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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" |
ac57418f | 26 | #ifdef wxUSE_LIBPNG |
01111366 | 27 | #include "../png/png.h" |
ac57418f | 28 | #endif |
dc86cb34 | 29 | #include "wx/filefn.h" |
3d05544e | 30 | #include "wx/wfstream.h" |
b75867a6 | 31 | #include "wx/intl.h" |
01111366 | 32 | |
2432b92d JS |
33 | #ifdef __WXMSW__ |
34 | #include <windows.h> | |
35 | #endif | |
36 | ||
01111366 RR |
37 | //----------------------------------------------------------------------------- |
38 | // wxImage | |
39 | //----------------------------------------------------------------------------- | |
40 | ||
41 | class wxImageRefData: public wxObjectRefData | |
42 | { | |
fd0eed64 RR |
43 | |
44 | public: | |
45 | wxImageRefData(void); | |
46 | ~wxImageRefData(void); | |
4698648f | 47 | |
fd0eed64 RR |
48 | int m_width; |
49 | int m_height; | |
50 | unsigned char *m_data; | |
51 | bool m_hasMask; | |
52 | unsigned char m_maskRed,m_maskGreen,m_maskBlue; | |
53 | bool m_ok; | |
01111366 RR |
54 | }; |
55 | ||
56 | wxImageRefData::wxImageRefData(void) | |
57 | { | |
fd0eed64 RR |
58 | m_width = 0; |
59 | m_height = 0; | |
60 | m_data = (unsigned char*) NULL; | |
61 | m_ok = FALSE; | |
62 | m_maskRed = 0; | |
63 | m_maskGreen = 0; | |
64 | m_maskBlue = 0; | |
65 | m_hasMask = FALSE; | |
01111366 RR |
66 | } |
67 | ||
68 | wxImageRefData::~wxImageRefData(void) | |
69 | { | |
fd0eed64 | 70 | if (m_data) free( m_data ); |
01111366 RR |
71 | } |
72 | ||
73 | wxList wxImage::sm_handlers; | |
74 | ||
75 | //----------------------------------------------------------------------------- | |
76 | ||
77 | #define M_IMGDATA ((wxImageRefData *)m_refData) | |
78 | ||
79 | #if !USE_SHARED_LIBRARIES | |
80 | IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject) | |
81 | #endif | |
82 | ||
83 | wxImage::wxImage() | |
84 | { | |
85 | } | |
86 | ||
87 | wxImage::wxImage( int width, int height ) | |
88 | { | |
fd0eed64 | 89 | Create( width, height ); |
01111366 RR |
90 | } |
91 | ||
92 | wxImage::wxImage( const wxString& name, long type ) | |
93 | { | |
fd0eed64 | 94 | LoadFile( name, type ); |
01111366 RR |
95 | } |
96 | ||
3d05544e JS |
97 | wxImage::wxImage( wxInputStream& stream, long type ) |
98 | { | |
99 | LoadFile( stream, type ); | |
100 | } | |
101 | ||
4698648f VZ |
102 | wxImage::wxImage( const wxImage& image ) |
103 | { | |
104 | Ref(image); | |
01111366 RR |
105 | } |
106 | ||
4698648f VZ |
107 | wxImage::wxImage( const wxImage* image ) |
108 | { | |
109 | if (image) Ref(*image); | |
01111366 RR |
110 | } |
111 | ||
112 | void wxImage::Create( int width, int height ) | |
113 | { | |
fd0eed64 | 114 | m_refData = new wxImageRefData(); |
4698648f | 115 | |
fd0eed64 RR |
116 | M_IMGDATA->m_data = (unsigned char *) malloc( width*height*3 ); |
117 | if (M_IMGDATA->m_data) | |
118 | { | |
119 | for (int l = 0; l < width*height*3; l++) M_IMGDATA->m_data[l] = 0; | |
4698648f | 120 | |
fd0eed64 RR |
121 | M_IMGDATA->m_width = width; |
122 | M_IMGDATA->m_height = height; | |
123 | M_IMGDATA->m_ok = TRUE; | |
124 | } | |
125 | else | |
126 | { | |
127 | UnRef(); | |
128 | } | |
01111366 RR |
129 | } |
130 | ||
131 | void wxImage::Destroy() | |
132 | { | |
fd0eed64 | 133 | UnRef(); |
01111366 RR |
134 | } |
135 | ||
4bc67cc5 RR |
136 | wxImage wxImage::Scale( int width, int height ) |
137 | { | |
138 | wxImage image; | |
4698648f | 139 | |
4bc67cc5 | 140 | wxCHECK_MSG( Ok(), image, "invlaid image" ); |
4698648f | 141 | |
4bc67cc5 | 142 | wxCHECK_MSG( (width > 0) && (height > 0), image, "invalid image size" ); |
4698648f | 143 | |
4bc67cc5 | 144 | image.Create( width, height ); |
4698648f | 145 | |
4bc67cc5 | 146 | char unsigned *data = image.GetData(); |
4698648f | 147 | |
4bc67cc5 | 148 | wxCHECK_MSG( data, image, "unable to create image" ); |
4698648f | 149 | |
4bc67cc5 RR |
150 | if (M_IMGDATA->m_hasMask) |
151 | image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); | |
4698648f | 152 | |
4bc67cc5 RR |
153 | double xscale = (double)width / (double)M_IMGDATA->m_width; |
154 | double yscale = (double)height / (double)M_IMGDATA->m_height; | |
4698648f | 155 | |
4bc67cc5 RR |
156 | for (int j = 0; j < height; j++) |
157 | { | |
158 | for (int i = 0; i < width; i++) | |
4698648f VZ |
159 | { |
160 | int new_pos = 3*(j*width + i); | |
161 | int old_pos = 3*((long)(j/yscale)*M_IMGDATA->m_width + (long)(i/xscale)); | |
162 | data[ new_pos ] = M_IMGDATA->m_data[ old_pos ]; | |
163 | data[ new_pos+1 ] = M_IMGDATA->m_data[ old_pos+1 ]; | |
164 | data[ new_pos+2 ] = M_IMGDATA->m_data[ old_pos+2 ]; | |
165 | } | |
4bc67cc5 | 166 | } |
4698648f | 167 | |
4bc67cc5 RR |
168 | return image; |
169 | } | |
4698648f | 170 | |
ef539066 RR |
171 | void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) |
172 | { | |
173 | wxCHECK_RET( Ok(), "invalid image" ); | |
4698648f | 174 | |
ef539066 RR |
175 | int w = M_IMGDATA->m_width; |
176 | int h = M_IMGDATA->m_height; | |
4698648f | 177 | |
ef539066 | 178 | wxCHECK_RET( (x>=0) && (y>=0) && (x<w) && (y<h), "invalid image index" ); |
4698648f | 179 | |
ef539066 | 180 | long pos = (y * w + x) * 3; |
4698648f | 181 | |
ef539066 RR |
182 | M_IMGDATA->m_data[ pos ] = r; |
183 | M_IMGDATA->m_data[ pos+1 ] = g; | |
184 | M_IMGDATA->m_data[ pos+2 ] = b; | |
185 | } | |
186 | ||
187 | unsigned char wxImage::GetRed( int x, int y ) | |
188 | { | |
189 | wxCHECK_MSG( Ok(), 0, "invalid image" ); | |
4698648f | 190 | |
ef539066 RR |
191 | int w = M_IMGDATA->m_width; |
192 | int h = M_IMGDATA->m_height; | |
4698648f | 193 | |
ef539066 | 194 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, "invalid image index" ); |
4698648f | 195 | |
ef539066 | 196 | long pos = (y * w + x) * 3; |
4698648f | 197 | |
ef539066 RR |
198 | return M_IMGDATA->m_data[pos]; |
199 | } | |
200 | ||
201 | unsigned char wxImage::GetGreen( int x, int y ) | |
202 | { | |
203 | wxCHECK_MSG( Ok(), 0, "invalid image" ); | |
4698648f | 204 | |
ef539066 RR |
205 | int w = M_IMGDATA->m_width; |
206 | int h = M_IMGDATA->m_height; | |
4698648f | 207 | |
ef539066 | 208 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, "invalid image index" ); |
4698648f | 209 | |
ef539066 | 210 | long pos = (y * w + x) * 3; |
4698648f | 211 | |
ef539066 RR |
212 | return M_IMGDATA->m_data[pos+1]; |
213 | } | |
214 | ||
215 | unsigned char wxImage::GetBlue( int x, int y ) | |
216 | { | |
217 | wxCHECK_MSG( Ok(), 0, "invalid image" ); | |
4698648f | 218 | |
ef539066 RR |
219 | int w = M_IMGDATA->m_width; |
220 | int h = M_IMGDATA->m_height; | |
4698648f | 221 | |
ef539066 | 222 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, "invalid image index" ); |
4698648f | 223 | |
ef539066 | 224 | long pos = (y * w + x) * 3; |
4698648f | 225 | |
ef539066 RR |
226 | return M_IMGDATA->m_data[pos+2]; |
227 | } | |
4698648f VZ |
228 | |
229 | bool wxImage::Ok() const | |
230 | { | |
231 | return (M_IMGDATA && M_IMGDATA->m_ok); | |
01111366 RR |
232 | } |
233 | ||
234 | char unsigned *wxImage::GetData() const | |
235 | { | |
4bc67cc5 | 236 | wxCHECK_MSG( Ok(), (char unsigned *)NULL, "invalid image" ); |
4698648f | 237 | |
fd0eed64 | 238 | return M_IMGDATA->m_data; |
01111366 RR |
239 | } |
240 | ||
241 | void wxImage::SetData( char unsigned *WXUNUSED(data) ) | |
242 | { | |
4bc67cc5 | 243 | wxCHECK_RET( Ok(), "invalid image" ); |
01111366 RR |
244 | } |
245 | ||
246 | void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) | |
247 | { | |
4bc67cc5 | 248 | wxCHECK_RET( Ok(), "invalid image" ); |
4698648f | 249 | |
fd0eed64 RR |
250 | M_IMGDATA->m_maskRed = r; |
251 | M_IMGDATA->m_maskGreen = g; | |
252 | M_IMGDATA->m_maskBlue = b; | |
253 | M_IMGDATA->m_hasMask = TRUE; | |
01111366 RR |
254 | } |
255 | ||
256 | unsigned char wxImage::GetMaskRed() const | |
257 | { | |
4bc67cc5 | 258 | wxCHECK_MSG( Ok(), 0, "invalid image" ); |
4698648f | 259 | |
fd0eed64 | 260 | return M_IMGDATA->m_maskRed; |
01111366 RR |
261 | } |
262 | ||
263 | unsigned char wxImage::GetMaskGreen() const | |
264 | { | |
4bc67cc5 | 265 | wxCHECK_MSG( Ok(), 0, "invalid image" ); |
4698648f | 266 | |
fd0eed64 | 267 | return M_IMGDATA->m_maskGreen; |
01111366 RR |
268 | } |
269 | ||
270 | unsigned char wxImage::GetMaskBlue() const | |
271 | { | |
4bc67cc5 | 272 | wxCHECK_MSG( Ok(), 0, "invalid image" ); |
4698648f | 273 | |
fd0eed64 | 274 | return M_IMGDATA->m_maskBlue; |
01111366 | 275 | } |
4698648f | 276 | |
01111366 RR |
277 | void wxImage::SetMask( bool mask ) |
278 | { | |
4bc67cc5 | 279 | wxCHECK_RET( Ok(), "invalid image" ); |
4698648f | 280 | |
fd0eed64 | 281 | M_IMGDATA->m_hasMask = mask; |
01111366 RR |
282 | } |
283 | ||
284 | bool wxImage::HasMask() const | |
285 | { | |
4bc67cc5 | 286 | wxCHECK_MSG( Ok(), FALSE, "invalid image" ); |
4698648f | 287 | |
fd0eed64 | 288 | return M_IMGDATA->m_hasMask; |
01111366 RR |
289 | } |
290 | ||
4698648f VZ |
291 | int wxImage::GetWidth() const |
292 | { | |
4bc67cc5 | 293 | wxCHECK_MSG( Ok(), 0, "invalid image" ); |
4698648f VZ |
294 | |
295 | return M_IMGDATA->m_width; | |
01111366 RR |
296 | } |
297 | ||
4698648f VZ |
298 | int wxImage::GetHeight() const |
299 | { | |
4bc67cc5 | 300 | wxCHECK_MSG( Ok(), 0, "invalid image" ); |
4698648f VZ |
301 | |
302 | return M_IMGDATA->m_height; | |
01111366 RR |
303 | } |
304 | ||
305 | bool wxImage::LoadFile( const wxString& filename, long type ) | |
306 | { | |
3d05544e | 307 | if (wxFileExists(filename)) |
fd0eed64 | 308 | { |
3d05544e JS |
309 | wxFileInputStream stream(filename); |
310 | return LoadFile(stream, type); | |
311 | } | |
312 | ||
313 | else { | |
fd0eed64 | 314 | wxLogWarning( "Image file does not exist." ); |
dc86cb34 | 315 | |
fd0eed64 RR |
316 | return FALSE; |
317 | } | |
3d05544e | 318 | } |
01111366 | 319 | |
3d05544e JS |
320 | bool wxImage::LoadFile( wxInputStream& stream, long type ) |
321 | { | |
322 | UnRef(); | |
4698648f | 323 | |
fd0eed64 | 324 | m_refData = new wxImageRefData; |
01111366 | 325 | |
fd0eed64 | 326 | wxImageHandler *handler = FindHandler(type); |
01111366 | 327 | |
4698648f | 328 | if (handler == NULL) |
fd0eed64 RR |
329 | { |
330 | wxLogWarning( "No image handler for type %d defined.", type ); | |
01111366 | 331 | |
fd0eed64 RR |
332 | return FALSE; |
333 | } | |
01111366 | 334 | |
3d05544e | 335 | return handler->LoadFile( this, stream ); |
01111366 RR |
336 | } |
337 | ||
338 | bool wxImage::SaveFile( const wxString& filename, int type ) | |
3d05544e JS |
339 | { |
340 | wxFileOutputStream stream(filename); | |
341 | ||
342 | if ( stream.LastError() == wxStream_NOERROR ) | |
343 | return SaveFile(stream, type); | |
344 | else | |
345 | return FALSE; | |
346 | } | |
347 | ||
348 | bool wxImage::SaveFile( wxOutputStream& stream, int type ) | |
01111366 | 349 | { |
4bc67cc5 | 350 | wxCHECK_MSG( Ok(), FALSE, "invalid image" ); |
4698648f | 351 | |
fd0eed64 | 352 | wxImageHandler *handler = FindHandler(type); |
01111366 | 353 | |
4698648f | 354 | if (handler == NULL) |
fd0eed64 RR |
355 | { |
356 | wxLogWarning( "No image handler for type %d defined.", type ); | |
01111366 | 357 | |
fd0eed64 RR |
358 | return FALSE; |
359 | } | |
01111366 | 360 | |
3d05544e | 361 | return handler->SaveFile( this, stream ); |
01111366 RR |
362 | } |
363 | ||
364 | void wxImage::AddHandler( wxImageHandler *handler ) | |
365 | { | |
4698648f VZ |
366 | // make sure that the memory will be freed at the program end |
367 | sm_handlers.DeleteContents(TRUE); | |
368 | ||
01111366 RR |
369 | sm_handlers.Append( handler ); |
370 | } | |
371 | ||
372 | void wxImage::InsertHandler( wxImageHandler *handler ) | |
373 | { | |
4698648f VZ |
374 | // make sure that the memory will be freed at the program end |
375 | sm_handlers.DeleteContents(TRUE); | |
376 | ||
01111366 RR |
377 | sm_handlers.Insert( handler ); |
378 | } | |
379 | ||
380 | bool wxImage::RemoveHandler( const wxString& name ) | |
381 | { | |
fd0eed64 RR |
382 | wxImageHandler *handler = FindHandler(name); |
383 | if (handler) | |
384 | { | |
385 | sm_handlers.DeleteObject(handler); | |
386 | return TRUE; | |
387 | } | |
388 | else | |
389 | return FALSE; | |
01111366 RR |
390 | } |
391 | ||
392 | wxImageHandler *wxImage::FindHandler( const wxString& name ) | |
393 | { | |
fd0eed64 RR |
394 | wxNode *node = sm_handlers.First(); |
395 | while (node) | |
396 | { | |
397 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
398 | if (handler->GetName() == name) return handler; | |
399 | node = node->Next(); | |
400 | } | |
401 | return (wxImageHandler *)NULL; | |
01111366 RR |
402 | } |
403 | ||
404 | wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType ) | |
405 | { | |
fd0eed64 RR |
406 | wxNode *node = sm_handlers.First(); |
407 | while (node) | |
408 | { | |
409 | wxImageHandler *handler = (wxImageHandler*)node->Data(); | |
410 | if ( handler->GetExtension() == extension && | |
411 | (bitmapType == -1 || handler->GetType() == bitmapType) ) | |
412 | return handler; | |
413 | node = node->Next(); | |
414 | } | |
415 | return (wxImageHandler*)NULL; | |
01111366 RR |
416 | } |
417 | ||
418 | wxImageHandler *wxImage::FindHandler( long bitmapType ) | |
419 | { | |
fd0eed64 RR |
420 | wxNode *node = sm_handlers.First(); |
421 | while (node) | |
422 | { | |
423 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
424 | if (handler->GetType() == bitmapType) return handler; | |
425 | node = node->Next(); | |
426 | } | |
427 | return NULL; | |
428 | } | |
429 | ||
430 | void wxImage::InitStandardHandlers() | |
431 | { | |
432 | AddHandler( new wxBMPHandler ); | |
ac57418f | 433 | #ifdef wxUSE_LIBPNG |
fd0eed64 | 434 | AddHandler( new wxPNGHandler ); |
ac57418f | 435 | #endif |
01111366 RR |
436 | } |
437 | ||
438 | void wxImage::CleanUpHandlers() | |
439 | { | |
fd0eed64 RR |
440 | wxNode *node = sm_handlers.First(); |
441 | while (node) | |
442 | { | |
443 | wxImageHandler *handler = (wxImageHandler *)node->Data(); | |
444 | wxNode *next = node->Next(); | |
445 | delete handler; | |
446 | delete node; | |
447 | node = next; | |
448 | } | |
01111366 RR |
449 | } |
450 | ||
451 | //----------------------------------------------------------------------------- | |
452 | // wxImageHandler | |
453 | //----------------------------------------------------------------------------- | |
454 | ||
455 | #if !USE_SHARED_LIBRARIES | |
456 | IMPLEMENT_DYNAMIC_CLASS(wxImageHandler,wxObject) | |
457 | #endif | |
458 | ||
3d05544e | 459 | bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream) ) |
01111366 | 460 | { |
fd0eed64 | 461 | return FALSE; |
01111366 RR |
462 | } |
463 | ||
3d05544e | 464 | bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream) ) |
01111366 | 465 | { |
fd0eed64 | 466 | return FALSE; |
01111366 RR |
467 | } |
468 | ||
469 | //----------------------------------------------------------------------------- | |
470 | // wxPNGHandler | |
471 | //----------------------------------------------------------------------------- | |
472 | ||
ac57418f RR |
473 | #ifdef wxUSE_LIBPNG |
474 | ||
01111366 RR |
475 | #if !USE_SHARED_LIBRARIES |
476 | IMPLEMENT_DYNAMIC_CLASS(wxPNGHandler,wxImageHandler) | |
477 | #endif | |
3d05544e JS |
478 | |
479 | ||
480 | static void _PNG_stream_reader( png_structp png_ptr, png_bytep data, png_size_t length ) | |
481 | { | |
482 | ((wxInputStream*) png_get_io_ptr( png_ptr )) -> Read(data, length); | |
483 | } | |
4698648f | 484 | |
3d05544e | 485 | static void _PNG_stream_writer( png_structp png_ptr, png_bytep data, png_size_t length ) |
01111366 | 486 | { |
3d05544e JS |
487 | ((wxOutputStream*) png_get_io_ptr( png_ptr )) -> Write(data, length); |
488 | } | |
4698648f | 489 | |
3d05544e JS |
490 | bool wxPNGHandler::LoadFile( wxImage *image, wxInputStream& stream ) |
491 | { | |
4698648f VZ |
492 | // VZ: as this function uses setjmp() the only fool proof error handling |
493 | // method is to use goto (setjmp is not really C++ dtors friendly...) | |
2b1c162e RR |
494 | |
495 | unsigned char **lines = (unsigned char **) NULL; | |
496 | png_infop info_ptr = (png_infop) NULL; | |
497 | ||
702ca7c0 | 498 | image->Destroy(); |
702ca7c0 | 499 | |
4698648f VZ |
500 | png_structp png_ptr = png_create_read_struct( PNG_LIBPNG_VER_STRING, |
501 | (voidp) NULL, | |
502 | (png_error_ptr) NULL, | |
503 | (png_error_ptr) NULL ); | |
504 | if (!png_ptr) | |
505 | goto error; | |
506 | ||
507 | info_ptr = png_create_info_struct( png_ptr ); | |
702ca7c0 | 508 | if (!info_ptr) |
4698648f | 509 | goto error; |
702ca7c0 RR |
510 | |
511 | if (setjmp(png_ptr->jmpbuf)) | |
4698648f | 512 | goto error; |
702ca7c0 RR |
513 | |
514 | if (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA) | |
4698648f VZ |
515 | goto error; |
516 | ||
3d05544e | 517 | png_set_read_fn( png_ptr, &stream, _PNG_stream_reader); |
4698648f | 518 | |
702ca7c0 RR |
519 | png_uint_32 width,height; |
520 | int bit_depth,color_type,interlace_type; | |
521 | ||
522 | png_read_info( png_ptr, info_ptr ); | |
523 | png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, (int*) NULL, (int*) NULL ); | |
4698648f VZ |
524 | |
525 | if (color_type == PNG_COLOR_TYPE_PALETTE) | |
526 | png_set_expand( png_ptr ); | |
527 | ||
702ca7c0 RR |
528 | png_set_strip_16( png_ptr ); |
529 | png_set_packing( png_ptr ); | |
4698648f VZ |
530 | if (png_get_valid( png_ptr, info_ptr, PNG_INFO_tRNS)) |
531 | png_set_expand( png_ptr ); | |
702ca7c0 | 532 | png_set_filler( png_ptr, 0xff, PNG_FILLER_AFTER ); |
4698648f | 533 | |
702ca7c0 | 534 | image->Create( width, height ); |
4698648f | 535 | |
702ca7c0 | 536 | if (!image->Ok()) |
4698648f VZ |
537 | goto error; |
538 | ||
539 | lines = (unsigned char **)malloc( height * sizeof(unsigned char *) ); | |
702ca7c0 | 540 | if (lines == NULL) |
4698648f VZ |
541 | goto error; |
542 | ||
2b1c162e | 543 | for (unsigned int i = 0; i < height; i++) |
702ca7c0 RR |
544 | { |
545 | if ((lines[i] = (unsigned char *)malloc(width * (sizeof(unsigned char) * 4))) == NULL) | |
546 | { | |
4698648f VZ |
547 | for ( unsigned int n = 0; n < i; n++ ) |
548 | free( lines[n] ); | |
549 | goto error; | |
702ca7c0 RR |
550 | } |
551 | } | |
4698648f VZ |
552 | |
553 | // loaded successfully! | |
702ca7c0 | 554 | { |
4698648f VZ |
555 | int transp = 0; |
556 | png_read_image( png_ptr, lines ); | |
557 | png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL ); | |
558 | unsigned char *ptr = image->GetData(); | |
559 | if ((color_type == PNG_COLOR_TYPE_GRAY) || | |
560 | (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) | |
561 | { | |
562 | for (unsigned int y = 0; y < height; y++) | |
563 | { | |
564 | unsigned char *ptr2 = lines[y]; | |
565 | for (unsigned int x = 0; x < width; x++) | |
566 | { | |
567 | unsigned char r = *ptr2++; | |
568 | unsigned char a = *ptr2++; | |
569 | if (a < 128) | |
570 | { | |
571 | *ptr++ = 255; | |
572 | *ptr++ = 0; | |
573 | *ptr++ = 255; | |
574 | transp = 1; | |
575 | } | |
576 | else | |
577 | { | |
578 | *ptr++ = r; | |
579 | *ptr++ = r; | |
580 | *ptr++ = r; | |
581 | } | |
582 | } | |
583 | } | |
584 | } | |
585 | else | |
586 | { | |
587 | for (unsigned int y = 0; y < height; y++) | |
588 | { | |
589 | unsigned char *ptr2 = lines[y]; | |
590 | for (unsigned int x = 0; x < width; x++) | |
591 | { | |
592 | unsigned char r = *ptr2++; | |
593 | unsigned char g = *ptr2++; | |
594 | unsigned char b = *ptr2++; | |
595 | unsigned char a = *ptr2++; | |
596 | if (a < 128) | |
597 | { | |
598 | *ptr++ = 255; | |
599 | *ptr++ = 0; | |
600 | *ptr++ = 255; | |
601 | transp = 1; | |
602 | } | |
603 | else | |
604 | { | |
605 | if ((r == 255) && (g == 0) && (b == 255)) r = 254; | |
606 | *ptr++ = r; | |
607 | *ptr++ = g; | |
608 | *ptr++ = b; | |
609 | } | |
610 | } | |
611 | } | |
612 | } | |
613 | ||
614 | for ( unsigned int j = 0; j < height; j++ ) | |
615 | free( lines[j] ); | |
616 | free( lines ); | |
617 | ||
618 | if (transp) | |
619 | { | |
620 | image->SetMaskColour( 255, 0, 255 ); | |
621 | } | |
622 | else | |
623 | { | |
624 | image->SetMask( FALSE ); | |
625 | } | |
702ca7c0 | 626 | } |
4698648f VZ |
627 | |
628 | return TRUE; | |
629 | ||
630 | error: | |
631 | wxLogError(_("Couldn't load a PNG image - probably file is corrupted.")); | |
632 | ||
633 | if ( image->Ok() ) | |
702ca7c0 | 634 | { |
4698648f | 635 | image->Destroy(); |
702ca7c0 | 636 | } |
4698648f VZ |
637 | |
638 | if ( lines ) | |
702ca7c0 | 639 | { |
4698648f | 640 | free( lines ); |
702ca7c0 | 641 | } |
4698648f VZ |
642 | |
643 | if ( png_ptr ) | |
702ca7c0 | 644 | { |
4698648f VZ |
645 | if ( info_ptr ) |
646 | { | |
647 | png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL ); | |
648 | free(info_ptr); | |
649 | } | |
650 | else | |
651 | png_destroy_read_struct( &png_ptr, (png_infopp) NULL, (png_infopp) NULL ); | |
702ca7c0 | 652 | } |
4698648f | 653 | return FALSE; |
01111366 RR |
654 | } |
655 | ||
656 | ||
3d05544e | 657 | bool wxPNGHandler::SaveFile( wxImage *image, wxOutputStream& stream ) |
01111366 | 658 | { |
3d05544e JS |
659 | { |
660 | png_structp png_ptr = png_create_write_struct( PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); | |
4698648f VZ |
661 | if (!png_ptr) |
662 | { | |
663 | return FALSE; | |
01111366 | 664 | } |
4698648f | 665 | |
01111366 RR |
666 | png_infop info_ptr = png_create_info_struct(png_ptr); |
667 | if (info_ptr == NULL) | |
668 | { | |
3d05544e JS |
669 | png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); |
670 | return FALSE; | |
01111366 | 671 | } |
4698648f | 672 | |
01111366 RR |
673 | if (setjmp(png_ptr->jmpbuf)) |
674 | { | |
3d05544e JS |
675 | png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); |
676 | return FALSE; | |
01111366 | 677 | } |
4698648f | 678 | |
3d05544e JS |
679 | png_set_write_fn( png_ptr, &stream, _PNG_stream_writer, NULL); |
680 | ||
01111366 | 681 | png_set_IHDR( png_ptr, info_ptr, image->GetWidth(), image->GetHeight(), 8, |
4698648f VZ |
682 | PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE, |
683 | PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); | |
702ca7c0 | 684 | |
01111366 RR |
685 | png_color_8 sig_bit; |
686 | sig_bit.red = 8; | |
687 | sig_bit.green = 8; | |
688 | sig_bit.blue = 8; | |
689 | sig_bit.alpha = 8; | |
690 | png_set_sBIT( png_ptr, info_ptr, &sig_bit ); | |
691 | png_write_info( png_ptr, info_ptr ); | |
692 | png_set_shift( png_ptr, &sig_bit ); | |
693 | png_set_packing( png_ptr ); | |
4698648f | 694 | |
01111366 RR |
695 | unsigned char *data = (unsigned char *)malloc( image->GetWidth()*4 ); |
696 | if (!data) | |
697 | { | |
3d05544e JS |
698 | png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); |
699 | return FALSE; | |
01111366 | 700 | } |
4698648f | 701 | |
01111366 RR |
702 | for (int y = 0; y < image->GetHeight(); y++) |
703 | { | |
702ca7c0 RR |
704 | unsigned char *ptr = image->GetData() + (y * image->GetWidth() * 3); |
705 | for (int x = 0; x < image->GetWidth(); x++) | |
706 | { | |
4698648f VZ |
707 | data[(x << 2) + 0] = *ptr++; |
708 | data[(x << 2) + 1] = *ptr++; | |
709 | data[(x << 2) + 2] = *ptr++; | |
710 | if ((data[(x << 2) + 0] == image->GetMaskRed()) && | |
711 | (data[(x << 2) + 1] == image->GetMaskGreen()) && | |
712 | (data[(x << 2) + 2] == image->GetMaskBlue())) | |
713 | { | |
702ca7c0 | 714 | data[(x << 2) + 3] = 0; |
4698648f VZ |
715 | } |
716 | else | |
717 | { | |
718 | data[(x << 2) + 3] = 255; | |
719 | } | |
702ca7c0 RR |
720 | } |
721 | png_bytep row_ptr = data; | |
722 | png_write_rows( png_ptr, &row_ptr, 1 ); | |
01111366 | 723 | } |
4698648f | 724 | |
01111366 RR |
725 | free(data); |
726 | png_write_end( png_ptr, info_ptr ); | |
4698648f | 727 | png_destroy_write_struct( &png_ptr, (png_infopp)&info_ptr ); |
3d05544e JS |
728 | } |
729 | return TRUE; | |
01111366 RR |
730 | } |
731 | ||
4698648f | 732 | #endif |
ac57418f RR |
733 | |
734 | // wxUSE_LIBPNG | |
735 | ||
01111366 RR |
736 | //----------------------------------------------------------------------------- |
737 | // wxBMPHandler | |
738 | //----------------------------------------------------------------------------- | |
739 | ||
740 | #if !USE_SHARED_LIBRARIES | |
741 | IMPLEMENT_DYNAMIC_CLASS(wxBMPHandler,wxImageHandler) | |
742 | #endif | |
4698648f | 743 | |
3d05544e | 744 | bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) |
01111366 | 745 | { |
01111366 RR |
746 | unsigned char *data, *ptr; |
747 | int done, i, bpp, planes, comp, ncolors, line, column, | |
748 | linesize, linepos, rshift = 0, gshift = 0, bshift = 0; | |
e3554471 | 749 | unsigned char aByte; |
01111366 RR |
750 | short int word; |
751 | long int dbuf[4], dword, rmask = 0, gmask = 0, bmask = 0, offset, | |
752 | size; | |
3d05544e | 753 | off_t start_offset = stream.TellI(); |
01111366 RR |
754 | signed char bbuf[4]; |
755 | struct _cmap | |
756 | { | |
4698648f | 757 | unsigned char r, g, b; |
01111366 RR |
758 | } |
759 | *cmap = NULL; | |
0b4f9ee3 | 760 | #ifndef BI_RGB |
01111366 RR |
761 | #define BI_RGB 0 |
762 | #define BI_RLE8 1 | |
763 | #define BI_RLE4 2 | |
62448488 JS |
764 | #endif |
765 | ||
766 | #ifndef BI_BITFIELDS | |
01111366 | 767 | #define BI_BITFIELDS 3 |
0b4f9ee3 | 768 | #endif |
01111366 RR |
769 | |
770 | image->Destroy(); | |
771 | ||
01111366 | 772 | done = 0; |
4698648f VZ |
773 | /* |
774 | * Reading the bmp header | |
01111366 RR |
775 | */ |
776 | ||
3d05544e | 777 | stream.Read(&bbuf, 2); |
01111366 | 778 | |
3d05544e | 779 | stream.Read(dbuf, 4 * 4); |
01111366 RR |
780 | |
781 | size = dbuf[0]; | |
782 | offset = dbuf[2]; | |
783 | ||
3d05544e | 784 | stream.Read(dbuf, 4 * 2); |
01111366 RR |
785 | int width = (int)dbuf[0]; |
786 | int height = (int)dbuf[1]; | |
787 | if (width > 32767) | |
788 | { | |
4698648f VZ |
789 | wxLogError( "Image width > 32767 pixels for file\n" ); |
790 | return FALSE; | |
01111366 RR |
791 | } |
792 | if (height > 32767) | |
793 | { | |
4698648f VZ |
794 | wxLogError( "Image height > 32767 pixels for file\n" ); |
795 | return FALSE; | |
01111366 | 796 | } |
3d05544e | 797 | stream.Read(&word, 2); |
01111366 | 798 | planes = (int)word; |
3d05544e | 799 | stream.Read(&word, 2); |
01111366 RR |
800 | bpp = (int)word; |
801 | if (bpp != 1 && bpp != 4 && bpp != 8 && bpp && 16 && bpp != 24 && bpp != 32) | |
802 | { | |
4698648f VZ |
803 | wxLogError( "unknown bitdepth in file\n" ); |
804 | return FALSE; | |
01111366 | 805 | } |
3d05544e | 806 | stream.Read(dbuf, 4 * 4); |
01111366 RR |
807 | comp = (int)dbuf[0]; |
808 | if (comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && comp != BI_BITFIELDS) | |
809 | { | |
06cfab17 | 810 | wxLogError( "unknown encoding in Windows BMP file\n" ); |
4698648f | 811 | return FALSE; |
01111366 | 812 | } |
3d05544e | 813 | stream.Read(dbuf, 4 * 2); |
01111366 RR |
814 | ncolors = (int)dbuf[0]; |
815 | if (ncolors == 0) | |
816 | ncolors = 1 << bpp; | |
817 | /* some more sanity checks */ | |
818 | if (((comp == BI_RLE4) && (bpp != 4)) || ((comp == BI_RLE8) && (bpp != 8)) || ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32))) | |
819 | { | |
06cfab17 | 820 | wxLogError( "encoding of BMP doesn't match bitdepth\n" ); |
4698648f | 821 | return FALSE; |
01111366 RR |
822 | } |
823 | if (bpp < 16) | |
824 | { | |
4698648f | 825 | cmap = (struct _cmap *)malloc(sizeof(struct _cmap) * ncolors); |
01111366 | 826 | |
4698648f VZ |
827 | if (!cmap) |
828 | { | |
829 | wxLogError( "Cannot allocate RAM for color map in BMP file\n" ); | |
830 | return FALSE; | |
831 | } | |
01111366 RR |
832 | } |
833 | else | |
834 | cmap = NULL; | |
4698648f VZ |
835 | |
836 | image->Create( width, height ); | |
01111366 RR |
837 | ptr = image->GetData(); |
838 | if (!ptr) | |
839 | { | |
06cfab17 | 840 | wxLogError( "Cannot allocate RAM for RGB data in file\n" ); |
4698648f VZ |
841 | if (cmap) |
842 | free(cmap); | |
843 | return FALSE; | |
01111366 RR |
844 | } |
845 | ||
846 | /* | |
847 | * Reading the palette, if it exists. | |
848 | */ | |
849 | if (bpp < 16 && ncolors != 0) | |
850 | { | |
4698648f VZ |
851 | for (i = 0; i < ncolors; i++) |
852 | { | |
853 | stream.Read(bbuf, 4); | |
854 | cmap[i].b = bbuf[0]; | |
855 | cmap[i].g = bbuf[1]; | |
856 | cmap[i].r = bbuf[2]; | |
857 | } | |
01111366 RR |
858 | } |
859 | else if (bpp == 16 || bpp == 32) | |
860 | { | |
4698648f VZ |
861 | if (comp == BI_BITFIELDS) |
862 | { | |
863 | int bit = 0; | |
864 | ||
865 | stream.Read(dbuf, 4 * 3); | |
866 | bmask = dbuf[0]; | |
867 | gmask = dbuf[1]; | |
868 | rmask = dbuf[2]; | |
869 | /* find shift amount.. ugly, but i can't think of a better way */ | |
870 | for (bit = 0; bit < bpp; bit++) | |
871 | { | |
872 | if (bmask & (1 << bit)) | |
873 | bshift = bit; | |
874 | if (gmask & (1 << bit)) | |
875 | gshift = bit; | |
876 | if (rmask & (1 << bit)) | |
877 | rshift = bit; | |
878 | } | |
879 | } | |
880 | else if (bpp == 16) | |
881 | { | |
882 | rmask = 0x7C00; | |
883 | gmask = 0x03E0; | |
884 | bmask = 0x001F; | |
885 | rshift = 10; | |
886 | gshift = 5; | |
887 | bshift = 0; | |
888 | } | |
889 | else if (bpp == 32) | |
890 | { | |
891 | rmask = 0x00FF0000; | |
892 | gmask = 0x0000FF00; | |
893 | bmask = 0x000000FF; | |
894 | rshift = 16; | |
895 | gshift = 8; | |
896 | bshift = 0; | |
897 | } | |
01111366 RR |
898 | } |
899 | ||
900 | /* | |
bbe0af5b | 901 | * Reading the image data |
01111366 | 902 | */ |
3d05544e | 903 | stream.SeekI(start_offset + offset); |
01111366 RR |
904 | data = ptr; |
905 | ||
906 | /* set the whole image to the background color */ | |
907 | if (bpp < 16 && (comp == BI_RLE4 || comp == BI_RLE8)) | |
908 | { | |
4698648f VZ |
909 | for (i = 0; i < width * height; i++) |
910 | { | |
911 | *ptr++ = cmap[0].r; | |
912 | *ptr++ = cmap[0].g; | |
913 | *ptr++ = cmap[0].b; | |
914 | } | |
915 | ptr = data; | |
01111366 RR |
916 | } |
917 | line = 0; | |
918 | column = 0; | |
919 | #define poffset (line * width * 3 + column * 3) | |
920 | ||
921 | /* | |
922 | * BMPs are stored upside down... hmmmmmmmmmm.... | |
923 | */ | |
924 | ||
925 | linesize = ((width * bpp + 31) / 32) * 4; | |
926 | for (line = (height - 1); line >= 0; line--) | |
927 | { | |
4698648f VZ |
928 | linepos = 0; |
929 | for (column = 0; column < width;) | |
930 | { | |
931 | if (bpp < 16) | |
932 | { | |
933 | int index; | |
934 | ||
935 | linepos++; | |
936 | aByte = stream.GetC(); | |
937 | if (bpp == 1) | |
938 | { | |
939 | int bit = 0; | |
940 | ||
941 | for (bit = 0; bit < 8; bit++) | |
942 | { | |
943 | index = ((aByte & (0x80 >> bit)) ? 1 : 0); | |
944 | ptr[poffset] = cmap[index].r; | |
945 | ptr[poffset + 1] = cmap[index].g; | |
946 | ptr[poffset + 2] = cmap[index].b; | |
947 | column++; | |
948 | } | |
949 | } | |
950 | else if (bpp == 4) | |
951 | { | |
952 | if (comp == BI_RLE4) | |
953 | { | |
954 | wxLogError( "can't deal with 4bit encoded yet.\n"); | |
955 | image->Destroy(); | |
956 | free(cmap); | |
957 | return FALSE; | |
958 | } | |
959 | else | |
960 | { | |
961 | int nibble = 0; | |
962 | ||
963 | for (nibble = 0; nibble < 2; nibble++) | |
964 | { | |
965 | index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4)); | |
966 | if (index >= 16) | |
967 | index = 15; | |
968 | ptr[poffset] = cmap[index].r; | |
969 | ptr[poffset + 1] = cmap[index].g; | |
970 | ptr[poffset + 2] = cmap[index].b; | |
971 | column++; | |
972 | } | |
973 | } | |
974 | } | |
975 | else if (bpp == 8) | |
976 | { | |
977 | if (comp == BI_RLE8) | |
978 | { | |
979 | unsigned char first; | |
980 | ||
981 | first = aByte; | |
982 | aByte = stream.GetC(); | |
983 | if (first == 0) | |
984 | { | |
985 | if (aByte == 0) | |
986 | { | |
01111366 | 987 | /* column = width; */ |
4698648f VZ |
988 | } |
989 | else if (aByte == 1) | |
990 | { | |
991 | column = width; | |
992 | line = -1; | |
993 | } | |
994 | else if (aByte == 2) | |
995 | { | |
996 | aByte = stream.GetC(); | |
997 | column += aByte; | |
998 | linepos = column * bpp / 8; | |
999 | aByte = stream.GetC(); | |
1000 | line += aByte; | |
1001 | } | |
1002 | else | |
1003 | { | |
1004 | int absolute = aByte; | |
1005 | ||
1006 | for (i = 0; i < absolute; i++) | |
1007 | { | |
1008 | linepos++; | |
1009 | aByte = stream.GetC(); | |
1010 | ptr[poffset] = cmap[aByte].r; | |
1011 | ptr[poffset + 1] = cmap[aByte].g; | |
1012 | ptr[poffset + 2] = cmap[aByte].b; | |
1013 | column++; | |
1014 | } | |
1015 | if (absolute & 0x01) | |
1016 | aByte = stream.GetC(); | |
1017 | } | |
1018 | } | |
1019 | else | |
1020 | { | |
1021 | for (i = 0; i < first; i++) | |
1022 | { | |
1023 | ptr[poffset] = cmap[aByte].r; | |
1024 | ptr[poffset + 1] = cmap[aByte].g; | |
1025 | ptr[poffset + 2] = cmap[aByte].b; | |
1026 | column++; | |
1027 | linepos++; | |
1028 | } | |
1029 | } | |
1030 | } | |
1031 | else | |
1032 | { | |
1033 | ptr[poffset] = cmap[aByte].r; | |
1034 | ptr[poffset + 1] = cmap[aByte].g; | |
1035 | ptr[poffset + 2] = cmap[aByte].b; | |
1036 | column++; | |
1037 | linepos += size; | |
1038 | } | |
1039 | } | |
1040 | } | |
1041 | else if (bpp == 24) | |
1042 | { | |
1043 | stream.Read(&bbuf, 3); | |
1044 | linepos += 3; | |
1045 | ptr[poffset] = (unsigned char)bbuf[2]; | |
1046 | ptr[poffset + 1] = (unsigned char)bbuf[1]; | |
1047 | ptr[poffset + 2] = (unsigned char)bbuf[0]; | |
1048 | column++; | |
1049 | } | |
1050 | else if (bpp == 16) | |
1051 | { | |
1052 | unsigned char temp; | |
1053 | ||
1054 | stream.Read(&word, 2); | |
1055 | linepos += 2; | |
1056 | temp = (word & rmask) >> rshift; | |
1057 | ptr[poffset] = temp; | |
1058 | temp = (word & gmask) >> gshift; | |
1059 | ptr[poffset + 1] = temp; | |
1060 | temp = (word & bmask) >> gshift; | |
1061 | ptr[poffset + 2] = temp; | |
1062 | column++; | |
1063 | } | |
1064 | else | |
1065 | { | |
1066 | unsigned char temp; | |
1067 | ||
1068 | stream.Read(&dword, 4); | |
1069 | linepos += 4; | |
1070 | temp = (dword & rmask) >> rshift; | |
1071 | ptr[poffset] = temp; | |
1072 | temp = (dword & gmask) >> gshift; | |
1073 | ptr[poffset + 1] = temp; | |
1074 | temp = (dword & bmask) >> bshift; | |
1075 | ptr[poffset + 2] = temp; | |
1076 | column++; | |
1077 | } | |
1078 | } | |
1079 | while ((linepos < linesize) && (comp != 1) && (comp != 2)) | |
1080 | { | |
1081 | stream.Read(&aByte, 1); | |
1082 | linepos += 1; | |
1083 | if (stream.LastError() != wxStream_NOERROR) | |
1084 | break; | |
1085 | } | |
01111366 RR |
1086 | } |
1087 | if (cmap) free(cmap); | |
4698648f | 1088 | |
01111366 | 1089 | image->SetMask( FALSE ); |
4698648f | 1090 | |
01111366 RR |
1091 | return TRUE; |
1092 | } | |
1093 | ||
e3554471 JS |
1094 | #ifdef __WXMSW__ |
1095 | ||
1096 | wxBitmap wxImage::ConvertToBitmap() const | |
1097 | { | |
4698648f | 1098 | |
e3554471 JS |
1099 | wxBitmap bitmap; |
1100 | wxCHECK_MSG( Ok(), bitmap, "invalid image" ); | |
1101 | int width = GetWidth(); | |
1102 | int height = GetHeight(); | |
1103 | bitmap.SetWidth( width ); | |
1104 | bitmap.SetHeight( height ); | |
1105 | bitmap.SetDepth( wxDisplayDepth() ); | |
1106 | ||
1107 | int headersize = sizeof(BITMAPINFOHEADER); | |
1108 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
1109 | wxCHECK_MSG( lpDIBh, bitmap, "could not allocate memory for DIB header" ); | |
1110 | ||
1111 | // Fill in the DIB header | |
1112 | lpDIBh->bmiHeader.biSize = headersize; | |
1113 | lpDIBh->bmiHeader.biWidth = width; | |
1114 | lpDIBh->bmiHeader.biHeight = -height; | |
1115 | lpDIBh->bmiHeader.biSizeImage = width * height * 3; | |
1116 | ||
1117 | lpDIBh->bmiHeader.biPlanes = 1; | |
1118 | lpDIBh->bmiHeader.biBitCount = 24; | |
1119 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
1120 | lpDIBh->bmiHeader.biClrUsed = 0; | |
1121 | ||
1122 | // These seem not needed for our purpose here. | |
1123 | // lpDIBh->bmiHeader.biClrImportant = 0; | |
1124 | // lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
1125 | // lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
1126 | ||
1127 | unsigned char *lpBits = (unsigned char *) malloc( width*height*3 ); | |
1128 | if( !lpBits ) | |
1129 | { | |
1130 | wxFAIL_MSG( "could not allocate memory for DIB" ); | |
1131 | free( lpDIBh ); | |
1132 | return bitmap; | |
1133 | } | |
1134 | ||
1135 | unsigned char *data = GetData(); | |
1136 | ||
1137 | unsigned char *ptdata = data, *ptbits = lpBits; | |
1138 | for( int i=0; i<width*height; i++ ) | |
1139 | { | |
1140 | *(ptbits++) = *(ptdata+2); | |
1141 | *(ptbits++) = *(ptdata+1); | |
1142 | *(ptbits++) = *(ptdata ); | |
1143 | ptdata += 3; | |
1144 | } | |
4698648f | 1145 | |
e3554471 JS |
1146 | HDC hdc = ::GetDC(NULL); |
1147 | ||
1148 | HBITMAP hbitmap; | |
1149 | hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
4698648f | 1150 | |
e3554471 JS |
1151 | // The above line is equivalent to the following two lines. |
1152 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
1153 | // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); | |
1154 | // or the following lines | |
1155 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); | |
1156 | // HDC memdc = ::CreateCompatibleDC( hdc ); | |
4698648f | 1157 | // ::SelectObject( memdc, hbitmap); |
e3554471 | 1158 | // ::SetDIBitsToDevice( memdc, 0, 0, width, height, |
4698648f VZ |
1159 | // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); |
1160 | // ::SelectObject( memdc, 0 ); | |
1161 | // ::DeleteDC( memdc ); | |
e3554471 JS |
1162 | |
1163 | bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); | |
1164 | ||
1165 | if( HasMask() ) | |
1166 | { | |
1167 | unsigned char r = GetMaskRed(); | |
1168 | unsigned char g = GetMaskGreen(); | |
1169 | unsigned char b = GetMaskBlue(); | |
1170 | unsigned char zero = 0, one = 255; | |
1171 | ptdata = data; | |
1172 | ptbits = lpBits; | |
1173 | for( int i=0; i<width*height; i++ ) | |
1174 | { | |
1175 | if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) ) | |
e3554471 JS |
1176 | { |
1177 | *(ptbits++) = one; | |
1178 | *(ptbits++) = one; | |
1179 | *(ptbits++) = one; | |
1180 | } | |
650368d0 UA |
1181 | else |
1182 | { | |
1183 | *(ptbits++) = zero; | |
1184 | *(ptbits++) = zero; | |
1185 | *(ptbits++) = zero; | |
1186 | } | |
e3554471 JS |
1187 | } |
1188 | hbitmap = ::CreateBitmap( (WORD)width, (WORD)height, 1, 1, NULL ); | |
1189 | ::SetDIBits( hdc, hbitmap, 0, (WORD)height, lpBits, lpDIBh, DIB_RGB_COLORS); | |
650368d0 UA |
1190 | wxMask *mask = new wxMask(); |
1191 | mask->SetMaskBitmap( (WXHBITMAP) hbitmap ); | |
1192 | bitmap.SetMask( mask ); | |
e3554471 JS |
1193 | |
1194 | /* The following can also be used but is slow to run | |
1195 | wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue()); | |
650368d0 UA |
1196 | wxMask *mask = new wxMask( bitmap, colour ); |
1197 | bitmap.SetMask( mask ); | |
e3554471 JS |
1198 | */ |
1199 | } | |
1200 | ||
4698648f | 1201 | ::ReleaseDC(NULL, hdc); |
e3554471 JS |
1202 | free(lpDIBh); |
1203 | free(lpBits); | |
1204 | ||
1205 | if( bitmap.GetHBITMAP() ) | |
1206 | bitmap.SetOk( TRUE ); | |
1207 | else | |
1208 | bitmap.SetOk( FALSE ); | |
4698648f | 1209 | |
e3554471 JS |
1210 | return bitmap; |
1211 | } | |
1212 | ||
1213 | ||
1214 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1215 | { | |
1216 | if( !bitmap.Ok() ) | |
1217 | { | |
1218 | wxFAIL_MSG( "invalid bitmap" ); | |
1219 | return; | |
1220 | } | |
1221 | ||
1222 | int width = bitmap.GetWidth(); | |
1223 | int height = bitmap.GetHeight(); | |
4698648f | 1224 | Create( width, height ); |
e3554471 JS |
1225 | unsigned char *data = GetData(); |
1226 | if( !data ) | |
1227 | { | |
1228 | wxFAIL_MSG( "could not allocate data for image" ); | |
1229 | return; | |
1230 | } | |
4698648f | 1231 | |
e3554471 JS |
1232 | int headersize = sizeof(BITMAPINFOHEADER); |
1233 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); | |
1234 | if( !lpDIBh ) | |
1235 | { | |
1236 | wxFAIL_MSG( "could not allocate data for DIB header" ); | |
1237 | free( data ); | |
1238 | return; | |
1239 | } | |
1240 | ||
1241 | // Fill in the DIB header | |
1242 | lpDIBh->bmiHeader.biSize = headersize; | |
1243 | lpDIBh->bmiHeader.biWidth = width; | |
1244 | lpDIBh->bmiHeader.biHeight = -height; | |
1245 | lpDIBh->bmiHeader.biSizeImage = width * height * 3; | |
1246 | ||
1247 | lpDIBh->bmiHeader.biPlanes = 1; | |
1248 | lpDIBh->bmiHeader.biBitCount = 24; | |
1249 | lpDIBh->bmiHeader.biCompression = BI_RGB; | |
1250 | lpDIBh->bmiHeader.biClrUsed = 0; | |
1251 | ||
1252 | // These seem not needed for our purpose here. | |
1253 | // lpDIBh->bmiHeader.biClrImportant = 0; | |
1254 | // lpDIBh->bmiHeader.biXPelsPerMeter = 0; | |
1255 | // lpDIBh->bmiHeader.biYPelsPerMeter = 0; | |
1256 | ||
1257 | unsigned char *lpBits = (unsigned char *) malloc( width*height*3 ); | |
1258 | if( !lpBits ) | |
1259 | { | |
1260 | wxFAIL_MSG( "could not allocate data for DIB" ); | |
1261 | free( data ); | |
1262 | free( lpDIBh ); | |
1263 | return; | |
1264 | } | |
4698648f | 1265 | |
e3554471 JS |
1266 | HBITMAP hbitmap; |
1267 | hbitmap = (HBITMAP) bitmap.GetHBITMAP(); | |
1268 | HDC hdc = ::GetDC(NULL); | |
1269 | ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
4698648f | 1270 | |
e3554471 JS |
1271 | unsigned char *ptdata = data, *ptbits = lpBits; |
1272 | for( int i=0; i<width*height; i++ ) | |
1273 | { | |
1274 | *(ptdata++) = *(ptbits+2); | |
1275 | *(ptdata++) = *(ptbits+1); | |
1276 | *(ptdata++) = *(ptbits ); | |
1277 | ptbits += 3; | |
4698648f VZ |
1278 | } |
1279 | ||
e3554471 JS |
1280 | if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() ) |
1281 | { | |
1282 | hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); | |
1283 | HDC memdc = ::CreateCompatibleDC( hdc ); | |
1284 | ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); | |
1285 | ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); | |
1286 | ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); | |
4698648f | 1287 | ::DeleteDC( memdc ); |
e3554471 JS |
1288 | unsigned char r=16, g=16, b=16; // background set to RGB(16,16,16) |
1289 | ptdata = data; | |
1290 | ptbits = lpBits; | |
1291 | for( int i=0; i<width*height; i++ ) | |
1292 | { | |
1293 | if( *ptbits != 0 ) | |
1294 | { | |
1295 | *(ptdata++) = r; | |
1296 | *(ptdata++) = g; | |
1297 | *(ptdata++) = b; | |
1298 | } | |
1299 | ptbits += 3; | |
4698648f | 1300 | } |
e3554471 | 1301 | SetMaskColour( r, g, b ); |
4698648f VZ |
1302 | } |
1303 | ||
1304 | ::ReleaseDC(NULL, hdc); | |
e3554471 JS |
1305 | free(lpDIBh); |
1306 | free(lpBits); | |
1307 | } | |
1308 | ||
1309 | #endif | |
1310 | ||
99c67c77 RR |
1311 | #ifdef __WXGTK__ |
1312 | ||
83624f79 RR |
1313 | #include "gtk/gtk.h" |
1314 | #include "gdk/gdk.h" | |
1315 | #include "gdk/gdkx.h" | |
1316 | ||
99c67c77 RR |
1317 | wxBitmap wxImage::ConvertToBitmap() const |
1318 | { | |
1319 | wxBitmap bitmap; | |
1320 | ||
1321 | wxCHECK_MSG( Ok(), bitmap, "invalid image" ); | |
1322 | ||
1323 | int width = GetWidth(); | |
1324 | int height = GetHeight(); | |
1325 | ||
1326 | bitmap.SetHeight( height ); | |
1327 | bitmap.SetWidth( width ); | |
1328 | ||
1329 | // Create picture | |
1330 | ||
1331 | GdkImage *data_image = | |
1332 | gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); | |
1333 | ||
1334 | bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); | |
1335 | ||
1336 | // Create mask | |
1337 | ||
1338 | GdkImage *mask_image = (GdkImage*) NULL; | |
1339 | ||
1340 | if (HasMask()) | |
1341 | { | |
1342 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
1343 | ||
1344 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); | |
1345 | ||
4698648f VZ |
1346 | wxMask *mask = new wxMask(); |
1347 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
99c67c77 | 1348 | |
4698648f | 1349 | bitmap.SetMask( mask ); |
99c67c77 RR |
1350 | } |
1351 | ||
1352 | // Retrieve depth | |
1353 | ||
1354 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); | |
1355 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
1356 | int bpp = visual->depth; | |
4698648f | 1357 | |
06cfab17 | 1358 | bitmap.SetDepth( bpp ); |
4698648f | 1359 | |
99c67c77 RR |
1360 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; |
1361 | if (bpp < 8) bpp = 8; | |
1362 | ||
1363 | // Render | |
1364 | ||
1365 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; | |
1366 | byte_order b_o = RGB; | |
1367 | ||
1368 | if (bpp >= 24) | |
1369 | { | |
1370 | GdkVisual *visual = gdk_visual_get_system(); | |
1371 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; | |
1372 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB; | |
1373 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; | |
1374 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; | |
1375 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; | |
1376 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; | |
1377 | } | |
1378 | ||
1379 | int r_mask = GetMaskRed(); | |
1380 | int g_mask = GetMaskGreen(); | |
1381 | int b_mask = GetMaskBlue(); | |
1382 | ||
1383 | unsigned char* data = GetData(); | |
1384 | ||
1385 | int index = 0; | |
1386 | for (int y = 0; y < height; y++) | |
1387 | { | |
1388 | for (int x = 0; x < width; x++) | |
1389 | { | |
1390 | int r = data[index]; | |
4698648f | 1391 | index++; |
99c67c77 | 1392 | int g = data[index]; |
4698648f | 1393 | index++; |
99c67c77 | 1394 | int b = data[index]; |
4698648f VZ |
1395 | index++; |
1396 | ||
1397 | if (HasMask()) | |
1398 | { | |
1399 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1400 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1401 | else | |
1402 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1403 | } | |
1404 | ||
1405 | if (HasMask()) | |
1406 | { | |
1407 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1408 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1409 | else | |
1410 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1411 | } | |
1412 | ||
1413 | switch (bpp) | |
1414 | { | |
1415 | case 8: | |
1416 | { | |
f6fcbb63 | 1417 | int pixel = -1; |
4698648f VZ |
1418 | if (wxTheApp->m_colorCube) |
1419 | { | |
38274997 | 1420 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
4698648f | 1421 | } |
f6fcbb63 | 1422 | else |
4698648f VZ |
1423 | { |
1424 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
f6fcbb63 RR |
1425 | GdkColor *colors = cmap->colors; |
1426 | int max = 3 * (65536); | |
1427 | ||
1428 | for (int i = 0; i < cmap->size; i++) | |
1429 | { | |
1430 | int rdiff = (r << 8) - colors[i].red; | |
1431 | int gdiff = (g << 8) - colors[i].green; | |
1432 | int bdiff = (b << 8) - colors[i].blue; | |
1433 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); | |
1434 | if (sum < max) { pixel = i; max = sum; } | |
4698648f | 1435 | } |
99c67c77 RR |
1436 | } |
1437 | ||
4698648f VZ |
1438 | gdk_image_put_pixel( data_image, x, y, pixel ); |
1439 | ||
1440 | break; | |
1441 | } | |
1442 | case 15: | |
1443 | { | |
1444 | guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1445 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1446 | break; | |
1447 | } | |
1448 | case 16: | |
1449 | { | |
1450 | guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1451 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1452 | break; | |
1453 | } | |
1454 | case 32: | |
1455 | case 24: | |
1456 | { | |
1457 | guint32 pixel = 0; | |
1458 | switch (b_o) | |
1459 | { | |
1460 | case RGB: pixel = (r << 16) | (g << 8) | b; break; | |
1461 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1462 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1463 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1464 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1465 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
1466 | } | |
1467 | gdk_image_put_pixel( data_image, x, y, pixel ); | |
1468 | } | |
1469 | default: break; | |
1470 | } | |
99c67c77 RR |
1471 | } // for |
1472 | } // for | |
1473 | ||
1474 | // Blit picture | |
1475 | ||
1476 | GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() ); | |
1477 | ||
1478 | gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); | |
1479 | ||
1480 | gdk_image_destroy( data_image ); | |
1481 | gdk_gc_unref( data_gc ); | |
1482 | ||
1483 | // Blit mask | |
1484 | ||
1485 | if (HasMask()) | |
1486 | { | |
1487 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
1488 | ||
1489 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); | |
1490 | ||
1491 | gdk_image_destroy( mask_image ); | |
1492 | gdk_gc_unref( mask_gc ); | |
1493 | } | |
1494 | ||
1495 | return bitmap; | |
1496 | } | |
1497 | ||
1498 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1499 | { | |
1500 | wxCHECK_RET( bitmap.Ok(), "invalid bitmap" ); | |
1501 | ||
1502 | GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(), | |
1503 | 0, 0, | |
4698648f | 1504 | bitmap.GetWidth(), bitmap.GetHeight() ); |
99c67c77 RR |
1505 | |
1506 | wxCHECK_RET( gdk_image, "couldn't create image" ); | |
1507 | ||
1508 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); | |
1509 | char unsigned *data = GetData(); | |
1510 | ||
1511 | if (!data) | |
1512 | { | |
1513 | gdk_image_destroy( gdk_image ); | |
1514 | wxFAIL_MSG( "couldn't create image" ); | |
4698648f | 1515 | return; |
99c67c77 RR |
1516 | } |
1517 | ||
1518 | GdkImage *gdk_image_mask = (GdkImage*) NULL; | |
1519 | if (bitmap.GetMask()) | |
1520 | { | |
1521 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), | |
4698648f VZ |
1522 | 0, 0, |
1523 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
99c67c77 | 1524 | |
4698648f | 1525 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
99c67c77 RR |
1526 | } |
1527 | ||
1528 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); | |
1529 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); | |
1530 | int bpp = visual->depth; | |
1531 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; | |
1532 | ||
1533 | GdkColormap *cmap = gtk_widget_get_default_colormap(); | |
1534 | ||
1535 | long pos = 0; | |
1536 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1537 | { | |
1538 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1539 | { | |
1540 | int pixel = gdk_image_get_pixel( gdk_image, i, j ); | |
1541 | if (bpp <= 8) | |
1542 | { | |
1543 | data[pos] = cmap->colors[pixel].red >> 8; | |
1544 | data[pos+1] = cmap->colors[pixel].green >> 8; | |
1545 | data[pos+2] = cmap->colors[pixel].blue >> 8; | |
1546 | } else if (bpp == 15) | |
1547 | { | |
1548 | data[pos] = (pixel >> 7) & 0xf8; | |
1549 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1550 | data[pos+2] = (pixel << 3) & 0xf8; | |
1551 | } else if (bpp == 16) | |
1552 | { | |
1553 | data[pos] = (pixel >> 8) & 0xf8; | |
1554 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1555 | data[pos+2] = (pixel << 3) & 0xf8; | |
1556 | } else | |
1557 | { | |
1558 | data[pos] = (pixel >> 16) & 0xff; | |
1559 | data[pos+1] = (pixel >> 8) & 0xff; | |
1560 | data[pos+2] = pixel & 0xff; | |
1561 | } | |
1562 | ||
4698648f VZ |
1563 | if (gdk_image_mask) |
1564 | { | |
1565 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1566 | if (mask_pixel == 0) | |
1567 | { | |
99c67c77 RR |
1568 | data[pos] = 16; |
1569 | data[pos+1] = 16; | |
1570 | data[pos+2] = 16; | |
4698648f VZ |
1571 | } |
1572 | } | |
99c67c77 RR |
1573 | |
1574 | pos += 3; | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | gdk_image_destroy( gdk_image ); | |
1579 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1580 | } | |
1581 | ||
1582 | #endif | |
ee4c6942 JS |
1583 | |
1584 | // TODO | |
1585 | ||
1586 | #ifdef __WXMOTIF__ | |
b75867a6 RR |
1587 | |
1588 | #include <Xm/Xm.h> | |
1589 | #include "wx/utils.h" | |
38274997 | 1590 | #include <math.h> |
b75867a6 | 1591 | |
ee4c6942 JS |
1592 | wxBitmap wxImage::ConvertToBitmap() const |
1593 | { | |
b75867a6 RR |
1594 | wxBitmap bitmap; |
1595 | ||
1596 | wxCHECK_MSG( Ok(), bitmap, "invalid image" ); | |
1597 | ||
1598 | int width = GetWidth(); | |
1599 | int height = GetHeight(); | |
1600 | ||
1601 | bitmap.SetHeight( height ); | |
1602 | bitmap.SetWidth( width ); | |
1603 | ||
1604 | Display *dpy = (Display*) wxGetDisplay(); | |
1605 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1606 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
1607 | ||
1608 | // Create image | |
1609 | ||
1610 | XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); | |
1611 | data_image->data = new char[ data_image->bytes_per_line * data_image->height ]; | |
1612 | ||
1613 | bitmap.Create( width, height, bpp ); | |
1614 | ||
1615 | /* | |
1616 | // Create mask | |
1617 | ||
1618 | GdkImage *mask_image = (GdkImage*) NULL; | |
1619 | ||
1620 | if (HasMask()) | |
1621 | { | |
1622 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); | |
1623 | ||
1624 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); | |
1625 | ||
1626 | wxMask *mask = new wxMask(); | |
1627 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); | |
1628 | ||
1629 | bitmap.SetMask( mask ); | |
1630 | } | |
1631 | */ | |
1632 | ||
b75867a6 RR |
1633 | // Retrieve depth info |
1634 | ||
1635 | XVisualInfo vinfo_template; | |
1636 | XVisualInfo *vi; | |
1637 | ||
1638 | vinfo_template.visual = vis; | |
1639 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1640 | vinfo_template.depth = bpp; | |
1641 | int nitem = 0; | |
1642 | ||
1643 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); | |
1644 | ||
1645 | if (!vi) | |
1646 | { | |
1647 | printf("no visual.\n" ); | |
1648 | return wxNullBitmap; | |
1649 | } | |
1650 | ||
38274997 RR |
1651 | XFree( vi ); |
1652 | ||
b75867a6 RR |
1653 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
1654 | if (bpp < 8) bpp = 8; | |
1655 | ||
1656 | // Render | |
1657 | ||
1658 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; | |
1659 | byte_order b_o = RGB; | |
1660 | ||
1661 | if (bpp >= 24) | |
1662 | { | |
1663 | if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; | |
1664 | else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; | |
1665 | else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; | |
1666 | else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; | |
1667 | else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB; | |
1668 | else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR; | |
1669 | } | |
1670 | ||
1671 | /* | |
1672 | int r_mask = GetMaskRed(); | |
1673 | int g_mask = GetMaskGreen(); | |
1674 | int b_mask = GetMaskBlue(); | |
1675 | */ | |
1676 | ||
38274997 RR |
1677 | XColor colors[256]; |
1678 | if (bpp == 8) | |
1679 | { | |
1680 | Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); | |
1681 | ||
1682 | for (int i = 0; i < 256; i++) colors[i].pixel = i; | |
1683 | XQueryColors( dpy, cmap, colors, 256 ); | |
1684 | } | |
1685 | ||
b75867a6 RR |
1686 | unsigned char* data = GetData(); |
1687 | ||
1688 | int index = 0; | |
1689 | for (int y = 0; y < height; y++) | |
1690 | { | |
1691 | for (int x = 0; x < width; x++) | |
1692 | { | |
1693 | int r = data[index]; | |
1694 | index++; | |
1695 | int g = data[index]; | |
1696 | index++; | |
1697 | int b = data[index]; | |
1698 | index++; | |
1699 | ||
1700 | /* | |
1701 | if (HasMask()) | |
1702 | { | |
1703 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) | |
1704 | gdk_image_put_pixel( mask_image, x, y, 1 ); | |
1705 | else | |
1706 | gdk_image_put_pixel( mask_image, x, y, 0 ); | |
1707 | } | |
1708 | */ | |
1709 | ||
1710 | switch (bpp) | |
1711 | { | |
1712 | case 8: | |
1713 | { | |
b75867a6 | 1714 | int pixel = -1; |
38274997 | 1715 | /* |
b75867a6 RR |
1716 | if (wxTheApp->m_colorCube) |
1717 | { | |
1718 | pixel = wxTheApp->m_colorCube | |
1719 | [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; | |
1720 | } | |
1721 | else | |
1722 | { | |
38274997 | 1723 | */ |
b75867a6 | 1724 | int max = 3 * (65536); |
38274997 | 1725 | for (int i = 0; i < 256; i++) |
b75867a6 RR |
1726 | { |
1727 | int rdiff = (r << 8) - colors[i].red; | |
1728 | int gdiff = (g << 8) - colors[i].green; | |
1729 | int bdiff = (b << 8) - colors[i].blue; | |
38274997 | 1730 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); |
b75867a6 RR |
1731 | if (sum < max) { pixel = i; max = sum; } |
1732 | } | |
38274997 RR |
1733 | /* |
1734 | } | |
b75867a6 | 1735 | */ |
38274997 | 1736 | XPutPixel( data_image, x, y, pixel ); |
b75867a6 RR |
1737 | break; |
1738 | } | |
1739 | case 15: | |
1740 | { | |
1741 | int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); | |
1742 | XPutPixel( data_image, x, y, pixel ); | |
1743 | break; | |
1744 | } | |
1745 | case 16: | |
1746 | { | |
1747 | int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); | |
1748 | XPutPixel( data_image, x, y, pixel ); | |
1749 | break; | |
1750 | } | |
1751 | case 32: | |
1752 | case 24: | |
1753 | { | |
1754 | int pixel = 0; | |
1755 | switch (b_o) | |
1756 | { | |
1757 | case RGB: pixel = (r << 16) | (g << 8) | b; break; | |
1758 | case RBG: pixel = (r << 16) | (b << 8) | g; break; | |
1759 | case BRG: pixel = (b << 16) | (r << 8) | g; break; | |
1760 | case BGR: pixel = (b << 16) | (g << 8) | r; break; | |
1761 | case GRB: pixel = (g << 16) | (r << 8) | b; break; | |
1762 | case GBR: pixel = (g << 16) | (b << 8) | r; break; | |
1763 | } | |
1764 | XPutPixel( data_image, x, y, pixel ); | |
1765 | } | |
1766 | default: break; | |
1767 | } | |
1768 | } // for | |
1769 | } // for | |
1770 | ||
1771 | // Blit picture | |
1772 | ||
1773 | XGCValues gcvalues; | |
1774 | gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); | |
1775 | GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); | |
1776 | XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); | |
1777 | ||
1778 | XDestroyImage( data_image ); | |
1779 | XFreeGC( dpy, gc ); | |
1780 | ||
1781 | /* | |
1782 | // Blit mask | |
1783 | ||
1784 | if (HasMask()) | |
1785 | { | |
1786 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); | |
1787 | ||
1788 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); | |
1789 | ||
1790 | gdk_image_destroy( mask_image ); | |
1791 | gdk_gc_unref( mask_gc ); | |
1792 | } | |
1793 | */ | |
1794 | ||
1795 | return bitmap; | |
ee4c6942 JS |
1796 | } |
1797 | ||
1798 | wxImage::wxImage( const wxBitmap &bitmap ) | |
1799 | { | |
38274997 RR |
1800 | wxCHECK_RET( bitmap.Ok(), "invalid bitmap" ); |
1801 | ||
1802 | Display *dpy = (Display*) wxGetDisplay(); | |
1803 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); | |
1804 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); | |
1805 | ||
1806 | XImage *ximage = XGetImage( dpy, | |
1807 | (Drawable)bitmap.GetPixmap(), | |
1808 | 0, 0, | |
1809 | bitmap.GetWidth(), bitmap.GetHeight(), | |
1810 | AllPlanes, ZPixmap ); | |
1811 | ||
1812 | wxCHECK_RET( ximage, "couldn't create image" ); | |
1813 | ||
1814 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); | |
1815 | char unsigned *data = GetData(); | |
1816 | ||
1817 | if (!data) | |
1818 | { | |
1819 | XDestroyImage( ximage ); | |
1820 | wxFAIL_MSG( "couldn't create image" ); | |
1821 | return; | |
1822 | } | |
1823 | ||
1824 | /* | |
1825 | GdkImage *gdk_image_mask = (GdkImage*) NULL; | |
1826 | if (bitmap.GetMask()) | |
1827 | { | |
1828 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), | |
1829 | 0, 0, | |
1830 | bitmap.GetWidth(), bitmap.GetHeight() ); | |
1831 | ||
1832 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable | |
1833 | } | |
1834 | */ | |
1835 | ||
1836 | // Retrieve depth info | |
1837 | ||
1838 | XVisualInfo vinfo_template; | |
1839 | XVisualInfo *vi; | |
1840 | ||
1841 | vinfo_template.visual = vis; | |
1842 | vinfo_template.visualid = XVisualIDFromVisual( vis ); | |
1843 | vinfo_template.depth = bpp; | |
1844 | int nitem = 0; | |
1845 | ||
1846 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); | |
1847 | ||
1848 | if (!vi) | |
1849 | { | |
1850 | printf("no visual.\n" ); | |
1851 | return; | |
1852 | } | |
1853 | ||
1854 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; | |
1855 | ||
1856 | XFree( vi ); | |
1857 | ||
1858 | XColor colors[256]; | |
1859 | if (bpp == 8) | |
1860 | { | |
1861 | Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); | |
1862 | ||
1863 | for (int i = 0; i < 256; i++) colors[i].pixel = i; | |
1864 | XQueryColors( dpy, cmap, colors, 256 ); | |
1865 | } | |
1866 | ||
1867 | long pos = 0; | |
1868 | for (int j = 0; j < bitmap.GetHeight(); j++) | |
1869 | { | |
1870 | for (int i = 0; i < bitmap.GetWidth(); i++) | |
1871 | { | |
1872 | int pixel = XGetPixel( ximage, i, j ); | |
1873 | if (bpp <= 8) | |
1874 | { | |
1875 | data[pos] = colors[pixel].red >> 8; | |
1876 | data[pos+1] = colors[pixel].green >> 8; | |
1877 | data[pos+2] = colors[pixel].blue >> 8; | |
1878 | } else if (bpp == 15) | |
1879 | { | |
1880 | data[pos] = (pixel >> 7) & 0xf8; | |
1881 | data[pos+1] = (pixel >> 2) & 0xf8; | |
1882 | data[pos+2] = (pixel << 3) & 0xf8; | |
1883 | } else if (bpp == 16) | |
1884 | { | |
1885 | data[pos] = (pixel >> 8) & 0xf8; | |
1886 | data[pos+1] = (pixel >> 3) & 0xfc; | |
1887 | data[pos+2] = (pixel << 3) & 0xf8; | |
1888 | } else | |
1889 | { | |
1890 | data[pos] = (pixel >> 16) & 0xff; | |
1891 | data[pos+1] = (pixel >> 8) & 0xff; | |
1892 | data[pos+2] = pixel & 0xff; | |
1893 | } | |
1894 | ||
1895 | /* | |
1896 | if (gdk_image_mask) | |
1897 | { | |
1898 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); | |
1899 | if (mask_pixel == 0) | |
1900 | { | |
1901 | data[pos] = 16; | |
1902 | data[pos+1] = 16; | |
1903 | data[pos+2] = 16; | |
1904 | } | |
1905 | } | |
1906 | */ | |
1907 | ||
1908 | pos += 3; | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | XDestroyImage( ximage ); | |
1913 | /* | |
1914 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); | |
1915 | */ | |
ee4c6942 JS |
1916 | } |
1917 | #endif |