src/mac/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 /* TODO
 450     m_maskBitmap = 0;
 451 */
 452 }
 453
 454 // Construct a mask from a bitmap and a colour indicating
 455 // the transparent area
 456 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 457 {
 458 /* TODO
 459     m_maskBitmap = 0;
 460 */
 461     Create(bitmap, colour);
 462 }
 463
 464 // Construct a mask from a bitmap and a palette index indicating
 465 // the transparent area
 466 wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
 467 {
 468 /* TODO
 469     m_maskBitmap = 0;
 470 */
 471
 472     Create(bitmap, paletteIndex);
 473 }
 474
 475 // Construct a mask from a mono bitmap (copies the bitmap).
 476 wxMask::wxMask(const wxBitmap& bitmap)
 477 {
 478 /* TODO
 479     m_maskBitmap = 0;
 480 */
 481
 482     Create(bitmap);
 483 }
 484
 485 wxMask::~wxMask()
 486 {
 487 // TODO: delete mask bitmap
 488 }
 489
 490 // Create a mask from a mono bitmap (copies the bitmap).
 491 bool wxMask::Create(const wxBitmap& bitmap)
 492 {
 493 // TODO
 494     return FALSE;
 495 }
 496
 497 // Create a mask from a bitmap and a palette index indicating
 498 // the transparent area
 499 bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
 500 {
 501 // TODO
 502     return FALSE;
 503 }
 504
 505 // Create a mask from a bitmap and a colour indicating
 506 // the transparent area
 507 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 508 {
 509 // TODO
 510     return FALSE;
 511 }
 512
 513 /*
 514  * wxBitmapHandler
 515  */
 516
 517 IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
 518
 519 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
 520 {
 521     return FALSE;
 522 }
 523
 524 bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type,
 525         int desiredWidth, int desiredHeight)
 526 {
 527     return FALSE;
 528 }
 529
 530 bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
 531 {
 532     return FALSE;
 533 }
 534
 535 /*
 536  * Standard handlers
 537  */
 538
 539 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
 540 {
 541     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
 542 public:
 543     inline wxPICTResourceHandler()
 544     {
 545         m_name = "Macintosh Pict resource";
 546         m_extension = "";
 547         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
 548     };
 549
 550     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 551           int desiredWidth, int desiredHeight);
 552 };
 553 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
 554
 555 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 556           int desiredWidth, int desiredHeight)
 557 {
 558         Str255 theName ;
 559
 560         strcpy( (char*) theName , name ) ;
 561         c2pstr( (char*) theName ) ;
 562
 563         PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
 564         if ( thePict )
 565         {
 566                 PictInfo theInfo ;
 567
 568                 GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
 569                 DetachResource( (Handle) thePict ) ;
 570                 M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
 571                 M_BITMAPHANDLERDATA->m_hPict = thePict ;
 572                 M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
 573                 M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
 574
 575                 M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
 576                 M_BITMAPHANDLERDATA->m_ok = true ;
 577                 M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
 578 //              M_BITMAPHANDLERDATA->m_bitmapPalette;
 579 //              M_BITMAPHANDLERDATA->m_quality;
 580                 return TRUE ;
 581         }
 582         return FALSE ;
 583 }
 584
 585 /* TODO: bitmap handlers, a bit like this:
 586 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
 587 {
 588     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
 589 public:
 590     inline wxBMPResourceHandler()
 591     {
 592         m_name = "Windows bitmap resource";
 593         m_extension = "";
 594         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
 595     };
 596
 597     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 598           int desiredWidth, int desiredHeight);
 599 };
 600 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
 601 */
 602
 603 class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler
 604 {
 605   DECLARE_DYNAMIC_CLASS(wxXPMFileHandler)
 606 public:
 607   inline wxXPMFileHandler(void)
 608   {
 609   m_name = "XPM bitmap file";
 610   m_extension = "xpm";
 611   m_type = wxBITMAP_TYPE_XPM;
 612   };
 613
 614   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 615     int desiredWidth = -1, int desiredHeight = -1);
 616   virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
 617 };
 618 IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
 619
 620 bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 621     int desiredWidth, int desiredHeight)
 622 {
 623 #if USE_XPM_IN_MSW
 624     XImage *ximage;
 625     XpmAttributes xpmAttr;
 626     HDC     dc;
 627
 628     M_BITMAPHANDLERDATA->m_ok = FALSE;
 629     dc = CreateCompatibleDC(NULL);
 630     if (dc)
 631     {
 632       xpmAttr.valuemask = XpmReturnPixels;
 633       int errorStatus = XpmReadFileToImage(&dc, WXSTRINGCAST name, &ximage, (XImage **) NULL, &xpmAttr);
 634       DeleteDC(dc);
 635       if (errorStatus == XpmSuccess)
 636       {
 637         M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ximage->bitmap;
 638
 639         BITMAP  bm;
 640         GetObject((HBITMAP)M_BITMAPHANDLERDATA->m_hBitmap, sizeof(bm), (LPSTR) & bm);
 641
 642         M_BITMAPHANDLERDATA->m_width = (bm.bmWidth);
 643         M_BITMAPHANDLERDATA->m_height = (bm.bmHeight);
 644         M_BITMAPHANDLERDATA->m_depth = (bm.bmPlanes * bm.bmBitsPixel);
 645         M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
 646         XpmFreeAttributes(&xpmAttr);
 647         XImageFree(ximage);
 648
 649         M_BITMAPHANDLERDATA->m_ok = TRUE;
 650         return TRUE;
 651       }
 652       else
 653       {
 654         M_BITMAPHANDLERDATA->m_ok = FALSE;
 655         return FALSE;
 656       }
 657     }
 658 #endif
 659
 660     return FALSE;
 661 }
 662
 663 bool wxXPMFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
 664 {
 665 #if USE_XPM_IN_MSW
 666       HDC     dc = NULL;
 667
 668       Visual *visual = NULL;
 669       XImage  ximage;
 670
 671       dc = CreateCompatibleDC(NULL);
 672       if (dc)
 673       {
 674         if (SelectObject(dc, (HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap))
 675         { /* for following SetPixel */
 676           /* fill the XImage struct 'by hand' */
 677     ximage.width = M_BITMAPHANDLERDATA->m_width;
 678      ximage.height = M_BITMAPHANDLERDATA->m_height;
 679     ximage.depth = M_BITMAPHANDLERDATA->m_depth;
 680      ximage.bitmap = (void *)M_BITMAPHANDLERDATA->m_hBitmap;
 681     int errorStatus = XpmWriteFileFromImage(&dc, WXSTRINGCAST name,
 682               &ximage, (XImage *) NULL, (XpmAttributes *) NULL);
 683
 684           if (dc)
 685       DeleteDC(dc);
 686
 687     if (errorStatus == XpmSuccess)
 688       return TRUE;    /* no error */
 689     else
 690       return FALSE;
 691         } else return FALSE;
 692       } else return FALSE;
 693 #else
 694   return FALSE;
 695 #endif
 696 }
 697
 698
 699 class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler
 700 {
 701   DECLARE_DYNAMIC_CLASS(wxXPMDataHandler)
 702 public:
 703   inline wxXPMDataHandler(void)
 704   {
 705   m_name = "XPM bitmap data";
 706   m_extension = "xpm";
 707   m_type = wxBITMAP_TYPE_XPM_DATA;
 708   };
 709
 710   virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1);
 711 };
 712 IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
 713
 714 bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth)
 715 {
 716                 XImage *                ximage;
 717         int                     ErrorStatus;
 718         XpmAttributes   xpmAttr;
 719
 720     xpmAttr.valuemask = XpmReturnInfos; // get infos back
 721     ErrorStatus = XpmCreateImageFromData( GetMainDevice() , (char **)data,
 722          &ximage, (XImage **) NULL, &xpmAttr);
 723
 724     if (ErrorStatus == XpmSuccess)
 725     {
 726                         M_BITMAPHANDLERDATA->m_ok = FALSE;
 727                         M_BITMAPHANDLERDATA->m_numColors = 0;
 728                         M_BITMAPHANDLERDATA->m_hBitmap = ximage->gworldptr ;
 729
 730                         M_BITMAPHANDLERDATA->m_width = ximage->width;
 731                         M_BITMAPHANDLERDATA->m_height = ximage->height;
 732                         M_BITMAPHANDLERDATA->m_depth = ximage->depth;
 733                         M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels;
 734         XpmFreeAttributes(&xpmAttr);
 735             M_BITMAPHANDLERDATA->m_ok = TRUE;
 736                         ximage->gworldptr = NULL ;
 737                         XImageFree(ximage); // releases the malloc, but does not detroy
 738                                   // the bitmap
 739                         M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 740
 741                         return TRUE;
 742     }
 743     else
 744     {
 745       M_BITMAPHANDLERDATA->m_ok = FALSE;
 746       return FALSE;
 747     }
 748   return FALSE;
 749 }
 750
 751 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
 752 {
 753     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
 754 public:
 755     inline wxBMPResourceHandler()
 756     {
 757         m_name = "Windows bitmap resource";
 758         m_extension = "";
 759         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
 760     };
 761
 762     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 763           int desiredWidth, int desiredHeight);
 764 };
 765
 766 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
 767
 768 bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 769     int desiredWidth, int desiredHeight)
 770 {
 771     // TODO: load colourmap.
 772 /*
 773     M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ::LoadBitmap(wxGetInstance(), name);
 774     if (M_BITMAPHANDLERDATA->m_hBitmap)
 775     {
 776       M_BITMAPHANDLERDATA->m_ok = TRUE;
 777       BITMAP bm;
 778       GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(BITMAP), (LPSTR) &bm);
 779       M_BITMAPHANDLERDATA->m_width = bm.bmWidth;
 780       M_BITMAPHANDLERDATA->m_height = bm.bmHeight;
 781       M_BITMAPHANDLERDATA->m_depth = bm.bmBitsPixel;
 782       return TRUE;
 783     }
 784 */
 785   // it's probably not found
 786   wxLogError("Can't load bitmap '%s' from resources! Check .rc file.", name.c_str());
 787
 788   return FALSE;
 789 }
 790
 791 class WXDLLEXPORT wxBMPFileHandler: public wxBitmapHandler
 792 {
 793   DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
 794 public:
 795   inline wxBMPFileHandler(void)
 796   {
 797   m_name = "Windows bitmap file";
 798   m_extension = "bmp";
 799   m_type = wxBITMAP_TYPE_BMP;
 800   };
 801
 802   virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 803       int desiredWidth, int desiredHeight);
 804   virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL);
 805 };
 806
 807 IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
 808
 809 bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 810     int desiredWidth, int desiredHeight)
 811 {
 812 #if USE_IMAGE_LOADING_IN_MSW
 813     wxPalette *palette = NULL;
 814     bool success = FALSE;
 815 /*
 816     if (type & wxBITMAP_DISCARD_COLOURMAP)
 817       success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap);
 818     else
 819 */
 820     success = (wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0);
 821     if (!success && palette)
 822     {
 823       delete palette;
 824       palette = NULL;
 825     }
 826     if (palette)
 827       M_BITMAPHANDLERDATA->m_bitmapPalette = *palette;
 828     return success;
 829 #else
 830   return FALSE;
 831 #endif
 832 }
 833
 834 bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal)
 835 {
 836 #if USE_IMAGE_LOADING_IN_MSW
 837     wxPalette *actualPalette = (wxPalette *)pal;
 838     if (!actualPalette && (!M_BITMAPHANDLERDATA->m_bitmapPalette.IsNull()))
 839       actualPalette = & (M_BITMAPHANDLERDATA->m_bitmapPalette);
 840     return (wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0);
 841 #else
 842   return FALSE;
 843 #endif
 844 }
 845
 846
 847
 848 void wxBitmap::CleanUpHandlers()
 849 {
 850     wxNode *node = sm_handlers.First();
 851     while ( node )
 852     {
 853         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 854         wxNode *next = node->Next();
 855         delete handler;
 856         delete node;
 857         node = next;
 858     }
 859 }
 860
 861 void wxBitmap::InitStandardHandlers()
 862 {
 863         AddHandler( new wxPICTResourceHandler ) ;
 864         AddHandler( new wxICONResourceHandler ) ;
 865         AddHandler(new wxXPMFileHandler);
 866   AddHandler(new wxXPMDataHandler);
 867         AddHandler(new wxBMPResourceHandler);
 868         AddHandler(new wxBMPFileHandler);
 869 }