research/transmission_spectroscopy/TOF/Win32++/samples/FastGDI/src/Mainfrm.cpp

   1 ////////////////////////////////////////////////////\r
   2 // Mainfrm.cpp\r
   3 \r
   4 #include "stdafx.h"\r
   5 #include "mainfrm.h"\r
   6 #include "resource.h"\r
   7 \r
   8 \r
   9 // Definitions for the CMainFrame class\r
  10 CMainFrame::CMainFrame()\r
  11 {\r
  12         // Constructor for CMainFrame. Its called after CFrame's constructor\r
  13 \r
  14         //Set m_MyView as the view window of the frame\r
  15         SetView(m_MyView);\r
  16 \r
  17         // Set the registry key name, and load the initial window position\r
  18         // Use a registry key name like "CompanyName\\Application"\r
  19         LoadRegistrySettings(_T("Win32++\\Fast GDI Demo"));\r
  20 \r
  21         // Load the settings from the registry with 4 MRU entries\r
  22         LoadRegistryMRUSettings(4);\r
  23 }\r
  24 \r
  25 CMainFrame::~CMainFrame()\r
  26 {\r
  27         // Destructor for CMainFrame.\r
  28 }\r
  29 \r
  30 void CMainFrame::OnAdjustImage()\r
  31 {\r
  32         if (GetMyView().GetImage())\r
  33         {\r
  34                 // Initiate the Colour Adjust Dialog\r
  35                 CColourDialog Dialog(IDD_DIALOG1);\r
  36                 Dialog.DoModal();\r
  37         }\r
  38         else\r
  39                 MessageBox(_T("Open a Bitmap file first!"), _T("Error"), MB_OK);\r
  40 }\r
  41 \r
  42 void CMainFrame::ModifyBitmap(int cRed, int cGreen, int cBlue, BOOL bGray)\r
  43 {\r
  44         TintBitmap(FromHandle(GetMyView().GetImage()), cRed, cGreen, cBlue);\r
  45         if (bGray)      GrayScaleBitmap(FromHandle(GetMyView().GetImage()));\r
  46 \r
  47         GetMyView().RedrawWindow(0, 0, RDW_NOERASE|RDW_INVALIDATE|RDW_UPDATENOW);\r
  48 }\r
  49 \r
  50 BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)\r
  51 {\r
  52         // OnCommand responds to menu and and toolbar input\r
  53 \r
  54         switch(LOWORD(wParam))\r
  55         {\r
  56         case IDM_FILE_NEW:\r
  57                 OnFileNew();\r
  58                 return TRUE;\r
  59         case IDM_FILE_OPEN:\r
  60                 OnFileOpen();\r
  61                 return TRUE;\r
  62         case IDM_FILE_SAVE:\r
  63                 OnFileSave();\r
  64                 return TRUE;\r
  65         case IDM_FILE_SAVEAS:\r
  66                 OnFileSaveAs();\r
  67                 return TRUE;\r
  68         case IDM_FILE_EXIT:\r
  69                 // End the application\r
  70                 ::PostMessage(m_hWnd, WM_CLOSE, 0, 0);\r
  71                 return TRUE;\r
  72         case IDM_IMAGE_ADJUST:\r
  73                 OnAdjustImage();\r
  74                 return TRUE;\r
  75         case IDW_VIEW_STATUSBAR:\r
  76                 OnViewStatusBar();\r
  77                 return TRUE;\r
  78         case IDW_VIEW_TOOLBAR:\r
  79                 OnViewToolBar();\r
  80                 return TRUE;\r
  81         case IDM_HELP_ABOUT:\r
  82                 // Display the help dialog\r
  83                 OnHelp();\r
  84                 return TRUE;\r
  85         case IDW_FILE_MRU_FILE1:\r
  86         case IDW_FILE_MRU_FILE2:\r
  87         case IDW_FILE_MRU_FILE3:\r
  88         case IDW_FILE_MRU_FILE4:\r
  89                 OnFileOpenMRU(wParam, lParam);\r
  90                 return TRUE;\r
  91         }\r
  92 \r
  93         return FALSE;\r
  94 }\r
  95 \r
  96 void CMainFrame::OnCreate()\r
  97 {\r
  98         // OnCreate controls the way the frame is created.\r
  99         // Overriding CFrame::Oncreate is optional.\r
 100         // The default for the following variables is TRUE\r
 101 \r
 102         // m_bShowIndicatorStatus = FALSE;      // Don't show statusbar indicators\r
 103         // m_bShowMenuStatus = FALSE;           // Don't show toolbar or menu status\r
 104         // m_bUseReBar = FALSE;                         // Don't use rebars\r
 105         // m_bUseThemes = FALSE;            // Don't use themes\r
 106         // m_bUseToolBar = FALSE;                       // Don't use a toolbar\r
 107         // m_bUseCustomDraw = FALSE;            // Don't use custom draw for menu items\r
 108 \r
 109         // call the base class function\r
 110         CFrame::OnCreate();\r
 111 }\r
 112 \r
 113 void CMainFrame::OnFileNew()\r
 114 {\r
 115         CToolBar& TB = GetToolBar();\r
 116         TB.DisableButton(IDM_FILE_SAVEAS);\r
 117         TB.DisableButton(IDM_IMAGE_ADJUST);\r
 118         m_MyView.FileOpen(NULL);\r
 119         m_MyView.Invalidate();\r
 120 \r
 121         // Set the caption\r
 122         SetWindowText(_T("FastGDI"));\r
 123 }\r
 124 \r
 125 void CMainFrame::OnFileOpen()\r
 126 {\r
 127         CFile File;\r
 128         CString str = File.OpenFileDialog(0, OFN_FILEMUSTEXIST, _T("Scribble Files (*.bmp)\0*.bmp\0\0"), this);\r
 129         if (!str.IsEmpty())\r
 130         {\r
 131                 // Load the bitmap\r
 132                 m_MyView.FileOpen(str);\r
 133 \r
 134                 // Save the filename\r
 135                 m_PathName = str;\r
 136                 AddMRUEntry(str);\r
 137 \r
 138                 // Turn on the ToolBar adjust button\r
 139                 CToolBar& TB = GetToolBar();\r
 140                 TB.EnableButton(IDM_FILE_SAVEAS);\r
 141                 TB.EnableButton(IDM_IMAGE_ADJUST);\r
 142                 EnableMenuItem(GetFrameMenu(), IDM_IMAGE_ADJUST, MF_BYCOMMAND | MF_ENABLED);\r
 143 \r
 144                 // Resize the frame to match the bitmap\r
 145                 if (GetMyView().GetImage())\r
 146                 {\r
 147                         GetMyView().ShowScrollBar(SB_HORZ, FALSE);\r
 148                         GetMyView().ShowScrollBar(SB_VERT, FALSE);\r
 149                         CRect rcImage = GetMyView().GetImageRect();\r
 150                         AdjustFrameRect(rcImage);\r
 151                 }\r
 152 \r
 153                 GetMyView().RedrawWindow(0, 0, RDW_NOERASE|RDW_INVALIDATE|RDW_UPDATENOW);\r
 154 \r
 155                 // Set the caption\r
 156                 CString str = _T("FastGDI - ") + m_PathName;\r
 157                 SetWindowText(str);\r
 158         }\r
 159 }\r
 160 \r
 161 BOOL CMainFrame::OnFileOpenMRU(WPARAM wParam, LPARAM lParam)\r
 162 {\r
 163         UNREFERENCED_PARAMETER(lParam);\r
 164 \r
 165         UINT nMRUIndex = LOWORD(wParam) - IDW_FILE_MRU_FILE1;\r
 166         CString strMRUText = GetMRUEntry(nMRUIndex);\r
 167         CToolBar& TB = GetToolBar();\r
 168 \r
 169         if (m_MyView.FileOpen(strMRUText))\r
 170         {\r
 171                 m_PathName = strMRUText;\r
 172                 TB.EnableButton(IDM_FILE_SAVEAS);\r
 173                 TB.EnableButton(IDM_IMAGE_ADJUST);\r
 174 \r
 175                 // Adjust the window size\r
 176                 CRect rcImage = GetMyView().GetImageRect();\r
 177                 AdjustFrameRect(rcImage);\r
 178         }\r
 179         else\r
 180         {\r
 181                 RemoveMRUEntry(strMRUText);\r
 182                 TB.DisableButton(IDM_FILE_SAVEAS);\r
 183                 TB.DisableButton(IDM_IMAGE_ADJUST);\r
 184         }\r
 185 \r
 186         // Resize the frame to match the bitmap\r
 187         if (GetMyView().GetImage())\r
 188         {\r
 189                 GetMyView().ShowScrollBar(SB_HORZ, FALSE);\r
 190                 GetMyView().ShowScrollBar(SB_VERT, FALSE);\r
 191                 CRect rcImage = GetMyView().GetImageRect();\r
 192                 AdjustFrameRect(rcImage);\r
 193         }\r
 194 \r
 195         GetMyView().RedrawWindow(0, 0, RDW_NOERASE|RDW_INVALIDATE|RDW_UPDATENOW);\r
 196 \r
 197         // Set the caption\r
 198         CString str = _T("FastGDI - ") + m_PathName;\r
 199         SetWindowText(str);\r
 200         return TRUE;\r
 201 }\r
 202 \r
 203 void CMainFrame::OnFileSave()\r
 204 {\r
 205         if (!m_PathName.IsEmpty())\r
 206         {\r
 207                 CString str = m_PathName + _T("  already exists.\nDo you want to replace it?");\r
 208 \r
 209                 if (IDYES == MessageBox(str, _T("FileSaveAs"), MB_YESNO | MB_ICONWARNING))\r
 210                         m_MyView.FileSave(m_PathName);\r
 211         }\r
 212 }\r
 213 \r
 214 void CMainFrame::OnFileSaveAs()\r
 215 {\r
 216         CFile File;\r
 217         CString str = File.SaveFileDialog(0, OFN_OVERWRITEPROMPT, _T("Bitmap Files (*.bmp)\0*.bmp\0\0"), _T("bmp"), 0);\r
 218         if (!str.IsEmpty())\r
 219         {\r
 220                 // Set the caption\r
 221                 m_PathName = str;\r
 222                 CString Title = _T("FastGDI - ") + m_PathName;\r
 223                 SetWindowText(Title);\r
 224 \r
 225                 // Save the file name\r
 226                 m_MyView.FileSave(str);\r
 227         }\r
 228 }\r
 229 \r
 230 void CMainFrame::OnInitialUpdate()\r
 231 {\r
 232         // The frame is now created.\r
 233         // Place any additional startup code here.\r
 234 \r
 235         TRACE(_T("Frame created\n"));\r
 236 }\r
 237 \r
 238 inline void CMainFrame::OnMenuUpdate(UINT nID)\r
 239 // Called when menu items are about to be displayed\r
 240 {\r
 241         BOOL IsImageLoaded = (BOOL)GetMyView().GetImage();\r
 242 \r
 243         switch(nID)\r
 244         {\r
 245         case IDM_FILE_SAVE:\r
 246                 EnableMenuItem(GetFrameMenu(), IDM_FILE_SAVE, IsImageLoaded? MF_ENABLED : MF_GRAYED);\r
 247                 break;\r
 248         case IDM_FILE_SAVEAS:\r
 249                 EnableMenuItem(GetFrameMenu(), IDM_FILE_SAVEAS, IsImageLoaded? MF_ENABLED : MF_GRAYED);\r
 250                 break;\r
 251         case IDM_IMAGE_ADJUST:\r
 252                 EnableMenuItem(GetFrameMenu(), IDM_IMAGE_ADJUST, IsImageLoaded? MF_ENABLED : MF_GRAYED);\r
 253                 break;\r
 254         }\r
 255 }\r
 256 \r
 257 void CMainFrame::SetupToolBar()\r
 258 {\r
 259         // Set the Resource IDs for the toolbar buttons\r
 260         AddToolBarButton( IDM_FILE_NEW  );\r
 261         AddToolBarButton( IDM_FILE_OPEN );\r
 262         AddToolBarButton( IDM_FILE_SAVEAS, FALSE );\r
 263 \r
 264         AddToolBarButton( 0 );  // Separator\r
 265         AddToolBarButton( IDM_IMAGE_ADJUST, FALSE );\r
 266 \r
 267         AddToolBarButton( 0 );  // Separator\r
 268         AddToolBarButton( IDM_HELP_ABOUT );\r
 269 \r
 270         // Use large toolbar buttons\r
 271         SetToolBarImages(RGB(192, 192, 192), IDB_TOOLBAR_BIG, 0, 0);\r
 272 }\r
 273 \r
 274 LRESULT CMainFrame::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)\r
 275 {\r
 276 //      switch (uMsg)\r
 277 //      {\r
 278                 //Additional messages to be handled go here\r
 279 //      }\r
 280 \r
 281         // pass unhandled messages on for default processing\r
 282         return WndProcDefault(uMsg, wParam, lParam);\r
 283 }\r
 284 \r