);
                //FillRgn(hDC, Rgn1, hBrush3);
                    FillRgn(hdc, Rgn6, hBrush2);
                    FillRgn(hdc, Rgn3, hBrush4);
                    FillRgn(hdc, Rgn5, hBrush4);
                    FillRgn(hdc, Rgn1, hBrush3);
                    FillRgn(hdc, Rgn4, hBrush3);


            koef_x++;
           EndPaint (hwnd, &ps) ;
               return 0 ;

          case WM_DESTROY :
               PostQuitMessage (0) ;
               return 0 ;
          }

     return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
     }