| 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 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #ifdef __BORLANDC__ |
| 18 | #pragma hdrstop |
| 19 | #endif |
| 20 | |
| 21 | #include "wx/image.h" |
| 22 | #include "wx/bitmap.h" |
| 23 | #include "wx/debug.h" |
| 24 | #include "wx/log.h" |
| 25 | #include "wx/app.h" |
| 26 | #include "wx/filefn.h" |
| 27 | #include "wx/wfstream.h" |
| 28 | #include "wx/intl.h" |
| 29 | #include "wx/module.h" |
| 30 | |
| 31 | // For memcpy |
| 32 | #include <string.h> |
| 33 | |
| 34 | #ifdef __SALFORDC__ |
| 35 | #undef FAR |
| 36 | #endif |
| 37 | |
| 38 | #ifdef __WXMSW__ |
| 39 | #include "wx/msw/private.h" |
| 40 | #endif |
| 41 | |
| 42 | //----------------------------------------------------------------------------- |
| 43 | // wxImage |
| 44 | //----------------------------------------------------------------------------- |
| 45 | |
| 46 | class wxImageRefData: public wxObjectRefData |
| 47 | { |
| 48 | |
| 49 | public: |
| 50 | wxImageRefData(); |
| 51 | ~wxImageRefData(); |
| 52 | |
| 53 | int m_width; |
| 54 | int m_height; |
| 55 | unsigned char *m_data; |
| 56 | bool m_hasMask; |
| 57 | unsigned char m_maskRed,m_maskGreen,m_maskBlue; |
| 58 | bool m_ok; |
| 59 | }; |
| 60 | |
| 61 | wxImageRefData::wxImageRefData() |
| 62 | { |
| 63 | m_width = 0; |
| 64 | m_height = 0; |
| 65 | m_data = (unsigned char*) NULL; |
| 66 | m_ok = FALSE; |
| 67 | m_maskRed = 0; |
| 68 | m_maskGreen = 0; |
| 69 | m_maskBlue = 0; |
| 70 | m_hasMask = FALSE; |
| 71 | } |
| 72 | |
| 73 | wxImageRefData::~wxImageRefData() |
| 74 | { |
| 75 | if (m_data) free( m_data ); |
| 76 | } |
| 77 | |
| 78 | wxList wxImage::sm_handlers; |
| 79 | |
| 80 | //----------------------------------------------------------------------------- |
| 81 | |
| 82 | #define M_IMGDATA ((wxImageRefData *)m_refData) |
| 83 | |
| 84 | #if !USE_SHARED_LIBRARIES |
| 85 | IMPLEMENT_DYNAMIC_CLASS(wxImage, wxObject) |
| 86 | #endif |
| 87 | |
| 88 | wxImage::wxImage() |
| 89 | { |
| 90 | } |
| 91 | |
| 92 | wxImage::wxImage( int width, int height ) |
| 93 | { |
| 94 | Create( width, height ); |
| 95 | } |
| 96 | |
| 97 | wxImage::wxImage( const wxString& name, long type ) |
| 98 | { |
| 99 | LoadFile( name, type ); |
| 100 | } |
| 101 | |
| 102 | wxImage::wxImage( const wxString& name, const wxString& mimetype ) |
| 103 | { |
| 104 | LoadFile( name, mimetype ); |
| 105 | } |
| 106 | |
| 107 | #if wxUSE_STREAMS |
| 108 | wxImage::wxImage( wxInputStream& stream, long type ) |
| 109 | { |
| 110 | LoadFile( stream, type ); |
| 111 | } |
| 112 | |
| 113 | wxImage::wxImage( wxInputStream& stream, const wxString& mimetype ) |
| 114 | { |
| 115 | LoadFile( stream, mimetype ); |
| 116 | } |
| 117 | #endif // wxUSE_STREAMS |
| 118 | |
| 119 | wxImage::wxImage( const wxImage& image ) |
| 120 | { |
| 121 | Ref(image); |
| 122 | } |
| 123 | |
| 124 | wxImage::wxImage( const wxImage* image ) |
| 125 | { |
| 126 | if (image) Ref(*image); |
| 127 | } |
| 128 | |
| 129 | void wxImage::Create( int width, int height ) |
| 130 | { |
| 131 | m_refData = new wxImageRefData(); |
| 132 | |
| 133 | M_IMGDATA->m_data = (unsigned char *) malloc( width*height*3 ); |
| 134 | if (M_IMGDATA->m_data) |
| 135 | { |
| 136 | for (int l = 0; l < width*height*3; l++) M_IMGDATA->m_data[l] = 0; |
| 137 | |
| 138 | M_IMGDATA->m_width = width; |
| 139 | M_IMGDATA->m_height = height; |
| 140 | M_IMGDATA->m_ok = TRUE; |
| 141 | } |
| 142 | else |
| 143 | { |
| 144 | UnRef(); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | void wxImage::Destroy() |
| 149 | { |
| 150 | UnRef(); |
| 151 | } |
| 152 | |
| 153 | wxImage wxImage::Scale( int width, int height ) const |
| 154 | { |
| 155 | wxImage image; |
| 156 | |
| 157 | wxCHECK_MSG( Ok(), image, wxT("invalid image") ); |
| 158 | |
| 159 | wxCHECK_MSG( (width > 0) && (height > 0), image, wxT("invalid image size") ); |
| 160 | |
| 161 | image.Create( width, height ); |
| 162 | |
| 163 | char unsigned *data = image.GetData(); |
| 164 | |
| 165 | wxCHECK_MSG( data, image, wxT("unable to create image") ); |
| 166 | |
| 167 | if (M_IMGDATA->m_hasMask) |
| 168 | image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); |
| 169 | |
| 170 | long old_height = M_IMGDATA->m_height; |
| 171 | long old_width = M_IMGDATA->m_width; |
| 172 | |
| 173 | char unsigned *source_data = M_IMGDATA->m_data; |
| 174 | char unsigned *target_data = data; |
| 175 | |
| 176 | for (long j = 0; j < height; j++) |
| 177 | { |
| 178 | long y_offset = (j * old_height / height) * old_width; |
| 179 | |
| 180 | for (long i = 0; i < width; i++) |
| 181 | { |
| 182 | memcpy( target_data, |
| 183 | source_data + 3*(y_offset + ((i * old_width )/ width)), |
| 184 | 3 ); |
| 185 | target_data += 3; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | return image; |
| 190 | } |
| 191 | |
| 192 | wxImage wxImage::GetSubImage( const wxRect &rect ) const |
| 193 | { |
| 194 | wxImage image; |
| 195 | |
| 196 | wxCHECK_MSG( Ok(), image, wxT("invalid image") ); |
| 197 | |
| 198 | wxCHECK_MSG( (rect.GetLeft()>=0) && (rect.GetTop()>=0) && (rect.GetRight()<=GetWidth()) && (rect.GetBottom()<=GetHeight()) |
| 199 | , image, wxT("invalid subimage size") ); |
| 200 | |
| 201 | int subwidth=rect.GetWidth(); |
| 202 | const int subheight=rect.GetHeight(); |
| 203 | |
| 204 | image.Create( subwidth, subheight ); |
| 205 | |
| 206 | char unsigned *subdata = image.GetData(), *data=GetData(); |
| 207 | |
| 208 | wxCHECK_MSG( subdata, image, wxT("unable to create image") ); |
| 209 | |
| 210 | if (M_IMGDATA->m_hasMask) |
| 211 | image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); |
| 212 | |
| 213 | const int subleft=3*rect.GetLeft(); |
| 214 | const int width=3*GetWidth(); |
| 215 | subwidth*=3; |
| 216 | |
| 217 | data+=rect.GetTop()*width+subleft; |
| 218 | |
| 219 | for (long j = 0; j < subheight; ++j) |
| 220 | { |
| 221 | memcpy( subdata, data, subwidth); |
| 222 | subdata+=subwidth; |
| 223 | data+=width; |
| 224 | } |
| 225 | |
| 226 | return image; |
| 227 | } |
| 228 | |
| 229 | void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) |
| 230 | { |
| 231 | wxCHECK_RET( Ok(), wxT("invalid image") ); |
| 232 | |
| 233 | int w = M_IMGDATA->m_width; |
| 234 | int h = M_IMGDATA->m_height; |
| 235 | |
| 236 | wxCHECK_RET( (x>=0) && (y>=0) && (x<w) && (y<h), wxT("invalid image index") ); |
| 237 | |
| 238 | long pos = (y * w + x) * 3; |
| 239 | |
| 240 | M_IMGDATA->m_data[ pos ] = r; |
| 241 | M_IMGDATA->m_data[ pos+1 ] = g; |
| 242 | M_IMGDATA->m_data[ pos+2 ] = b; |
| 243 | } |
| 244 | |
| 245 | unsigned char wxImage::GetRed( int x, int y ) |
| 246 | { |
| 247 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 248 | |
| 249 | int w = M_IMGDATA->m_width; |
| 250 | int h = M_IMGDATA->m_height; |
| 251 | |
| 252 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, wxT("invalid image index") ); |
| 253 | |
| 254 | long pos = (y * w + x) * 3; |
| 255 | |
| 256 | return M_IMGDATA->m_data[pos]; |
| 257 | } |
| 258 | |
| 259 | unsigned char wxImage::GetGreen( int x, int y ) |
| 260 | { |
| 261 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 262 | |
| 263 | int w = M_IMGDATA->m_width; |
| 264 | int h = M_IMGDATA->m_height; |
| 265 | |
| 266 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, wxT("invalid image index") ); |
| 267 | |
| 268 | long pos = (y * w + x) * 3; |
| 269 | |
| 270 | return M_IMGDATA->m_data[pos+1]; |
| 271 | } |
| 272 | |
| 273 | unsigned char wxImage::GetBlue( int x, int y ) |
| 274 | { |
| 275 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 276 | |
| 277 | int w = M_IMGDATA->m_width; |
| 278 | int h = M_IMGDATA->m_height; |
| 279 | |
| 280 | wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, wxT("invalid image index") ); |
| 281 | |
| 282 | long pos = (y * w + x) * 3; |
| 283 | |
| 284 | return M_IMGDATA->m_data[pos+2]; |
| 285 | } |
| 286 | |
| 287 | bool wxImage::Ok() const |
| 288 | { |
| 289 | return (M_IMGDATA && M_IMGDATA->m_ok); |
| 290 | } |
| 291 | |
| 292 | char unsigned *wxImage::GetData() const |
| 293 | { |
| 294 | wxCHECK_MSG( Ok(), (char unsigned *)NULL, wxT("invalid image") ); |
| 295 | |
| 296 | return M_IMGDATA->m_data; |
| 297 | } |
| 298 | |
| 299 | void wxImage::SetData( char unsigned *data ) |
| 300 | { |
| 301 | wxCHECK_RET( Ok(), wxT("invalid image") ); |
| 302 | |
| 303 | wxImageRefData *newRefData = new wxImageRefData(); |
| 304 | |
| 305 | newRefData->m_width = M_IMGDATA->m_width; |
| 306 | newRefData->m_height = M_IMGDATA->m_height; |
| 307 | newRefData->m_data = data; |
| 308 | newRefData->m_ok = TRUE; |
| 309 | newRefData->m_maskRed = M_IMGDATA->m_maskRed; |
| 310 | newRefData->m_maskGreen = M_IMGDATA->m_maskGreen; |
| 311 | newRefData->m_maskBlue = M_IMGDATA->m_maskBlue; |
| 312 | newRefData->m_hasMask = M_IMGDATA->m_hasMask; |
| 313 | |
| 314 | UnRef(); |
| 315 | |
| 316 | m_refData = newRefData; |
| 317 | } |
| 318 | |
| 319 | void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) |
| 320 | { |
| 321 | wxCHECK_RET( Ok(), wxT("invalid image") ); |
| 322 | |
| 323 | M_IMGDATA->m_maskRed = r; |
| 324 | M_IMGDATA->m_maskGreen = g; |
| 325 | M_IMGDATA->m_maskBlue = b; |
| 326 | M_IMGDATA->m_hasMask = TRUE; |
| 327 | } |
| 328 | |
| 329 | unsigned char wxImage::GetMaskRed() const |
| 330 | { |
| 331 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 332 | |
| 333 | return M_IMGDATA->m_maskRed; |
| 334 | } |
| 335 | |
| 336 | unsigned char wxImage::GetMaskGreen() const |
| 337 | { |
| 338 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 339 | |
| 340 | return M_IMGDATA->m_maskGreen; |
| 341 | } |
| 342 | |
| 343 | unsigned char wxImage::GetMaskBlue() const |
| 344 | { |
| 345 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 346 | |
| 347 | return M_IMGDATA->m_maskBlue; |
| 348 | } |
| 349 | |
| 350 | void wxImage::SetMask( bool mask ) |
| 351 | { |
| 352 | wxCHECK_RET( Ok(), wxT("invalid image") ); |
| 353 | |
| 354 | M_IMGDATA->m_hasMask = mask; |
| 355 | } |
| 356 | |
| 357 | bool wxImage::HasMask() const |
| 358 | { |
| 359 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid image") ); |
| 360 | |
| 361 | return M_IMGDATA->m_hasMask; |
| 362 | } |
| 363 | |
| 364 | int wxImage::GetWidth() const |
| 365 | { |
| 366 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 367 | |
| 368 | return M_IMGDATA->m_width; |
| 369 | } |
| 370 | |
| 371 | int wxImage::GetHeight() const |
| 372 | { |
| 373 | wxCHECK_MSG( Ok(), 0, wxT("invalid image") ); |
| 374 | |
| 375 | return M_IMGDATA->m_height; |
| 376 | } |
| 377 | |
| 378 | bool wxImage::LoadFile( const wxString& filename, long type ) |
| 379 | { |
| 380 | #if wxUSE_STREAMS |
| 381 | if (wxFileExists(filename)) |
| 382 | { |
| 383 | wxFileInputStream stream(filename); |
| 384 | return LoadFile(stream, type); |
| 385 | } |
| 386 | |
| 387 | else { |
| 388 | wxLogError( wxT("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
| 389 | |
| 390 | return FALSE; |
| 391 | } |
| 392 | #else // !wxUSE_STREAMS |
| 393 | return FALSE; |
| 394 | #endif // wxUSE_STREAMS |
| 395 | } |
| 396 | |
| 397 | bool wxImage::LoadFile( const wxString& filename, const wxString& mimetype ) |
| 398 | { |
| 399 | #if wxUSE_STREAMS |
| 400 | if (wxFileExists(filename)) |
| 401 | { |
| 402 | wxFileInputStream stream(filename); |
| 403 | return LoadFile(stream, mimetype); |
| 404 | } |
| 405 | |
| 406 | else { |
| 407 | wxLogError( wxT("Can't load image from file '%s': file does not exist."), filename.c_str() ); |
| 408 | |
| 409 | return FALSE; |
| 410 | } |
| 411 | #else // !wxUSE_STREAMS |
| 412 | return FALSE; |
| 413 | #endif // wxUSE_STREAMS |
| 414 | } |
| 415 | |
| 416 | bool wxImage::SaveFile( const wxString& filename, int type ) |
| 417 | { |
| 418 | #if wxUSE_STREAMS |
| 419 | wxFileOutputStream stream(filename); |
| 420 | |
| 421 | if ( stream.LastError() == wxStream_NOERROR ) |
| 422 | return SaveFile(stream, type); |
| 423 | else |
| 424 | #endif // wxUSE_STREAMS |
| 425 | return FALSE; |
| 426 | } |
| 427 | |
| 428 | bool wxImage::SaveFile( const wxString& filename, const wxString& mimetype ) |
| 429 | { |
| 430 | #if wxUSE_STREAMS |
| 431 | wxFileOutputStream stream(filename); |
| 432 | |
| 433 | if ( stream.LastError() == wxStream_NOERROR ) |
| 434 | return SaveFile(stream, mimetype); |
| 435 | else |
| 436 | #endif // wxUSE_STREAMS |
| 437 | return FALSE; |
| 438 | } |
| 439 | |
| 440 | bool wxImage::CanRead( const wxString &name ) |
| 441 | { |
| 442 | #if wxUSE_STREAMS |
| 443 | wxFileInputStream stream(name); |
| 444 | return CanRead(stream); |
| 445 | #else |
| 446 | return FALSE; |
| 447 | #endif |
| 448 | } |
| 449 | |
| 450 | #if wxUSE_STREAMS |
| 451 | |
| 452 | bool wxImage::CanRead( wxInputStream &stream ) |
| 453 | { |
| 454 | wxList &list=GetHandlers(); |
| 455 | |
| 456 | for ( wxList::Node *node = list.GetFirst(); node; node = node->GetNext() ) |
| 457 | { |
| 458 | wxImageHandler *handler=(wxImageHandler*)node->GetData(); |
| 459 | if (handler->CanRead( stream )) |
| 460 | return TRUE; |
| 461 | } |
| 462 | |
| 463 | return FALSE; |
| 464 | } |
| 465 | |
| 466 | bool wxImage::LoadFile( wxInputStream& stream, long type ) |
| 467 | { |
| 468 | UnRef(); |
| 469 | |
| 470 | m_refData = new wxImageRefData; |
| 471 | |
| 472 | wxImageHandler *handler; |
| 473 | |
| 474 | if (type==wxBITMAP_TYPE_ANY) |
| 475 | { |
| 476 | wxList &list=GetHandlers(); |
| 477 | |
| 478 | for ( wxList::Node *node = list.GetFirst(); node; node = node->GetNext() ) |
| 479 | { |
| 480 | handler=(wxImageHandler*)node->GetData(); |
| 481 | if (handler->CanRead( stream )) |
| 482 | return handler->LoadFile( this, stream ); |
| 483 | |
| 484 | } |
| 485 | |
| 486 | wxLogWarning( wxT("No handler found for this image.") ); |
| 487 | return FALSE; |
| 488 | } |
| 489 | |
| 490 | handler = FindHandler(type); |
| 491 | |
| 492 | if (handler == NULL) |
| 493 | { |
| 494 | wxLogWarning( wxT("No image handler for type %d defined."), type ); |
| 495 | |
| 496 | return FALSE; |
| 497 | } |
| 498 | |
| 499 | return handler->LoadFile( this, stream ); |
| 500 | } |
| 501 | |
| 502 | bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) |
| 503 | { |
| 504 | UnRef(); |
| 505 | |
| 506 | m_refData = new wxImageRefData; |
| 507 | |
| 508 | wxImageHandler *handler = FindHandlerMime(mimetype); |
| 509 | |
| 510 | if (handler == NULL) |
| 511 | { |
| 512 | wxLogWarning( wxT("No image handler for type %s defined."), mimetype.GetData() ); |
| 513 | |
| 514 | return FALSE; |
| 515 | } |
| 516 | |
| 517 | return handler->LoadFile( this, stream ); |
| 518 | } |
| 519 | |
| 520 | bool wxImage::SaveFile( wxOutputStream& stream, int type ) |
| 521 | { |
| 522 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid image") ); |
| 523 | |
| 524 | wxImageHandler *handler = FindHandler(type); |
| 525 | |
| 526 | if (handler == NULL) |
| 527 | { |
| 528 | wxLogWarning( wxT("No image handler for type %d defined."), type ); |
| 529 | |
| 530 | return FALSE; |
| 531 | } |
| 532 | |
| 533 | return handler->SaveFile( this, stream ); |
| 534 | } |
| 535 | |
| 536 | bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) |
| 537 | { |
| 538 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid image") ); |
| 539 | |
| 540 | wxImageHandler *handler = FindHandlerMime(mimetype); |
| 541 | |
| 542 | if (handler == NULL) |
| 543 | { |
| 544 | wxLogWarning( wxT("No image handler for type %s defined."), mimetype.GetData() ); |
| 545 | |
| 546 | return FALSE; |
| 547 | } |
| 548 | |
| 549 | return handler->SaveFile( this, stream ); |
| 550 | } |
| 551 | #endif // wxUSE_STREAMS |
| 552 | |
| 553 | void wxImage::AddHandler( wxImageHandler *handler ) |
| 554 | { |
| 555 | // make sure that the memory will be freed at the program end |
| 556 | sm_handlers.DeleteContents(TRUE); |
| 557 | |
| 558 | sm_handlers.Append( handler ); |
| 559 | } |
| 560 | |
| 561 | void wxImage::InsertHandler( wxImageHandler *handler ) |
| 562 | { |
| 563 | // make sure that the memory will be freed at the program end |
| 564 | sm_handlers.DeleteContents(TRUE); |
| 565 | |
| 566 | sm_handlers.Insert( handler ); |
| 567 | } |
| 568 | |
| 569 | bool wxImage::RemoveHandler( const wxString& name ) |
| 570 | { |
| 571 | wxImageHandler *handler = FindHandler(name); |
| 572 | if (handler) |
| 573 | { |
| 574 | sm_handlers.DeleteObject(handler); |
| 575 | return TRUE; |
| 576 | } |
| 577 | else |
| 578 | return FALSE; |
| 579 | } |
| 580 | |
| 581 | wxImageHandler *wxImage::FindHandler( const wxString& name ) |
| 582 | { |
| 583 | wxNode *node = sm_handlers.First(); |
| 584 | while (node) |
| 585 | { |
| 586 | wxImageHandler *handler = (wxImageHandler*)node->Data(); |
| 587 | if (handler->GetName().Cmp(name) == 0) return handler; |
| 588 | |
| 589 | node = node->Next(); |
| 590 | } |
| 591 | return (wxImageHandler *)NULL; |
| 592 | } |
| 593 | |
| 594 | wxImageHandler *wxImage::FindHandler( const wxString& extension, long bitmapType ) |
| 595 | { |
| 596 | wxNode *node = sm_handlers.First(); |
| 597 | while (node) |
| 598 | { |
| 599 | wxImageHandler *handler = (wxImageHandler*)node->Data(); |
| 600 | if ( (handler->GetExtension().Cmp(extension) == 0) && |
| 601 | (bitmapType == -1 || handler->GetType() == bitmapType) ) |
| 602 | return handler; |
| 603 | node = node->Next(); |
| 604 | } |
| 605 | return (wxImageHandler*)NULL; |
| 606 | } |
| 607 | |
| 608 | wxImageHandler *wxImage::FindHandler( long bitmapType ) |
| 609 | { |
| 610 | wxNode *node = sm_handlers.First(); |
| 611 | while (node) |
| 612 | { |
| 613 | wxImageHandler *handler = (wxImageHandler *)node->Data(); |
| 614 | if (handler->GetType() == bitmapType) return handler; |
| 615 | node = node->Next(); |
| 616 | } |
| 617 | return NULL; |
| 618 | } |
| 619 | |
| 620 | wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) |
| 621 | { |
| 622 | wxNode *node = sm_handlers.First(); |
| 623 | while (node) |
| 624 | { |
| 625 | wxImageHandler *handler = (wxImageHandler *)node->Data(); |
| 626 | if (handler->GetMimeType().IsSameAs(mimetype, FALSE)) return handler; |
| 627 | node = node->Next(); |
| 628 | } |
| 629 | return NULL; |
| 630 | } |
| 631 | |
| 632 | void wxImage::InitStandardHandlers() |
| 633 | { |
| 634 | AddHandler( new wxBMPHandler ); |
| 635 | } |
| 636 | |
| 637 | void wxImage::CleanUpHandlers() |
| 638 | { |
| 639 | wxNode *node = sm_handlers.First(); |
| 640 | while (node) |
| 641 | { |
| 642 | wxImageHandler *handler = (wxImageHandler *)node->Data(); |
| 643 | wxNode *next = node->Next(); |
| 644 | delete handler; |
| 645 | delete node; |
| 646 | node = next; |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | //----------------------------------------------------------------------------- |
| 651 | // wxImageHandler |
| 652 | //----------------------------------------------------------------------------- |
| 653 | |
| 654 | #if !USE_SHARED_LIBRARIES |
| 655 | IMPLEMENT_ABSTRACT_CLASS(wxImageHandler,wxObject) |
| 656 | #endif |
| 657 | |
| 658 | #if wxUSE_STREAMS |
| 659 | bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream), bool WXUNUSED(verbose) ) |
| 660 | { |
| 661 | return FALSE; |
| 662 | } |
| 663 | |
| 664 | bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream), bool WXUNUSED(verbose) ) |
| 665 | { |
| 666 | return FALSE; |
| 667 | } |
| 668 | |
| 669 | bool wxImageHandler::CanRead( const wxString& name ) |
| 670 | { |
| 671 | #if wxUSE_STREAMS |
| 672 | if (wxFileExists(name)) |
| 673 | { |
| 674 | wxFileInputStream stream(name); |
| 675 | return CanRead(stream); |
| 676 | } |
| 677 | |
| 678 | else { |
| 679 | wxLogError( wxT("Can't check image format of file '%s': file does not exist."), name.c_str() ); |
| 680 | |
| 681 | return FALSE; |
| 682 | } |
| 683 | #else // !wxUSE_STREAMS |
| 684 | return FALSE; |
| 685 | #endif // wxUSE_STREAMS |
| 686 | } |
| 687 | |
| 688 | |
| 689 | |
| 690 | #endif // wxUSE_STREAMS |
| 691 | |
| 692 | //----------------------------------------------------------------------------- |
| 693 | // MSW conversion routines |
| 694 | //----------------------------------------------------------------------------- |
| 695 | |
| 696 | #ifdef __WXMSW__ |
| 697 | |
| 698 | wxBitmap wxImage::ConvertToBitmap() const |
| 699 | { |
| 700 | if ( !Ok() ) |
| 701 | return wxNullBitmap; |
| 702 | |
| 703 | // sizeLimit is the MS upper limit for the DIB size |
| 704 | #ifdef WIN32 |
| 705 | int sizeLimit = 1024*768*3; |
| 706 | #else |
| 707 | int sizeLimit = 0x7fff ; |
| 708 | #endif |
| 709 | |
| 710 | // width and height of the device-dependent bitmap |
| 711 | int width = GetWidth(); |
| 712 | int bmpHeight = GetHeight(); |
| 713 | |
| 714 | // calc the number of bytes per scanline and padding |
| 715 | int bytePerLine = width*3; |
| 716 | int sizeDWORD = sizeof( DWORD ); |
| 717 | int lineBoundary = bytePerLine % sizeDWORD; |
| 718 | int padding = 0; |
| 719 | if( lineBoundary > 0 ) |
| 720 | { |
| 721 | padding = sizeDWORD - lineBoundary; |
| 722 | bytePerLine += padding; |
| 723 | } |
| 724 | // calc the number of DIBs and heights of DIBs |
| 725 | int numDIB = 1; |
| 726 | int hRemain = 0; |
| 727 | int height = sizeLimit/bytePerLine; |
| 728 | if( height >= bmpHeight ) |
| 729 | height = bmpHeight; |
| 730 | else |
| 731 | { |
| 732 | numDIB = bmpHeight / height; |
| 733 | hRemain = bmpHeight % height; |
| 734 | if( hRemain >0 ) numDIB++; |
| 735 | } |
| 736 | |
| 737 | // set bitmap parameters |
| 738 | wxBitmap bitmap; |
| 739 | wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") ); |
| 740 | bitmap.SetWidth( width ); |
| 741 | bitmap.SetHeight( bmpHeight ); |
| 742 | bitmap.SetDepth( wxDisplayDepth() ); |
| 743 | |
| 744 | // create a DIB header |
| 745 | int headersize = sizeof(BITMAPINFOHEADER); |
| 746 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); |
| 747 | wxCHECK_MSG( lpDIBh, bitmap, wxT("could not allocate memory for DIB header") ); |
| 748 | // Fill in the DIB header |
| 749 | lpDIBh->bmiHeader.biSize = headersize; |
| 750 | lpDIBh->bmiHeader.biWidth = (DWORD)width; |
| 751 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 752 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 753 | // the general formula for biSizeImage: |
| 754 | // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height; |
| 755 | lpDIBh->bmiHeader.biPlanes = 1; |
| 756 | lpDIBh->bmiHeader.biBitCount = 24; |
| 757 | lpDIBh->bmiHeader.biCompression = BI_RGB; |
| 758 | lpDIBh->bmiHeader.biClrUsed = 0; |
| 759 | // These seem not really needed for our purpose here. |
| 760 | lpDIBh->bmiHeader.biClrImportant = 0; |
| 761 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; |
| 762 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; |
| 763 | // memory for DIB data |
| 764 | unsigned char *lpBits; |
| 765 | lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); |
| 766 | if( !lpBits ) |
| 767 | { |
| 768 | wxFAIL_MSG( wxT("could not allocate memory for DIB") ); |
| 769 | free( lpDIBh ); |
| 770 | return bitmap; |
| 771 | } |
| 772 | |
| 773 | // create and set the device-dependent bitmap |
| 774 | HDC hdc = ::GetDC(NULL); |
| 775 | HDC memdc = ::CreateCompatibleDC( hdc ); |
| 776 | HBITMAP hbitmap; |
| 777 | hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight ); |
| 778 | ::SelectObject( memdc, hbitmap); |
| 779 | |
| 780 | // copy image data into DIB data and then into DDB (in a loop) |
| 781 | unsigned char *data = GetData(); |
| 782 | int i, j, n; |
| 783 | int origin = 0; |
| 784 | unsigned char *ptdata = data; |
| 785 | unsigned char *ptbits; |
| 786 | |
| 787 | for( n=0; n<numDIB; n++ ) |
| 788 | { |
| 789 | if( numDIB > 1 && n == numDIB-1 && hRemain > 0 ) |
| 790 | { |
| 791 | // redefine height and size of the (possibly) last smaller DIB |
| 792 | // memory is not reallocated |
| 793 | height = hRemain; |
| 794 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 795 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 796 | } |
| 797 | ptbits = lpBits; |
| 798 | |
| 799 | for( j=0; j<height; j++ ) |
| 800 | { |
| 801 | for( i=0; i<width; i++ ) |
| 802 | { |
| 803 | *(ptbits++) = *(ptdata+2); |
| 804 | *(ptbits++) = *(ptdata+1); |
| 805 | *(ptbits++) = *(ptdata ); |
| 806 | ptdata += 3; |
| 807 | } |
| 808 | for( i=0; i< padding; i++ ) *(ptbits++) = 0; |
| 809 | } |
| 810 | ::StretchDIBits( memdc, 0, origin, width, height,\ |
| 811 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
| 812 | origin += height; |
| 813 | // if numDIB = 1, lines below can also be used |
| 814 | // hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 815 | // The above line is equivalent to the following two lines. |
| 816 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); |
| 817 | // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); |
| 818 | // or the following lines |
| 819 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); |
| 820 | // HDC memdc = ::CreateCompatibleDC( hdc ); |
| 821 | // ::SelectObject( memdc, hbitmap); |
| 822 | // ::SetDIBitsToDevice( memdc, 0, 0, width, height, |
| 823 | // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); |
| 824 | // ::SelectObject( memdc, 0 ); |
| 825 | // ::DeleteDC( memdc ); |
| 826 | } |
| 827 | bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); |
| 828 | |
| 829 | // similarly, created an mono-bitmap for the possible mask |
| 830 | if( HasMask() ) |
| 831 | { |
| 832 | hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); |
| 833 | ::SelectObject( memdc, hbitmap); |
| 834 | if( numDIB == 1 ) height = bmpHeight; |
| 835 | else height = sizeLimit/bytePerLine; |
| 836 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 837 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 838 | origin = 0; |
| 839 | unsigned char r = GetMaskRed(); |
| 840 | unsigned char g = GetMaskGreen(); |
| 841 | unsigned char b = GetMaskBlue(); |
| 842 | unsigned char zero = 0, one = 255; |
| 843 | ptdata = data; |
| 844 | for( n=0; n<numDIB; n++ ) |
| 845 | { |
| 846 | if( numDIB > 1 && n == numDIB - 1 && hRemain > 0 ) |
| 847 | { |
| 848 | // redefine height and size of the (possibly) last smaller DIB |
| 849 | // memory is not reallocated |
| 850 | height = hRemain; |
| 851 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 852 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 853 | } |
| 854 | ptbits = lpBits; |
| 855 | for( int j=0; j<height; j++ ) |
| 856 | { |
| 857 | for(i=0; i<width; i++ ) |
| 858 | { |
| 859 | if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) ) |
| 860 | { |
| 861 | *(ptbits++) = one; |
| 862 | *(ptbits++) = one; |
| 863 | *(ptbits++) = one; |
| 864 | } |
| 865 | else |
| 866 | { |
| 867 | *(ptbits++) = zero; |
| 868 | *(ptbits++) = zero; |
| 869 | *(ptbits++) = zero; |
| 870 | } |
| 871 | } |
| 872 | for( i=0; i< padding; i++ ) *(ptbits++) = zero; |
| 873 | } |
| 874 | ::StretchDIBits( memdc, 0, origin, width, height,\ |
| 875 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
| 876 | origin += height; |
| 877 | } |
| 878 | // create a wxMask object |
| 879 | wxMask *mask = new wxMask(); |
| 880 | mask->SetMaskBitmap( (WXHBITMAP) hbitmap ); |
| 881 | bitmap.SetMask( mask ); |
| 882 | // It will be deleted when the wxBitmap object is deleted (as of 01/1999) |
| 883 | /* The following can also be used but is slow to run |
| 884 | wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue()); |
| 885 | wxMask *mask = new wxMask( bitmap, colour ); |
| 886 | bitmap.SetMask( mask ); |
| 887 | */ |
| 888 | } |
| 889 | |
| 890 | // free allocated resources |
| 891 | ::SelectObject( memdc, 0 ); |
| 892 | ::DeleteDC( memdc ); |
| 893 | ::ReleaseDC(NULL, hdc); |
| 894 | free(lpDIBh); |
| 895 | free(lpBits); |
| 896 | |
| 897 | // check the wxBitmap object |
| 898 | if( bitmap.GetHBITMAP() ) |
| 899 | bitmap.SetOk( TRUE ); |
| 900 | else |
| 901 | bitmap.SetOk( FALSE ); |
| 902 | |
| 903 | return bitmap; |
| 904 | } |
| 905 | |
| 906 | wxImage::wxImage( const wxBitmap &bitmap ) |
| 907 | { |
| 908 | // check the bitmap |
| 909 | if( !bitmap.Ok() ) |
| 910 | { |
| 911 | wxFAIL_MSG( wxT("invalid bitmap") ); |
| 912 | return; |
| 913 | } |
| 914 | |
| 915 | // create an wxImage object |
| 916 | int width = bitmap.GetWidth(); |
| 917 | int height = bitmap.GetHeight(); |
| 918 | Create( width, height ); |
| 919 | unsigned char *data = GetData(); |
| 920 | if( !data ) |
| 921 | { |
| 922 | wxFAIL_MSG( wxT("could not allocate data for image") ); |
| 923 | return; |
| 924 | } |
| 925 | |
| 926 | // calc the number of bytes per scanline and padding in the DIB |
| 927 | int bytePerLine = width*3; |
| 928 | int sizeDWORD = sizeof( DWORD ); |
| 929 | int lineBoundary = bytePerLine % sizeDWORD; |
| 930 | int padding = 0; |
| 931 | if( lineBoundary > 0 ) |
| 932 | { |
| 933 | padding = sizeDWORD - lineBoundary; |
| 934 | bytePerLine += padding; |
| 935 | } |
| 936 | |
| 937 | // create a DIB header |
| 938 | int headersize = sizeof(BITMAPINFOHEADER); |
| 939 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); |
| 940 | if( !lpDIBh ) |
| 941 | { |
| 942 | wxFAIL_MSG( wxT("could not allocate data for DIB header") ); |
| 943 | free( data ); |
| 944 | return; |
| 945 | } |
| 946 | // Fill in the DIB header |
| 947 | lpDIBh->bmiHeader.biSize = headersize; |
| 948 | lpDIBh->bmiHeader.biWidth = width; |
| 949 | lpDIBh->bmiHeader.biHeight = -height; |
| 950 | lpDIBh->bmiHeader.biSizeImage = bytePerLine * height; |
| 951 | lpDIBh->bmiHeader.biPlanes = 1; |
| 952 | lpDIBh->bmiHeader.biBitCount = 24; |
| 953 | lpDIBh->bmiHeader.biCompression = BI_RGB; |
| 954 | lpDIBh->bmiHeader.biClrUsed = 0; |
| 955 | // These seem not really needed for our purpose here. |
| 956 | lpDIBh->bmiHeader.biClrImportant = 0; |
| 957 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; |
| 958 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; |
| 959 | // memory for DIB data |
| 960 | unsigned char *lpBits; |
| 961 | lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); |
| 962 | if( !lpBits ) |
| 963 | { |
| 964 | wxFAIL_MSG( wxT("could not allocate data for DIB") ); |
| 965 | free( data ); |
| 966 | free( lpDIBh ); |
| 967 | return; |
| 968 | } |
| 969 | |
| 970 | // copy data from the device-dependent bitmap to the DIB |
| 971 | HDC hdc = ::GetDC(NULL); |
| 972 | HBITMAP hbitmap; |
| 973 | hbitmap = (HBITMAP) bitmap.GetHBITMAP(); |
| 974 | ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 975 | |
| 976 | // copy DIB data into the wxImage object |
| 977 | int i, j; |
| 978 | unsigned char *ptdata = data; |
| 979 | unsigned char *ptbits = lpBits; |
| 980 | for( i=0; i<height; i++ ) |
| 981 | { |
| 982 | for( j=0; j<width; j++ ) |
| 983 | { |
| 984 | *(ptdata++) = *(ptbits+2); |
| 985 | *(ptdata++) = *(ptbits+1); |
| 986 | *(ptdata++) = *(ptbits ); |
| 987 | ptbits += 3; |
| 988 | } |
| 989 | ptbits += padding; |
| 990 | } |
| 991 | |
| 992 | // similarly, set data according to the possible mask bitmap |
| 993 | if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() ) |
| 994 | { |
| 995 | hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); |
| 996 | // memory DC created, color set, data copied, and memory DC deleted |
| 997 | HDC memdc = ::CreateCompatibleDC( hdc ); |
| 998 | ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); |
| 999 | ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); |
| 1000 | ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 1001 | ::DeleteDC( memdc ); |
| 1002 | // background color set to RGB(16,16,16) in consistent with wxGTK |
| 1003 | unsigned char r=16, g=16, b=16; |
| 1004 | ptdata = data; |
| 1005 | ptbits = lpBits; |
| 1006 | for( i=0; i<height; i++ ) |
| 1007 | { |
| 1008 | for( j=0; j<width; j++ ) |
| 1009 | { |
| 1010 | if( *ptbits != 0 ) |
| 1011 | ptdata += 3; |
| 1012 | else |
| 1013 | { |
| 1014 | *(ptdata++) = r; |
| 1015 | *(ptdata++) = g; |
| 1016 | *(ptdata++) = b; |
| 1017 | } |
| 1018 | ptbits += 3; |
| 1019 | } |
| 1020 | ptbits += padding; |
| 1021 | } |
| 1022 | SetMaskColour( r, g, b ); |
| 1023 | SetMask( TRUE ); |
| 1024 | } |
| 1025 | else |
| 1026 | { |
| 1027 | SetMask( FALSE ); |
| 1028 | } |
| 1029 | // free allocated resources |
| 1030 | ::ReleaseDC(NULL, hdc); |
| 1031 | free(lpDIBh); |
| 1032 | free(lpBits); |
| 1033 | } |
| 1034 | |
| 1035 | #endif |
| 1036 | |
| 1037 | //----------------------------------------------------------------------------- |
| 1038 | // GTK conversion routines |
| 1039 | //----------------------------------------------------------------------------- |
| 1040 | |
| 1041 | #ifdef __WXGTK__ |
| 1042 | |
| 1043 | #include "gtk/gtk.h" |
| 1044 | #include "gdk/gdk.h" |
| 1045 | #include "gdk/gdkx.h" |
| 1046 | |
| 1047 | #if (GTK_MINOR_VERSION > 0) |
| 1048 | #include "gdk/gdkrgb.h" |
| 1049 | #endif |
| 1050 | |
| 1051 | wxBitmap wxImage::ConvertToBitmap() const |
| 1052 | { |
| 1053 | wxBitmap bitmap; |
| 1054 | |
| 1055 | wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") ); |
| 1056 | |
| 1057 | int width = GetWidth(); |
| 1058 | int height = GetHeight(); |
| 1059 | |
| 1060 | bitmap.SetHeight( height ); |
| 1061 | bitmap.SetWidth( width ); |
| 1062 | |
| 1063 | bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); |
| 1064 | |
| 1065 | // Retrieve depth |
| 1066 | |
| 1067 | GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
| 1068 | if (visual == NULL) visual = gdk_visual_get_system(); |
| 1069 | int bpp = visual->depth; |
| 1070 | |
| 1071 | bitmap.SetDepth( bpp ); |
| 1072 | |
| 1073 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; |
| 1074 | if (bpp < 8) bpp = 8; |
| 1075 | |
| 1076 | #if (GTK_MINOR_VERSION > 0) |
| 1077 | |
| 1078 | if (!HasMask() && (bpp > 8)) |
| 1079 | { |
| 1080 | static bool s_hasInitialized = FALSE; |
| 1081 | |
| 1082 | if (!s_hasInitialized) |
| 1083 | { |
| 1084 | gdk_rgb_init(); |
| 1085 | s_hasInitialized = TRUE; |
| 1086 | } |
| 1087 | |
| 1088 | GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() ); |
| 1089 | |
| 1090 | gdk_draw_rgb_image( bitmap.GetPixmap(), |
| 1091 | gc, |
| 1092 | 0, 0, |
| 1093 | width, height, |
| 1094 | GDK_RGB_DITHER_NONE, |
| 1095 | GetData(), |
| 1096 | width*3 ); |
| 1097 | |
| 1098 | gdk_gc_unref( gc ); |
| 1099 | |
| 1100 | return bitmap; |
| 1101 | } |
| 1102 | |
| 1103 | #endif |
| 1104 | |
| 1105 | // Create picture image |
| 1106 | |
| 1107 | GdkImage *data_image = |
| 1108 | gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); |
| 1109 | |
| 1110 | // Create mask image |
| 1111 | |
| 1112 | GdkImage *mask_image = (GdkImage*) NULL; |
| 1113 | |
| 1114 | if (HasMask()) |
| 1115 | { |
| 1116 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 1117 | |
| 1118 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
| 1119 | |
| 1120 | wxMask *mask = new wxMask(); |
| 1121 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); |
| 1122 | |
| 1123 | bitmap.SetMask( mask ); |
| 1124 | } |
| 1125 | |
| 1126 | // Render |
| 1127 | |
| 1128 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
| 1129 | byte_order b_o = RGB; |
| 1130 | |
| 1131 | if (bpp >= 24) |
| 1132 | { |
| 1133 | GdkVisual *visual = gdk_visual_get_system(); |
| 1134 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; |
| 1135 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB; |
| 1136 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; |
| 1137 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; |
| 1138 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; |
| 1139 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; |
| 1140 | } |
| 1141 | |
| 1142 | int r_mask = GetMaskRed(); |
| 1143 | int g_mask = GetMaskGreen(); |
| 1144 | int b_mask = GetMaskBlue(); |
| 1145 | |
| 1146 | unsigned char* data = GetData(); |
| 1147 | |
| 1148 | int index = 0; |
| 1149 | for (int y = 0; y < height; y++) |
| 1150 | { |
| 1151 | for (int x = 0; x < width; x++) |
| 1152 | { |
| 1153 | int r = data[index]; |
| 1154 | index++; |
| 1155 | int g = data[index]; |
| 1156 | index++; |
| 1157 | int b = data[index]; |
| 1158 | index++; |
| 1159 | |
| 1160 | if (HasMask()) |
| 1161 | { |
| 1162 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 1163 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 1164 | else |
| 1165 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 1166 | } |
| 1167 | |
| 1168 | if (HasMask()) |
| 1169 | { |
| 1170 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 1171 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 1172 | else |
| 1173 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 1174 | } |
| 1175 | |
| 1176 | switch (bpp) |
| 1177 | { |
| 1178 | case 8: |
| 1179 | { |
| 1180 | int pixel = -1; |
| 1181 | if (wxTheApp->m_colorCube) |
| 1182 | { |
| 1183 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
| 1184 | } |
| 1185 | else |
| 1186 | { |
| 1187 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 1188 | GdkColor *colors = cmap->colors; |
| 1189 | int max = 3 * (65536); |
| 1190 | |
| 1191 | for (int i = 0; i < cmap->size; i++) |
| 1192 | { |
| 1193 | int rdiff = (r << 8) - colors[i].red; |
| 1194 | int gdiff = (g << 8) - colors[i].green; |
| 1195 | int bdiff = (b << 8) - colors[i].blue; |
| 1196 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); |
| 1197 | if (sum < max) { pixel = i; max = sum; } |
| 1198 | } |
| 1199 | } |
| 1200 | |
| 1201 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 1202 | |
| 1203 | break; |
| 1204 | } |
| 1205 | case 15: |
| 1206 | { |
| 1207 | guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); |
| 1208 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 1209 | break; |
| 1210 | } |
| 1211 | case 16: |
| 1212 | { |
| 1213 | guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); |
| 1214 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 1215 | break; |
| 1216 | } |
| 1217 | case 32: |
| 1218 | case 24: |
| 1219 | { |
| 1220 | guint32 pixel = 0; |
| 1221 | switch (b_o) |
| 1222 | { |
| 1223 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
| 1224 | case RBG: pixel = (r << 16) | (b << 8) | g; break; |
| 1225 | case BRG: pixel = (b << 16) | (r << 8) | g; break; |
| 1226 | case BGR: pixel = (b << 16) | (g << 8) | r; break; |
| 1227 | case GRB: pixel = (g << 16) | (r << 8) | b; break; |
| 1228 | case GBR: pixel = (g << 16) | (b << 8) | r; break; |
| 1229 | } |
| 1230 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 1231 | } |
| 1232 | default: break; |
| 1233 | } |
| 1234 | } // for |
| 1235 | } // for |
| 1236 | |
| 1237 | // Blit picture |
| 1238 | |
| 1239 | GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() ); |
| 1240 | |
| 1241 | gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
| 1242 | |
| 1243 | gdk_image_destroy( data_image ); |
| 1244 | gdk_gc_unref( data_gc ); |
| 1245 | |
| 1246 | // Blit mask |
| 1247 | |
| 1248 | if (HasMask()) |
| 1249 | { |
| 1250 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); |
| 1251 | |
| 1252 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 1253 | |
| 1254 | gdk_image_destroy( mask_image ); |
| 1255 | gdk_gc_unref( mask_gc ); |
| 1256 | } |
| 1257 | |
| 1258 | return bitmap; |
| 1259 | } |
| 1260 | |
| 1261 | wxImage::wxImage( const wxBitmap &bitmap ) |
| 1262 | { |
| 1263 | wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") ); |
| 1264 | |
| 1265 | GdkImage *gdk_image = (GdkImage*) NULL; |
| 1266 | if (bitmap.GetPixmap()) |
| 1267 | { |
| 1268 | gdk_image = gdk_image_get( bitmap.GetPixmap(), |
| 1269 | 0, 0, |
| 1270 | bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1271 | } else |
| 1272 | if (bitmap.GetBitmap()) |
| 1273 | { |
| 1274 | gdk_image = gdk_image_get( bitmap.GetBitmap(), |
| 1275 | 0, 0, |
| 1276 | bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1277 | } else |
| 1278 | { |
| 1279 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 1280 | } |
| 1281 | |
| 1282 | wxCHECK_RET( gdk_image, wxT("couldn't create image") ); |
| 1283 | |
| 1284 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1285 | char unsigned *data = GetData(); |
| 1286 | |
| 1287 | if (!data) |
| 1288 | { |
| 1289 | gdk_image_destroy( gdk_image ); |
| 1290 | wxFAIL_MSG( wxT("couldn't create image") ); |
| 1291 | return; |
| 1292 | } |
| 1293 | |
| 1294 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
| 1295 | if (bitmap.GetMask()) |
| 1296 | { |
| 1297 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), |
| 1298 | 0, 0, |
| 1299 | bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1300 | |
| 1301 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
| 1302 | } |
| 1303 | |
| 1304 | GdkVisual *visual = (GdkVisual*) NULL; |
| 1305 | if (bitmap.GetPixmap()) |
| 1306 | visual = gdk_window_get_visual( bitmap.GetPixmap() ); |
| 1307 | else |
| 1308 | visual = gdk_window_get_visual( bitmap.GetBitmap() ); |
| 1309 | |
| 1310 | if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); |
| 1311 | int bpp = visual->depth; |
| 1312 | if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; |
| 1313 | |
| 1314 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 1315 | |
| 1316 | long pos = 0; |
| 1317 | for (int j = 0; j < bitmap.GetHeight(); j++) |
| 1318 | { |
| 1319 | for (int i = 0; i < bitmap.GetWidth(); i++) |
| 1320 | { |
| 1321 | wxInt32 pixel = gdk_image_get_pixel( gdk_image, i, j ); |
| 1322 | // pixel = wxINT32_SWAP_ON_BE( pixel ); |
| 1323 | if (bpp <= 8) |
| 1324 | { |
| 1325 | data[pos] = cmap->colors[pixel].red >> 8; |
| 1326 | data[pos+1] = cmap->colors[pixel].green >> 8; |
| 1327 | data[pos+2] = cmap->colors[pixel].blue >> 8; |
| 1328 | } else if (bpp == 15) |
| 1329 | { |
| 1330 | data[pos] = (pixel >> 7) & 0xf8; |
| 1331 | data[pos+1] = (pixel >> 2) & 0xf8; |
| 1332 | data[pos+2] = (pixel << 3) & 0xf8; |
| 1333 | } else if (bpp == 16) |
| 1334 | { |
| 1335 | data[pos] = (pixel >> 8) & 0xf8; |
| 1336 | data[pos+1] = (pixel >> 3) & 0xfc; |
| 1337 | data[pos+2] = (pixel << 3) & 0xf8; |
| 1338 | } else |
| 1339 | { |
| 1340 | data[pos] = (pixel >> 16) & 0xff; |
| 1341 | data[pos+1] = (pixel >> 8) & 0xff; |
| 1342 | data[pos+2] = pixel & 0xff; |
| 1343 | } |
| 1344 | |
| 1345 | if (gdk_image_mask) |
| 1346 | { |
| 1347 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
| 1348 | if (mask_pixel == 0) |
| 1349 | { |
| 1350 | data[pos] = 16; |
| 1351 | data[pos+1] = 16; |
| 1352 | data[pos+2] = 16; |
| 1353 | } |
| 1354 | } |
| 1355 | |
| 1356 | pos += 3; |
| 1357 | } |
| 1358 | } |
| 1359 | |
| 1360 | gdk_image_destroy( gdk_image ); |
| 1361 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
| 1362 | } |
| 1363 | |
| 1364 | #endif |
| 1365 | |
| 1366 | //----------------------------------------------------------------------------- |
| 1367 | // Motif conversion routines |
| 1368 | //----------------------------------------------------------------------------- |
| 1369 | |
| 1370 | #ifdef __WXMOTIF__ |
| 1371 | |
| 1372 | #include <Xm/Xm.h> |
| 1373 | #include "wx/utils.h" |
| 1374 | #include <math.h> |
| 1375 | |
| 1376 | wxBitmap wxImage::ConvertToBitmap() const |
| 1377 | { |
| 1378 | wxBitmap bitmap; |
| 1379 | |
| 1380 | wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") ); |
| 1381 | |
| 1382 | int width = GetWidth(); |
| 1383 | int height = GetHeight(); |
| 1384 | |
| 1385 | bitmap.SetHeight( height ); |
| 1386 | bitmap.SetWidth( width ); |
| 1387 | |
| 1388 | Display *dpy = (Display*) wxGetDisplay(); |
| 1389 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); |
| 1390 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); |
| 1391 | |
| 1392 | // Create image |
| 1393 | |
| 1394 | XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); |
| 1395 | data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); |
| 1396 | |
| 1397 | bitmap.Create( width, height, bpp ); |
| 1398 | |
| 1399 | /* |
| 1400 | // Create mask |
| 1401 | |
| 1402 | GdkImage *mask_image = (GdkImage*) NULL; |
| 1403 | |
| 1404 | if (HasMask()) |
| 1405 | { |
| 1406 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 1407 | |
| 1408 | mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); |
| 1409 | |
| 1410 | wxMask *mask = new wxMask(); |
| 1411 | mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); |
| 1412 | |
| 1413 | bitmap.SetMask( mask ); |
| 1414 | } |
| 1415 | */ |
| 1416 | |
| 1417 | // Retrieve depth info |
| 1418 | |
| 1419 | XVisualInfo vinfo_template; |
| 1420 | XVisualInfo *vi; |
| 1421 | |
| 1422 | vinfo_template.visual = vis; |
| 1423 | vinfo_template.visualid = XVisualIDFromVisual( vis ); |
| 1424 | vinfo_template.depth = bpp; |
| 1425 | int nitem = 0; |
| 1426 | |
| 1427 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
| 1428 | |
| 1429 | wxCHECK_MSG( vi, wxNullBitmap, wxT("no visual") ); |
| 1430 | |
| 1431 | XFree( vi ); |
| 1432 | |
| 1433 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
| 1434 | if (bpp < 8) bpp = 8; |
| 1435 | |
| 1436 | // Render |
| 1437 | |
| 1438 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
| 1439 | byte_order b_o = RGB; |
| 1440 | |
| 1441 | if (bpp >= 24) |
| 1442 | { |
| 1443 | if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; |
| 1444 | else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; |
| 1445 | else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; |
| 1446 | else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; |
| 1447 | else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB; |
| 1448 | else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR; |
| 1449 | } |
| 1450 | |
| 1451 | /* |
| 1452 | int r_mask = GetMaskRed(); |
| 1453 | int g_mask = GetMaskGreen(); |
| 1454 | int b_mask = GetMaskBlue(); |
| 1455 | */ |
| 1456 | |
| 1457 | XColor colors[256]; |
| 1458 | if (bpp == 8) |
| 1459 | { |
| 1460 | Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); |
| 1461 | |
| 1462 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
| 1463 | XQueryColors( dpy, cmap, colors, 256 ); |
| 1464 | } |
| 1465 | |
| 1466 | unsigned char* data = GetData(); |
| 1467 | |
| 1468 | int index = 0; |
| 1469 | for (int y = 0; y < height; y++) |
| 1470 | { |
| 1471 | for (int x = 0; x < width; x++) |
| 1472 | { |
| 1473 | int r = data[index]; |
| 1474 | index++; |
| 1475 | int g = data[index]; |
| 1476 | index++; |
| 1477 | int b = data[index]; |
| 1478 | index++; |
| 1479 | |
| 1480 | /* |
| 1481 | if (HasMask()) |
| 1482 | { |
| 1483 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 1484 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 1485 | else |
| 1486 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 1487 | } |
| 1488 | */ |
| 1489 | |
| 1490 | switch (bpp) |
| 1491 | { |
| 1492 | case 8: |
| 1493 | { |
| 1494 | int pixel = -1; |
| 1495 | /* |
| 1496 | if (wxTheApp->m_colorCube) |
| 1497 | { |
| 1498 | pixel = wxTheApp->m_colorCube |
| 1499 | [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
| 1500 | } |
| 1501 | else |
| 1502 | { |
| 1503 | */ |
| 1504 | int max = 3 * (65536); |
| 1505 | for (int i = 0; i < 256; i++) |
| 1506 | { |
| 1507 | int rdiff = (r << 8) - colors[i].red; |
| 1508 | int gdiff = (g << 8) - colors[i].green; |
| 1509 | int bdiff = (b << 8) - colors[i].blue; |
| 1510 | int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); |
| 1511 | if (sum < max) { pixel = i; max = sum; } |
| 1512 | } |
| 1513 | /* |
| 1514 | } |
| 1515 | */ |
| 1516 | XPutPixel( data_image, x, y, pixel ); |
| 1517 | break; |
| 1518 | } |
| 1519 | case 15: |
| 1520 | { |
| 1521 | int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); |
| 1522 | XPutPixel( data_image, x, y, pixel ); |
| 1523 | break; |
| 1524 | } |
| 1525 | case 16: |
| 1526 | { |
| 1527 | int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); |
| 1528 | XPutPixel( data_image, x, y, pixel ); |
| 1529 | break; |
| 1530 | } |
| 1531 | case 32: |
| 1532 | case 24: |
| 1533 | { |
| 1534 | int pixel = 0; |
| 1535 | switch (b_o) |
| 1536 | { |
| 1537 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
| 1538 | case RBG: pixel = (r << 16) | (b << 8) | g; break; |
| 1539 | case BRG: pixel = (b << 16) | (r << 8) | g; break; |
| 1540 | case BGR: pixel = (b << 16) | (g << 8) | r; break; |
| 1541 | case GRB: pixel = (g << 16) | (r << 8) | b; break; |
| 1542 | case GBR: pixel = (g << 16) | (b << 8) | r; break; |
| 1543 | } |
| 1544 | XPutPixel( data_image, x, y, pixel ); |
| 1545 | } |
| 1546 | default: break; |
| 1547 | } |
| 1548 | } // for |
| 1549 | } // for |
| 1550 | |
| 1551 | // Blit picture |
| 1552 | |
| 1553 | XGCValues gcvalues; |
| 1554 | gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); |
| 1555 | GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); |
| 1556 | XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); |
| 1557 | |
| 1558 | XDestroyImage( data_image ); |
| 1559 | XFreeGC( dpy, gc ); |
| 1560 | |
| 1561 | /* |
| 1562 | // Blit mask |
| 1563 | |
| 1564 | if (HasMask()) |
| 1565 | { |
| 1566 | GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() ); |
| 1567 | |
| 1568 | gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 1569 | |
| 1570 | gdk_image_destroy( mask_image ); |
| 1571 | gdk_gc_unref( mask_gc ); |
| 1572 | } |
| 1573 | */ |
| 1574 | |
| 1575 | return bitmap; |
| 1576 | } |
| 1577 | |
| 1578 | wxImage::wxImage( const wxBitmap &bitmap ) |
| 1579 | { |
| 1580 | wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") ); |
| 1581 | |
| 1582 | Display *dpy = (Display*) wxGetDisplay(); |
| 1583 | Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); |
| 1584 | int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); |
| 1585 | |
| 1586 | XImage *ximage = XGetImage( dpy, |
| 1587 | (Drawable)bitmap.GetPixmap(), |
| 1588 | 0, 0, |
| 1589 | bitmap.GetWidth(), bitmap.GetHeight(), |
| 1590 | AllPlanes, ZPixmap ); |
| 1591 | |
| 1592 | wxCHECK_RET( ximage, wxT("couldn't create image") ); |
| 1593 | |
| 1594 | Create( bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1595 | char unsigned *data = GetData(); |
| 1596 | |
| 1597 | if (!data) |
| 1598 | { |
| 1599 | XDestroyImage( ximage ); |
| 1600 | wxFAIL_MSG( wxT("couldn't create image") ); |
| 1601 | return; |
| 1602 | } |
| 1603 | |
| 1604 | /* |
| 1605 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
| 1606 | if (bitmap.GetMask()) |
| 1607 | { |
| 1608 | gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(), |
| 1609 | 0, 0, |
| 1610 | bitmap.GetWidth(), bitmap.GetHeight() ); |
| 1611 | |
| 1612 | SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
| 1613 | } |
| 1614 | */ |
| 1615 | |
| 1616 | // Retrieve depth info |
| 1617 | |
| 1618 | XVisualInfo vinfo_template; |
| 1619 | XVisualInfo *vi; |
| 1620 | |
| 1621 | vinfo_template.visual = vis; |
| 1622 | vinfo_template.visualid = XVisualIDFromVisual( vis ); |
| 1623 | vinfo_template.depth = bpp; |
| 1624 | int nitem = 0; |
| 1625 | |
| 1626 | vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); |
| 1627 | |
| 1628 | wxCHECK_RET( vi, wxT("no visual") ); |
| 1629 | |
| 1630 | if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; |
| 1631 | |
| 1632 | XFree( vi ); |
| 1633 | |
| 1634 | XColor colors[256]; |
| 1635 | if (bpp == 8) |
| 1636 | { |
| 1637 | Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); |
| 1638 | |
| 1639 | for (int i = 0; i < 256; i++) colors[i].pixel = i; |
| 1640 | XQueryColors( dpy, cmap, colors, 256 ); |
| 1641 | } |
| 1642 | |
| 1643 | long pos = 0; |
| 1644 | for (int j = 0; j < bitmap.GetHeight(); j++) |
| 1645 | { |
| 1646 | for (int i = 0; i < bitmap.GetWidth(); i++) |
| 1647 | { |
| 1648 | int pixel = XGetPixel( ximage, i, j ); |
| 1649 | if (bpp <= 8) |
| 1650 | { |
| 1651 | data[pos] = colors[pixel].red >> 8; |
| 1652 | data[pos+1] = colors[pixel].green >> 8; |
| 1653 | data[pos+2] = colors[pixel].blue >> 8; |
| 1654 | } else if (bpp == 15) |
| 1655 | { |
| 1656 | data[pos] = (pixel >> 7) & 0xf8; |
| 1657 | data[pos+1] = (pixel >> 2) & 0xf8; |
| 1658 | data[pos+2] = (pixel << 3) & 0xf8; |
| 1659 | } else if (bpp == 16) |
| 1660 | { |
| 1661 | data[pos] = (pixel >> 8) & 0xf8; |
| 1662 | data[pos+1] = (pixel >> 3) & 0xfc; |
| 1663 | data[pos+2] = (pixel << 3) & 0xf8; |
| 1664 | } else |
| 1665 | { |
| 1666 | data[pos] = (pixel >> 16) & 0xff; |
| 1667 | data[pos+1] = (pixel >> 8) & 0xff; |
| 1668 | data[pos+2] = pixel & 0xff; |
| 1669 | } |
| 1670 | |
| 1671 | /* |
| 1672 | if (gdk_image_mask) |
| 1673 | { |
| 1674 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
| 1675 | if (mask_pixel == 0) |
| 1676 | { |
| 1677 | data[pos] = 16; |
| 1678 | data[pos+1] = 16; |
| 1679 | data[pos+2] = 16; |
| 1680 | } |
| 1681 | } |
| 1682 | */ |
| 1683 | |
| 1684 | pos += 3; |
| 1685 | } |
| 1686 | } |
| 1687 | |
| 1688 | XDestroyImage( ximage ); |
| 1689 | /* |
| 1690 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
| 1691 | */ |
| 1692 | } |
| 1693 | #endif |
| 1694 | |
| 1695 | #ifdef __WXPM__ |
| 1696 | // OS/2 Presentation manager conversion routings |
| 1697 | |
| 1698 | wxBitmap wxImage::ConvertToBitmap() const |
| 1699 | { |
| 1700 | if ( !Ok() ) |
| 1701 | return wxNullBitmap; |
| 1702 | wxBitmap bitmap; // remove |
| 1703 | // TODO: |
| 1704 | /* |
| 1705 | int sizeLimit = 1024*768*3; |
| 1706 | |
| 1707 | // width and height of the device-dependent bitmap |
| 1708 | int width = GetWidth(); |
| 1709 | int bmpHeight = GetHeight(); |
| 1710 | |
| 1711 | // calc the number of bytes per scanline and padding |
| 1712 | int bytePerLine = width*3; |
| 1713 | int sizeDWORD = sizeof( DWORD ); |
| 1714 | int lineBoundary = bytePerLine % sizeDWORD; |
| 1715 | int padding = 0; |
| 1716 | if( lineBoundary > 0 ) |
| 1717 | { |
| 1718 | padding = sizeDWORD - lineBoundary; |
| 1719 | bytePerLine += padding; |
| 1720 | } |
| 1721 | // calc the number of DIBs and heights of DIBs |
| 1722 | int numDIB = 1; |
| 1723 | int hRemain = 0; |
| 1724 | int height = sizeLimit/bytePerLine; |
| 1725 | if( height >= bmpHeight ) |
| 1726 | height = bmpHeight; |
| 1727 | else |
| 1728 | { |
| 1729 | numDIB = bmpHeight / height; |
| 1730 | hRemain = bmpHeight % height; |
| 1731 | if( hRemain >0 ) numDIB++; |
| 1732 | } |
| 1733 | |
| 1734 | // set bitmap parameters |
| 1735 | wxBitmap bitmap; |
| 1736 | wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") ); |
| 1737 | bitmap.SetWidth( width ); |
| 1738 | bitmap.SetHeight( bmpHeight ); |
| 1739 | bitmap.SetDepth( wxDisplayDepth() ); |
| 1740 | |
| 1741 | // create a DIB header |
| 1742 | int headersize = sizeof(BITMAPINFOHEADER); |
| 1743 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); |
| 1744 | wxCHECK_MSG( lpDIBh, bitmap, wxT("could not allocate memory for DIB header") ); |
| 1745 | // Fill in the DIB header |
| 1746 | lpDIBh->bmiHeader.biSize = headersize; |
| 1747 | lpDIBh->bmiHeader.biWidth = (DWORD)width; |
| 1748 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 1749 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 1750 | // the general formula for biSizeImage: |
| 1751 | // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height; |
| 1752 | lpDIBh->bmiHeader.biPlanes = 1; |
| 1753 | lpDIBh->bmiHeader.biBitCount = 24; |
| 1754 | lpDIBh->bmiHeader.biCompression = BI_RGB; |
| 1755 | lpDIBh->bmiHeader.biClrUsed = 0; |
| 1756 | // These seem not really needed for our purpose here. |
| 1757 | lpDIBh->bmiHeader.biClrImportant = 0; |
| 1758 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; |
| 1759 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; |
| 1760 | // memory for DIB data |
| 1761 | unsigned char *lpBits; |
| 1762 | lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); |
| 1763 | if( !lpBits ) |
| 1764 | { |
| 1765 | wxFAIL_MSG( wxT("could not allocate memory for DIB") ); |
| 1766 | free( lpDIBh ); |
| 1767 | return bitmap; |
| 1768 | } |
| 1769 | |
| 1770 | // create and set the device-dependent bitmap |
| 1771 | HDC hdc = ::GetDC(NULL); |
| 1772 | HDC memdc = ::CreateCompatibleDC( hdc ); |
| 1773 | HBITMAP hbitmap; |
| 1774 | hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight ); |
| 1775 | ::SelectObject( memdc, hbitmap); |
| 1776 | |
| 1777 | // copy image data into DIB data and then into DDB (in a loop) |
| 1778 | unsigned char *data = GetData(); |
| 1779 | int i, j, n; |
| 1780 | int origin = 0; |
| 1781 | unsigned char *ptdata = data; |
| 1782 | unsigned char *ptbits; |
| 1783 | |
| 1784 | for( n=0; n<numDIB; n++ ) |
| 1785 | { |
| 1786 | if( numDIB > 1 && n == numDIB-1 && hRemain > 0 ) |
| 1787 | { |
| 1788 | // redefine height and size of the (possibly) last smaller DIB |
| 1789 | // memory is not reallocated |
| 1790 | height = hRemain; |
| 1791 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 1792 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 1793 | } |
| 1794 | ptbits = lpBits; |
| 1795 | |
| 1796 | for( j=0; j<height; j++ ) |
| 1797 | { |
| 1798 | for( i=0; i<width; i++ ) |
| 1799 | { |
| 1800 | *(ptbits++) = *(ptdata+2); |
| 1801 | *(ptbits++) = *(ptdata+1); |
| 1802 | *(ptbits++) = *(ptdata ); |
| 1803 | ptdata += 3; |
| 1804 | } |
| 1805 | for( i=0; i< padding; i++ ) *(ptbits++) = 0; |
| 1806 | } |
| 1807 | ::StretchDIBits( memdc, 0, origin, width, height,\ |
| 1808 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
| 1809 | origin += height; |
| 1810 | // if numDIB = 1, lines below can also be used |
| 1811 | // hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 1812 | // The above line is equivalent to the following two lines. |
| 1813 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); |
| 1814 | // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS); |
| 1815 | // or the following lines |
| 1816 | // hbitmap = ::CreateCompatibleBitmap( hdc, width, height ); |
| 1817 | // HDC memdc = ::CreateCompatibleDC( hdc ); |
| 1818 | // ::SelectObject( memdc, hbitmap); |
| 1819 | // ::SetDIBitsToDevice( memdc, 0, 0, width, height, |
| 1820 | // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS); |
| 1821 | // ::SelectObject( memdc, 0 ); |
| 1822 | // ::DeleteDC( memdc ); |
| 1823 | } |
| 1824 | bitmap.SetHBITMAP( (WXHBITMAP) hbitmap ); |
| 1825 | |
| 1826 | // similarly, created an mono-bitmap for the possible mask |
| 1827 | if( HasMask() ) |
| 1828 | { |
| 1829 | hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); |
| 1830 | ::SelectObject( memdc, hbitmap); |
| 1831 | if( numDIB == 1 ) height = bmpHeight; |
| 1832 | else height = sizeLimit/bytePerLine; |
| 1833 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 1834 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 1835 | origin = 0; |
| 1836 | unsigned char r = GetMaskRed(); |
| 1837 | unsigned char g = GetMaskGreen(); |
| 1838 | unsigned char b = GetMaskBlue(); |
| 1839 | unsigned char zero = 0, one = 255; |
| 1840 | ptdata = data; |
| 1841 | for( n=0; n<numDIB; n++ ) |
| 1842 | { |
| 1843 | if( numDIB > 1 && n == numDIB - 1 && hRemain > 0 ) |
| 1844 | { |
| 1845 | // redefine height and size of the (possibly) last smaller DIB |
| 1846 | // memory is not reallocated |
| 1847 | height = hRemain; |
| 1848 | lpDIBh->bmiHeader.biHeight = (DWORD)(-height); |
| 1849 | lpDIBh->bmiHeader.biSizeImage = bytePerLine*height; |
| 1850 | } |
| 1851 | ptbits = lpBits; |
| 1852 | for( int j=0; j<height; j++ ) |
| 1853 | { |
| 1854 | for(i=0; i<width; i++ ) |
| 1855 | { |
| 1856 | if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) ) |
| 1857 | { |
| 1858 | *(ptbits++) = one; |
| 1859 | *(ptbits++) = one; |
| 1860 | *(ptbits++) = one; |
| 1861 | } |
| 1862 | else |
| 1863 | { |
| 1864 | *(ptbits++) = zero; |
| 1865 | *(ptbits++) = zero; |
| 1866 | *(ptbits++) = zero; |
| 1867 | } |
| 1868 | } |
| 1869 | for( i=0; i< padding; i++ ) *(ptbits++) = zero; |
| 1870 | } |
| 1871 | ::StretchDIBits( memdc, 0, origin, width, height,\ |
| 1872 | 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY); |
| 1873 | origin += height; |
| 1874 | } |
| 1875 | // create a wxMask object |
| 1876 | wxMask *mask = new wxMask(); |
| 1877 | mask->SetMaskBitmap( (WXHBITMAP) hbitmap ); |
| 1878 | bitmap.SetMask( mask ); |
| 1879 | } |
| 1880 | |
| 1881 | // free allocated resources |
| 1882 | ::SelectObject( memdc, 0 ); |
| 1883 | ::DeleteDC( memdc ); |
| 1884 | ::ReleaseDC(NULL, hdc); |
| 1885 | free(lpDIBh); |
| 1886 | free(lpBits); |
| 1887 | |
| 1888 | // check the wxBitmap object |
| 1889 | if( bitmap.GetHBITMAP() ) |
| 1890 | bitmap.SetOk( TRUE ); |
| 1891 | else |
| 1892 | bitmap.SetOk( FALSE ); |
| 1893 | */ |
| 1894 | return bitmap; |
| 1895 | } |
| 1896 | |
| 1897 | wxImage::wxImage( const wxBitmap &bitmap ) |
| 1898 | { |
| 1899 | // check the bitmap |
| 1900 | if( !bitmap.Ok() ) |
| 1901 | { |
| 1902 | wxFAIL_MSG( wxT("invalid bitmap") ); |
| 1903 | return; |
| 1904 | } |
| 1905 | |
| 1906 | // create an wxImage object |
| 1907 | int width = bitmap.GetWidth(); |
| 1908 | int height = bitmap.GetHeight(); |
| 1909 | Create( width, height ); |
| 1910 | unsigned char *data = GetData(); |
| 1911 | if( !data ) |
| 1912 | { |
| 1913 | wxFAIL_MSG( wxT("could not allocate data for image") ); |
| 1914 | return; |
| 1915 | } |
| 1916 | |
| 1917 | // calc the number of bytes per scanline and padding in the DIB |
| 1918 | int bytePerLine = width*3; |
| 1919 | int sizeDWORD = sizeof( DWORD ); |
| 1920 | int lineBoundary = bytePerLine % sizeDWORD; |
| 1921 | int padding = 0; |
| 1922 | if( lineBoundary > 0 ) |
| 1923 | { |
| 1924 | padding = sizeDWORD - lineBoundary; |
| 1925 | bytePerLine += padding; |
| 1926 | } |
| 1927 | // TODO: |
| 1928 | /* |
| 1929 | // create a DIB header |
| 1930 | int headersize = sizeof(BITMAPINFOHEADER); |
| 1931 | LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); |
| 1932 | if( !lpDIBh ) |
| 1933 | { |
| 1934 | wxFAIL_MSG( wxT("could not allocate data for DIB header") ); |
| 1935 | free( data ); |
| 1936 | return; |
| 1937 | } |
| 1938 | // Fill in the DIB header |
| 1939 | lpDIBh->bmiHeader.biSize = headersize; |
| 1940 | lpDIBh->bmiHeader.biWidth = width; |
| 1941 | lpDIBh->bmiHeader.biHeight = -height; |
| 1942 | lpDIBh->bmiHeader.biSizeImage = bytePerLine * height; |
| 1943 | lpDIBh->bmiHeader.biPlanes = 1; |
| 1944 | lpDIBh->bmiHeader.biBitCount = 24; |
| 1945 | lpDIBh->bmiHeader.biCompression = BI_RGB; |
| 1946 | lpDIBh->bmiHeader.biClrUsed = 0; |
| 1947 | // These seem not really needed for our purpose here. |
| 1948 | lpDIBh->bmiHeader.biClrImportant = 0; |
| 1949 | lpDIBh->bmiHeader.biXPelsPerMeter = 0; |
| 1950 | lpDIBh->bmiHeader.biYPelsPerMeter = 0; |
| 1951 | // memory for DIB data |
| 1952 | unsigned char *lpBits; |
| 1953 | lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); |
| 1954 | if( !lpBits ) |
| 1955 | { |
| 1956 | wxFAIL_MSG( wxT("could not allocate data for DIB") ); |
| 1957 | free( data ); |
| 1958 | free( lpDIBh ); |
| 1959 | return; |
| 1960 | } |
| 1961 | |
| 1962 | // copy data from the device-dependent bitmap to the DIB |
| 1963 | HDC hdc = ::GetDC(NULL); |
| 1964 | HBITMAP hbitmap; |
| 1965 | hbitmap = (HBITMAP) bitmap.GetHBITMAP(); |
| 1966 | ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 1967 | |
| 1968 | // copy DIB data into the wxImage object |
| 1969 | int i, j; |
| 1970 | unsigned char *ptdata = data; |
| 1971 | unsigned char *ptbits = lpBits; |
| 1972 | for( i=0; i<height; i++ ) |
| 1973 | { |
| 1974 | for( j=0; j<width; j++ ) |
| 1975 | { |
| 1976 | *(ptdata++) = *(ptbits+2); |
| 1977 | *(ptdata++) = *(ptbits+1); |
| 1978 | *(ptdata++) = *(ptbits ); |
| 1979 | ptbits += 3; |
| 1980 | } |
| 1981 | ptbits += padding; |
| 1982 | } |
| 1983 | |
| 1984 | // similarly, set data according to the possible mask bitmap |
| 1985 | if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() ) |
| 1986 | { |
| 1987 | hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap(); |
| 1988 | // memory DC created, color set, data copied, and memory DC deleted |
| 1989 | HDC memdc = ::CreateCompatibleDC( hdc ); |
| 1990 | ::SetTextColor( memdc, RGB( 0, 0, 0 ) ); |
| 1991 | ::SetBkColor( memdc, RGB( 255, 255, 255 ) ); |
| 1992 | ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS ); |
| 1993 | ::DeleteDC( memdc ); |
| 1994 | // background color set to RGB(16,16,16) in consistent with wxGTK |
| 1995 | unsigned char r=16, g=16, b=16; |
| 1996 | ptdata = data; |
| 1997 | ptbits = lpBits; |
| 1998 | for( i=0; i<height; i++ ) |
| 1999 | { |
| 2000 | for( j=0; j<width; j++ ) |
| 2001 | { |
| 2002 | if( *ptbits != 0 ) |
| 2003 | ptdata += 3; |
| 2004 | else |
| 2005 | { |
| 2006 | *(ptdata++) = r; |
| 2007 | *(ptdata++) = g; |
| 2008 | *(ptdata++) = b; |
| 2009 | } |
| 2010 | ptbits += 3; |
| 2011 | } |
| 2012 | ptbits += padding; |
| 2013 | } |
| 2014 | SetMaskColour( r, g, b ); |
| 2015 | SetMask( TRUE ); |
| 2016 | } |
| 2017 | else |
| 2018 | { |
| 2019 | SetMask( FALSE ); |
| 2020 | } |
| 2021 | // free allocated resources |
| 2022 | ::ReleaseDC(NULL, hdc); |
| 2023 | free(lpDIBh); |
| 2024 | free(lpBits); |
| 2025 | */ |
| 2026 | } |
| 2027 | |
| 2028 | #endif |
| 2029 | |
| 2030 | // A module to allow wxImage initialization/cleanup |
| 2031 | // without calling these functions from app.cpp or from |
| 2032 | // the user's application. |
| 2033 | |
| 2034 | class wxImageModule: public wxModule |
| 2035 | { |
| 2036 | DECLARE_DYNAMIC_CLASS(wxImageModule) |
| 2037 | public: |
| 2038 | wxImageModule() {} |
| 2039 | bool OnInit() { wxImage::InitStandardHandlers(); return TRUE; }; |
| 2040 | void OnExit() { wxImage::CleanUpHandlers(); }; |
| 2041 | }; |
| 2042 | |
| 2043 | IMPLEMENT_DYNAMIC_CLASS(wxImageModule, wxModule) |