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