| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/os2/gdiimage.cpp |
| 3 | // Purpose: wxGDIImage implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 20.11.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/string.h" |
| 26 | #endif // WX_PRECOMP |
| 27 | |
| 28 | #include "wx/os2/private.h" |
| 29 | #include "wx/app.h" |
| 30 | #include "wx/os2/gdiimage.h" |
| 31 | |
| 32 | #include "wx/listimpl.cpp" |
| 33 | WX_DEFINE_LIST(wxGDIImageHandlerList) |
| 34 | |
| 35 | // ---------------------------------------------------------------------------- |
| 36 | // private classes |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | |
| 39 | // all image handlers are declared/defined in this file because the outside |
| 40 | // world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids) |
| 41 | |
| 42 | class WXDLLEXPORT wxBMPFileHandler : public wxBitmapHandler |
| 43 | { |
| 44 | public: |
| 45 | wxBMPFileHandler() : wxBitmapHandler(_T("Windows bitmap file"), _T("bmp"), |
| 46 | wxBITMAP_TYPE_BMP) |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | virtual bool LoadFile( wxBitmap* pBitmap |
| 51 | ,const wxString& rName |
| 52 | ,HPS hPs |
| 53 | ,long lFlags |
| 54 | ,int nDesiredWidth |
| 55 | ,int nDesiredHeight |
| 56 | ); |
| 57 | virtual bool SaveFile( wxBitmap* pBitmap |
| 58 | ,const wxString& rName |
| 59 | ,int lType |
| 60 | ,const wxPalette* pPalette = NULL |
| 61 | ); |
| 62 | |
| 63 | private: |
| 64 | inline virtual bool LoadFile( wxBitmap* pBitmap |
| 65 | ,int nId |
| 66 | ,long lFlags |
| 67 | ,int nDesiredWidth |
| 68 | ,int nDesiredHeight |
| 69 | ) |
| 70 | { |
| 71 | return wxBitmapHandler::LoadFile( pBitmap |
| 72 | ,nId |
| 73 | ,lFlags |
| 74 | ,nDesiredWidth |
| 75 | ,nDesiredHeight |
| 76 | ); |
| 77 | } |
| 78 | DECLARE_DYNAMIC_CLASS(wxBMPFileHandler) |
| 79 | }; |
| 80 | |
| 81 | class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler |
| 82 | { |
| 83 | public: |
| 84 | wxBMPResourceHandler() : wxBitmapHandler(_T("Windows bitmap resource"), |
| 85 | wxEmptyString, |
| 86 | wxBITMAP_TYPE_BMP_RESOURCE) |
| 87 | { |
| 88 | } |
| 89 | |
| 90 | virtual bool LoadFile( wxBitmap* pBitmap |
| 91 | ,int nId |
| 92 | ,long lFlags |
| 93 | ,int nDesiredWidth |
| 94 | ,int nDesiredHeight |
| 95 | ); |
| 96 | |
| 97 | private: |
| 98 | DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) |
| 99 | }; |
| 100 | |
| 101 | class WXDLLEXPORT wxIconHandler : public wxGDIImageHandler |
| 102 | { |
| 103 | public: |
| 104 | wxIconHandler( const wxString& rName |
| 105 | ,const wxString& rExt |
| 106 | ,long lType |
| 107 | ) : wxGDIImageHandler( rName |
| 108 | ,rExt |
| 109 | ,lType |
| 110 | ) |
| 111 | { |
| 112 | } |
| 113 | |
| 114 | // creating and saving icons is not supported |
| 115 | virtual bool Create( wxGDIImage* WXUNUSED(pImage) |
| 116 | ,void* WXUNUSED(pData) |
| 117 | ,long WXUNUSED(lFlags) |
| 118 | ,int WXUNUSED(nWidth) |
| 119 | ,int WXUNUSED(nHeight) |
| 120 | ,int WXUNUSED(nDepth) = 1 |
| 121 | ) |
| 122 | { |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | virtual bool Save( wxGDIImage* WXUNUSED(pImage) |
| 127 | ,const wxString& WXUNUSED(rName) |
| 128 | ,int WXUNUSED(nType) |
| 129 | ) |
| 130 | { |
| 131 | return false; |
| 132 | } |
| 133 | virtual bool Load( wxGDIImage* pImage |
| 134 | ,const wxString& rName |
| 135 | ,HPS hPs |
| 136 | ,long lFlags |
| 137 | ,int nDesiredWidth |
| 138 | ,int nDesiredHeight |
| 139 | ) |
| 140 | { |
| 141 | wxIcon* pIcon = wxDynamicCast(pImage, wxIcon); |
| 142 | wxCHECK_MSG(pIcon, false, _T("wxIconHandler only works with icons")); |
| 143 | |
| 144 | return LoadIcon( pIcon |
| 145 | ,rName |
| 146 | ,hPs |
| 147 | ,lFlags |
| 148 | ,nDesiredWidth |
| 149 | ,nDesiredHeight |
| 150 | ); |
| 151 | } |
| 152 | |
| 153 | protected: |
| 154 | virtual bool LoadIcon( wxIcon* pIcon |
| 155 | ,const wxString& rName |
| 156 | ,HPS hPs |
| 157 | ,long lFlags |
| 158 | ,int nDesiredWidth = -1 |
| 159 | ,int nDesiredHeight = -1 |
| 160 | ) = 0; |
| 161 | private: |
| 162 | inline virtual bool Load( wxGDIImage* WXUNUSED(pImage), |
| 163 | int WXUNUSED(nId), |
| 164 | long WXUNUSED(lFlags), |
| 165 | int WXUNUSED(nDesiredWidth), |
| 166 | int WXUNUSED(nDesiredHeight) ) |
| 167 | { |
| 168 | return false; |
| 169 | } |
| 170 | }; |
| 171 | |
| 172 | class WXDLLEXPORT wxICOFileHandler : public wxIconHandler |
| 173 | { |
| 174 | public: |
| 175 | wxICOFileHandler() : wxIconHandler(_T("ICO icon file"), |
| 176 | _T("ico"), |
| 177 | wxBITMAP_TYPE_ICO) |
| 178 | { |
| 179 | } |
| 180 | |
| 181 | virtual bool LoadIcon( wxIcon * pIcon |
| 182 | ,const wxString& rName |
| 183 | ,HPS hPs |
| 184 | ,long lFlags |
| 185 | ,int nDesiredWidth = -1 |
| 186 | ,int nDesiredHeight = -1 |
| 187 | ); |
| 188 | |
| 189 | private: |
| 190 | DECLARE_DYNAMIC_CLASS(wxICOFileHandler) |
| 191 | }; |
| 192 | |
| 193 | class WXDLLEXPORT wxICOResourceHandler: public wxIconHandler |
| 194 | { |
| 195 | public: |
| 196 | wxICOResourceHandler() : wxIconHandler(_T("ICO resource"), |
| 197 | _T("ico"), |
| 198 | wxBITMAP_TYPE_ICO_RESOURCE) |
| 199 | { |
| 200 | } |
| 201 | |
| 202 | virtual bool LoadIcon( wxIcon* pIcon |
| 203 | ,const wxString& rName |
| 204 | ,HPS hPs |
| 205 | ,long lFlags |
| 206 | ,int nDesiredWidth = -1 |
| 207 | ,int nDesiredHeight = -1 |
| 208 | ); |
| 209 | |
| 210 | private: |
| 211 | DECLARE_DYNAMIC_CLASS(wxICOResourceHandler) |
| 212 | }; |
| 213 | |
| 214 | // ---------------------------------------------------------------------------- |
| 215 | // wxWin macros |
| 216 | // ---------------------------------------------------------------------------- |
| 217 | |
| 218 | IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) |
| 219 | IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) |
| 220 | IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject) |
| 221 | IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject) |
| 222 | |
| 223 | // ============================================================================ |
| 224 | // implementation |
| 225 | // ============================================================================ |
| 226 | |
| 227 | wxGDIImageHandlerList wxGDIImage::ms_handlers; |
| 228 | |
| 229 | // ---------------------------------------------------------------------------- |
| 230 | // wxGDIImage functions forwarded to wxGDIImageRefData |
| 231 | // ---------------------------------------------------------------------------- |
| 232 | |
| 233 | bool wxGDIImage::FreeResource( bool WXUNUSED(bForce) ) |
| 234 | { |
| 235 | if ( !IsNull() ) |
| 236 | { |
| 237 | GetGDIImageData()->Free(); |
| 238 | GetGDIImageData()->m_hHandle = 0; |
| 239 | } |
| 240 | |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | WXHANDLE wxGDIImage::GetResourceHandle() |
| 245 | { |
| 246 | return GetHandle(); |
| 247 | } |
| 248 | |
| 249 | // ---------------------------------------------------------------------------- |
| 250 | // wxGDIImage handler stuff |
| 251 | // ---------------------------------------------------------------------------- |
| 252 | |
| 253 | void wxGDIImage::AddHandler( wxGDIImageHandler* pHandler ) |
| 254 | { |
| 255 | ms_handlers.Append(pHandler); |
| 256 | } |
| 257 | |
| 258 | void wxGDIImage::InsertHandler( wxGDIImageHandler* pHandler ) |
| 259 | { |
| 260 | ms_handlers.Insert(pHandler); |
| 261 | } |
| 262 | |
| 263 | bool wxGDIImage::RemoveHandler( const wxString& rName ) |
| 264 | { |
| 265 | wxGDIImageHandler* pHandler = FindHandler(rName); |
| 266 | |
| 267 | if (pHandler) |
| 268 | { |
| 269 | ms_handlers.DeleteObject(pHandler); |
| 270 | return true; |
| 271 | } |
| 272 | else |
| 273 | return false; |
| 274 | } |
| 275 | |
| 276 | wxGDIImageHandler* wxGDIImage::FindHandler( |
| 277 | const wxString& rName |
| 278 | ) |
| 279 | { |
| 280 | wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst(); |
| 281 | |
| 282 | while ( pNode ) |
| 283 | { |
| 284 | wxGDIImageHandler* pHandler = pNode->GetData(); |
| 285 | |
| 286 | if ( pHandler->GetName() == rName ) |
| 287 | return pHandler; |
| 288 | pNode = pNode->GetNext(); |
| 289 | } |
| 290 | return((wxGDIImageHandler*)NULL); |
| 291 | } |
| 292 | |
| 293 | wxGDIImageHandler* wxGDIImage::FindHandler( |
| 294 | const wxString& rExtension |
| 295 | , long lType |
| 296 | ) |
| 297 | { |
| 298 | wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst(); |
| 299 | while ( pNode ) |
| 300 | { |
| 301 | wxGDIImageHandler* pHandler = pNode->GetData(); |
| 302 | |
| 303 | if ( (pHandler->GetExtension() = rExtension) && |
| 304 | (lType == -1 || pHandler->GetType() == lType) ) |
| 305 | { |
| 306 | return pHandler; |
| 307 | } |
| 308 | pNode = pNode->GetNext(); |
| 309 | } |
| 310 | return((wxGDIImageHandler*)NULL); |
| 311 | } |
| 312 | |
| 313 | wxGDIImageHandler* wxGDIImage::FindHandler( |
| 314 | long lType |
| 315 | ) |
| 316 | { |
| 317 | wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst(); |
| 318 | |
| 319 | while ( pNode ) |
| 320 | { |
| 321 | wxGDIImageHandler* pHandler = pNode->GetData(); |
| 322 | |
| 323 | if ( pHandler->GetType() == lType ) |
| 324 | return pHandler; |
| 325 | pNode = pNode->GetNext(); |
| 326 | } |
| 327 | return((wxGDIImageHandler*)NULL); |
| 328 | } |
| 329 | |
| 330 | void wxGDIImage::CleanUpHandlers() |
| 331 | { |
| 332 | wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst(); |
| 333 | |
| 334 | while ( pNode ) |
| 335 | { |
| 336 | wxGDIImageHandler* pHandler = pNode->GetData(); |
| 337 | wxGDIImageHandlerList::compatibility_iterator pNext = pNode->GetNext(); |
| 338 | |
| 339 | delete pHandler; |
| 340 | ms_handlers.Erase( pNode ); |
| 341 | pNode = pNext; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | void wxGDIImage::InitStandardHandlers() |
| 346 | { |
| 347 | AddHandler(new wxBMPResourceHandler); |
| 348 | AddHandler(new wxBMPFileHandler); |
| 349 | AddHandler(new wxICOResourceHandler); |
| 350 | AddHandler(new wxICOFileHandler); |
| 351 | } |
| 352 | |
| 353 | // ---------------------------------------------------------------------------- |
| 354 | // wxBitmap handlers |
| 355 | // ---------------------------------------------------------------------------- |
| 356 | |
| 357 | bool wxBMPResourceHandler::LoadFile( wxBitmap* pBitmap, |
| 358 | int nId, |
| 359 | long WXUNUSED(lFlags), |
| 360 | int WXUNUSED(nDesiredWidth), |
| 361 | int WXUNUSED(nDesiredHeight) ) |
| 362 | { |
| 363 | SIZEL vSize = {0, 0}; |
| 364 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; |
| 365 | HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); |
| 366 | HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); |
| 367 | |
| 368 | pBitmap->SetHBITMAP((WXHBITMAP)::GpiLoadBitmap( hPS |
| 369 | ,NULLHANDLE |
| 370 | ,nId |
| 371 | ,0 |
| 372 | ,0 |
| 373 | )); |
| 374 | ::GpiDestroyPS(hPS); |
| 375 | ::DevCloseDC(hDC); |
| 376 | |
| 377 | wxBitmapRefData* pData = pBitmap->GetBitmapData(); |
| 378 | |
| 379 | if ( pBitmap->Ok() ) |
| 380 | { |
| 381 | BITMAPINFOHEADER vBmph; |
| 382 | |
| 383 | ::GpiQueryBitmapParameters(GetHbitmapOf(*pBitmap), &vBmph); |
| 384 | pData->m_nWidth = vBmph.cx; |
| 385 | pData->m_nHeight = vBmph.cy; |
| 386 | pData->m_nDepth = vBmph.cBitCount; |
| 387 | } |
| 388 | return(pBitmap->Ok()); |
| 389 | } // end of wxBMPResourceHandler::LoadFile |
| 390 | |
| 391 | bool wxBMPFileHandler::LoadFile( wxBitmap* pBitmap, |
| 392 | const wxString& WXUNUSED(rName), |
| 393 | HPS WXUNUSED(hPs), |
| 394 | long WXUNUSED(lFlags), |
| 395 | int WXUNUSED(nDesiredWidth), |
| 396 | int WXUNUSED(nDesiredHeight) ) |
| 397 | { |
| 398 | #if defined(wxUSE_IMAGE_LOADING_IN_OS2) && wxUSE_IMAGE_LOADING_IN_OS2 |
| 399 | wxPalette* pPalette = NULL; |
| 400 | |
| 401 | bool bSuccess = false; /* wxLoadIntoBitmap( WXSTRINGCAST rName |
| 402 | ,pBitmap |
| 403 | ,&pPalette |
| 404 | ) != 0; */ |
| 405 | if (bSuccess && pPalette) |
| 406 | { |
| 407 | pBitmap->SetPalette(*pPalette); |
| 408 | } |
| 409 | |
| 410 | // it was copied by the bitmap if it was loaded successfully |
| 411 | delete pPalette; |
| 412 | |
| 413 | return(bSuccess); |
| 414 | #else |
| 415 | wxUnusedVar(pBitmap); |
| 416 | return false; |
| 417 | #endif |
| 418 | } |
| 419 | |
| 420 | bool wxBMPFileHandler::SaveFile( wxBitmap* pBitmap, |
| 421 | const wxString& WXUNUSED(rName), |
| 422 | int WXUNUSED(nType), |
| 423 | const wxPalette* pPal ) |
| 424 | { |
| 425 | #if defined(wxUSE_IMAGE_LOADING_IN_OS2) && wxUSE_IMAGE_LOADING_IN_OS2 |
| 426 | wxPalette* pActualPalette = (wxPalette *)pPal; |
| 427 | |
| 428 | if (!pActualPalette) |
| 429 | pActualPalette = pBitmap->GetPalette(); |
| 430 | /* return(wxSaveBitmap( WXSTRINGCAST rName |
| 431 | ,pBitmap |
| 432 | ,pActualPalette |
| 433 | ) != 0); */ |
| 434 | return false; |
| 435 | #else |
| 436 | wxUnusedVar(pBitmap); |
| 437 | wxUnusedVar(pPal); |
| 438 | return false; |
| 439 | #endif |
| 440 | } |
| 441 | |
| 442 | // ---------------------------------------------------------------------------- |
| 443 | // wxIcon handlers |
| 444 | // ---------------------------------------------------------------------------- |
| 445 | |
| 446 | bool wxICOFileHandler::LoadIcon( wxIcon* pIcon, |
| 447 | const wxString& WXUNUSED(rName), |
| 448 | HPS WXUNUSED(hPs), |
| 449 | long WXUNUSED(lFlags), |
| 450 | int WXUNUSED(nDesiredWidth), |
| 451 | int WXUNUSED(nDesiredHeight) ) |
| 452 | { |
| 453 | #if defined(wxUSE_RESOURCE_LOADING_IN_OS2) && wxUSE_RESOURCE_LOADING_IN_OS2 |
| 454 | pIcon->UnRef(); |
| 455 | |
| 456 | return false; |
| 457 | #else |
| 458 | wxUnusedVar(pIcon); |
| 459 | return false; |
| 460 | #endif |
| 461 | } |
| 462 | |
| 463 | bool wxICOResourceHandler::LoadIcon( wxIcon* pIcon, |
| 464 | const wxString& rName, |
| 465 | HPS WXUNUSED(hPs), |
| 466 | long WXUNUSED(lFlags), |
| 467 | int WXUNUSED(nDesiredWidth), |
| 468 | int WXUNUSED(nDesiredHeight) ) |
| 469 | { |
| 470 | HPOINTER hIcon; |
| 471 | |
| 472 | hIcon = ::WinLoadFileIcon( (PSZ)rName.c_str() |
| 473 | ,TRUE // load for private use |
| 474 | ); |
| 475 | |
| 476 | pIcon->SetSize(32, 32); // all OS/2 icons are 32 x 32 |
| 477 | |
| 478 | pIcon->SetHICON((WXHICON)hIcon); |
| 479 | |
| 480 | return pIcon->Ok(); |
| 481 | } // end of wxICOResourceHandler::LoadIcon |