Commit | Line | Data |
---|---|---|
b4eb4c6b DW |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: msw/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 license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
aa213887 SN |
20 | #ifdef __GNUG__ |
21 | #pragma implementation "gdiimage.h" | |
22 | #endif | |
23 | ||
b4eb4c6b DW |
24 | // For compilers that support precompilation, includes "wx.h". |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | ||
28 | #ifndef WX_PRECOMP | |
29 | #include "wx/string.h" | |
30 | #endif // WX_PRECOMP | |
31 | ||
32 | #include "wx/os2/private.h" | |
b4eb4c6b | 33 | #include "wx/app.h" |
b4eb4c6b DW |
34 | #include "wx/os2/gdiimage.h" |
35 | ||
36 | // ---------------------------------------------------------------------------- | |
37 | // private classes | |
38 | // ---------------------------------------------------------------------------- | |
39 | ||
40 | // all image handlers are declared/defined in this file because the outside | |
41 | // world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids) | |
42 | ||
43 | class WXDLLEXPORT wxBMPFileHandler : public wxBitmapHandler | |
44 | { | |
45 | public: | |
46 | wxBMPFileHandler() : wxBitmapHandler(_T("Windows bitmap file"), _T("bmp"), | |
47 | wxBITMAP_TYPE_BMP) | |
48 | { | |
49 | } | |
50 | ||
51 | virtual bool LoadFile( wxBitmap* pBitmap | |
52 | ,const wxString& rName | |
53 | ,HPS hPs | |
54 | ,long lFlags | |
55 | ,int nDesiredWidth | |
56 | ,int nDesiredHeight | |
57 | ); | |
58 | virtual bool SaveFile( wxBitmap* pBitmap | |
59 | ,const wxString& rName | |
60 | ,int lType | |
61 | ,const wxPalette* pPalette = NULL | |
62 | ); | |
63 | ||
64 | private: | |
65 | DECLARE_DYNAMIC_CLASS(wxBMPFileHandler) | |
66 | }; | |
67 | ||
68 | class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler | |
69 | { | |
70 | public: | |
71 | wxBMPResourceHandler() : wxBitmapHandler(_T("Windows bitmap resource"), | |
72 | wxEmptyString, | |
73 | wxBITMAP_TYPE_BMP_RESOURCE) | |
74 | { | |
75 | } | |
76 | ||
77 | virtual bool LoadFile( wxBitmap* pBitmap | |
78 | ,const wxString& rName | |
79 | ,HPS hPs | |
80 | ,long lFlags | |
81 | ,int nDesiredWidth | |
82 | ,int nDesiredHeight | |
83 | ); | |
84 | ||
85 | private: | |
86 | DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) | |
87 | }; | |
88 | ||
89 | class WXDLLEXPORT wxIconHandler : public wxGDIImageHandler | |
90 | { | |
91 | public: | |
92 | wxIconHandler( const wxString& rName | |
93 | ,const wxString& rExt | |
94 | ,long lType | |
95 | ) : wxGDIImageHandler( rName | |
96 | ,rExt | |
97 | ,lType | |
98 | ) | |
99 | { | |
100 | } | |
101 | ||
102 | // creating and saving icons is not supported | |
103 | virtual bool Create( wxGDIImage* WXUNUSED(pImage) | |
104 | ,void* WXUNUSED(pData) | |
105 | ,long WXUNUSED(lFlags) | |
106 | ,int WXUNUSED(nWidth) | |
107 | ,int WXUNUSED(nHeight) | |
108 | ,int WXUNUSED(nDepth) = 1 | |
109 | ) | |
110 | { | |
111 | return(FALSE); | |
112 | } | |
113 | ||
114 | virtual bool Save( wxGDIImage* WXUNUSED(pImage) | |
115 | ,const wxString& WXUNUSED(rName) | |
116 | ,int WXUNUSED(nType) | |
117 | ) | |
118 | { | |
119 | return(FALSE); | |
120 | } | |
121 | virtual bool Load( wxGDIImage* pImage | |
122 | ,const wxString& rName | |
123 | ,HPS hPs | |
124 | ,long lFlags | |
125 | ,int nDesiredWidth | |
126 | ,int nDesiredHeight | |
127 | ) | |
128 | { | |
129 | wxIcon* pIcon = wxDynamicCast(pImage, wxIcon); | |
130 | wxCHECK_MSG(pIcon, FALSE, _T("wxIconHandler only works with icons")); | |
131 | ||
132 | return LoadIcon( pIcon | |
133 | ,rName | |
134 | ,hPs | |
135 | ,lFlags | |
136 | ,nDesiredWidth | |
137 | ,nDesiredHeight | |
138 | ); | |
139 | } | |
140 | ||
141 | protected: | |
142 | virtual bool LoadIcon( wxIcon* pIcon | |
143 | ,const wxString& rName | |
144 | ,HPS hPs | |
145 | ,long lFlags | |
146 | ,int nDesiredWidth = -1 | |
147 | ,int nDesiredHeight = -1 | |
148 | ) = 0; | |
149 | }; | |
150 | ||
151 | class WXDLLEXPORT wxICOFileHandler : public wxIconHandler | |
152 | { | |
153 | public: | |
154 | wxICOFileHandler() : wxIconHandler(_T("ICO icon file"), | |
155 | _T("ico"), | |
156 | wxBITMAP_TYPE_ICO) | |
157 | { | |
158 | } | |
159 | ||
160 | virtual bool LoadIcon( wxIcon * pIcon | |
161 | ,const wxString& rName | |
162 | ,HPS hPs | |
163 | ,long lFlags | |
164 | ,int nDesiredWidth = -1 | |
165 | ,int nDesiredHeight = -1 | |
166 | ); | |
167 | ||
168 | private: | |
169 | DECLARE_DYNAMIC_CLASS(wxICOFileHandler) | |
170 | }; | |
171 | ||
172 | class WXDLLEXPORT wxICOResourceHandler: public wxIconHandler | |
173 | { | |
174 | public: | |
175 | wxICOResourceHandler() : wxIconHandler(_T("ICO resource"), | |
176 | _T("ico"), | |
177 | wxBITMAP_TYPE_ICO_RESOURCE) | |
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(wxICOResourceHandler) | |
191 | }; | |
192 | ||
193 | // ---------------------------------------------------------------------------- | |
194 | // wxWin macros | |
195 | // ---------------------------------------------------------------------------- | |
196 | ||
197 | #if !USE_SHARED_LIBRARIES | |
198 | IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) | |
199 | IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) | |
4a46a5df DW |
200 | IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject) |
201 | IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject) | |
b4eb4c6b DW |
202 | #endif |
203 | ||
204 | // ---------------------------------------------------------------------------- | |
205 | // private functions | |
206 | // ---------------------------------------------------------------------------- | |
207 | ||
208 | static wxSize GetHiconSize(WXHICON hicon); | |
209 | ||
210 | // ============================================================================ | |
211 | // implementation | |
212 | // ============================================================================ | |
213 | ||
214 | wxList wxGDIImage::ms_handlers; | |
215 | ||
216 | // ---------------------------------------------------------------------------- | |
217 | // wxGDIImage functions forwarded to wxGDIImageRefData | |
218 | // ---------------------------------------------------------------------------- | |
219 | ||
220 | bool wxGDIImage::FreeResource( | |
221 | bool WXUNUSED(bForce) | |
222 | ) | |
223 | { | |
224 | if ( !IsNull() ) | |
225 | { | |
226 | GetGDIImageData()->Free(); | |
227 | GetGDIImageData()->m_hHandle = 0; | |
228 | } | |
229 | ||
230 | return(TRUE); | |
231 | } | |
232 | ||
233 | WXHANDLE wxGDIImage::GetResourceHandle() | |
234 | { | |
235 | return GetHandle(); | |
236 | } | |
237 | ||
238 | // ---------------------------------------------------------------------------- | |
239 | // wxGDIImage handler stuff | |
240 | // ---------------------------------------------------------------------------- | |
241 | ||
242 | void wxGDIImage::AddHandler( | |
243 | wxGDIImageHandler* pHandler | |
244 | ) | |
245 | { | |
246 | ms_handlers.Append(pHandler); | |
247 | } | |
248 | ||
249 | void wxGDIImage::InsertHandler( | |
250 | wxGDIImageHandler* pHandler | |
251 | ) | |
252 | { | |
253 | ms_handlers.Insert(pHandler); | |
254 | } | |
255 | ||
256 | bool wxGDIImage::RemoveHandler( | |
257 | const wxString& rName | |
258 | ) | |
259 | { | |
260 | wxGDIImageHandler* pHandler = FindHandler(rName); | |
261 | ||
262 | if (pHandler) | |
263 | { | |
264 | ms_handlers.DeleteObject(pHandler); | |
265 | return(TRUE); | |
266 | } | |
267 | else | |
268 | return(FALSE); | |
269 | } | |
270 | ||
271 | wxGDIImageHandler* wxGDIImage::FindHandler( | |
272 | const wxString& rName | |
273 | ) | |
274 | { | |
275 | wxNode* pNode = ms_handlers.First(); | |
276 | ||
277 | while (pNode) | |
278 | { | |
279 | wxGDIImageHandler* pHandler = (wxGDIImageHandler *)pNode->Data(); | |
280 | ||
281 | if (pHandler->GetName() == rName) | |
282 | return(pHandler); | |
283 | pNode = pNode->Next(); | |
284 | } | |
285 | return(NULL); | |
286 | } | |
287 | ||
288 | wxGDIImageHandler* wxGDIImage::FindHandler( | |
289 | const wxString& rExtension | |
290 | , long lType | |
291 | ) | |
292 | { | |
293 | wxNode* pNode = ms_handlers.First(); | |
294 | ||
295 | while (pNode) | |
296 | { | |
297 | wxGDIImageHandler* pHandler = (wxGDIImageHandler *)pNode->Data(); | |
298 | ||
299 | if ((pHandler->GetExtension() = rExtension) && | |
300 | (lType == -1 || pHandler->GetType() == lType)) | |
301 | { | |
302 | return(pHandler); | |
303 | } | |
304 | pNode = pNode->Next(); | |
305 | } | |
306 | return(NULL); | |
307 | } | |
308 | ||
309 | wxGDIImageHandler* wxGDIImage::FindHandler( | |
310 | long lType | |
311 | ) | |
312 | { | |
313 | wxNode* pNode = ms_handlers.First(); | |
314 | ||
315 | while (pNode) | |
316 | { | |
317 | wxGDIImageHandler* pHandler = (wxGDIImageHandler *)pNode->Data(); | |
318 | ||
319 | if (pHandler->GetType() == lType) | |
320 | return pHandler; | |
321 | pNode = pNode->Next(); | |
322 | } | |
323 | return(NULL); | |
324 | } | |
325 | ||
326 | void wxGDIImage::CleanUpHandlers() | |
327 | { | |
328 | wxNode* pNode = ms_handlers.First(); | |
329 | ||
330 | while (pNode) | |
331 | { | |
332 | wxGDIImageHandler* pHandler = (wxGDIImageHandler *)pNode->Data(); | |
333 | wxNode* pNext = pNode->Next(); | |
334 | ||
335 | delete pHandler; | |
f6bcfd97 | 336 | #if (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 ))) |
b4eb4c6b | 337 | delete pNode; |
f6bcfd97 | 338 | #endif |
b4eb4c6b DW |
339 | pNode = pNext; |
340 | } | |
341 | } | |
342 | ||
343 | void wxGDIImage::InitStandardHandlers() | |
344 | { | |
345 | AddHandler(new wxBMPResourceHandler); | |
346 | AddHandler(new wxBMPFileHandler); | |
b4eb4c6b DW |
347 | AddHandler(new wxICOResourceHandler); |
348 | AddHandler(new wxICOFileHandler); | |
349 | } | |
350 | ||
351 | // ---------------------------------------------------------------------------- | |
352 | // wxBitmap handlers | |
353 | // ---------------------------------------------------------------------------- | |
354 | ||
355 | bool wxBMPResourceHandler::LoadFile( | |
356 | wxBitmap* pBitmap | |
357 | , const wxString& rName | |
358 | , HPS hPs | |
359 | , long lFlags | |
360 | , int nDesiredWidth | |
361 | , int nDesiredHeight | |
362 | ) | |
363 | { | |
364 | // TODO: load a bitmap from a file | |
365 | /* | |
366 | rBitmap->SetHBITMAP((WXHBITMAP)::LoadBitmap(wxGetInstance(), rName)); | |
367 | ||
368 | wxBitmapRefData* pData = bitmap->GetBitmapData(); | |
369 | ||
370 | if (pBitmap->Ok()) | |
371 | { | |
372 | BITMAP bm; | |
373 | ||
374 | if ( !::GetObject(GetHbitmapOf(*pBitmap), sizeof(BITMAP), (LPSTR) &bm) ) | |
375 | { | |
376 | wxLogLastError("GetObject(HBITMAP)"); | |
377 | } | |
378 | ||
379 | data->m_width = bm.bmWidth; | |
380 | data->m_height = bm.bmHeight; | |
381 | data->m_depth = bm.bmBitsPixel; | |
382 | } | |
383 | else | |
384 | { | |
385 | // it's probably not found | |
386 | wxLogError(wxT("Can't load bitmap '%s' from resources! Check .rc file."), | |
387 | name.c_str()); | |
388 | } | |
389 | ||
390 | return bitmap->Ok(); | |
391 | */ | |
392 | return(FALSE); | |
393 | } | |
394 | ||
395 | bool wxBMPFileHandler::LoadFile( | |
396 | wxBitmap* pBitmap | |
397 | , const wxString& rName | |
398 | , HPS hPs | |
399 | , long WXUNUSED(lFlags) | |
400 | , int WXUNUSED(nDesiredWidth) | |
401 | , int WXUNUSED(nDesiredHeight) | |
402 | ) | |
403 | { | |
404 | #if wxUSE_IMAGE_LOADING_IN_OS2 | |
405 | wxPalette* pPalette = NULL; | |
406 | ||
407 | bool bSuccess = FALSE; /* wxLoadIntoBitmap( WXSTRINGCAST rName | |
408 | ,pBitmap | |
409 | ,&pPalette | |
410 | ) != 0; */ | |
411 | if (bSuccess && pPalette) | |
412 | { | |
413 | pBitmap->SetPalette(*pPalette); | |
414 | } | |
415 | ||
416 | // it was copied by the bitmap if it was loaded successfully | |
417 | delete pPalette; | |
418 | ||
419 | return(bSuccess); | |
420 | #else | |
421 | return(FALSE); | |
422 | #endif | |
423 | } | |
424 | ||
425 | bool wxBMPFileHandler::SaveFile( | |
426 | wxBitmap* pBitmap | |
427 | , const wxString& rName | |
428 | , int WXUNUSED(nType) | |
429 | , const wxPalette* pPal | |
430 | ) | |
431 | { | |
432 | #if wxUSE_IMAGE_LOADING_IN_OS2 | |
433 | wxPalette* pActualPalette = (wxPalette *)pPal; | |
434 | ||
435 | if (!pActualPalette) | |
436 | pActualPalette = pBitmap->GetPalette(); | |
437 | /* return(wxSaveBitmap( WXSTRINGCAST rName | |
438 | ,pBitmap | |
439 | ,pActualPalette | |
440 | ) != 0); */ | |
441 | return(FALSE); | |
442 | #else | |
443 | return(FALSE); | |
444 | #endif | |
445 | } | |
446 | ||
447 | // ---------------------------------------------------------------------------- | |
448 | // wxIcon handlers | |
449 | // ---------------------------------------------------------------------------- | |
450 | ||
451 | bool wxICOFileHandler::LoadIcon( | |
452 | wxIcon* pIcon | |
453 | , const wxString& rName | |
454 | , HPS hPs | |
455 | , long lFlags | |
456 | , int nDesiredWidth | |
457 | , int nDesiredHeight | |
458 | ) | |
459 | { | |
460 | #if wxUSE_RESOURCE_LOADING_IN_OS2 | |
461 | pIcon->UnRef(); | |
462 | ||
463 | // actual size | |
464 | wxSize vSize; | |
465 | ||
466 | // TODO: load icon directly from a file | |
467 | /* | |
468 | #ifdef __WIN32__ | |
469 | HICON hicon = ::ExtractIcon(wxGetInstance(), name, first); | |
470 | if ( !hicon ) | |
471 | { | |
472 | wxLogSysError(_T("Failed to load icon from the file '%s'"), | |
473 | name.c_str()); | |
474 | ||
475 | return FALSE; | |
476 | } | |
477 | ||
478 | size = GetHiconSize(hicon); | |
479 | #else // Win16 | |
480 | HICON hicon = ReadIconFile((wxChar *)name.c_str(), | |
481 | wxGetInstance(), | |
482 | &size.x, &size.y); | |
483 | #endif // Win32/Win16 | |
484 | ||
485 | if ( (desiredWidth != -1 && desiredWidth != size.x) || | |
486 | (desiredHeight != -1 && desiredHeight != size.y) ) | |
487 | { | |
488 | wxLogDebug(_T("Returning FALSE from wxICOFileHandler::Load because " | |
489 | "of the size mismatch: actual (%d, %d), " | |
490 | "requested (%d, %d)"), | |
491 | size.x, size.y, | |
492 | desiredWidth, desiredHeight); | |
493 | ||
494 | ::DestroyIcon(hicon); | |
495 | ||
496 | return FALSE; | |
497 | } | |
498 | ||
499 | icon->SetHICON((WXHICON)hicon); | |
500 | icon->SetSize(size.x, size.y); | |
501 | ||
502 | return icon->Ok(); | |
503 | */ | |
504 | return(FALSE); | |
505 | #else | |
506 | return(FALSE); | |
507 | #endif | |
508 | } | |
509 | ||
510 | bool wxICOResourceHandler::LoadIcon( | |
511 | wxIcon* pIcon | |
512 | , const wxString& rName | |
513 | , HPS hPs | |
514 | , long lFlags | |
22e90769 DW |
515 | , int WXUNUSED(nDesiredWidth) |
516 | , int WXUNUSED(nDesiredHeight) | |
b4eb4c6b DW |
517 | ) |
518 | { | |
22e90769 | 519 | HPOINTER hIcon; |
b4eb4c6b | 520 | |
22e90769 DW |
521 | hIcon = ::WinLoadFileIcon( (PSZ)rName.c_str() |
522 | ,TRUE // load for private use | |
523 | ); | |
b4eb4c6b | 524 | |
22e90769 | 525 | pIcon->SetSize(32, 32); // all OS/2 icons are 32 x 32 |
b4eb4c6b | 526 | |
b4eb4c6b | 527 | |
22e90769 | 528 | pIcon->SetHICON((WXHICON)hIcon); |
b4eb4c6b | 529 | |
22e90769 DW |
530 | return pIcon->Ok(); |
531 | } // end of wxICOResourceHandler::LoadIcon | |
b4eb4c6b DW |
532 | |
533 | // ---------------------------------------------------------------------------- | |
534 | // private functions | |
535 | // ---------------------------------------------------------------------------- | |
536 | ||
537 | static wxSize GetHiconSize( | |
538 | WXHICON hicon | |
539 | ) | |
540 | { | |
541 | wxSize vSize(32, 32); // default | |
542 | ||
543 | // all OS/2 icons are 32x32 | |
544 | return(vSize); | |
545 | } | |
546 |