| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: icon.cpp |
| 3 | // Purpose: wxIcon class |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/09/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/defs.h" |
| 21 | #include "wx/list.h" |
| 22 | #include "wx/utils.h" |
| 23 | #include "wx/app.h" |
| 24 | #include "wx/icon.h" |
| 25 | #include "wx/log.h" |
| 26 | #endif |
| 27 | |
| 28 | #include "wx/os2/private.h" |
| 29 | #include "assert.h" |
| 30 | |
| 31 | #include "wx/icon.h" |
| 32 | |
| 33 | IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject) |
| 34 | |
| 35 | // ============================================================================ |
| 36 | // implementation |
| 37 | // ============================================================================ |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // wxIconRefData |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | void wxIconRefData::Free() |
| 44 | { |
| 45 | if (m_hIcon) |
| 46 | ::WinFreeFileIcon((HPOINTER)m_hIcon); |
| 47 | } |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | // wxIcon |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | |
| 53 | wxIcon::wxIcon() |
| 54 | : m_bIsXpm(FALSE) |
| 55 | { |
| 56 | } |
| 57 | |
| 58 | wxIcon::wxIcon( |
| 59 | const char WXUNUSED(bits)[] |
| 60 | , int WXUNUSED(nWidth) |
| 61 | , int WXUNUSED(nHeight) |
| 62 | ) |
| 63 | : m_bIsXpm(FALSE) |
| 64 | { |
| 65 | } |
| 66 | |
| 67 | wxIcon::wxIcon( |
| 68 | const wxString& rIconFile |
| 69 | , long lFlags |
| 70 | , int nDesiredWidth |
| 71 | , int nDesiredHeight |
| 72 | ) |
| 73 | : m_bIsXpm(FALSE) |
| 74 | { |
| 75 | // |
| 76 | // A very poor hack, but we have to have separate icon files from windows |
| 77 | // So we have a modified name where replace the last three characters |
| 78 | // with os2. Also need the extension. |
| 79 | // |
| 80 | wxString sOs2Name = rIconFile.Mid(0, rIconFile.Length() - 3); |
| 81 | |
| 82 | sOs2Name += "Os2.ico"; |
| 83 | LoadFile( sOs2Name |
| 84 | ,lFlags |
| 85 | ,nDesiredWidth |
| 86 | ,nDesiredHeight |
| 87 | ); |
| 88 | } |
| 89 | |
| 90 | wxIcon::~wxIcon() |
| 91 | { |
| 92 | } |
| 93 | |
| 94 | void wxIcon::CreateIconFromXpm( |
| 95 | const char** ppData |
| 96 | ) |
| 97 | { |
| 98 | wxBitmap vBmp(ppData); |
| 99 | |
| 100 | CopyFromBitmap(vBmp); |
| 101 | if (GetHICON()) |
| 102 | { |
| 103 | m_bIsXpm = TRUE; |
| 104 | m_vXpmSrc = vBmp; |
| 105 | } |
| 106 | } // end of wxIcon::CreateIconFromXpm |
| 107 | |
| 108 | void wxIcon::CopyFromBitmap( |
| 109 | const wxBitmap& rBmp |
| 110 | ) |
| 111 | { |
| 112 | wxMask* pMask = rBmp.GetMask(); |
| 113 | HBITMAP hBmp = NULLHANDLE; |
| 114 | HBITMAP hBmpMask = NULLHANDLE; |
| 115 | HBITMAP hOldBitmap = NULLHANDLE; |
| 116 | ERRORID vError; |
| 117 | wxString sError; |
| 118 | LONG lHits; |
| 119 | |
| 120 | if (!pMask) |
| 121 | { |
| 122 | // |
| 123 | // We must have a mask for an icon, so even if it's probably incorrect, |
| 124 | // do create it (grey is the "standard" transparent colour) |
| 125 | // |
| 126 | pMask = new wxMask( rBmp |
| 127 | ,*wxLIGHT_GREY |
| 128 | ); |
| 129 | } |
| 130 | |
| 131 | BITMAPINFOHEADER2 vHeader; |
| 132 | SIZEL vSize = {0, 0}; |
| 133 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; |
| 134 | HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); |
| 135 | HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); |
| 136 | HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); |
| 137 | HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); |
| 138 | POINTL vPoint[4] = { {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()}, |
| 139 | {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()} |
| 140 | }; |
| 141 | POINTL vPointMask[4] = { {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight() * 2}, |
| 142 | {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()} |
| 143 | }; |
| 144 | |
| 145 | POINTERINFO vIconInfo; |
| 146 | |
| 147 | memset(&vIconInfo, '\0', sizeof(POINTERINFO)); |
| 148 | vIconInfo.fPointer = FALSE; // we want an icon, not a pointer |
| 149 | |
| 150 | memset(&vHeader, '\0', 16); |
| 151 | vHeader.cbFix = 16; |
| 152 | vHeader.cx = (ULONG)rBmp.GetWidth(); |
| 153 | vHeader.cy = (ULONG)rBmp.GetHeight(); |
| 154 | vHeader.cPlanes = 1L; |
| 155 | vHeader.cBitCount = 24; |
| 156 | |
| 157 | hBmp = ::GpiCreateBitmap( hPSDst |
| 158 | ,&vHeader |
| 159 | ,0L |
| 160 | ,NULL |
| 161 | ,NULL |
| 162 | ); |
| 163 | |
| 164 | if ((hOldBitmap = ::GpiSetBitmap(hPSDst, hBmp)) == HBM_ERROR) |
| 165 | { |
| 166 | vError = ::WinGetLastError(vHabmain); |
| 167 | sError = wxPMErrorToStr(vError); |
| 168 | } |
| 169 | if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, (HBITMAP)rBmp.GetHBITMAP())) == HBM_ERROR) |
| 170 | { |
| 171 | vError = ::WinGetLastError(vHabmain); |
| 172 | sError = wxPMErrorToStr(vError); |
| 173 | } |
| 174 | if ((lHits = ::GpiBitBlt( hPSDst |
| 175 | ,hPSSrc |
| 176 | ,4L |
| 177 | ,vPoint |
| 178 | ,ROP_SRCCOPY |
| 179 | ,BBO_IGNORE |
| 180 | )) == GPI_ERROR) |
| 181 | { |
| 182 | vError = ::WinGetLastError(vHabmain); |
| 183 | sError = wxPMErrorToStr(vError); |
| 184 | } |
| 185 | if ((hOldBitmap = ::GpiSetBitmap(hPSDst, NULLHANDLE)) == HBM_ERROR) |
| 186 | { |
| 187 | vError = ::WinGetLastError(vHabmain); |
| 188 | sError = wxPMErrorToStr(vError); |
| 189 | } |
| 190 | if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, NULLHANDLE)) == HBM_ERROR) |
| 191 | { |
| 192 | vError = ::WinGetLastError(vHabmain); |
| 193 | sError = wxPMErrorToStr(vError); |
| 194 | } |
| 195 | vIconInfo.hbmColor = hBmp; |
| 196 | |
| 197 | vHeader.cy = (ULONG)rBmp.GetHeight() * 2; |
| 198 | hBmpMask = ::GpiCreateBitmap( hPSDst |
| 199 | ,&vHeader |
| 200 | ,0L |
| 201 | ,NULL |
| 202 | ,NULL |
| 203 | ); |
| 204 | |
| 205 | if ((hOldBitmap = ::GpiSetBitmap(hPSDst, hBmpMask)) == HBM_ERROR) |
| 206 | { |
| 207 | vError = ::WinGetLastError(vHabmain); |
| 208 | sError = wxPMErrorToStr(vError); |
| 209 | } |
| 210 | if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, (HBITMAP)pMask->GetMaskBitmap())) == HBM_ERROR) |
| 211 | { |
| 212 | vError = ::WinGetLastError(vHabmain); |
| 213 | sError = wxPMErrorToStr(vError); |
| 214 | } |
| 215 | if ((lHits = ::GpiBitBlt( hPSDst |
| 216 | ,hPSSrc |
| 217 | ,4L |
| 218 | ,vPointMask |
| 219 | ,ROP_SRCCOPY |
| 220 | ,BBO_IGNORE |
| 221 | )) == GPI_ERROR) |
| 222 | { |
| 223 | vError = ::WinGetLastError(vHabmain); |
| 224 | sError = wxPMErrorToStr(vError); |
| 225 | } |
| 226 | if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, NULLHANDLE)) == HBM_ERROR) |
| 227 | { |
| 228 | vError = ::WinGetLastError(vHabmain); |
| 229 | sError = wxPMErrorToStr(vError); |
| 230 | } |
| 231 | if ((hOldBitmap = ::GpiSetBitmap(hPSDst, NULLHANDLE)) == HBM_ERROR) |
| 232 | { |
| 233 | vError = ::WinGetLastError(vHabmain); |
| 234 | sError = wxPMErrorToStr(vError); |
| 235 | } |
| 236 | |
| 237 | vIconInfo.hbmPointer = hBmpMask; |
| 238 | |
| 239 | HICON hIcon = ::WinCreatePointerIndirect( HWND_DESKTOP |
| 240 | ,&vIconInfo |
| 241 | ); |
| 242 | |
| 243 | if (!hIcon) |
| 244 | { |
| 245 | wxLogLastError(wxT("WinCreatePointerIndirect")); |
| 246 | vError = ::WinGetLastError(vHabmain); |
| 247 | sError = wxPMErrorToStr(vError); |
| 248 | } |
| 249 | else |
| 250 | { |
| 251 | SetHICON((WXHICON)hIcon); |
| 252 | SetSize( rBmp.GetWidth() |
| 253 | ,rBmp.GetHeight() |
| 254 | ); |
| 255 | } |
| 256 | |
| 257 | if (!rBmp.GetMask()) |
| 258 | { |
| 259 | // |
| 260 | // We created the mask, now delete it |
| 261 | // |
| 262 | delete pMask; |
| 263 | } |
| 264 | ::GpiSetBitmap(hPSSrc, NULL); |
| 265 | ::GpiSetBitmap(hPSDst, NULL); |
| 266 | ::GpiDestroyPS(hPSSrc); |
| 267 | ::GpiDestroyPS(hPSDst); |
| 268 | ::DevCloseDC(hDCSrc); |
| 269 | ::DevCloseDC(hDCDst); |
| 270 | } // end of wxIcon::CopyFromBitmap |
| 271 | |
| 272 | bool wxIcon::LoadFile( |
| 273 | const wxString& rFilename |
| 274 | , long lType |
| 275 | , int nDesiredWidth |
| 276 | , int nDesiredHeight |
| 277 | ) |
| 278 | { |
| 279 | HPS hPs = NULLHANDLE; |
| 280 | |
| 281 | UnRef(); |
| 282 | |
| 283 | wxGDIImageHandler* pHandler = FindHandler(lType); |
| 284 | |
| 285 | if (pHandler) |
| 286 | return(pHandler->Load( this |
| 287 | ,rFilename |
| 288 | ,hPs |
| 289 | ,lType |
| 290 | ,nDesiredWidth |
| 291 | ,nDesiredHeight |
| 292 | )); |
| 293 | else |
| 294 | return(FALSE); |
| 295 | } |
| 296 | |