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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__ | |
18 | #pragma hdrstop | |
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 JS |
34 | #ifdef __SALFORDC__ |
35 | #ifdef FAR | |
36 | #undef FAR | |
37 | #endif | |
38 | #endif | |
39 | ||
2432b92d JS |
40 | #ifdef __WXMSW__ |
41 | #include <windows.h> | |
42 | #endif | |
43 | ||
01111366 RR |
44 | //----------------------------------------------------------------------------- |
45 | // wxImage | |
46 | //----------------------------------------------------------------------------- | |
47 | ||
48 | class wxImageRefData: public wxObjectRefData | |
49 | { | |
c7abc967 | 50 | |
fd0eed64 | 51 | public: |
dbda9e86 JS |
52 | wxImageRefData(void); |
53 | ~wxImageRefData(void); | |
c7abc967 | 54 | |
dbda9e86 JS |
55 | int m_width; |
56 | int m_height; | |
57 | unsigned char *m_data; | |
58 | bool m_hasMask; | |
59 | unsigned char m_maskRed,m_maskGreen,m_maskBlue; | |
60 | bool m_ok; | |
01111366 RR |
61 | }; |
62 | ||
63 | wxImageRefData::wxImageRefData(void) | |
64 | { | |
fd0eed64 RR |
65 | m_width = 0; |
66 | m_height = 0; | |
67 | m_data = (unsigned char*) NULL; | |
68 | m_ok = FALSE; | |
69 | m_maskRed = 0; | |
70 | m_maskGreen = 0; | |
71 | m_maskBlue = 0; | |
72 | m_hasMask = FALSE; | |
01111366 RR |
73 | } |
74 | ||
75 | wxImageRefData::~wxImageRefData(void) | |
76 | { | |
fd0eed64 | 77 | if (m_data) free( m_data ); |
01111366 RR |
78 | } |
79 | ||
80 | wxList wxImage::sm_handlers; | |
81 | ||
82 | //----------------------------------------------------------------------------- | |
83 | ||
84 | #define M_IMGDATA ((wxImageRefData *)m_refData) | |
85 | ||
86 | #if !USE_SHARED_LIBRARIES | |
87 | IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject) | |
88 | #endif | |
89 | ||
90 | wxImage::wxImage() | |
91 | { | |
92 | } | |
93 | ||
94 | wxImage::wxImage( int width, int height ) | |
95 | { | |
fd0eed64 | 96 | Create( width, height ); |
01111366 RR |
97 | } |
98 | ||
99 | wxImage::wxImage( const wxString& name, long type ) | |
100 | { | |
fd0eed64 | 101 | LoadFile( name, type ); |
01111366 RR |
102 | } |
103 | ||
9e9ee68e VS |
104 | wxImage::wxImage( const wxString& name, const wxString& mimetype ) |
105 | { | |
106 | LoadFile( name, mimetype ); | |
107 | } | |
108 | ||
e02afc7a | 109 | #if wxUSE_STREAMS |
3d05544e JS |
110 | wxImage::wxImage( wxInputStream& stream, long type ) |
111 | { | |
112 | LoadFile( stream, type ); | |
113 | } | |
9e9ee68e VS |
114 | |
115 | wxImage::wxImage( wxInputStream& stream, const wxString& mimetype ) | |
116 | { | |
117 | LoadFile( stream, mimetype ); | |
118 | } | |
e02afc7a | 119 | #endif // wxUSE_STREAMS |
3d05544e | 120 | |
4698648f VZ |
121 | wxImage::wxImage( const wxImage& image ) |
122 | { | |
123 | Ref(image); | |
01111366 RR |
124 | } |
125 | ||
4698648f VZ |
126 | wxImage::wxImage( const wxImage* image ) |
127 | { | |
128 | if (image) Ref(*image); | |
01111366 RR |
129 | } |
130 | ||
131 | void wxImage::Create( int width, int height ) | |
132 | { | |
fd0eed64 | 133 | m_refData = new wxImageRefData(); |
c7abc967 | 134 | |
fd0eed64 RR |
135 | M_IMGDATA->m_data = (unsigned char *) malloc( width*height*3 ); |
136 | if (M_IMGDATA->m_data) | |
137 | { | |
138 | for (int l = 0; l < width*height*3; l++) M_IMGDATA->m_data[l] = 0; | |
c7abc967 | 139 | |
fd0eed64 RR |
140 | M_IMGDATA->m_width = width; |
141 | M_IMGDATA->m_height = height; | |
142 | M_IMGDATA->m_ok = TRUE; | |
143 | } | |
144 | else | |
145 | { | |
146 | UnRef(); | |
147 | } | |
01111366 RR |
148 | } |
149 | ||
150 | void wxImage::Destroy() | |
151 | { | |
fd0eed64 | 152 | UnRef(); |
01111366 RR |
153 | } |
154 | ||
4bc67cc5 RR |
155 | wxImage wxImage::Scale( int width, int height ) |
156 | { | |
157 | wxImage image; | |
c7abc967 | 158 | |
50920146 | 159 | wxCHECK_MSG( Ok(), image, _T("invalid image") ); |
c7abc967 | 160 | |
50920146 | 161 | wxCHECK_MSG( (width > 0) && (height > 0), image, _T("invalid image size") ); |
c7abc967 | 162 | |
4bc67cc5 | 163 | image.Create( width, height ); |
c7abc967 | 164 | |
4bc67cc5 | 165 | char unsigned *data = image.GetData(); |
c7abc967 | 166 | |
50920146 | 167 | wxCHECK_MSG( data, image, _T("unable to create image") ); |
c7abc967 | 168 | |
4bc67cc5 RR |
169 | if (M_IMGDATA->m_hasMask) |
170 | image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); | |
c7abc967 | 171 | |
6e13c196 RR |
172 | long old_height = M_IMGDATA->m_height; |
173 | long old_width = M_IMGDATA->m_width; | |
c7abc967 | 174 | |
6e13c196 RR |
175 | char unsigned *source_data = M_IMGDATA->m_data; |
176 | char unsigned *target_data = data; | |
c7abc967 | 177 | |
6e13c196 | 178 | for (long j = 0; j < height; j++) |
4bc67cc5 | 179 | { |
6e13c196 | 180 | long y_offset = (j * old_height / height) * old_width; |
c7abc967 | 181 | |
6e13c196 | 182 | for (long i = 0; i < width; i++) |
4698648f | 183 | { |
c7abc967 VZ |
184 | memcpy( target_data, |
185 | source_data + 3*(y_offset + ((i * old_width )/ width)), | |
dbda9e86 | 186 | 3 ); |
6e13c196 | 187 | target_data += 3; |
4698648f | 188 | } |
4bc67cc5 | 189 | } |
c7abc967 | 190 | |
4bc67cc5 RR |
191 | return image; |
192 | } | |
4698648f | 193 | |
ef539066 RR |
194 | void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) |
195 | { | |
50920146 | 196 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 197 | |
ef539066 RR |
198 | int w = M_IMGDATA->m_width; |
199 | int h = M_IMGDATA->m_height; | |
c7abc967 | 200 | |
50920146 | 201 | wxCHECK_RET( (x>=0) && (y>=0) && (x<w) && (y<h), _T("invalid image index") ); |
c7abc967 | 202 | |
ef539066 | 203 | long pos = (y * w + x) * 3; |
c7abc967 | 204 | |
ef539066 RR |
205 | M_IMGDATA->m_data[ pos ] = r; |
206 | M_IMGDATA->m_data[ pos+1 ] = g; | |
207 | M_IMGDATA->m_data[ pos+2 ] = b; | |
208 | } | |
209 | ||
210 | unsigned char wxImage::GetRed( int x, int y ) | |
211 | { | |
50920146 | 212 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 213 | |
ef539066 RR |
214 | int w = M_IMGDATA->m_width; |
215 | int h = M_IMGDATA->m_height; | |
c7abc967 | 216 | |
50920146 | 217 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 218 | |
ef539066 | 219 | long pos = (y * w + x) * 3; |
c7abc967 | 220 | |
ef539066 RR |
221 | return M_IMGDATA->m_data[pos]; |
222 | } | |
223 | ||
224 | unsigned char wxImage::GetGreen( int x, int y ) | |
225 | { | |
50920146 | 226 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 227 | |
ef539066 RR |
228 | int w = M_IMGDATA->m_width; |
229 | int h = M_IMGDATA->m_height; | |
c7abc967 | 230 | |
50920146 | 231 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 232 | |
ef539066 | 233 | long pos = (y * w + x) * 3; |
c7abc967 | 234 | |
ef539066 RR |
235 | return M_IMGDATA->m_data[pos+1]; |
236 | } | |
237 | ||
238 | unsigned char wxImage::GetBlue( int x, int y ) | |
239 | { | |
50920146 | 240 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 241 | |
ef539066 RR |
242 | int w = M_IMGDATA->m_width; |
243 | int h = M_IMGDATA->m_height; | |
c7abc967 | 244 | |
50920146 | 245 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") ); |
c7abc967 | 246 | |
ef539066 | 247 | long pos = (y * w + x) * 3; |
c7abc967 | 248 | |
ef539066 RR |
249 | return M_IMGDATA->m_data[pos+2]; |
250 | } | |
4698648f VZ |
251 | |
252 | bool wxImage::Ok() const | |
253 | { | |
254 | return (M_IMGDATA && M_IMGDATA->m_ok); | |
01111366 RR |
255 | } |
256 | ||
257 | char unsigned *wxImage::GetData() const | |
258 | { | |
50920146 | 259 | wxCHECK_MSG( Ok(), (char unsigned *)NULL, _T("invalid image") ); |
c7abc967 | 260 | |
fd0eed64 | 261 | return M_IMGDATA->m_data; |
01111366 RR |
262 | } |
263 | ||
58a8ab88 | 264 | void wxImage::SetData( char unsigned *data ) |
01111366 | 265 | { |
50920146 | 266 | wxCHECK_RET( Ok(), _T("invalid image") ); |
58a8ab88 JS |
267 | |
268 | memcpy(M_IMGDATA->m_data, data, M_IMGDATA->m_width * M_IMGDATA->m_height * 3); | |
01111366 RR |
269 | } |
270 | ||
271 | void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) | |
272 | { | |
50920146 | 273 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 274 | |
fd0eed64 RR |
275 | M_IMGDATA->m_maskRed = r; |
276 | M_IMGDATA->m_maskGreen = g; | |
277 | M_IMGDATA->m_maskBlue = b; | |
278 | M_IMGDATA->m_hasMask = TRUE; | |
01111366 RR |
279 | } |
280 | ||
281 | unsigned char wxImage::GetMaskRed() const | |
282 | { | |
50920146 | 283 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 284 | |
fd0eed64 | 285 | return M_IMGDATA->m_maskRed; |
01111366 RR |
286 | } |
287 | ||
288 | unsigned char wxImage::GetMaskGreen() const | |
289 | { | |
50920146 | 290 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 291 | |
fd0eed64 | 292 | return M_IMGDATA->m_maskGreen; |
01111366 RR |
293 | } |
294 | ||
295 | unsigned char wxImage::GetMaskBlue() const | |
296 | { | |
50920146 | 297 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 298 | |
fd0eed64 | 299 | return M_IMGDATA->m_maskBlue; |
01111366 | 300 | } |
4698648f | 301 | |
01111366 RR |
302 | void wxImage::SetMask( bool mask ) |
303 | { | |
50920146 | 304 | wxCHECK_RET( Ok(), _T("invalid image") ); |
c7abc967 | 305 | |
fd0eed64 | 306 | M_IMGDATA->m_hasMask = mask; |
01111366 RR |
307 | } |
308 | ||
309 | bool wxImage::HasMask() const | |
310 | { | |
50920146 | 311 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 312 | |
fd0eed64 | 313 | return M_IMGDATA->m_hasMask; |
01111366 RR |
314 | } |
315 | ||
4698648f VZ |
316 | int wxImage::GetWidth() const |
317 | { | |
50920146 | 318 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 319 | |
4698648f | 320 | return M_IMGDATA->m_width; |
01111366 RR |
321 | } |
322 | ||
4698648f VZ |
323 | int wxImage::GetHeight() const |
324 | { | |
50920146 | 325 | wxCHECK_MSG( Ok(), 0, _T("invalid image") ); |
c7abc967 | 326 | |
4698648f | 327 | return M_IMGDATA->m_height; |
01111366 RR |
328 | } |
329 | ||
330 | bool wxImage::LoadFile( const wxString& filename, long type ) | |
331 | { | |
e02afc7a | 332 | #if wxUSE_STREAMS |
3d05544e | 333 | if (wxFileExists(filename)) |
fd0eed64 | 334 | { |
3d05544e JS |
335 | wxFileInputStream stream(filename); |
336 | return LoadFile(stream, type); | |
337 | } | |
9e9ee68e VS |
338 | |
339 | else { | |
50920146 | 340 | wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
9e9ee68e VS |
341 | |
342 | return FALSE; | |
343 | } | |
344 | #else // !wxUSE_STREAMS | |
345 | return FALSE; | |
346 | #endif // wxUSE_STREAMS | |
347 | } | |
348 | ||
349 | bool wxImage::LoadFile( const wxString& filename, const wxString& mimetype ) | |
350 | { | |
351 | #if wxUSE_STREAMS | |
352 | if (wxFileExists(filename)) | |
353 | { | |
354 | wxFileInputStream stream(filename); | |
355 | return LoadFile(stream, mimetype); | |
356 | } | |
c7abc967 | 357 | |
3d05544e | 358 | else { |
50920146 | 359 | wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
c7abc967 | 360 | |
fd0eed64 RR |
361 | return FALSE; |
362 | } | |
e02afc7a | 363 | #else // !wxUSE_STREAMS |
dbda9e86 | 364 | return FALSE; |
e02afc7a | 365 | #endif // wxUSE_STREAMS |
1ccbb61a VZ |
366 | } |
367 | ||
368 | bool wxImage::SaveFile( const wxString& filename, int type ) | |
369 | { | |
e02afc7a | 370 | #if wxUSE_STREAMS |
1ccbb61a | 371 | wxFileOutputStream stream(filename); |
9e9ee68e | 372 | |
1ccbb61a VZ |
373 | if ( stream.LastError() == wxStream_NOERROR ) |
374 | return SaveFile(stream, type); | |
375 | else | |
e02afc7a | 376 | #endif // wxUSE_STREAMS |
1ccbb61a | 377 | return FALSE; |
3d05544e | 378 | } |
01111366 | 379 | |
9e9ee68e VS |
380 | bool wxImage::SaveFile( const wxString& filename, const wxString& mimetype ) |
381 | { | |
382 | #if wxUSE_STREAMS | |
383 | wxFileOutputStream stream(filename); | |
c7abc967 | 384 | |
9e9ee68e VS |
385 | if ( stream.LastError() == wxStream_NOERROR ) |
386 | return SaveFile(stream, mimetype); | |
387 | else | |
388 | #endif // wxUSE_STREAMS | |
389 | return FALSE; | |
390 | } | |
391 | ||
e02afc7a | 392 | #if wxUSE_STREAMS |
3d05544e JS |
393 | bool wxImage::LoadFile( wxInputStream& stream, long type ) |
394 | { | |
395 | UnRef(); | |
c7abc967 | 396 | |
fd0eed64 | 397 | m_refData = new wxImageRefData; |
c7abc967 | 398 | |
fd0eed64 | 399 | wxImageHandler *handler = FindHandler(type); |
c7abc967 | 400 | |
4698648f | 401 | if (handler == NULL) |
fd0eed64 | 402 | { |
50920146 | 403 | wxLogWarning( _T("No image handler for type %d defined."), type ); |
c7abc967 | 404 | |
fd0eed64 RR |
405 | return FALSE; |
406 | } | |
c7abc967 | 407 | |
3d05544e | 408 | return handler->LoadFile( this, stream ); |
01111366 RR |
409 | } |
410 | ||
9e9ee68e VS |
411 | bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) |
412 | { | |
413 | UnRef(); | |
414 | ||
415 | m_refData = new wxImageRefData; | |
416 | ||
417 | wxImageHandler *handler = FindHandlerMime(mimetype); | |
418 | ||
419 | if (handler == NULL) | |
420 | { | |
50920146 | 421 | wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); |
9e9ee68e VS |
422 | |
423 | return FALSE; | |
424 | } | |
425 | ||
426 | return handler->LoadFile( this, stream ); | |
427 | } | |
428 | ||
3d05544e | 429 | bool wxImage::SaveFile( wxOutputStream& stream, int type ) |
01111366 | 430 | { |
50920146 | 431 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 432 | |
fd0eed64 | 433 | wxImageHandler *handler = FindHandler(type); |
c7abc967 | 434 | |
4698648f | 435 | if (handler == NULL) |
fd0eed64 | 436 | { |
50920146 | 437 | wxLogWarning( _T("No image handler for type %d defined."), type ); |
9e9ee68e VS |
438 | |
439 | return FALSE; | |
440 | } | |
441 | ||
442 | return handler->SaveFile( this, stream ); | |
443 | } | |
444 | ||
445 | bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) | |
446 | { | |
50920146 | 447 | wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); |
c7abc967 | 448 | |
9e9ee68e | 449 | wxImageHandler *handler = FindHandlerMime(mimetype); |
c7abc967 | 450 | |
9e9ee68e VS |
451 | if (handler == NULL) |
452 | { | |
50920146 | 453 | wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); |
c7abc967 | 454 | |
dbda9e86 | 455 | return FALSE; |
fd0eed64 | 456 | } |
c7abc967 | 457 | |
3d05544e | 458 | return handler->SaveFile( this, stream ); |
01111366 | 459 | } |
e02afc7a | 460 | #endif // wxUSE_STREAMS |
01111366 RR |
461 | |
462 | void wxImage::AddHandler( wxImageHandler *handler ) | |
463 | { | |
4698648f VZ |
464 | // make sure that the memory will be freed at the program end |
465 | sm_handlers.DeleteContents(TRUE); | |
c7abc967 | 466 | |
01111366 RR |
467 | sm_handlers.Append( handler ); |
468 | } | |
469 | ||
470 | void wxImage::InsertHandler( wxImageHandler *handler ) | |
471 | { | |
4698648f VZ |
472 | // make sure that the memory will be freed at the program end |
473 | sm_handlers.DeleteContents(TRUE); | |
c7abc967 | 474 | |
01111366 RR |
475 | sm_handlers.Insert( handler ); |
476 | } | |
477 | ||
478 | bool wxImage::RemoveHandler( const wxString& name ) | |
479 | { | |
fd0eed64 RR |
480 | wxImageHandler *handler = FindHandler(name); |
481 | if (handler) | |
482 | { | |
483 | sm_handlers.DeleteObject(handler); | |
484 | return TRUE; | |
485 | } | |
486 | else | |
487 | return FALSE; | |
01111366 RR |
488 | } |
489 | ||
490 | wxImageHandler *wxImage::FindHandler( const wxString& name ) | |
491 | { | |
fd0eed64 RR |
492 | wxNode *node = sm_handlers.First(); |
493 | while (node) | |
494 | { | |
495 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
ce3ed50d | 496 | if (handler->GetName().Cmp(name) == 0) return handler; |
c7abc967 | 497 | |
fd0eed64 RR |
498 | node = node->Next(); |
499 | } | |
500 | return (wxImageHandler *)NULL; | |
01111366 RR |
501 | } |
502 | ||
503 | wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType ) | |
504 | { | |
fd0eed64 RR |
505 | wxNode *node = sm_handlers.First(); |
506 | while (node) | |
507 | { | |
508 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
ce3ed50d | 509 | if ( (handler->GetExtension().Cmp(extension) == 0) && |
fd0eed64 | 510 | (bitmapType == -1 || handler->GetType() == bitmapType) ) |
dbda9e86 | 511 | return handler; |
fd0eed64 RR |
512 | node = node->Next(); |
513 | } | |
514 | return (wxImageHandler*)NULL; | |
01111366 RR |
515 | } |
516 | ||
517 | wxImageHandler *wxImage::FindHandler( long bitmapType ) | |
518 | { | |
fd0eed64 RR |
519 | wxNode *node = sm_handlers.First(); |
520 | while (node) | |
521 | { | |
522 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
523 | if (handler->GetType() == bitmapType) return handler; | |
524 | node = node->Next(); | |
525 | } | |
526 | return NULL; | |
527 | } | |
528 | ||
9e9ee68e VS |
529 | wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) |
530 | { | |
531 | wxNode *node = sm_handlers.First(); | |
532 | while (node) | |
533 | { | |
534 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
535 | if (handler->GetMimeType().IsSameAs(mimetype, FALSE)) return handler; | |
536 | node = node->Next(); | |
537 | } | |
538 | return NULL; | |
539 | } | |
540 | ||
fd0eed64 RR |
541 | void wxImage::InitStandardHandlers() |
542 | { | |
543 | AddHandler( new wxBMPHandler ); | |
01111366 RR |
544 | } |
545 | ||
546 | void wxImage::CleanUpHandlers() | |
547 | { | |
fd0eed64 RR |
548 | wxNode *node = sm_handlers.First(); |
549 | while (node) | |
550 | { | |
551 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
552 | wxNode *next = node->Next(); | |
553 | delete handler; | |
554 | delete node; | |
555 | node = next; | |
556 | } | |
01111366 RR |
557 | } |
558 | ||
559 | //----------------------------------------------------------------------------- | |
560 | // wxImageHandler | |
561 | //----------------------------------------------------------------------------- | |
562 | ||
563 | #if !USE_SHARED_LIBRARIES | |
564 | IMPLEMENT_DYNAMIC_CLASS(wxImageHandler,wxObject) | |
565 | #endif | |
566 | ||
e02afc7a | 567 | #if wxUSE_STREAMS |
3d05544e | 568 | bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream) ) |
01111366 | 569 | { |
fd0eed64 | 570 | return FALSE; |
01111366 RR |
571 | } |
572 | ||
3d05544e | 573 | bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream) ) |
01111366 | 574 | { |
fd0eed64 | 575 | return FALSE; |
01111366 | 576 | } |
e02afc7a | 577 | #endif // wxUSE_STREAMS |
01111366 | 578 | |
01111366 RR |
579 | //----------------------------------------------------------------------------- |
580 | // wxBMPHandler | |
581 | //----------------------------------------------------------------------------- | |
582 | ||
583 | #if !USE_SHARED_LIBRARIES | |
584 | IMPLEMENT_DYNAMIC_CLASS(wxBMPHandler,wxImageHandler) | |
585 | #endif | |
4698648f | 586 | |
e02afc7a | 587 | #if wxUSE_STREAMS |
27933891 | 588 | |
0b4f9ee3 | 589 | #ifndef BI_RGB |
01111366 RR |
590 | #define BI_RGB 0 |
591 | #define BI_RLE8 1 | |
592 | #define BI_RLE4 2 | |
62448488 | 593 | #endif |
c7abc967 | 594 | |
62448488 | 595 | #ifndef BI_BITFIELDS |
01111366 | 596 | #define BI_BITFIELDS 3 |
0b4f9ee3 | 597 | #endif |
c7abc967 | 598 | |
27933891 RR |
599 | #define poffset (line * width * 3 + column * 3) |
600 | ||
601 | bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) | |
602 | { | |
603 | int rshift = 0, gshift = 0, bshift = 0; | |
604 | wxUint8 aByte; | |
605 | wxUint16 aWord; | |
606 | wxInt32 dbuf[4], aDword, | |
607 | rmask = 0, gmask = 0, bmask = 0; | |
608 | wxInt8 bbuf[4]; | |
609 | struct _cmap { | |
610 | unsigned char r, g, b; | |
611 | } *cmap = NULL; | |
612 | ||
613 | off_t start_offset = stream.TellI(); | |
614 | ||
dbda9e86 | 615 | image->Destroy(); |
c7abc967 | 616 | |
dbda9e86 | 617 | /* |
27933891 RR |
618 | * Read the BMP header |
619 | */ | |
c7abc967 | 620 | |
27933891 RR |
621 | stream.Read( &bbuf, 2 ); |
622 | stream.Read( dbuf, 4 * 4 ); | |
c7abc967 | 623 | |
27933891 RR |
624 | wxInt32 size = wxINT32_SWAP_FROM_LE( dbuf[0] ); |
625 | wxInt32 offset = wxINT32_SWAP_FROM_LE( dbuf[2] ); | |
c7abc967 | 626 | |
dbda9e86 | 627 | stream.Read(dbuf, 4 * 2); |
27933891 RR |
628 | int width = (int)wxINT32_SWAP_FROM_LE( dbuf[0] ); |
629 | int height = (int)wxINT32_SWAP_FROM_LE( dbuf[1] ); | |
dbda9e86 JS |
630 | if (width > 32767) |
631 | { | |
c7abc967 | 632 | wxLogError( _T("Image width > 32767 pixels for file.") ); |
4698648f | 633 | return FALSE; |
dbda9e86 JS |
634 | } |
635 | if (height > 32767) | |
636 | { | |
c7abc967 | 637 | wxLogError( _T("Image height > 32767 pixels for file.") ); |
4698648f | 638 | return FALSE; |
dbda9e86 | 639 | } |
27933891 RR |
640 | |
641 | stream.Read( &aWord, 2 ); | |
642 | /* | |
643 | TODO | |
644 | int planes = (int)wxUINT16_SWAP_FROM_LE( aWord ); | |
645 | */ | |
646 | stream.Read( &aWord, 2 ); | |
647 | int bpp = (int)wxUINT16_SWAP_FROM_LE( aWord ); | |
c7abc967 | 648 | if (bpp != 1 && bpp != 4 && bpp != 8 && bpp != 16 && bpp != 24 && bpp != 32) |
dbda9e86 | 649 | { |
c7abc967 | 650 | wxLogError( _T("unknown bitdepth in file.") ); |
4698648f | 651 | return FALSE; |
dbda9e86 | 652 | } |
27933891 RR |
653 | |
654 | stream.Read( dbuf, 4 * 4 ); | |
655 | int comp = (int)wxINT32_SWAP_FROM_LE( dbuf[0] ); | |
dbda9e86 JS |
656 | if (comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && comp != BI_BITFIELDS) |
657 | { | |
c7abc967 | 658 | wxLogError( _T("unknown encoding in Windows BMP file.") ); |
4698648f | 659 | return FALSE; |
dbda9e86 | 660 | } |
27933891 RR |
661 | |
662 | stream.Read( dbuf, 4 * 2 ); | |
663 | int ncolors = (int)wxINT32_SWAP_FROM_LE( dbuf[0] ); | |
dbda9e86 JS |
664 | if (ncolors == 0) |
665 | ncolors = 1 << bpp; | |
666 | /* some more sanity checks */ | |
27933891 RR |
667 | if (((comp == BI_RLE4) && (bpp != 4)) || |
668 | ((comp == BI_RLE8) && (bpp != 8)) || | |
669 | ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32))) | |
dbda9e86 | 670 | { |
c7abc967 | 671 | wxLogError( _T("encoding of BMP doesn't match bitdepth.") ); |
4698648f | 672 | return FALSE; |
dbda9e86 JS |
673 | } |
674 | if (bpp < 16) | |
675 | { | |
4698648f | 676 | cmap = (struct _cmap *)malloc(sizeof(struct _cmap) * ncolors); |
4698648f | 677 | if (!cmap) |
dbda9e86 | 678 | { |
c7abc967 | 679 | wxLogError( _T("Cannot allocate RAM for color map in BMP file.") ); |
dbda9e86 JS |
680 | return FALSE; |
681 | } | |
682 | } | |
683 | else | |
684 | cmap = NULL; | |
c7abc967 | 685 | |
dbda9e86 | 686 | image->Create( width, height ); |
27933891 | 687 | unsigned char *ptr = image->GetData(); |
dbda9e86 JS |
688 | if (!ptr) |
689 | { | |
c7abc967 | 690 | wxLogError( _T("Cannot allocate RAM for RGB data in file.") ); |
4698648f | 691 | if (cmap) |
dbda9e86 | 692 | free(cmap); |
4698648f | 693 | return FALSE; |
dbda9e86 | 694 | } |
c7abc967 | 695 | |
dbda9e86 | 696 | /* |
27933891 RR |
697 | * Reading the palette, if it exists. |
698 | */ | |
dbda9e86 JS |
699 | if (bpp < 16 && ncolors != 0) |
700 | { | |
27933891 | 701 | for (int j = 0; j < ncolors; j++) |
dbda9e86 | 702 | { |
27933891 RR |
703 | stream.Read( bbuf, 4 ); |
704 | cmap[j].b = bbuf[0]; | |
705 | cmap[j].g = bbuf[1]; | |
706 | cmap[j].r = bbuf[2]; | |
dbda9e86 JS |
707 | } |
708 | } | |
709 | else if (bpp == 16 || bpp == 32) | |
710 | { | |
4698648f | 711 | if (comp == BI_BITFIELDS) |
dbda9e86 | 712 | { |
27933891 RR |
713 | int bit = 0; |
714 | stream.Read( dbuf, 4 * 3 ); | |
715 | bmask = wxINT32_SWAP_FROM_LE( dbuf[0] ); | |
716 | gmask = wxINT32_SWAP_FROM_LE( dbuf[1] ); | |
717 | rmask = wxINT32_SWAP_FROM_LE( dbuf[2] ); | |
dbda9e86 JS |
718 | /* find shift amount.. ugly, but i can't think of a better way */ |
719 | for (bit = 0; bit < bpp; bit++) | |
720 | { | |
721 | if (bmask & (1 << bit)) | |
722 | bshift = bit; | |
723 | if (gmask & (1 << bit)) | |
724 | gshift = bit; | |
725 | if (rmask & (1 << bit)) | |
726 | rshift = bit; | |
727 | } | |
728 | } | |
4698648f | 729 | else if (bpp == 16) |
dbda9e86 JS |
730 | { |
731 | rmask = 0x7C00; | |
732 | gmask = 0x03E0; | |
733 | bmask = 0x001F; | |
734 | rshift = 10; | |
735 | gshift = 5; | |
736 | bshift = 0; | |
737 | } | |
4698648f | 738 | else if (bpp == 32) |
dbda9e86 JS |
739 | { |
740 | rmask = 0x00FF0000; | |
741 | gmask = 0x0000FF00; | |
742 | bmask = 0x000000FF; | |
743 | rshift = 16; | |
744 | gshift = 8; | |
745 | bshift = 0; | |
746 | } | |
747 | } | |
c7abc967 | 748 | |
dbda9e86 | 749 | /* |
27933891 RR |
750 | * Reading the image data |
751 | */ | |
752 | stream.SeekI( start_offset + offset ); | |
753 | unsigned char *data = ptr; | |
c7abc967 | 754 | |
dbda9e86 JS |
755 | /* set the whole image to the background color */ |
756 | if (bpp < 16 && (comp == BI_RLE4 || comp == BI_RLE8)) | |
757 | { | |
27933891 | 758 | for (int i = 0; i < width * height; i++) |
dbda9e86 JS |
759 | { |
760 | *ptr++ = cmap[0].r; | |
761 | *ptr++ = cmap[0].g; | |
762 | *ptr++ = cmap[0].b; | |
763 | } | |
4698648f | 764 | ptr = data; |
dbda9e86 | 765 | } |
27933891 RR |
766 | |
767 | int line = 0; | |
768 | int column = 0; | |
769 | int linesize = ((width * bpp + 31) / 32) * 4; | |
c7abc967 | 770 | |
27933891 RR |
771 | /* BMPs are stored upside down */ |
772 | for (line = (height - 1); line >= 0; line--) | |
dbda9e86 | 773 | { |
27933891 | 774 | int linepos = 0; |
4698648f | 775 | for (column = 0; column < width;) |
dbda9e86 JS |
776 | { |
777 | if (bpp < 16) | |
778 | { | |
27933891 | 779 | int index = 0; |
dbda9e86 JS |
780 | linepos++; |
781 | aByte = stream.GetC(); | |
782 | if (bpp == 1) | |
783 | { | |
27933891 | 784 | int bit = 0; |
dbda9e86 | 785 | for (bit = 0; bit < 8; bit++) |
4698648f | 786 | { |
dbda9e86 JS |
787 | index = ((aByte & (0x80 >> bit)) ? 1 : 0); |
788 | ptr[poffset] = cmap[index].r; | |
789 | ptr[poffset + 1] = cmap[index].g; | |
790 | ptr[poffset + 2] = cmap[index].b; | |
791 | column++; | |
792 | } | |
793 | } | |
794 | else if (bpp == 4) | |
795 | { | |
796 | if (comp == BI_RLE4) | |
797 | { | |
27933891 | 798 | wxLogError( _T("Can't deal with 4bit encoded yet.") ); |
dbda9e86 JS |
799 | image->Destroy(); |
800 | free(cmap); | |
801 | return FALSE; | |
802 | } | |
803 | else | |
804 | { | |
27933891 | 805 | int nibble = 0; |
dbda9e86 JS |
806 | for (nibble = 0; nibble < 2; nibble++) |
807 | { | |
808 | index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4)); | |
809 | if (index >= 16) | |
810 | index = 15; | |
4698648f VZ |
811 | ptr[poffset] = cmap[index].r; |
812 | ptr[poffset + 1] = cmap[index].g; | |
813 | ptr[poffset + 2] = cmap[index].b; | |
814 | column++; | |
dbda9e86 | 815 | } |
4698648f | 816 | } |
dbda9e86 JS |
817 | } |
818 | else if (bpp == 8) | |
819 | { | |
820 | if (comp == BI_RLE8) | |
4698648f | 821 | { |
27933891 | 822 | unsigned char first; |
dbda9e86 JS |
823 | first = aByte; |
824 | aByte = stream.GetC(); | |
825 | if (first == 0) | |
826 | { | |
827 | if (aByte == 0) | |
828 | { | |
27933891 | 829 | /* column = width; */ |
dbda9e86 JS |
830 | } |
831 | else if (aByte == 1) | |
832 | { | |
833 | column = width; | |
834 | line = -1; | |
835 | } | |
836 | else if (aByte == 2) | |
837 | { | |
838 | aByte = stream.GetC(); | |
839 | column += aByte; | |
840 | linepos = column * bpp / 8; | |
841 | aByte = stream.GetC(); | |
842 | line += aByte; | |
843 | } | |
844 | else | |
845 | { | |
27933891 RR |
846 | int absolute = aByte; |
847 | for (int k = 0; k < absolute; k++) | |
dbda9e86 JS |
848 | { |
849 | linepos++; | |
850 | aByte = stream.GetC(); | |
27933891 | 851 | ptr[poffset ] = cmap[aByte].r; |
dbda9e86 JS |
852 | ptr[poffset + 1] = cmap[aByte].g; |
853 | ptr[poffset + 2] = cmap[aByte].b; | |
854 | column++; | |
855 | } | |
856 | if (absolute & 0x01) | |
857 | aByte = stream.GetC(); | |
858 | } | |
859 | } | |
860 | else | |
861 | { | |
27933891 | 862 | for (int l = 0; l < first; l++) |
dbda9e86 | 863 | { |
27933891 | 864 | ptr[poffset ] = cmap[aByte].r; |
dbda9e86 JS |
865 | ptr[poffset + 1] = cmap[aByte].g; |
866 | ptr[poffset + 2] = cmap[aByte].b; | |
867 | column++; | |
868 | linepos++; | |
869 | } | |
870 | } | |
4698648f | 871 | } |
dbda9e86 | 872 | else |
4698648f | 873 | { |
27933891 | 874 | ptr[poffset ] = cmap[aByte].r; |
dbda9e86 JS |
875 | ptr[poffset + 1] = cmap[aByte].g; |
876 | ptr[poffset + 2] = cmap[aByte].b; | |
877 | column++; | |
878 | linepos += size; | |
4698648f | 879 | } |
dbda9e86 | 880 | } |
4698648f | 881 | } |
dbda9e86 | 882 | else if (bpp == 24) |
4698648f | 883 | { |
27933891 | 884 | stream.Read( &bbuf, 3 ); |
dbda9e86 | 885 | linepos += 3; |
27933891 | 886 | ptr[poffset ] = (unsigned char)bbuf[2]; |
dbda9e86 JS |
887 | ptr[poffset + 1] = (unsigned char)bbuf[1]; |
888 | ptr[poffset + 2] = (unsigned char)bbuf[0]; | |
889 | column++; | |
4698648f | 890 | } |
dbda9e86 | 891 | else if (bpp == 16) |
4698648f | 892 | { |
27933891 RR |
893 | unsigned char temp; |
894 | stream.Read( &aWord, 2 ); | |
895 | aWord = wxUINT16_SWAP_FROM_LE( aWord ); | |
dbda9e86 | 896 | linepos += 2; |
27933891 | 897 | temp = (aWord & rmask) >> rshift; |
dbda9e86 | 898 | ptr[poffset] = temp; |
27933891 | 899 | temp = (aWord & gmask) >> gshift; |
dbda9e86 | 900 | ptr[poffset + 1] = temp; |
27933891 | 901 | temp = (aWord & bmask) >> gshift; |
dbda9e86 JS |
902 | ptr[poffset + 2] = temp; |
903 | column++; | |
4698648f | 904 | } |
dbda9e86 | 905 | else |
4698648f | 906 | { |
27933891 RR |
907 | unsigned char temp; |
908 | stream.Read( &aDword, 4 ); | |
909 | aDword = wxINT32_SWAP_FROM_LE( aDword ); | |
dbda9e86 | 910 | linepos += 4; |
27933891 | 911 | temp = (aDword & rmask) >> rshift; |
dbda9e86 | 912 | ptr[poffset] = temp; |
27933891 | 913 | temp = (aDword & gmask) >> gshift; |
dbda9e86 | 914 | ptr[poffset + 1] = temp; |
27933891 | 915 | temp = (aDword & bmask) >> bshift; |
dbda9e86 JS |
916 | ptr[poffset + 2] = temp; |
917 | column++; | |
4698648f VZ |
918 | } |
919 | } | |
dbda9e86 | 920 | while ((linepos < linesize) && (comp != 1) && (comp != 2)) |
4698648f | 921 | { |
27933891 | 922 | stream.Read( &aByte, 1 ); |
dbda9e86 JS |
923 | linepos += 1; |
924 | if (stream.LastError() != wxStream_NOERROR) | |
925 | break; | |
4698648f | 926 | } |
01111366 | 927 | } |
27933891 RR |
928 | if (cmap) |
929 | free(cmap); | |
c7abc967 | 930 | |
dbda9e86 | 931 | image->SetMask( FALSE ); |
c7abc967 | 932 | |
dbda9e86 | 933 | return TRUE; |
01111366 | 934 | } |
e02afc7a | 935 | #endif // wxUSE_STREAMS |
01111366 | 936 | |
e3554471 JS |
937 | #ifdef __WXMSW__ |
938 | ||
939 | wxBitmap wxImage::ConvertToBitmap() const | |
940 | { | |
dbda9e86 | 941 | // sizeLimit is the MS upper limit for the DIB size |
c7abc967 VZ |
942 | int sizeLimit = 1024*768*3; |
943 | ||
dbda9e86 | 944 | // width and height of the device-dependent bitmap |
bba6f3bd UA |
945 | int width = GetWidth(); |
946 | int bmpHeight = GetHeight(); | |
c7abc967 | 947 | |
dbda9e86 | 948 | // calc the number of bytes per scanline and padding |
bba6f3bd UA |
949 | int bytePerLine = width*3; |
950 | int sizeDWORD = sizeof( DWORD ); | |
951 | div_t lineBoundary = div( bytePerLine, sizeDWORD ); | |
952 | int padding = 0; | |
c7abc967 | 953 | if( lineBoundary.rem > 0 ) |
bba6f3bd UA |
954 | { |
955 | padding = sizeDWORD - lineBoundary.rem; | |
956 | bytePerLine += padding; | |
957 | } | |
dbda9e86 | 958 | // calc the number of DIBs and heights of DIBs |
bba6f3bd UA |
959 | int numDIB = 1; |
960 | int hRemain = 0; | |
961 | int height = sizeLimit/bytePerLine; | |
962 | if( height >= bmpHeight ) | |
c7abc967 | 963 | height = bmpHeight; |
bba6f3bd UA |
964 | else |
965 | { | |
966 | div_t result = div( bmpHeight, height ); | |
967 | numDIB = result.quot; | |
dbda9e86 JS |
968 | hRemain = result.rem; |
969 | if( hRemain >0 ) numDIB++; | |
bba6f3bd | 970 | } |
c7abc967 | 971 | |
dbda9e86 | 972 | // set bitmap parameters |
bba6f3bd | 973 | wxBitmap bitmap; |
50920146 | 974 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
bba6f3bd UA |
975 | bitmap.SetWidth( width ); |
976 | bitmap.SetHeight( bmpHeight ); | |
977 | bitmap.SetDepth( wxDisplayDepth() ); | |
c7abc967 | 978 | |
dbda9e86 | 979 | // create a DIB header |
bba6f3bd UA |
980 | int headersize = sizeof(BITMAPINFOHEADER); |
981 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
50920146 | 982 | wxCHECK_MSG( lpDIBh, bitmap, _T("could not allocate memory for DIB header") ); |
dbda9e86 | 983 | // Fill in the DIB header |
bba6f3bd UA |
984 | lpDIBh->bmiHeader.biSize = headersize; |
985 | lpDIBh->bmiHeader.biWidth = (DWORD)width; | |
986 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); | |
987 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 JS |
988 | // the general formula for biSizeImage: |
989 | // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height; | |
bba6f3bd UA |
990 | lpDIBh->bmiHeader.biPlanes = 1; |
991 | lpDIBh->bmiHeader.biBitCount = 24; | |
992 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
993 | lpDIBh->bmiHeader.biClrUsed = 0; | |
dbda9e86 | 994 | // These seem not really needed for our purpose here. |
bba6f3bd UA |
995 | lpDIBh->bmiHeader.biClrImportant = 0; |
996 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
997 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
dbda9e86 | 998 | // memory for DIB data |
bba6f3bd UA |
999 | unsigned char *lpBits; |
1000 | lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); | |
1001 | if( !lpBits ) | |
1002 | { | |
50920146 | 1003 | wxFAIL_MSG( _T("could not allocate memory for DIB") ); |
bba6f3bd UA |
1004 | free( lpDIBh ); |
1005 | return bitmap; | |
1006 | } | |
c7abc967 | 1007 | |
dbda9e86 | 1008 | // create and set the device-dependent bitmap |
bba6f3bd UA |
1009 | HDC hdc = ::GetDC(NULL); |
1010 | HDC memdc = ::CreateCompatibleDC( hdc ); | |
1011 | HBITMAP hbitmap; | |
1012 | hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight ); | |
c7abc967 VZ |
1013 | ::SelectObject( memdc, hbitmap); |
1014 | ||
dbda9e86 | 1015 | // copy image data into DIB data and then into DDB (in a loop) |
bba6f3bd UA |
1016 | unsigned char *data = GetData(); |
1017 | int i, j, n; | |
1018 | int origin = 0; | |
1019 | unsigned char *ptdata = data; | |
1020 | unsigned char *ptbits; | |
c7abc967 | 1021 | |
bba6f3bd UA |
1022 | for( n=0; n<numDIB; n++ ) |
1023 | { | |
dbda9e86 JS |
1024 | if( numDIB > 1 && n == numDIB-1 && hRemain > 0 ) |
1025 | { | |
1026 | // redefine height and size of the (possibly) last smaller DIB | |
1027 | // memory is not reallocated | |
c7abc967 | 1028 | height = hRemain; |
bba6f3bd UA |
1029 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
1030 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 | 1031 | } |
bba6f3bd | 1032 | ptbits = lpBits; |
c7abc967 | 1033 | |
bba6f3bd UA |
1034 | for( j=0; j<height; j++ ) |
1035 | { | |
1036 | for( i=0; i<width; i++ ) | |
1037 | { | |
1038 | *(ptbits++) = *(ptdata+2); | |
1039 | *(ptbits++) = *(ptdata+1); | |
1040 | *(ptbits++) = *(ptdata ); | |
1041 | ptdata += 3; | |
dbda9e86 JS |
1042 | } |
1043 | for( i=0; i< padding; i++ ) *(ptbits++) = 0; | |
bba6f3bd UA |
1044 | } |
1045 | ::StretchDIBits( memdc, 0, origin, width, height,\ | |
dbda9e86 JS |
1046 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
1047 | origin += height; | |
1048 | // if numDIB = 1, lines below can also be used | |
1049 | // hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
1050 | // The above line is equivalent to the following two lines. | |
1051 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
1052 | // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); | |
1053 | // or the following lines | |
1054 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
1055 | // HDC memdc = ::CreateCompatibleDC( hdc ); | |
c7abc967 | 1056 | // ::SelectObject( memdc, hbitmap); |
dbda9e86 JS |
1057 | // ::SetDIBitsToDevice( memdc, 0, 0, width, height, |
1058 | // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); | |
c7abc967 VZ |
1059 | // ::SelectObject( memdc, 0 ); |
1060 | // ::DeleteDC( memdc ); | |
e3554471 | 1061 | } |
bba6f3bd | 1062 | bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); |
c7abc967 | 1063 | |
dbda9e86 | 1064 | // similarly, created an mono-bitmap for the possible mask |
bba6f3bd UA |
1065 | if( HasMask() ) |
1066 | { | |
1067 | hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); | |
c7abc967 VZ |
1068 | ::SelectObject( memdc, hbitmap); |
1069 | if( numDIB == 1 ) height = bmpHeight; | |
bba6f3bd UA |
1070 | else height = sizeLimit/bytePerLine; |
1071 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); | |
1072 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
1073 | origin = 0; | |
1074 | unsigned char r = GetMaskRed(); | |
1075 | unsigned char g = GetMaskGreen(); | |
1076 | unsigned char b = GetMaskBlue(); | |
1077 | unsigned char zero = 0, one = 255; | |
1078 | ptdata = data; | |
1079 | for( n=0; n<numDIB; n++ ) | |
1080 | { | |
1081 | if( numDIB > 1 && n == numDIB - 1 && hRemain > 0 ) | |
1082 | { | |
dbda9e86 JS |
1083 | // redefine height and size of the (possibly) last smaller DIB |
1084 | // memory is not reallocated | |
c7abc967 | 1085 | height = hRemain; |
bba6f3bd UA |
1086 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
1087 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; | |
dbda9e86 | 1088 | } |
bba6f3bd UA |
1089 | ptbits = lpBits; |
1090 | for( int j=0; j<height; j++ ) | |
1091 | { | |
dbda9e86 | 1092 | for(i=0; i<width; i++ ) |
bba6f3bd UA |
1093 | { |
1094 | if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) ) | |
1095 | { | |
1096 | *(ptbits++) = one; | |
1097 | *(ptbits++) = one; | |
1098 | *(ptbits++) = one; | |
1099 | } | |
1100 | else | |
1101 | { | |
1102 | *(ptbits++) = zero; | |
1103 | *(ptbits++) = zero; | |
1104 | *(ptbits++) = zero; | |
1105 | } | |
1106 | } | |
dbda9e86 | 1107 | for( i=0; i< padding; i++ ) *(ptbits++) = zero; |
bba6f3bd UA |
1108 | } |
1109 | ::StretchDIBits( memdc, 0, origin, width, height,\ | |
dbda9e86 JS |
1110 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
1111 | origin += height; | |
1112 | } | |
1113 | // create a wxMask object | |
bba6f3bd UA |
1114 | wxMask *mask = new wxMask(); |
1115 | mask->SetMaskBitmap( (WXHBITMAP) hbitmap ); | |
1116 | bitmap.SetMask( mask ); | |
dbda9e86 JS |
1117 | // It will be deleted when the wxBitmap object is deleted (as of 01/1999) |
1118 | /* The following can also be used but is slow to run | |
bba6f3bd UA |
1119 | wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue()); |
1120 | wxMask *mask = new wxMask( bitmap, colour ); | |
1121 | bitmap.SetMask( mask ); | |
dbda9e86 | 1122 | */ |
bba6f3bd | 1123 | } |
c7abc967 VZ |
1124 | |
1125 | // free allocated resources | |
1126 | ::SelectObject( memdc, 0 ); | |
1127 | ::DeleteDC( memdc ); | |
1128 | ::ReleaseDC(NULL, hdc); | |
bba6f3bd UA |
1129 | free(lpDIBh); |
1130 | free(lpBits); | |
c7abc967 | 1131 | |
dbda9e86 | 1132 | // check the wxBitmap object |
bba6f3bd UA |
1133 | if( bitmap.GetHBITMAP() ) |
1134 | bitmap.SetOk( TRUE ); | |
1135 | else | |
1136 | bitmap.SetOk( FALSE ); | |
c7abc967 | 1137 | |
bba6f3bd | 1138 | return bitmap; |
e3554471 JS |
1139 | } |
1140 | ||
e3554471 JS |
1141 | wxImage::wxImage( const wxBitmap &bitmap ) |
1142 | { | |
dbda9e86 | 1143 | // check the bitmap |
bba6f3bd UA |
1144 | if( !bitmap.Ok() ) |
1145 | { | |
50920146 | 1146 | wxFAIL_MSG( _T("invalid bitmap") ); |
bba6f3bd UA |
1147 | return; |
1148 | } | |
c7abc967 | 1149 | |
dbda9e86 | 1150 | // create an wxImage object |
bba6f3bd UA |
1151 | int width = bitmap.GetWidth(); |
1152 | int height = bitmap.GetHeight(); | |
c7abc967 | 1153 | Create( width, height ); |
bba6f3bd UA |
1154 | unsigned char *data = GetData(); |
1155 | if( !data ) | |
1156 | { | |
50920146 | 1157 | wxFAIL_MSG( _T("could not allocate data for image") ); |
bba6f3bd UA |
1158 | return; |
1159 | } | |
c7abc967 | 1160 | |
dbda9e86 | 1161 | // calc the number of bytes per scanline and padding in the DIB |
bba6f3bd UA |
1162 | int bytePerLine = width*3; |
1163 | int sizeDWORD = sizeof( DWORD ); | |
1164 | div_t lineBoundary = div( bytePerLine, sizeDWORD ); | |
1165 | int padding = 0; | |
c7abc967 | 1166 | if( lineBoundary.rem > 0 ) |
bba6f3bd UA |
1167 | { |
1168 | padding = sizeDWORD - lineBoundary.rem; | |
1169 | bytePerLine += padding; | |
1170 | } | |
c7abc967 | 1171 | |
dbda9e86 | 1172 | // create a DIB header |
bba6f3bd UA |
1173 | int headersize = sizeof(BITMAPINFOHEADER); |
1174 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
1175 | if( !lpDIBh ) | |
1176 | { | |
50920146 | 1177 | wxFAIL_MSG( _T("could not allocate data for DIB header") ); |
bba6f3bd UA |
1178 | free( data ); |
1179 | return; | |
1180 | } | |
dbda9e86 | 1181 | // Fill in the DIB header |
bba6f3bd UA |
1182 | lpDIBh->bmiHeader.biSize = headersize; |
1183 | lpDIBh->bmiHeader.biWidth = width; | |
1184 | lpDIBh->bmiHeader.biHeight = -height; | |
1185 | lpDIBh->bmiHeader.biSizeImage = bytePerLine * height; | |
1186 | lpDIBh->bmiHeader.biPlanes = 1; | |
1187 | lpDIBh->bmiHeader.biBitCount = 24; | |
1188 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
1189 | lpDIBh->bmiHeader.biClrUsed = 0; | |
dbda9e86 | 1190 | // These seem not really needed for our purpose here. |
bba6f3bd UA |
1191 | lpDIBh->bmiHeader.biClrImportant = 0; |
1192 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
1193 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
dbda9e86 | 1194 | // memory for DIB data |
bba6f3bd UA |
1195 | unsigned char *lpBits; |
1196 | lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); | |
1197 | if( !lpBits ) | |
e3554471 | 1198 | { |
50920146 | 1199 | wxFAIL_MSG( _T("could not allocate data for DIB") ); |
bba6f3bd UA |
1200 | free( data ); |
1201 | free( lpDIBh ); | |
1202 | return; | |
4698648f | 1203 | } |
c7abc967 | 1204 | |
dbda9e86 | 1205 | // copy data from the device-dependent bitmap to the DIB |
bba6f3bd UA |
1206 | HDC hdc = ::GetDC(NULL); |
1207 | HBITMAP hbitmap; | |
1208 | hbitmap = (HBITMAP) bitmap.GetHBITMAP(); | |
1209 | ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
c7abc967 | 1210 | |
dbda9e86 | 1211 | // copy DIB data into the wxImage object |
bba6f3bd UA |
1212 | int i, j; |
1213 | unsigned char *ptdata = data; | |
1214 | unsigned char *ptbits = lpBits; | |
1215 | for( i=0; i<height; i++ ) | |
1216 | { | |
1217 | for( j=0; j<width; j++ ) | |
1218 | { | |
1219 | *(ptdata++) = *(ptbits+2); | |
1220 | *(ptdata++) = *(ptbits+1); | |
1221 | *(ptdata++) = *(ptbits ); | |
1222 | ptbits += 3; | |
dbda9e86 | 1223 | } |
bba6f3bd | 1224 | ptbits += padding; |
c7abc967 VZ |
1225 | } |
1226 | ||
dbda9e86 | 1227 | // similarly, set data according to the possible mask bitmap |
bba6f3bd UA |
1228 | if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() ) |
1229 | { | |
1230 | hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); | |
dbda9e86 | 1231 | // memory DC created, color set, data copied, and memory DC deleted |
bba6f3bd UA |
1232 | HDC memdc = ::CreateCompatibleDC( hdc ); |
1233 | ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); | |
1234 | ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); | |
1235 | ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
c7abc967 | 1236 | ::DeleteDC( memdc ); |
dbda9e86 | 1237 | // background color set to RGB(16,16,16) in consistent with wxGTK |
c7abc967 | 1238 | unsigned char r=16, g=16, b=16; |
bba6f3bd UA |
1239 | ptdata = data; |
1240 | ptbits = lpBits; | |
1241 | for( i=0; i<height; i++ ) | |
1242 | { | |
1243 | for( j=0; j<width; j++ ) | |
1244 | { | |
1245 | if( *ptbits != 0 ) | |
dbda9e86 JS |
1246 | ptdata += 3; |
1247 | else | |
bba6f3bd UA |
1248 | { |
1249 | *(ptdata++) = r; | |
1250 | *(ptdata++) = g; | |
1251 | *(ptdata++) = b; | |
dbda9e86 | 1252 | } |
bba6f3bd UA |
1253 | ptbits += 3; |
1254 | } | |
1255 | ptbits += padding; | |
c7abc967 | 1256 | } |
bba6f3bd UA |
1257 | SetMaskColour( r, g, b ); |
1258 | SetMask( TRUE ); | |
c7abc967 | 1259 | } |
bba6f3bd UA |
1260 | else |
1261 | { | |
1262 | SetMask( FALSE ); | |
c7abc967 VZ |
1263 | } |
1264 | // free allocated resources | |
1265 | ::ReleaseDC(NULL, hdc); | |
bba6f3bd UA |
1266 | free(lpDIBh); |
1267 | free(lpBits); | |
e3554471 JS |
1268 | } |
1269 | ||
1270 | #endif | |
1271 | ||
99c67c77 RR |
1272 | #ifdef __WXGTK__ |
1273 | ||
83624f79 RR |
1274 | #include "gtk/gtk.h" |
1275 | #include "gdk/gdk.h" | |
1276 | #include "gdk/gdkx.h" | |
1277 | ||
ba0730de RR |
1278 | #if (GTK_MINOR_VERSION > 0) |
1279 | #include "gdk/gdkrgb.h" | |
1280 | #endif | |
1281 | ||
99c67c77 RR |
1282 | wxBitmap wxImage::ConvertToBitmap() const |
1283 | { | |
1284 | wxBitmap bitmap; | |
c7abc967 | 1285 | |
50920146 | 1286 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
c7abc967 | 1287 | |
99c67c77 RR |
1288 | int width = GetWidth(); |
1289 | int height = GetHeight(); | |
c7abc967 | 1290 | |
99c67c77 RR |
1291 | bitmap.SetHeight( height ); |
1292 | bitmap.SetWidth( width ); | |
c7abc967 | 1293 | |
ba0730de RR |
1294 | bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); |
1295 | ||
1296 | // Retrieve depth | |
c7abc967 | 1297 | |
ba0730de RR |
1298 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
1299 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
1300 | int bpp = visual->depth; | |
c7abc967 | 1301 | |
ba0730de | 1302 | bitmap.SetDepth( bpp ); |
c7abc967 | 1303 | |
ba0730de RR |
1304 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; |
1305 | if (bpp < 8) bpp = 8; | |
c7abc967 | 1306 | |
ba0730de RR |
1307 | #if (GTK_MINOR_VERSION > 0) |
1308 | ||
1309 | if (!HasMask() && (bpp > 8)) | |
1310 | { | |
1311 | static bool s_hasInitialized = FALSE; | |
c7abc967 | 1312 | |
ba0730de RR |
1313 | if (!s_hasInitialized) |
1314 | { | |
1315 | gdk_rgb_init(); | |
1316 | s_hasInitialized = TRUE; | |
1317 | } | |
c7abc967 | 1318 | |
ba0730de | 1319 | GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() ); |
c7abc967 | 1320 | |
ba0730de RR |
1321 | gdk_draw_rgb_image( bitmap.GetPixmap(), |
1322 | gc, | |
1323 | 0, 0, | |
1324 | width, height, | |
1325 | GDK_RGB_DITHER_NONE, | |
1326 | GetData(), | |
1327 | width*3 ); | |
c7abc967 | 1328 | |
ba0730de | 1329 | gdk_gc_unref( gc ); |
c7abc967 | 1330 | |
ba0730de RR |
1331 | return bitmap; |
1332 | } | |
c7abc967 | 1333 | |
ba0730de | 1334 | #endif |
c7abc967 | 1335 | |
ba0730de | 1336 | // Create picture image |
c7abc967 | 1337 | |
99c67c77 | 1338 | GdkImage *data_image = |
dbda9e86 | 1339 | gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); |
c7abc967 | 1340 | |
ba0730de | 1341 | // Create mask image |
c7abc967 | 1342 | |
99c67c77 | 1343 | GdkImage *mask_image = (GdkImage*) NULL; |
c7abc967 | 1344 | |
99c67c77 RR |
1345 | if (HasMask()) |
1346 | { | |
1347 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
c7abc967 | 1348 | |
99c67c77 | 1349 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
c7abc967 | 1350 | |
4698648f VZ |
1351 | wxMask *mask = new wxMask(); |
1352 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
c7abc967 | 1353 | |
4698648f | 1354 | bitmap.SetMask( mask ); |
99c67c77 | 1355 | } |
c7abc967 | 1356 | |
99c67c77 | 1357 | // Render |
c7abc967 | 1358 | |
99c67c77 RR |
1359 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
1360 | byte_order b_o = RGB; | |
c7abc967 | 1361 | |
99c67c77 RR |
1362 | if (bpp >= 24) |
1363 | { | |
1364 | GdkVisual *visual = gdk_visual_get_system(); | |
1365 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; | |
1366 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB; | |
1367 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; | |
1368 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; | |
1369 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; | |
1370 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; | |
1371 | } | |
c7abc967 | 1372 | |
99c67c77 RR |
1373 | int r_mask = GetMaskRed(); |
1374 | int g_mask = GetMaskGreen(); | |
1375 | int b_mask = GetMaskBlue(); | |
c7abc967 | 1376 | |
99c67c77 | 1377 | unsigned char* data = GetData(); |
c7abc967 | 1378 | |
99c67c77 RR |
1379 | int index = 0; |
1380 | for (int y = 0; y < height; y++) | |
1381 | { | |
1382 | for (int x = 0; x < width; x++) | |
1383 | { | |
1384 | int r = data[index]; | |
4698648f | 1385 | index++; |
99c67c77 | 1386 | int g = data[index]; |
4698648f | 1387 | index++; |
99c67c77 | 1388 | int b = data[index]; |
4698648f | 1389 | index++; |
c7abc967 | 1390 | |
4698648f VZ |
1391 | if (HasMask()) |
1392 | { | |
1393 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1394 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1395 | else | |
1396 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1397 | } | |
c7abc967 | 1398 | |
4698648f VZ |
1399 | if (HasMask()) |
1400 | { | |
1401 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1402 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1403 | else | |
1404 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1405 | } | |
c7abc967 | 1406 | |
4698648f VZ |
1407 | switch (bpp) |
1408 | { | |
dbda9e86 | 1409 | case 8: |
4698648f | 1410 | { |
f6fcbb63 | 1411 | int pixel = -1; |
4698648f VZ |
1412 | if (wxTheApp->m_colorCube) |
1413 | { | |
38274997 | 1414 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
4698648f | 1415 | } |
f6fcbb63 | 1416 | else |
4698648f VZ |
1417 | { |
1418 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
f6fcbb63 RR |
1419 | GdkColor *colors = cmap->colors; |
1420 | int max = 3 * (65536); | |
c7abc967 | 1421 | |
f6fcbb63 RR |
1422 | for (int i = 0; i < cmap->size; i++) |
1423 | { | |
1424 | int rdiff = (r << 8) - colors[i].red; | |
1425 | int gdiff = (g << 8) - colors[i].green; | |
1426 | int bdiff = (b << 8) - colors[i].blue; | |
1427 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); | |
1428 | if (sum < max) { pixel = i; max = sum; } | |
4698648f | 1429 | } |
99c67c77 | 1430 | } |
c7abc967 | 1431 | |
4698648f | 1432 | gdk_image_put_pixel( data_image, x, y, pixel ); |
c7abc967 | 1433 | |
4698648f VZ |
1434 | break; |
1435 | } | |
dbda9e86 | 1436 | case 15: |
4698648f VZ |
1437 | { |
1438 | guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1439 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1440 | break; | |
1441 | } | |
dbda9e86 | 1442 | case 16: |
4698648f VZ |
1443 | { |
1444 | guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1445 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1446 | break; | |
1447 | } | |
dbda9e86 JS |
1448 | case 32: |
1449 | case 24: | |
4698648f VZ |
1450 | { |
1451 | guint32 pixel = 0; | |
1452 | switch (b_o) | |
1453 | { | |
dbda9e86 JS |
1454 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
1455 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1456 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1457 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1458 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1459 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
4698648f VZ |
1460 | } |
1461 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1462 | } | |
dbda9e86 | 1463 | default: break; |
4698648f | 1464 | } |
99c67c77 RR |
1465 | } // for |
1466 | } // for | |
c7abc967 | 1467 | |
99c67c77 | 1468 | // Blit picture |
c7abc967 | 1469 | |
99c67c77 | 1470 | GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() ); |
c7abc967 | 1471 | |
99c67c77 | 1472 | gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1473 | |
99c67c77 RR |
1474 | gdk_image_destroy( data_image ); |
1475 | gdk_gc_unref( data_gc ); | |
c7abc967 | 1476 | |
99c67c77 | 1477 | // Blit mask |
c7abc967 | 1478 | |
99c67c77 RR |
1479 | if (HasMask()) |
1480 | { | |
1481 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
c7abc967 | 1482 | |
99c67c77 | 1483 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1484 | |
99c67c77 RR |
1485 | gdk_image_destroy( mask_image ); |
1486 | gdk_gc_unref( mask_gc ); | |
1487 | } | |
c7abc967 | 1488 | |
99c67c77 RR |
1489 | return bitmap; |
1490 | } | |
1491 | ||
1492 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1493 | { | |
50920146 | 1494 | wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); |
c7abc967 | 1495 | |
99c67c77 | 1496 | GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(), |
dbda9e86 JS |
1497 | 0, 0, |
1498 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1499 | |
50920146 | 1500 | wxCHECK_RET( gdk_image, _T("couldn't create image") ); |
c7abc967 | 1501 | |
99c67c77 RR |
1502 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
1503 | char unsigned *data = GetData(); | |
c7abc967 | 1504 | |
99c67c77 RR |
1505 | if (!data) |
1506 | { | |
1507 | gdk_image_destroy( gdk_image ); | |
50920146 | 1508 | wxFAIL_MSG( _T("couldn't create image") ); |
4698648f | 1509 | return; |
99c67c77 | 1510 | } |
c7abc967 | 1511 | |
99c67c77 RR |
1512 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
1513 | if (bitmap.GetMask()) | |
1514 | { | |
1515 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), | |
dbda9e86 JS |
1516 | 0, 0, |
1517 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1518 | |
4698648f | 1519 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
99c67c77 | 1520 | } |
c7abc967 | 1521 | |
99c67c77 RR |
1522 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
1523 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
1524 | int bpp = visual->depth; | |
1525 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; | |
c7abc967 | 1526 | |
99c67c77 | 1527 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
c7abc967 | 1528 | |
99c67c77 RR |
1529 | long pos = 0; |
1530 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1531 | { | |
1532 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1533 | { | |
1534 | int pixel = gdk_image_get_pixel( gdk_image, i, j ); | |
1535 | if (bpp <= 8) | |
1536 | { | |
1537 | data[pos] = cmap->colors[pixel].red >> 8; | |
1538 | data[pos+1] = cmap->colors[pixel].green >> 8; | |
1539 | data[pos+2] = cmap->colors[pixel].blue >> 8; | |
1540 | } else if (bpp == 15) | |
1541 | { | |
1542 | data[pos] = (pixel >> 7) & 0xf8; | |
1543 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1544 | data[pos+2] = (pixel << 3) & 0xf8; | |
1545 | } else if (bpp == 16) | |
1546 | { | |
1547 | data[pos] = (pixel >> 8) & 0xf8; | |
1548 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1549 | data[pos+2] = (pixel << 3) & 0xf8; | |
1550 | } else | |
1551 | { | |
1552 | data[pos] = (pixel >> 16) & 0xff; | |
1553 | data[pos+1] = (pixel >> 8) & 0xff; | |
1554 | data[pos+2] = pixel & 0xff; | |
1555 | } | |
c7abc967 | 1556 | |
4698648f VZ |
1557 | if (gdk_image_mask) |
1558 | { | |
1559 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1560 | if (mask_pixel == 0) | |
1561 | { | |
99c67c77 RR |
1562 | data[pos] = 16; |
1563 | data[pos+1] = 16; | |
1564 | data[pos+2] = 16; | |
dbda9e86 | 1565 | } |
4698648f | 1566 | } |
c7abc967 | 1567 | |
99c67c77 RR |
1568 | pos += 3; |
1569 | } | |
1570 | } | |
c7abc967 | 1571 | |
99c67c77 RR |
1572 | gdk_image_destroy( gdk_image ); |
1573 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1574 | } | |
1575 | ||
1576 | #endif | |
ee4c6942 | 1577 | |
ee4c6942 | 1578 | #ifdef __WXMOTIF__ |
b75867a6 RR |
1579 | |
1580 | #include <Xm/Xm.h> | |
1581 | #include "wx/utils.h" | |
38274997 | 1582 | #include <math.h> |
b75867a6 | 1583 | |
ee4c6942 JS |
1584 | wxBitmap wxImage::ConvertToBitmap() const |
1585 | { | |
b75867a6 | 1586 | wxBitmap bitmap; |
c7abc967 | 1587 | |
50920146 | 1588 | wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); |
a91b47e8 | 1589 | |
b75867a6 RR |
1590 | int width = GetWidth(); |
1591 | int height = GetHeight(); | |
c7abc967 | 1592 | |
b75867a6 RR |
1593 | bitmap.SetHeight( height ); |
1594 | bitmap.SetWidth( width ); | |
c7abc967 | 1595 | |
b75867a6 RR |
1596 | Display *dpy = (Display*) wxGetDisplay(); |
1597 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1598 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
c7abc967 | 1599 | |
b75867a6 | 1600 | // Create image |
c7abc967 | 1601 | |
b75867a6 | 1602 | XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); |
a91b47e8 | 1603 | data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); |
c7abc967 | 1604 | |
b75867a6 | 1605 | bitmap.Create( width, height, bpp ); |
a91b47e8 | 1606 | |
dbda9e86 | 1607 | /* |
b75867a6 | 1608 | // Create mask |
c7abc967 | 1609 | |
dbda9e86 | 1610 | GdkImage *mask_image = (GdkImage*) NULL; |
c7abc967 | 1611 | |
dbda9e86 JS |
1612 | if (HasMask()) |
1613 | { | |
b75867a6 | 1614 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
c7abc967 | 1615 | |
dbda9e86 | 1616 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
c7abc967 | 1617 | |
dbda9e86 JS |
1618 | wxMask *mask = new wxMask(); |
1619 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
c7abc967 | 1620 | |
dbda9e86 JS |
1621 | bitmap.SetMask( mask ); |
1622 | } | |
1623 | */ | |
c7abc967 | 1624 | |
b75867a6 | 1625 | // Retrieve depth info |
c7abc967 | 1626 | |
b75867a6 RR |
1627 | XVisualInfo vinfo_template; |
1628 | XVisualInfo *vi; | |
c7abc967 | 1629 | |
b75867a6 RR |
1630 | vinfo_template.visual = vis; |
1631 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1632 | vinfo_template.depth = bpp; | |
1633 | int nitem = 0; | |
c7abc967 | 1634 | |
b75867a6 | 1635 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
c7abc967 VZ |
1636 | |
1637 | wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") ); | |
1638 | ||
38274997 | 1639 | XFree( vi ); |
a91b47e8 | 1640 | |
b75867a6 RR |
1641 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
1642 | if (bpp < 8) bpp = 8; | |
c7abc967 | 1643 | |
b75867a6 | 1644 | // Render |
c7abc967 | 1645 | |
b75867a6 RR |
1646 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
1647 | byte_order b_o = RGB; | |
c7abc967 | 1648 | |
b75867a6 RR |
1649 | if (bpp >= 24) |
1650 | { | |
1651 | if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; | |
1652 | else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; | |
1653 | else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; | |
1654 | else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; | |
1655 | else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB; | |
1656 | else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR; | |
1657 | } | |
c7abc967 | 1658 | |
dbda9e86 | 1659 | /* |
b75867a6 RR |
1660 | int r_mask = GetMaskRed(); |
1661 | int g_mask = GetMaskGreen(); | |
1662 | int b_mask = GetMaskBlue(); | |
dbda9e86 | 1663 | */ |
c7abc967 | 1664 | |
38274997 RR |
1665 | XColor colors[256]; |
1666 | if (bpp == 8) | |
1667 | { | |
dbda9e86 | 1668 | Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); |
c7abc967 | 1669 | |
38274997 | 1670 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
dbda9e86 | 1671 | XQueryColors( dpy, cmap, colors, 256 ); |
38274997 | 1672 | } |
c7abc967 | 1673 | |
b75867a6 | 1674 | unsigned char* data = GetData(); |
c7abc967 | 1675 | |
b75867a6 RR |
1676 | int index = 0; |
1677 | for (int y = 0; y < height; y++) | |
1678 | { | |
1679 | for (int x = 0; x < width; x++) | |
1680 | { | |
1681 | int r = data[index]; | |
dbda9e86 | 1682 | index++; |
b75867a6 | 1683 | int g = data[index]; |
dbda9e86 | 1684 | index++; |
b75867a6 | 1685 | int b = data[index]; |
dbda9e86 | 1686 | index++; |
c7abc967 | 1687 | |
dbda9e86 JS |
1688 | /* |
1689 | if (HasMask()) | |
1690 | { | |
1691 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1692 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1693 | else | |
1694 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1695 | } | |
1696 | */ | |
c7abc967 | 1697 | |
dbda9e86 JS |
1698 | switch (bpp) |
1699 | { | |
1700 | case 8: | |
1701 | { | |
b75867a6 | 1702 | int pixel = -1; |
dbda9e86 JS |
1703 | /* |
1704 | if (wxTheApp->m_colorCube) | |
1705 | { | |
1706 | pixel = wxTheApp->m_colorCube | |
c7abc967 VZ |
1707 | [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
1708 | } | |
b75867a6 | 1709 | else |
dbda9e86 JS |
1710 | { |
1711 | */ | |
1712 | int max = 3 * (65536); | |
1713 | for (int i = 0; i < 256; i++) | |
1714 | { | |
1715 | int rdiff = (r << 8) - colors[i].red; | |
1716 | int gdiff = (g << 8) - colors[i].green; | |
1717 | int bdiff = (b << 8) - colors[i].blue; | |
1718 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); | |
1719 | if (sum < max) { pixel = i; max = sum; } | |
1720 | } | |
1721 | /* | |
1722 | } | |
1723 | */ | |
1724 | XPutPixel( data_image, x, y, pixel ); | |
1725 | break; | |
1726 | } | |
1727 | case 15: | |
1728 | { | |
1729 | int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1730 | XPutPixel( data_image, x, y, pixel ); | |
1731 | break; | |
1732 | } | |
1733 | case 16: | |
1734 | { | |
1735 | int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1736 | XPutPixel( data_image, x, y, pixel ); | |
1737 | break; | |
1738 | } | |
1739 | case 32: | |
1740 | case 24: | |
1741 | { | |
1742 | int pixel = 0; | |
1743 | switch (b_o) | |
1744 | { | |
1745 | case RGB: pixel = (r << 16) | (g << 8) | b; break; | |
1746 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1747 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1748 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1749 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1750 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
1751 | } | |
1752 | XPutPixel( data_image, x, y, pixel ); | |
1753 | } | |
1754 | default: break; | |
1755 | } | |
b75867a6 RR |
1756 | } // for |
1757 | } // for | |
c7abc967 | 1758 | |
b75867a6 | 1759 | // Blit picture |
c7abc967 | 1760 | |
b75867a6 RR |
1761 | XGCValues gcvalues; |
1762 | gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); | |
1763 | GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); | |
1764 | XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); | |
c7abc967 | 1765 | |
b75867a6 RR |
1766 | XDestroyImage( data_image ); |
1767 | XFreeGC( dpy, gc ); | |
c7abc967 | 1768 | |
dbda9e86 | 1769 | /* |
b75867a6 | 1770 | // Blit mask |
c7abc967 | 1771 | |
dbda9e86 JS |
1772 | if (HasMask()) |
1773 | { | |
1774 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
c7abc967 | 1775 | |
b75867a6 | 1776 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
c7abc967 | 1777 | |
dbda9e86 JS |
1778 | gdk_image_destroy( mask_image ); |
1779 | gdk_gc_unref( mask_gc ); | |
1780 | } | |
1781 | */ | |
c7abc967 | 1782 | |
b75867a6 | 1783 | return bitmap; |
ee4c6942 JS |
1784 | } |
1785 | ||
1786 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1787 | { | |
50920146 | 1788 | wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); |
c7abc967 | 1789 | |
38274997 RR |
1790 | Display *dpy = (Display*) wxGetDisplay(); |
1791 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1792 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
c7abc967 | 1793 | |
38274997 | 1794 | XImage *ximage = XGetImage( dpy, |
dbda9e86 JS |
1795 | (Drawable)bitmap.GetPixmap(), |
1796 | 0, 0, | |
1797 | bitmap.GetWidth(), bitmap.GetHeight(), | |
1798 | AllPlanes, ZPixmap ); | |
c7abc967 | 1799 | |
50920146 | 1800 | wxCHECK_RET( ximage, _T("couldn't create image") ); |
c7abc967 | 1801 | |
38274997 RR |
1802 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
1803 | char unsigned *data = GetData(); | |
c7abc967 | 1804 | |
38274997 RR |
1805 | if (!data) |
1806 | { | |
1807 | XDestroyImage( ximage ); | |
50920146 | 1808 | wxFAIL_MSG( _T("couldn't create image") ); |
38274997 RR |
1809 | return; |
1810 | } | |
c7abc967 | 1811 | |
dbda9e86 | 1812 | /* |
38274997 RR |
1813 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
1814 | if (bitmap.GetMask()) | |
1815 | { | |
dbda9e86 JS |
1816 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), |
1817 | 0, 0, | |
1818 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
c7abc967 | 1819 | |
dbda9e86 JS |
1820 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
1821 | } | |
1822 | */ | |
c7abc967 | 1823 | |
38274997 | 1824 | // Retrieve depth info |
c7abc967 | 1825 | |
38274997 RR |
1826 | XVisualInfo vinfo_template; |
1827 | XVisualInfo *vi; | |
c7abc967 | 1828 | |
38274997 RR |
1829 | vinfo_template.visual = vis; |
1830 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1831 | vinfo_template.depth = bpp; | |
1832 | int nitem = 0; | |
c7abc967 | 1833 | |
38274997 | 1834 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
c7abc967 VZ |
1835 | |
1836 | wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") ); | |
1837 | ||
38274997 | 1838 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
c7abc967 | 1839 | |
38274997 | 1840 | XFree( vi ); |
c7abc967 | 1841 | |
38274997 RR |
1842 | XColor colors[256]; |
1843 | if (bpp == 8) | |
1844 | { | |
dbda9e86 | 1845 | Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); |
c7abc967 | 1846 | |
38274997 | 1847 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
dbda9e86 | 1848 | XQueryColors( dpy, cmap, colors, 256 ); |
38274997 | 1849 | } |
c7abc967 | 1850 | |
38274997 RR |
1851 | long pos = 0; |
1852 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1853 | { | |
1854 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1855 | { | |
dbda9e86 | 1856 | int pixel = XGetPixel( ximage, i, j ); |
38274997 RR |
1857 | if (bpp <= 8) |
1858 | { | |
1859 | data[pos] = colors[pixel].red >> 8; | |
1860 | data[pos+1] = colors[pixel].green >> 8; | |
1861 | data[pos+2] = colors[pixel].blue >> 8; | |
1862 | } else if (bpp == 15) | |
1863 | { | |
1864 | data[pos] = (pixel >> 7) & 0xf8; | |
1865 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1866 | data[pos+2] = (pixel << 3) & 0xf8; | |
1867 | } else if (bpp == 16) | |
1868 | { | |
1869 | data[pos] = (pixel >> 8) & 0xf8; | |
1870 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1871 | data[pos+2] = (pixel << 3) & 0xf8; | |
1872 | } else | |
1873 | { | |
1874 | data[pos] = (pixel >> 16) & 0xff; | |
1875 | data[pos+1] = (pixel >> 8) & 0xff; | |
1876 | data[pos+2] = pixel & 0xff; | |
1877 | } | |
c7abc967 | 1878 | |
dbda9e86 | 1879 | /* |
38274997 RR |
1880 | if (gdk_image_mask) |
1881 | { | |
dbda9e86 JS |
1882 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
1883 | if (mask_pixel == 0) | |
1884 | { | |
1885 | data[pos] = 16; | |
1886 | data[pos+1] = 16; | |
1887 | data[pos+2] = 16; | |
38274997 | 1888 | } |
dbda9e86 JS |
1889 | } |
1890 | */ | |
c7abc967 | 1891 | |
38274997 RR |
1892 | pos += 3; |
1893 | } | |
1894 | } | |
c7abc967 | 1895 | |
38274997 | 1896 | XDestroyImage( ximage ); |
dbda9e86 | 1897 | /* |
38274997 | 1898 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
dbda9e86 | 1899 | */ |
ee4c6942 JS |
1900 | } |
1901 | #endif | |
a91b47e8 JS |
1902 | |
1903 | // A module to allow wxImage initialization/cleanup | |
1904 | // without calling these functions from app.cpp or from | |
1905 | // the user's application. | |
1906 | ||
1907 | class wxImageModule: public wxModule | |
1908 | { | |
1909 | DECLARE_DYNAMIC_CLASS(wxImageModule) | |
1910 | public: | |
1911 | wxImageModule() {} | |
1912 | bool OnInit() { wxImage::InitStandardHandlers(); return TRUE; }; | |
1913 | void OnExit() { wxImage::CleanUpHandlers(); }; | |
1914 | }; | |
1915 | ||
1916 | IMPLEMENT_DYNAMIC_CLASS(wxImageModule, wxModule) |