src/mac/carbon/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.cpp
   3 // Purpose:     wxBitmap
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "bitmap.h"
  14 #endif
  15
  16 #include "wx/setup.h"
  17 #include "wx/utils.h"
  18 #include "wx/palette.h"
  19 #include "wx/bitmap.h"
  20 #include "wx/icon.h"
  21 #include "wx/log.h"
  22
  23 extern "C"
  24 {
  25         #include "xpm.h"
  26 } ;
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
  29 IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
  30
  31 #include <PictUtils.h>
  32
  33 CTabHandle wxMacCreateColorTable( int numColors )
  34 {
  35         CTabHandle newColors; /* Handle to the new color table */
  36         short index; /* Index into the table of colors */
  37         /* Allocate memory for the color table */
  38         newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
  39         sizeof (ColorSpec) * (numColors - 1) );
  40         if (newColors != nil)
  41         {
  42                 /* Initialize the fields */
  43                 (**newColors).ctSeed = GetCTSeed();
  44                 (**newColors).ctFlags = 0;
  45                 (**newColors).ctSize = numColors - 1;
  46                 /* Initialize the table of colors */
  47         }
  48         return newColors ;
  49 }
  50
  51 void wxMacDestroyColorTable( CTabHandle colors )
  52 {
  53         DisposeHandle( (Handle) colors ) ;
  54 }
  55
  56 void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green ,  int blue )
  57 {
  58         (**newColors).ctTable[index].value = index;
  59         (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue;
  60         (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue;
  61         (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue;
  62 }
  63
  64 GWorldPtr wxMacCreateGWorld( int height , int width , int depth )
  65 {
  66         OSErr err = noErr ;
  67         GWorldPtr port ;
  68         Rect rect = { 0 , 0 , width , height } ;
  69
  70         if ( depth < 0 )
  71         {
  72                 // get max pixel depth
  73                 CGrafPtr port ;
  74                 GetCWMgrPort( &port ) ;
  75                 GDHandle maxDevice ;
  76
  77                 maxDevice = GetMaxDevice( &port->portRect ) ;
  78                 if ( maxDevice )
  79                         depth = (**((**maxDevice).gdPMap)).pixelSize ;
  80                 else
  81                         depth = 8 ;
  82         }
  83
  84         err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
  85         if ( err == noErr )
  86         {
  87                 return port ;
  88         }
  89         return NULL ;
  90 }
  91
  92 void wxMacDestroyGWorld( GWorldPtr gw )
  93 {
  94         if ( gw )
  95                 DisposeGWorld( gw ) ;
  96 }
  97
  98 wxBitmapRefData::wxBitmapRefData()
  99 {
 100     m_ok = FALSE;
 101     m_width = 0;
 102     m_height = 0;
 103     m_depth = 0;
 104     m_quality = 0;
 105     m_numColors = 0;
 106     m_bitmapMask = NULL;
 107                 m_hBitmap = NULL ;
 108                 m_hPict = NULL ;
 109                 m_bitmapType = kMacBitmapTypeUnknownType ;
 110 }
 111
 112 wxBitmapRefData::~wxBitmapRefData()
 113 {
 114         switch (m_bitmapType)
 115         {
 116                 case kMacBitmapTypePict :
 117                         {
 118                                 if ( m_hPict )
 119                                 {
 120                                         KillPicture( m_hPict ) ;
 121                                         m_hPict = NULL ;
 122                                 }
 123                         }
 124                         break ;
 125                 case kMacBitmapTypeGrafWorld :
 126                         {
 127                                 if ( m_hBitmap )
 128                                 {
 129                                         wxMacDestroyGWorld( m_hBitmap ) ;
 130                                         m_hBitmap = NULL ;
 131                                 }
 132                         }
 133                         break ;
 134                 default :
 135                         // unkown type ?
 136                         break ;
 137         } ;
 138
 139   if (m_bitmapMask)
 140   {
 141     delete m_bitmapMask;
 142     m_bitmapMask = NULL;
 143   }
 144 }
 145
 146 wxList wxBitmap::sm_handlers;
 147
 148 wxBitmap::wxBitmap()
 149 {
 150     m_refData = NULL;
 151
 152     if ( wxTheBitmapList )
 153         wxTheBitmapList->AddBitmap(this);
 154 }
 155
 156 wxBitmap::~wxBitmap()
 157 {
 158     if (wxTheBitmapList)
 159         wxTheBitmapList->DeleteObject(this);
 160 }
 161
 162 wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
 163 {
 164     m_refData = new wxBitmapRefData;
 165
 166     M_BITMAPDATA->m_width = the_width ;
 167     M_BITMAPDATA->m_height = the_height ;
 168     M_BITMAPDATA->m_depth = no_bits ;
 169     M_BITMAPDATA->m_numColors = 0;
 170                 if ( no_bits == 1 )
 171                 {
 172             M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 173             M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
 174                         M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 175
 176                         CGrafPtr        origPort ;
 177                         GDHandle        origDevice ;
 178
 179                         GetGWorld( &origPort , &origDevice ) ;
 180                         SetGWorld( M_BITMAPDATA->m_hBitmap , NULL ) ;
 181
 182                         // bits is a word aligned array
 183
 184                         unsigned char* linestart = (unsigned char*) bits ;
 185                         int linesize = ( the_width / 16 ) * 2  ;
 186                         if ( the_width % 16 )
 187                         {
 188                                 linesize += 2 ;
 189                         } ;
 190
 191                         RGBColor colors[2] = {
 192                                 { 0xFFFF , 0xFFFF , 0xFFFF } ,
 193                                 { 0, 0 , 0 }
 194                                 } ;
 195
 196                         for( int y = 0 ; y < the_height ; ++y , linestart += linesize )
 197                         {
 198                                 for( int x = 0 ; x < the_width ; ++x )
 199                                 {
 200                                         int index = x / 8 ;
 201                                         int bit = x % 8 ;
 202                                         int mask = 1 << bit ;
 203                                         if ( linestart[index] & mask )
 204                                         {
 205                                                 SetCPixel( x , y , &colors[1] ) ;
 206                                         }
 207                                         else
 208                                         {
 209                                                 SetCPixel( x , y , &colors[0] ) ;
 210                                         }
 211                                 }
 212
 213                         }
 214
 215                 SetGWorld( origPort , origDevice ) ;
 216            }
 217            else
 218            {
 219                                 //multicolor BITMAPs not yet implemented
 220            }
 221
 222     if ( wxTheBitmapList )
 223         wxTheBitmapList->AddBitmap(this);
 224 }
 225
 226 wxBitmap::wxBitmap(int w, int h, int d)
 227 {
 228     (void)Create(w, h, d);
 229
 230     if ( wxTheBitmapList )
 231         wxTheBitmapList->AddBitmap(this);
 232 }
 233
 234 wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth)
 235 {
 236     (void) Create(data, type, width, height, depth);
 237
 238     if ( wxTheBitmapList )
 239         wxTheBitmapList->AddBitmap(this);
 240 }
 241
 242 wxBitmap::wxBitmap(const wxString& filename, long type)
 243 {
 244     LoadFile(filename, (int)type);
 245
 246     if ( wxTheBitmapList )
 247         wxTheBitmapList->AddBitmap(this);
 248 }
 249
 250 wxBitmap::wxBitmap(const char **data)
 251 {
 252     (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
 253 }
 254
 255 bool wxBitmap::Create(int w, int h, int d)
 256 {
 257     UnRef();
 258
 259     m_refData = new wxBitmapRefData;
 260
 261     M_BITMAPDATA->m_width = w;
 262     M_BITMAPDATA->m_height = h;
 263     M_BITMAPDATA->m_depth = d;
 264
 265     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 266     M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ;
 267                 M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 268     return M_BITMAPDATA->m_ok;
 269 }
 270
 271 void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
 272 {
 273     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 274     M_BITMAPDATA->m_hBitmap = bmp ;
 275                 M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 276 }
 277
 278 bool wxBitmap::LoadFile(const wxString& filename, long type)
 279 {
 280     UnRef();
 281
 282     m_refData = new wxBitmapRefData;
 283
 284     wxBitmapHandler *handler = FindHandler(type);
 285
 286     if ( handler == NULL ) {
 287         wxLogWarning("no bitmap handler for type %d defined.", type);
 288
 289         return FALSE;
 290     }
 291
 292     return handler->LoadFile(this, filename, type, -1, -1);
 293 }
 294
 295 bool wxBitmap::Create(void *data, long type, int width, int height, int depth)
 296 {
 297     UnRef();
 298
 299     m_refData = new wxBitmapRefData;
 300
 301     wxBitmapHandler *handler = FindHandler(type);
 302
 303     if ( handler == NULL ) {
 304         wxLogWarning("no bitmap handler for type %d defined.", type);
 305
 306         return FALSE;
 307     }
 308
 309     return handler->Create(this, data, type, width, height, depth);
 310 }
 311
 312 bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette)
 313 {
 314     wxBitmapHandler *handler = FindHandler(type);
 315
 316     if ( handler == NULL ) {
 317         wxLogWarning("no bitmap handler for type %d defined.", type);
 318
 319         return FALSE;
 320   }
 321
 322   return handler->SaveFile(this, filename, type, palette);
 323 }
 324
 325 void wxBitmap::SetWidth(int w)
 326 {
 327     if (!M_BITMAPDATA)
 328         m_refData = new wxBitmapRefData;
 329
 330     M_BITMAPDATA->m_width = w;
 331 }
 332
 333 void wxBitmap::SetHeight(int h)
 334 {
 335     if (!M_BITMAPDATA)
 336         m_refData = new wxBitmapRefData;
 337
 338     M_BITMAPDATA->m_height = h;
 339 }
 340
 341 void wxBitmap::SetDepth(int d)
 342 {
 343     if (!M_BITMAPDATA)
 344         m_refData = new wxBitmapRefData;
 345
 346     M_BITMAPDATA->m_depth = d;
 347 }
 348
 349 void wxBitmap::SetQuality(int q)
 350 {
 351     if (!M_BITMAPDATA)
 352         m_refData = new wxBitmapRefData;
 353
 354     M_BITMAPDATA->m_quality = q;
 355 }
 356
 357 void wxBitmap::SetOk(bool isOk)
 358 {
 359     if (!M_BITMAPDATA)
 360         m_refData = new wxBitmapRefData;
 361
 362     M_BITMAPDATA->m_ok = isOk;
 363 }
 364
 365 void wxBitmap::SetPalette(const wxPalette& palette)
 366 {
 367     if (!M_BITMAPDATA)
 368         m_refData = new wxBitmapRefData;
 369
 370     M_BITMAPDATA->m_bitmapPalette = palette ;
 371 }
 372
 373 void wxBitmap::SetMask(wxMask *mask)
 374 {
 375     if (!M_BITMAPDATA)
 376         m_refData = new wxBitmapRefData;
 377
 378     M_BITMAPDATA->m_bitmapMask = mask ;
 379 }
 380
 381 void wxBitmap::AddHandler(wxBitmapHandler *handler)
 382 {
 383     sm_handlers.Append(handler);
 384 }
 385
 386 void wxBitmap::InsertHandler(wxBitmapHandler *handler)
 387 {
 388     sm_handlers.Insert(handler);
 389 }
 390
 391 bool wxBitmap::RemoveHandler(const wxString& name)
 392 {
 393     wxBitmapHandler *handler = FindHandler(name);
 394     if ( handler )
 395     {
 396         sm_handlers.DeleteObject(handler);
 397         return TRUE;
 398     }
 399     else
 400         return FALSE;
 401 }
 402
 403 wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
 404 {
 405     wxNode *node = sm_handlers.First();
 406     while ( node )
 407     {
 408         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 409         if ( handler->GetName() == name )
 410             return handler;
 411         node = node->Next();
 412     }
 413     return NULL;
 414 }
 415
 416 wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType)
 417 {
 418     wxNode *node = sm_handlers.First();
 419     while ( node )
 420     {
 421         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 422         if ( handler->GetExtension() == extension &&
 423                     (bitmapType == -1 || handler->GetType() == bitmapType) )
 424             return handler;
 425         node = node->Next();
 426     }
 427     return NULL;
 428 }
 429
 430 wxBitmapHandler *wxBitmap::FindHandler(long bitmapType)
 431 {
 432     wxNode *node = sm_handlers.First();
 433     while ( node )
 434     {
 435         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 436         if (handler->GetType() == bitmapType)
 437             return handler;
 438         node = node->Next();
 439     }
 440     return NULL;
 441 }
 442
 443 /*
 444  * wxMask
 445  */
 446
 447 wxMask::wxMask()
 448 {
 449     m_maskBitmap = 0;
 450 }
 451
 452 // Construct a mask from a bitmap and a colour indicating
 453 // the transparent area
 454 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 455 {
 456     m_maskBitmap = 0;
 457     Create(bitmap, colour);
 458 }
 459
 460 // Construct a mask from a bitmap and a palette index indicating
 461 // the transparent area
 462 wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
 463 {
 464     m_maskBitmap = 0;
 465     Create(bitmap, paletteIndex);
 466 }
 467
 468 // Construct a mask from a mono bitmap (copies the bitmap).
 469 wxMask::wxMask(const wxBitmap& bitmap)
 470 {
 471     m_maskBitmap = 0;
 472     Create(bitmap);
 473 }
 474
 475 wxMask::~wxMask()
 476 {
 477         if ( m_maskBitmap )
 478         {
 479                 wxMacDestroyGWorld( m_maskBitmap ) ;
 480                 m_maskBitmap = NULL ;
 481         }
 482 }
 483
 484 // Create a mask from a mono bitmap (copies the bitmap).
 485 bool wxMask::Create(const wxBitmap& bitmap)
 486 {
 487 // TODO
 488     return FALSE;
 489 }
 490
 491 // Create a mask from a bitmap and a palette index indicating
 492 // the transparent area
 493 bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
 494 {
 495 // TODO
 496     return FALSE;
 497 }
 498
 499 // Create a mask from a bitmap and a colour indicating
 500 // the transparent area
 501 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 502 {
 503         if ( m_maskBitmap )
 504         {
 505                 wxMacDestroyGWorld( m_maskBitmap ) ;
 506                 m_maskBitmap = NULL ;
 507         }
 508         wxASSERT( ((wxBitmapRefData*) bitmap.GetRefData())->m_bitmapType == kMacBitmapTypeGrafWorld ) ;
 509         // other types would require a temporary bitmap. not yet implemented
 510
 511     if (!bitmap.Ok())
 512     {
 513         return FALSE;
 514     }
 515
 516         m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 ) ;
 517         RGBColor maskColor = colour.GetPixel() ;
 518
 519     // this is not very efficient, but I can't think
 520     // of a better way of doing it
 521         CGrafPtr        origPort ;
 522         GDHandle        origDevice ;
 523
 524         GetGWorld( &origPort , &origDevice ) ;
 525         for (int w = 0; w < bitmap.GetWidth(); w++)
 526     {
 527         for (int h = 0; h < bitmap.GetHeight(); h++)
 528         {
 529                         RGBColor colors[2] = {
 530                                 { 0xFFFF , 0xFFFF , 0xFFFF } ,
 531                                 { 0, 0 , 0 }
 532                                 } ;
 533
 534                         SetGWorld( ((wxBitmapRefData*) bitmap.GetRefData())->m_hBitmap , NULL ) ;
 535                         RGBColor col ;
 536                         GetCPixel( w , h , &col ) ;
 537                         SetGWorld( m_maskBitmap , NULL ) ;
 538             if (col.red == maskColor.red && col.blue == maskColor.blue && col.green == maskColor.green)
 539             {
 540                                 SetCPixel( w , h , &colors[0] ) ;
 541             }
 542             else
 543             {
 544                                 SetCPixel( w , h , &colors[1] ) ;
 545             }
 546         }
 547     }
 548         SetGWorld( origPort , origDevice ) ;
 549
 550     return TRUE;
 551 }
 552
 553 /*
 554  * wxBitmapHandler
 555  */
 556
 557 IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
 558
 559 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
 560 {
 561     return FALSE;
 562 }
 563
 564 bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type,
 565         int desiredWidth, int desiredHeight)
 566 {
 567     return FALSE;
 568 }
 569
 570 bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
 571 {
 572     return FALSE;
 573 }
 574
 575 /*
 576  * Standard handlers
 577  */
 578
 579 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 580 {
 581     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
 582 public:
 583     inline wxPICTResourceHandler()
 584     {
 585         m_name = "Macintosh Pict resource";
 586         m_extension = "";
 587         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
 588     };
 589
 590     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 591           int desiredWidth, int desiredHeight);
 592 };
 593 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 594
 595 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 596           int desiredWidth, int desiredHeight)
 597 {
 598         Str255 theName ;
 599
 600         strcpy( (char*) theName , name ) ;
 601         c2pstr( (char*) theName ) ;
 602
 603         PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
 604         if ( thePict )
 605         {
 606                 PictInfo theInfo ;
 607
 608                 GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
 609                 DetachResource( (Handle) thePict ) ;
 610                 M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
 611                 M_BITMAPHANDLERDATA->m_hPict = thePict ;
 612                 M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
 613                 M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
 614
 615                 M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
 616                 M_BITMAPHANDLERDATA->m_ok = true ;
 617                 M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
 618 //              M_BITMAPHANDLERDATA->m_bitmapPalette;
 619 //              M_BITMAPHANDLERDATA->m_quality;
 620                 return TRUE ;
 621         }
 622         return FALSE ;
 623 }
 624
 625 /* TODO: bitmap handlers, a bit like this:
 626 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
 627 {
 628     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
 629 public:
 630     inline wxBMPResourceHandler()
 631     {
 632         m_name = "Windows bitmap resource";
 633         m_extension = "";
 634         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
 635     };
 636
 637     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 638           int desiredWidth, int desiredHeight);
 639 };
 640 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
 641 */
 642
 643 class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler
 644 {
 645   DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
 646 public:
 647   inline wxXPMFileHandler(void)
 648   {
 649   m_name = "XPM bitmap file";
 650   m_extension = "xpm";
 651   m_type = wxBITMAP_TYPE_XPM;
 652   };
 653
 654   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 655     int desiredWidth = -1, int desiredHeight = -1);
 656   virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
 657 };
 658 IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
 659
 660 bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 661     int desiredWidth, int desiredHeight)
 662 {
 663 #if USE_XPM_IN_MSW
 664     XImage *ximage;
 665     XpmAttributes xpmAttr;
 666     HDC     dc;
 667
 668     M_BITMAPHANDLERDATA->m_ok = FALSE;
 669     dc = CreateCompatibleDC(NULL);
 670     if (dc)
 671     {
 672       xpmAttr.valuemask = XpmReturnPixels;
 673       int errorStatus = XpmReadFileToImage(&dc, WXSTRINGCAST name, &ximage, (XImage **) NULL, &xpmAttr);
 674       DeleteDC(dc);
 675       if (errorStatus == XpmSuccess)
 676       {
 677         M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ximage->bitmap;
 678
 679         BITMAP  bm;
 680         GetObject((HBITMAP)M_BITMAPHANDLERDATA->m_hBitmap, sizeof(bm), (LPSTR) & bm);
 681
 682         M_BITMAPHANDLERDATA->m_width = (bm.bmWidth);
 683         M_BITMAPHANDLERDATA->m_height = (bm.bmHeight);
 684         M_BITMAPHANDLERDATA->m_depth = (bm.bmPlanes * bm.bmBitsPixel);
 685         M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
 686         XpmFreeAttributes(&xpmAttr);
 687         XImageFree(ximage);
 688
 689         M_BITMAPHANDLERDATA->m_ok = TRUE;
 690         return TRUE;
 691       }
 692       else
 693       {
 694         M_BITMAPHANDLERDATA->m_ok = FALSE;
 695         return FALSE;
 696       }
 697     }
 698 #endif
 699
 700     return FALSE;
 701 }
 702
 703 bool wxXPMFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
 704 {
 705 #if USE_XPM_IN_MSW
 706       HDC     dc = NULL;
 707
 708       Visual *visual = NULL;
 709       XImage  ximage;
 710
 711       dc = CreateCompatibleDC(NULL);
 712       if (dc)
 713       {
 714         if (SelectObject(dc, (HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap))
 715         { /* for following SetPixel */
 716           /* fill the XImage struct 'by hand' */
 717     ximage.width = M_BITMAPHANDLERDATA->m_width;
 718      ximage.height = M_BITMAPHANDLERDATA->m_height;
 719     ximage.depth = M_BITMAPHANDLERDATA->m_depth;
 720      ximage.bitmap = (void *)M_BITMAPHANDLERDATA->m_hBitmap;
 721     int errorStatus = XpmWriteFileFromImage(&dc, WXSTRINGCAST name,
 722               &ximage, (XImage *) NULL, (XpmAttributes *) NULL);
 723
 724           if (dc)
 725       DeleteDC(dc);
 726
 727     if (errorStatus == XpmSuccess)
 728       return TRUE;    /* no error */
 729     else
 730       return FALSE;
 731         } else return FALSE;
 732       } else return FALSE;
 733 #else
 734   return FALSE;
 735 #endif
 736 }
 737
 738
 739 class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler
 740 {
 741   DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
 742 public:
 743   inline wxXPMDataHandler(void)
 744   {
 745   m_name = "XPM bitmap data";
 746   m_extension = "xpm";
 747   m_type = wxBITMAP_TYPE_XPM_DATA;
 748   };
 749
 750   virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
 751 };
 752 IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
 753
 754 bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth)
 755 {
 756                 XImage *                ximage;
 757         int                     ErrorStatus;
 758         XpmAttributes   xpmAttr;
 759
 760     xpmAttr.valuemask = XpmReturnInfos; // get infos back
 761     ErrorStatus = XpmCreateImageFromData( GetMainDevice() , (char **)data,
 762          &ximage, (XImage **) NULL, &xpmAttr);
 763
 764     if (ErrorStatus == XpmSuccess)
 765     {
 766                         M_BITMAPHANDLERDATA->m_ok = FALSE;
 767                         M_BITMAPHANDLERDATA->m_numColors = 0;
 768                         M_BITMAPHANDLERDATA->m_hBitmap = ximage->gworldptr ;
 769
 770                         M_BITMAPHANDLERDATA->m_width = ximage->width;
 771                         M_BITMAPHANDLERDATA->m_height = ximage->height;
 772                         M_BITMAPHANDLERDATA->m_depth = ximage->depth;
 773                         M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
 774         XpmFreeAttributes(&xpmAttr);
 775             M_BITMAPHANDLERDATA->m_ok = TRUE;
 776                         ximage->gworldptr = NULL ;
 777                         XImageFree(ximage); // releases the malloc, but does not detroy
 778                                   // the bitmap
 779                         M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 780
 781                         return TRUE;
 782     }
 783     else
 784     {
 785       M_BITMAPHANDLERDATA->m_ok = FALSE;
 786       return FALSE;
 787     }
 788   return FALSE;
 789 }
 790
 791 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
 792 {
 793     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
 794 public:
 795     inline wxBMPResourceHandler()
 796     {
 797         m_name = "Windows bitmap resource";
 798         m_extension = "";
 799         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
 800     };
 801
 802     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 803           int desiredWidth, int desiredHeight);
 804 };
 805
 806 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
 807
 808 bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 809     int desiredWidth, int desiredHeight)
 810 {
 811     // TODO: load colourmap.
 812 /*
 813     M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ::LoadBitmap(wxGetInstance(), name);
 814     if (M_BITMAPHANDLERDATA->m_hBitmap)
 815     {
 816       M_BITMAPHANDLERDATA->m_ok = TRUE;
 817       BITMAP bm;
 818       GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(BITMAP), (LPSTR) &bm);
 819       M_BITMAPHANDLERDATA->m_width = bm.bmWidth;
 820       M_BITMAPHANDLERDATA->m_height = bm.bmHeight;
 821       M_BITMAPHANDLERDATA->m_depth = bm.bmBitsPixel;
 822       return TRUE;
 823     }
 824 */
 825   // it's probably not found
 826   wxLogError("Can't load bitmap '%s' from resources! Check .rc file.", name.c_str());
 827
 828   return FALSE;
 829 }
 830
 831 class WXDLLEXPORT wxBMPFileHandler: public wxBitmapHandler
 832 {
 833   DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
 834 public:
 835   inline wxBMPFileHandler(void)
 836   {
 837   m_name = "Windows bitmap file";
 838   m_extension = "bmp";
 839   m_type = wxBITMAP_TYPE_BMP;
 840   };
 841
 842   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 843       int desiredWidth, int desiredHeight);
 844   virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
 845 };
 846
 847 IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
 848
 849 bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 850     int desiredWidth, int desiredHeight)
 851 {
 852 #if USE_IMAGE_LOADING_IN_MSW
 853     wxPalette *palette = NULL;
 854     bool success = FALSE;
 855 /*
 856     if (type & wxBITMAP_DISCARD_COLOURMAP)
 857       success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap);
 858     else
 859 */
 860     success = (wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0);
 861     if (!success && palette)
 862     {
 863       delete palette;
 864       palette = NULL;
 865     }
 866     if (palette)
 867       M_BITMAPHANDLERDATA->m_bitmapPalette = *palette;
 868     return success;
 869 #else
 870   return FALSE;
 871 #endif
 872 }
 873
 874 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal)
 875 {
 876 #if USE_IMAGE_LOADING_IN_MSW
 877     wxPalette *actualPalette = (wxPalette *)pal;
 878     if (!actualPalette && (!M_BITMAPHANDLERDATA->m_bitmapPalette.IsNull()))
 879       actualPalette = & (M_BITMAPHANDLERDATA->m_bitmapPalette);
 880     return (wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0);
 881 #else
 882   return FALSE;
 883 #endif
 884 }
 885
 886
 887
 888 void wxBitmap::CleanUpHandlers()
 889 {
 890     wxNode *node = sm_handlers.First();
 891     while ( node )
 892     {
 893         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 894         wxNode *next = node->Next();
 895         delete handler;
 896         delete node;
 897         node = next;
 898     }
 899 }
 900
 901 void wxBitmap::InitStandardHandlers()
 902 {
 903         AddHandler( new wxPICTResourceHandler ) ;
 904         AddHandler( new wxICONResourceHandler ) ;
 905         AddHandler(new wxXPMFileHandler);
 906   AddHandler(new wxXPMDataHandler);
 907         AddHandler(new wxBMPResourceHandler);
 908         AddHandler(new wxBMPFileHandler);
 909 }