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01111366 RR |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: image.cpp | |
3 | // Purpose: wxImage | |
4 | // Author: Robert Roebling | |
5 | // RCS-ID: $Id$ | |
6 | // Copyright: (c) Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #ifdef __GNUG__ | |
11 | #pragma implementation "image.h" | |
12 | #endif | |
13 | ||
0b4f9ee3 UU |
14 | // For compilers that support precompilation, includes "wx.h". |
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #ifdef __BORLANDC__ | |
edccf428 | 18 | #pragma hdrstop |
0b4f9ee3 UU |
19 | #endif |
20 | ||
01111366 | 21 | #include "wx/image.h" |
99c67c77 | 22 | #include "wx/bitmap.h" |
01111366 RR |
23 | #include "wx/debug.h" |
24 | #include "wx/log.h" | |
f6fcbb63 | 25 | #include "wx/app.h" |
dc86cb34 | 26 | #include "wx/filefn.h" |
3d05544e | 27 | #include "wx/wfstream.h" |
b75867a6 | 28 | #include "wx/intl.h" |
a91b47e8 | 29 | #include "wx/module.h" |
01111366 | 30 | |
58a8ab88 JS |
31 | // For memcpy |
32 | #include <string.h> | |
33 | ||
a3ef5bf5 | 34 | #ifdef __SALFORDC__ |
edccf428 | 35 | #undef FAR |
a3ef5bf5 JS |
36 | #endif |
37 | ||
2432b92d | 38 | #ifdef __WXMSW__ |
edccf428 | 39 | #include "wx/msw/private.h" |
2432b92d JS |
40 | #endif |
41 | ||
01111366 RR |
42 | //----------------------------------------------------------------------------- |
43 | // wxImage | |
44 | //----------------------------------------------------------------------------- | |
45 | ||
46 | class wxImageRefData: public wxObjectRefData | |
47 | { | |
c7abc967 | 48 | |
fd0eed64 | 49 | public: |
edccf428 VZ |
50 | wxImageRefData(); |
51 | ~wxImageRefData(); | |
c7abc967 | 52 | |
dbda9e86 JS |
53 | int m_width; |
54 | int m_height; | |
55 | unsigned char *m_data; | |
56 | bool m_hasMask; | |
57 | unsigned char m_maskRed,m_maskGreen,m_maskBlue; | |
58 | bool m_ok; | |
01111366 RR |
59 | }; |
60 | ||
edccf428 | 61 | wxImageRefData::wxImageRefData() |
01111366 | 62 | { |
fd0eed64 RR |
63 | m_width = 0; |
64 | m_height = 0; | |
65 | m_data = (unsigned char*) NULL; | |
66 | m_ok = FALSE; | |
67 | m_maskRed = 0; | |
68 | m_maskGreen = 0; | |
69 | m_maskBlue = 0; | |
70 | m_hasMask = FALSE; | |
01111366 RR |
71 | } |
72 | ||
edccf428 | 73 | wxImageRefData::~wxImageRefData() |
01111366 | 74 | { |
fd0eed64 | 75 | if (m_data) free( m_data ); |
01111366 RR |
76 | } |
77 | ||
78 | wxList wxImage::sm_handlers; | |
79 | ||
80 | //----------------------------------------------------------------------------- | |
81 | ||
82 | #define M_IMGDATA ((wxImageRefData *)m_refData) | |
83 | ||
84 | #if !USE_SHARED_LIBRARIES | |
edccf428 | 85 | IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject) |
01111366 RR |
86 | #endif |
87 | ||
88 | wxImage::wxImage() | |
89 | { | |
90 | } | |
91 | ||
92 | wxImage::wxImage( int width, int height ) | |
93 | { | |
fd0eed64 | 94 | Create( width, height ); |
01111366 RR |
95 | } |
96 | ||
97 | wxImage::wxImage( const wxString& name, long type ) | |
98 | { | |
fd0eed64 | 99 | LoadFile( name, type ); |
01111366 RR |
100 | } |
101 | ||
9e9ee68e VS |
102 | wxImage::wxImage( const wxString& name, const wxString& mimetype ) |
103 | { | |
104 | LoadFile( name, mimetype ); | |
105 | } | |
106 | ||
e02afc7a | 107 | #if wxUSE_STREAMS |
3d05544e JS |
108 | wxImage::wxImage( wxInputStream& stream, long type ) |
109 | { | |
110 | LoadFile( stream, type ); | |
111 | } | |
9e9ee68e VS |
112 | |
113 | wxImage::wxImage( wxInputStream& stream, const wxString& mimetype ) | |
114 | { | |
115 | LoadFile( stream, mimetype ); | |
116 | } | |
e02afc7a | 117 | #endif // wxUSE_STREAMS |
3d05544e | 118 | |
4698648f VZ |
119 | wxImage::wxImage( const wxImage& image ) |
120 | { | |
121 | Ref(image); | |
01111366 RR |
122 | } |
123 | ||
4698648f VZ |
124 | wxImage::wxImage( const wxImage* image ) |
125 | { | |
126 | if (image) Ref(*image); | |
01111366 RR |
127 | } |
128 | ||
129 | void wxImage::Create( int width, int height ) | |
130 | { | |
fd0eed64 | 131 | m_refData = new wxImageRefData(); |
c7abc967 | 132 | |
fd0eed64 RR |
133 | M_IMGDATA->m_data = (unsigned char *) malloc( width*height*3 ); |
134 | if (M_IMGDATA->m_data) | |
135 | { | |
136 | for (int l = 0; l < width*height*3; l++) M_IMGDATA->m_data[l] = 0; | |
c7abc967 | 137 | |
fd0eed64 RR |
138 | M_IMGDATA->m_width = width; |
139 | M_IMGDATA->m_height = height; | |
140 | M_IMGDATA->m_ok = TRUE; | |
141 | } | |
142 | else | |
143 | { | |
144 | UnRef(); | |
145 | } | |
01111366 RR |
146 | } |
147 | ||
148 | void wxImage::Destroy() | |
149 | { | |
fd0eed64 | 150 | UnRef(); |
01111366 RR |
151 | } |
152 | ||
4bc67cc5 RR |
153 | wxImage wxImage::Scale( int width, int height ) |
154 | { | |
155 | wxImage image; | |
c7abc967 | 156 | |
50920146 | 157 | wxCHECK_MSG( Ok(), image, _T("invalid image") ); |
c7abc967 | 158 | |
50920146 | 159 | wxCHECK_MSG( (width > 0) && (height > 0), image, _T("invalid image size") ); |
c7abc967 | 160 | |
4bc67cc5 | 161 | image.Create( width, height ); |
c7abc967 | 162 | |
4bc67cc5 | 163 | char unsigned *data = image.GetData(); |
c7abc967 | 164 | |
50920146 | 165 | wxCHECK_MSG( data, image, _T("unable to create image") ); |
c7abc967 | 166 | |
4bc67cc5 RR |
167 | if (M_IMGDATA->m_hasMask) |
168 | image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); | |
c7abc967 | 169 | |
6e13c196 RR |
170 | long old_height = M_IMGDATA->m_height; |
171 | long old_width = M_IMGDATA->m_width; | |
c7abc967 | 172 | |
6e13c196 RR |
173 | char unsigned *source_data = M_IMGDATA->m_data; |
174 | char unsigned *target_data = data; | |
c7abc967 | 175 | |
6e13c196 | 176 | for (long j = 0; j < height; j++) |
4bc67cc5 | 177 | { |
6e13c196 | 178 | long y_offset = (j * old_height / height) * old_width; |
c7abc967 | 179 | |
6e13c196 | 180 | for (long i = 0; i < width; i++) |
4698648f | 181 | { |
c7abc967 VZ |
182 | memcpy( target_data, |
183 | source_data + 3*(y_offset + ((i * old_width )/ width)), | |
dbda9e86 | 184 | 3 ); |
6e13c196 | 185 | target_data += 3; |
4698648f | 186 | } |
4bc67cc5 | 187 | } |
c7abc967 | 188 | |
4bc67cc5 RR |
189 | return image; |
190 | } | |
4698648f | 191 | |
ef539066 RR |
192 | void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) |
193 | { | |
50920146 | 194 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 195 | |
ef539066 RR |
196 | int w = M_IMGDATA->m_width; |
197 | int h = M_IMGDATA->m_height; | |
c7abc967 | 198 | |
50920146 | 199 | wxCHECK_RET( (x>=0) && (y>=0) && (x<w) && (y<h), _T("invalid image index") ); |
c7abc967 | 200 | |
ef539066 | 201 | long pos = (y * w + x) * 3; |
c7abc967 | 202 | |
ef539066 RR |
203 | M_IMGDATA->m_data[ pos ] = r; |
204 | M_IMGDATA->m_data[ pos+1 ] = g; | |
205 | M_IMGDATA->m_data[ pos+2 ] = b; | |
206 | } | |
207 | ||
208 | unsigned char wxImage::GetRed( int x, int y ) | |
209 | { | |
50920146 | 210 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 211 | |
ef539066 RR |
212 | int w = M_IMGDATA->m_width; |
213 | int h = M_IMGDATA->m_height; | |
c7abc967 | 214 | |
50920146 | 215 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 216 | |
ef539066 | 217 | long pos = (y * w + x) * 3; |
c7abc967 | 218 | |
ef539066 RR |
219 | return M_IMGDATA->m_data[pos]; |
220 | } | |
221 | ||
222 | unsigned char wxImage::GetGreen( int x, int y ) | |
223 | { | |
50920146 | 224 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 225 | |
ef539066 RR |
226 | int w = M_IMGDATA->m_width; |
227 | int h = M_IMGDATA->m_height; | |
c7abc967 | 228 | |
50920146 | 229 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 230 | |
ef539066 | 231 | long pos = (y * w + x) * 3; |
c7abc967 | 232 | |
ef539066 RR |
233 | return M_IMGDATA->m_data[pos+1]; |
234 | } | |
235 | ||
236 | unsigned char wxImage::GetBlue( int x, int y ) | |
237 | { | |
50920146 | 238 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 239 | |
ef539066 RR |
240 | int w = M_IMGDATA->m_width; |
241 | int h = M_IMGDATA->m_height; | |
c7abc967 | 242 | |
50920146 | 243 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 244 | |
ef539066 | 245 | long pos = (y * w + x) * 3; |
c7abc967 | 246 | |
ef539066 RR |
247 | return M_IMGDATA->m_data[pos+2]; |
248 | } | |
4698648f VZ |
249 | |
250 | bool wxImage::Ok() const | |
251 | { | |
252 | return (M_IMGDATA && M_IMGDATA->m_ok); | |
01111366 RR |
253 | } |
254 | ||
255 | char unsigned *wxImage::GetData() const | |
256 | { | |
50920146 | 257 | wxCHECK_MSG( Ok(), (char unsigned *)NULL, _T("invalid image") ); |
c7abc967 | 258 | |
fd0eed64 | 259 | return M_IMGDATA->m_data; |
01111366 RR |
260 | } |
261 | ||
58a8ab88 | 262 | void wxImage::SetData( char unsigned *data ) |
01111366 | 263 | { |
50920146 | 264 | wxCHECK_RET( Ok(), _T("invalid image") ); |
58a8ab88 JS |
265 | |
266 | memcpy(M_IMGDATA->m_data, data, M_IMGDATA->m_width * M_IMGDATA->m_height * 3); | |
01111366 RR |
267 | } |
268 | ||
269 | void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) | |
270 | { | |
50920146 | 271 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 272 | |
fd0eed64 RR |
273 | M_IMGDATA->m_maskRed = r; |
274 | M_IMGDATA->m_maskGreen = g; | |
275 | M_IMGDATA->m_maskBlue = b; | |
276 | M_IMGDATA->m_hasMask = TRUE; | |
01111366 RR |
277 | } |
278 | ||
279 | unsigned char wxImage::GetMaskRed() const | |
280 | { | |
50920146 | 281 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 282 | |
fd0eed64 | 283 | return M_IMGDATA->m_maskRed; |
01111366 RR |
284 | } |
285 | ||
286 | unsigned char wxImage::GetMaskGreen() const | |
287 | { | |
50920146 | 288 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 289 | |
fd0eed64 | 290 | return M_IMGDATA->m_maskGreen; |
01111366 RR |
291 | } |
292 | ||
293 | unsigned char wxImage::GetMaskBlue() const | |
294 | { | |
50920146 | 295 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 296 | |
fd0eed64 | 297 | return M_IMGDATA->m_maskBlue; |
01111366 | 298 | } |
4698648f | 299 | |
01111366 RR |
300 | void wxImage::SetMask( bool mask ) |
301 | { | |
50920146 | 302 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 303 | |
fd0eed64 | 304 | M_IMGDATA->m_hasMask = mask; |
01111366 RR |
305 | } |
306 | ||
307 | bool wxImage::HasMask() const | |
308 | { | |
50920146 | 309 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 310 | |
fd0eed64 | 311 | return M_IMGDATA->m_hasMask; |
01111366 RR |
312 | } |
313 | ||
4698648f VZ |
314 | int wxImage::GetWidth() const |
315 | { | |
50920146 | 316 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 317 | |
4698648f | 318 | return M_IMGDATA->m_width; |
01111366 RR |
319 | } |
320 | ||
4698648f VZ |
321 | int wxImage::GetHeight() const |
322 | { | |
50920146 | 323 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 324 | |
4698648f | 325 | return M_IMGDATA->m_height; |
01111366 RR |
326 | } |
327 | ||
328 | bool wxImage::LoadFile( const wxString& filename, long type ) | |
329 | { | |
e02afc7a | 330 | #if wxUSE_STREAMS |
3d05544e | 331 | if (wxFileExists(filename)) |
fd0eed64 | 332 | { |
3d05544e JS |
333 | wxFileInputStream stream(filename); |
334 | return LoadFile(stream, type); | |
335 | } | |
9e9ee68e VS |
336 | |
337 | else { | |
50920146 | 338 | wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
9e9ee68e VS |
339 | |
340 | return FALSE; | |
341 | } | |
342 | #else // !wxUSE_STREAMS | |
343 | return FALSE; | |
344 | #endif // wxUSE_STREAMS | |
345 | } | |
346 | ||
347 | bool wxImage::LoadFile( const wxString& filename, const wxString& mimetype ) | |
348 | { | |
349 | #if wxUSE_STREAMS | |
350 | if (wxFileExists(filename)) | |
351 | { | |
352 | wxFileInputStream stream(filename); | |
353 | return LoadFile(stream, mimetype); | |
354 | } | |
c7abc967 | 355 | |
3d05544e | 356 | else { |
50920146 | 357 | wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
c7abc967 | 358 | |
fd0eed64 RR |
359 | return FALSE; |
360 | } | |
e02afc7a | 361 | #else // !wxUSE_STREAMS |
dbda9e86 | 362 | return FALSE; |
e02afc7a | 363 | #endif // wxUSE_STREAMS |
1ccbb61a VZ |
364 | } |
365 | ||
366 | bool wxImage::SaveFile( const wxString& filename, int type ) | |
367 | { | |
e02afc7a | 368 | #if wxUSE_STREAMS |
1ccbb61a | 369 | wxFileOutputStream stream(filename); |
9e9ee68e | 370 | |
1ccbb61a VZ |
371 | if ( stream.LastError() == wxStream_NOERROR ) |
372 | return SaveFile(stream, type); | |
373 | else | |
e02afc7a | 374 | #endif // wxUSE_STREAMS |
1ccbb61a | 375 | return FALSE; |
3d05544e | 376 | } |
01111366 | 377 | |
9e9ee68e VS |
378 | bool wxImage::SaveFile( const wxString& filename, const wxString& mimetype ) |
379 | { | |
380 | #if wxUSE_STREAMS | |
381 | wxFileOutputStream stream(filename); | |
c7abc967 | 382 | |
9e9ee68e VS |
383 | if ( stream.LastError() == wxStream_NOERROR ) |
384 | return SaveFile(stream, mimetype); | |
385 | else | |
386 | #endif // wxUSE_STREAMS | |
387 | return FALSE; | |
388 | } | |
389 | ||
e02afc7a | 390 | #if wxUSE_STREAMS |
3d05544e JS |
391 | bool wxImage::LoadFile( wxInputStream& stream, long type ) |
392 | { | |
393 | UnRef(); | |
c7abc967 | 394 | |
fd0eed64 | 395 | m_refData = new wxImageRefData; |
c7abc967 | 396 | |
fd0eed64 | 397 | wxImageHandler *handler = FindHandler(type); |
c7abc967 | 398 | |
4698648f | 399 | if (handler == NULL) |
fd0eed64 | 400 | { |
50920146 | 401 | wxLogWarning( _T("No image handler for type %d defined."), type ); |
c7abc967 | 402 | |
fd0eed64 RR |
403 | return FALSE; |
404 | } | |
c7abc967 | 405 | |
3d05544e | 406 | return handler->LoadFile( this, stream ); |
01111366 RR |
407 | } |
408 | ||
9e9ee68e VS |
409 | bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) |
410 | { | |
411 | UnRef(); | |
412 | ||
413 | m_refData = new wxImageRefData; | |
414 | ||
415 | wxImageHandler *handler = FindHandlerMime(mimetype); | |
416 | ||
417 | if (handler == NULL) | |
418 | { | |
50920146 | 419 | wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); |
9e9ee68e VS |
420 | |
421 | return FALSE; | |
422 | } | |
423 | ||
424 | return handler->LoadFile( this, stream ); | |
425 | } | |
426 | ||
3d05544e | 427 | bool wxImage::SaveFile( wxOutputStream& stream, int type ) |
01111366 | 428 | { |
50920146 | 429 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 430 | |
fd0eed64 | 431 | wxImageHandler *handler = FindHandler(type); |
c7abc967 | 432 | |
4698648f | 433 | if (handler == NULL) |
fd0eed64 | 434 | { |
50920146 | 435 | wxLogWarning( _T("No image handler for type %d defined."), type ); |
9e9ee68e VS |
436 | |
437 | return FALSE; | |
438 | } | |
439 | ||
440 | return handler->SaveFile( this, stream ); | |
441 | } | |
442 | ||
443 | bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) | |
444 | { | |
50920146 | 445 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 446 | |
9e9ee68e | 447 | wxImageHandler *handler = FindHandlerMime(mimetype); |
c7abc967 | 448 | |
9e9ee68e VS |
449 | if (handler == NULL) |
450 | { | |
50920146 | 451 | wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); |
c7abc967 | 452 | |
dbda9e86 | 453 | return FALSE; |
fd0eed64 | 454 | } |
c7abc967 | 455 | |
3d05544e | 456 | return handler->SaveFile( this, stream ); |
01111366 | 457 | } |
e02afc7a | 458 | #endif // wxUSE_STREAMS |
01111366 RR |
459 | |
460 | void wxImage::AddHandler( wxImageHandler *handler ) | |
461 | { | |
4698648f VZ |
462 | // make sure that the memory will be freed at the program end |
463 | sm_handlers.DeleteContents(TRUE); | |
c7abc967 | 464 | |
01111366 RR |
465 | sm_handlers.Append( handler ); |
466 | } | |
467 | ||
468 | void wxImage::InsertHandler( wxImageHandler *handler ) | |
469 | { | |
4698648f VZ |
470 | // make sure that the memory will be freed at the program end |
471 | sm_handlers.DeleteContents(TRUE); | |
c7abc967 | 472 | |
01111366 RR |
473 | sm_handlers.Insert( handler ); |
474 | } | |
475 | ||
476 | bool wxImage::RemoveHandler( const wxString& name ) | |
477 | { | |
fd0eed64 RR |
478 | wxImageHandler *handler = FindHandler(name); |
479 | if (handler) | |
480 | { | |
481 | sm_handlers.DeleteObject(handler); | |
482 | return TRUE; | |
483 | } | |
484 | else | |
485 | return FALSE; | |
01111366 RR |
486 | } |
487 | ||
488 | wxImageHandler *wxImage::FindHandler( const wxString& name ) | |
489 | { | |
fd0eed64 RR |
490 | wxNode *node = sm_handlers.First(); |
491 | while (node) | |
492 | { | |
493 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
ce3ed50d | 494 | if (handler->GetName().Cmp(name) == 0) return handler; |
c7abc967 | 495 | |
fd0eed64 RR |
496 | node = node->Next(); |
497 | } | |
498 | return (wxImageHandler *)NULL; | |
01111366 RR |
499 | } |
500 | ||
501 | wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType ) | |
502 | { | |
fd0eed64 RR |
503 | wxNode *node = sm_handlers.First(); |
504 | while (node) | |
505 | { | |
506 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
ce3ed50d | 507 | if ( (handler->GetExtension().Cmp(extension) == 0) && |
fd0eed64 | 508 | (bitmapType == -1 || handler->GetType() == bitmapType) ) |
dbda9e86 | 509 | return handler; |
fd0eed64 RR |
510 | node = node->Next(); |
511 | } | |
512 | return (wxImageHandler*)NULL; | |
01111366 RR |
513 | } |
514 | ||
515 | wxImageHandler *wxImage::FindHandler( long bitmapType ) | |
516 | { | |
fd0eed64 RR |
517 | wxNode *node = sm_handlers.First(); |
518 | while (node) | |
519 | { | |
520 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
521 | if (handler->GetType() == bitmapType) return handler; | |
522 | node = node->Next(); | |
523 | } | |
524 | return NULL; | |
525 | } | |
526 | ||
9e9ee68e VS |
527 | wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) |
528 | { | |
529 | wxNode *node = sm_handlers.First(); | |
530 | while (node) | |
531 | { | |
532 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
533 | if (handler->GetMimeType().IsSameAs(mimetype, FALSE)) return handler; | |
534 | node = node->Next(); | |
535 | } | |
536 | return NULL; | |
537 | } | |
538 | ||
fd0eed64 RR |
539 | void wxImage::InitStandardHandlers() |
540 | { | |
541 | AddHandler( new wxBMPHandler ); | |
01111366 RR |
542 | } |
543 | ||
544 | void wxImage::CleanUpHandlers() | |
545 | { | |
fd0eed64 RR |
546 | wxNode *node = sm_handlers.First(); |
547 | while (node) | |
548 | { | |
549 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
550 | wxNode *next = node->Next(); | |
551 | delete handler; | |
552 | delete node; | |
553 | node = next; | |
554 | } | |
01111366 RR |
555 | } |
556 | ||
557 | //----------------------------------------------------------------------------- | |
558 | // wxImageHandler | |
559 | //----------------------------------------------------------------------------- | |
560 | ||
561 | #if !USE_SHARED_LIBRARIES | |
562 | IMPLEMENT_DYNAMIC_CLASS(wxImageHandler,wxObject) | |
563 | #endif | |
564 | ||
e02afc7a | 565 | #if wxUSE_STREAMS |
3d05544e | 566 | bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream) ) |
01111366 | 567 | { |
fd0eed64 | 568 | return FALSE; |
01111366 RR |
569 | } |
570 | ||
3d05544e | 571 | bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream) ) |
01111366 | 572 | { |
fd0eed64 | 573 | return FALSE; |
01111366 | 574 | } |
e02afc7a | 575 | #endif // wxUSE_STREAMS |
01111366 | 576 | |
01111366 | 577 | //----------------------------------------------------------------------------- |
ce4169a4 | 578 | // MSW conversion routines |
01111366 RR |
579 | //----------------------------------------------------------------------------- |
580 | ||
e3554471 JS |
581 | #ifdef __WXMSW__ |
582 | ||
583 | wxBitmap wxImage::ConvertToBitmap() const | |
584 | { | |
dbda9e86 | 585 | // sizeLimit is the MS upper limit for the DIB size |
c7abc967 VZ |
586 | int sizeLimit = 1024*768*3; |
587 | ||
dbda9e86 | 588 | // width and height of the device-dependent bitmap |
bba6f3bd UA |
589 | int width = GetWidth(); |
590 | int bmpHeight = GetHeight(); | |
c7abc967 | 591 | |
dbda9e86 | 592 | // calc the number of bytes per scanline and padding |
bba6f3bd UA |
593 | int bytePerLine = width*3; |
594 | int sizeDWORD = sizeof( DWORD ); | |
595 | div_t lineBoundary = div( bytePerLine, sizeDWORD ); | |
596 | int padding = 0; | |
c7abc967 | 597 | if( lineBoundary.rem > 0 ) |
bba6f3bd UA |
598 | { |
599 | padding = sizeDWORD - lineBoundary.rem; | |
600 | bytePerLine += padding; | |
601 | } | |
dbda9e86 | 602 | // calc the number of DIBs and heights of DIBs |
bba6f3bd UA |
603 | int numDIB = 1; |
604 | int hRemain = 0; | |
605 | int height = sizeLimit/bytePerLine; | |
606 | if( height >= bmpHeight ) | |
c7abc967 | 607 | height = bmpHeight; |
bba6f3bd UA |
608 | else |
609 | { | |
610 | div_t result = div( bmpHeight, height ); | |
611 | numDIB = result.quot; | |
dbda9e86 JS |
612 | hRemain = result.rem; |
613 | if( hRemain >0 ) numDIB++; | |
bba6f3bd | 614 | } |
c7abc967 | 615 | |
dbda9e86 | 616 | // set bitmap parameters |
bba6f3bd | 617 | wxBitmap bitmap; |
50920146 | 618 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
bba6f3bd UA |
619 | bitmap.SetWidth( width ); |
620 | bitmap.SetHeight( bmpHeight ); | |
621 | bitmap.SetDepth( wxDisplayDepth() ); | |
c7abc967 | 622 | |
dbda9e86 | 623 | // create a DIB header |
bba6f3bd UA |
624 | int headersize = sizeof(BITMAPINFOHEADER); |
625 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
50920146 | 626 | wxCHECK_MSG( lpDIBh, bitmap, _T("could not allocate memory for DIB header") ); |
dbda9e86 | 627 | // Fill in the DIB header |
bba6f3bd UA |
628 | lpDIBh->bmiHeader.biSize = headersize; |
629 | lpDIBh->bmiHeader.biWidth = (DWORD)width; | |
630 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); | |
631 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 JS |
632 | // the general formula for biSizeImage: |
633 | // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height; | |
bba6f3bd UA |
634 | lpDIBh->bmiHeader.biPlanes = 1; |
635 | lpDIBh->bmiHeader.biBitCount = 24; | |
636 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
637 | lpDIBh->bmiHeader.biClrUsed = 0; | |
dbda9e86 | 638 | // These seem not really needed for our purpose here. |
bba6f3bd UA |
639 | lpDIBh->bmiHeader.biClrImportant = 0; |
640 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
641 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
dbda9e86 | 642 | // memory for DIB data |
bba6f3bd UA |
643 | unsigned char *lpBits; |
644 | lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); | |
645 | if( !lpBits ) | |
646 | { | |
50920146 | 647 | wxFAIL_MSG( _T("could not allocate memory for DIB") ); |
bba6f3bd UA |
648 | free( lpDIBh ); |
649 | return bitmap; | |
650 | } | |
c7abc967 | 651 | |
dbda9e86 | 652 | // create and set the device-dependent bitmap |
bba6f3bd UA |
653 | HDC hdc = ::GetDC(NULL); |
654 | HDC memdc = ::CreateCompatibleDC( hdc ); | |
655 | HBITMAP hbitmap; | |
656 | hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight ); | |
c7abc967 VZ |
657 | ::SelectObject( memdc, hbitmap); |
658 | ||
dbda9e86 | 659 | // copy image data into DIB data and then into DDB (in a loop) |
bba6f3bd UA |
660 | unsigned char *data = GetData(); |
661 | int i, j, n; | |
662 | int origin = 0; | |
663 | unsigned char *ptdata = data; | |
664 | unsigned char *ptbits; | |
c7abc967 | 665 | |
bba6f3bd UA |
666 | for( n=0; n<numDIB; n++ ) |
667 | { | |
dbda9e86 JS |
668 | if( numDIB > 1 && n == numDIB-1 && hRemain > 0 ) |
669 | { | |
670 | // redefine height and size of the (possibly) last smaller DIB | |
671 | // memory is not reallocated | |
c7abc967 | 672 | height = hRemain; |
bba6f3bd UA |
673 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
674 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 | 675 | } |
bba6f3bd | 676 | ptbits = lpBits; |
c7abc967 | 677 | |
bba6f3bd UA |
678 | for( j=0; j<height; j++ ) |
679 | { | |
680 | for( i=0; i<width; i++ ) | |
681 | { | |
682 | *(ptbits++) = *(ptdata+2); | |
683 | *(ptbits++) = *(ptdata+1); | |
684 | *(ptbits++) = *(ptdata ); | |
685 | ptdata += 3; | |
dbda9e86 JS |
686 | } |
687 | for( i=0; i< padding; i++ ) *(ptbits++) = 0; | |
bba6f3bd UA |
688 | } |
689 | ::StretchDIBits( memdc, 0, origin, width, height,\ | |
dbda9e86 JS |
690 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
691 | origin += height; | |
692 | // if numDIB = 1, lines below can also be used | |
693 | // hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
694 | // The above line is equivalent to the following two lines. | |
695 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
696 | // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); | |
697 | // or the following lines | |
698 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
699 | // HDC memdc = ::CreateCompatibleDC( hdc ); | |
c7abc967 | 700 | // ::SelectObject( memdc, hbitmap); |
dbda9e86 JS |
701 | // ::SetDIBitsToDevice( memdc, 0, 0, width, height, |
702 | // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); | |
c7abc967 VZ |
703 | // ::SelectObject( memdc, 0 ); |
704 | // ::DeleteDC( memdc ); | |
e3554471 | 705 | } |
bba6f3bd | 706 | bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); |
c7abc967 | 707 | |
dbda9e86 | 708 | // similarly, created an mono-bitmap for the possible mask |
bba6f3bd UA |
709 | if( HasMask() ) |
710 | { | |
711 | hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); | |
c7abc967 VZ |
712 | ::SelectObject( memdc, hbitmap); |
713 | if( numDIB == 1 ) height = bmpHeight; | |
bba6f3bd UA |
714 | else height = sizeLimit/bytePerLine; |
715 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); | |
716 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
717 | origin = 0; | |
718 | unsigned char r = GetMaskRed(); | |
719 | unsigned char g = GetMaskGreen(); | |
720 | unsigned char b = GetMaskBlue(); | |
721 | unsigned char zero = 0, one = 255; | |
722 | ptdata = data; | |
723 | for( n=0; n<numDIB; n++ ) | |
724 | { | |
725 | if( numDIB > 1 && n == numDIB - 1 && hRemain > 0 ) | |
726 | { | |
dbda9e86 JS |
727 | // redefine height and size of the (possibly) last smaller DIB |
728 | // memory is not reallocated | |
c7abc967 | 729 | height = hRemain; |
bba6f3bd UA |
730 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
731 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 | 732 | } |
bba6f3bd UA |
733 | ptbits = lpBits; |
734 | for( int j=0; j<height; j++ ) | |
735 | { | |
dbda9e86 | 736 | for(i=0; i<width; i++ ) |
bba6f3bd UA |
737 | { |
738 | if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) ) | |
739 | { | |
740 | *(ptbits++) = one; | |
741 | *(ptbits++) = one; | |
742 | *(ptbits++) = one; | |
743 | } | |
744 | else | |
745 | { | |
746 | *(ptbits++) = zero; | |
747 | *(ptbits++) = zero; | |
748 | *(ptbits++) = zero; | |
749 | } | |
750 | } | |
dbda9e86 | 751 | for( i=0; i< padding; i++ ) *(ptbits++) = zero; |
bba6f3bd UA |
752 | } |
753 | ::StretchDIBits( memdc, 0, origin, width, height,\ | |
dbda9e86 JS |
754 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
755 | origin += height; | |
756 | } | |
757 | // create a wxMask object | |
bba6f3bd UA |
758 | wxMask *mask = new wxMask(); |
759 | mask->SetMaskBitmap( (WXHBITMAP) hbitmap ); | |
760 | bitmap.SetMask( mask ); | |
dbda9e86 JS |
761 | // It will be deleted when the wxBitmap object is deleted (as of 01/1999) |
762 | /* The following can also be used but is slow to run | |
bba6f3bd UA |
763 | wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue()); |
764 | wxMask *mask = new wxMask( bitmap, colour ); | |
765 | bitmap.SetMask( mask ); | |
dbda9e86 | 766 | */ |
bba6f3bd | 767 | } |
c7abc967 VZ |
768 | |
769 | // free allocated resources | |
770 | ::SelectObject( memdc, 0 ); | |
771 | ::DeleteDC( memdc ); | |
772 | ::ReleaseDC(NULL, hdc); | |
bba6f3bd UA |
773 | free(lpDIBh); |
774 | free(lpBits); | |
c7abc967 | 775 | |
dbda9e86 | 776 | // check the wxBitmap object |
bba6f3bd UA |
777 | if( bitmap.GetHBITMAP() ) |
778 | bitmap.SetOk( TRUE ); | |
779 | else | |
780 | bitmap.SetOk( FALSE ); | |
c7abc967 | 781 | |
bba6f3bd | 782 | return bitmap; |
e3554471 JS |
783 | } |
784 | ||
e3554471 JS |
785 | wxImage::wxImage( const wxBitmap &bitmap ) |
786 | { | |
dbda9e86 | 787 | // check the bitmap |
bba6f3bd UA |
788 | if( !bitmap.Ok() ) |
789 | { | |
50920146 | 790 | wxFAIL_MSG( _T("invalid bitmap") ); |
bba6f3bd UA |
791 | return; |
792 | } | |
c7abc967 | 793 | |
dbda9e86 | 794 | // create an wxImage object |
bba6f3bd UA |
795 | int width = bitmap.GetWidth(); |
796 | int height = bitmap.GetHeight(); | |
c7abc967 | 797 | Create( width, height ); |
bba6f3bd UA |
798 | unsigned char *data = GetData(); |
799 | if( !data ) | |
800 | { | |
50920146 | 801 | wxFAIL_MSG( _T("could not allocate data for image") ); |
bba6f3bd UA |
802 | return; |
803 | } | |
c7abc967 | 804 | |
dbda9e86 | 805 | // calc the number of bytes per scanline and padding in the DIB |
bba6f3bd UA |
806 | int bytePerLine = width*3; |
807 | int sizeDWORD = sizeof( DWORD ); | |
808 | div_t lineBoundary = div( bytePerLine, sizeDWORD ); | |
809 | int padding = 0; | |
c7abc967 | 810 | if( lineBoundary.rem > 0 ) |
bba6f3bd UA |
811 | { |
812 | padding = sizeDWORD - lineBoundary.rem; | |
813 | bytePerLine += padding; | |
814 | } | |
c7abc967 | 815 | |
dbda9e86 | 816 | // create a DIB header |
bba6f3bd UA |
817 | int headersize = sizeof(BITMAPINFOHEADER); |
818 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
819 | if( !lpDIBh ) | |
820 | { | |
50920146 | 821 | wxFAIL_MSG( _T("could not allocate data for DIB header") ); |
bba6f3bd UA |
822 | free( data ); |
823 | return; | |
824 | } | |
dbda9e86 | 825 | // Fill in the DIB header |
bba6f3bd UA |
826 | lpDIBh->bmiHeader.biSize = headersize; |
827 | lpDIBh->bmiHeader.biWidth = width; | |
828 | lpDIBh->bmiHeader.biHeight = -height; | |
829 | lpDIBh->bmiHeader.biSizeImage = bytePerLine * height; | |
830 | lpDIBh->bmiHeader.biPlanes = 1; | |
831 | lpDIBh->bmiHeader.biBitCount = 24; | |
832 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
833 | lpDIBh->bmiHeader.biClrUsed = 0; | |
dbda9e86 | 834 | // These seem not really needed for our purpose here. |
bba6f3bd UA |
835 | lpDIBh->bmiHeader.biClrImportant = 0; |
836 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
837 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
dbda9e86 | 838 | // memory for DIB data |
bba6f3bd UA |
839 | unsigned char *lpBits; |
840 | lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); | |
841 | if( !lpBits ) | |
e3554471 | 842 | { |
50920146 | 843 | wxFAIL_MSG( _T("could not allocate data for DIB") ); |
bba6f3bd UA |
844 | free( data ); |
845 | free( lpDIBh ); | |
846 | return; | |
4698648f | 847 | } |
c7abc967 | 848 | |
dbda9e86 | 849 | // copy data from the device-dependent bitmap to the DIB |
bba6f3bd UA |
850 | HDC hdc = ::GetDC(NULL); |
851 | HBITMAP hbitmap; | |
852 | hbitmap = (HBITMAP) bitmap.GetHBITMAP(); | |
853 | ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
c7abc967 | 854 | |
dbda9e86 | 855 | // copy DIB data into the wxImage object |
bba6f3bd UA |
856 | int i, j; |
857 | unsigned char *ptdata = data; | |
858 | unsigned char *ptbits = lpBits; | |
859 | for( i=0; i<height; i++ ) | |
860 | { | |
861 | for( j=0; j<width; j++ ) | |
862 | { | |
863 | *(ptdata++) = *(ptbits+2); | |
864 | *(ptdata++) = *(ptbits+1); | |
865 | *(ptdata++) = *(ptbits ); | |
866 | ptbits += 3; | |
dbda9e86 | 867 | } |
bba6f3bd | 868 | ptbits += padding; |
c7abc967 VZ |
869 | } |
870 | ||
dbda9e86 | 871 | // similarly, set data according to the possible mask bitmap |
bba6f3bd UA |
872 | if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() ) |
873 | { | |
874 | hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); | |
dbda9e86 | 875 | // memory DC created, color set, data copied, and memory DC deleted |
bba6f3bd UA |
876 | HDC memdc = ::CreateCompatibleDC( hdc ); |
877 | ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); | |
878 | ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); | |
879 | ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
c7abc967 | 880 | ::DeleteDC( memdc ); |
dbda9e86 | 881 | // background color set to RGB(16,16,16) in consistent with wxGTK |
c7abc967 | 882 | unsigned char r=16, g=16, b=16; |
bba6f3bd UA |
883 | ptdata = data; |
884 | ptbits = lpBits; | |
885 | for( i=0; i<height; i++ ) | |
886 | { | |
887 | for( j=0; j<width; j++ ) | |
888 | { | |
889 | if( *ptbits != 0 ) | |
dbda9e86 JS |
890 | ptdata += 3; |
891 | else | |
bba6f3bd UA |
892 | { |
893 | *(ptdata++) = r; | |
894 | *(ptdata++) = g; | |
895 | *(ptdata++) = b; | |
dbda9e86 | 896 | } |
bba6f3bd UA |
897 | ptbits += 3; |
898 | } | |
899 | ptbits += padding; | |
c7abc967 | 900 | } |
bba6f3bd UA |
901 | SetMaskColour( r, g, b ); |
902 | SetMask( TRUE ); | |
c7abc967 | 903 | } |
bba6f3bd UA |
904 | else |
905 | { | |
906 | SetMask( FALSE ); | |
c7abc967 VZ |
907 | } |
908 | // free allocated resources | |
909 | ::ReleaseDC(NULL, hdc); | |
bba6f3bd UA |
910 | free(lpDIBh); |
911 | free(lpBits); | |
e3554471 JS |
912 | } |
913 | ||
914 | #endif | |
915 | ||
ce4169a4 RR |
916 | //----------------------------------------------------------------------------- |
917 | // GTK conversion routines | |
918 | //----------------------------------------------------------------------------- | |
919 | ||
99c67c77 RR |
920 | #ifdef __WXGTK__ |
921 | ||
83624f79 RR |
922 | #include "gtk/gtk.h" |
923 | #include "gdk/gdk.h" | |
924 | #include "gdk/gdkx.h" | |
925 | ||
ba0730de RR |
926 | #if (GTK_MINOR_VERSION > 0) |
927 | #include "gdk/gdkrgb.h" | |
928 | #endif | |
929 | ||
99c67c77 RR |
930 | wxBitmap wxImage::ConvertToBitmap() const |
931 | { | |
932 | wxBitmap bitmap; | |
c7abc967 | 933 | |
50920146 | 934 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
c7abc967 | 935 | |
99c67c77 RR |
936 | int width = GetWidth(); |
937 | int height = GetHeight(); | |
c7abc967 | 938 | |
99c67c77 RR |
939 | bitmap.SetHeight( height ); |
940 | bitmap.SetWidth( width ); | |
c7abc967 | 941 | |
ba0730de RR |
942 | bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); |
943 | ||
944 | // Retrieve depth | |
c7abc967 | 945 | |
ba0730de RR |
946 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
947 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
948 | int bpp = visual->depth; | |
c7abc967 | 949 | |
ba0730de | 950 | bitmap.SetDepth( bpp ); |
c7abc967 | 951 | |
ba0730de RR |
952 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; |
953 | if (bpp < 8) bpp = 8; | |
c7abc967 | 954 | |
ba0730de RR |
955 | #if (GTK_MINOR_VERSION > 0) |
956 | ||
957 | if (!HasMask() && (bpp > 8)) | |
958 | { | |
959 | static bool s_hasInitialized = FALSE; | |
c7abc967 | 960 | |
ba0730de RR |
961 | if (!s_hasInitialized) |
962 | { | |
963 | gdk_rgb_init(); | |
964 | s_hasInitialized = TRUE; | |
965 | } | |
c7abc967 | 966 | |
ba0730de | 967 | GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() ); |
c7abc967 | 968 | |
ba0730de RR |
969 | gdk_draw_rgb_image( bitmap.GetPixmap(), |
970 | gc, | |
971 | 0, 0, | |
972 | width, height, | |
973 | GDK_RGB_DITHER_NONE, | |
974 | GetData(), | |
975 | width*3 ); | |
c7abc967 | 976 | |
ba0730de | 977 | gdk_gc_unref( gc ); |
c7abc967 | 978 | |
ba0730de RR |
979 | return bitmap; |
980 | } | |
c7abc967 | 981 | |
ba0730de | 982 | #endif |
c7abc967 | 983 | |
ba0730de | 984 | // Create picture image |
c7abc967 | 985 | |
99c67c77 | 986 | GdkImage *data_image = |
dbda9e86 | 987 | gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); |
c7abc967 | 988 | |
ba0730de | 989 | // Create mask image |
c7abc967 | 990 | |
99c67c77 | 991 | GdkImage *mask_image = (GdkImage*) NULL; |
c7abc967 | 992 | |
99c67c77 RR |
993 | if (HasMask()) |
994 | { | |
995 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
c7abc967 | 996 | |
99c67c77 | 997 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
c7abc967 | 998 | |
4698648f VZ |
999 | wxMask *mask = new wxMask(); |
1000 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
c7abc967 | 1001 | |
4698648f | 1002 | bitmap.SetMask( mask ); |
99c67c77 | 1003 | } |
c7abc967 | 1004 | |
99c67c77 | 1005 | // Render |
c7abc967 | 1006 | |
99c67c77 RR |
1007 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
1008 | byte_order b_o = RGB; | |
c7abc967 | 1009 | |
99c67c77 RR |
1010 | if (bpp >= 24) |
1011 | { | |
1012 | GdkVisual *visual = gdk_visual_get_system(); | |
1013 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; | |
1014 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB; | |
1015 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; | |
1016 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; | |
1017 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; | |
1018 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; | |
1019 | } | |
c7abc967 | 1020 | |
99c67c77 RR |
1021 | int r_mask = GetMaskRed(); |
1022 | int g_mask = GetMaskGreen(); | |
1023 | int b_mask = GetMaskBlue(); | |
c7abc967 | 1024 | |
99c67c77 | 1025 | unsigned char* data = GetData(); |
c7abc967 | 1026 | |
99c67c77 RR |
1027 | int index = 0; |
1028 | for (int y = 0; y < height; y++) | |
1029 | { | |
1030 | for (int x = 0; x < width; x++) | |
1031 | { | |
1032 | int r = data[index]; | |
4698648f | 1033 | index++; |
99c67c77 | 1034 | int g = data[index]; |
4698648f | 1035 | index++; |
99c67c77 | 1036 | int b = data[index]; |
4698648f | 1037 | index++; |
c7abc967 | 1038 | |
4698648f VZ |
1039 | if (HasMask()) |
1040 | { | |
1041 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1042 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1043 | else | |
1044 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1045 | } | |
c7abc967 | 1046 | |
4698648f VZ |
1047 | if (HasMask()) |
1048 | { | |
1049 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1050 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1051 | else | |
1052 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1053 | } | |
c7abc967 | 1054 | |
4698648f VZ |
1055 | switch (bpp) |
1056 | { | |
dbda9e86 | 1057 | case 8: |
4698648f | 1058 | { |
f6fcbb63 | 1059 | int pixel = -1; |
4698648f VZ |
1060 | if (wxTheApp->m_colorCube) |
1061 | { | |
38274997 | 1062 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
4698648f | 1063 | } |
f6fcbb63 | 1064 | else |
4698648f VZ |
1065 | { |
1066 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
f6fcbb63 RR |
1067 | GdkColor *colors = cmap->colors; |
1068 | int max = 3 * (65536); | |
c7abc967 | 1069 | |
f6fcbb63 RR |
1070 | for (int i = 0; i < cmap->size; i++) |
1071 | { | |
1072 | int rdiff = (r << 8) - colors[i].red; | |
1073 | int gdiff = (g << 8) - colors[i].green; | |
1074 | int bdiff = (b << 8) - colors[i].blue; | |
1075 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); | |
1076 | if (sum < max) { pixel = i; max = sum; } | |
4698648f | 1077 | } |
99c67c77 | 1078 | } |
c7abc967 | 1079 | |
4698648f | 1080 | gdk_image_put_pixel( data_image, x, y, pixel ); |
c7abc967 | 1081 | |
4698648f VZ |
1082 | break; |
1083 | } | |
dbda9e86 | 1084 | case 15: |
4698648f VZ |
1085 | { |
1086 | guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1087 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1088 | break; | |
1089 | } | |
dbda9e86 | 1090 | case 16: |
4698648f VZ |
1091 | { |
1092 | guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1093 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1094 | break; | |
1095 | } | |
dbda9e86 JS |
1096 | case 32: |
1097 | case 24: | |
4698648f VZ |
1098 | { |
1099 | guint32 pixel = 0; | |
1100 | switch (b_o) | |
1101 | { | |
dbda9e86 JS |
1102 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
1103 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1104 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1105 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1106 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1107 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
4698648f VZ |
1108 | } |
1109 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1110 | } | |
dbda9e86 | 1111 | default: break; |
4698648f | 1112 | } |
99c67c77 RR |
1113 | } // for |
1114 | } // for | |
c7abc967 | 1115 | |
99c67c77 | 1116 | // Blit picture |
c7abc967 | 1117 | |
99c67c77 | 1118 | GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() ); |
c7abc967 | 1119 | |
99c67c77 | 1120 | gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1121 | |
99c67c77 RR |
1122 | gdk_image_destroy( data_image ); |
1123 | gdk_gc_unref( data_gc ); | |
c7abc967 | 1124 | |
99c67c77 | 1125 | // Blit mask |
c7abc967 | 1126 | |
99c67c77 RR |
1127 | if (HasMask()) |
1128 | { | |
1129 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
c7abc967 | 1130 | |
99c67c77 | 1131 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1132 | |
99c67c77 RR |
1133 | gdk_image_destroy( mask_image ); |
1134 | gdk_gc_unref( mask_gc ); | |
1135 | } | |
c7abc967 | 1136 | |
99c67c77 RR |
1137 | return bitmap; |
1138 | } | |
1139 | ||
1140 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1141 | { | |
50920146 | 1142 | wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); |
c7abc967 | 1143 | |
99c67c77 | 1144 | GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(), |
dbda9e86 JS |
1145 | 0, 0, |
1146 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1147 | |
50920146 | 1148 | wxCHECK_RET( gdk_image, _T("couldn't create image") ); |
c7abc967 | 1149 | |
99c67c77 RR |
1150 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
1151 | char unsigned *data = GetData(); | |
c7abc967 | 1152 | |
99c67c77 RR |
1153 | if (!data) |
1154 | { | |
1155 | gdk_image_destroy( gdk_image ); | |
50920146 | 1156 | wxFAIL_MSG( _T("couldn't create image") ); |
4698648f | 1157 | return; |
99c67c77 | 1158 | } |
c7abc967 | 1159 | |
99c67c77 RR |
1160 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
1161 | if (bitmap.GetMask()) | |
1162 | { | |
1163 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), | |
dbda9e86 JS |
1164 | 0, 0, |
1165 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1166 | |
4698648f | 1167 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
99c67c77 | 1168 | } |
c7abc967 | 1169 | |
99c67c77 RR |
1170 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
1171 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
1172 | int bpp = visual->depth; | |
1173 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; | |
c7abc967 | 1174 | |
99c67c77 | 1175 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
c7abc967 | 1176 | |
99c67c77 RR |
1177 | long pos = 0; |
1178 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1179 | { | |
1180 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1181 | { | |
1182 | int pixel = gdk_image_get_pixel( gdk_image, i, j ); | |
1183 | if (bpp <= 8) | |
1184 | { | |
1185 | data[pos] = cmap->colors[pixel].red >> 8; | |
1186 | data[pos+1] = cmap->colors[pixel].green >> 8; | |
1187 | data[pos+2] = cmap->colors[pixel].blue >> 8; | |
1188 | } else if (bpp == 15) | |
1189 | { | |
1190 | data[pos] = (pixel >> 7) & 0xf8; | |
1191 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1192 | data[pos+2] = (pixel << 3) & 0xf8; | |
1193 | } else if (bpp == 16) | |
1194 | { | |
1195 | data[pos] = (pixel >> 8) & 0xf8; | |
1196 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1197 | data[pos+2] = (pixel << 3) & 0xf8; | |
1198 | } else | |
1199 | { | |
1200 | data[pos] = (pixel >> 16) & 0xff; | |
1201 | data[pos+1] = (pixel >> 8) & 0xff; | |
1202 | data[pos+2] = pixel & 0xff; | |
1203 | } | |
c7abc967 | 1204 | |
4698648f VZ |
1205 | if (gdk_image_mask) |
1206 | { | |
1207 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1208 | if (mask_pixel == 0) | |
1209 | { | |
99c67c77 RR |
1210 | data[pos] = 16; |
1211 | data[pos+1] = 16; | |
1212 | data[pos+2] = 16; | |
dbda9e86 | 1213 | } |
4698648f | 1214 | } |
c7abc967 | 1215 | |
99c67c77 RR |
1216 | pos += 3; |
1217 | } | |
1218 | } | |
c7abc967 | 1219 | |
99c67c77 RR |
1220 | gdk_image_destroy( gdk_image ); |
1221 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1222 | } | |
1223 | ||
1224 | #endif | |
ee4c6942 | 1225 | |
ce4169a4 RR |
1226 | //----------------------------------------------------------------------------- |
1227 | // Motif conversion routines | |
1228 | //----------------------------------------------------------------------------- | |
1229 | ||
ee4c6942 | 1230 | #ifdef __WXMOTIF__ |
b75867a6 RR |
1231 | |
1232 | #include <Xm/Xm.h> | |
1233 | #include "wx/utils.h" | |
38274997 | 1234 | #include <math.h> |
b75867a6 | 1235 | |
ee4c6942 JS |
1236 | wxBitmap wxImage::ConvertToBitmap() const |
1237 | { | |
b75867a6 | 1238 | wxBitmap bitmap; |
c7abc967 | 1239 | |
50920146 | 1240 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
a91b47e8 | 1241 | |
b75867a6 RR |
1242 | int width = GetWidth(); |
1243 | int height = GetHeight(); | |
c7abc967 | 1244 | |
b75867a6 RR |
1245 | bitmap.SetHeight( height ); |
1246 | bitmap.SetWidth( width ); | |
c7abc967 | 1247 | |
b75867a6 RR |
1248 | Display *dpy = (Display*) wxGetDisplay(); |
1249 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1250 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
c7abc967 | 1251 | |
b75867a6 | 1252 | // Create image |
c7abc967 | 1253 | |
b75867a6 | 1254 | XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); |
a91b47e8 | 1255 | data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); |
c7abc967 | 1256 | |
b75867a6 | 1257 | bitmap.Create( width, height, bpp ); |
a91b47e8 | 1258 | |
dbda9e86 | 1259 | /* |
b75867a6 | 1260 | // Create mask |
c7abc967 | 1261 | |
dbda9e86 | 1262 | GdkImage *mask_image = (GdkImage*) NULL; |
c7abc967 | 1263 | |
dbda9e86 JS |
1264 | if (HasMask()) |
1265 | { | |
b75867a6 | 1266 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
c7abc967 | 1267 | |
dbda9e86 | 1268 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
c7abc967 | 1269 | |
dbda9e86 JS |
1270 | wxMask *mask = new wxMask(); |
1271 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
c7abc967 | 1272 | |
dbda9e86 JS |
1273 | bitmap.SetMask( mask ); |
1274 | } | |
1275 | */ | |
c7abc967 | 1276 | |
b75867a6 | 1277 | // Retrieve depth info |
c7abc967 | 1278 | |
b75867a6 RR |
1279 | XVisualInfo vinfo_template; |
1280 | XVisualInfo *vi; | |
c7abc967 | 1281 | |
b75867a6 RR |
1282 | vinfo_template.visual = vis; |
1283 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1284 | vinfo_template.depth = bpp; | |
1285 | int nitem = 0; | |
c7abc967 | 1286 | |
b75867a6 | 1287 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
c7abc967 VZ |
1288 | |
1289 | wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") ); | |
1290 | ||
38274997 | 1291 | XFree( vi ); |
a91b47e8 | 1292 | |
b75867a6 RR |
1293 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
1294 | if (bpp < 8) bpp = 8; | |
c7abc967 | 1295 | |
b75867a6 | 1296 | // Render |
c7abc967 | 1297 | |
b75867a6 RR |
1298 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
1299 | byte_order b_o = RGB; | |
c7abc967 | 1300 | |
b75867a6 RR |
1301 | if (bpp >= 24) |
1302 | { | |
1303 | if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; | |
1304 | else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; | |
1305 | else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; | |
1306 | else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; | |
1307 | else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB; | |
1308 | else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR; | |
1309 | } | |
c7abc967 | 1310 | |
dbda9e86 | 1311 | /* |
b75867a6 RR |
1312 | int r_mask = GetMaskRed(); |
1313 | int g_mask = GetMaskGreen(); | |
1314 | int b_mask = GetMaskBlue(); | |
dbda9e86 | 1315 | */ |
c7abc967 | 1316 | |
38274997 RR |
1317 | XColor colors[256]; |
1318 | if (bpp == 8) | |
1319 | { | |
dbda9e86 | 1320 | Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); |
c7abc967 | 1321 | |
38274997 | 1322 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
dbda9e86 | 1323 | XQueryColors( dpy, cmap, colors, 256 ); |
38274997 | 1324 | } |
c7abc967 | 1325 | |
b75867a6 | 1326 | unsigned char* data = GetData(); |
c7abc967 | 1327 | |
b75867a6 RR |
1328 | int index = 0; |
1329 | for (int y = 0; y < height; y++) | |
1330 | { | |
1331 | for (int x = 0; x < width; x++) | |
1332 | { | |
1333 | int r = data[index]; | |
dbda9e86 | 1334 | index++; |
b75867a6 | 1335 | int g = data[index]; |
dbda9e86 | 1336 | index++; |
b75867a6 | 1337 | int b = data[index]; |
dbda9e86 | 1338 | index++; |
c7abc967 | 1339 | |
dbda9e86 JS |
1340 | /* |
1341 | if (HasMask()) | |
1342 | { | |
1343 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1344 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1345 | else | |
1346 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1347 | } | |
1348 | */ | |
c7abc967 | 1349 | |
dbda9e86 JS |
1350 | switch (bpp) |
1351 | { | |
1352 | case 8: | |
1353 | { | |
b75867a6 | 1354 | int pixel = -1; |
dbda9e86 JS |
1355 | /* |
1356 | if (wxTheApp->m_colorCube) | |
1357 | { | |
1358 | pixel = wxTheApp->m_colorCube | |
c7abc967 VZ |
1359 | [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
1360 | } | |
b75867a6 | 1361 | else |
dbda9e86 JS |
1362 | { |
1363 | */ | |
1364 | int max = 3 * (65536); | |
1365 | for (int i = 0; i < 256; i++) | |
1366 | { | |
1367 | int rdiff = (r << 8) - colors[i].red; | |
1368 | int gdiff = (g << 8) - colors[i].green; | |
1369 | int bdiff = (b << 8) - colors[i].blue; | |
1370 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); | |
1371 | if (sum < max) { pixel = i; max = sum; } | |
1372 | } | |
1373 | /* | |
1374 | } | |
1375 | */ | |
1376 | XPutPixel( data_image, x, y, pixel ); | |
1377 | break; | |
1378 | } | |
1379 | case 15: | |
1380 | { | |
1381 | int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1382 | XPutPixel( data_image, x, y, pixel ); | |
1383 | break; | |
1384 | } | |
1385 | case 16: | |
1386 | { | |
1387 | int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1388 | XPutPixel( data_image, x, y, pixel ); | |
1389 | break; | |
1390 | } | |
1391 | case 32: | |
1392 | case 24: | |
1393 | { | |
1394 | int pixel = 0; | |
1395 | switch (b_o) | |
1396 | { | |
1397 | case RGB: pixel = (r << 16) | (g << 8) | b; break; | |
1398 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1399 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1400 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1401 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1402 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
1403 | } | |
1404 | XPutPixel( data_image, x, y, pixel ); | |
1405 | } | |
1406 | default: break; | |
1407 | } | |
b75867a6 RR |
1408 | } // for |
1409 | } // for | |
c7abc967 | 1410 | |
b75867a6 | 1411 | // Blit picture |
c7abc967 | 1412 | |
b75867a6 RR |
1413 | XGCValues gcvalues; |
1414 | gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); | |
1415 | GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); | |
1416 | XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); | |
c7abc967 | 1417 | |
b75867a6 RR |
1418 | XDestroyImage( data_image ); |
1419 | XFreeGC( dpy, gc ); | |
c7abc967 | 1420 | |
dbda9e86 | 1421 | /* |
b75867a6 | 1422 | // Blit mask |
c7abc967 | 1423 | |
dbda9e86 JS |
1424 | if (HasMask()) |
1425 | { | |
1426 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
c7abc967 | 1427 | |
b75867a6 | 1428 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1429 | |
dbda9e86 JS |
1430 | gdk_image_destroy( mask_image ); |
1431 | gdk_gc_unref( mask_gc ); | |
1432 | } | |
1433 | */ | |
c7abc967 | 1434 | |
b75867a6 | 1435 | return bitmap; |
ee4c6942 JS |
1436 | } |
1437 | ||
1438 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1439 | { | |
50920146 | 1440 | wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); |
c7abc967 | 1441 | |
38274997 RR |
1442 | Display *dpy = (Display*) wxGetDisplay(); |
1443 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1444 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
c7abc967 | 1445 | |
38274997 | 1446 | XImage *ximage = XGetImage( dpy, |
dbda9e86 JS |
1447 | (Drawable)bitmap.GetPixmap(), |
1448 | 0, 0, | |
1449 | bitmap.GetWidth(), bitmap.GetHeight(), | |
1450 | AllPlanes, ZPixmap ); | |
c7abc967 | 1451 | |
50920146 | 1452 | wxCHECK_RET( ximage, _T("couldn't create image") ); |
c7abc967 | 1453 | |
38274997 RR |
1454 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
1455 | char unsigned *data = GetData(); | |
c7abc967 | 1456 | |
38274997 RR |
1457 | if (!data) |
1458 | { | |
1459 | XDestroyImage( ximage ); | |
50920146 | 1460 | wxFAIL_MSG( _T("couldn't create image") ); |
38274997 RR |
1461 | return; |
1462 | } | |
c7abc967 | 1463 | |
dbda9e86 | 1464 | /* |
38274997 RR |
1465 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
1466 | if (bitmap.GetMask()) | |
1467 | { | |
dbda9e86 JS |
1468 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), |
1469 | 0, 0, | |
1470 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1471 | |
dbda9e86 JS |
1472 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
1473 | } | |
1474 | */ | |
c7abc967 | 1475 | |
38274997 | 1476 | // Retrieve depth info |
c7abc967 | 1477 | |
38274997 RR |
1478 | XVisualInfo vinfo_template; |
1479 | XVisualInfo *vi; | |
c7abc967 | 1480 | |
38274997 RR |
1481 | vinfo_template.visual = vis; |
1482 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1483 | vinfo_template.depth = bpp; | |
1484 | int nitem = 0; | |
c7abc967 | 1485 | |
38274997 | 1486 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
c7abc967 | 1487 | |
bea74fbb | 1488 | wxCHECK_RET( vi, _T("no visual") ); |
c7abc967 | 1489 | |
38274997 | 1490 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
c7abc967 | 1491 | |
38274997 | 1492 | XFree( vi ); |
c7abc967 | 1493 | |
38274997 RR |
1494 | XColor colors[256]; |
1495 | if (bpp == 8) | |
1496 | { | |
dbda9e86 | 1497 | Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); |
c7abc967 | 1498 | |
38274997 | 1499 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
dbda9e86 | 1500 | XQueryColors( dpy, cmap, colors, 256 ); |
38274997 | 1501 | } |
c7abc967 | 1502 | |
38274997 RR |
1503 | long pos = 0; |
1504 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1505 | { | |
1506 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1507 | { | |
dbda9e86 | 1508 | int pixel = XGetPixel( ximage, i, j ); |
38274997 RR |
1509 | if (bpp <= 8) |
1510 | { | |
1511 | data[pos] = colors[pixel].red >> 8; | |
1512 | data[pos+1] = colors[pixel].green >> 8; | |
1513 | data[pos+2] = colors[pixel].blue >> 8; | |
1514 | } else if (bpp == 15) | |
1515 | { | |
1516 | data[pos] = (pixel >> 7) & 0xf8; | |
1517 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1518 | data[pos+2] = (pixel << 3) & 0xf8; | |
1519 | } else if (bpp == 16) | |
1520 | { | |
1521 | data[pos] = (pixel >> 8) & 0xf8; | |
1522 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1523 | data[pos+2] = (pixel << 3) & 0xf8; | |
1524 | } else | |
1525 | { | |
1526 | data[pos] = (pixel >> 16) & 0xff; | |
1527 | data[pos+1] = (pixel >> 8) & 0xff; | |
1528 | data[pos+2] = pixel & 0xff; | |
1529 | } | |
c7abc967 | 1530 | |
dbda9e86 | 1531 | /* |
38274997 RR |
1532 | if (gdk_image_mask) |
1533 | { | |
dbda9e86 JS |
1534 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
1535 | if (mask_pixel == 0) | |
1536 | { | |
1537 | data[pos] = 16; | |
1538 | data[pos+1] = 16; | |
1539 | data[pos+2] = 16; | |
38274997 | 1540 | } |
dbda9e86 JS |
1541 | } |
1542 | */ | |
c7abc967 | 1543 | |
38274997 RR |
1544 | pos += 3; |
1545 | } | |
1546 | } | |
c7abc967 | 1547 | |
38274997 | 1548 | XDestroyImage( ximage ); |
dbda9e86 | 1549 | /* |
38274997 | 1550 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
dbda9e86 | 1551 | */ |
ee4c6942 JS |
1552 | } |
1553 | #endif | |
a91b47e8 JS |
1554 | |
1555 | // A module to allow wxImage initialization/cleanup | |
1556 | // without calling these functions from app.cpp or from | |
1557 | // the user's application. | |
1558 | ||
1559 | class wxImageModule: public wxModule | |
1560 | { | |
1561 | DECLARE_DYNAMIC_CLASS(wxImageModule) | |
1562 | public: | |
1563 | wxImageModule() {} | |
1564 | bool OnInit() { wxImage::InitStandardHandlers(); return TRUE; }; | |
1565 | void OnExit() { wxImage::CleanUpHandlers(); }; | |
1566 | }; | |
1567 | ||
1568 | IMPLEMENT_DYNAMIC_CLASS(wxImageModule, wxModule) |