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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: bitmap.cpp | |
3 | // Purpose: wxBitmap | |
4 | // Author: AUTHOR | |
5 | // Modified by: | |
6 | // Created: ??/??/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) AUTHOR | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "bitmap.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/setup.h" | |
17 | #include "wx/utils.h" | |
18 | #include "wx/palette.h" | |
19 | #include "wx/bitmap.h" | |
20 | #include "wx/icon.h" | |
21 | #include "wx/log.h" | |
22 | ||
23 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) | |
24 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) | |
25 | ||
26 | wxBitmapRefData::wxBitmapRefData() | |
27 | { | |
28 | m_ok = FALSE; | |
29 | m_width = 0; | |
30 | m_height = 0; | |
31 | m_depth = 0; | |
32 | m_quality = 0; | |
33 | m_numColors = 0; | |
34 | m_bitmapMask = NULL; | |
35 | } | |
36 | ||
37 | wxBitmapRefData::~wxBitmapRefData() | |
38 | { | |
39 | /* | |
40 | * TODO: delete the bitmap data here. | |
41 | */ | |
42 | ||
43 | if (m_bitmapMask) | |
44 | delete m_bitmapMask; | |
45 | m_bitmapMask = NULL; | |
46 | } | |
47 | ||
48 | wxList wxBitmap::sm_handlers; | |
49 | ||
50 | wxBitmap::wxBitmap() | |
51 | { | |
52 | m_refData = NULL; | |
53 | ||
54 | if ( wxTheBitmapList ) | |
55 | wxTheBitmapList->AddBitmap(this); | |
56 | } | |
57 | ||
58 | wxBitmap::~wxBitmap() | |
59 | { | |
60 | if (wxTheBitmapList) | |
61 | wxTheBitmapList->DeleteObject(this); | |
62 | } | |
63 | ||
64 | wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) | |
65 | { | |
66 | m_refData = new wxBitmapRefData; | |
67 | ||
68 | M_BITMAPDATA->m_width = the_width ; | |
69 | M_BITMAPDATA->m_height = the_height ; | |
70 | M_BITMAPDATA->m_depth = no_bits ; | |
71 | M_BITMAPDATA->m_numColors = 0; | |
72 | ||
73 | /* TODO: create the bitmap from data */ | |
74 | ||
75 | if ( wxTheBitmapList ) | |
76 | wxTheBitmapList->AddBitmap(this); | |
77 | } | |
78 | ||
79 | wxBitmap::wxBitmap(int w, int h, int d) | |
80 | { | |
81 | (void)Create(w, h, d); | |
82 | ||
83 | if ( wxTheBitmapList ) | |
84 | wxTheBitmapList->AddBitmap(this); | |
85 | } | |
86 | ||
87 | wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) | |
88 | { | |
89 | (void) Create(data, type, width, height, depth); | |
90 | ||
91 | if ( wxTheBitmapList ) | |
92 | wxTheBitmapList->AddBitmap(this); | |
93 | } | |
94 | ||
95 | wxBitmap::wxBitmap(const wxString& filename, long type) | |
96 | { | |
97 | LoadFile(filename, (int)type); | |
98 | ||
99 | if ( wxTheBitmapList ) | |
100 | wxTheBitmapList->AddBitmap(this); | |
101 | } | |
102 | ||
103 | /* TODO: maybe allow creation from XPM | |
104 | // Create from data | |
105 | wxBitmap::wxBitmap(const char **data) | |
106 | { | |
107 | (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); | |
108 | } | |
109 | */ | |
110 | ||
111 | bool wxBitmap::Create(int w, int h, int d) | |
112 | { | |
113 | UnRef(); | |
114 | ||
115 | m_refData = new wxBitmapRefData; | |
116 | ||
117 | M_BITMAPDATA->m_width = w; | |
118 | M_BITMAPDATA->m_height = h; | |
119 | M_BITMAPDATA->m_depth = d; | |
120 | ||
121 | /* TODO: create new bitmap */ | |
122 | ||
123 | return M_BITMAPDATA->m_ok; | |
124 | } | |
125 | ||
126 | bool wxBitmap::LoadFile(const wxString& filename, long type) | |
127 | { | |
128 | UnRef(); | |
129 | ||
130 | m_refData = new wxBitmapRefData; | |
131 | ||
132 | wxBitmapHandler *handler = FindHandler(type); | |
133 | ||
134 | if ( handler == NULL ) { | |
135 | wxLogWarning("no bitmap handler for type %d defined.", type); | |
136 | ||
137 | return FALSE; | |
138 | } | |
139 | ||
140 | return handler->LoadFile(this, filename, type, -1, -1); | |
141 | } | |
142 | ||
143 | bool wxBitmap::Create(void *data, long type, int width, int height, int depth) | |
144 | { | |
145 | UnRef(); | |
146 | ||
147 | m_refData = new wxBitmapRefData; | |
148 | ||
149 | wxBitmapHandler *handler = FindHandler(type); | |
150 | ||
151 | if ( handler == NULL ) { | |
152 | wxLogWarning("no bitmap handler for type %d defined.", type); | |
153 | ||
154 | return FALSE; | |
155 | } | |
156 | ||
157 | return handler->Create(this, data, type, width, height, depth); | |
158 | } | |
159 | ||
160 | bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) | |
161 | { | |
162 | wxBitmapHandler *handler = FindHandler(type); | |
163 | ||
164 | if ( handler == NULL ) { | |
165 | wxLogWarning("no bitmap handler for type %d defined.", type); | |
166 | ||
167 | return FALSE; | |
168 | } | |
169 | ||
170 | return handler->SaveFile(this, filename, type, palette); | |
171 | } | |
172 | ||
173 | void wxBitmap::SetWidth(int w) | |
174 | { | |
175 | if (!M_BITMAPDATA) | |
176 | m_refData = new wxBitmapRefData; | |
177 | ||
178 | M_BITMAPDATA->m_width = w; | |
179 | } | |
180 | ||
181 | void wxBitmap::SetHeight(int h) | |
182 | { | |
183 | if (!M_BITMAPDATA) | |
184 | m_refData = new wxBitmapRefData; | |
185 | ||
186 | M_BITMAPDATA->m_height = h; | |
187 | } | |
188 | ||
189 | void wxBitmap::SetDepth(int d) | |
190 | { | |
191 | if (!M_BITMAPDATA) | |
192 | m_refData = new wxBitmapRefData; | |
193 | ||
194 | M_BITMAPDATA->m_depth = d; | |
195 | } | |
196 | ||
197 | void wxBitmap::SetQuality(int q) | |
198 | { | |
199 | if (!M_BITMAPDATA) | |
200 | m_refData = new wxBitmapRefData; | |
201 | ||
202 | M_BITMAPDATA->m_quality = q; | |
203 | } | |
204 | ||
205 | void wxBitmap::SetOk(bool isOk) | |
206 | { | |
207 | if (!M_BITMAPDATA) | |
208 | m_refData = new wxBitmapRefData; | |
209 | ||
210 | M_BITMAPDATA->m_ok = isOk; | |
211 | } | |
212 | ||
213 | void wxBitmap::SetPalette(const wxPalette& palette) | |
214 | { | |
215 | if (!M_BITMAPDATA) | |
216 | m_refData = new wxBitmapRefData; | |
217 | ||
218 | M_BITMAPDATA->m_bitmapPalette = palette ; | |
219 | } | |
220 | ||
221 | void wxBitmap::SetMask(wxMask *mask) | |
222 | { | |
223 | if (!M_BITMAPDATA) | |
224 | m_refData = new wxBitmapRefData; | |
225 | ||
226 | M_BITMAPDATA->m_bitmapMask = mask ; | |
227 | } | |
228 | ||
229 | void wxBitmap::AddHandler(wxBitmapHandler *handler) | |
230 | { | |
231 | sm_handlers.Append(handler); | |
232 | } | |
233 | ||
234 | void wxBitmap::InsertHandler(wxBitmapHandler *handler) | |
235 | { | |
236 | sm_handlers.Insert(handler); | |
237 | } | |
238 | ||
239 | bool wxBitmap::RemoveHandler(const wxString& name) | |
240 | { | |
241 | wxBitmapHandler *handler = FindHandler(name); | |
242 | if ( handler ) | |
243 | { | |
244 | sm_handlers.DeleteObject(handler); | |
245 | return TRUE; | |
246 | } | |
247 | else | |
248 | return FALSE; | |
249 | } | |
250 | ||
251 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) | |
252 | { | |
253 | wxNode *node = sm_handlers.First(); | |
254 | while ( node ) | |
255 | { | |
256 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
257 | if ( handler->GetName() == name ) | |
258 | return handler; | |
259 | node = node->Next(); | |
260 | } | |
261 | return NULL; | |
262 | } | |
263 | ||
264 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) | |
265 | { | |
266 | wxNode *node = sm_handlers.First(); | |
267 | while ( node ) | |
268 | { | |
269 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
270 | if ( handler->GetExtension() == extension && | |
271 | (bitmapType == -1 || handler->GetType() == bitmapType) ) | |
272 | return handler; | |
273 | node = node->Next(); | |
274 | } | |
275 | return NULL; | |
276 | } | |
277 | ||
278 | wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) | |
279 | { | |
280 | wxNode *node = sm_handlers.First(); | |
281 | while ( node ) | |
282 | { | |
283 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
284 | if (handler->GetType() == bitmapType) | |
285 | return handler; | |
286 | node = node->Next(); | |
287 | } | |
288 | return NULL; | |
289 | } | |
290 | ||
291 | /* | |
292 | * wxMask | |
293 | */ | |
294 | ||
295 | wxMask::wxMask() | |
296 | { | |
297 | /* TODO | |
298 | m_maskBitmap = 0; | |
299 | */ | |
300 | } | |
301 | ||
302 | // Construct a mask from a bitmap and a colour indicating | |
303 | // the transparent area | |
304 | wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) | |
305 | { | |
306 | /* TODO | |
307 | m_maskBitmap = 0; | |
308 | */ | |
309 | Create(bitmap, colour); | |
310 | } | |
311 | ||
312 | // Construct a mask from a bitmap and a palette index indicating | |
313 | // the transparent area | |
314 | wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) | |
315 | { | |
316 | /* TODO | |
317 | m_maskBitmap = 0; | |
318 | */ | |
319 | ||
320 | Create(bitmap, paletteIndex); | |
321 | } | |
322 | ||
323 | // Construct a mask from a mono bitmap (copies the bitmap). | |
324 | wxMask::wxMask(const wxBitmap& bitmap) | |
325 | { | |
326 | /* TODO | |
327 | m_maskBitmap = 0; | |
328 | */ | |
329 | ||
330 | Create(bitmap); | |
331 | } | |
332 | ||
333 | wxMask::~wxMask() | |
334 | { | |
335 | // TODO: delete mask bitmap | |
336 | } | |
337 | ||
338 | // Create a mask from a mono bitmap (copies the bitmap). | |
339 | bool wxMask::Create(const wxBitmap& bitmap) | |
340 | { | |
341 | // TODO | |
342 | return FALSE; | |
343 | } | |
344 | ||
345 | // Create a mask from a bitmap and a palette index indicating | |
346 | // the transparent area | |
347 | bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) | |
348 | { | |
349 | // TODO | |
350 | return FALSE; | |
351 | } | |
352 | ||
353 | // Create a mask from a bitmap and a colour indicating | |
354 | // the transparent area | |
355 | bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) | |
356 | { | |
357 | // TODO | |
358 | return FALSE; | |
359 | } | |
360 | ||
361 | /* | |
362 | * wxBitmapHandler | |
363 | */ | |
364 | ||
365 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) | |
366 | ||
367 | bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) | |
368 | { | |
369 | return FALSE; | |
370 | } | |
371 | ||
372 | bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type, | |
373 | int desiredWidth, int desiredHeight) | |
374 | { | |
375 | return FALSE; | |
376 | } | |
377 | ||
378 | bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) | |
379 | { | |
380 | return FALSE; | |
381 | } | |
382 | ||
383 | /* | |
384 | * Standard handlers | |
385 | */ | |
386 | ||
387 | /* TODO: bitmap handlers, a bit like this: | |
388 | class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler | |
389 | { | |
390 | DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) | |
391 | public: | |
392 | inline wxBMPResourceHandler() | |
393 | { | |
394 | m_name = "Windows bitmap resource"; | |
395 | m_extension = ""; | |
396 | m_type = wxBITMAP_TYPE_BMP_RESOURCE; | |
397 | }; | |
398 | ||
399 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, | |
400 | int desiredWidth, int desiredHeight); | |
401 | }; | |
402 | IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) | |
403 | */ | |
404 | ||
405 | void wxBitmap::CleanUpHandlers() | |
406 | { | |
407 | wxNode *node = sm_handlers.First(); | |
408 | while ( node ) | |
409 | { | |
410 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); | |
411 | wxNode *next = node->Next(); | |
412 | delete handler; | |
413 | delete node; | |
414 | node = next; | |
415 | } | |
416 | } | |
417 | ||
418 | void wxBitmap::InitStandardHandlers() | |
419 | { | |
420 | /* TODO: initialize all standard bitmap or derive class handlers here. | |
421 | AddHandler(new wxBMPResourceHandler); | |
422 | AddHandler(new wxBMPFileHandler); | |
423 | AddHandler(new wxXPMFileHandler); | |
424 | AddHandler(new wxXPMDataHandler); | |
425 | AddHandler(new wxICOResourceHandler); | |
426 | AddHandler(new wxICOFileHandler); | |
427 | */ | |
428 | } |