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1 | //////////////////////////////////////////////////////////////////////////// |
2 | // Name: bitmap.cpp | |
3 | // Purpose: wxBitmap | |
4 | // Author: William Osborne | |
5 | // Modified by: | |
6 | // Created: 10/08/04 | |
4055ed82 | 7 | // RCS-ID: $Id: |
ffecfa5a JS |
8 | // Copyright: (c) William Osborne |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "bitmap.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include <stdio.h> | |
33 | ||
34 | #include "wx/list.h" | |
35 | #include "wx/utils.h" | |
36 | #include "wx/app.h" | |
37 | #include "wx/palette.h" | |
38 | #include "wx/dcmemory.h" | |
39 | #include "wx/bitmap.h" | |
40 | #include "wx/icon.h" | |
41 | #endif | |
42 | ||
43 | #include "wx/log.h" | |
44 | ||
45 | #if wxUSE_WXDIB | |
46 | #include "wx/palmos/dib.h" | |
47 | #endif | |
48 | ||
49 | #include "wx/image.h" | |
50 | #include "wx/xpmdecod.h" | |
51 | ||
52 | #ifdef wxHAVE_RAW_BITMAP | |
53 | #include "wx/rawbmp.h" | |
54 | #endif | |
55 | ||
56 | // missing from mingw32 header | |
57 | #ifndef CLR_INVALID | |
58 | #define CLR_INVALID ((COLORREF)-1) | |
59 | #endif // no CLR_INVALID | |
60 | ||
61 | // ---------------------------------------------------------------------------- | |
62 | // Bitmap data | |
63 | // ---------------------------------------------------------------------------- | |
64 | ||
65 | class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData | |
66 | { | |
67 | public: | |
68 | wxBitmapRefData(); | |
69 | virtual ~wxBitmapRefData() { Free(); } | |
70 | ||
71 | virtual void Free(); | |
72 | ||
73 | // set the mask object to use as the mask, we take ownership of it | |
74 | void SetMask(wxMask *mask) | |
75 | { | |
76 | delete m_bitmapMask; | |
77 | m_bitmapMask = mask; | |
78 | } | |
79 | ||
80 | // return the mask | |
81 | wxMask *GetMask() const { return m_bitmapMask; } | |
82 | ||
83 | public: | |
84 | #if wxUSE_PALETTE | |
85 | wxPalette m_bitmapPalette; | |
86 | #endif // wxUSE_PALETTE | |
87 | ||
88 | #ifdef __WXDEBUG__ | |
89 | wxDC *m_selectedInto; | |
90 | #endif // __WXDEBUG__ | |
91 | ||
92 | #if wxUSE_WXDIB | |
93 | wxDIB *m_dib; | |
94 | #endif | |
95 | ||
96 | bool m_hasAlpha; | |
97 | ||
98 | bool m_isDIB; | |
99 | ||
100 | private: | |
101 | wxMask *m_bitmapMask; | |
102 | ||
103 | DECLARE_NO_COPY_CLASS(wxBitmapRefData) | |
104 | }; | |
105 | ||
106 | // ---------------------------------------------------------------------------- | |
107 | // macros | |
108 | // ---------------------------------------------------------------------------- | |
109 | ||
110 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) | |
111 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) | |
112 | ||
113 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) | |
114 | ||
115 | // ============================================================================ | |
116 | // implementation | |
117 | // ============================================================================ | |
118 | ||
119 | // ---------------------------------------------------------------------------- | |
120 | // helper functions | |
121 | // ---------------------------------------------------------------------------- | |
122 | ||
123 | #if !wxUSE_WXDIB | |
124 | #define NEVER_USE_DIB | |
125 | #else | |
126 | static inline bool wxShouldCreateDIB(int w, int h, int d, WXHDC hdc) | |
127 | { | |
128 | // here is the logic: | |
129 | // | |
130 | // (a) if hdc is specified, the caller explicitly wants DDB | |
131 | // (b) otherwise, create a DIB if depth >= 24 (we don't support 16bpp | |
132 | // or less DIBs anyhow) | |
133 | // (c) finally, create DIBs under Win9x even if the depth hasn't been | |
134 | // explicitly specified but the current display depth is 24 or | |
135 | // more and the image is "big", i.e. > 16Mb which is the | |
136 | // theoretical limit for DDBs under Win9x | |
137 | // | |
138 | // consequences (all of which seem to make sense): | |
139 | // | |
140 | // (i) by default, DDBs are created (depth == -1 usually) | |
141 | // (ii) DIBs can be created by explicitly specifying the depth | |
142 | // (iii) using a DC always forces creating a DDB | |
143 | return !hdc && | |
144 | (d >= 24 || | |
145 | (d == -1 && | |
146 | wxDIB::GetLineSize(w, wxDisplayDepth())*h > 16*1024*1024)); | |
147 | } | |
148 | ||
149 | #define SOMETIMES_USE_DIB | |
150 | #endif // different DIB usage scenarious | |
151 | ||
152 | // ---------------------------------------------------------------------------- | |
153 | // wxBitmapRefData | |
154 | // ---------------------------------------------------------------------------- | |
155 | ||
156 | wxBitmapRefData::wxBitmapRefData() | |
157 | { | |
158 | #ifdef __WXDEBUG__ | |
159 | m_selectedInto = NULL; | |
160 | #endif | |
161 | m_bitmapMask = NULL; | |
162 | ||
163 | m_hBitmap = (WXHBITMAP) NULL; | |
164 | #if wxUSE_WXDIB | |
165 | m_dib = NULL; | |
166 | #endif | |
167 | ||
168 | m_isDIB = | |
4055ed82 | 169 | m_hasAlpha = false; |
ffecfa5a JS |
170 | } |
171 | ||
172 | void wxBitmapRefData::Free() | |
173 | { | |
174 | } | |
175 | ||
176 | // ---------------------------------------------------------------------------- | |
177 | // wxBitmap creation | |
178 | // ---------------------------------------------------------------------------- | |
179 | ||
180 | // this function should be called from all wxBitmap ctors | |
181 | void wxBitmap::Init() | |
182 | { | |
183 | } | |
184 | ||
185 | wxGDIImageRefData *wxBitmap::CreateData() const | |
186 | { | |
187 | return NULL; | |
188 | } | |
189 | ||
ffecfa5a JS |
190 | bool wxBitmap::CopyFromCursor(const wxCursor& cursor) |
191 | { | |
4055ed82 | 192 | return false; |
ffecfa5a JS |
193 | } |
194 | ||
195 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) | |
196 | { | |
4055ed82 | 197 | return false; |
ffecfa5a JS |
198 | } |
199 | ||
200 | #ifndef NEVER_USE_DIB | |
201 | ||
202 | bool wxBitmap::CopyFromDIB(const wxDIB& dib) | |
203 | { | |
4055ed82 | 204 | return false: |
ffecfa5a JS |
205 | } |
206 | ||
207 | #endif // NEVER_USE_DIB | |
208 | ||
209 | wxBitmap::~wxBitmap() | |
210 | { | |
211 | } | |
212 | ||
213 | wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) | |
214 | { | |
215 | Init(); | |
216 | } | |
217 | ||
218 | // Create from XPM data | |
219 | #if wxUSE_IMAGE && wxUSE_XPM | |
220 | bool wxBitmap::CreateFromXpm(const char **data) | |
221 | #else | |
222 | bool wxBitmap::CreateFromXpm(const char **WXUNUSED(data)) | |
223 | #endif | |
224 | { | |
4055ed82 | 225 | return false; |
ffecfa5a JS |
226 | } |
227 | ||
228 | wxBitmap::wxBitmap(int w, int h, int d) | |
229 | { | |
230 | } | |
231 | ||
232 | wxBitmap::wxBitmap(int w, int h, const wxDC& dc) | |
233 | { | |
234 | } | |
235 | ||
236 | wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) | |
237 | { | |
238 | } | |
239 | ||
240 | wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type) | |
241 | { | |
242 | } | |
243 | ||
244 | bool wxBitmap::Create(int width, int height, int depth) | |
245 | { | |
4055ed82 | 246 | return false; |
ffecfa5a JS |
247 | } |
248 | ||
249 | bool wxBitmap::Create(int width, int height, const wxDC& dc) | |
250 | { | |
4055ed82 | 251 | return false; |
ffecfa5a JS |
252 | } |
253 | ||
254 | bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc) | |
255 | { | |
4055ed82 | 256 | return false; |
ffecfa5a JS |
257 | } |
258 | ||
259 | #if wxUSE_IMAGE | |
260 | ||
261 | // ---------------------------------------------------------------------------- | |
262 | // wxImage to/from conversions | |
263 | // ---------------------------------------------------------------------------- | |
264 | ||
265 | #if wxUSE_WXDIB | |
266 | ||
267 | bool wxBitmap::CreateFromImage(const wxImage& image, int depth) | |
268 | { | |
4055ed82 | 269 | return false; |
ffecfa5a JS |
270 | } |
271 | ||
272 | bool wxBitmap::CreateFromImage(const wxImage& image, const wxDC& dc) | |
273 | { | |
4055ed82 | 274 | return false; |
ffecfa5a JS |
275 | } |
276 | ||
277 | bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc) | |
278 | { | |
4055ed82 | 279 | return false; |
ffecfa5a JS |
280 | } |
281 | ||
282 | wxImage wxBitmap::ConvertToImage() const | |
283 | { | |
284 | wxImage image; | |
285 | return image; | |
286 | } | |
287 | ||
288 | #endif // wxUSE_WXDIB | |
289 | ||
290 | #endif // wxUSE_IMAGE | |
291 | ||
292 | // ---------------------------------------------------------------------------- | |
293 | // loading and saving bitmaps | |
294 | // ---------------------------------------------------------------------------- | |
295 | ||
296 | bool wxBitmap::LoadFile(const wxString& filename, long type) | |
297 | { | |
4055ed82 | 298 | return false; |
ffecfa5a JS |
299 | } |
300 | ||
301 | bool wxBitmap::Create(void *data, long type, int width, int height, int depth) | |
302 | { | |
4055ed82 | 303 | return false; |
ffecfa5a JS |
304 | } |
305 | ||
306 | bool wxBitmap::SaveFile(const wxString& filename, | |
307 | int type, | |
308 | const wxPalette *palette) | |
309 | { | |
4055ed82 | 310 | return false; |
ffecfa5a JS |
311 | } |
312 | ||
313 | // ---------------------------------------------------------------------------- | |
314 | // sub bitmap extraction | |
315 | // ---------------------------------------------------------------------------- | |
316 | ||
317 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const | |
318 | { | |
319 | wxBitmap ret( 0, 0 ); | |
320 | return ret; | |
321 | } | |
322 | ||
323 | // ---------------------------------------------------------------------------- | |
324 | // wxBitmap accessors | |
325 | // ---------------------------------------------------------------------------- | |
326 | ||
327 | #if wxUSE_PALETTE | |
328 | wxPalette* wxBitmap::GetPalette() const | |
329 | { | |
330 | return (wxPalette *) NULL; | |
331 | } | |
332 | #endif | |
333 | ||
334 | wxMask *wxBitmap::GetMask() const | |
335 | { | |
336 | return (wxMask *) NULL; | |
337 | } | |
338 | ||
339 | #ifdef __WXDEBUG__ | |
340 | ||
341 | wxDC *wxBitmap::GetSelectedInto() const | |
342 | { | |
343 | return (wxDC *) NULL; | |
344 | } | |
345 | ||
346 | #endif | |
347 | ||
348 | #if WXWIN_COMPATIBILITY_2_4 | |
349 | ||
350 | int wxBitmap::GetQuality() const | |
351 | { | |
352 | return 0; | |
353 | } | |
354 | ||
355 | #endif // WXWIN_COMPATIBILITY_2_4 | |
356 | ||
357 | void wxBitmap::UseAlpha() | |
358 | { | |
359 | } | |
360 | ||
361 | bool wxBitmap::HasAlpha() const | |
362 | { | |
4055ed82 | 363 | return false; |
ffecfa5a JS |
364 | } |
365 | ||
366 | // ---------------------------------------------------------------------------- | |
367 | // wxBitmap setters | |
368 | // ---------------------------------------------------------------------------- | |
369 | ||
370 | #ifdef __WXDEBUG__ | |
371 | ||
372 | void wxBitmap::SetSelectedInto(wxDC *dc) | |
373 | { | |
374 | } | |
375 | ||
376 | #endif | |
377 | ||
378 | #if wxUSE_PALETTE | |
379 | ||
380 | void wxBitmap::SetPalette(const wxPalette& palette) | |
381 | { | |
382 | } | |
383 | ||
384 | #endif // wxUSE_PALETTE | |
385 | ||
386 | void wxBitmap::SetMask(wxMask *mask) | |
387 | { | |
388 | } | |
389 | ||
390 | #if WXWIN_COMPATIBILITY_2_4 | |
391 | ||
392 | void wxBitmap::SetQuality(int WXUNUSED(quality)) | |
393 | { | |
394 | } | |
395 | ||
396 | #endif // WXWIN_COMPATIBILITY_2_4 | |
397 | ||
398 | // ---------------------------------------------------------------------------- | |
399 | // raw bitmap access support | |
400 | // ---------------------------------------------------------------------------- | |
401 | ||
402 | #ifdef wxHAVE_RAW_BITMAP | |
403 | void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) | |
404 | { | |
405 | return NULL; | |
406 | } | |
407 | ||
408 | void wxBitmap::UngetRawData(wxPixelDataBase& dataBase) | |
409 | { | |
410 | return; | |
411 | } | |
412 | #endif // #ifdef wxHAVE_RAW_BITMAP | |
413 | ||
414 | // ---------------------------------------------------------------------------- | |
415 | // wxMask | |
416 | // ---------------------------------------------------------------------------- | |
417 | ||
418 | wxMask::wxMask() | |
419 | { | |
420 | m_maskBitmap = 0; | |
421 | } | |
422 | ||
423 | // Construct a mask from a bitmap and a colour indicating | |
424 | // the transparent area | |
425 | wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) | |
426 | { | |
427 | } | |
428 | ||
429 | // Construct a mask from a bitmap and a palette index indicating | |
430 | // the transparent area | |
431 | wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) | |
432 | { | |
433 | } | |
434 | ||
435 | // Construct a mask from a mono bitmap (copies the bitmap). | |
436 | wxMask::wxMask(const wxBitmap& bitmap) | |
437 | { | |
438 | } | |
439 | ||
440 | wxMask::~wxMask() | |
441 | { | |
442 | } | |
443 | ||
444 | // Create a mask from a mono bitmap (copies the bitmap). | |
445 | bool wxMask::Create(const wxBitmap& bitmap) | |
446 | { | |
4055ed82 | 447 | return false; |
ffecfa5a JS |
448 | } |
449 | ||
450 | // Create a mask from a bitmap and a palette index indicating | |
451 | // the transparent area | |
452 | bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) | |
453 | { | |
4055ed82 | 454 | return false; |
ffecfa5a JS |
455 | } |
456 | ||
457 | // Create a mask from a bitmap and a colour indicating | |
458 | // the transparent area | |
459 | bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) | |
460 | { | |
4055ed82 | 461 | return false; |
ffecfa5a JS |
462 | } |
463 | ||
464 | // ---------------------------------------------------------------------------- | |
465 | // wxBitmapHandler | |
466 | // ---------------------------------------------------------------------------- | |
467 | ||
468 | bool wxBitmapHandler::Create(wxGDIImage *image, | |
469 | void *data, | |
470 | long flags, | |
471 | int width, int height, int depth) | |
472 | { | |
4055ed82 | 473 | return false; |
ffecfa5a JS |
474 | } |
475 | ||
476 | bool wxBitmapHandler::Load(wxGDIImage *image, | |
477 | const wxString& name, | |
478 | long flags, | |
479 | int width, int height) | |
480 | { | |
4055ed82 | 481 | return false; |
ffecfa5a JS |
482 | } |
483 | ||
484 | bool wxBitmapHandler::Save(wxGDIImage *image, | |
485 | const wxString& name, | |
486 | int type) | |
487 | { | |
4055ed82 | 488 | return false; |
ffecfa5a JS |
489 | } |
490 | ||
491 | bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap), | |
492 | void *WXUNUSED(data), | |
493 | long WXUNUSED(type), | |
494 | int WXUNUSED(width), | |
495 | int WXUNUSED(height), | |
496 | int WXUNUSED(depth)) | |
497 | { | |
4055ed82 | 498 | return false; |
ffecfa5a JS |
499 | } |
500 | ||
501 | bool wxBitmapHandler::LoadFile(wxBitmap *WXUNUSED(bitmap), | |
502 | const wxString& WXUNUSED(name), | |
503 | long WXUNUSED(type), | |
504 | int WXUNUSED(desiredWidth), | |
505 | int WXUNUSED(desiredHeight)) | |
506 | { | |
4055ed82 | 507 | return false; |
ffecfa5a JS |
508 | } |
509 | ||
510 | bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), | |
511 | const wxString& WXUNUSED(name), | |
512 | int WXUNUSED(type), | |
513 | const wxPalette *WXUNUSED(palette)) | |
514 | { | |
4055ed82 | 515 | return false; |
ffecfa5a | 516 | } |