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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: bitmap.cpp | |
3 | // Purpose: wxBitmap | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 08/08/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "bitmap.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifndef WX_PRECOMP | |
20 | #include <stdio.h> | |
21 | ||
22 | #include "wx/list.h" | |
23 | #include "wx/utils.h" | |
24 | #include "wx/app.h" | |
25 | #include "wx/palette.h" | |
26 | #include "wx/dcmemory.h" | |
27 | #include "wx/bitmap.h" | |
28 | #include "wx/icon.h" | |
29 | #endif | |
30 | ||
31 | #include "wx/os2/private.h" | |
32 | #include "wx/log.h" | |
33 | ||
34 | //#include "wx/msw/dib.h" | |
35 | #include "wx/image.h" | |
36 | ||
37 | // ---------------------------------------------------------------------------- | |
38 | // macros | |
39 | // ---------------------------------------------------------------------------- | |
40 | ||
41 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) | |
42 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) | |
43 | ||
44 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) | |
45 | ||
46 | // ============================================================================ | |
47 | // implementation | |
48 | // ============================================================================ | |
49 | ||
50 | // ---------------------------------------------------------------------------- | |
51 | // wxBitmapRefData | |
52 | // ---------------------------------------------------------------------------- | |
53 | ||
54 | wxBitmapRefData::wxBitmapRefData() | |
55 | { | |
56 | m_nQuality = 0; | |
57 | m_pSelectedInto = NULL; | |
58 | m_nNumColors = 0; | |
59 | m_pBitmapMask = NULL; | |
60 | m_hBitmap = (WXHBITMAP) NULL; | |
61 | } // end of wxBitmapRefData::wxBitmapRefData | |
62 | ||
63 | void wxBitmapRefData::Free() | |
64 | { | |
65 | wxASSERT_MSG( !m_pSelectedInto, | |
66 | wxT("deleting bitmap still selected into wxMemoryDC") ); | |
67 | ||
68 | if (m_hBitmap) | |
69 | { | |
70 | if ( !::GpiDeleteBitmap((HBITMAP)m_hBitmap) ) | |
71 | { | |
72 | wxLogLastError("GpiDeleteBitmap(hbitmap)"); | |
73 | } | |
74 | } | |
75 | ||
76 | delete m_pBitmapMask; | |
77 | m_pBitmapMask = NULL; | |
78 | } // end of wxBitmapRefData::Free | |
79 | ||
80 | // ---------------------------------------------------------------------------- | |
81 | // wxBitmap creation | |
82 | // ---------------------------------------------------------------------------- | |
83 | ||
84 | // this function should be called from all wxBitmap ctors | |
85 | void wxBitmap::Init() | |
86 | { | |
87 | // m_refData = NULL; done in the base class ctor | |
88 | ||
89 | if (wxTheBitmapList) | |
90 | wxTheBitmapList->AddBitmap(this); | |
91 | } // end of wxBitmap::Init | |
92 | ||
93 | bool wxBitmap::CopyFromIconOrCursor( | |
94 | const wxGDIImage& rIcon | |
95 | ) | |
96 | { | |
97 | HPOINTER hIcon = (HPOINTER)rIcon.GetHandle(); | |
98 | POINTERINFO SIconInfo; | |
99 | ||
100 | if (!::WinQueryPointerInfo(hIcon, &SIconInfo)) | |
101 | { | |
102 | wxLogLastError(wxT("WinQueryPointerInfo")); | |
103 | return FALSE; | |
104 | } | |
105 | wxBitmapRefData* pRefData = new wxBitmapRefData; | |
106 | ||
107 | m_refData = pRefData; | |
108 | ||
109 | int nWidth = rIcon.GetWidth(); | |
110 | int nHeight = rIcon.GetHeight(); | |
111 | ||
112 | pRefData->m_nWidth = nWidth; | |
113 | pRefData->m_nHeight = nHeight; | |
114 | pRefData->m_nDepth = wxDisplayDepth(); | |
115 | ||
116 | pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor; | |
117 | ||
118 | // | |
119 | // No mask in the Info struct in OS/2 | |
120 | // | |
121 | return(TRUE); | |
122 | } // end of wxBitmap::CopyFromIconOrCursor | |
123 | ||
124 | bool wxBitmap::CopyFromCursor( | |
125 | const wxCursor& rCursor | |
126 | ) | |
127 | { | |
128 | UnRef(); | |
129 | ||
130 | if (!rCursor.Ok()) | |
131 | return(FALSE); | |
132 | return(CopyFromIconOrCursor(rCursor)); | |
133 | } // end of wxBitmap::CopyFromCursor | |
134 | ||
135 | bool wxBitmap::CopyFromIcon( | |
136 | const wxIcon& rIcon | |
137 | ) | |
138 | { | |
139 | UnRef(); | |
140 | ||
141 | if (!rIcon.Ok()) | |
142 | return(FALSE); | |
143 | ||
144 | return CopyFromIconOrCursor(rIcon); | |
145 | } // end of wxBitmap::CopyFromIcon | |
146 | ||
147 | wxBitmap::~wxBitmap() | |
148 | { | |
149 | if (wxTheBitmapList) | |
150 | wxTheBitmapList->DeleteObject(this); | |
151 | } // end of wxBitmap::~wxBitmap | |
152 | ||
153 | wxBitmap::wxBitmap( | |
154 | const char zBits[] | |
155 | , int nTheWidth | |
156 | , int nTheHeight | |
157 | , int nNoBits | |
158 | ) | |
159 | { | |
160 | Init(); | |
161 | ||
162 | wxBitmapRefData* pRefData = new wxBitmapRefData; | |
163 | BITMAPINFOHEADER2 vHeader; | |
164 | BITMAPINFO2 vInfo; | |
165 | HDC hDc; | |
166 | HPS hPs; | |
167 | DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; | |
168 | SIZEL vSize = {0, 0}; | |
169 | ||
170 | wxASSERT(vHabmain != NULL); | |
171 | ||
172 | hDc = ::DevOpenDC(vHabmain, OD_MEMORY, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L); | |
173 | ||
174 | vHeader.cbFix = sizeof(vHeader); | |
175 | vHeader.cx = (USHORT)nTheWidth; | |
176 | vHeader.cy = (USHORT)nTheHeight; | |
177 | vHeader.cPlanes = 1L; | |
178 | vHeader.cBitCount = nNoBits; | |
179 | vHeader.ulCompression = BCA_UNCOMP; | |
180 | vHeader.cxResolution = 0; | |
181 | vHeader.cyResolution = 0; | |
182 | vHeader.cclrUsed = 0; | |
183 | vHeader.cclrImportant = 0; | |
184 | vHeader.usUnits = BRU_METRIC; | |
185 | vHeader.usRecording = BRA_BOTTOMUP; | |
186 | vHeader.usRendering = BRH_NOTHALFTONED; | |
187 | vHeader.cSize1 = 0; | |
188 | vHeader.cSize2 = 0; | |
189 | vHeader.ulColorEncoding = 0; | |
190 | vHeader.ulIdentifier = 0; | |
191 | ||
192 | hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS); | |
193 | if (hPs == 0) | |
194 | { | |
195 | wxLogLastError("GpiCreatePS Failure"); | |
196 | } | |
197 | ||
198 | m_refData = pRefData; | |
199 | ||
200 | pRefData->m_nWidth = nTheWidth; | |
201 | pRefData->m_nHeight = nTheHeight; | |
202 | pRefData->m_nDepth = nNoBits; | |
203 | pRefData->m_nNumColors = 0; | |
204 | pRefData->m_pSelectedInto = NULL; | |
205 | ||
206 | HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo); | |
207 | if (!hBmp) | |
208 | { | |
209 | wxLogLastError("CreateBitmap"); | |
210 | } | |
211 | SetHBITMAP((WXHBITMAP)hBmp); | |
212 | } // end of wxBitmap::wxBitmap | |
213 | ||
214 | // | |
215 | // Create from XPM data | |
216 | // | |
217 | wxBitmap::wxBitmap( | |
218 | char** ppData | |
219 | ) | |
220 | { | |
221 | Init(); | |
222 | ||
223 | (void)Create( (void *)ppData | |
224 | ,wxBITMAP_TYPE_XPM_DATA | |
225 | ,0 | |
226 | ,0 | |
227 | ,0 | |
228 | ); | |
229 | } // end of wxBitmap::wxBitmap | |
230 | ||
231 | wxBitmap::wxBitmap( | |
232 | const char** ppData | |
233 | ) | |
234 | { | |
235 | Init(); | |
236 | ||
237 | (void)Create( (void *)ppData | |
238 | ,wxBITMAP_TYPE_XPM_DATA | |
239 | ,0 | |
240 | ,0 | |
241 | ,0 | |
242 | ); | |
243 | } // end of wxBitmap::wxBitmap | |
244 | ||
245 | wxBitmap::wxBitmap( | |
246 | int nW | |
247 | , int nH | |
248 | , int nD | |
249 | ) | |
250 | { | |
251 | Init(); | |
252 | ||
253 | (void)Create( nW | |
254 | ,nH | |
255 | ,nD | |
256 | ); | |
257 | } // end of wxBitmap::wxBitmap | |
258 | ||
259 | wxBitmap::wxBitmap( | |
260 | void* pData | |
261 | , long lType | |
262 | , int nWidth | |
263 | , int nHeight | |
264 | , int nDepth | |
265 | ) | |
266 | { | |
267 | Init(); | |
268 | ||
269 | (void)Create( pData | |
270 | ,lType | |
271 | ,nWidth | |
272 | ,nHeight | |
273 | ,nDepth | |
274 | ); | |
275 | } // end of wxBitmap::wxBitmap | |
276 | ||
277 | wxBitmap::wxBitmap( | |
278 | const wxString& rFilename | |
279 | , long lType | |
280 | ) | |
281 | { | |
282 | Init(); | |
283 | ||
284 | LoadFile( rFilename | |
285 | ,(int)lType | |
286 | ); | |
287 | } // end of wxBitmap::wxBitmap | |
288 | ||
289 | bool wxBitmap::Create( | |
290 | int nW | |
291 | , int nH | |
292 | , int nD | |
293 | ) | |
294 | { | |
295 | HBITMAP hBmp; | |
296 | BITMAPINFOHEADER2 vHeader; | |
297 | ||
298 | wxASSERT(vHabmain != NULL); | |
299 | UnRef(); | |
300 | m_refData = new wxBitmapRefData; | |
301 | GetBitmapData()->m_nWidth = nW; | |
302 | GetBitmapData()->m_nHeight = nH; | |
303 | GetBitmapData()->m_nDepth = nD; | |
304 | ||
305 | if (nD > 0) | |
306 | { | |
307 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
308 | SIZEL vSize = {0, 0}; | |
309 | HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
310 | HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); | |
311 | ||
312 | memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); | |
313 | vHeader.cbFix = sizeof(BITMAPINFOHEADER2); | |
314 | vHeader.cx = nW; | |
315 | vHeader.cy = nH; | |
316 | vHeader.cPlanes = 1; | |
317 | vHeader.cBitCount = nD; | |
318 | ||
319 | hBmp = ::GpiCreateBitmap( hPS | |
320 | ,&vHeader | |
321 | ,0L | |
322 | ,NULL | |
323 | ,NULL | |
324 | ); | |
325 | ::GpiDestroyPS(hPS); | |
326 | ::DevCloseDC(hDC); | |
327 | } | |
328 | else | |
329 | { | |
330 | HPS hPSScreen; | |
331 | HDC hDCScreen; | |
332 | LONG lBitCount; | |
333 | ||
334 | hPSScreen = ::WinGetScreenPS(HWND_DESKTOP); | |
335 | hDCScreen = ::GpiQueryDevice(hPSScreen); | |
336 | ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount); | |
337 | ||
338 | memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2)); | |
339 | vHeader.cbFix = sizeof(BITMAPINFOHEADER2); | |
340 | vHeader.cx = nW; | |
341 | vHeader.cy = nH; | |
342 | vHeader.cPlanes = 1; | |
343 | vHeader.cBitCount = lBitCount; | |
344 | ||
345 | hBmp = ::GpiCreateBitmap( hPSScreen | |
346 | ,&vHeader | |
347 | ,0L | |
348 | ,NULL | |
349 | ,NULL | |
350 | ); | |
351 | ||
352 | GetBitmapData()->m_nDepth = wxDisplayDepth(); | |
353 | ::WinReleasePS(hPSScreen); | |
354 | } | |
355 | SetHBITMAP((WXHBITMAP)hBmp); | |
356 | ||
357 | #if WXWIN_COMPATIBILITY_2 | |
358 | GetBitmapData()->m_bOk = hBmp != 0; | |
359 | #endif // WXWIN_COMPATIBILITY_2 | |
360 | ||
361 | return Ok(); | |
362 | } // end of wxBitmap::Create | |
363 | ||
364 | bool wxBitmap::LoadFile( | |
365 | const wxString& rFilename | |
366 | , long lType | |
367 | ) | |
368 | { | |
369 | HPS hPs = NULLHANDLE; | |
370 | ||
371 | UnRef(); | |
372 | ||
373 | wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) | |
374 | ,wxBitmapHandler | |
375 | ); | |
376 | ||
377 | if (pHandler) | |
378 | { | |
379 | m_refData = new wxBitmapRefData; | |
380 | ||
381 | return(pHandler->LoadFile( this | |
382 | ,rFilename | |
383 | ,hPs | |
384 | ,lType | |
385 | , -1 | |
386 | , -1 | |
387 | )); | |
388 | } | |
389 | else | |
390 | { | |
391 | wxImage vImage; | |
392 | ||
393 | if (!vImage.LoadFile(rFilename, lType) || !vImage.Ok() ) | |
394 | return(FALSE); | |
395 | ||
396 | *this = vImage.ConvertToBitmap(); | |
397 | ||
398 | return(TRUE); | |
399 | } | |
400 | } // end of wxBitmap::LoadFile | |
401 | ||
402 | bool wxBitmap::Create( | |
403 | void* pData | |
404 | , long lType | |
405 | , int nWidth | |
406 | , int nHeight | |
407 | , int nDepth | |
408 | ) | |
409 | { | |
410 | UnRef(); | |
411 | ||
412 | wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) | |
413 | ,wxBitmapHandler | |
414 | ); | |
415 | ||
416 | if (!pHandler) | |
417 | { | |
418 | wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for " | |
419 | "type %d defined."), lType); | |
420 | ||
421 | return(FALSE); | |
422 | } | |
423 | ||
424 | m_refData = new wxBitmapRefData; | |
425 | ||
426 | return(pHandler->Create( this | |
427 | ,pData | |
428 | ,lType | |
429 | ,nWidth | |
430 | ,nHeight | |
431 | ,nDepth | |
432 | )); | |
433 | } // end of wxBitmap::Create | |
434 | ||
435 | bool wxBitmap::SaveFile( | |
436 | const wxString& rFilename | |
437 | , int lType | |
438 | , const wxPalette* pPalette | |
439 | ) | |
440 | { | |
441 | wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType) | |
442 | ,wxBitmapHandler | |
443 | ); | |
444 | ||
445 | if (pHandler) | |
446 | { | |
447 | return pHandler->SaveFile( this | |
448 | ,rFilename | |
449 | ,lType | |
450 | ,pPalette | |
451 | ); | |
452 | } | |
453 | else | |
454 | { | |
455 | // FIXME what about palette? shouldn't we use it? | |
456 | wxImage vImage(*this); | |
457 | ||
458 | if (!vImage.Ok()) | |
459 | return(FALSE); | |
460 | ||
461 | return(vImage.SaveFile( rFilename | |
462 | ,lType | |
463 | )); | |
464 | } | |
465 | } // end of wxBitmap::SaveFile | |
466 | ||
467 | // ---------------------------------------------------------------------------- | |
468 | // sub bitmap extraction | |
469 | // ---------------------------------------------------------------------------- | |
470 | ||
471 | wxBitmap wxBitmap::GetSubBitmap( | |
472 | const wxRect& rRect | |
473 | ) const | |
474 | { | |
475 | wxCHECK_MSG( Ok() && | |
476 | (rRect.x >= 0) && (rRect.y >= 0) && | |
477 | (rRect.x + rRect.width <= GetWidth()) && | |
478 | (rRect.y + rRect.height <= GetHeight()), | |
479 | wxNullBitmap, wxT("Invalid bitmap or bitmap region") ); | |
480 | ||
481 | wxBitmap vRet( rRect.width | |
482 | ,rRect.height | |
483 | ,GetDepth() | |
484 | ); | |
485 | wxASSERT_MSG( vRet.Ok(), wxT("GetSubBitmap error") ); | |
486 | ||
487 | ||
488 | // | |
489 | // Copy bitmap data | |
490 | // | |
491 | SIZEL vSize = {0, 0}; | |
492 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
493 | HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
494 | HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
495 | HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); | |
496 | HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); | |
497 | POINTL vPoint[4] = { rRect.x, rRect.y, | |
498 | rRect.x + rRect.width, rRect.y + rRect.height, | |
499 | 0, 0, GetWidth(), GetHeight() | |
500 | }; | |
501 | ||
502 | ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP()); | |
503 | ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP()); | |
504 | ::GpiBitBlt( hPSDst | |
505 | ,hPSSrc | |
506 | ,4L | |
507 | ,vPoint | |
508 | ,ROP_SRCCOPY | |
509 | ,BBO_IGNORE | |
510 | ); | |
511 | ||
512 | // | |
513 | // Copy mask if there is one | |
514 | // | |
515 | if (GetMask()) | |
516 | { | |
517 | BITMAPINFOHEADER2 vBmih; | |
518 | ||
519 | memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); | |
520 | vBmih.cbFix = sizeof(BITMAPINFOHEADER2); | |
521 | vBmih.cx = rRect.width; | |
522 | vBmih.cy = rRect.height; | |
523 | vBmih.cPlanes = 1; | |
524 | vBmih.cBitCount = 1; | |
525 | ||
526 | HBITMAP hBmpMask = ::GpiCreateBitmap( hPSDst | |
527 | ,&vBmih | |
528 | ,0L | |
529 | ,NULL | |
530 | ,NULL | |
531 | ); | |
532 | ||
533 | ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP()); | |
534 | ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP()); | |
535 | ||
536 | ::GpiSetBitmap(hPSSrc, (HBITMAP) GetMask()->GetMaskBitmap()); | |
537 | ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpMask); | |
538 | ::GpiBitBlt( hPSDst | |
539 | ,hPSSrc | |
540 | ,4L | |
541 | ,vPoint | |
542 | ,ROP_SRCCOPY | |
543 | ,BBO_IGNORE | |
544 | ); | |
545 | ||
546 | wxMask* pMask = new wxMask((WXHBITMAP)hBmpMask); | |
547 | vRet.SetMask(pMask); | |
548 | } | |
549 | ||
550 | ::GpiSetBitmap(hPSSrc, NULL); | |
551 | ::GpiSetBitmap(hPSDst, NULL); | |
552 | ::GpiDestroyPS(hPSSrc); | |
553 | ::GpiDestroyPS(hPSDst); | |
554 | ::DevCloseDC(hDCSrc); | |
555 | ::DevCloseDC(hDCDst); | |
556 | return vRet; | |
557 | } // end of wxBitmap::GetSubBitmap | |
558 | ||
559 | // ---------------------------------------------------------------------------- | |
560 | // wxBitmap accessors | |
561 | // ---------------------------------------------------------------------------- | |
562 | ||
563 | void wxBitmap::SetQuality( | |
564 | int nQ | |
565 | ) | |
566 | { | |
567 | EnsureHasData(); | |
568 | ||
569 | GetBitmapData()->m_nQuality = nQ; | |
570 | } // end of wxBitmap::SetQuality | |
571 | ||
572 | #if WXWIN_COMPATIBILITY_2 | |
573 | void wxBitmap::SetOk( | |
574 | bool bOk | |
575 | ) | |
576 | { | |
577 | EnsureHasData(); | |
578 | ||
579 | GetBitmapData()->m_bOk = bOk; | |
580 | } // end of wxBitmap::SetOk | |
581 | #endif // WXWIN_COMPATIBILITY_2 | |
582 | ||
583 | void wxBitmap::SetPalette( | |
584 | const wxPalette& rPalette | |
585 | ) | |
586 | { | |
587 | EnsureHasData(); | |
588 | ||
589 | GetBitmapData()->m_vBitmapPalette = rPalette; | |
590 | } // end of wxBitmap::SetPalette | |
591 | ||
592 | void wxBitmap::SetMask( | |
593 | wxMask* pMask | |
594 | ) | |
595 | { | |
596 | EnsureHasData(); | |
597 | ||
598 | GetBitmapData()->m_pBitmapMask = pMask; | |
599 | } // end of wxBitmap::SetMask | |
600 | ||
601 | // | |
602 | // Will try something for OS/2 but not really sure how close | |
603 | // to the msw intent this is. | |
604 | // | |
605 | wxBitmap wxBitmap::GetBitmapForDC( | |
606 | wxDC& rDc | |
607 | ) const | |
608 | { | |
609 | wxMemoryDC vMemDC; | |
610 | wxBitmap vTmpBitmap( this->GetWidth() | |
611 | ,this->GetHeight() | |
612 | ,rDc.GetDepth() | |
613 | ); | |
614 | WXHBITMAP vOldBitmap; | |
615 | HPS hMemoryPS; | |
616 | HPS hPs; | |
617 | POINTL vPoint[4]; | |
618 | SIZEL vSize = {0,0}; | |
619 | ||
620 | hMemoryPS = ::GpiCreatePS(vHabmain, (HDC)vMemDC.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); | |
621 | hPs = ::GpiCreatePS(vHabmain, (HDC)rDc.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); | |
622 | ||
623 | // TODO: Set the points | |
624 | ||
625 | vOldBitmap = (WXHBITMAP)::GpiSetBitmap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP()); | |
626 | ::GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, ROP_SRCCOPY, BBO_IGNORE); | |
627 | ||
628 | return(vTmpBitmap); | |
629 | } // end of wxBitmap::GetBitmapForDC | |
630 | ||
631 | // ---------------------------------------------------------------------------- | |
632 | // wxMask | |
633 | // ---------------------------------------------------------------------------- | |
634 | ||
635 | wxMask::wxMask() | |
636 | { | |
637 | m_hMaskBitmap = 0; | |
638 | } // end of wxMask::wxMask | |
639 | ||
640 | // Construct a mask from a bitmap and a colour indicating | |
641 | // the transparent area | |
642 | wxMask::wxMask( | |
643 | const wxBitmap& rBitmap | |
644 | , const wxColour& rColour | |
645 | ) | |
646 | { | |
647 | m_hMaskBitmap = 0; | |
648 | Create( rBitmap | |
649 | ,rColour | |
650 | ); | |
651 | } // end of wxMask::wxMask | |
652 | ||
653 | // Construct a mask from a bitmap and a palette index indicating | |
654 | // the transparent area | |
655 | wxMask::wxMask( | |
656 | const wxBitmap& rBitmap | |
657 | , int nPaletteIndex | |
658 | ) | |
659 | { | |
660 | m_hMaskBitmap = 0; | |
661 | Create( rBitmap | |
662 | ,nPaletteIndex | |
663 | ); | |
664 | } // end of wxMask::wxMask | |
665 | ||
666 | // Construct a mask from a mono bitmap (copies the bitmap). | |
667 | wxMask::wxMask( | |
668 | const wxBitmap& rBitmap | |
669 | ) | |
670 | { | |
671 | m_hMaskBitmap = 0; | |
672 | Create(rBitmap); | |
673 | } // end of wxMask::wxMask | |
674 | ||
675 | wxMask::~wxMask() | |
676 | { | |
677 | if (m_hMaskBitmap) | |
678 | ::GpiDeleteBitmap((HBITMAP)m_hMaskBitmap); | |
679 | } // end of wxMask::~wxMask | |
680 | ||
681 | // Create a mask from a mono bitmap (copies the bitmap). | |
682 | bool wxMask::Create( | |
683 | const wxBitmap& rBitmap | |
684 | ) | |
685 | { | |
686 | BITMAPINFOHEADER2 vBmih; | |
687 | SIZEL vSize = {0, 0}; | |
688 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
689 | HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
690 | HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
691 | HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); | |
692 | HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); | |
693 | POINTL vPoint[4] = { 0 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), | |
694 | 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() | |
695 | }; | |
696 | ||
697 | if (m_hMaskBitmap) | |
698 | { | |
699 | ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); | |
700 | m_hMaskBitmap = 0; | |
701 | } | |
702 | if (!rBitmap.Ok() || rBitmap.GetDepth() != 1) | |
703 | { | |
704 | return(FALSE); | |
705 | } | |
706 | ||
707 | memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); | |
708 | vBmih.cbFix = sizeof(BITMAPINFOHEADER2); | |
709 | vBmih.cx = rBitmap.GetWidth(); | |
710 | vBmih.cy = rBitmap.GetHeight(); | |
711 | vBmih.cPlanes = 1; | |
712 | vBmih.cBitCount = 1; | |
713 | ||
714 | m_hMaskBitmap = ::GpiCreateBitmap( hPSDst | |
715 | ,&vBmih | |
716 | ,0L | |
717 | ,NULL | |
718 | ,NULL | |
719 | ); | |
720 | ||
721 | ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP()); | |
722 | ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap); | |
723 | ::GpiBitBlt( hPSDst | |
724 | ,hPSSrc | |
725 | ,4L | |
726 | ,vPoint | |
727 | ,ROP_SRCCOPY | |
728 | ,BBO_IGNORE | |
729 | ); | |
730 | ||
731 | ::GpiDestroyPS(hPSSrc); | |
732 | ::GpiDestroyPS(hPSDst); | |
733 | ::DevCloseDC(hDCSrc); | |
734 | ::DevCloseDC(hDCDst); | |
735 | return(TRUE); | |
736 | } // end of wxMask::Create | |
737 | ||
738 | // Create a mask from a bitmap and a palette index indicating | |
739 | // the transparent area | |
740 | bool wxMask::Create( | |
741 | const wxBitmap& rBitmap | |
742 | , int nPaletteIndex | |
743 | ) | |
744 | { | |
745 | if (m_hMaskBitmap) | |
746 | { | |
747 | ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); | |
748 | m_hMaskBitmap = 0; | |
749 | } | |
750 | if (rBitmap.Ok() && rBitmap.GetPalette()->Ok()) | |
751 | { | |
752 | unsigned char cRed; | |
753 | unsigned char cGreen; | |
754 | unsigned char cBlue; | |
755 | ||
756 | if (rBitmap.GetPalette()->GetRGB( nPaletteIndex | |
757 | ,&cRed | |
758 | ,&cGreen | |
759 | ,&cBlue | |
760 | )) | |
761 | { | |
762 | wxColour vTransparentColour( cRed | |
763 | ,cGreen | |
764 | ,cBlue | |
765 | ); | |
766 | ||
767 | return (Create( rBitmap | |
768 | ,vTransparentColour | |
769 | )); | |
770 | } | |
771 | } | |
772 | return(FALSE); | |
773 | } // end of wxMask::Create | |
774 | ||
775 | // Create a mask from a bitmap and a colour indicating | |
776 | // the transparent area | |
777 | bool wxMask::Create( | |
778 | const wxBitmap& rBitmap | |
779 | , const wxColour& rColour | |
780 | ) | |
781 | { | |
782 | bool bOk = TRUE; | |
783 | COLORREF vMaskColour = OS2RGB( rColour.Red() | |
784 | ,rColour.Green() | |
785 | ,rColour.Blue() | |
786 | ); | |
787 | BITMAPINFOHEADER2 vBmih; | |
788 | SIZEL vSize = {0, 0}; | |
789 | DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL }; | |
790 | HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
791 | HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
792 | HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); | |
793 | HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); | |
794 | POINTL vPoint[4] = { 0 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(), | |
795 | 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight() | |
796 | }; | |
797 | ||
798 | if (m_hMaskBitmap) | |
799 | { | |
800 | ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap); | |
801 | m_hMaskBitmap = 0; | |
802 | } | |
803 | if (!rBitmap.Ok()) | |
804 | { | |
805 | return(FALSE); | |
806 | } | |
807 | ||
808 | // | |
809 | // Scan the bitmap for the transparent colour and set | |
810 | // the corresponding pixels in the mask to BLACK and | |
811 | // the rest to WHITE | |
812 | // | |
813 | ||
814 | memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); | |
815 | vBmih.cbFix = sizeof(BITMAPINFOHEADER2); | |
816 | vBmih.cx = rBitmap.GetWidth(); | |
817 | vBmih.cy = rBitmap.GetHeight(); | |
818 | vBmih.cPlanes = 1; | |
819 | vBmih.cBitCount = 1; | |
820 | ||
821 | m_hMaskBitmap = ::GpiCreateBitmap( hPSDst | |
822 | ,&vBmih | |
823 | ,0L | |
824 | ,NULL | |
825 | ,NULL | |
826 | ); | |
827 | ||
828 | ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP()); | |
829 | ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap); | |
830 | ||
831 | // | |
832 | // This is not very efficient, but I can't think | |
833 | // of a better way of doing it | |
834 | // | |
835 | for (int w = 0; w < rBitmap.GetWidth(); w++) | |
836 | { | |
837 | for (int h = 0; h < rBitmap.GetHeight(); h++) | |
838 | { | |
839 | POINTL vPt = {w, h}; | |
840 | COLORREF vCol = (COLORREF)::GpiQueryPel(hPSSrc, &vPt); | |
841 | if (vCol == (COLORREF)CLR_NOINDEX) | |
842 | { | |
843 | // | |
844 | // Doesn't make sense to continue | |
845 | // | |
846 | bOk = FALSE; | |
847 | break; | |
848 | } | |
849 | ||
850 | if (vCol == vMaskColour) | |
851 | { | |
852 | ::GpiSetColor(hPSDst, OS2RGB(0, 0, 0)); | |
853 | ::GpiSetPel(hPSDst, &vPt); | |
854 | } | |
855 | else | |
856 | { | |
857 | ::GpiSetColor(hPSDst, OS2RGB(255, 255, 255)); | |
858 | ::GpiSetPel(hPSDst, &vPt); | |
859 | } | |
860 | } | |
861 | } | |
862 | ::GpiSetBitmap(hPSSrc, NULL); | |
863 | ::GpiSetBitmap(hPSDst, NULL); | |
864 | ::GpiDestroyPS(hPSSrc); | |
865 | ::GpiDestroyPS(hPSDst); | |
866 | ::DevCloseDC(hDCSrc); | |
867 | ::DevCloseDC(hDCDst); | |
868 | return(TRUE); | |
869 | } // end of wxMask::Create | |
870 | ||
871 | // ---------------------------------------------------------------------------- | |
872 | // wxBitmapHandler | |
873 | // ---------------------------------------------------------------------------- | |
874 | ||
875 | bool wxBitmapHandler::Create( | |
876 | wxGDIImage* pImage | |
877 | , void* pData | |
878 | , long lFlags | |
879 | , int nWidth | |
880 | , int nHeight | |
881 | , int nDepth | |
882 | ) | |
883 | { | |
884 | wxBitmap* pBitmap = wxDynamicCast( pImage | |
885 | ,wxBitmap | |
886 | ); | |
887 | ||
888 | return(pBitmap ? Create( pBitmap | |
889 | ,pData | |
890 | ,nWidth | |
891 | ,nHeight | |
892 | ,nDepth | |
893 | ) : FALSE); | |
894 | } | |
895 | ||
896 | bool wxBitmapHandler::Load( | |
897 | wxGDIImage* pImage | |
898 | , const wxString& rName | |
899 | , HPS hPs | |
900 | , long lFlags | |
901 | , int nWidth | |
902 | , int nHeight | |
903 | ) | |
904 | { | |
905 | wxBitmap* pBitmap = wxDynamicCast( pImage | |
906 | ,wxBitmap | |
907 | ); | |
908 | ||
909 | return(pBitmap ? LoadFile( pBitmap | |
910 | ,rName | |
911 | ,hPs | |
912 | ,lFlags | |
913 | ,nWidth | |
914 | ,nHeight | |
915 | ) : FALSE); | |
916 | } | |
917 | ||
918 | bool wxBitmapHandler::Save( | |
919 | wxGDIImage* pImage | |
920 | , const wxString& rName | |
921 | , int lType | |
922 | ) | |
923 | { | |
924 | wxBitmap* pBitmap = wxDynamicCast( pImage | |
925 | ,wxBitmap | |
926 | ); | |
927 | ||
928 | return(pBitmap ? SaveFile( pBitmap | |
929 | ,rName | |
930 | ,lType | |
931 | ) : FALSE); | |
932 | } | |
933 | ||
934 | bool wxBitmapHandler::Create( | |
935 | wxBitmap* WXUNUSED(pBitmap) | |
936 | , void* WXUNUSED(pData) | |
937 | , long WXUNUSED(lType) | |
938 | , int WXUNUSED(nWidth) | |
939 | , int WXUNUSED(nHeight) | |
940 | , int WXUNUSED(nDepth) | |
941 | ) | |
942 | { | |
943 | return(FALSE); | |
944 | } | |
945 | ||
946 | bool wxBitmapHandler::LoadFile( | |
947 | wxBitmap* WXUNUSED(pBitmap) | |
948 | , const wxString& WXUNUSED(rName) | |
949 | , HPS WXUNUSED(hPs) | |
950 | , long WXUNUSED(lType) | |
951 | , int WXUNUSED(nDesiredWidth) | |
952 | , int WXUNUSED(nDesiredHeight) | |
953 | ) | |
954 | { | |
955 | return(FALSE); | |
956 | } | |
957 | ||
958 | bool wxBitmapHandler::SaveFile( | |
959 | wxBitmap* WXUNUSED(pBitmap) | |
960 | , const wxString& WXUNUSED(rName) | |
961 | , int WXUNUSED(nType) | |
962 | , const wxPalette* WXUNUSED(pPalette) | |
963 | ) | |
964 | { | |
965 | return(FALSE); | |
966 | } | |
967 | ||
968 | // ---------------------------------------------------------------------------- | |
969 | // Utility functions | |
970 | // ---------------------------------------------------------------------------- | |
971 | HBITMAP wxInvertMask( | |
972 | HBITMAP hBmpMask | |
973 | , int nWidth | |
974 | , int nHeight | |
975 | ) | |
976 | { | |
977 | HBITMAP hBmpInvMask = 0; | |
978 | ||
979 | wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") ); | |
980 | ||
981 | // | |
982 | // Get width/height from the bitmap if not given | |
983 | // | |
984 | if (!nWidth || !nHeight) | |
985 | { | |
986 | BITMAPINFOHEADER2 vBmhdr; | |
987 | ||
988 | ::GpiQueryBitmapInfoHeader( hBmpMask | |
989 | ,&vBmhdr | |
990 | ); | |
991 | nWidth = (int)vBmhdr.cx; | |
992 | nHeight = (int)vBmhdr.cy; | |
993 | } | |
994 | ||
995 | BITMAPINFOHEADER2 vBmih; | |
996 | SIZEL vSize = {0, 0}; | |
997 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
998 | HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
999 | HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
1000 | HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC); | |
1001 | HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC); | |
1002 | POINTL vPoint[4] = { 0 ,0, nWidth, nHeight, | |
1003 | 0, 0, nWidth, nHeight | |
1004 | }; | |
1005 | ||
1006 | memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2)); | |
1007 | vBmih.cbFix = sizeof(BITMAPINFOHEADER2); | |
1008 | vBmih.cx = nWidth; | |
1009 | vBmih.cy = nHeight; | |
1010 | vBmih.cPlanes = 1; | |
1011 | vBmih.cBitCount = 1; | |
1012 | ||
1013 | hBmpInvMask = ::GpiCreateBitmap( hPSDst | |
1014 | ,&vBmih | |
1015 | ,0L | |
1016 | ,NULL | |
1017 | ,NULL | |
1018 | ); | |
1019 | ||
1020 | ::GpiSetBitmap(hPSSrc, (HBITMAP) hBmpMask); | |
1021 | ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpInvMask); | |
1022 | ||
1023 | ::GpiBitBlt( hPSDst | |
1024 | ,hPSSrc | |
1025 | ,4L | |
1026 | ,vPoint | |
1027 | ,ROP_SRCCOPY | |
1028 | ,BBO_IGNORE | |
1029 | ); | |
1030 | ||
1031 | ::GpiDestroyPS(hPSSrc); | |
1032 | ::GpiDestroyPS(hPSDst); | |
1033 | ::DevCloseDC(hDCSrc); | |
1034 | ::DevCloseDC(hDCDst); | |
1035 | ||
1036 | return hBmpInvMask; | |
1037 | } // end of WxWinGdi_InvertMask |