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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: dc.cpp | |
3 | // Purpose: wxDC class | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 10/14/99 | |
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 | #ifndef WX_PRECOMP | |
16 | #include "wx/window.h" | |
17 | #include "wx/dc.h" | |
18 | #include "wx/utils.h" | |
19 | #include "wx/dialog.h" | |
20 | #include "wx/app.h" | |
21 | #include "wx/bitmap.h" | |
22 | #include "wx/dcmemory.h" | |
23 | #include "wx/log.h" | |
24 | #include "wx/icon.h" | |
25 | #include "wx/msgdlg.h" | |
26 | #if wxUSE_STATUSBAR | |
27 | #include "wx/statusbr.h" | |
28 | #endif | |
29 | #endif | |
30 | ||
31 | #include "wx/module.h" | |
32 | #include "wx/dcprint.h" | |
33 | ||
34 | #include <string.h> | |
35 | ||
36 | #include "wx/os2/private.h" | |
37 | ||
38 | IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) | |
39 | ||
40 | // | |
41 | // wxWidgets uses the Microsoft convention that the origin is the UPPER left. | |
42 | // Native OS/2 however in the GPI and PM define the origin as the LOWER left. | |
43 | // In order to map OS/2 GPI/PM y coordinates to wxWidgets coordinates we must | |
44 | // perform the following transformation: | |
45 | // | |
46 | // Parent object height: POBJHEIGHT | |
47 | // Desried origin: WXORIGINY | |
48 | // Object to place's height: OBJHEIGHT | |
49 | // | |
50 | // To get the OS2 position from the wxWidgets one: | |
51 | // | |
52 | // OS2Y = POBJHEIGHT - (WXORIGINY + OBJHEIGHT) | |
53 | // | |
54 | // For OS/2 wxDC's we will always determine m_vRclPaint as the size of the | |
55 | // OS/2 Presentation Space associated with the device context. y is the | |
56 | // desired application's y coordinate of the origin in wxWidgets space. | |
57 | // objy is the height of the object we are going to draw. | |
58 | // | |
59 | #define OS2Y(y, objy) ((m_vRclPaint.yTop - m_vRclPaint.yBottom) - (y + objy)) | |
60 | ||
61 | // --------------------------------------------------------------------------- | |
62 | // constants | |
63 | // --------------------------------------------------------------------------- | |
64 | ||
65 | static const int VIEWPORT_EXTENT = 1000; | |
66 | ||
67 | static const int MM_POINTS = 9; | |
68 | static const int MM_METRIC = 10; | |
69 | ||
70 | // --------------------------------------------------------------------------- | |
71 | // private functions | |
72 | // --------------------------------------------------------------------------- | |
73 | ||
74 | // convert degrees to radians | |
75 | static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } | |
76 | ||
77 | int SetTextColor( | |
78 | HPS hPS | |
79 | , int nForegroundColour | |
80 | ) | |
81 | { | |
82 | CHARBUNDLE vCbnd; | |
83 | ||
84 | vCbnd.lColor = nForegroundColour; | |
85 | ::GpiSetAttrs( hPS // presentation-space handle | |
86 | ,PRIM_CHAR // Char primitive. | |
87 | ,CBB_COLOR // sets color. | |
88 | ,0 // | |
89 | ,&vCbnd // buffer for attributes. | |
90 | ); | |
91 | return 0; | |
92 | } | |
93 | ||
94 | int QueryTextBkColor( | |
95 | HPS hPS | |
96 | ) | |
97 | { | |
98 | CHARBUNDLE vCbnd; | |
99 | ||
100 | ::GpiQueryAttrs( hPS // presentation-space handle | |
101 | ,PRIM_CHAR // Char primitive. | |
102 | ,CBB_BACK_COLOR // Background color. | |
103 | ,&vCbnd // buffer for attributes. | |
104 | ); | |
105 | return vCbnd.lBackColor; | |
106 | } | |
107 | ||
108 | ||
109 | int SetTextBkColor( | |
110 | HPS hPS | |
111 | , int nBackgroundColour | |
112 | ) | |
113 | { | |
114 | CHARBUNDLE vCbnd; | |
115 | int rc; | |
116 | ||
117 | rc = QueryTextBkColor(hPS); | |
118 | ||
119 | vCbnd.lBackColor = nBackgroundColour; | |
120 | ::GpiSetAttrs(hPS, // presentation-space handle | |
121 | PRIM_CHAR, // Char primitive. | |
122 | CBB_BACK_COLOR, // sets color. | |
123 | 0, | |
124 | &vCbnd // buffer for attributes. | |
125 | ); | |
126 | return rc; | |
127 | } | |
128 | ||
129 | int SetBkMode( | |
130 | HPS hPS | |
131 | , int nBackgroundMode | |
132 | ) | |
133 | { | |
134 | if(nBackgroundMode == wxTRANSPARENT) | |
135 | ::GpiSetBackMix( hPS | |
136 | ,BM_LEAVEALONE | |
137 | ); | |
138 | else | |
139 | // the background of the primitive takes over whatever is underneath. | |
140 | ::GpiSetBackMix( hPS | |
141 | ,BM_OVERPAINT | |
142 | ); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | // =========================================================================== | |
147 | // implementation | |
148 | // =========================================================================== | |
149 | ||
150 | #if wxUSE_DC_CACHEING | |
151 | ||
152 | /* | |
153 | * This implementation is a bit ugly and uses the old-fashioned wxList class, so I will | |
154 | * improve it in due course, either using arrays, or simply storing pointers to one | |
155 | * entry for the bitmap, and two for the DCs. -- JACS | |
156 | */ | |
157 | ||
158 | // --------------------------------------------------------------------------- | |
159 | // wxDCCacheEntry | |
160 | // --------------------------------------------------------------------------- | |
161 | ||
162 | wxList wxDC::m_svBitmapCache; | |
163 | wxList wxDC::m_svDCCache; | |
164 | ||
165 | wxDCCacheEntry::wxDCCacheEntry( | |
166 | WXHBITMAP hBitmap | |
167 | , int nWidth | |
168 | , int nHeight | |
169 | , int nDepth | |
170 | ) | |
171 | { | |
172 | m_hBitmap = hBitmap; | |
173 | m_hPS = NULLHANDLE; | |
174 | m_nWidth = nWidth; | |
175 | m_nHeight = nHeight; | |
176 | m_nDepth = nDepth; | |
177 | } // end of wxDCCacheEntry::wxDCCacheEntry | |
178 | ||
179 | wxDCCacheEntry::wxDCCacheEntry( | |
180 | HPS hPS | |
181 | , int nDepth | |
182 | ) | |
183 | { | |
184 | m_hBitmap = NULLHANDLE; | |
185 | m_hPS = hPS; | |
186 | m_nWidth = 0; | |
187 | m_nHeight = 0; | |
188 | m_nDepth = nDepth; | |
189 | } // end of wxDCCacheEntry::wxDCCacheEntry | |
190 | ||
191 | wxDCCacheEntry::~wxDCCacheEntry() | |
192 | { | |
193 | if (m_hBitmap) | |
194 | ::GpiDeleteBitmap(m_hBitmap); | |
195 | if (m_hPS) | |
196 | ::GpiDestroyPS(m_hPS); | |
197 | } // end of wxDCCacheEntry::~wxDCCacheEntry | |
198 | ||
199 | wxDCCacheEntry* wxDC::FindBitmapInCache( | |
200 | HPS hPS | |
201 | , int nWidth | |
202 | , int nHeight | |
203 | ) | |
204 | { | |
205 | int nDepth = 24; // we'll fix this later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL); | |
206 | wxNode* pNode = m_svBitmapCache.First(); | |
207 | BITMAPINFOHEADER2 vBmpHdr; | |
208 | ||
209 | while(pNode) | |
210 | { | |
211 | wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data(); | |
212 | ||
213 | if (pEntry->m_nDepth == nDepth) | |
214 | { | |
215 | memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); | |
216 | ||
217 | if (pEntry->m_nWidth < nWidth || pEntry->m_nHeight < nHeight) | |
218 | { | |
219 | ::GpiDeleteBitmap((HBITMAP)pEntry->m_hBitmap); | |
220 | vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); | |
221 | vBmpHdr.cx = nWidth; | |
222 | vBmpHdr.cy = nHeight; | |
223 | vBmpHdr.cPlanes = 1; | |
224 | vBmpHdr.cBitCount = nDepth; | |
225 | ||
226 | pEntry->m_hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS | |
227 | ,&vBmpHdr | |
228 | ,0L, NULL, NULL | |
229 | ); | |
230 | if (!pEntry->m_hBitmap) | |
231 | { | |
232 | wxLogLastError(wxT("CreateCompatibleBitmap")); | |
233 | } | |
234 | pEntry->m_nWidth = nWidth; | |
235 | pEntry->m_nHeight = nHeight; | |
236 | return pEntry; | |
237 | } | |
238 | return pEntry; | |
239 | } | |
240 | pNode = pNode->Next(); | |
241 | } | |
242 | memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); | |
243 | vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); | |
244 | vBmpHdr.cx = nWidth; | |
245 | vBmpHdr.cy = nHeight; | |
246 | vBmpHdr.cPlanes = 1; | |
247 | vBmpHdr.cBitCount = nDepth; | |
248 | ||
249 | WXHBITMAP hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS | |
250 | ,&vBmpHdr | |
251 | ,0L, NULL, NULL | |
252 | ); | |
253 | if (!hBitmap) | |
254 | { | |
255 | wxLogLastError(wxT("CreateCompatibleBitmap")); | |
256 | } | |
257 | wxDCCacheEntry* pEntry = new wxDCCacheEntry( hBitmap | |
258 | ,nWidth | |
259 | ,nHeight | |
260 | ,nDepth | |
261 | ); | |
262 | AddToBitmapCache(pEntry); | |
263 | return pEntry; | |
264 | } // end of FindBitmapInCache | |
265 | ||
266 | wxDCCacheEntry* wxDC::FindDCInCache( | |
267 | wxDCCacheEntry* pNotThis | |
268 | , HPS hPS | |
269 | ) | |
270 | { | |
271 | int nDepth = 24; // we'll fix this up later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL); | |
272 | wxNode* pNode = m_svDCCache.First(); | |
273 | ||
274 | while(pNode) | |
275 | { | |
276 | wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data(); | |
277 | ||
278 | // | |
279 | // Don't return the same one as we already have | |
280 | // | |
281 | if (!pNotThis || (pNotThis != pEntry)) | |
282 | { | |
283 | if (pEntry->m_nDepth == nDepth) | |
284 | { | |
285 | return pEntry; | |
286 | } | |
287 | } | |
288 | pNode = pNode->Next(); | |
289 | } | |
290 | wxDCCacheEntry* pEntry = new wxDCCacheEntry( hPS | |
291 | ,nDepth | |
292 | ); | |
293 | AddToDCCache(pEntry); | |
294 | return pEntry; | |
295 | } // end of wxDC::FindDCInCache | |
296 | ||
297 | void wxDC::AddToBitmapCache( | |
298 | wxDCCacheEntry* pEntry | |
299 | ) | |
300 | { | |
301 | m_svBitmapCache.Append(pEntry); | |
302 | } // end of wxDC::AddToBitmapCache | |
303 | ||
304 | void wxDC::AddToDCCache( | |
305 | wxDCCacheEntry* pEntry | |
306 | ) | |
307 | { | |
308 | m_svDCCache.Append(pEntry); | |
309 | } // end of wxDC::AddToDCCache | |
310 | ||
311 | void wxDC::ClearCache() | |
312 | { | |
313 | m_svBitmapCache.DeleteContents(true); | |
314 | m_svBitmapCache.Clear(); | |
315 | m_svBitmapCache.DeleteContents(false); | |
316 | m_svDCCache.DeleteContents(true); | |
317 | m_svDCCache.Clear(); | |
318 | m_svDCCache.DeleteContents(false); | |
319 | } // end of wxDC::ClearCache | |
320 | ||
321 | // Clean up cache at app exit | |
322 | class wxDCModule : public wxModule | |
323 | { | |
324 | public: | |
325 | virtual bool OnInit() { return true; } | |
326 | virtual void OnExit() { wxDC::ClearCache(); } | |
327 | ||
328 | private: | |
329 | DECLARE_DYNAMIC_CLASS(wxDCModule) | |
330 | }; // end of CLASS wxDCModule | |
331 | ||
332 | IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule) | |
333 | ||
334 | #endif // ndef for wxUSE_DC_CACHEING | |
335 | ||
336 | // --------------------------------------------------------------------------- | |
337 | // wxDC | |
338 | // --------------------------------------------------------------------------- | |
339 | ||
340 | wxDC::wxDC(void) | |
341 | { | |
342 | m_pCanvas = NULL; | |
343 | ||
344 | m_hOldBitmap = 0; | |
345 | m_hOldPen = 0; | |
346 | m_hOldBrush = 0; | |
347 | m_hOldFont = 0; | |
348 | m_hOldPalette = 0; | |
349 | ||
350 | m_bOwnsDC = false; | |
351 | m_hDC = 0; | |
352 | m_hOldPS = NULL; | |
353 | m_hPS = NULL; | |
354 | m_bIsPaintTime = false; // True at Paint Time | |
355 | ||
356 | wxColour vColor( wxT("BLACK") ); | |
357 | m_pen.SetColour(vColor); | |
358 | ||
359 | vColor.Set( wxT("WHITE") ); | |
360 | m_brush.SetColour(vColor); | |
361 | ||
362 | } // end of wxDC::wxDC | |
363 | ||
364 | wxDC::~wxDC(void) | |
365 | { | |
366 | if ( m_hDC != 0 ) | |
367 | { | |
368 | SelectOldObjects(m_hDC); | |
369 | ||
370 | // if we own the HDC, we delete it, otherwise we just release it | |
371 | ||
372 | if (m_bOwnsDC) | |
373 | { | |
374 | if(m_hPS) | |
375 | { | |
376 | ::GpiAssociate(m_hPS, NULLHANDLE); | |
377 | ::GpiDestroyPS(m_hPS); | |
378 | } | |
379 | m_hPS = NULLHANDLE; | |
380 | ::DevCloseDC((HDC)m_hDC); | |
381 | } | |
382 | else | |
383 | { | |
384 | // | |
385 | // Just Dissacociate, not destroy if we don't own the DC | |
386 | // | |
387 | if(m_hPS) | |
388 | { | |
389 | ::GpiAssociate(m_hPS, NULLHANDLE); | |
390 | } | |
391 | } | |
392 | } | |
393 | } // end of wxDC::~wxDC | |
394 | ||
395 | // This will select current objects out of the DC, | |
396 | // which is what you have to do before deleting the | |
397 | // DC. | |
398 | void wxDC::SelectOldObjects( | |
399 | WXHDC hPS | |
400 | ) | |
401 | { | |
402 | if (hPS) | |
403 | { | |
404 | if (m_hOldBitmap) | |
405 | { | |
406 | ::GpiSetBitmap(hPS, (HBITMAP) m_hOldBitmap); | |
407 | if (m_vSelectedBitmap.Ok()) | |
408 | { | |
409 | m_vSelectedBitmap.SetSelectedInto(NULL); | |
410 | } | |
411 | } | |
412 | m_hOldBitmap = 0; | |
413 | // | |
414 | // OS/2 has no other native GDI objects to set in a PS/DC like windows | |
415 | // | |
416 | m_hOldPen = 0; | |
417 | m_hOldBrush = 0; | |
418 | m_hOldFont = 0; | |
419 | m_hOldPalette = 0; | |
420 | } | |
421 | ||
422 | m_brush = wxNullBrush; | |
423 | m_pen = wxNullPen; | |
424 | m_palette = wxNullPalette; | |
425 | m_font = wxNullFont; | |
426 | m_backgroundBrush = wxNullBrush; | |
427 | m_vSelectedBitmap = wxNullBitmap; | |
428 | } // end of wxDC::SelectOldObjects | |
429 | ||
430 | // --------------------------------------------------------------------------- | |
431 | // clipping | |
432 | // --------------------------------------------------------------------------- | |
433 | ||
434 | #define DO_SET_CLIPPING_BOX() \ | |
435 | { \ | |
436 | RECTL rect; \ | |
437 | \ | |
438 | ::GpiQueryClipBox(m_hPS, &rect); \ | |
439 | \ | |
440 | m_clipX1 = (wxCoord) XDEV2LOG(rect.xLeft); \ | |
441 | m_clipY1 = (wxCoord) YDEV2LOG(rect.yTop); \ | |
442 | m_clipX2 = (wxCoord) XDEV2LOG(rect.xRight); \ | |
443 | m_clipY2 = (wxCoord) YDEV2LOG(rect.yBottom); \ | |
444 | } | |
445 | ||
446 | void wxDC::DoSetClippingRegion( | |
447 | wxCoord vX | |
448 | , wxCoord vY | |
449 | , wxCoord vWidth | |
450 | , wxCoord vHeight | |
451 | ) | |
452 | { | |
453 | RECTL vRect; | |
454 | ||
455 | vY = OS2Y(vY,vHeight); | |
456 | m_clipping = true; | |
457 | vRect.xLeft = vX; | |
458 | vRect.yTop = vY + vHeight; | |
459 | vRect.xRight = vX + vWidth; | |
460 | vRect.yBottom = vY; | |
461 | ::GpiIntersectClipRectangle(m_hPS, &vRect); | |
462 | DO_SET_CLIPPING_BOX() | |
463 | } // end of wxDC::DoSetClippingRegion | |
464 | ||
465 | void wxDC::DoSetClippingRegionAsRegion( | |
466 | const wxRegion& rRegion | |
467 | ) | |
468 | { | |
469 | wxCHECK_RET(rRegion.GetHRGN(), wxT("invalid clipping region")); | |
470 | HRGN hRgnOld; | |
471 | ||
472 | m_clipping = true; | |
473 | ::GpiSetClipRegion( m_hPS | |
474 | ,(HRGN)rRegion.GetHRGN() | |
475 | ,&hRgnOld | |
476 | ); | |
477 | DO_SET_CLIPPING_BOX() | |
478 | } // end of wxDC::DoSetClippingRegionAsRegion | |
479 | ||
480 | void wxDC::DestroyClippingRegion(void) | |
481 | { | |
482 | if (m_clipping && m_hPS) | |
483 | { | |
484 | HRGN hRgnOld; | |
485 | RECTL vRect; | |
486 | ||
487 | // TODO: this should restore the previous clipped region | |
488 | // so that OnPaint processing works correctly, and | |
489 | // the update doesn't get destroyed after the first | |
490 | // DestroyClippingRegion | |
491 | vRect.xLeft = XLOG2DEV(0); | |
492 | vRect.yTop = YLOG2DEV(32000); | |
493 | vRect.xRight = XLOG2DEV(32000); | |
494 | vRect.yBottom = YLOG2DEV(0); | |
495 | ||
496 | HRGN hRgn = ::GpiCreateRegion(m_hPS, 1, &vRect); | |
497 | ||
498 | ::GpiSetClipRegion(m_hPS, hRgn, &hRgnOld); | |
499 | } | |
500 | ResetClipping(); | |
501 | } // end of wxDC::DestroyClippingRegion | |
502 | ||
503 | // --------------------------------------------------------------------------- | |
504 | // query capabilities | |
505 | // --------------------------------------------------------------------------- | |
506 | ||
507 | bool wxDC::CanDrawBitmap() const | |
508 | { | |
509 | return true; | |
510 | } | |
511 | ||
512 | bool wxDC::CanGetTextExtent() const | |
513 | { | |
514 | LONG lTechnology = 0L; | |
515 | ||
516 | ::DevQueryCaps(GetHDC(), CAPS_TECHNOLOGY, 1L, &lTechnology); | |
517 | return (lTechnology == CAPS_TECH_RASTER_DISPLAY) || (lTechnology == CAPS_TECH_RASTER_PRINTER); | |
518 | } // end of wxDC::CanGetTextExtent | |
519 | ||
520 | int wxDC::GetDepth() const | |
521 | { | |
522 | LONG lArray[CAPS_COLOR_BITCOUNT]; | |
523 | int nBitsPerPixel = 0; | |
524 | ||
525 | if(::DevQueryCaps( GetHDC() | |
526 | ,CAPS_FAMILY | |
527 | ,CAPS_COLOR_BITCOUNT | |
528 | ,lArray | |
529 | )) | |
530 | { | |
531 | nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT]; | |
532 | } | |
533 | return nBitsPerPixel; | |
534 | } // end of wxDC::GetDepth | |
535 | ||
536 | // --------------------------------------------------------------------------- | |
537 | // drawing | |
538 | // --------------------------------------------------------------------------- | |
539 | ||
540 | void wxDC::Clear() | |
541 | { | |
542 | // | |
543 | // If this is a canvas DC then just fill with the background color | |
544 | // Otherwise purge the whole thing | |
545 | // | |
546 | if (m_pCanvas) | |
547 | { | |
548 | RECTL vRect; | |
549 | ||
550 | ::GpiQueryClipBox(m_hPS, &vRect); | |
551 | ::WinFillRect(m_hPS, &vRect, ::GpiQueryBackColor(m_hPS)); | |
552 | } | |
553 | else | |
554 | ::GpiErase(m_hPS); | |
555 | } // end of wxDC::Clear | |
556 | ||
557 | bool wxDC::DoFloodFill( | |
558 | wxCoord vX | |
559 | , wxCoord vY | |
560 | , const wxColour& rCol | |
561 | , int nStyle | |
562 | ) | |
563 | { | |
564 | POINTL vPtlPos; | |
565 | LONG lColor; | |
566 | LONG lOptions; | |
567 | LONG lHits; | |
568 | bool bSuccess = false; | |
569 | ||
570 | vPtlPos.x = vX; // Loads x-coordinate | |
571 | vPtlPos.y = OS2Y(vY,0); // Loads y-coordinate | |
572 | ::GpiMove(m_hPS, &vPtlPos); // Sets current position | |
573 | lColor = rCol.GetPixel(); | |
574 | lOptions = FF_BOUNDARY; | |
575 | if(wxFLOOD_SURFACE == nStyle) | |
576 | lOptions = FF_SURFACE; | |
577 | ||
578 | if ((lHits = ::GpiFloodFill(m_hPS, lOptions, lColor)) != GPI_ERROR) | |
579 | bSuccess = true; | |
580 | ||
581 | return true; | |
582 | } // end of wxDC::DoFloodFill | |
583 | ||
584 | bool wxDC::DoGetPixel( | |
585 | wxCoord vX | |
586 | , wxCoord vY | |
587 | , wxColour* pCol | |
588 | ) const | |
589 | { | |
590 | POINTL vPoint; | |
591 | LONG lColor; | |
592 | ||
593 | vPoint.x = vX; | |
594 | vPoint.y = OS2Y(vY,0); | |
595 | lColor = ::GpiSetPel(m_hPS, &vPoint); | |
596 | ||
597 | // | |
598 | // Get the color of the pen | |
599 | // | |
600 | LONG lPencolor = 0x00ffffff; | |
601 | ||
602 | if (m_pen.Ok()) | |
603 | { | |
604 | lPencolor = m_pen.GetColour().GetPixel(); | |
605 | } | |
606 | ||
607 | // | |
608 | // return the color of the pixel | |
609 | // | |
610 | if(pCol) | |
611 | pCol->Set( GetRValue(lColor) | |
612 | ,GetGValue(lColor) | |
613 | ,GetBValue(lColor) | |
614 | ); | |
615 | return(lColor == lPencolor); | |
616 | } // end of wxDC::DoGetPixel | |
617 | ||
618 | void wxDC::DoCrossHair( | |
619 | wxCoord vX | |
620 | , wxCoord vY | |
621 | ) | |
622 | { | |
623 | vY = OS2Y(vY,0); | |
624 | ||
625 | wxCoord vX1 = vX - VIEWPORT_EXTENT; | |
626 | wxCoord vY1 = vY - VIEWPORT_EXTENT; | |
627 | wxCoord vX2 = vX + VIEWPORT_EXTENT; | |
628 | wxCoord vY2 = vY + VIEWPORT_EXTENT; | |
629 | POINTL vPoint[4]; | |
630 | ||
631 | vPoint[0].x = vX1; | |
632 | vPoint[0].y = vY; | |
633 | ||
634 | vPoint[1].x = vX2; | |
635 | vPoint[1].y = vY; | |
636 | ||
637 | ::GpiMove(m_hPS, &vPoint[0]); | |
638 | ::GpiLine(m_hPS, &vPoint[1]); | |
639 | ||
640 | vPoint[2].x = vX; | |
641 | vPoint[2].y = vY1; | |
642 | ||
643 | vPoint[3].x = vX; | |
644 | vPoint[3].y = vY2; | |
645 | ||
646 | ::GpiMove(m_hPS, &vPoint[2]); | |
647 | ::GpiLine(m_hPS, &vPoint[3]); | |
648 | CalcBoundingBox(vX1, vY1); | |
649 | CalcBoundingBox(vX2, vY2); | |
650 | } // end of wxDC::DoCrossHair | |
651 | ||
652 | void wxDC::DoDrawLine( | |
653 | wxCoord vX1 | |
654 | , wxCoord vY1 | |
655 | , wxCoord vX2 | |
656 | , wxCoord vY2 | |
657 | ) | |
658 | { | |
659 | POINTL vPoint[2]; | |
660 | COLORREF vColor = 0x00ffffff; | |
661 | ||
662 | // | |
663 | // Might be a memory DC with no Paint rect. | |
664 | // | |
665 | if (!(m_vRclPaint.yTop == 0 && | |
666 | m_vRclPaint.yBottom == 0 && | |
667 | m_vRclPaint.xRight == 0 && | |
668 | m_vRclPaint.xLeft == 0)) | |
669 | { | |
670 | vY1 = OS2Y(vY1,0); | |
671 | vY2 = OS2Y(vY2,0); | |
672 | } | |
673 | else | |
674 | { | |
675 | if (m_vSelectedBitmap != wxNullBitmap) | |
676 | { | |
677 | m_vRclPaint.yTop = m_vSelectedBitmap.GetHeight(); | |
678 | m_vRclPaint.xRight = m_vSelectedBitmap.GetWidth(); | |
679 | vY1 = OS2Y(vY1,0); | |
680 | vY2 = OS2Y(vY2,0); | |
681 | } | |
682 | } | |
683 | vPoint[0].x = vX1; | |
684 | vPoint[0].y = vY1; | |
685 | vPoint[1].x = vX2; | |
686 | vPoint[1].y = vY2; | |
687 | if (m_pen.Ok()) | |
688 | { | |
689 | vColor = m_pen.GetColour().GetPixel(); | |
690 | } | |
691 | ::GpiSetColor(m_hPS, vColor); | |
692 | ::GpiMove(m_hPS, &vPoint[0]); | |
693 | ::GpiLine(m_hPS, &vPoint[1]); | |
694 | CalcBoundingBox(vX1, vY1); | |
695 | CalcBoundingBox(vX2, vY2); | |
696 | } // end of wxDC::DoDrawLine | |
697 | ||
698 | ////////////////////////////////////////////////////////////////////////////// | |
699 | // Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1) | |
700 | // and ending at (x2, y2). The current pen is used for the outline and the | |
701 | // current brush for filling the shape. The arc is drawn in an anticlockwise | |
702 | // direction from the start point to the end point. | |
703 | ////////////////////////////////////////////////////////////////////////////// | |
704 | void wxDC::DoDrawArc( | |
705 | wxCoord vX1 | |
706 | , wxCoord vY1 | |
707 | , wxCoord vX2 | |
708 | , wxCoord vY2 | |
709 | , wxCoord vXc | |
710 | , wxCoord vYc | |
711 | ) | |
712 | { | |
713 | POINTL vPtlPos; | |
714 | POINTL vPtlArc[2]; // Structure for current position | |
715 | double dRadius; | |
716 | double dAngl1; | |
717 | double dAngl2; | |
718 | double dAnglmid; | |
719 | wxCoord vXm; | |
720 | wxCoord vYm; | |
721 | ARCPARAMS vArcp; // Structure for arc parameters | |
722 | ||
723 | if((vX1 == vXc && vY1 == vXc) || (vX2 == vXc && vY2 == vXc)) | |
724 | return; // Draw point ?? | |
725 | dRadius = 0.5 * ( hypot( (double)(vY1 - vYc) | |
726 | ,(double)(vX1 - vXc) | |
727 | ) + | |
728 | hypot( (double)(vY2 - vYc) | |
729 | ,(double)(vX2 - vXc) | |
730 | ) | |
731 | ); | |
732 | ||
733 | dAngl1 = atan2( (double)(vY1 - vYc) | |
734 | ,(double)(vX1 - vXc) | |
735 | ); | |
736 | dAngl2 = atan2( (double)(vY2 - vYc) | |
737 | ,(double)(vX2 - vXc) | |
738 | ); | |
739 | if(dAngl2 < dAngl1) | |
740 | dAngl2 += M_PI * 2; | |
741 | ||
742 | // | |
743 | // GpiPointArc can't draw full arc | |
744 | // | |
745 | if(dAngl2 == dAngl1 || (vX1 == vX2 && vY1 == vY2) ) | |
746 | { | |
747 | // | |
748 | // Medium point | |
749 | // | |
750 | dAnglmid = (dAngl1 + dAngl2)/2. + M_PI; | |
751 | vXm = (wxCoord)(vXc + dRadius * cos(dAnglmid)); | |
752 | vYm = (wxCoord)(vYc + dRadius * sin(dAnglmid)); | |
753 | DoDrawArc( vX1, vY1 | |
754 | ,vXm, vYm | |
755 | ,vXc, vYc | |
756 | ); | |
757 | DoDrawArc( vXm, vYm | |
758 | ,vX2, vY2 | |
759 | ,vXc, vYc | |
760 | ); | |
761 | return; | |
762 | } | |
763 | ||
764 | // | |
765 | // Medium point | |
766 | // | |
767 | dAnglmid = (dAngl1 + dAngl2)/2.; | |
768 | vXm = (wxCoord)(vXc + dRadius * cos(dAnglmid)); | |
769 | vYm = (wxCoord)(vYc + dRadius * sin(dAnglmid)); | |
770 | ||
771 | // | |
772 | // Ellipse main axis (r,q), (p,s) with center at (0,0) */ | |
773 | // | |
774 | vArcp.lR = 0; | |
775 | vArcp.lQ = 1; | |
776 | vArcp.lP = 1; | |
777 | vArcp.lS = 0; | |
778 | ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default | |
779 | ||
780 | vPtlPos.x = vX1; // Loads x-coordinate | |
781 | vPtlPos.y = vY1; // Loads y-coordinate | |
782 | ::GpiMove(m_hPS, &vPtlPos); // Sets current position | |
783 | vPtlArc[0].x = vXm; | |
784 | vPtlArc[0].y = vYm; | |
785 | vPtlArc[1].x = vX2; | |
786 | vPtlArc[1].y = vY2; | |
787 | ::GpiPointArc(m_hPS, vPtlArc); // Draws the arc | |
788 | CalcBoundingBox( (wxCoord)(vXc - dRadius) | |
789 | ,(wxCoord)(vYc - dRadius) | |
790 | ); | |
791 | CalcBoundingBox( (wxCoord)(vXc + dRadius) | |
792 | ,(wxCoord)(vYc + dRadius) | |
793 | ); | |
794 | } // end of wxDC::DoDrawArc | |
795 | ||
796 | void wxDC::DoDrawCheckMark( | |
797 | wxCoord vX1 | |
798 | , wxCoord vY1 | |
799 | , wxCoord vWidth | |
800 | , wxCoord vHeight | |
801 | ) | |
802 | { | |
803 | POINTL vPoint[2]; | |
804 | ||
805 | vY1 = OS2Y(vY1,vHeight); | |
806 | ||
807 | vPoint[0].x = vX1; | |
808 | vPoint[0].y = vY1; | |
809 | vPoint[1].x = vX1 + vWidth; | |
810 | vPoint[1].y = vY1 + vHeight; | |
811 | ||
812 | ::GpiMove(m_hPS, &vPoint[0]); | |
813 | ::GpiBox( m_hPS // handle to a presentation space | |
814 | ,DRO_OUTLINE // draw the box outline ? or ? | |
815 | ,&vPoint[1] // address of the corner | |
816 | ,0L // horizontal corner radius | |
817 | ,0L // vertical corner radius | |
818 | ); | |
819 | if(vWidth > 4 && vHeight > 4) | |
820 | { | |
821 | int nTmp; | |
822 | ||
823 | vPoint[0].x += 2; vPoint[0].y += 2; | |
824 | vPoint[1].x -= 2; vPoint[1].y -= 2; | |
825 | ::GpiMove(m_hPS, &vPoint[0]); | |
826 | ::GpiLine(m_hPS, &vPoint[1]); | |
827 | nTmp = vPoint[0].x; | |
828 | vPoint[0].x = vPoint[1].x; | |
829 | vPoint[1].x = nTmp; | |
830 | ::GpiMove(m_hPS, &vPoint[0]); | |
831 | ::GpiLine(m_hPS, &vPoint[1]); | |
832 | } | |
833 | CalcBoundingBox( vX1 | |
834 | ,vY1 | |
835 | ); | |
836 | ||
837 | wxCoord vX2 = vX1 + vWidth; | |
838 | wxCoord vY2 = vY1 + vHeight; | |
839 | ||
840 | CalcBoundingBox( vX2 | |
841 | ,vY2 | |
842 | ); | |
843 | } // end of wxDC::DoDrawCheckMark | |
844 | ||
845 | void wxDC::DoDrawPoint( | |
846 | wxCoord vX | |
847 | , wxCoord vY | |
848 | ) | |
849 | { | |
850 | POINTL vPoint; | |
851 | COLORREF vColor = 0x00ffffff; | |
852 | ||
853 | if (m_pen.Ok()) | |
854 | { | |
855 | vColor = m_pen.GetColour().GetPixel(); | |
856 | } | |
857 | ::GpiSetColor(m_hPS, vColor); | |
858 | vPoint.x = vX; | |
859 | vPoint.y = OS2Y(vY,0); | |
860 | ::GpiSetPel(m_hPS, &vPoint); | |
861 | CalcBoundingBox( vX | |
862 | ,vY | |
863 | ); | |
864 | } // end of wxDC::DoDrawPoint | |
865 | ||
866 | void wxDC::DoDrawPolygon( | |
867 | int n | |
868 | , wxPoint vPoints[] | |
869 | , wxCoord vXoffset | |
870 | , wxCoord vYoffset | |
871 | , int nFillStyle | |
872 | ) | |
873 | { | |
874 | ULONG ulCount = 1; // Number of polygons. | |
875 | POLYGON vPlgn; // polygon. | |
876 | ULONG flOptions = 0L; // Drawing options. | |
877 | ||
878 | ////////////////////////////////////////////////////////////////////////////// | |
879 | // This contains fields of option bits... to draw boundary lines as well as | |
880 | // the area interior. | |
881 | // | |
882 | // Drawing boundary lines: | |
883 | // POLYGON_NOBOUNDARY Does not draw boundary lines. | |
884 | // POLYGON_BOUNDARY Draws boundary lines (the default). | |
885 | // | |
886 | // Construction of the area interior: | |
887 | // POLYGON_ALTERNATE Constructs interior in alternate mode | |
888 | // (the default). | |
889 | // POLYGON_WINDING Constructs interior in winding mode. | |
890 | ////////////////////////////////////////////////////////////////////////////// | |
891 | ||
892 | ULONG flModel = 0L; // Drawing model. | |
893 | ||
894 | ////////////////////////////////////////////////////////////////////////////// | |
895 | // Drawing model. | |
896 | // POLYGON_INCL Fill is inclusive of bottom right (the default). | |
897 | // POLYGON_EXCL Fill is exclusive of bottom right. | |
898 | // This is provided to aid migration from other graphics models. | |
899 | ////////////////////////////////////////////////////////////////////////////// | |
900 | ||
901 | LONG lHits = 0L; // Correlation/error indicator. | |
902 | POINTL vPoint; | |
903 | int i; | |
904 | int nIsTRANSPARENT = 0; | |
905 | LONG lBorderColor = 0L; | |
906 | LONG lColor = 0L; | |
907 | ||
908 | lBorderColor = m_pen.GetColour().GetPixel(); | |
909 | lColor = m_brush.GetColour().GetPixel(); | |
910 | if(m_brush.GetStyle() == wxTRANSPARENT) | |
911 | nIsTRANSPARENT = 1; | |
912 | ||
913 | vPlgn.ulPoints = n; | |
914 | vPlgn.aPointl = (POINTL*) calloc( n + 1 | |
915 | ,sizeof(POINTL) | |
916 | ); // well, new will call malloc | |
917 | ||
918 | for(i = 0; i < n; i++) | |
919 | { | |
920 | vPlgn.aPointl[i].x = vPoints[i].x; // +xoffset; | |
921 | vPlgn.aPointl[i].y = OS2Y(vPoints[i].y,0); // +yoffset; | |
922 | } | |
923 | flModel = POLYGON_BOUNDARY; | |
924 | if(nFillStyle == wxWINDING_RULE) | |
925 | flModel |= POLYGON_WINDING; | |
926 | else | |
927 | flModel |= POLYGON_ALTERNATE; | |
928 | ||
929 | vPoint.x = vXoffset; | |
930 | vPoint.y = OS2Y(vYoffset,0); | |
931 | ||
932 | ::GpiSetColor(m_hPS, lBorderColor); | |
933 | ::GpiMove(m_hPS, &vPoint); | |
934 | lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel); | |
935 | free(vPlgn.aPointl); | |
936 | } // end of wxDC::DoDrawPolygon | |
937 | ||
938 | void wxDC::DoDrawLines( | |
939 | int n | |
940 | , wxPoint vPoints[] | |
941 | , wxCoord vXoffset | |
942 | , wxCoord vYoffset | |
943 | ) | |
944 | { | |
945 | POINTL vPoint; | |
946 | ||
947 | if (vXoffset != 0L || vXoffset != 0L) | |
948 | { | |
949 | int i; | |
950 | ||
951 | vPoint.x = vPoints[0].x + vXoffset; | |
952 | vPoint.y = OS2Y(vPoints[0].y + vYoffset,0); | |
953 | ::GpiMove(m_hPS, &vPoint); | |
954 | ||
955 | LONG lBorderColor = m_pen.GetColour().GetPixel(); | |
956 | ||
957 | ::GpiSetColor(m_hPS, lBorderColor); | |
958 | for(i = 1; i < n; i++) | |
959 | { | |
960 | vPoint.x = vPoints[i].x + vXoffset; | |
961 | vPoint.y = OS2Y(vPoints[i].y + vYoffset,0); | |
962 | ::GpiLine(m_hPS, &vPoint); | |
963 | } | |
964 | } | |
965 | else | |
966 | { | |
967 | int i; | |
968 | ||
969 | CalcBoundingBox( vPoints[0].x | |
970 | ,vPoints[0].y | |
971 | ); | |
972 | vPoint.x = vPoints[0].x; | |
973 | vPoint.y = OS2Y(vPoints[0].y,0); | |
974 | ::GpiMove(m_hPS, &vPoint); | |
975 | ||
976 | for (i = 0; i < n; i++) | |
977 | { | |
978 | CalcBoundingBox( vPoints[i].x | |
979 | ,vPoints[i].y | |
980 | ); | |
981 | vPoint.x = vPoints[i].x; | |
982 | vPoint.y = OS2Y(vPoints[i].y,0); | |
983 | ::GpiLine(m_hPS, &vPoint); | |
984 | } | |
985 | } | |
986 | } // end of wxDC::DoDrawLines | |
987 | ||
988 | void wxDC::DoDrawRectangle( | |
989 | wxCoord vX | |
990 | , wxCoord vY | |
991 | , wxCoord vWidth | |
992 | , wxCoord vHeight | |
993 | ) | |
994 | { | |
995 | POINTL vPoint[2]; | |
996 | LONG lControl; | |
997 | LONG lColor; | |
998 | LONG lBorderColor; | |
999 | int nIsTRANSPARENT = 0; | |
1000 | ||
1001 | // | |
1002 | // Might be a memory DC with no Paint rect. | |
1003 | // | |
1004 | if (!(m_vRclPaint.yTop == 0 && | |
1005 | m_vRclPaint.yBottom == 0 && | |
1006 | m_vRclPaint.xRight == 0 && | |
1007 | m_vRclPaint.xLeft == 0)) | |
1008 | vY = OS2Y(vY,vHeight); | |
1009 | else | |
1010 | { | |
1011 | if (m_vSelectedBitmap != wxNullBitmap) | |
1012 | { | |
1013 | m_vRclPaint.yTop = m_vSelectedBitmap.GetHeight(); | |
1014 | m_vRclPaint.xRight = m_vSelectedBitmap.GetWidth(); | |
1015 | vY = OS2Y(vY,vHeight); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | wxCoord vX2 = vX + vWidth; | |
1020 | wxCoord vY2 = vY + vHeight; | |
1021 | ||
1022 | vPoint[0].x = vX; | |
1023 | vPoint[0].y = vY; | |
1024 | vPoint[1].x = vX + vWidth - 1; | |
1025 | vPoint[1].y = vY + vHeight - 1; | |
1026 | ::GpiMove(m_hPS, &vPoint[0]); | |
1027 | lColor = m_brush.GetColour().GetPixel(); | |
1028 | lBorderColor = m_pen.GetColour().GetPixel(); | |
1029 | if (m_brush.GetStyle() == wxTRANSPARENT) | |
1030 | nIsTRANSPARENT = 1; | |
1031 | if(lColor == lBorderColor || nIsTRANSPARENT) | |
1032 | { | |
1033 | lControl = DRO_OUTLINEFILL; //DRO_FILL; | |
1034 | if(m_brush.GetStyle() == wxTRANSPARENT) | |
1035 | lControl = DRO_OUTLINE; | |
1036 | ||
1037 | ::GpiSetColor(m_hPS, lBorderColor); | |
1038 | ::GpiBox( m_hPS // handle to a presentation space | |
1039 | ,lControl // draw the box outline ? or ? | |
1040 | ,&vPoint[1] // address of the corner | |
1041 | ,0L // horizontal corner radius | |
1042 | ,0L // vertical corner radius | |
1043 | ); | |
1044 | } | |
1045 | else | |
1046 | { | |
1047 | lControl = DRO_OUTLINE; | |
1048 | ::GpiSetColor( m_hPS | |
1049 | ,lBorderColor | |
1050 | ); | |
1051 | ::GpiBox( m_hPS | |
1052 | ,lControl | |
1053 | ,&vPoint[1] | |
1054 | ,0L | |
1055 | ,0L | |
1056 | ); | |
1057 | lControl = DRO_FILL; | |
1058 | ::GpiSetColor( m_hPS | |
1059 | ,lColor | |
1060 | ); | |
1061 | vPoint[0].x = vX + 1; | |
1062 | vPoint[0].y = vY + 1; | |
1063 | vPoint[1].x = vX + vWidth - 2; | |
1064 | vPoint[1].y = vY + vHeight - 2; | |
1065 | ::GpiMove(m_hPS, &vPoint[0]); | |
1066 | ::GpiBox( m_hPS | |
1067 | ,lControl | |
1068 | ,&vPoint[1] | |
1069 | ,0L | |
1070 | ,0L | |
1071 | ); | |
1072 | } | |
1073 | CalcBoundingBox(vX, vY); | |
1074 | CalcBoundingBox(vX2, vY2); | |
1075 | } // end of wxDC::DoDrawRectangle | |
1076 | ||
1077 | void wxDC::DoDrawRoundedRectangle( | |
1078 | wxCoord vX | |
1079 | , wxCoord vY | |
1080 | , wxCoord vWidth | |
1081 | , wxCoord vHeight | |
1082 | , double dRadius | |
1083 | ) | |
1084 | { | |
1085 | POINTL vPoint[2]; | |
1086 | LONG lControl; | |
1087 | LONG lColor; | |
1088 | LONG lBorderColor; | |
1089 | int nIsTRANSPARENT = 0; | |
1090 | ||
1091 | // | |
1092 | // Might be a memory DC with no Paint rect. | |
1093 | // | |
1094 | if (!(m_vRclPaint.yTop == 0 && | |
1095 | m_vRclPaint.yBottom == 0 && | |
1096 | m_vRclPaint.xRight == 0 && | |
1097 | m_vRclPaint.xLeft == 0)) | |
1098 | vY = OS2Y(vY,vHeight); | |
1099 | else | |
1100 | { | |
1101 | if (m_vSelectedBitmap != wxNullBitmap) | |
1102 | { | |
1103 | m_vRclPaint.yTop = m_vSelectedBitmap.GetHeight(); | |
1104 | m_vRclPaint.xRight = m_vSelectedBitmap.GetWidth(); | |
1105 | vY = OS2Y(vY,vHeight); | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | wxCoord vX2 = (vX + vWidth); | |
1110 | wxCoord vY2 = (vY + vHeight); | |
1111 | ||
1112 | vPoint[0].x = vX; | |
1113 | vPoint[0].y = vY; | |
1114 | vPoint[1].x = vX + vWidth - 1; | |
1115 | vPoint[1].y = vY + vHeight - 1; | |
1116 | ::GpiMove(m_hPS, &vPoint[0]); | |
1117 | ||
1118 | lColor = m_brush.GetColour().GetPixel(); | |
1119 | lBorderColor = m_pen.GetColour().GetPixel(); | |
1120 | lControl = DRO_OUTLINEFILL; //DRO_FILL; | |
1121 | if (m_brush.GetStyle() == wxTRANSPARENT) | |
1122 | nIsTRANSPARENT = 1; | |
1123 | if(lColor == lBorderColor || nIsTRANSPARENT) | |
1124 | { | |
1125 | lControl = DRO_OUTLINEFILL; //DRO_FILL; | |
1126 | if(m_brush.GetStyle() == wxTRANSPARENT) | |
1127 | lControl = DRO_OUTLINE; | |
1128 | ||
1129 | ::GpiSetColor(m_hPS, lColor); | |
1130 | ::GpiBox( m_hPS // handle to a presentation space | |
1131 | ,lControl // draw the box outline ? or ? | |
1132 | ,&vPoint[1] // address of the corner | |
1133 | ,(LONG)dRadius // horizontal corner radius | |
1134 | ,(LONG)dRadius // vertical corner radius | |
1135 | ); | |
1136 | } | |
1137 | else | |
1138 | { | |
1139 | lControl = DRO_OUTLINE; | |
1140 | ::GpiSetColor( m_hPS | |
1141 | ,lBorderColor | |
1142 | ); | |
1143 | ::GpiBox( m_hPS | |
1144 | ,lControl | |
1145 | ,&vPoint[1] | |
1146 | ,(LONG)dRadius | |
1147 | ,(LONG)dRadius | |
1148 | ); | |
1149 | lControl = DRO_FILL; | |
1150 | ::GpiSetColor( m_hPS | |
1151 | ,lColor | |
1152 | ); | |
1153 | vPoint[0].x = vX + 1; | |
1154 | vPoint[0].y = vY + 1; | |
1155 | vPoint[1].x = vX + vWidth - 2; | |
1156 | vPoint[1].y = vY + vHeight - 2; | |
1157 | ::GpiMove(m_hPS, &vPoint[0]); | |
1158 | ::GpiBox( m_hPS | |
1159 | ,lControl | |
1160 | ,&vPoint[1] | |
1161 | ,(LONG)dRadius | |
1162 | ,(LONG)dRadius | |
1163 | ); | |
1164 | } | |
1165 | ||
1166 | CalcBoundingBox(vX, vY); | |
1167 | CalcBoundingBox(vX2, vY2); | |
1168 | } // end of wxDC::DoDrawRoundedRectangle | |
1169 | ||
1170 | // Draw Ellipse within box (x,y) - (x+width, y+height) | |
1171 | void wxDC::DoDrawEllipse( | |
1172 | wxCoord vX | |
1173 | , wxCoord vY | |
1174 | , wxCoord vWidth | |
1175 | , wxCoord vHeight | |
1176 | ) | |
1177 | { | |
1178 | POINTL vPtlPos; // Structure for current position | |
1179 | FIXED vFxMult; // Multiplier for ellipse | |
1180 | ARCPARAMS vArcp; // Structure for arc parameters | |
1181 | ||
1182 | vY = OS2Y(vY,vHeight); | |
1183 | ||
1184 | vArcp.lR = 0; | |
1185 | vArcp.lQ = vHeight/2; | |
1186 | vArcp.lP = vWidth/2; | |
1187 | vArcp.lS = 0; | |
1188 | ::GpiSetArcParams( m_hPS | |
1189 | ,&vArcp | |
1190 | ); // Sets parameters to default | |
1191 | vPtlPos.x = vX + vWidth/2; // Loads x-coordinate | |
1192 | vPtlPos.y = vY + vHeight/2; // Loads y-coordinate | |
1193 | ::GpiMove( m_hPS | |
1194 | ,&vPtlPos | |
1195 | ); // Sets current position | |
1196 | vFxMult = MAKEFIXED(1, 0); /* Sets multiplier */ | |
1197 | ||
1198 | // | |
1199 | // DRO_FILL, DRO_OTLINEFILL - where to get | |
1200 | // | |
1201 | ::GpiFullArc( m_hPS | |
1202 | ,DRO_OUTLINE | |
1203 | ,vFxMult | |
1204 | ); // Draws full arc with center at current position | |
1205 | ||
1206 | wxCoord vX2 = (vX + vWidth); | |
1207 | wxCoord vY2 = (vY + vHeight); | |
1208 | ||
1209 | CalcBoundingBox(vX, vY); | |
1210 | CalcBoundingBox(vX2, vY2); | |
1211 | } // end of wxDC::DoDrawEllipse | |
1212 | ||
1213 | void wxDC::DoDrawEllipticArc( | |
1214 | wxCoord vX | |
1215 | , wxCoord vY | |
1216 | , wxCoord vWidth | |
1217 | , wxCoord vHeight | |
1218 | , double dSa | |
1219 | , double dEa | |
1220 | ) | |
1221 | { | |
1222 | POINTL vPtlPos; // Structure for current position | |
1223 | FIXED vFxMult; // Multiplier for ellipse | |
1224 | ARCPARAMS vArcp; // Structure for arc parameters | |
1225 | FIXED vFSa; | |
1226 | FIXED vFSweepa; // Start angle, sweep angle | |
1227 | double dIntPart; | |
1228 | double dFractPart; | |
1229 | ||
1230 | vY = OS2Y(vY,vHeight); | |
1231 | ||
1232 | dFractPart = modf(dSa,&dIntPart); | |
1233 | vFSa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) ); | |
1234 | dFractPart = modf(dEa - dSa, &dIntPart); | |
1235 | vFSweepa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) ); | |
1236 | ||
1237 | // | |
1238 | // Ellipse main axis (r,q), (p,s) with center at (0,0) | |
1239 | // | |
1240 | vArcp.lR = 0; | |
1241 | vArcp.lQ = vHeight/2; | |
1242 | vArcp.lP = vWidth/2; | |
1243 | vArcp.lS = 0; | |
1244 | ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default | |
1245 | vPtlPos.x = (wxCoord)(vX + vWidth/2 * (1. + cos(DegToRad(dSa)))); // Loads x-coordinate | |
1246 | vPtlPos.y = (wxCoord)(vY + vHeight/2 * (1. + sin(DegToRad(dSa)))); // Loads y-coordinate | |
1247 | ::GpiMove(m_hPS, &vPtlPos); // Sets current position | |
1248 | ||
1249 | // | |
1250 | // May be not to the center ? | |
1251 | // | |
1252 | vPtlPos.x = vX + vWidth/2 ; // Loads x-coordinate | |
1253 | vPtlPos.y = vY + vHeight/2; // Loads y-coordinate | |
1254 | vFxMult = MAKEFIXED(1, 0); // Sets multiplier | |
1255 | ||
1256 | // | |
1257 | // DRO_FILL, DRO_OTLINEFILL - where to get | |
1258 | // | |
1259 | ::GpiPartialArc( m_hPS | |
1260 | ,&vPtlPos | |
1261 | ,vFxMult | |
1262 | ,vFSa | |
1263 | ,vFSweepa | |
1264 | ); | |
1265 | wxCoord vX2 = (vX + vWidth); | |
1266 | wxCoord vY2 = (vY + vHeight); | |
1267 | ||
1268 | CalcBoundingBox(vX, vY); | |
1269 | CalcBoundingBox(vX2, vY2); | |
1270 | } // end of wxDC::DoDrawEllipticArc | |
1271 | ||
1272 | void wxDC::DoDrawIcon( | |
1273 | const wxIcon& rIcon | |
1274 | , wxCoord vX | |
1275 | , wxCoord vY | |
1276 | ) | |
1277 | { | |
1278 | // | |
1279 | // Need to copy back into a bitmap. ::WinDrawPointer uses device coords | |
1280 | // and I don't feel like figuring those out for scrollable windows so | |
1281 | // just convert to a bitmap then let the DoDrawBitmap routing display it | |
1282 | // | |
1283 | if (rIcon.IsXpm()) | |
1284 | { | |
1285 | DoDrawBitmap(rIcon.GetXpmSrc(), vX, vY, true); | |
1286 | } | |
1287 | else | |
1288 | { | |
1289 | wxBitmap vBitmap(rIcon); | |
1290 | ||
1291 | DoDrawBitmap(vBitmap, vX, vY, false); | |
1292 | } | |
1293 | CalcBoundingBox(vX, vY); | |
1294 | CalcBoundingBox(vX + rIcon.GetWidth(), vY + rIcon.GetHeight()); | |
1295 | } // end of wxDC::DoDrawIcon | |
1296 | ||
1297 | void wxDC::DoDrawBitmap( | |
1298 | const wxBitmap& rBmp | |
1299 | , wxCoord vX | |
1300 | , wxCoord vY | |
1301 | , bool bUseMask | |
1302 | ) | |
1303 | { | |
1304 | if (!IsKindOf(CLASSINFO(wxPrinterDC))) | |
1305 | { | |
1306 | HBITMAP hBitmap = (HBITMAP)rBmp.GetHBITMAP(); | |
1307 | HBITMAP hBitmapOld; | |
1308 | POINTL vPoint[4]; | |
1309 | ||
1310 | vY = OS2Y(vY,rBmp.GetHeight()); | |
1311 | ||
1312 | vPoint[0].x = vX; | |
1313 | vPoint[0].y = vY + rBmp.GetHeight(); | |
1314 | vPoint[1].x = vX + rBmp.GetWidth(); | |
1315 | vPoint[1].y = vY; | |
1316 | vPoint[2].x = 0; | |
1317 | vPoint[2].y = 0; | |
1318 | vPoint[3].x = rBmp.GetWidth(); | |
1319 | vPoint[3].y = rBmp.GetHeight(); | |
1320 | if (bUseMask) | |
1321 | { | |
1322 | wxMask* pMask = rBmp.GetMask(); | |
1323 | ||
1324 | if (pMask) | |
1325 | { | |
1326 | // | |
1327 | // Need to imitate ::MaskBlt in windows. | |
1328 | // 1) Extract the bits from from the bitmap. | |
1329 | // 2) Extract the bits from the mask | |
1330 | // 3) Using the mask bits do the following: | |
1331 | // A) If the mask byte is 00 leave the bitmap byte alone | |
1332 | // B) If the mask byte is FF copy the screen color into | |
1333 | // bitmap byte | |
1334 | // 4) Create a new bitmap and set its bits to the above result | |
1335 | // 5) Blit this to the screen PS | |
1336 | // | |
1337 | HBITMAP hMask = (HBITMAP)pMask->GetMaskBitmap(); | |
1338 | HBITMAP hOldMask = NULLHANDLE; | |
1339 | HBITMAP hOldBitmap = NULLHANDLE; | |
1340 | HBITMAP hNewBitmap = NULLHANDLE; | |
1341 | unsigned char* pucBits; // buffer that will contain the bitmap data | |
1342 | unsigned char* pucBitsMask; // buffer that will contain the mask data | |
1343 | unsigned char* pucData; // pointer to use to traverse bitmap data | |
1344 | unsigned char* pucDataMask; // pointer to use to traverse mask data | |
1345 | LONG lHits; | |
1346 | ERRORID vError; | |
1347 | wxString sError; | |
1348 | ||
1349 | // | |
1350 | // The usual Memory context creation stuff | |
1351 | // | |
1352 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
1353 | SIZEL vSize = {0, 0}; | |
1354 | HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
1355 | HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); | |
1356 | ||
1357 | // | |
1358 | // The usual bitmap header stuff | |
1359 | // | |
1360 | BITMAPINFOHEADER2 vHeader; | |
1361 | BITMAPINFO2 vInfo; | |
1362 | ||
1363 | memset(&vHeader, '\0', 16); | |
1364 | vHeader.cbFix = 16; | |
1365 | ||
1366 | memset(&vInfo, '\0', 16); | |
1367 | vInfo.cbFix = 16; | |
1368 | vInfo.cx = (ULONG)rBmp.GetWidth(); | |
1369 | vInfo.cy = (ULONG)rBmp.GetHeight(); | |
1370 | vInfo.cPlanes = 1; | |
1371 | vInfo.cBitCount = 24; // Set to desired count going in | |
1372 | ||
1373 | // | |
1374 | // Create the buffers for data....all wxBitmaps are 24 bit internally | |
1375 | // | |
1376 | int nBytesPerLine = rBmp.GetWidth() * 3; | |
1377 | int nSizeDWORD = sizeof(DWORD); | |
1378 | int nLineBoundary = nBytesPerLine % nSizeDWORD; | |
1379 | int nPadding = 0; | |
1380 | int i; | |
1381 | int j; | |
1382 | LONG lScans = 0L; | |
1383 | LONG lColor = 0L; | |
1384 | ||
1385 | // | |
1386 | // Need to get a background color for mask blitting | |
1387 | // | |
1388 | if (IsKindOf(CLASSINFO(wxWindowDC))) | |
1389 | { | |
1390 | wxWindowDC* pWindowDC = wxDynamicCast(this, wxWindowDC); | |
1391 | ||
1392 | lColor = pWindowDC->m_pCanvas->GetBackgroundColour().GetPixel(); | |
1393 | } | |
1394 | else if (GetBrush().Ok()) | |
1395 | lColor = GetBrush().GetColour().GetPixel(); | |
1396 | else | |
1397 | lColor = m_textBackgroundColour.GetPixel(); | |
1398 | ||
1399 | // | |
1400 | // Bitmap must be ina double-word alligned address so we may | |
1401 | // have some padding to worry about | |
1402 | // | |
1403 | if (nLineBoundary > 0) | |
1404 | { | |
1405 | nPadding = nSizeDWORD - nLineBoundary; | |
1406 | nBytesPerLine += nPadding; | |
1407 | } | |
1408 | pucBits = (unsigned char *)malloc(nBytesPerLine * rBmp.GetHeight()); | |
1409 | pucBitsMask = (unsigned char *)malloc(nBytesPerLine * rBmp.GetHeight()); | |
1410 | memset(pucBits, '\0', (nBytesPerLine * rBmp.GetHeight())); | |
1411 | memset(pucBitsMask, '\0', (nBytesPerLine * rBmp.GetHeight())); | |
1412 | ||
1413 | // | |
1414 | // Extract the bitmap and mask data | |
1415 | // | |
1416 | if ((hOldBitmap = ::GpiSetBitmap(hPS, hBitmap)) == HBM_ERROR) | |
1417 | { | |
1418 | vError = ::WinGetLastError(vHabmain); | |
1419 | sError = wxPMErrorToStr(vError); | |
1420 | } | |
1421 | ::GpiQueryBitmapInfoHeader(hBitmap, &vHeader); | |
1422 | vInfo.cBitCount = 24; | |
1423 | if ((lScans = ::GpiQueryBitmapBits( hPS | |
1424 | ,0L | |
1425 | ,(LONG)rBmp.GetHeight() | |
1426 | ,(PBYTE)pucBits | |
1427 | ,&vInfo | |
1428 | )) == GPI_ALTERROR) | |
1429 | { | |
1430 | vError = ::WinGetLastError(vHabmain); | |
1431 | sError = wxPMErrorToStr(vError); | |
1432 | } | |
1433 | if ((hOldMask = ::GpiSetBitmap(hPS, hMask)) == HBM_ERROR) | |
1434 | { | |
1435 | vError = ::WinGetLastError(vHabmain); | |
1436 | sError = wxPMErrorToStr(vError); | |
1437 | } | |
1438 | ::GpiQueryBitmapInfoHeader(hMask, &vHeader); | |
1439 | vInfo.cBitCount = 24; | |
1440 | if ((lScans = ::GpiQueryBitmapBits( hPS | |
1441 | ,0L | |
1442 | ,(LONG)rBmp.GetHeight() | |
1443 | ,(PBYTE)pucBitsMask | |
1444 | ,&vInfo | |
1445 | )) == GPI_ALTERROR) | |
1446 | { | |
1447 | vError = ::WinGetLastError(vHabmain); | |
1448 | sError = wxPMErrorToStr(vError); | |
1449 | } | |
1450 | if (( hMask = ::GpiSetBitmap(hPS, hOldMask)) == HBM_ERROR) | |
1451 | { | |
1452 | vError = ::WinGetLastError(vHabmain); | |
1453 | sError = wxPMErrorToStr(vError); | |
1454 | } | |
1455 | ||
1456 | // | |
1457 | // Now set the bytes(bits) according to the mask values | |
1458 | // 3 bytes per pel...must handle one at a time | |
1459 | // | |
1460 | pucData = pucBits; | |
1461 | pucDataMask = pucBitsMask; | |
1462 | ||
1463 | // | |
1464 | // 16 bit kludge really only kinda works. The mask gets applied | |
1465 | // where needed but the original bitmap bits are dorked sometimes | |
1466 | // | |
1467 | bool bpp16 = (wxDisplayDepth() == 16); | |
1468 | ||
1469 | for (i = 0; i < rBmp.GetHeight(); i++) | |
1470 | { | |
1471 | for (j = 0; j < rBmp.GetWidth(); j++) | |
1472 | { | |
1473 | // Byte 1 | |
1474 | if (bpp16 && *pucDataMask == 0xF8) // 16 bit display gobblygook | |
1475 | pucData++; | |
1476 | else if (*pucDataMask == 0xFF) // leave bitmap byte alone | |
1477 | pucData++; | |
1478 | else | |
1479 | { | |
1480 | *pucData = ((unsigned char)(lColor >> 16)); | |
1481 | pucData++; | |
1482 | } | |
1483 | // Byte 2 | |
1484 | if (bpp16 && *(pucDataMask + 1) == 0xFC) // 16 bit display gobblygook | |
1485 | pucData++; | |
1486 | else if (*(pucDataMask + 1) == 0xFF) // leave bitmap byte alone | |
1487 | pucData++; | |
1488 | else | |
1489 | { | |
1490 | *pucData = ((unsigned char)(lColor >> 8)); | |
1491 | pucData++; | |
1492 | } | |
1493 | ||
1494 | // Byte 3 | |
1495 | if (bpp16 && *(pucDataMask + 2) == 0xF8) // 16 bit display gobblygook | |
1496 | pucData++; | |
1497 | else if (*(pucDataMask + 2) == 0xFF) // leave bitmap byte alone | |
1498 | pucData++; | |
1499 | else | |
1500 | { | |
1501 | *pucData = ((unsigned char)lColor); | |
1502 | pucData++; | |
1503 | } | |
1504 | pucDataMask += 3; | |
1505 | } | |
1506 | for (j = 0; j < nPadding; j++) | |
1507 | { | |
1508 | pucData++; | |
1509 | pucDataMask++; | |
1510 | } | |
1511 | } | |
1512 | // | |
1513 | // Create a new bitmap | |
1514 | // | |
1515 | vHeader.cx = (ULONG)rBmp.GetWidth(); | |
1516 | vHeader.cy = (ULONG)rBmp.GetHeight(); | |
1517 | vHeader.cPlanes = 1L; | |
1518 | vHeader.cBitCount = 24; | |
1519 | if ((hNewBitmap = ::GpiCreateBitmap( hPS | |
1520 | ,&vHeader | |
1521 | ,CBM_INIT | |
1522 | ,(PBYTE)pucBits | |
1523 | ,&vInfo | |
1524 | )) == GPI_ERROR) | |
1525 | { | |
1526 | vError = ::WinGetLastError(vHabmain); | |
1527 | sError = wxPMErrorToStr(vError); | |
1528 | } | |
1529 | ||
1530 | // | |
1531 | // Now blit it to the screen PS | |
1532 | // | |
1533 | if ((lHits = ::GpiWCBitBlt( (HPS)GetHPS() | |
1534 | ,hNewBitmap | |
1535 | ,4 | |
1536 | ,vPoint | |
1537 | ,ROP_SRCCOPY | |
1538 | ,BBO_IGNORE | |
1539 | )) == GPI_ERROR) | |
1540 | { | |
1541 | vError = ::WinGetLastError(vHabmain); | |
1542 | sError = wxPMErrorToStr(vError); | |
1543 | } | |
1544 | ||
1545 | // | |
1546 | // Clean up | |
1547 | // | |
1548 | free(pucBits); | |
1549 | free(pucBitsMask); | |
1550 | ::GpiSetBitmap(hPS, NULLHANDLE); | |
1551 | ::GpiDeleteBitmap(hNewBitmap); | |
1552 | ::GpiDestroyPS(hPS); | |
1553 | ::DevCloseDC(hDC); | |
1554 | } | |
1555 | } | |
1556 | else | |
1557 | { | |
1558 | ULONG lOldForeGround = ::GpiQueryColor((HPS)GetHPS()); | |
1559 | ULONG lOldBackGround = ::GpiQueryBackColor((HPS)GetHPS()); | |
1560 | ||
1561 | if (m_textForegroundColour.Ok()) | |
1562 | { | |
1563 | ::GpiSetColor( (HPS)GetHPS() | |
1564 | ,m_textForegroundColour.GetPixel() | |
1565 | ); | |
1566 | } | |
1567 | if (m_textBackgroundColour.Ok()) | |
1568 | { | |
1569 | ::GpiSetBackColor( (HPS)GetHPS() | |
1570 | ,m_textBackgroundColour.GetPixel() | |
1571 | ); | |
1572 | } | |
1573 | // | |
1574 | // Need to alter bits in a mono bitmap to match the new | |
1575 | // background-foreground if it is different. | |
1576 | // | |
1577 | if (rBmp.IsMono() && | |
1578 | ((m_textForegroundColour.GetPixel() != lOldForeGround) || | |
1579 | (m_textBackgroundColour.GetPixel() != lOldBackGround))) | |
1580 | { | |
1581 | DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
1582 | SIZEL vSize = {0, 0}; | |
1583 | HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE); | |
1584 | HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC); | |
1585 | ||
1586 | int nBytesPerLine = rBmp.GetWidth() * 3; | |
1587 | int i, j; | |
1588 | LONG lForeGround = m_textForegroundColour.GetPixel(); | |
1589 | LONG lBackGround = m_textBackgroundColour.GetPixel(); | |
1590 | LONG lScans; | |
1591 | HBITMAP hOldBitmap = NULLHANDLE; | |
1592 | BITMAPINFO2 vInfo; | |
1593 | ERRORID vError; | |
1594 | wxString sError; | |
1595 | ||
1596 | ||
1597 | memset(&vInfo, '\0', 16); | |
1598 | vInfo.cbFix = 16; | |
1599 | vInfo.cx = (ULONG)rBmp.GetWidth(); | |
1600 | vInfo.cy = (ULONG)rBmp.GetHeight(); | |
1601 | vInfo.cPlanes = 1; | |
1602 | vInfo.cBitCount = 24; | |
1603 | ||
1604 | unsigned char* pucBits; // buffer that will contain the bitmap data | |
1605 | unsigned char* pucData; // pointer to use to traverse bitmap data | |
1606 | ||
1607 | pucBits = new unsigned char[nBytesPerLine * rBmp.GetHeight()]; | |
1608 | memset(pucBits, '\0', (nBytesPerLine * rBmp.GetHeight())); | |
1609 | ||
1610 | if ((hOldBitmap = ::GpiSetBitmap(hPS, hBitmap)) == HBM_ERROR) | |
1611 | { | |
1612 | vError = ::WinGetLastError(vHabmain); | |
1613 | sError = wxPMErrorToStr(vError); | |
1614 | return; | |
1615 | } | |
1616 | if ((lScans = ::GpiQueryBitmapBits( hPS | |
1617 | ,0L | |
1618 | ,(LONG)rBmp.GetHeight() | |
1619 | ,(PBYTE)pucBits | |
1620 | ,&vInfo | |
1621 | )) == GPI_ALTERROR) | |
1622 | { | |
1623 | vError = ::WinGetLastError(vHabmain); | |
1624 | sError = wxPMErrorToStr(vError); | |
1625 | return; | |
1626 | } | |
1627 | unsigned char cOldRedFore = (unsigned char)(lOldForeGround >> 16); | |
1628 | unsigned char cOldGreenFore = (unsigned char)(lOldForeGround >> 8); | |
1629 | unsigned char cOldBlueFore = (unsigned char)lOldForeGround; | |
1630 | ||
1631 | unsigned char cRedFore = (unsigned char)(lForeGround >> 16); | |
1632 | unsigned char cGreenFore = (unsigned char)(lForeGround >> 8); | |
1633 | unsigned char cBlueFore = (unsigned char)lForeGround; | |
1634 | ||
1635 | unsigned char cRedBack = (unsigned char)(lBackGround >> 16); | |
1636 | unsigned char cGreenBack = (unsigned char)(lBackGround >> 8); | |
1637 | unsigned char cBlueBack = (unsigned char)lBackGround; | |
1638 | ||
1639 | pucData = pucBits; | |
1640 | for (i = 0; i < rBmp.GetHeight(); i++) | |
1641 | { | |
1642 | for (j = 0; j < rBmp.GetWidth(); j++) | |
1643 | { | |
1644 | unsigned char cBmpRed = *pucData; | |
1645 | unsigned char cBmpGreen = *(pucData + 1); | |
1646 | unsigned char cBmpBlue = *(pucData + 2); | |
1647 | ||
1648 | if ((cBmpRed == cOldRedFore) && | |
1649 | (cBmpGreen == cOldGreenFore) && | |
1650 | (cBmpBlue == cOldBlueFore)) | |
1651 | { | |
1652 | *pucData = cBlueFore; | |
1653 | pucData++; | |
1654 | *pucData = cGreenFore; | |
1655 | pucData++; | |
1656 | *pucData = cRedFore; | |
1657 | pucData++; | |
1658 | } | |
1659 | else | |
1660 | { | |
1661 | *pucData = cBlueBack; | |
1662 | pucData++; | |
1663 | *pucData = cGreenBack; | |
1664 | pucData++; | |
1665 | *pucData = cRedBack; | |
1666 | pucData++; | |
1667 | } | |
1668 | } | |
1669 | } | |
1670 | if ((lScans = ::GpiSetBitmapBits( hPS | |
1671 | ,0L | |
1672 | ,(LONG)rBmp.GetHeight() | |
1673 | ,(PBYTE)pucBits | |
1674 | ,&vInfo | |
1675 | )) == GPI_ALTERROR) | |
1676 | { | |
1677 | vError = ::WinGetLastError(vHabmain); | |
1678 | sError = wxPMErrorToStr(vError); | |
1679 | return; | |
1680 | } | |
1681 | delete [] pucBits; | |
1682 | ::GpiSetBitmap(hPS, NULLHANDLE); | |
1683 | ::GpiDestroyPS(hPS); | |
1684 | ::DevCloseDC(hDC); | |
1685 | } | |
1686 | ::GpiWCBitBlt( (HPS)GetHPS() | |
1687 | ,hBitmap | |
1688 | ,4 | |
1689 | ,vPoint | |
1690 | ,ROP_SRCCOPY | |
1691 | ,BBO_IGNORE | |
1692 | ); | |
1693 | ::GpiSetBitmap((HPS)GetHPS(), hBitmapOld); | |
1694 | ::GpiSetColor((HPS)GetHPS(), lOldForeGround); | |
1695 | ::GpiSetBackColor((HPS)GetHPS(), lOldBackGround); | |
1696 | } | |
1697 | } | |
1698 | } // end of wxDC::DoDrawBitmap | |
1699 | ||
1700 | void wxDC::DoDrawText( | |
1701 | const wxString& rsText | |
1702 | , wxCoord vX | |
1703 | , wxCoord vY | |
1704 | ) | |
1705 | { | |
1706 | wxCoord vWidth; | |
1707 | wxCoord vHeight; | |
1708 | ||
1709 | DrawAnyText( rsText | |
1710 | ,vX | |
1711 | ,vY | |
1712 | ); | |
1713 | ||
1714 | CalcBoundingBox(vX, vY); | |
1715 | GetTextExtent(rsText, &vWidth, &vHeight); | |
1716 | CalcBoundingBox((vX + vWidth), (vY + vHeight)); | |
1717 | } // end of wxDC::DoDrawText | |
1718 | ||
1719 | void wxDC::DrawAnyText( | |
1720 | const wxString& rsText | |
1721 | , wxCoord vX | |
1722 | , wxCoord vY | |
1723 | ) | |
1724 | { | |
1725 | int nOldBackground = 0; | |
1726 | POINTL vPtlStart; | |
1727 | LONG lHits; | |
1728 | wxCoord vTextX = 0; | |
1729 | wxCoord vTextY = 0; | |
1730 | ||
1731 | // | |
1732 | // prepare for drawing the text | |
1733 | // | |
1734 | ||
1735 | // | |
1736 | // Set text color attributes | |
1737 | // | |
1738 | if (m_textForegroundColour.Ok()) | |
1739 | { | |
1740 | SetTextColor( m_hPS | |
1741 | ,(int)m_textForegroundColour.GetPixel() | |
1742 | ); | |
1743 | } | |
1744 | ||
1745 | if (m_textBackgroundColour.Ok()) | |
1746 | { | |
1747 | nOldBackground = SetTextBkColor( m_hPS | |
1748 | ,(int)m_textBackgroundColour.GetPixel() | |
1749 | ); | |
1750 | } | |
1751 | SetBkMode( m_hPS | |
1752 | ,m_backgroundMode | |
1753 | ); | |
1754 | GetTextExtent( rsText | |
1755 | ,&vTextX | |
1756 | ,&vTextY | |
1757 | ); | |
1758 | vPtlStart.x = vX; | |
1759 | if (!(m_vRclPaint.yTop == 0 && | |
1760 | m_vRclPaint.yBottom == 0 && | |
1761 | m_vRclPaint.xRight == 0 && | |
1762 | m_vRclPaint.xLeft == 0)) | |
1763 | { | |
1764 | // | |
1765 | // Position Text a little differently in the Statusbar from other panels | |
1766 | // | |
1767 | if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar))) | |
1768 | vPtlStart.y = OS2Y(vY,vTextY); | |
1769 | else | |
1770 | vPtlStart.y = (wxCoord)(OS2Y(vY,vTextY/1.5)); // Full extent is a bit much | |
1771 | } | |
1772 | else | |
1773 | { | |
1774 | if (m_vSelectedBitmap != wxNullBitmap) | |
1775 | { | |
1776 | m_vRclPaint.yTop = m_vSelectedBitmap.GetHeight(); | |
1777 | m_vRclPaint.xRight = m_vSelectedBitmap.GetWidth(); | |
1778 | if (m_pCanvas && m_pCanvas->IsKindOf(CLASSINFO(wxStatusBar))) | |
1779 | vPtlStart.y = OS2Y(vY,vTextY); | |
1780 | else | |
1781 | vPtlStart.y = (LONG)(OS2Y(vY,vTextY/1.5)); | |
1782 | } | |
1783 | else | |
1784 | vPtlStart.y = vY; | |
1785 | } | |
1786 | ||
1787 | PCH pzStr = (PCH)rsText.c_str(); | |
1788 | ||
1789 | ::GpiMove(m_hPS, &vPtlStart); | |
1790 | lHits = ::GpiCharString( m_hPS | |
1791 | ,rsText.length() | |
1792 | ,pzStr | |
1793 | ); | |
1794 | if (lHits != GPI_OK) | |
1795 | { | |
1796 | wxLogLastError(wxT("TextOut")); | |
1797 | } | |
1798 | ||
1799 | // | |
1800 | // Restore the old parameters (text foreground colour may be left because | |
1801 | // it never is set to anything else, but background should remain | |
1802 | // transparent even if we just drew an opaque string) | |
1803 | // | |
1804 | if (m_textBackgroundColour.Ok()) | |
1805 | SetTextBkColor( m_hPS | |
1806 | ,nOldBackground | |
1807 | ); | |
1808 | SetBkMode( m_hPS | |
1809 | ,wxTRANSPARENT | |
1810 | ); | |
1811 | } | |
1812 | ||
1813 | void wxDC::DoDrawRotatedText( | |
1814 | const wxString& rsText | |
1815 | , wxCoord vX | |
1816 | , wxCoord vY | |
1817 | , double dAngle | |
1818 | ) | |
1819 | { | |
1820 | if (dAngle == 0.0) | |
1821 | { | |
1822 | DoDrawText( rsText | |
1823 | ,vX | |
1824 | ,vY | |
1825 | ); | |
1826 | } | |
1827 | ||
1828 | // TODO: | |
1829 | /* | |
1830 | if ( angle == 0.0 ) | |
1831 | { | |
1832 | DoDrawText(text, x, y); | |
1833 | } | |
1834 | else | |
1835 | { | |
1836 | LOGFONT lf; | |
1837 | wxFillLogFont(&lf, &m_font); | |
1838 | ||
1839 | // GDI wants the angle in tenth of degree | |
1840 | long angle10 = (long)(angle * 10); | |
1841 | lf.lfEscapement = angle10; | |
1842 | lf. lfOrientation = angle10; | |
1843 | ||
1844 | HFONT hfont = ::CreateFontIndirect(&lf); | |
1845 | if ( !hfont ) | |
1846 | { | |
1847 | wxLogLastError("CreateFont"); | |
1848 | } | |
1849 | else | |
1850 | { | |
1851 | HFONT hfontOld = ::SelectObject(GetHdc(), hfont); | |
1852 | ||
1853 | DrawAnyText(text, x, y); | |
1854 | ||
1855 | (void)::SelectObject(GetHdc(), hfontOld); | |
1856 | } | |
1857 | ||
1858 | // call the bounding box by adding all four vertices of the rectangle | |
1859 | // containing the text to it (simpler and probably not slower than | |
1860 | // determining which of them is really topmost/leftmost/...) | |
1861 | wxCoord w, h; | |
1862 | GetTextExtent(text, &w, &h); | |
1863 | ||
1864 | double rad = DegToRad(angle); | |
1865 | ||
1866 | // "upper left" and "upper right" | |
1867 | CalcBoundingBox(x, y); | |
1868 | CalcBoundingBox(x + w*cos(rad), y - h*sin(rad)); | |
1869 | CalcBoundingBox(x + h*sin(rad), y + h*cos(rad)); | |
1870 | ||
1871 | // "bottom left" and "bottom right" | |
1872 | x += (wxCoord)(h*sin(rad)); | |
1873 | y += (wxCoord)(h*cos(rad)); | |
1874 | CalcBoundingBox(x, y); | |
1875 | CalcBoundingBox(x + h*sin(rad), y + h*cos(rad)); | |
1876 | } | |
1877 | */ | |
1878 | } | |
1879 | ||
1880 | // --------------------------------------------------------------------------- | |
1881 | // set GDI objects | |
1882 | // --------------------------------------------------------------------------- | |
1883 | ||
1884 | void wxDC::DoSelectPalette( | |
1885 | bool bRealize | |
1886 | ) | |
1887 | { | |
1888 | // | |
1889 | // Set the old object temporarily, in case the assignment deletes an object | |
1890 | // that's not yet selected out. | |
1891 | // | |
1892 | if (m_hOldPalette) | |
1893 | { | |
1894 | m_hOldPalette = 0; | |
1895 | } | |
1896 | ||
1897 | if (m_palette.Ok()) | |
1898 | { | |
1899 | HPALETTE hOldPal; | |
1900 | ||
1901 | hOldPal = ::GpiSelectPalette((HDC) m_hPS, (HPALETTE) m_palette.GetHPALETTE()); | |
1902 | if (!m_hOldPalette) | |
1903 | m_hOldPalette = (WXHPALETTE)hOldPal; | |
1904 | } | |
1905 | } // end of wxDC::DoSelectPalette | |
1906 | ||
1907 | void wxDC::InitializePalette() | |
1908 | { | |
1909 | if (wxDisplayDepth() <= 8 ) | |
1910 | { | |
1911 | // | |
1912 | // Look for any window or parent that has a custom palette. If any has | |
1913 | // one then we need to use it in drawing operations | |
1914 | // | |
1915 | wxWindow* pWin = m_pCanvas->GetAncestorWithCustomPalette(); | |
1916 | ||
1917 | m_hasCustomPalette = pWin && pWin->HasCustomPalette(); | |
1918 | if (m_hasCustomPalette) | |
1919 | { | |
1920 | m_palette = pWin->GetPalette(); | |
1921 | ||
1922 | // | |
1923 | // turn on PM translation for this palette | |
1924 | // | |
1925 | DoSelectPalette(); | |
1926 | } | |
1927 | } | |
1928 | } // end of wxDC::InitializePalette | |
1929 | ||
1930 | void wxDC::SetPalette( | |
1931 | const wxPalette& rPalette | |
1932 | ) | |
1933 | { | |
1934 | if (m_hOldFont) | |
1935 | { | |
1936 | m_hOldFont = 0; | |
1937 | } | |
1938 | m_palette = rPalette; | |
1939 | if (!rPalette.Ok()) | |
1940 | { | |
1941 | if (m_hOldFont) | |
1942 | { | |
1943 | m_hOldFont = 0; | |
1944 | } | |
1945 | } | |
1946 | HPALETTE hOldPal = ::GpiSelectPalette((HDC) m_hPS, (HPALETTE) m_palette.GetHPALETTE()); | |
1947 | if (!m_hOldPalette) | |
1948 | m_hOldPalette = (WXHPALETTE)hOldPal; | |
1949 | } // end of wxDC::SetPalette | |
1950 | ||
1951 | void wxDC::SetFont( | |
1952 | const wxFont& rFont | |
1953 | ) | |
1954 | { | |
1955 | // | |
1956 | // Set the old object temporarily, in case the assignment deletes an object | |
1957 | // that's not yet selected out. | |
1958 | // | |
1959 | if (m_hOldFont) | |
1960 | { | |
1961 | m_hOldFont = 0; | |
1962 | } | |
1963 | m_font = rFont; | |
1964 | if (!rFont.Ok()) | |
1965 | { | |
1966 | m_hOldFont = 0; | |
1967 | } | |
1968 | ||
1969 | m_font.SetPS(m_hPS); // this will realize the font | |
1970 | ||
1971 | if (m_font.Ok()) | |
1972 | { | |
1973 | HFONT hFont = m_font.GetResourceHandle(); | |
1974 | if (hFont == (HFONT) NULL) | |
1975 | { | |
1976 | wxLogDebug(wxT("::SelectObject failed in wxDC::SetFont.")); | |
1977 | } | |
1978 | if (!m_hOldFont) | |
1979 | m_hOldFont = (WXHFONT) hFont; | |
1980 | } | |
1981 | } // end of wxDC::SetFont | |
1982 | ||
1983 | void wxDC::SetPen( | |
1984 | const wxPen& rPen | |
1985 | ) | |
1986 | { | |
1987 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); | |
1988 | ||
1989 | if (m_pen == rPen) | |
1990 | return; | |
1991 | m_pen = rPen; | |
1992 | if (!m_pen.Ok()) | |
1993 | return; | |
1994 | ||
1995 | if (m_hOldPen) | |
1996 | m_hOldPen = 0L; | |
1997 | m_pen = rPen; | |
1998 | ||
1999 | if (!m_pen.Ok()) | |
2000 | { | |
2001 | if (m_hOldPen) | |
2002 | { | |
2003 | m_pen.SetPS((HPS)m_hOldPen); | |
2004 | } | |
2005 | m_hOldPen = 0L; | |
2006 | } | |
2007 | ||
2008 | if (m_pen.Ok()) | |
2009 | { | |
2010 | if (m_pen.GetResourceHandle()) | |
2011 | { | |
2012 | m_pen.SetPS(m_hPS); | |
2013 | if (!m_hOldPen) | |
2014 | m_hOldPen = m_pen.GetPS(); | |
2015 | } | |
2016 | ::GpiSetColor(m_hPS, m_pen.GetColour().GetPixel()); | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | void wxDC::SetBrush( | |
2021 | const wxBrush& rBrush | |
2022 | ) | |
2023 | { | |
2024 | wxCHECK_RET( Ok(), wxT("invalid window dc") ); | |
2025 | ||
2026 | if (m_hOldBrush) | |
2027 | m_hOldBrush = 0L; | |
2028 | m_brush = rBrush; | |
2029 | if (!m_brush.Ok()) | |
2030 | if (m_brush == rBrush) | |
2031 | return; | |
2032 | if (!m_brush.Ok()) | |
2033 | if (m_hOldBrush) | |
2034 | m_hOldBrush = 0L; | |
2035 | ||
2036 | if (!m_brush.Ok()) | |
2037 | { | |
2038 | if (m_hOldBrush) | |
2039 | { | |
2040 | m_brush.SetPS((HPS)m_hOldBrush); | |
2041 | } | |
2042 | m_hOldBrush = 0L; | |
2043 | } | |
2044 | ||
2045 | if (m_brush.Ok()) | |
2046 | { | |
2047 | if (m_brush.GetResourceHandle()) | |
2048 | { | |
2049 | m_brush.SetPS(m_hPS); | |
2050 | if (!m_hOldBrush) | |
2051 | m_hOldBrush = (WXHWND)m_brush.GetPS(); | |
2052 | } | |
2053 | } | |
2054 | } // end of wxDC::SetBrush | |
2055 | ||
2056 | void wxDC::SetBackground( | |
2057 | const wxBrush& rBrush | |
2058 | ) | |
2059 | { | |
2060 | m_backgroundBrush = rBrush; | |
2061 | if (!m_backgroundBrush.Ok()) | |
2062 | return; | |
2063 | if (m_pCanvas) | |
2064 | { | |
2065 | bool bCustomColours = true; | |
2066 | ||
2067 | // | |
2068 | // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to | |
2069 | // change background colours from the control-panel specified colours. | |
2070 | // | |
2071 | if (m_pCanvas->IsKindOf(CLASSINFO(wxWindow)) && | |
2072 | ((m_pCanvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS)) | |
2073 | bCustomColours = false; | |
2074 | if (bCustomColours) | |
2075 | { | |
2076 | if (m_backgroundBrush.GetStyle()==wxTRANSPARENT) | |
2077 | { | |
2078 | m_pCanvas->SetTransparent(true); | |
2079 | } | |
2080 | else | |
2081 | { | |
2082 | // | |
2083 | // Setting the background brush of a DC | |
2084 | // doesn't affect the window background colour. However, | |
2085 | // I'm leaving in the transparency setting because it's needed by | |
2086 | // various controls (e.g. wxStaticText) to determine whether to draw | |
2087 | // transparently or not. TODO: maybe this should be a new function | |
2088 | // wxWindow::SetTransparency(). Should that apply to the child itself, or the | |
2089 | // parent? | |
2090 | // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour()); | |
2091 | // | |
2092 | m_pCanvas->SetTransparent(false); | |
2093 | } | |
2094 | } | |
2095 | } | |
2096 | COLORREF vNewColor = m_backgroundBrush.GetColour().GetPixel(); | |
2097 | (void)::GpiSetBackColor((HPS)m_hPS, (LONG)vNewColor); | |
2098 | } // end of wxDC::SetBackground | |
2099 | ||
2100 | void wxDC::SetBackgroundMode( | |
2101 | int nMode | |
2102 | ) | |
2103 | { | |
2104 | m_backgroundMode = nMode; | |
2105 | } // end of wxDC::SetBackgroundMode | |
2106 | ||
2107 | void wxDC::SetLogicalFunction( | |
2108 | int nFunction | |
2109 | ) | |
2110 | { | |
2111 | m_logicalFunction = nFunction; | |
2112 | SetRop((WXHDC)m_hDC); | |
2113 | } // wxDC::SetLogicalFunction | |
2114 | ||
2115 | void wxDC::SetRop( | |
2116 | WXHDC hDC | |
2117 | ) | |
2118 | { | |
2119 | if (!hDC || m_logicalFunction < 0) | |
2120 | return; | |
2121 | ||
2122 | LONG lCRop; | |
2123 | switch (m_logicalFunction) | |
2124 | { | |
2125 | case wxXOR: | |
2126 | lCRop = FM_XOR; | |
2127 | break; | |
2128 | ||
2129 | case wxINVERT: | |
2130 | lCRop = FM_INVERT; | |
2131 | break; | |
2132 | ||
2133 | case wxOR_REVERSE: | |
2134 | lCRop = FM_MERGESRCNOT; | |
2135 | break; | |
2136 | ||
2137 | case wxAND_REVERSE: | |
2138 | lCRop = FM_NOTMASKSRC; | |
2139 | break; | |
2140 | ||
2141 | case wxCLEAR: | |
2142 | lCRop = FM_ONE; | |
2143 | break; | |
2144 | ||
2145 | case wxSET: | |
2146 | lCRop = FM_ZERO; | |
2147 | break; | |
2148 | ||
2149 | case wxSRC_INVERT: | |
2150 | lCRop = FM_MERGENOTSRC; | |
2151 | break; | |
2152 | ||
2153 | case wxOR_INVERT: | |
2154 | lCRop = FM_MERGESRCNOT; | |
2155 | break; | |
2156 | ||
2157 | case wxAND: | |
2158 | lCRop = FM_AND; | |
2159 | break; | |
2160 | ||
2161 | case wxOR: | |
2162 | lCRop = FM_OR; | |
2163 | break; | |
2164 | ||
2165 | case wxAND_INVERT: | |
2166 | lCRop = FM_SUBTRACT; | |
2167 | break; | |
2168 | ||
2169 | case wxEQUIV: | |
2170 | case wxNAND: | |
2171 | case wxCOPY: | |
2172 | default: | |
2173 | lCRop = FM_OVERPAINT; | |
2174 | break; | |
2175 | } | |
2176 | ::GpiSetMix((HPS)hDC, lCRop); | |
2177 | } // end of wxDC::SetRop | |
2178 | ||
2179 | bool wxDC::StartDoc( | |
2180 | const wxString& rsMessage | |
2181 | ) | |
2182 | { | |
2183 | // We might be previewing, so return true to let it continue. | |
2184 | return true; | |
2185 | } // end of wxDC::StartDoc | |
2186 | ||
2187 | void wxDC::EndDoc() | |
2188 | { | |
2189 | } // end of wxDC::EndDoc | |
2190 | ||
2191 | void wxDC::StartPage() | |
2192 | { | |
2193 | } // end of wxDC::StartPage | |
2194 | ||
2195 | void wxDC::EndPage() | |
2196 | { | |
2197 | } // end of wxDC::EndPage | |
2198 | ||
2199 | // --------------------------------------------------------------------------- | |
2200 | // text metrics | |
2201 | // --------------------------------------------------------------------------- | |
2202 | ||
2203 | wxCoord wxDC::GetCharHeight() const | |
2204 | { | |
2205 | FONTMETRICS vFM; // metrics structure | |
2206 | ||
2207 | ::GpiQueryFontMetrics( m_hPS | |
2208 | ,sizeof(FONTMETRICS) | |
2209 | ,&vFM | |
2210 | ); | |
2211 | return YDEV2LOGREL(vFM.lXHeight); | |
2212 | } | |
2213 | ||
2214 | wxCoord wxDC::GetCharWidth() const | |
2215 | { | |
2216 | FONTMETRICS vFM; // metrics structure | |
2217 | ||
2218 | ::GpiQueryFontMetrics( m_hPS | |
2219 | ,sizeof(FONTMETRICS) | |
2220 | ,&vFM | |
2221 | ); | |
2222 | return XDEV2LOGREL(vFM.lAveCharWidth); | |
2223 | } | |
2224 | ||
2225 | void wxDC::DoGetTextExtent( | |
2226 | const wxString& rsString | |
2227 | , wxCoord* pvX | |
2228 | , wxCoord* pvY | |
2229 | , wxCoord* pvDescent | |
2230 | , wxCoord* pvExternalLeading | |
2231 | , wxFont* pTheFont | |
2232 | ) const | |
2233 | { | |
2234 | POINTL avPoint[TXTBOX_COUNT]; | |
2235 | POINTL vPtMin; | |
2236 | POINTL vPtMax; | |
2237 | int i; | |
2238 | int l; | |
2239 | FONTMETRICS vFM; // metrics structure | |
2240 | BOOL bRc; | |
2241 | char* pStr; | |
2242 | ERRORID vErrorCode; // last error id code | |
2243 | wxFont* pFontToUse = (wxFont*)pTheFont; | |
2244 | ||
2245 | char zMsg[128]; // DEBUG | |
2246 | wxString sError; | |
2247 | ||
2248 | if (!pFontToUse) | |
2249 | pFontToUse = (wxFont*)&m_font; | |
2250 | l = rsString.length(); | |
2251 | pStr = (PCH) rsString.c_str(); | |
2252 | ||
2253 | // | |
2254 | // In world coordinates. | |
2255 | // | |
2256 | bRc = ::GpiQueryTextBox( m_hPS | |
2257 | ,l | |
2258 | ,pStr | |
2259 | ,TXTBOX_COUNT // return maximum information | |
2260 | ,avPoint // array of coordinates points | |
2261 | ); | |
2262 | if(!bRc) | |
2263 | { | |
2264 | vErrorCode = ::WinGetLastError(wxGetInstance()); | |
2265 | sError = wxPMErrorToStr(vErrorCode); | |
2266 | // DEBUG | |
2267 | sprintf(zMsg, "GpiQueryTextBox for %s: failed with Error: %lx - %s", pStr, vErrorCode, sError.c_str()); | |
2268 | (void)wxMessageBox( "wxWidgets Menu sample" | |
2269 | ,zMsg | |
2270 | ,wxICON_INFORMATION | |
2271 | ); | |
2272 | } | |
2273 | ||
2274 | vPtMin.x = avPoint[0].x; | |
2275 | vPtMax.x = avPoint[0].x; | |
2276 | vPtMin.y = avPoint[0].y; | |
2277 | vPtMax.y = avPoint[0].y; | |
2278 | for (i = 1; i < 4; i++) | |
2279 | { | |
2280 | if(vPtMin.x > avPoint[i].x) vPtMin.x = avPoint[i].x; | |
2281 | if(vPtMin.y > avPoint[i].y) vPtMin.y = avPoint[i].y; | |
2282 | if(vPtMax.x < avPoint[i].x) vPtMax.x = avPoint[i].x; | |
2283 | if(vPtMax.y < avPoint[i].y) vPtMax.y = avPoint[i].y; | |
2284 | } | |
2285 | ::GpiQueryFontMetrics( m_hPS | |
2286 | ,sizeof(FONTMETRICS) | |
2287 | ,&vFM | |
2288 | ); | |
2289 | ||
2290 | if (pvX) | |
2291 | *pvX = (wxCoord)(vPtMax.x - vPtMin.x + 1); | |
2292 | if (pvY) | |
2293 | *pvY = (wxCoord)(vPtMax.y - vPtMin.y + 1); | |
2294 | if (pvDescent) | |
2295 | *pvDescent = vFM.lMaxDescender; | |
2296 | if (pvExternalLeading) | |
2297 | *pvExternalLeading = vFM.lExternalLeading; | |
2298 | } | |
2299 | ||
2300 | void wxDC::SetMapMode( | |
2301 | int nMode | |
2302 | ) | |
2303 | { | |
2304 | int nPixelWidth = 0; | |
2305 | int nPixelHeight = 0; | |
2306 | int nMmWidth = 1; | |
2307 | int nMmHeight = 1; | |
2308 | LONG lArray[CAPS_VERTICAL_RESOLUTION]; | |
2309 | ||
2310 | m_mappingMode = nMode; | |
2311 | ||
2312 | if(::DevQueryCaps( m_hDC | |
2313 | ,CAPS_FAMILY | |
2314 | ,CAPS_VERTICAL_RESOLUTION | |
2315 | ,lArray | |
2316 | )) | |
2317 | { | |
2318 | LONG lHorzRes; | |
2319 | LONG lVertRes; | |
2320 | ||
2321 | nPixelWidth = lArray[CAPS_WIDTH]; | |
2322 | nPixelHeight = lArray[CAPS_HEIGHT]; | |
2323 | lHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter | |
2324 | lVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter | |
2325 | nMmWidth = (lHorzRes/1000) * nPixelWidth; | |
2326 | nMmWidth = (lVertRes/1000) * nPixelHeight; | |
2327 | } | |
2328 | if ((nPixelWidth == 0) || (nPixelHeight == 0) || (nMmWidth == 0) || (nMmHeight == 0)) | |
2329 | { | |
2330 | return; | |
2331 | } | |
2332 | ||
2333 | double dMm2pixelsX = nPixelWidth/nMmWidth; | |
2334 | double dMm2pixelsY = nPixelHeight/nMmHeight; | |
2335 | ||
2336 | switch (nMode) | |
2337 | { | |
2338 | case wxMM_TWIPS: | |
2339 | m_logicalScaleX = (twips2mm * dMm2pixelsX); | |
2340 | m_logicalScaleY = (twips2mm * dMm2pixelsY); | |
2341 | break; | |
2342 | ||
2343 | case wxMM_POINTS: | |
2344 | m_logicalScaleX = (pt2mm * dMm2pixelsX); | |
2345 | m_logicalScaleY = (pt2mm * dMm2pixelsY); | |
2346 | break; | |
2347 | ||
2348 | case wxMM_METRIC: | |
2349 | m_logicalScaleX = dMm2pixelsX; | |
2350 | m_logicalScaleY = dMm2pixelsY; | |
2351 | break; | |
2352 | ||
2353 | case wxMM_LOMETRIC: | |
2354 | m_logicalScaleX = (dMm2pixelsX/10.0); | |
2355 | m_logicalScaleY = (dMm2pixelsY/10.0); | |
2356 | break; | |
2357 | ||
2358 | case wxMM_TEXT: | |
2359 | default: | |
2360 | m_logicalScaleX = 1.0; | |
2361 | m_logicalScaleY = 1.0; | |
2362 | break; | |
2363 | } | |
2364 | SIZEL vSize; | |
2365 | ULONG ulOptions; | |
2366 | ||
2367 | ulOptions = ::GpiQueryPS(m_hPS, &vSize); | |
2368 | if (!ulOptions & PU_ARBITRARY) | |
2369 | { | |
2370 | ulOptions = PU_ARBITRARY | GPIF_DEFAULT; | |
2371 | ::GpiSetPS(m_hPS, &vSize, ulOptions); | |
2372 | } | |
2373 | m_nWindowExtX = (int)MS_XDEV2LOG(VIEWPORT_EXTENT); | |
2374 | m_nWindowExtY = (int)MS_YDEV2LOG(VIEWPORT_EXTENT); | |
2375 | // ???? | |
2376 | }; // end of wxDC::SetMapMode | |
2377 | ||
2378 | void wxDC::SetUserScale( | |
2379 | double dX | |
2380 | , double dY | |
2381 | ) | |
2382 | { | |
2383 | m_userScaleX = dX; | |
2384 | m_userScaleY = dY; | |
2385 | ||
2386 | SetMapMode(m_mappingMode); | |
2387 | } // end of wxDC::SetUserScale | |
2388 | ||
2389 | void wxDC::SetAxisOrientation( | |
2390 | bool bXLeftRight | |
2391 | , bool bYBottomUp | |
2392 | ) | |
2393 | { | |
2394 | m_signX = bXLeftRight ? 1 : -1; | |
2395 | m_signY = bYBottomUp ? -1 : 1; | |
2396 | ||
2397 | SetMapMode(m_mappingMode); | |
2398 | } // end of wxDC::SetAxisOrientation | |
2399 | ||
2400 | void wxDC::SetSystemScale( | |
2401 | double dX | |
2402 | , double dY | |
2403 | ) | |
2404 | { | |
2405 | m_scaleX = dX; | |
2406 | m_scaleY = dY; | |
2407 | ||
2408 | SetMapMode(m_mappingMode); | |
2409 | } // end of wxDC::SetSystemScale | |
2410 | ||
2411 | void wxDC::SetLogicalOrigin( | |
2412 | wxCoord vX | |
2413 | , wxCoord vY | |
2414 | ) | |
2415 | { | |
2416 | RECTL vRect; | |
2417 | ||
2418 | ::GpiQueryPageViewport( m_hPS | |
2419 | ,&vRect | |
2420 | ); | |
2421 | vRect.xRight -= vX; | |
2422 | vRect.yTop += vY; | |
2423 | vRect.xLeft = vX; | |
2424 | vRect.yBottom = vY; | |
2425 | ::GpiSetPageViewport( m_hPS | |
2426 | ,&vRect | |
2427 | ); | |
2428 | }; // end of wxDC::SetLogicalOrigin | |
2429 | ||
2430 | void wxDC::SetDeviceOrigin( | |
2431 | wxCoord vX | |
2432 | , wxCoord vY | |
2433 | ) | |
2434 | { | |
2435 | RECTL vRect; | |
2436 | ||
2437 | m_deviceOriginX = vX; | |
2438 | m_deviceOriginY = vY; | |
2439 | ::GpiQueryPageViewport( m_hPS | |
2440 | ,&vRect | |
2441 | ); | |
2442 | vRect.xLeft += vX; | |
2443 | vRect.xRight += vX; | |
2444 | vRect.yBottom -= vY; | |
2445 | vRect.yTop -= vY; | |
2446 | ::GpiSetPageViewport( m_hPS | |
2447 | ,&vRect | |
2448 | ); | |
2449 | }; // end of wxDC::SetDeviceOrigin | |
2450 | ||
2451 | // --------------------------------------------------------------------------- | |
2452 | // coordinates transformations | |
2453 | // --------------------------------------------------------------------------- | |
2454 | ||
2455 | wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const | |
2456 | { | |
2457 | return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX); | |
2458 | } | |
2459 | ||
2460 | wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const | |
2461 | { | |
2462 | // axis orientation is not taken into account for conversion of a distance | |
2463 | return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_scaleX)); | |
2464 | } | |
2465 | ||
2466 | wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const | |
2467 | { | |
2468 | return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY); | |
2469 | } | |
2470 | ||
2471 | wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const | |
2472 | { | |
2473 | // axis orientation is not taken into account for conversion of a distance | |
2474 | return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_scaleY)); | |
2475 | } | |
2476 | ||
2477 | wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const | |
2478 | { | |
2479 | return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX); | |
2480 | } | |
2481 | ||
2482 | wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const | |
2483 | { | |
2484 | // axis orientation is not taken into account for conversion of a distance | |
2485 | return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_scaleX); | |
2486 | } | |
2487 | ||
2488 | wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const | |
2489 | { | |
2490 | return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY); | |
2491 | } | |
2492 | ||
2493 | wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const | |
2494 | { | |
2495 | // axis orientation is not taken into account for conversion of a distance | |
2496 | return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_scaleY); | |
2497 | } | |
2498 | ||
2499 | // --------------------------------------------------------------------------- | |
2500 | // bit blit | |
2501 | // --------------------------------------------------------------------------- | |
2502 | ||
2503 | bool wxDC::DoBlit( | |
2504 | wxCoord vXdest | |
2505 | , wxCoord vYdest | |
2506 | , wxCoord vWidth | |
2507 | , wxCoord vHeight | |
2508 | , wxDC* pSource | |
2509 | , wxCoord vXsrc | |
2510 | , wxCoord vYsrc | |
2511 | , int nRop | |
2512 | , bool bUseMask | |
2513 | , wxCoord vXsrcMask | |
2514 | , wxCoord vYsrcMask | |
2515 | ) | |
2516 | { | |
2517 | wxMask* pMask = NULL; | |
2518 | CHARBUNDLE vCbnd; | |
2519 | COLORREF vOldTextColor; | |
2520 | COLORREF vOldBackground = ::GpiQueryBackColor(m_hPS); | |
2521 | ||
2522 | if (bUseMask) | |
2523 | { | |
2524 | const wxBitmap& rBmp = pSource->m_vSelectedBitmap; | |
2525 | ||
2526 | pMask = rBmp.GetMask(); | |
2527 | if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap())) | |
2528 | { | |
2529 | bUseMask = false; | |
2530 | } | |
2531 | } | |
2532 | ||
2533 | ::GpiQueryAttrs( m_hPS | |
2534 | ,PRIM_CHAR | |
2535 | ,CBB_COLOR | |
2536 | ,&vCbnd | |
2537 | ); | |
2538 | vOldTextColor = (COLORREF)vCbnd.lColor; | |
2539 | ||
2540 | if (m_textForegroundColour.Ok()) | |
2541 | { | |
2542 | vCbnd.lColor = (LONG)m_textForegroundColour.GetPixel(); | |
2543 | ::GpiSetAttrs( m_hPS // presentation-space handle | |
2544 | ,PRIM_CHAR // Char primitive. | |
2545 | ,CBB_COLOR // sets color. | |
2546 | ,0 | |
2547 | ,&vCbnd // buffer for attributes. | |
2548 | ); | |
2549 | } | |
2550 | if (m_textBackgroundColour.Ok()) | |
2551 | { | |
2552 | ::GpiSetBackColor(m_hPS, (LONG)m_textBackgroundColour.GetPixel()); | |
2553 | } | |
2554 | ||
2555 | LONG lRop = ROP_SRCCOPY; | |
2556 | ||
2557 | switch (nRop) | |
2558 | { | |
2559 | case wxXOR: lRop = ROP_SRCINVERT; break; | |
2560 | case wxINVERT: lRop = ROP_DSTINVERT; break; | |
2561 | case wxOR_REVERSE: lRop = 0x00DD0228; break; | |
2562 | case wxAND_REVERSE: lRop = ROP_SRCERASE; break; | |
2563 | case wxCLEAR: lRop = ROP_ZERO; break; | |
2564 | case wxSET: lRop = ROP_ONE; break; | |
2565 | case wxOR_INVERT: lRop = ROP_MERGEPAINT; break; | |
2566 | case wxAND: lRop = ROP_SRCAND; break; | |
2567 | case wxOR: lRop = ROP_SRCPAINT; break; | |
2568 | case wxEQUIV: lRop = 0x00990066; break; | |
2569 | case wxNAND: lRop = 0x007700E6; break; | |
2570 | case wxAND_INVERT: lRop = 0x00220326; break; | |
2571 | case wxCOPY: lRop = ROP_SRCCOPY; break; | |
2572 | case wxNO_OP: lRop = ROP_NOTSRCERASE; break; | |
2573 | case wxSRC_INVERT: lRop = ROP_SRCINVERT; break; | |
2574 | case wxNOR: lRop = ROP_NOTSRCCOPY; break; | |
2575 | default: | |
2576 | wxFAIL_MSG( wxT("unsupported logical function") ); | |
2577 | return false; | |
2578 | } | |
2579 | ||
2580 | bool bSuccess; | |
2581 | ||
2582 | if (bUseMask) | |
2583 | { | |
2584 | // | |
2585 | // Blit bitmap with mask | |
2586 | // | |
2587 | ||
2588 | // | |
2589 | // Create a temp buffer bitmap and DCs/PSs to access it and the mask | |
2590 | // | |
2591 | HDC hDCMask; | |
2592 | HDC hDCBuffer; | |
2593 | HPS hPSMask; | |
2594 | HPS hPSBuffer; | |
2595 | DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L}; | |
2596 | BITMAPINFOHEADER2 vBmpHdr; | |
2597 | HBITMAP hBufBitmap; | |
2598 | SIZEL vSize = {0, 0}; | |
2599 | LONG rc; | |
2600 | ||
2601 | memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2)); | |
2602 | vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2); | |
2603 | vBmpHdr.cx = vWidth; | |
2604 | vBmpHdr.cy = vHeight; | |
2605 | vBmpHdr.cPlanes = 1; | |
2606 | vBmpHdr.cBitCount = 24; | |
2607 | ||
2608 | #if wxUSE_DC_CACHEING | |
2609 | if (true) | |
2610 | { | |
2611 | // | |
2612 | // create a temp buffer bitmap and DCs to access it and the mask | |
2613 | // | |
2614 | wxDCCacheEntry* pDCCacheEntry1 = FindDCInCache( NULL | |
2615 | ,pSource->GetHPS() | |
2616 | ); | |
2617 | wxDCCacheEntry* pDCCacheEntry2 = FindDCInCache( pDCCacheEntry1 | |
2618 | ,GetHPS() | |
2619 | ); | |
2620 | wxDCCacheEntry* pBitmapCacheEntry = FindBitmapInCache( GetHPS() | |
2621 | ,vWidth | |
2622 | ,vHeight | |
2623 | ); | |
2624 | ||
2625 | hPSMask = pDCCacheEntry1->m_hPS; | |
2626 | hDCBuffer = (HDC)pDCCacheEntry2->m_hPS; | |
2627 | hBufBitmap = (HBITMAP)pBitmapCacheEntry->m_hBitmap; | |
2628 | } | |
2629 | else | |
2630 | #endif | |
2631 | { | |
2632 | hDCMask = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE); | |
2633 | hDCBuffer = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE); | |
2634 | hPSMask = ::GpiCreatePS(vHabmain, hDCMask, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); | |
2635 | hPSBuffer = ::GpiCreatePS(vHabmain, hDCBuffer, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC); | |
2636 | hBufBitmap = ::GpiCreateBitmap(GetHPS(), &vBmpHdr, 0L, NULL, NULL); | |
2637 | } | |
2638 | ||
2639 | POINTL aPoint1[4] = { {0, 0} | |
2640 | ,{vWidth, vHeight} | |
2641 | ,{vXdest, vYdest} | |
2642 | ,{vXdest + vWidth, vYdest + vHeight} | |
2643 | }; | |
2644 | POINTL aPoint2[4] = { {0, 0} | |
2645 | ,{vWidth, vHeight} | |
2646 | ,{vXsrc, vYsrc} | |
2647 | ,{vXsrc + vWidth, vYsrc + vHeight} | |
2648 | }; | |
2649 | POINTL aPoint3[4] = { {vXdest, vYdest} | |
2650 | ,{vXdest + vWidth, vYdest + vHeight} | |
2651 | ,{vXsrc, vYsrc} | |
2652 | ,{vXsrc + vWidth, vYsrc + vHeight} | |
2653 | }; | |
2654 | POINTL aPoint4[4] = { {vXdest, vYdest} | |
2655 | ,{vXdest + vWidth, vYdest + vHeight} | |
2656 | ,{0, 0} | |
2657 | ,{vWidth, vHeight} | |
2658 | }; | |
2659 | ::GpiSetBitmap(hPSMask, (HBITMAP) pMask->GetMaskBitmap()); | |
2660 | ::GpiSetBitmap(hPSBuffer, (HBITMAP) hBufBitmap); | |
2661 | ||
2662 | // | |
2663 | // Copy dest to buffer | |
2664 | // | |
2665 | rc = ::GpiBitBlt( hPSBuffer | |
2666 | ,GetHPS() | |
2667 | ,4L | |
2668 | ,aPoint1 | |
2669 | ,ROP_SRCCOPY | |
2670 | ,BBO_IGNORE | |
2671 | ); | |
2672 | if (rc == GPI_ERROR) | |
2673 | { | |
2674 | wxLogLastError(wxT("BitBlt")); | |
2675 | } | |
2676 | ||
2677 | // | |
2678 | // Copy src to buffer using selected raster op | |
2679 | // | |
2680 | rc = ::GpiBitBlt( hPSBuffer | |
2681 | ,GetHPS() | |
2682 | ,4L | |
2683 | ,aPoint2 | |
2684 | ,lRop | |
2685 | ,BBO_IGNORE | |
2686 | ); | |
2687 | if (rc == GPI_ERROR) | |
2688 | { | |
2689 | wxLogLastError(wxT("BitBlt")); | |
2690 | } | |
2691 | ||
2692 | // | |
2693 | // Set masked area in buffer to BLACK (pixel value 0) | |
2694 | // | |
2695 | COLORREF vPrevBkCol = ::GpiQueryBackColor(GetHPS()); | |
2696 | COLORREF vPrevCol = ::GpiQueryColor(GetHPS()); | |
2697 | ||
2698 | ::GpiSetBackColor(GetHPS(), OS2RGB(255, 255, 255)); | |
2699 | ::GpiSetColor(GetHPS(), OS2RGB(0, 0, 0)); | |
2700 | ||
2701 | rc = ::GpiBitBlt( hPSBuffer | |
2702 | ,hPSMask | |
2703 | ,4L | |
2704 | ,aPoint2 | |
2705 | ,ROP_SRCAND | |
2706 | ,BBO_IGNORE | |
2707 | ); | |
2708 | if (rc == GPI_ERROR) | |
2709 | { | |
2710 | wxLogLastError(wxT("BitBlt")); | |
2711 | } | |
2712 | ||
2713 | // | |
2714 | // Set unmasked area in dest to BLACK | |
2715 | // | |
2716 | ::GpiSetBackColor(GetHPS(), OS2RGB(0, 0, 0)); | |
2717 | ::GpiSetColor(GetHPS(), OS2RGB(255, 255, 255)); | |
2718 | rc = ::GpiBitBlt( GetHPS() | |
2719 | ,hPSMask | |
2720 | ,4L | |
2721 | ,aPoint3 | |
2722 | ,ROP_SRCAND | |
2723 | ,BBO_IGNORE | |
2724 | ); | |
2725 | if (rc == GPI_ERROR) | |
2726 | { | |
2727 | wxLogLastError(wxT("BitBlt")); | |
2728 | } | |
2729 | ||
2730 | // | |
2731 | // Restore colours to original values | |
2732 | // | |
2733 | ::GpiSetBackColor(GetHPS(), vPrevBkCol); | |
2734 | ::GpiSetColor(GetHPS(), vPrevCol); | |
2735 | ||
2736 | // | |
2737 | // OR buffer to dest | |
2738 | // | |
2739 | rc = ::GpiBitBlt( GetHPS() | |
2740 | ,hPSMask | |
2741 | ,4L | |
2742 | ,aPoint4 | |
2743 | ,ROP_SRCPAINT | |
2744 | ,BBO_IGNORE | |
2745 | ); | |
2746 | if (rc == GPI_ERROR) | |
2747 | { | |
2748 | bSuccess = false; | |
2749 | wxLogLastError(wxT("BitBlt")); | |
2750 | } | |
2751 | ||
2752 | // | |
2753 | // Tidy up temporary DCs and bitmap | |
2754 | // | |
2755 | ::GpiSetBitmap(hPSMask, NULLHANDLE); | |
2756 | ::GpiSetBitmap(hPSBuffer, NULLHANDLE); | |
2757 | #if !wxUSE_DC_CACHEING | |
2758 | ::GpiDestroyPS(hPSMask); | |
2759 | ::GpiDestroyPS(hPSBuffer); | |
2760 | ::DevCloseDC(hDCMask); | |
2761 | ::DevCloseDC(hDCBuffer); | |
2762 | ::GpiDeleteBitmap(hBufBitmap); | |
2763 | #endif | |
2764 | bSuccess = true; | |
2765 | } | |
2766 | else // no mask, just BitBlt() it | |
2767 | { | |
2768 | POINTL aPoint[4] = { {vXdest, vYdest} | |
2769 | ,{vXdest + vWidth, vYdest + vHeight} | |
2770 | ,{vXsrc, vYsrc} | |
2771 | ,{vXsrc + vWidth, vYsrc + vHeight} | |
2772 | }; | |
2773 | ||
2774 | bSuccess = (::GpiBitBlt( m_hPS | |
2775 | ,pSource->GetHPS() | |
2776 | ,4L | |
2777 | ,aPoint | |
2778 | ,lRop | |
2779 | ,BBO_IGNORE | |
2780 | ) != GPI_ERROR); | |
2781 | if (!bSuccess ) | |
2782 | { | |
2783 | wxLogLastError(wxT("BitBlt")); | |
2784 | } | |
2785 | } | |
2786 | vCbnd.lColor = (LONG)vOldTextColor; | |
2787 | ::GpiSetAttrs( m_hPS // presentation-space handle | |
2788 | ,PRIM_CHAR // Char primitive. | |
2789 | ,CBB_COLOR // sets color. | |
2790 | ,0 | |
2791 | ,&vCbnd // buffer for attributes. | |
2792 | ); | |
2793 | ::GpiSetBackColor(m_hPS, (LONG)vOldBackground); | |
2794 | return bSuccess; | |
2795 | } | |
2796 | ||
2797 | void wxDC::DoGetSize( | |
2798 | int* pnWidth | |
2799 | , int* pnHeight | |
2800 | ) const | |
2801 | { | |
2802 | LONG lArray[CAPS_HEIGHT]; | |
2803 | ||
2804 | if(::DevQueryCaps( m_hDC | |
2805 | ,CAPS_FAMILY | |
2806 | ,CAPS_HEIGHT | |
2807 | ,lArray | |
2808 | )) | |
2809 | { | |
2810 | *pnWidth = lArray[CAPS_WIDTH]; | |
2811 | *pnHeight = lArray[CAPS_HEIGHT]; | |
2812 | } | |
2813 | }; // end of wxDC::DoGetSize( | |
2814 | ||
2815 | void wxDC::DoGetSizeMM( | |
2816 | int* pnWidth | |
2817 | , int* pnHeight | |
2818 | ) const | |
2819 | { | |
2820 | LONG lArray[CAPS_VERTICAL_RESOLUTION]; | |
2821 | ||
2822 | if(::DevQueryCaps( m_hDC | |
2823 | ,CAPS_FAMILY | |
2824 | ,CAPS_VERTICAL_RESOLUTION | |
2825 | ,lArray | |
2826 | )) | |
2827 | { | |
2828 | int nWidth; | |
2829 | int nHeight; | |
2830 | int nHorzRes; | |
2831 | int nVertRes; | |
2832 | ||
2833 | nWidth = lArray[CAPS_WIDTH]; | |
2834 | nHeight = lArray[CAPS_HEIGHT]; | |
2835 | nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter | |
2836 | nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter | |
2837 | nWidth = (nHorzRes/1000) * nWidth; | |
2838 | nHeight = (nVertRes/1000) * nHeight; | |
2839 | } | |
2840 | }; // end of wxDC::DoGetSizeMM | |
2841 | ||
2842 | wxSize wxDC::GetPPI() const | |
2843 | { | |
2844 | LONG lArray[CAPS_VERTICAL_RESOLUTION]; | |
2845 | int nWidth; | |
2846 | int nHeight; | |
2847 | ||
2848 | if(::DevQueryCaps( m_hDC | |
2849 | ,CAPS_FAMILY | |
2850 | ,CAPS_VERTICAL_RESOLUTION | |
2851 | ,lArray | |
2852 | )) | |
2853 | { | |
2854 | int nPelWidth; | |
2855 | int nPelHeight; | |
2856 | int nHorzRes; | |
2857 | int nVertRes; | |
2858 | ||
2859 | nPelWidth = lArray[CAPS_WIDTH]; | |
2860 | nPelHeight = lArray[CAPS_HEIGHT]; | |
2861 | nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter | |
2862 | nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter | |
2863 | nWidth = (int)((nHorzRes/39.3) * nPelWidth); | |
2864 | nHeight = (int)((nVertRes/39.3) * nPelHeight); | |
2865 | } | |
2866 | return (wxSize(nWidth,nHeight)); | |
2867 | } // end of wxDC::GetPPI | |
2868 | ||
2869 | void wxDC::SetLogicalScale( | |
2870 | double dX | |
2871 | , double dY | |
2872 | ) | |
2873 | { | |
2874 | m_logicalScaleX = dX; | |
2875 | m_logicalScaleY = dY; | |
2876 | }; // end of wxDC::SetLogicalScale | |
2877 | ||
2878 | ||
2879 |