git.sesse.net Git - casparcg/blob - server/Window.cpp

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20  \r
  21 #include "stdafx.h"\r
  22 \r
  23 #include "window.h"\r
  24 #include "resource.h"\r
  25 \r
  26 namespace caspar {\r
  27 \r
  28 using namespace utils;\r
  29 \r
  30 Window::Window() : _hwnd(NULL), _hinstance(NULL), _hdc(NULL)\r
  31 {\r
  32 }\r
  33 \r
  34 Window::~Window()\r
  35 {\r
  36         Destroy();\r
  37 }\r
  38 \r
  39 bool Window::Initialize(HINSTANCE hinstance, const TCHAR* windowTitle, const TCHAR* className)\r
  40 {\r
  41         _hinstance = hinstance;\r
  42         _classname = className;\r
  43 \r
  44     WNDCLASSEX wndClass;         // Window class\r
  45     ZeroMemory(&wndClass, sizeof(wndClass)); // Clear the window class structure\r
  46     wndClass.cbSize = sizeof(WNDCLASSEX); \r
  47     wndClass.style          = CS_HREDRAW | CS_VREDRAW | CS_CLASSDC;\r
  48     wndClass.lpfnWndProc    = (WNDPROC)WndProc;\r
  49     wndClass.cbClsExtra     = 0;\r
  50     wndClass.cbWndExtra     = 0;\r
  51     wndClass.hInstance      = _hinstance;\r
  52     wndClass.hIcon          = LoadIcon(_hinstance, MAKEINTRESOURCE(IDI_ICON1));\r
  53     wndClass.hCursor        = LoadCursor(NULL, IDC_ARROW);\r
  54     wndClass.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);\r
  55     wndClass.lpszMenuName   = NULL;//MAKEINTRESOURCE(IDR_MAINMENU);\r
  56     wndClass.lpszClassName  = _classname.c_str();\r
  57     wndClass.hIconSm        = 0;\r
  58 \r
  59     if (RegisterClassEx(&wndClass) == 0)// Attemp to register the window class\r
  60     {\r
  61                 LOG << TEXT("WINDOW ERROR: Failed to register the window class!") << LogStream::Flush;\r
  62         return false;\r
  63     }\r
  64     DWORD dwStyle;              // Window styles\r
  65     DWORD dwExStyle;            // Extended window styles\r
  66 \r
  67     dwStyle = WS_OVERLAPPEDWINDOW |        // Creates an overlapping window\r
  68               WS_CLIPCHILDREN |            // Doesn"t draw within child windows\r
  69               WS_CLIPSIBLINGS;              // Doesn"t draw within sibling windows\r
  70     dwExStyle = WS_EX_APPWINDOW |          // Top level window\r
  71                 WS_EX_WINDOWEDGE;           // Border with a raised edge\r
  72     \r
  73     //adjust window size\r
  74     RECT rMain;\r
  75     rMain.left = 0;\r
  76     rMain.right = 720;\r
  77     rMain.top = 0;\r
  78     rMain.bottom = 576;  \r
  79 \r
  80     AdjustWindowRect(&rMain, dwStyle, 0);\r
  81 \r
  82     // Attempt to create the actual window\r
  83     _hwnd = CreateWindowEx( dwExStyle,       // Extended window styles\r
  84                             _classname.c_str(),   // Class name\r
  85                             windowTitle,       // Window title (caption)\r
  86                             dwStyle,         // Window styles\r
  87                             0, 0,            // Window position\r
  88                             rMain.right - rMain.left,\r
  89                             rMain.bottom - rMain.top,   // Size of window\r
  90                             0,               // No parent window\r
  91                             0,               // No menu\r
  92                             _hinstance,      // Instance\r
  93                             0);            // Pass nothing to WM_CREATE\r
  94 \r
  95     if(_hwnd == 0) \r
  96     {\r
  97         Destroy();\r
  98         LOG << TEXT("WINDOW ERROR: Unable to create window!") << LogStream::Flush;\r
  99         return false;\r
 100     }\r
 101 \r
 102     ShowWindow(_hwnd, SW_SHOW);\r
 103     SetForegroundWindow(_hwnd);\r
 104     SetFocus(_hwnd);\r
 105 \r
 106 \r
 107         //TEST: select a more appropriate pixelformat\r
 108         _hdc = ::GetDC(_hwnd);\r
 109 \r
 110         PIXELFORMATDESCRIPTOR pfd = \r
 111         {\r
 112                 sizeof(PIXELFORMATDESCRIPTOR),          //size of struct\r
 113                 1,                                                                      //version number\r
 114                 //PFD_DRAW_TO_WINDOW |                          //Format must support draw to window\r
 115                 PFD_DRAW_TO_BITMAP |                            //Format must support draw to bitmap\r
 116                 PFD_DOUBLEBUFFER_DONTCARE |                     //Format does not have to support doublebuffer\r
 117                 PFD_DEPTH_DONTCARE,                                     //Formet does not have to support depthbuffer\r
 118                 PFD_TYPE_RGBA,                                          //Request RGBA format\r
 119                 24,                                                                     //Color depth\r
 120                 0,0,0,0,0,0,                                            //colorbits ignored\r
 121                 8,                                                                      //8-bit alpha-buffer\r
 122                 0,                                                                      //shift bit ignored\r
 123                 0,                                                                      //no accumulation-buffer\r
 124                 0,0,0,0,                                                        //Accumulation bits ignored\r
 125                 0,                                                                      //no depth-buffer\r
 126                 0,                                                                      //no stencil-buffer\r
 127                 0,                                                                      //no auxiliary-buffer\r
 128                 PFD_MAIN_PLANE,                                         //Main drawing layer\r
 129                 0,                                                                      //RESERVED\r
 130                 0,0,0                                                           //Layer masks ignored\r
 131         };\r
 132 \r
 133         unsigned int nPixelFormat = ChoosePixelFormat(_hdc, &pfd);\r
 134         if(nPixelFormat) {\r
 135                 if(!SetPixelFormat(_hdc, nPixelFormat, &pfd)) {\r
 136                         ;\r
 137                 }\r
 138         }\r
 139         //END TEST: select a more appropriate pixelformat\r
 140 /*\r
 141         //TEST: give flash access to a directdraw device\r
 142         IDirectDrawFactory* pDDF = NULL;\r
 143         pDD_ = NULL;\r
 144         CComBSTR ddfGUID(_T("{4FD2A832-86C8-11d0-8FCA-00C04FD9189D}"));\r
 145         CLSID clsid;\r
 146         HRESULT hr = CLSIDFromString((LPOLESTR)ddfGUID, &clsid);\r
 147 \r
 148         hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, GUID_DDFactory, (void **)&pDDF);\r
 149         if(pDDF != 0) {\r
 150                 pDDF->CreateDirectDraw(NULL, _hwnd, DDSCL_NORMAL, NULL, NULL, &pDD_);\r
 151                 pDDF->Release();\r
 152         }\r
 153         //END TEST: give flash access to a directdraw device\r
 154 */\r
 155         return true;\r
 156 }\r
 157 \r
 158 void Window::Destroy()\r
 159 {\r
 160 /*      if(pDD_ != 0) {\r
 161                 pDD_->Release();\r
 162                 pDD_ = 0;\r
 163         }\r
 164 */\r
 165         // Attempts to destroy the window\r
 166         if(_hwnd) {\r
 167                 DestroyWindow(_hwnd);\r
 168                 _hwnd = NULL;\r
 169         }\r
 170 \r
 171     // Attempts to unregister the window class\r
 172     if (!UnregisterClass(_classname.c_str(), _hinstance))\r
 173     {\r
 174         LOG << TEXT("WINDOW ERROR: Unable to unregister window class!") << LogStream::Flush;\r
 175         _hinstance = NULL;\r
 176     }\r
 177 }\r
 178 \r
 179 }