installer/background.c

   1 static void tball(HDC hdc, double px, double py, double sx, double sy)
   2 {
   3     MoveToEx(hdc, 75.25*sx+px, -32.50*sy+py, 0);
   4     LineTo(hdc, 74.75*sx+px, -24.80*sy+py); LineTo(hdc, 74.95*sx+px, -3.45*sy+py); LineTo(hdc, 75.25*sx+px, -32.50*sy+py);
   5     LineTo(hdc, 44.85*sx+px, -104.30*sy+py); LineTo(hdc, 74.75*sx+px, -24.80*sy+py); LineTo(hdc, 17.30*sx+px, -91.80*sy+py);
   6     LineTo(hdc, 29.35*sx+px, -10.10*sy+py); LineTo(hdc, 74.75*sx+px, -24.80*sy+py); LineTo(hdc, 47.60*sx+px, 63.80*sy+py);
   7     LineTo(hdc, 74.75*sx+px, 51.10*sy+py); LineTo(hdc, 74.95*sx+px, -3.45*sy+py);
   8     MoveToEx(hdc, 74.75*sx+px, 51.10*sy+py, 0);
   9     LineTo(hdc, 29.35*sx+px, 118.75*sy+py); LineTo(hdc, -45.20*sx+px, 155.35*sy+py);
  10     LineTo(hdc, -127.95*sx+px, 145.10*sy+py); LineTo(hdc, -194.85*sx+px, 104.30*sy+py);
  11     LineTo(hdc, -225.25*sx+px, 32.50*sy+py); LineTo(hdc, -224.75*sx+px, -51.10*sy+py);
  12     LineTo(hdc, -179.35*sx+px, -118.75*sy+py); LineTo(hdc, -104.80*sx+px, -155.35*sy+py);
  13     LineTo(hdc, -22.05*sx+px, -145.10*sy+py); LineTo(hdc, 44.85*sx+px, -104.30*sy+py);
  14     LineTo(hdc, 17.30*sx+px, -91.80*sy+py); LineTo(hdc, -75.00*sx+px, -122.60*sy+py);
  15     LineTo(hdc, -45.20*sx+px, -43.70*sy+py); LineTo(hdc, 17.30*sx+px, -91.80*sy+py);
  16     LineTo(hdc, -22.05*sx+px, -145.10*sy+py); LineTo(hdc, -75.00*sx+px, -122.60*sy+py);
  17     LineTo(hdc, -104.80*sx+px, -155.35*sy+py); LineTo(hdc, -167.30*sx+px, -107.25*sy+py);
  18     LineTo(hdc, -75.00*sx+px, -122.60*sy+py); LineTo(hdc, -127.95*sx+px, -63.55*sy+py);
  19     LineTo(hdc, -45.20*sx+px, -43.70*sy+py); LineTo(hdc, 29.35*sx+px, -10.10*sy+py);
  20     LineTo(hdc, 47.60*sx+px, 63.80*sy+py); LineTo(hdc, -25.70*sx+px, 52.45*sy+py);
  21     LineTo(hdc, -25.70*sx+px, 128.45*sy+py); LineTo(hdc, 47.60*sx+px, 63.80*sy+py);
  22     LineTo(hdc, 29.35*sx+px, 118.75*sy+py); LineTo(hdc, -25.70*sx+px, 128.45*sy+py);
  23     LineTo(hdc, -45.20*sx+px, 155.35*sy+py); LineTo(hdc, -118.85*sx+px, 143.85*sy+py);
  24     LineTo(hdc, -127.95*sx+px, 145.10*sy+py);
  25     MoveToEx(hdc, -179.35*sx+px, -118.75*sy+py, 0);
  26     LineTo(hdc, -167.30*sx+px, -107.25*sy+py); LineTo(hdc, -127.95*sx+px, -63.55*sy+py);
  27     LineTo(hdc, -118.85*sx+px, 21.65*sy+py); LineTo(hdc, -45.20*sx+px, -43.70*sy+py);
  28     LineTo(hdc, -25.70*sx+px, 52.45*sy+py); LineTo(hdc, 29.35*sx+px, -10.10*sy+py);
  29     MoveToEx(hdc, -225.25*sx+px, 32.50*sy+py, 0);
  30     LineTo(hdc, -194.85*sx+px, -17.85*sy+py); LineTo(hdc, -224.75*sx+px, -51.10*sy+py);
  31     LineTo(hdc, -167.30*sx+px, -107.25*sy+py); LineTo(hdc, -194.85*sx+px, -17.85*sy+py);
  32     LineTo(hdc, -127.95*sx+px, -63.55*sy+py);
  33     MoveToEx(hdc, -175.85*sx+px, 77.60*sy+py, 0);
  34     LineTo(hdc, -96.35*sx+px, 99.55*sy+py); LineTo(hdc, -118.85*sx+px, 21.65*sy+py);
  35     LineTo(hdc, -175.85*sx+px, 77.60*sy+py); LineTo(hdc, -225.25*sx+px, 32.50*sy+py);
  36     MoveToEx(hdc, -118.85*sx+px, 143.85*sy+py, 0);
  37     LineTo(hdc, -175.85*sx+px, 77.60*sy+py); LineTo(hdc, -194.85*sx+px, 104.30*sy+py);
  38     LineTo(hdc, -118.85*sx+px, 143.85*sy+py); LineTo(hdc, -96.35*sx+px, 99.55*sy+py);
  39     LineTo(hdc, -25.70*sx+px, 52.45*sy+py); LineTo(hdc, -118.85*sx+px, 21.65*sy+py);
  40     LineTo(hdc, -194.85*sx+px, -17.85*sy+py); LineTo(hdc, -175.85*sx+px, 77.60*sy+py);
  41     MoveToEx(hdc, -96.35*sx+px, 99.55*sy+py, 0);
  42     LineTo(hdc, -25.70*sx+px, 128.45*sy+py); LineTo(hdc, -118.85*sx+px, 143.85*sy+py);
  43 }
  44
  45 static HWND wnd_background = 0;
  46 LRESULT CALLBACK WindowFunc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  47 {
  48     if(message == WM_CREATE) {
  49         CREATESTRUCT*cs = ((LPCREATESTRUCT)lParam);
  50         if(cs->lpCreateParams && !strcmp((char*)cs->lpCreateParams, "background")) {
  51             wnd_background = hwnd;
  52         }
  53     }
  54     if(hwnd == wnd_background && message == WM_PAINT) {
  55         HDC hdc;
  56         PAINTSTRUCT ps;
  57         RECT rc;
  58         GetWindowRect(hwnd, &rc);
  59         int width = rc.right - rc.left;
  60         int height = rc.bottom - rc.top;
  61
  62         hdc = BeginPaint(hwnd, &ps);
  63         SetBkMode(hdc, TRANSPARENT);
  64
  65         double s = width / 1282.0;
  66
  67         HPEN pen0 = CreatePen(PS_SOLID, 2, RGB(0, 32, 128));
  68         HPEN oldPen = (HPEN)SelectObject(hdc, pen0);
  69         tball(hdc, 0.7*width,0.2*height,s,s);
  70
  71         HPEN pen1 = CreatePen(PS_SOLID, 2, RGB(0, 48, 128));
  72         (HPEN)SelectObject(hdc, pen1);
  73         tball(hdc, 0.233*width,0.3*height,s*2,s*2);
  74
  75         HPEN pen2 = CreatePen(PS_SOLID, 2, RGB(0, 64, 128));
  76         (HPEN)SelectObject(hdc, pen2);
  77         tball(hdc, width, 1.2*height,s*3,-s*3);
  78
  79         SelectObject(hdc, oldPen);
  80         DeleteObject(pen1);
  81         DeleteObject(pen2);
  82         EndPaint(hwnd, &ps);
  83         return 1;
  84     }
  85     return DefWindowProc(hwnd, message, wParam, lParam);
  86 }
  87
  88