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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: bitmap.cpp | |
3 | // Purpose: wxBitmap | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "bitmap.h" | |
14 | #endif | |
15 | ||
16 | #ifdef __VMS | |
17 | #define XtParent XTPARENT | |
18 | #endif | |
19 | ||
20 | #include "wx/setup.h" | |
21 | #include "wx/utils.h" | |
22 | #include "wx/palette.h" | |
23 | #include "wx/bitmap.h" | |
24 | #include "wx/icon.h" | |
25 | #include "wx/log.h" | |
26 | #include "wx/control.h" | |
27 | #include "wx/dcmemory.h" | |
28 | #include "wx/image.h" | |
29 | #include "wx/app.h" | |
30 | ||
31 | #ifdef __VMS__ | |
32 | #pragma message disable nosimpint | |
33 | #endif | |
34 | #include <Xm/Xm.h> | |
35 | #ifdef __VMS__ | |
36 | #pragma message enable nosimpint | |
37 | #endif | |
38 | ||
39 | #include "wx/motif/private.h" | |
40 | ||
41 | #if wxHAVE_LIB_XPM | |
42 | #include <X11/xpm.h> | |
43 | #endif | |
44 | #include <math.h> | |
45 | ||
46 | ||
47 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) | |
48 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) | |
49 | ||
50 | wxBitmapRefData::wxBitmapRefData() | |
51 | { | |
52 | m_ok = FALSE; | |
53 | m_width = 0; | |
54 | m_height = 0; | |
55 | m_depth = 0; | |
56 | m_quality = 0; | |
57 | m_numColors = 0; | |
58 | m_bitmapMask = NULL; | |
59 | ||
60 | m_pixmap = (WXPixmap) 0; | |
61 | m_display = (WXDisplay*) 0; | |
62 | ||
63 | m_freePixmap = TRUE; //TODO: necessary? | |
64 | m_freeColors = (unsigned long*) 0; | |
65 | m_freeColorsCount = 0; | |
66 | ||
67 | // These 5 variables are for wxControl | |
68 | m_insensPixmap = (WXPixmap) 0; | |
69 | m_labelPixmap = (WXPixmap) 0; | |
70 | m_armPixmap = (WXPixmap) 0; | |
71 | m_image = (WXImage*) 0; | |
72 | m_insensImage = (WXImage*) 0; | |
73 | } | |
74 | ||
75 | wxBitmapRefData::~wxBitmapRefData() | |
76 | { | |
77 | if (m_labelPixmap) | |
78 | XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) m_display), (Pixmap) m_labelPixmap); | |
79 | ||
80 | if (m_armPixmap) | |
81 | XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) m_display), (Pixmap) m_armPixmap); | |
82 | ||
83 | if (m_insensPixmap) | |
84 | XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) m_display), (Pixmap) m_insensPixmap); | |
85 | ||
86 | if (m_image) | |
87 | { | |
88 | XmUninstallImage ((XImage*) m_image); | |
89 | XtFree ((char *) (XImage*) m_image); | |
90 | } | |
91 | ||
92 | if (m_insensImage) | |
93 | { | |
94 | XmUninstallImage ((XImage*) m_insensImage); | |
95 | delete[] ((XImage*) m_insensImage)->data; | |
96 | XtFree ((char *) (XImage*) m_insensImage); | |
97 | } | |
98 | if (m_pixmap && m_freePixmap) | |
99 | XFreePixmap ((Display*) m_display, (Pixmap) m_pixmap); | |
100 | ||
101 | if (m_freeColors) | |
102 | { | |
103 | int screen = DefaultScreen((Display*) m_display); | |
104 | Colormap cmp = DefaultColormap((Display*) m_display,screen); | |
105 | long llp; | |
106 | for(llp = 0;llp < m_freeColorsCount;llp++) | |
107 | XFreeColors((Display*) m_display, cmp, &m_freeColors[llp], 1, 0L); | |
108 | delete m_freeColors; | |
109 | }; | |
110 | ||
111 | if (m_bitmapMask) | |
112 | delete m_bitmapMask; | |
113 | m_bitmapMask = NULL; | |
114 | } | |
115 | ||
116 | wxList wxBitmap::sm_handlers; | |
117 | ||
118 | #define M_BMPDATA ((wxBitmapRefData *)m_refData) | |
119 | ||
120 | wxBitmap::wxBitmap() | |
121 | { | |
122 | m_refData = NULL; | |
123 | } | |
124 | ||
125 | wxBitmap::~wxBitmap() | |
126 | { | |
127 | } | |
128 | ||
129 | wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) | |
130 | { | |
131 | m_refData = new wxBitmapRefData; | |
132 | ||
133 | (void) Create((void*) bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth); | |
134 | } | |
135 | ||
136 | wxBitmap::wxBitmap(int w, int h, int d) | |
137 | { | |
138 | (void)Create(w, h, d); | |
139 | } | |
140 | ||
141 | wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) | |
142 | { | |
143 | (void) Create(data, type, width, height, depth); | |
144 | } | |
145 | ||
146 | wxBitmap::wxBitmap(const wxString& filename, long type) | |
147 | { | |
148 | LoadFile(filename, (int)type); | |
149 | } | |
150 | ||
151 | // Create from XPM data | |
152 | static wxControl* sg_Control = NULL; | |
153 | wxBitmap::wxBitmap(char **data, wxControl* control) | |
154 | { | |
155 | // Pass the control to the Create function using a global | |
156 | sg_Control = control; | |
157 | ||
158 | (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); | |
159 | ||
160 | sg_Control = (wxControl*) NULL; | |
161 | } | |
162 | ||
163 | bool wxBitmap::CreateFromXpm(const char **bits) | |
164 | { | |
165 | wxCHECK_MSG( bits, FALSE, _T("NULL pointer in wxBitmap::CreateFromXpm") ); | |
166 | ||
167 | return Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); | |
168 | } | |
169 | ||
170 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) | |
171 | { | |
172 | *this = icon; | |
173 | return TRUE; | |
174 | } | |
175 | ||
176 | bool wxBitmap::Create(int w, int h, int d) | |
177 | { | |
178 | UnRef(); | |
179 | ||
180 | m_refData = new wxBitmapRefData; | |
181 | ||
182 | if (d < 1) | |
183 | d = wxDisplayDepth(); | |
184 | ||
185 | M_BITMAPDATA->m_width = w; | |
186 | M_BITMAPDATA->m_height = h; | |
187 | M_BITMAPDATA->m_depth = d; | |
188 | M_BITMAPDATA->m_freePixmap = TRUE; | |
189 | ||
190 | Display *dpy = (Display*) wxGetDisplay(); | |
191 | ||
192 | M_BITMAPDATA->m_display = dpy; /* MATTHEW: [4] Remember the display */ | |
193 | ||
194 | M_BITMAPDATA->m_pixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)), | |
195 | w, h, d); | |
196 | ||
197 | M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_pixmap != (WXPixmap) 0) ; | |
198 | return M_BITMAPDATA->m_ok; | |
199 | } | |
200 | ||
201 | bool wxBitmap::LoadFile(const wxString& filename, long type) | |
202 | { | |
203 | UnRef(); | |
204 | ||
205 | m_refData = new wxBitmapRefData; | |
206 | ||
207 | wxBitmapHandler *handler = FindHandler(type); | |
208 | ||
209 | if ( handler == NULL ) { | |
210 | wxImage image; | |
211 | if (!image.LoadFile( filename, type )) return FALSE; | |
212 | if (image.Ok()) | |
213 | { | |
214 | *this = image.ConvertToBitmap(); | |
215 | return TRUE; | |
216 | } | |
217 | else return FALSE; | |
218 | } | |
219 | ||
220 | return handler->LoadFile(this, filename, type, -1, -1); | |
221 | } | |
222 | ||
223 | bool wxBitmap::Create(void *data, long type, int width, int height, int depth) | |
224 | { | |
225 | UnRef(); | |
226 | ||
227 | m_refData = new wxBitmapRefData; | |
228 | ||
229 | wxBitmapHandler *handler = FindHandler(type); | |
230 | ||
231 | if ( handler == NULL ) { | |
232 | wxLogWarning("no data bitmap handler for type %d defined.", type); | |
233 | ||
234 | return FALSE; | |
235 | } | |
236 | ||
237 | return handler->Create(this, data, type, width, height, depth); | |
238 | } | |
239 | ||
240 | bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) | |
241 | { | |
242 | wxBitmapHandler *handler = FindHandler(type); | |
243 | ||
244 | if ( handler == NULL ) { // try wxImage | |
245 | wxImage image( *this ); | |
246 | if (image.Ok()) return image.SaveFile( filename, type ); | |
247 | else return FALSE; | |
248 | } | |
249 | ||
250 | return handler->SaveFile(this, filename, type, palette); | |
251 | } | |
252 | ||
253 | void wxBitmap::SetWidth(int w) | |
254 | { | |
255 | if (!M_BITMAPDATA) | |
256 | m_refData = new wxBitmapRefData; | |
257 | ||
258 | M_BITMAPDATA->m_width = w; | |
259 | } | |
260 | ||
261 | void wxBitmap::SetHeight(int h) | |
262 | { | |
263 | if (!M_BITMAPDATA) | |
264 | m_refData = new wxBitmapRefData; | |
265 | ||
266 | M_BITMAPDATA->m_height = h; | |
267 | } | |
268 | ||
269 | void wxBitmap::SetDepth(int d) | |
270 | { | |
271 | if (!M_BITMAPDATA) | |
272 | m_refData = new wxBitmapRefData; | |
273 | ||
274 | M_BITMAPDATA->m_depth = d; | |
275 | } | |
276 | ||
277 | void wxBitmap::SetQuality(int q) | |
278 | { | |
279 | if (!M_BITMAPDATA) | |
280 | m_refData = new wxBitmapRefData; | |
281 | ||
282 | M_BITMAPDATA->m_quality = q; | |
283 | } | |
284 | ||
285 | void wxBitmap::SetOk(bool isOk) | |
286 | { | |
287 | if (!M_BITMAPDATA) | |
288 | m_refData = new wxBitmapRefData; | |
289 | ||
290 | M_BITMAPDATA->m_ok = isOk; | |
291 | } | |
292 | ||
293 | void wxBitmap::SetPalette(const wxPalette& palette) | |
294 | { | |
295 | if (!M_BITMAPDATA) | |
296 | m_refData = new wxBitmapRefData; | |
297 | ||
298 | M_BITMAPDATA->m_bitmapPalette = palette ; | |
299 | } | |
300 | ||
301 | void wxBitmap::SetMask(wxMask *mask) | |
302 | { | |
303 | if (!M_BITMAPDATA) | |
304 | m_refData = new wxBitmapRefData; | |
305 | ||
306 | M_BITMAPDATA->m_bitmapMask = mask ; | |
307 | } | |
308 | ||
309 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const | |
310 | { | |
311 | wxCHECK_MSG( Ok() && | |
312 | (rect.x >= 0) && (rect.y >= 0) && | |
313 | (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), | |
314 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); | |
315 | ||
316 | wxBitmap ret( rect.width, rect.height, 0 ); | |
317 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); | |
318 | ||
319 | // The remaining still TODO | |
320 | return ret; | |
321 | } | |
322 | ||
323 | void wxBitmap::AddHandler(wxBitmapHandler *handler) | |
324 | { | |
325 | sm_handlers.Append(handler); | |
326 | } | |
327 | ||
328 | void wxBitmap::InsertHandler(wxBitmapHandler *handler) | |
329 | { | |
330 | sm_handlers.Insert(handler); | |
331 | } | |
332 | ||
333 | bool wxBitmap::RemoveHandler(const wxString& name) | |
334 | { | |
335 | wxBitmapHandler *handler = FindHandler(name); | |
336 | if ( handler ) | |
337 | { | |
338 | sm_handlers.DeleteObject(handler); | |
339 | return TRUE; | |
340 | } | |
341 | else | |
342 | return FALSE; | |
343 | } | |
344 | ||
345 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) | |
346 | { | |
347 | wxNode *node = sm_handlers.First(); | |
348 | while ( node ) | |
349 | { | |
350 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
351 | if ( handler->GetName() == name ) | |
352 | return handler; | |
353 | node = node->Next(); | |
354 | } | |
355 | return NULL; | |
356 | } | |
357 | ||
358 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) | |
359 | { | |
360 | wxNode *node = sm_handlers.First(); | |
361 | while ( node ) | |
362 | { | |
363 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
364 | if ( handler->GetExtension() == extension && | |
365 | (bitmapType == -1 || handler->GetType() == bitmapType) ) | |
366 | return handler; | |
367 | node = node->Next(); | |
368 | } | |
369 | return NULL; | |
370 | } | |
371 | ||
372 | wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) | |
373 | { | |
374 | wxNode *node = sm_handlers.First(); | |
375 | while ( node ) | |
376 | { | |
377 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
378 | if (handler->GetType() == bitmapType) | |
379 | return handler; | |
380 | node = node->Next(); | |
381 | } | |
382 | return NULL; | |
383 | } | |
384 | ||
385 | /* | |
386 | * wxMask | |
387 | */ | |
388 | ||
389 | wxMask::wxMask() | |
390 | { | |
391 | m_pixmap = (WXPixmap) 0; | |
392 | } | |
393 | ||
394 | // Construct a mask from a bitmap and a colour indicating | |
395 | // the transparent area | |
396 | wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) | |
397 | { | |
398 | m_pixmap = (WXPixmap) 0; | |
399 | ||
400 | Create(bitmap, colour); | |
401 | } | |
402 | ||
403 | // Construct a mask from a bitmap and a palette index indicating | |
404 | // the transparent area | |
405 | wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) | |
406 | { | |
407 | m_pixmap = (WXPixmap) 0; | |
408 | ||
409 | Create(bitmap, paletteIndex); | |
410 | } | |
411 | ||
412 | // Construct a mask from a mono bitmap (copies the bitmap). | |
413 | wxMask::wxMask(const wxBitmap& bitmap) | |
414 | { | |
415 | m_pixmap = (WXPixmap) 0; | |
416 | ||
417 | Create(bitmap); | |
418 | } | |
419 | ||
420 | wxMask::~wxMask() | |
421 | { | |
422 | // TODO: this may be the wrong display | |
423 | if ( m_pixmap ) | |
424 | XFreePixmap ((Display*) wxGetDisplay(), (Pixmap) m_pixmap); | |
425 | } | |
426 | ||
427 | // Create a mask from a mono bitmap (copies the bitmap). | |
428 | bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap)) | |
429 | { | |
430 | // TODO | |
431 | return FALSE; | |
432 | } | |
433 | ||
434 | // Create a mask from a bitmap and a palette index indicating | |
435 | // the transparent area | |
436 | bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex)) | |
437 | { | |
438 | // TODO | |
439 | return FALSE; | |
440 | } | |
441 | ||
442 | // Create a mask from a bitmap and a colour indicating | |
443 | // the transparent area | |
444 | bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour)) | |
445 | { | |
446 | // TODO | |
447 | return FALSE; | |
448 | } | |
449 | ||
450 | /* | |
451 | * wxBitmapHandler | |
452 | */ | |
453 | ||
454 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) | |
455 | ||
456 | bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap), void *WXUNUSED(data), long WXUNUSED(type), | |
457 | int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth)) | |
458 | { | |
459 | return FALSE; | |
460 | } | |
461 | ||
462 | bool wxBitmapHandler::LoadFile(wxBitmap *WXUNUSED(bitmap), const wxString& WXUNUSED(name), long WXUNUSED(type), | |
463 | int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) | |
464 | { | |
465 | return FALSE; | |
466 | } | |
467 | ||
468 | bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), const wxString& WXUNUSED(name), int WXUNUSED(type), | |
469 | const wxPalette *WXUNUSED(palette)) | |
470 | { | |
471 | return FALSE; | |
472 | } | |
473 | ||
474 | /* | |
475 | * Standard handlers | |
476 | */ | |
477 | ||
478 | class WXDLLEXPORT wxXBMFileHandler: public wxBitmapHandler | |
479 | { | |
480 | DECLARE_DYNAMIC_CLASS(wxXBMFileHandler) | |
481 | public: | |
482 | inline wxXBMFileHandler() | |
483 | { | |
484 | m_name = "XBM file"; | |
485 | m_extension = "xbm"; | |
486 | m_type = wxBITMAP_TYPE_XBM; | |
487 | }; | |
488 | ||
489 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, | |
490 | int desiredWidth, int desiredHeight); | |
491 | }; | |
492 | IMPLEMENT_DYNAMIC_CLASS(wxXBMFileHandler, wxBitmapHandler) | |
493 | ||
494 | bool wxXBMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long WXUNUSED(flags), | |
495 | int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) | |
496 | { | |
497 | M_BITMAPHANDLERDATA->m_freePixmap = TRUE; | |
498 | ||
499 | int hotX, hotY; | |
500 | unsigned int w, h; | |
501 | Pixmap pixmap; | |
502 | ||
503 | Display *dpy = (Display*) wxGetDisplay(); | |
504 | M_BITMAPDATA->m_display = (WXDisplay*) dpy; | |
505 | ||
506 | int value = XReadBitmapFile (dpy, RootWindow (dpy, DefaultScreen (dpy)), | |
507 | (char*) (const char*) name, &w, &h, &pixmap, &hotX, &hotY); | |
508 | M_BITMAPHANDLERDATA->m_width = w; | |
509 | M_BITMAPHANDLERDATA->m_height = h; | |
510 | M_BITMAPHANDLERDATA->m_depth = 1; | |
511 | M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; | |
512 | ||
513 | if ((value == BitmapFileInvalid) || | |
514 | (value == BitmapOpenFailed) || | |
515 | (value == BitmapNoMemory)) | |
516 | { | |
517 | M_BITMAPHANDLERDATA->m_ok = FALSE; | |
518 | M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) 0; | |
519 | } | |
520 | else | |
521 | M_BITMAPHANDLERDATA->m_ok = TRUE; | |
522 | ||
523 | return M_BITMAPHANDLERDATA->m_ok ; | |
524 | } | |
525 | ||
526 | class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler | |
527 | { | |
528 | DECLARE_DYNAMIC_CLASS(wxXBMDataHandler) | |
529 | public: | |
530 | inline wxXBMDataHandler() | |
531 | { | |
532 | m_name = "XBM data"; | |
533 | m_extension = "xbm"; | |
534 | m_type = wxBITMAP_TYPE_XBM_DATA; | |
535 | }; | |
536 | ||
537 | virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); | |
538 | }; | |
539 | IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler) | |
540 | ||
541 | bool wxXBMDataHandler::Create( wxBitmap *bitmap, void *data, long WXUNUSED(flags), | |
542 | int width, int height, int WXUNUSED(depth)) | |
543 | { | |
544 | M_BITMAPHANDLERDATA->m_width = width; | |
545 | M_BITMAPHANDLERDATA->m_height = height; | |
546 | M_BITMAPHANDLERDATA->m_depth = 1; | |
547 | M_BITMAPHANDLERDATA->m_freePixmap = TRUE; | |
548 | ||
549 | Display *dpy = (Display*) wxGetDisplay(); | |
550 | M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; | |
551 | ||
552 | M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) XCreateBitmapFromData (dpy, RootWindow (dpy, DefaultScreen (dpy)), (char*) data, width, height); | |
553 | M_BITMAPHANDLERDATA->m_ok = (M_BITMAPHANDLERDATA->m_pixmap != (WXPixmap) 0) ; | |
554 | ||
555 | // code for wxControl. TODO: can we avoid doing this until we need it? | |
556 | // E.g. have CreateButtonPixmaps which is called on demand. | |
557 | XImage* image = (XImage *) XtMalloc (sizeof (XImage)); | |
558 | image->width = width; | |
559 | image->height = height; | |
560 | image->data = (char*) data; | |
561 | image->depth = 1; | |
562 | image->xoffset = 0; | |
563 | image->format = XYBitmap; | |
564 | image->byte_order = LSBFirst; | |
565 | image->bitmap_unit = 8; | |
566 | image->bitmap_bit_order = LSBFirst; | |
567 | image->bitmap_pad = 8; | |
568 | image->bytes_per_line = (width + 7) >> 3; | |
569 | ||
570 | char tmp[128]; | |
571 | sprintf (tmp, "Im%x", (unsigned int) image); | |
572 | XmInstallImage (image, tmp); | |
573 | ||
574 | // Build our manually stipped pixmap. | |
575 | ||
576 | int bpl = (width + 7) / 8; | |
577 | char *data1 = new char[height * bpl]; | |
578 | char* bits = (char*) data; | |
579 | int i; | |
580 | for (i = 0; i < height; i++) | |
581 | { | |
582 | int mask = i % 2 ? 0x55 : 0xaa; | |
583 | int j; | |
584 | for (j = 0; j < bpl; j++) | |
585 | data1[i * bpl + j] = bits[i * bpl + j] & mask; | |
586 | } | |
587 | XImage* insensImage = (XImage *) XtMalloc (sizeof (XImage)); | |
588 | insensImage->width = width; | |
589 | insensImage->height = height; | |
590 | insensImage->data = data1; | |
591 | insensImage->depth = 1; | |
592 | insensImage->xoffset = 0; | |
593 | insensImage->format = XYBitmap; | |
594 | insensImage->byte_order = LSBFirst; | |
595 | insensImage->bitmap_unit = 8; | |
596 | insensImage->bitmap_bit_order = LSBFirst; | |
597 | insensImage->bitmap_pad = 8; | |
598 | insensImage->bytes_per_line = bpl; | |
599 | ||
600 | sprintf (tmp, "Not%x", (unsigned int)insensImage); | |
601 | XmInstallImage (insensImage, tmp); | |
602 | ||
603 | M_BITMAPHANDLERDATA->m_image = (WXImage*) image; | |
604 | M_BITMAPHANDLERDATA->m_insensImage = (WXImage*) insensImage; | |
605 | ||
606 | return TRUE; | |
607 | } | |
608 | ||
609 | #if wxHAVE_LIB_XPM | |
610 | class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler | |
611 | { | |
612 | DECLARE_DYNAMIC_CLASS(wxXPMFileHandler) | |
613 | public: | |
614 | inline wxXPMFileHandler() | |
615 | { | |
616 | m_name = "XPM file"; | |
617 | m_extension = "xpm"; | |
618 | m_type = wxBITMAP_TYPE_XPM; | |
619 | }; | |
620 | ||
621 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, | |
622 | int desiredWidth, int desiredHeight); | |
623 | virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); | |
624 | }; | |
625 | ||
626 | IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) | |
627 | ||
628 | bool wxXPMFileHandler::LoadFile( wxBitmap *bitmap, const wxString& name, long WXUNUSED(flags), | |
629 | int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight) ) | |
630 | { | |
631 | Display *dpy = (Display*) wxGetDisplay(); | |
632 | M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; | |
633 | ||
634 | XpmAttributes xpmAttr; | |
635 | Pixmap pixmap; | |
636 | Pixmap mask = 0; | |
637 | ||
638 | M_BITMAPHANDLERDATA->m_ok = FALSE; | |
639 | xpmAttr.valuemask = XpmReturnInfos | XpmCloseness; | |
640 | xpmAttr.closeness = 40000; | |
641 | int errorStatus = XpmReadFileToPixmap(dpy, | |
642 | RootWindow(dpy, DefaultScreen(dpy)), (char*) (const char*) name, | |
643 | &pixmap, &mask, &xpmAttr); | |
644 | ||
645 | if (errorStatus == XpmSuccess) | |
646 | { | |
647 | M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; | |
648 | if ( mask ) | |
649 | { | |
650 | M_BITMAPHANDLERDATA->m_bitmapMask = new wxMask; | |
651 | M_BITMAPHANDLERDATA->m_bitmapMask->SetPixmap((WXPixmap) mask); | |
652 | } | |
653 | ||
654 | unsigned int depthRet; | |
655 | int xRet, yRet; | |
656 | unsigned int widthRet, heightRet, borderWidthRet; | |
657 | Window rootWindowRet; | |
658 | XGetGeometry(dpy, pixmap, &rootWindowRet, &xRet, &yRet, | |
659 | &widthRet, &heightRet, &borderWidthRet, &depthRet); | |
660 | ||
661 | M_BITMAPHANDLERDATA->m_width = xpmAttr.width; | |
662 | M_BITMAPHANDLERDATA->m_height = xpmAttr.height; | |
663 | ||
664 | /* | |
665 | if ( xpmAttr.npixels > 2 ) | |
666 | { | |
667 | M_BITMAPHANDLERDATA->m_depth = 8; // TODO: next time not just a guess :-) ... | |
668 | } else | |
669 | { | |
670 | M_BITMAPHANDLERDATA->m_depth = 1; // mono | |
671 | } | |
672 | */ | |
673 | ||
674 | M_BITMAPHANDLERDATA->m_depth = depthRet; | |
675 | ||
676 | M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; | |
677 | ||
678 | XpmFreeAttributes(&xpmAttr); | |
679 | ||
680 | M_BITMAPHANDLERDATA->m_ok = TRUE; | |
681 | return TRUE; | |
682 | } else | |
683 | { | |
684 | // XpmDebugError(errorStatus, name); | |
685 | M_BITMAPHANDLERDATA->m_ok = FALSE; | |
686 | return FALSE; | |
687 | } | |
688 | } | |
689 | ||
690 | bool wxXPMFileHandler::SaveFile( wxBitmap *bitmap, const wxString& name, int WXUNUSED(type), | |
691 | const wxPalette *WXUNUSED(palette)) | |
692 | { | |
693 | if (M_BITMAPHANDLERDATA->m_ok && M_BITMAPHANDLERDATA->m_pixmap) | |
694 | { | |
695 | Display *dpy = (Display*) M_BITMAPHANDLERDATA->m_display; | |
696 | int errorStatus = XpmWriteFileFromPixmap(dpy, (char*) (const char*) name, | |
697 | (Pixmap) M_BITMAPHANDLERDATA->m_pixmap, | |
698 | (M_BITMAPHANDLERDATA->m_bitmapMask ? (Pixmap) M_BITMAPHANDLERDATA->m_bitmapMask->GetPixmap() : (Pixmap) 0), | |
699 | (XpmAttributes *) NULL); | |
700 | if (errorStatus == XpmSuccess) | |
701 | return TRUE; | |
702 | else | |
703 | return FALSE; | |
704 | } | |
705 | else | |
706 | return FALSE; | |
707 | } | |
708 | ||
709 | class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler | |
710 | { | |
711 | DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) | |
712 | public: | |
713 | inline wxXPMDataHandler() | |
714 | { | |
715 | m_name = "XPM data"; | |
716 | m_extension = "xpm"; | |
717 | m_type = wxBITMAP_TYPE_XPM_DATA; | |
718 | }; | |
719 | ||
720 | virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); | |
721 | }; | |
722 | IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) | |
723 | ||
724 | bool wxXPMDataHandler::Create( wxBitmap *bitmap, void *data, long WXUNUSED(flags), | |
725 | int width, int height, int WXUNUSED(depth)) | |
726 | { | |
727 | M_BITMAPHANDLERDATA->m_width = width; | |
728 | M_BITMAPHANDLERDATA->m_height = height; | |
729 | M_BITMAPHANDLERDATA->m_depth = 1; | |
730 | M_BITMAPHANDLERDATA->m_freePixmap = TRUE; | |
731 | ||
732 | Display *dpy = (Display*) wxGetDisplay(); | |
733 | M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; | |
734 | ||
735 | XpmAttributes xpmAttr; | |
736 | ||
737 | xpmAttr.valuemask = XpmReturnInfos; /* nothing yet, but get infos back */ | |
738 | ||
739 | XpmColorSymbol symbolicColors[4]; | |
740 | if (sg_Control && sg_Control->GetMainWidget()) | |
741 | { | |
742 | symbolicColors[0].name = "foreground"; | |
743 | symbolicColors[0].value = NULL; | |
744 | symbolicColors[1].name = "background"; | |
745 | symbolicColors[1].value = NULL; | |
746 | XtVaGetValues((Widget) sg_Control->GetMainWidget(), | |
747 | XmNforeground, &symbolicColors[0].pixel, | |
748 | XmNbackground, &symbolicColors[1].pixel,NULL); | |
749 | xpmAttr.numsymbols = 2; | |
750 | xpmAttr.colorsymbols = symbolicColors; | |
751 | xpmAttr.valuemask |= XpmColorSymbols; // add flag | |
752 | } | |
753 | ||
754 | Pixmap pixmap; | |
755 | Pixmap mask = 0; | |
756 | int ErrorStatus = XpmCreatePixmapFromData(dpy, RootWindow(dpy, DefaultScreen(dpy)), | |
757 | (char**) data, &pixmap, &mask, &xpmAttr); | |
758 | if (ErrorStatus == XpmSuccess) | |
759 | { | |
760 | // Set attributes | |
761 | M_BITMAPHANDLERDATA->m_width = xpmAttr.width; | |
762 | M_BITMAPHANDLERDATA->m_height = xpmAttr.height; | |
763 | ||
764 | unsigned int depthRet; | |
765 | int xRet, yRet; | |
766 | unsigned int widthRet, heightRet, borderWidthRet; | |
767 | Window rootWindowRet; | |
768 | XGetGeometry(dpy, pixmap, &rootWindowRet, &xRet, &yRet, | |
769 | &widthRet, &heightRet, &borderWidthRet, &depthRet); | |
770 | ||
771 | /* | |
772 | if ( xpmAttr.npixels > 2 ) | |
773 | { | |
774 | M_BITMAPHANDLERDATA->m_depth = 8; // next time not just a guess :-) ... | |
775 | } else | |
776 | { | |
777 | M_BITMAPHANDLERDATA->m_depth = 1; // mono | |
778 | } | |
779 | */ | |
780 | ||
781 | M_BITMAPHANDLERDATA->m_depth = depthRet; | |
782 | ||
783 | M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; | |
784 | XpmFreeAttributes(&xpmAttr); | |
785 | M_BITMAPHANDLERDATA->m_ok = TRUE; | |
786 | M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; | |
787 | if ( mask ) | |
788 | { | |
789 | M_BITMAPHANDLERDATA->m_bitmapMask = new wxMask; | |
790 | M_BITMAPHANDLERDATA->m_bitmapMask->SetPixmap((WXPixmap) mask); | |
791 | } | |
792 | } | |
793 | else | |
794 | { | |
795 | // XpmDebugError(ErrorStatus, NULL); | |
796 | M_BITMAPHANDLERDATA->m_ok = FALSE; | |
797 | } | |
798 | return M_BITMAPHANDLERDATA->m_ok ; | |
799 | } | |
800 | ||
801 | #endif // wxHAVE_LIB_XPM | |
802 | ||
803 | void wxBitmap::CleanUpHandlers() | |
804 | { | |
805 | wxNode *node = sm_handlers.First(); | |
806 | while ( node ) | |
807 | { | |
808 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
809 | wxNode *next = node->Next(); | |
810 | delete handler; | |
811 | delete node; | |
812 | node = next; | |
813 | } | |
814 | } | |
815 | ||
816 | void wxBitmap::InitStandardHandlers() | |
817 | { | |
818 | // Initialize all standard bitmap or derived class handlers here. | |
819 | AddHandler(new wxXBMFileHandler); | |
820 | AddHandler(new wxXBMDataHandler); | |
821 | ||
822 | // XPM is considered standard for Motif, although it can be omitted if | |
823 | // libXpm is not installed | |
824 | #if wxHAVE_LIB_XPM | |
825 | AddHandler(new wxXPMFileHandler); | |
826 | AddHandler(new wxXPMDataHandler); | |
827 | #endif // wxHAVE_LIB_XPM | |
828 | } | |
829 | ||
830 | WXPixmap wxBitmap::GetLabelPixmap (WXWidget w) | |
831 | { | |
832 | if (M_BITMAPDATA->m_image == (WXPixmap) 0) | |
833 | return M_BITMAPDATA->m_pixmap; | |
834 | ||
835 | Display *dpy = (Display*) M_BITMAPDATA->m_display; | |
836 | ||
837 | #ifdef FOO | |
838 | /* | |
839 | If we do: | |
840 | if (labelPixmap) return labelPixmap; | |
841 | things can be wrong, because colors can have been changed. | |
842 | ||
843 | If we do: | |
844 | if (labelPixmap) | |
845 | XmDestroyPixmap(DefaultScreenOfDisplay(dpy),labelPixmap) ; | |
846 | we got BadDrawable if the pixmap is referenced by multiples widgets | |
847 | ||
848 | this is a catch22!! | |
849 | ||
850 | So, before doing thing really clean, I just do nothing; if the pixmap is | |
851 | referenced by many widgets, Motif performs caching functions. | |
852 | And if pixmap is referenced with multiples colors, we just have some | |
853 | memory leaks... I hope we can deal with them... | |
854 | */ | |
855 | // Must be destroyed, because colours can have been changed! | |
856 | if (M_BITMAPDATA->m_labelPixmap) | |
857 | XmDestroyPixmap (DefaultScreenOfDisplay (dpy), M_BITMAPDATA->m_labelPixmap); | |
858 | #endif | |
859 | ||
860 | char tmp[128]; | |
861 | sprintf (tmp, "Im%x", (unsigned int) M_BITMAPDATA->m_image); | |
862 | ||
863 | Pixel fg, bg; | |
864 | Widget widget = (Widget) w; | |
865 | ||
866 | while (XmIsGadget ( widget )) | |
867 | widget = XtParent (widget); | |
868 | XtVaGetValues (widget, XmNbackground, &bg, XmNforeground, &fg, NULL); | |
869 | ||
870 | M_BITMAPDATA->m_labelPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); | |
871 | ||
872 | return M_BITMAPDATA->m_labelPixmap; | |
873 | } | |
874 | ||
875 | WXPixmap wxBitmap::GetArmPixmap (WXWidget w) | |
876 | { | |
877 | if (M_BITMAPDATA->m_image == (WXPixmap) 0) | |
878 | return M_BITMAPDATA->m_pixmap; | |
879 | ||
880 | Display *dpy = (Display*) M_BITMAPDATA->m_display; | |
881 | #ifdef FOO | |
882 | // See GetLabelPixmap () comment | |
883 | ||
884 | // Must be destroyed, because colours can have been changed! | |
885 | if (M_BITMAPDATA->m_armPixmap) | |
886 | XmDestroyPixmap (DefaultScreenOfDisplay (dpy), M_BITMAPDATA->m_armPixmap); | |
887 | #endif | |
888 | ||
889 | char tmp[128]; | |
890 | sprintf (tmp, "Im%x", (unsigned int) M_BITMAPDATA->m_image); | |
891 | ||
892 | Pixel fg, bg; | |
893 | Widget widget = (Widget) w; | |
894 | ||
895 | XtVaGetValues (widget, XmNarmColor, &bg, NULL); | |
896 | while (XmIsGadget (widget)) | |
897 | widget = XtParent (widget); | |
898 | XtVaGetValues (widget, XmNforeground, &fg, NULL); | |
899 | ||
900 | M_BITMAPDATA->m_armPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); | |
901 | ||
902 | return M_BITMAPDATA->m_armPixmap; | |
903 | } | |
904 | ||
905 | WXPixmap wxBitmap::GetInsensPixmap (WXWidget w) | |
906 | { | |
907 | Display *dpy = (Display*) M_BITMAPDATA->m_display; | |
908 | ||
909 | if (M_BITMAPDATA->m_insensPixmap) | |
910 | return M_BITMAPDATA->m_insensPixmap; | |
911 | ||
912 | if (!w) | |
913 | { | |
914 | M_BITMAPDATA->m_insensPixmap = (WXPixmap) XCreateInsensitivePixmap(dpy, (Pixmap) M_BITMAPDATA->m_pixmap); | |
915 | if (M_BITMAPDATA->m_insensPixmap) | |
916 | return M_BITMAPDATA->m_insensPixmap; | |
917 | else | |
918 | return M_BITMAPDATA->m_pixmap; | |
919 | } | |
920 | ||
921 | if (M_BITMAPDATA->m_insensImage == (WXPixmap) 0) | |
922 | return M_BITMAPDATA->m_pixmap; | |
923 | ||
924 | #ifdef FOO | |
925 | See GetLabelPixmap () comment | |
926 | // Must be destroyed, because colours can have been changed! | |
927 | if (M_BITMAPDATA->m_insensPixmap) | |
928 | XmDestroyPixmap (DefaultScreenOfDisplay (dpy), (Pixmap) M_BITMAPDATA->m_insensPixmap); | |
929 | #endif | |
930 | ||
931 | char tmp[128]; | |
932 | sprintf (tmp, "Not%x", (unsigned int) M_BITMAPDATA->m_insensImage); | |
933 | ||
934 | Pixel fg, bg; | |
935 | Widget widget = (Widget) w; | |
936 | ||
937 | while (XmIsGadget (widget)) | |
938 | widget = XtParent (widget); | |
939 | XtVaGetValues (widget, XmNbackground, &bg, XmNforeground, &fg, NULL); | |
940 | ||
941 | M_BITMAPDATA->m_insensPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); | |
942 | ||
943 | return M_BITMAPDATA->m_insensPixmap; | |
944 | } | |
945 | ||
946 | // We may need this sometime... | |
947 | ||
948 | /**************************************************************************** | |
949 | ||
950 | NAME | |
951 | XCreateInsensitivePixmap - create a grayed-out copy of a pixmap | |
952 | ||
953 | SYNOPSIS | |
954 | Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) | |
955 | ||
956 | DESCRIPTION | |
957 | This function creates a grayed-out copy of the argument pixmap, suitable | |
958 | for use as a XmLabel's XmNlabelInsensitivePixmap resource. | |
959 | ||
960 | RETURN VALUES | |
961 | The return value is the new Pixmap id or zero on error. Errors include | |
962 | a NULL display argument or an invalid Pixmap argument. | |
963 | ||
964 | ERRORS | |
965 | If one of the XLib functions fail, it will produce a X error. The | |
966 | default X error handler prints a diagnostic and calls exit(). | |
967 | ||
968 | SEE ALSO | |
969 | XCopyArea(3), XCreateBitmapFromData(3), XCreateGC(3), XCreatePixmap(3), | |
970 | XFillRectangle(3), exit(2) | |
971 | ||
972 | AUTHOR | |
973 | John R Veregge - john@puente.jpl.nasa.gov | |
974 | Advanced Engineering and Prototyping Group (AEG) | |
975 | Information Systems Technology Section (395) | |
976 | Jet Propulsion Lab - Calif Institute of Technology | |
977 | ||
978 | *****************************************************************************/ | |
979 | ||
980 | Pixmap | |
981 | XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) | |
982 | ||
983 | { | |
984 | static char stipple_data[] = | |
985 | { | |
986 | 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, | |
987 | 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, | |
988 | 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, | |
989 | 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA | |
990 | }; | |
991 | GC gc; | |
992 | Pixmap ipixmap, stipple; | |
993 | unsigned width, height, depth; | |
994 | ||
995 | Window window; /* These return values */ | |
996 | unsigned border; /* from XGetGeometry() */ | |
997 | int x, y; /* are not needed. */ | |
998 | ||
999 | ipixmap = 0; | |
1000 | ||
1001 | if ( NULL == display || 0 == pixmap ) | |
1002 | return ipixmap; | |
1003 | ||
1004 | if ( 0 == XGetGeometry( display, pixmap, &window, &x, &y, | |
1005 | &width, &height, &border, &depth ) | |
1006 | ) | |
1007 | return ipixmap; /* BadDrawable: probably an invalid pixmap */ | |
1008 | ||
1009 | /* Get the stipple pixmap to be used to 'gray-out' the argument pixmap. | |
1010 | */ | |
1011 | stipple = XCreateBitmapFromData( display, pixmap, stipple_data, 16, 16 ); | |
1012 | if ( 0 != stipple ) | |
1013 | { | |
1014 | gc = XCreateGC( display, pixmap, (XtGCMask)0, (XGCValues*)NULL ); | |
1015 | if ( NULL != gc ) | |
1016 | { | |
1017 | /* Create an identical copy of the argument pixmap. | |
1018 | */ | |
1019 | ipixmap = XCreatePixmap( display, pixmap, width, height, depth ); | |
1020 | if ( 0 != ipixmap ) | |
1021 | { | |
1022 | /* Copy the argument pixmap into the new pixmap. | |
1023 | */ | |
1024 | XCopyArea( display, pixmap, ipixmap, | |
1025 | gc, 0, 0, width, height, 0, 0 ); | |
1026 | ||
1027 | /* Refill the new pixmap using the stipple algorithm/pixmap. | |
1028 | */ | |
1029 | XSetStipple( display, gc, stipple ); | |
1030 | XSetFillStyle( display, gc, FillStippled ); | |
1031 | XFillRectangle( display, ipixmap, gc, 0, 0, width, height ); | |
1032 | } | |
1033 | XFreeGC( display, gc ); | |
1034 | } | |
1035 | XFreePixmap( display, stipple ); | |
1036 | } | |
1037 | return ipixmap; | |
1038 | } | |
1039 | ||
1040 | // Creates a bitmap with transparent areas drawn in | |
1041 | // the given colour. | |
1042 | wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour) | |
1043 | { | |
1044 | wxBitmap newBitmap(bitmap.GetWidth(), | |
1045 | bitmap.GetHeight(), | |
1046 | bitmap.GetDepth()); | |
1047 | wxMemoryDC destDC; | |
1048 | wxMemoryDC srcDC; | |
1049 | srcDC.SelectObject(bitmap); | |
1050 | destDC.SelectObject(newBitmap); | |
1051 | ||
1052 | wxBrush brush(colour, wxSOLID); | |
1053 | destDC.SetOptimization(FALSE); | |
1054 | destDC.SetBackground(brush); | |
1055 | destDC.Clear(); | |
1056 | destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & srcDC, 0, 0, wxCOPY, TRUE); | |
1057 | ||
1058 | return newBitmap; | |
1059 | } | |
1060 | ||
1061 | ||
1062 | ||
1063 | ||
1064 | //----------------------------------------------------------------------------- | |
1065 | // wxImage conversion routines | |
1066 | //----------------------------------------------------------------------------- | |
1067 | ||
1068 | /* | |
1069 | ||
1070 | Date: Wed, 05 Jan 2000 11:45:40 +0100 | |
1071 | From: Frits Boel <boel@niob.knaw.nl> | |
1072 | To: julian.smart@ukonline.co.uk | |
1073 | Subject: Patch for Motif ConvertToBitmap | |
1074 | ||
1075 | Hi Julian, | |
1076 | ||
1077 | I've been working on a wxWin application for image processing. From the | |
1078 | beginning, I was surprised by the (lack of) speed of ConvertToBitmap, | |
1079 | till I looked in the source code of image.cpp. I saw that converting a | |
1080 | wxImage to a bitmap with 8-bit pixels is done with comparing every pixel | |
1081 | to the 256 colors of the palet. A very time-consuming piece of code! | |
1082 | ||
1083 | Because I wanted a faster application, I've made a 'patch' for this. In | |
1084 | short: every pixel of the image is compared to a sorted list with | |
1085 | colors. If the color is found in the list, the palette entry is | |
1086 | returned; if the color is not found, the color palette is searched and | |
1087 | then the palette entry is returned and the color added to the sorted | |
1088 | list. | |
1089 | ||
1090 | Maybe there is another method for this, namely changing the palette | |
1091 | itself (if the colors are known, as is the case with tiffs with a | |
1092 | colormap). I did not look at this, maybe someone else did? | |
1093 | ||
1094 | The code of the patch is attached, have a look on it, and maybe you will | |
1095 | ship it with the next release of wxMotif? | |
1096 | ||
1097 | Regards, | |
1098 | ||
1099 | Frits Boel | |
1100 | Software engineer at Hubrecht Laboratory, The Netherlands. | |
1101 | ||
1102 | */ | |
1103 | ||
1104 | class wxSearchColor | |
1105 | { | |
1106 | public: | |
1107 | wxSearchColor( void ); | |
1108 | wxSearchColor( int size, XColor *colors ); | |
1109 | ~wxSearchColor( void ); | |
1110 | ||
1111 | int SearchColor( int r, int g, int b ); | |
1112 | private: | |
1113 | int AddColor( unsigned int value, int pos ); | |
1114 | ||
1115 | int size; | |
1116 | XColor *colors; | |
1117 | unsigned int *color; | |
1118 | int *entry; | |
1119 | ||
1120 | int bottom; | |
1121 | int top; | |
1122 | }; | |
1123 | ||
1124 | wxSearchColor::wxSearchColor( void ) | |
1125 | { | |
1126 | size = 0; | |
1127 | colors = (XColor*) NULL; | |
1128 | color = (unsigned int *) NULL; | |
1129 | entry = (int*) NULL; | |
1130 | ||
1131 | bottom = 0; | |
1132 | top = 0; | |
1133 | } | |
1134 | ||
1135 | wxSearchColor::wxSearchColor( int size_, XColor *colors_ ) | |
1136 | { | |
1137 | int i; | |
1138 | size = size_; | |
1139 | colors = colors_; | |
1140 | color = new unsigned int[size]; | |
1141 | entry = new int [size]; | |
1142 | ||
1143 | for (i = 0; i < size; i++ ) { | |
1144 | entry[i] = -1; | |
1145 | } | |
1146 | ||
1147 | bottom = top = ( size >> 1 ); | |
1148 | } | |
1149 | ||
1150 | wxSearchColor::~wxSearchColor( void ) | |
1151 | { | |
1152 | if ( color ) delete color; | |
1153 | if ( entry ) delete entry; | |
1154 | } | |
1155 | ||
1156 | int wxSearchColor::SearchColor( int r, int g, int b ) | |
1157 | { | |
1158 | unsigned int value = ( ( ( r * 256 ) + g ) * 256 ) + b; | |
1159 | int begin = bottom; | |
1160 | int end = top; | |
1161 | int middle = 0; | |
1162 | ||
1163 | while ( begin <= end ) { | |
1164 | ||
1165 | middle = ( begin + end ) >> 1; | |
1166 | ||
1167 | if ( value == color[middle] ) { | |
1168 | return( entry[middle] ); | |
1169 | } else if ( value < color[middle] ) { | |
1170 | end = middle - 1; | |
1171 | } else { | |
1172 | begin = middle + 1; | |
1173 | } | |
1174 | ||
1175 | } | |
1176 | ||
1177 | return AddColor( value, middle ); | |
1178 | } | |
1179 | ||
1180 | int wxSearchColor::AddColor( unsigned int value, int pos ) | |
1181 | { | |
1182 | int i; | |
1183 | int pixel = -1; | |
1184 | int max = 3 * (65536); | |
1185 | for ( i = 0; i < 256; i++ ) { | |
1186 | int rdiff = ((value >> 8) & 0xFF00 ) - colors[i].red; | |
1187 | int gdiff = ((value ) & 0xFF00 ) - colors[i].green; | |
1188 | int bdiff = ((value << 8) & 0xFF00 ) - colors[i].blue; | |
1189 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); | |
1190 | if (sum < max) { pixel = i; max = sum; } | |
1191 | } | |
1192 | ||
1193 | if ( entry[pos] < 0 ) { | |
1194 | color[pos] = value; | |
1195 | entry[pos] = pixel; | |
1196 | } else if ( value < color[pos] ) { | |
1197 | ||
1198 | if ( bottom > 0 ) { | |
1199 | for ( i = bottom; i < pos; i++ ) { | |
1200 | color[i-1] = color[i]; | |
1201 | entry[i-1] = entry[i]; | |
1202 | } | |
1203 | bottom--; | |
1204 | color[pos-1] = value; | |
1205 | entry[pos-1] = pixel; | |
1206 | } else if ( top < size-1 ) { | |
1207 | for ( i = top; i >= pos; i-- ) { | |
1208 | color[i+1] = color[i]; | |
1209 | entry[i+1] = entry[i]; | |
1210 | } | |
1211 | top++; | |
1212 | color[pos] = value; | |
1213 | entry[pos] = pixel; | |
1214 | } | |
1215 | ||
1216 | } else { | |
1217 | ||
1218 | if ( top < size-1 ) { | |
1219 | for ( i = top; i > pos; i-- ) { | |
1220 | color[i+1] = color[i]; | |
1221 | entry[i+1] = entry[i]; | |
1222 | } | |
1223 | top++; | |
1224 | color[pos+1] = value; | |
1225 | entry[pos+1] = pixel; | |
1226 | } else if ( bottom > 0 ) { | |
1227 | for ( i = bottom; i < pos; i++ ) { | |
1228 | color[i-1] = color[i]; | |
1229 | entry[i-1] = entry[i]; | |
1230 | } | |
1231 | bottom--; | |
1232 | color[pos] = value; | |
1233 | entry[pos] = pixel; | |
1234 | } | |
1235 | ||
1236 | } | |
1237 | ||
1238 | return( pixel ); | |
1239 | } | |
1240 | ||
1241 | ||
1242 | bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) | |
1243 | { | |
1244 | wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) | |
1245 | wxCHECK_MSG( depth == -1, FALSE, wxT("invalid bitmap depth") ) | |
1246 | ||
1247 | m_refData = new wxBitmapRefData(); | |
1248 | ||
1249 | int width = image.GetWidth(); | |
1250 | int height = image.GetHeight(); | |
1251 | ||
1252 | SetHeight( height ); | |
1253 | SetWidth( width ); | |
1254 | ||
1255 | Display *dpy = (Display*) wxGetDisplay(); | |
1256 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1257 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
1258 | ||
1259 | // Create image | |
1260 | ||
1261 | XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); | |
1262 | data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); | |
1263 | ||
1264 | Create( width, height, bpp ); | |
1265 | ||
1266 | // Create mask | |
1267 | ||
1268 | XImage *mask_image = (XImage*) NULL; | |
1269 | if (image.HasMask()) | |
1270 | { | |
1271 | mask_image = XCreateImage( dpy, vis, 1, ZPixmap, 0, 0, width, height, 32, 0 ); | |
1272 | mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height ); | |
1273 | } | |
1274 | ||
1275 | // Retrieve depth info | |
1276 | ||
1277 | XVisualInfo vinfo_template; | |
1278 | XVisualInfo *vi; | |
1279 | ||
1280 | vinfo_template.visual = vis; | |
1281 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1282 | vinfo_template.depth = bpp; | |
1283 | int nitem = 0; | |
1284 | ||
1285 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); | |
1286 | ||
1287 | wxCHECK_MSG( vi, FALSE, wxT("no visual") ); | |
1288 | ||
1289 | XFree( vi ); | |
1290 | ||
1291 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; | |
1292 | if (bpp < 8) bpp = 8; | |
1293 | ||
1294 | // Render | |
1295 | ||
1296 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; | |
1297 | byte_order b_o = RGB; | |
1298 | ||
1299 | if (bpp >= 24) | |
1300 | { | |
1301 | if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; | |
1302 | else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; | |
1303 | else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; | |
1304 | else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; | |
1305 | else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB; | |
1306 | else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR; | |
1307 | } | |
1308 | ||
1309 | int r_mask = image.GetMaskRed(); | |
1310 | int g_mask = image.GetMaskGreen(); | |
1311 | int b_mask = image.GetMaskBlue(); | |
1312 | ||
1313 | XColor colors[256]; | |
1314 | if (bpp == 8) | |
1315 | { | |
1316 | Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); | |
1317 | ||
1318 | for (int i = 0; i < 256; i++) colors[i].pixel = i; | |
1319 | XQueryColors( dpy, cmap, colors, 256 ); | |
1320 | } | |
1321 | ||
1322 | wxSearchColor scolor( 256, colors ); | |
1323 | unsigned char* data = image.GetData(); | |
1324 | ||
1325 | bool hasMask = image.HasMask(); | |
1326 | ||
1327 | int index = 0; | |
1328 | for (int y = 0; y < height; y++) | |
1329 | { | |
1330 | for (int x = 0; x < width; x++) | |
1331 | { | |
1332 | int r = data[index]; | |
1333 | index++; | |
1334 | int g = data[index]; | |
1335 | index++; | |
1336 | int b = data[index]; | |
1337 | index++; | |
1338 | ||
1339 | if (hasMask) | |
1340 | { | |
1341 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1342 | XPutPixel( mask_image, x, y, 0 ); | |
1343 | else | |
1344 | XPutPixel( mask_image, x, y, 1 ); | |
1345 | } | |
1346 | ||
1347 | switch (bpp) | |
1348 | { | |
1349 | case 8: | |
1350 | { | |
1351 | #if 0 // Old, slower code | |
1352 | int pixel = -1; | |
1353 | /* | |
1354 | if (wxTheApp->m_colorCube) | |
1355 | { | |
1356 | pixel = wxTheApp->m_colorCube | |
1357 | [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; | |
1358 | } | |
1359 | else | |
1360 | { | |
1361 | */ | |
1362 | int max = 3 * (65536); | |
1363 | for (int i = 0; i < 256; i++) | |
1364 | { | |
1365 | int rdiff = (r << 8) - colors[i].red; | |
1366 | int gdiff = (g << 8) - colors[i].green; | |
1367 | int bdiff = (b << 8) - colors[i].blue; | |
1368 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); | |
1369 | if (sum < max) { pixel = i; max = sum; } | |
1370 | } | |
1371 | /* | |
1372 | } | |
1373 | */ | |
1374 | #endif | |
1375 | ||
1376 | // And this is all to get the 'right' color... | |
1377 | int pixel = scolor.SearchColor( r, g, b ); | |
1378 | XPutPixel( data_image, x, y, pixel ); | |
1379 | break; | |
1380 | } | |
1381 | case 15: | |
1382 | { | |
1383 | int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1384 | XPutPixel( data_image, x, y, pixel ); | |
1385 | break; | |
1386 | } | |
1387 | case 16: | |
1388 | { | |
1389 | int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1390 | XPutPixel( data_image, x, y, pixel ); | |
1391 | break; | |
1392 | } | |
1393 | case 32: | |
1394 | case 24: | |
1395 | { | |
1396 | int pixel = 0; | |
1397 | switch (b_o) | |
1398 | { | |
1399 | case RGB: pixel = (r << 16) | (g << 8) | b; break; | |
1400 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1401 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1402 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1403 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1404 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
1405 | } | |
1406 | XPutPixel( data_image, x, y, pixel ); | |
1407 | } | |
1408 | default: break; | |
1409 | } | |
1410 | } // for | |
1411 | } // for | |
1412 | ||
1413 | // Blit picture | |
1414 | ||
1415 | XGCValues gcvalues; | |
1416 | gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); | |
1417 | GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); | |
1418 | XPutImage( dpy, (Drawable)GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); | |
1419 | ||
1420 | XDestroyImage( data_image ); | |
1421 | XFreeGC( dpy, gc ); | |
1422 | ||
1423 | // Blit mask | |
1424 | if (image.HasMask()) | |
1425 | { | |
1426 | wxBitmap maskBitmap(width, height, 1); | |
1427 | ||
1428 | GC gcMask = XCreateGC( dpy, (Pixmap) maskBitmap.GetPixmap(), (XtGCMask) 0, (XGCValues*)NULL ); | |
1429 | XPutImage( dpy, (Drawable)maskBitmap.GetPixmap(), gcMask, mask_image, 0, 0, 0, 0, width, height ); | |
1430 | ||
1431 | XDestroyImage( mask_image ); | |
1432 | XFreeGC( dpy, gcMask ); | |
1433 | ||
1434 | wxMask* mask = new wxMask; | |
1435 | mask->SetPixmap(maskBitmap.GetPixmap()); | |
1436 | ||
1437 | SetMask(mask); | |
1438 | ||
1439 | maskBitmap.SetPixmapNull(); | |
1440 | } | |
1441 | ||
1442 | ||
1443 | return TRUE; | |
1444 | } | |
1445 | ||
1446 | wxImage wxBitmap::ConvertToImage() const | |
1447 | { | |
1448 | wxImage image; | |
1449 | ||
1450 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); | |
1451 | ||
1452 | Display *dpy = (Display*) wxGetDisplay(); | |
1453 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1454 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
1455 | ||
1456 | XImage *ximage = XGetImage( dpy, | |
1457 | (Drawable)GetPixmap(), | |
1458 | 0, 0, | |
1459 | GetWidth(), GetHeight(), | |
1460 | AllPlanes, ZPixmap ); | |
1461 | ||
1462 | wxCHECK_MSG( ximage, wxNullImage, wxT("couldn't create image") ); | |
1463 | ||
1464 | image.Create( GetWidth(), GetHeight() ); | |
1465 | char unsigned *data = image.GetData(); | |
1466 | ||
1467 | if (!data) | |
1468 | { | |
1469 | XDestroyImage( ximage ); | |
1470 | wxFAIL_MSG( wxT("couldn't create image") ); | |
1471 | return wxNullImage; | |
1472 | } | |
1473 | ||
1474 | /* | |
1475 | GdkImage *gdk_image_mask = (GdkImage*) NULL; | |
1476 | if (GetMask()) | |
1477 | { | |
1478 | gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), | |
1479 | 0, 0, | |
1480 | GetWidth(), GetHeight() ); | |
1481 | ||
1482 | image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable | |
1483 | } | |
1484 | */ | |
1485 | ||
1486 | // Retrieve depth info | |
1487 | ||
1488 | XVisualInfo vinfo_template; | |
1489 | XVisualInfo *vi; | |
1490 | ||
1491 | vinfo_template.visual = vis; | |
1492 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1493 | vinfo_template.depth = bpp; | |
1494 | int nitem = 0; | |
1495 | ||
1496 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); | |
1497 | ||
1498 | wxCHECK_MSG( vi, wxNullImage, wxT("no visual") ); | |
1499 | ||
1500 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; | |
1501 | ||
1502 | XFree( vi ); | |
1503 | ||
1504 | XColor colors[256]; | |
1505 | if (bpp == 8) | |
1506 | { | |
1507 | Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); | |
1508 | ||
1509 | for (int i = 0; i < 256; i++) colors[i].pixel = i; | |
1510 | XQueryColors( dpy, cmap, colors, 256 ); | |
1511 | } | |
1512 | ||
1513 | long pos = 0; | |
1514 | for (int j = 0; j < GetHeight(); j++) | |
1515 | { | |
1516 | for (int i = 0; i < GetWidth(); i++) | |
1517 | { | |
1518 | int pixel = XGetPixel( ximage, i, j ); | |
1519 | if (bpp <= 8) | |
1520 | { | |
1521 | data[pos] = colors[pixel].red >> 8; | |
1522 | data[pos+1] = colors[pixel].green >> 8; | |
1523 | data[pos+2] = colors[pixel].blue >> 8; | |
1524 | } else if (bpp == 15) | |
1525 | { | |
1526 | data[pos] = (pixel >> 7) & 0xf8; | |
1527 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1528 | data[pos+2] = (pixel << 3) & 0xf8; | |
1529 | } else if (bpp == 16) | |
1530 | { | |
1531 | data[pos] = (pixel >> 8) & 0xf8; | |
1532 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1533 | data[pos+2] = (pixel << 3) & 0xf8; | |
1534 | } else | |
1535 | { | |
1536 | data[pos] = (pixel >> 16) & 0xff; | |
1537 | data[pos+1] = (pixel >> 8) & 0xff; | |
1538 | data[pos+2] = pixel & 0xff; | |
1539 | } | |
1540 | ||
1541 | /* | |
1542 | if (gdk_image_mask) | |
1543 | { | |
1544 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1545 | if (mask_pixel == 0) | |
1546 | { | |
1547 | data[pos] = 16; | |
1548 | data[pos+1] = 16; | |
1549 | data[pos+2] = 16; | |
1550 | } | |
1551 | } | |
1552 | */ | |
1553 | ||
1554 | pos += 3; | |
1555 | } | |
1556 | } | |
1557 | ||
1558 | XDestroyImage( ximage ); | |
1559 | /* | |
1560 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1561 | */ | |
1562 | ||
1563 | return image; | |
1564 | } |