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 "bitmapbase.h"
  14 #pragma implementation "bitmap.h"
  15 #endif
  16
  17 #include "wx/defs.h"
  18
  19 #include "wx/bitmap.h"
  20 #include "wx/icon.h"
  21 #include "wx/log.h"
  22 #include "wx/image.h"
  23 #include "wx/xpmdecod.h"
  24
  25 #if !USE_SHARED_LIBRARIES
  26 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
  27 IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
  28 IMPLEMENT_ABSTRACT_CLASS(wxBitmapBase , wxGDIObject )
  29 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase, wxObject )
  30 #endif
  31
  32 #ifdef __UNIX__
  33     #include <ApplicationServices/ApplicationServices.h>
  34 #else
  35     #include <PictUtils.h>
  36 #endif
  37
  38 #include "wx/mac/uma.h"
  39
  40 CTabHandle wxMacCreateColorTable( int numColors )
  41 {
  42         CTabHandle newColors; /* Handle to the new color table */
  43
  44         /* Allocate memory for the color table */
  45         newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
  46         sizeof (ColorSpec) * (numColors - 1) );
  47         if (newColors != nil)
  48         {
  49                 /* Initialize the fields */
  50                 (**newColors).ctSeed = GetCTSeed();
  51                 (**newColors).ctFlags = 0;
  52                 (**newColors).ctSize = numColors - 1;
  53                 /* Initialize the table of colors */
  54         }
  55         return newColors ;
  56 }
  57
  58 void wxMacDestroyColorTable( CTabHandle colors )
  59 {
  60         DisposeHandle( (Handle) colors ) ;
  61 }
  62
  63 void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green ,  int blue )
  64 {
  65         (**newColors).ctTable[index].value = index;
  66         (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue;
  67         (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue;
  68         (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue;
  69 }
  70
  71 GWorldPtr wxMacCreateGWorld( int width , int height , int depth )
  72 {
  73         OSErr err = noErr ;
  74         GWorldPtr port ;
  75         Rect rect = { 0 , 0 , height , width } ;
  76
  77         if ( depth < 0 )
  78         {
  79                 depth = wxDisplayDepth() ;
  80         }
  81
  82         err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
  83         if ( err == noErr )
  84         {
  85                 return port ;
  86         }
  87         return NULL ;
  88 }
  89
  90 void wxMacDestroyGWorld( GWorldPtr gw )
  91 {
  92         if ( gw )
  93                 DisposeGWorld( gw ) ;
  94 }
  95
  96 PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
  97 {
  98    CGrafPtr    origPort ;
  99    GDHandle    origDev ;
 100
 101    PicHandle      pict;          // this is the Picture we give back
 102
 103    RGBColor    gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
 104    RGBColor    white = { 0xffff ,0xffff , 0xffff } ;
 105    RGBColor    black = { 0x0000 ,0x0000 , 0x0000 } ;
 106
 107    unsigned char *maskimage = NULL ;
 108    Rect portRect ;
 109    GetPortBounds( wp , &portRect ) ;
 110    int width = portRect.right - portRect.left ;
 111    int height = portRect.bottom - portRect.top ;
 112
 113    LockPixels( GetGWorldPixMap( wp ) ) ;
 114    GetGWorld( &origPort , &origDev ) ;
 115
 116    if ( mask )
 117    {
 118       maskimage = (unsigned char*) malloc( width * height ) ;
 119       SetGWorld( mask , NULL ) ;
 120       LockPixels( GetGWorldPixMap( mask ) ) ;
 121       for ( int y = 0 ; y < height ; y++ )
 122       {
 123          for( int x = 0 ; x < width ; x++ )
 124          {
 125             RGBColor col ;
 126
 127             GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 128             maskimage[y*width + x] = ( col.red == 0 ) ; // for monochrome masks
 129          }
 130       }
 131       UnlockPixels( GetGWorldPixMap( mask ) ) ;
 132    }
 133
 134    SetGWorld( wp , NULL ) ;
 135
 136    pict = OpenPicture(&portRect);   // open a picture, this disables drawing
 137    if(!pict)
 138       return NULL;
 139
 140    if ( maskimage )
 141    {
 142       RGBForeColor( &black ) ;
 143       RGBBackColor( &white ) ;
 144       PenMode(transparent);
 145
 146       for ( int y = 0 ; y < height ; ++y )
 147       {
 148          for( int x = 0 ; x < width ; ++x )
 149          {
 150             if ( maskimage[y*width + x] )
 151             {
 152                RGBColor col ;
 153
 154                GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 155                SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 156             }
 157             else {
 158                 // With transparency set this sets a blank pixel not a white one
 159                 SetCPixel( x + portRect.left , y + portRect.top , &white);
 160             }
 161          }
 162       }
 163       free( maskimage ) ;
 164       maskimage = NULL ;
 165    }
 166    else
 167    {
 168       RGBBackColor( &gray ) ;
 169       EraseRect(&portRect);
 170       RGBForeColor( &black ) ;
 171       RGBBackColor( &white ) ;
 172
 173       CopyBits(GetPortBitMapForCopyBits(wp), /* src PixMap - we copy image over
 174                                               * itself - */
 175                GetPortBitMapForCopyBits(wp), //  dst PixMap - no drawing occurs
 176                &portRect,    // srcRect - it will be recorded and compressed -
 177                &portRect,    // dstRect - into the picture that is open -
 178                srcCopy,NULL); // copyMode and no clip region
 179    }
 180    ClosePicture();                  // We are done recording the picture
 181    UnlockPixels( GetGWorldPixMap( wp ) ) ;
 182    SetGWorld( origPort , origDev ) ;
 183
 184    return pict;                  // return our groovy pict handle
 185 }
 186
 187 wxBitmapRefData::wxBitmapRefData()
 188 {
 189     m_ok = FALSE;
 190     m_width = 0;
 191     m_height = 0;
 192     m_depth = 0;
 193     m_quality = 0;
 194     m_numColors = 0;
 195     m_bitmapMask = NULL;
 196     m_hBitmap = NULL ;
 197     m_hPict = NULL ;
 198     m_hIcon = NULL ;
 199     m_bitmapType = kMacBitmapTypeUnknownType ;
 200 }
 201
 202 wxBitmapRefData::~wxBitmapRefData()
 203 {
 204         switch (m_bitmapType)
 205         {
 206                 case kMacBitmapTypePict :
 207                         {
 208                                 if ( m_hPict )
 209                                 {
 210                                         KillPicture( m_hPict ) ;
 211                                         m_hPict = NULL ;
 212                                 }
 213                         }
 214                         break ;
 215                 case kMacBitmapTypeGrafWorld :
 216                         {
 217                                 if ( m_hBitmap )
 218                                 {
 219                                         wxMacDestroyGWorld( m_hBitmap ) ;
 220                                         m_hBitmap = NULL ;
 221                                 }
 222                         }
 223                         break ;
 224                 case kMacBitmapTypeIcon :
 225                 if ( m_hIcon )
 226                 {
 227                         DisposeCIcon( m_hIcon ) ;
 228                         m_hIcon = NULL ;
 229                 }
 230
 231                 default :
 232                         // unkown type ?
 233                         break ;
 234         }
 235
 236   if (m_bitmapMask)
 237   {
 238     delete m_bitmapMask;
 239     m_bitmapMask = NULL;
 240   }
 241 }
 242
 243 wxList wxBitmapBase::sm_handlers;
 244
 245
 246 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 247 {
 248     Ref(icon) ;
 249 }
 250
 251 wxBitmap::wxBitmap()
 252 {
 253     m_refData = NULL;
 254
 255     if ( wxTheBitmapList )
 256         wxTheBitmapList->AddBitmap(this);
 257 }
 258
 259 wxBitmap::~wxBitmap()
 260 {
 261     if (wxTheBitmapList)
 262         wxTheBitmapList->DeleteObject(this);
 263 }
 264
 265 wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
 266 {
 267     m_refData = new wxBitmapRefData;
 268
 269     M_BITMAPDATA->m_width = the_width ;
 270     M_BITMAPDATA->m_height = the_height ;
 271     M_BITMAPDATA->m_depth = no_bits ;
 272     M_BITMAPDATA->m_numColors = 0;
 273     if ( no_bits == 1 )
 274     {
 275         M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 276         M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
 277         M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 278
 279         CGrafPtr        origPort ;
 280         GDHandle        origDevice ;
 281
 282         GetGWorld( &origPort , &origDevice ) ;
 283         SetGWorld( M_BITMAPDATA->m_hBitmap , NULL ) ;
 284         LockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
 285
 286         // bits is a char array
 287
 288         unsigned char* linestart = (unsigned char*) bits ;
 289         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
 290         if ( the_width % (sizeof(unsigned char) * 8) ) {
 291             linesize += sizeof(unsigned char);
 292         }
 293
 294         RGBColor colors[2] = {
 295             { 0xFFFF , 0xFFFF , 0xFFFF } ,
 296             { 0, 0 , 0 }
 297         } ;
 298
 299         for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
 300         {
 301             for ( int x = 0 ; x < the_width ; ++x )
 302             {
 303                 int index = x / 8 ;
 304                 int bit = x % 8 ;
 305                 int mask = 1 << bit ;
 306                 if ( linestart[index] & mask )
 307                 {
 308                     SetCPixel( x , y , &colors[1] ) ;
 309                 }
 310                 else
 311                 {
 312                     SetCPixel( x , y , &colors[0] ) ;
 313                 }
 314             }
 315         }
 316         UnlockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
 317
 318         SetGWorld( origPort , origDevice ) ;
 319     }
 320     else
 321     {
 322         wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
 323     }
 324
 325     if ( wxTheBitmapList ) {
 326         wxTheBitmapList->AddBitmap(this);
 327     }
 328 }
 329
 330 wxBitmap::wxBitmap(int w, int h, int d)
 331 {
 332     (void)Create(w, h, d);
 333
 334     if ( wxTheBitmapList )
 335         wxTheBitmapList->AddBitmap(this);
 336 }
 337
 338 wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth)
 339 {
 340     (void) Create(data, type, width, height, depth);
 341
 342     if ( wxTheBitmapList )
 343         wxTheBitmapList->AddBitmap(this);
 344 }
 345
 346 wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
 347 {
 348     LoadFile(filename, type);
 349
 350     if ( wxTheBitmapList )
 351         wxTheBitmapList->AddBitmap(this);
 352 }
 353
 354 bool wxBitmap::CreateFromXpm(const char **bits)
 355 {
 356     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 357     wxXPMDecoder decoder;
 358     wxImage img = decoder.ReadData(bits);
 359     wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
 360     *this = wxBitmap(img);
 361     if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this);
 362     return TRUE;
 363 }
 364
 365 wxBitmap::wxBitmap(const char **bits)
 366 {
 367     (void) CreateFromXpm(bits);
 368 }
 369
 370 wxBitmap::wxBitmap(char **bits)
 371 {
 372     (void) CreateFromXpm((const char **)bits);
 373 }
 374
 375 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 376 {
 377    wxCHECK_MSG( Ok() &&
 378                 (rect.x >= 0) && (rect.y >= 0) &&
 379                 (rect.x+rect.width <= GetWidth()) &&
 380                 (rect.y+rect.height <= GetHeight()),
 381                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 382
 383
 384    wxBitmap ret( rect.width, rect.height, GetDepth() );
 385    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 386
 387    WXHBITMAP origPort;
 388    GDHandle  origDevice;
 389
 390    GetGWorld( &origPort, &origDevice );
 391
 392    // Update the subbitmaps reference data
 393    wxBitmapRefData *ref = (wxBitmapRefData *)ret.GetRefData();
 394
 395    ref->m_numColors     = M_BITMAPDATA->m_numColors;
 396    ref->m_bitmapPalette = M_BITMAPDATA->m_bitmapPalette;
 397    ref->m_bitmapType    = M_BITMAPDATA->m_bitmapType;
 398
 399    // Copy sub region of this bitmap
 400    if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict)
 401    {
 402        printf("GetSubBitmap:  Copy a region of a Pict structure - TODO\n");
 403    }
 404    else if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypeGrafWorld)
 405    {
 406        // Copy mask
 407        if(GetMask())
 408        {
 409            WXHBITMAP submask, mask;
 410            RGBColor  color;
 411
 412            mask = GetMask()->GetMaskBitmap();
 413            submask = wxMacCreateGWorld(rect.width, rect.height, 1);
 414            LockPixels(GetGWorldPixMap(mask));
 415            LockPixels(GetGWorldPixMap(submask));
 416
 417            for(int yy = 0; yy < rect.height; yy++)
 418            {
 419                for(int xx = 0; xx < rect.width; xx++)
 420                {
 421                    SetGWorld(mask, NULL);
 422                    GetCPixel(rect.x + xx, rect.y + yy, &color);
 423                    SetGWorld(submask, NULL);
 424                    SetCPixel(xx,yy, &color);
 425                }
 426            }
 427            UnlockPixels(GetGWorldPixMap(mask));
 428            UnlockPixels(GetGWorldPixMap(submask));
 429            ref->m_bitmapMask = new wxMask;
 430            ref->m_bitmapMask->SetMaskBitmap(submask);
 431        }
 432
 433        // Copy bitmap
 434        if(GetHBITMAP())
 435        {
 436            WXHBITMAP subbitmap, bitmap;
 437            RGBColor  color;
 438
 439            bitmap = GetHBITMAP();
 440            subbitmap = wxMacCreateGWorld(rect.width, rect.height, GetDepth());
 441            LockPixels(GetGWorldPixMap(bitmap));
 442            LockPixels(GetGWorldPixMap(subbitmap));
 443
 444            for(int yy = 0; yy < rect.height; yy++)
 445            {
 446                for(int xx = 0; xx < rect.width; xx++)
 447                {
 448                    SetGWorld(bitmap, NULL);
 449                    GetCPixel(rect.x + xx, rect.y + yy, &color);
 450                    SetGWorld(subbitmap, NULL);
 451                    SetCPixel(xx, yy, &color);
 452                }
 453            }
 454            UnlockPixels(GetGWorldPixMap(bitmap));
 455            UnlockPixels(GetGWorldPixMap(subbitmap));
 456            ret.SetHBITMAP(subbitmap);
 457        }
 458    }
 459    SetGWorld( origPort, origDevice );
 460
 461    return ret;
 462 }
 463
 464 bool wxBitmap::Create(int w, int h, int d)
 465 {
 466     UnRef();
 467
 468     m_refData = new wxBitmapRefData;
 469
 470     M_BITMAPDATA->m_width = w;
 471     M_BITMAPDATA->m_height = h;
 472     M_BITMAPDATA->m_depth = d;
 473
 474     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 475     M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ;
 476     M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 477     return M_BITMAPDATA->m_ok;
 478 }
 479
 480 int wxBitmap::GetBitmapType() const
 481 {
 482    wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") );
 483
 484    return M_BITMAPDATA->m_bitmapType;
 485 }
 486
 487 void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
 488 {
 489     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 490     M_BITMAPDATA->m_hBitmap = bmp ;
 491         M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 492 }
 493
 494 bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
 495 {
 496     UnRef();
 497
 498     wxBitmapHandler *handler = FindHandler(type);
 499
 500     if ( handler )
 501     {
 502         m_refData = new wxBitmapRefData;
 503
 504         return handler->LoadFile(this, filename, type, -1, -1);
 505     }
 506     else
 507     {
 508         wxImage loadimage(filename, type);
 509         if (loadimage.Ok()) {
 510             *this = loadimage;
 511             return true;
 512         }
 513     }
 514     wxLogWarning("no bitmap handler for type %d defined.", type);
 515     return false;
 516 }
 517
 518 bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int depth)
 519 {
 520     UnRef();
 521
 522     m_refData = new wxBitmapRefData;
 523
 524     wxBitmapHandler *handler = FindHandler(type);
 525
 526     if ( handler == NULL ) {
 527         wxLogWarning("no bitmap handler for type %d defined.", type);
 528
 529         return FALSE;
 530     }
 531
 532     return handler->Create(this, data, type, width, height, depth);
 533 }
 534
 535 wxBitmap::wxBitmap(const wxImage& image, int depth)
 536 {
 537     wxCHECK_RET( image.Ok(), wxT("invalid image") )
 538     wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
 539
 540     m_refData = new wxBitmapRefData();
 541
 542     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 543
 544     // width and height of the device-dependent bitmap
 545     int width = image.GetWidth();
 546     int height = image.GetHeight();
 547
 548     // Create picture
 549
 550     Create( width , height , wxDisplayDepth() ) ;
 551     wxBitmap maskBitmap( width, height, 1);
 552
 553     CGrafPtr origPort ;
 554     GDHandle origDevice ;
 555
 556     LockPixels( GetGWorldPixMap(GetHBITMAP()) );
 557     LockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
 558
 559     GetGWorld( &origPort , &origDevice ) ;
 560     SetGWorld( GetHBITMAP() , NULL ) ;
 561
 562     // Render image
 563     wxColour rgb, maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
 564     RGBColor color;
 565     RGBColor white = { 0xffff, 0xffff, 0xffff };
 566     RGBColor black = { 0     , 0     , 0      };
 567
 568     register unsigned char* data = image.GetData();
 569
 570     int index = 0;
 571     for (int y = 0; y < height; y++)
 572     {
 573         for (int x = 0; x < width; x++)
 574         {
 575             rgb.Set(data[index++], data[index++], data[index++]);
 576             color = rgb.GetPixel();
 577             SetCPixel( x , y , &color ) ;
 578             if (image.HasMask())
 579             {
 580                 SetGWorld(maskBitmap.GetHBITMAP(), NULL);
 581                 if (rgb == maskcolor) {
 582                     SetCPixel(x,y, &white);
 583                 }
 584                 else {
 585                     SetCPixel(x,y, &black);
 586                 }
 587                 SetGWorld(GetHBITMAP(), NULL);
 588             }
 589         }
 590     }  // for height
 591
 592     // Create mask
 593     if ( image.HasMask() ) {
 594         SetMask(new wxMask( maskBitmap ));
 595     }
 596
 597     UnlockPixels( GetGWorldPixMap(GetHBITMAP()) );
 598     UnlockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
 599     SetGWorld( origPort, origDevice );
 600 }
 601
 602 wxImage wxBitmap::ConvertToImage() const
 603 {
 604     wxImage image;
 605
 606     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 607
 608     // create an wxImage object
 609     int width = GetWidth();
 610     int height = GetHeight();
 611     image.Create( width, height );
 612
 613     unsigned char *data = image.GetData();
 614
 615     wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
 616
 617     WXHBITMAP origPort;
 618     GDHandle  origDevice;
 619     int      index;
 620     RGBColor color;
 621     // background color set to RGB(16,16,16) in consistent with wxGTK
 622     unsigned char mask_r=16, mask_g=16, mask_b=16;
 623     SInt16   r,g,b;
 624     wxMask  *mask = GetMask();
 625
 626     GetGWorld( &origPort, &origDevice );
 627     LockPixels(GetGWorldPixMap(GetHBITMAP()));
 628     SetGWorld( GetHBITMAP(), NULL);
 629
 630     // Copy data into image
 631     index = 0;
 632     for (int yy = 0; yy < height; yy++)
 633     {
 634         for (int xx = 0; xx < width; xx++)
 635         {
 636             GetCPixel(xx,yy, &color);
 637             r = ((color.red ) >> 8);
 638             g = ((color.green ) >> 8);
 639             b = ((color.blue ) >> 8);
 640             data[index    ] = r;
 641             data[index + 1] = g;
 642             data[index + 2] = b;
 643             if (mask)
 644             {
 645                 if (mask->PointMasked(xx,yy))
 646                 {
 647                     data[index    ] = mask_r;
 648                     data[index + 1] = mask_g;
 649                     data[index + 2] = mask_b;
 650                 }
 651             }
 652             index += 3;
 653         }
 654     }
 655     if (mask)
 656     {
 657         image.SetMaskColour( mask_r, mask_g, mask_b );
 658         image.SetMask( true );
 659     }
 660
 661     // Free resources
 662     UnlockPixels(GetGWorldPixMap(GetHBITMAP()));
 663     SetGWorld(origPort, origDevice);
 664
 665     return image;
 666 }
 667
 668
 669 bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type,
 670                         const wxPalette *palette) const
 671 {
 672     wxBitmapHandler *handler = FindHandler(type);
 673
 674     if ( handler )
 675     {
 676         return handler->SaveFile(this, filename, type, palette);
 677     }
 678     else
 679     {
 680         wxImage image = ConvertToImage();
 681
 682         return image.SaveFile(filename, type);
 683     }
 684
 685     wxLogWarning("no bitmap handler for type %d defined.", type);
 686     return false;
 687 }
 688
 689 bool wxBitmap::Ok() const
 690 {
 691    return (M_BITMAPDATA && M_BITMAPDATA->m_ok);
 692 }
 693
 694 int wxBitmap::GetHeight() const
 695 {
 696    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 697
 698    return M_BITMAPDATA->m_height;
 699 }
 700
 701 int wxBitmap::GetWidth() const
 702 {
 703    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 704
 705    return M_BITMAPDATA->m_width;
 706 }
 707
 708 int wxBitmap::GetDepth() const
 709 {
 710    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 711
 712    return M_BITMAPDATA->m_depth;
 713 }
 714
 715 int wxBitmap::GetQuality() const
 716 {
 717    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 718
 719    return M_BITMAPDATA->m_quality;
 720 }
 721
 722 wxMask *wxBitmap::GetMask() const
 723 {
 724    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 725
 726    return M_BITMAPDATA->m_bitmapMask;
 727 }
 728
 729 void wxBitmap::SetWidth(int w)
 730 {
 731     if (!M_BITMAPDATA)
 732         m_refData = new wxBitmapRefData;
 733
 734     M_BITMAPDATA->m_width = w;
 735 }
 736
 737 void wxBitmap::SetHeight(int h)
 738 {
 739     if (!M_BITMAPDATA)
 740         m_refData = new wxBitmapRefData;
 741
 742     M_BITMAPDATA->m_height = h;
 743 }
 744
 745 void wxBitmap::SetDepth(int d)
 746 {
 747     if (!M_BITMAPDATA)
 748         m_refData = new wxBitmapRefData;
 749
 750     M_BITMAPDATA->m_depth = d;
 751 }
 752
 753 void wxBitmap::SetQuality(int q)
 754 {
 755     if (!M_BITMAPDATA)
 756         m_refData = new wxBitmapRefData;
 757
 758     M_BITMAPDATA->m_quality = q;
 759 }
 760
 761 void wxBitmap::SetOk(bool isOk)
 762 {
 763     if (!M_BITMAPDATA)
 764         m_refData = new wxBitmapRefData;
 765
 766     M_BITMAPDATA->m_ok = isOk;
 767 }
 768
 769 wxPalette *wxBitmap::GetPalette() const
 770 {
 771    wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap  GetPalette()") );
 772
 773    return &M_BITMAPDATA->m_bitmapPalette;
 774 }
 775
 776 void wxBitmap::SetPalette(const wxPalette& palette)
 777 {
 778     if (!M_BITMAPDATA)
 779         m_refData = new wxBitmapRefData;
 780
 781     M_BITMAPDATA->m_bitmapPalette = palette ;
 782 }
 783
 784 void wxBitmap::SetMask(wxMask *mask)
 785 {
 786     if (!M_BITMAPDATA)
 787         m_refData = new wxBitmapRefData;
 788
 789     // Remove existing mask if there is one.
 790     if (M_BITMAPDATA->m_bitmapMask)
 791         delete M_BITMAPDATA->m_bitmapMask;
 792
 793     M_BITMAPDATA->m_bitmapMask = mask ;
 794 }
 795
 796 WXHBITMAP wxBitmap::GetHBITMAP() const
 797 {
 798    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
 799
 800    return M_BITMAPDATA->m_hBitmap;
 801 }
 802
 803 PicHandle wxBitmap::GetPict() const
 804 {
 805    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
 806
 807    PicHandle picture;       // This is the returned picture
 808
 809    // If bitmap already in Pict format return pointer
 810    if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
 811        return M_BITMAPDATA->m_hPict;
 812    }
 813    else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {
 814        // Invalid bitmap
 815        return NULL;
 816    }
 817
 818    RGBColor  gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
 819    RGBColor  white = { 0xffff ,0xffff , 0xffff } ;
 820    RGBColor  black = { 0x0000 ,0x0000 , 0x0000 } ;
 821    CGrafPtr  origPort;
 822    GDHandle  origDev ;
 823    wxMask   *mask;
 824    Rect      portRect ;
 825
 826    GetPortBounds( GetHBITMAP() , &portRect ) ;
 827    int width = portRect.right - portRect.left ;
 828    int height = portRect.bottom - portRect.top ;
 829
 830    LockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ;
 831    GetGWorld( &origPort , &origDev ) ;
 832
 833    mask = GetMask();
 834
 835    SetGWorld( GetHBITMAP() , NULL ) ;
 836
 837    picture = OpenPicture(&portRect);   // open a picture, this disables drawing
 838    if(!picture) {
 839        return NULL;
 840    }
 841
 842    if( mask )
 843    {
 844 #ifdef __UNIX__
 845        RGBColor trans = white;
 846 #else
 847        RGBBackColor( &gray );
 848        EraseRect( &portRect );
 849        RGBColor trans = gray;
 850 #endif
 851        RGBForeColor( &black ) ;
 852        RGBBackColor( &white ) ;
 853        PenMode(transparent);
 854
 855        for ( int y = 0 ; y < height ; ++y )
 856        {
 857            for( int x = 0 ; x < width ; ++x )
 858            {
 859                if ( !mask->PointMasked(x,y) )
 860                {
 861                    RGBColor col ;
 862
 863                    GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 864                    SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 865                }
 866                else {
 867                    // With transparency this sets a blank pixel
 868                    SetCPixel( x + portRect.left , y + portRect.top , &trans);
 869                }
 870            }
 871        }
 872    }
 873    else
 874    {
 875        RGBBackColor( &gray ) ;
 876        EraseRect(&portRect);
 877        RGBForeColor( &black ) ;
 878        RGBBackColor( &white ) ;
 879
 880        CopyBits(GetPortBitMapForCopyBits(GetHBITMAP()),
 881                 // src PixMap - we copy image over itself -
 882                 GetPortBitMapForCopyBits(GetHBITMAP()),
 883                 //  dst PixMap - no drawing occurs
 884                 &portRect,    // srcRect - it will be recorded and compressed -
 885                 &portRect,    // dstRect - into the picture that is open -
 886                 srcCopy,NULL); // copyMode and no clip region
 887    }
 888    ClosePicture();                  // We are done recording the picture
 889    UnlockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ;
 890    SetGWorld( origPort , origDev ) ;
 891
 892    return picture;                  // return our groovy pict handle
 893 }
 894
 895 void wxBitmap::AddHandler(wxBitmapHandler *handler)
 896 {
 897     sm_handlers.Append(handler);
 898 }
 899
 900 void wxBitmap::InsertHandler(wxBitmapHandler *handler)
 901 {
 902     sm_handlers.Insert(handler);
 903 }
 904
 905 bool wxBitmap::RemoveHandler(const wxString& name)
 906 {
 907     wxBitmapHandler *handler = FindHandler(name);
 908     if ( handler )
 909     {
 910         sm_handlers.DeleteObject(handler);
 911         return TRUE;
 912     }
 913     else
 914         return FALSE;
 915 }
 916
 917 wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
 918 {
 919     wxNode *node = sm_handlers.First();
 920     while ( node )
 921     {
 922         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 923         if ( handler->GetName() == name )
 924             return handler;
 925         node = node->Next();
 926     }
 927     return NULL;
 928 }
 929
 930 wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, wxBitmapType type)
 931 {
 932     wxNode *node = sm_handlers.First();
 933     while ( node )
 934     {
 935         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 936         if ( handler->GetExtension() == extension &&
 937                     (type == -1 || handler->GetType() == type) )
 938             return handler;
 939         node = node->Next();
 940     }
 941     return NULL;
 942 }
 943
 944 wxBitmapHandler *wxBitmap::FindHandler(wxBitmapType type)
 945 {
 946     wxNode *node = sm_handlers.First();
 947     while ( node )
 948     {
 949         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 950         if (handler->GetType() == type)
 951             return handler;
 952         node = node->Next();
 953     }
 954     return NULL;
 955 }
 956
 957 /*
 958  * wxMask
 959  */
 960
 961 wxMask::wxMask()
 962 {
 963     m_maskBitmap = 0;
 964 }
 965
 966 // Construct a mask from a bitmap and a colour indicating
 967 // the transparent area
 968 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 969 {
 970     m_maskBitmap = 0;
 971     Create(bitmap, colour);
 972 }
 973
 974 // Construct a mask from a bitmap and a palette index indicating
 975 // the transparent area
 976 wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
 977 {
 978     m_maskBitmap = 0;
 979     Create(bitmap, paletteIndex);
 980 }
 981
 982 // Construct a mask from a mono bitmap (copies the bitmap).
 983 wxMask::wxMask(const wxBitmap& bitmap)
 984 {
 985     m_maskBitmap = 0;
 986     Create(bitmap);
 987 }
 988
 989 wxMask::~wxMask()
 990 {
 991         if ( m_maskBitmap )
 992         {
 993                 wxMacDestroyGWorld( m_maskBitmap ) ;
 994                 m_maskBitmap = NULL ;
 995         }
 996 }
 997
 998 // Create a mask from a mono bitmap (copies the bitmap).
 999 bool wxMask::Create(const wxBitmap& bitmap)
1000 {
1001    if ( m_maskBitmap )
1002    {
1003        wxMacDestroyGWorld( m_maskBitmap ) ;
1004        m_maskBitmap = NULL ;
1005    }
1006    wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
1007                 wxT("Cannot create mask from this bitmap type (TODO)"));
1008    // other types would require a temporary bitmap. not yet implemented
1009
1010    wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
1011
1012    wxCHECK_MSG(bitmap.GetDepth() == 1, false,
1013                wxT("Cannot create mask from colour bitmap"));
1014
1015    m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1);
1016    Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
1017
1018    LockPixels( GetGWorldPixMap(m_maskBitmap) );
1019    LockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
1020    CopyBits(GetPortBitMapForCopyBits(bitmap.GetHBITMAP()),
1021             GetPortBitMapForCopyBits(m_maskBitmap),
1022             &rect, &rect, srcCopy, 0);
1023    UnlockPixels( GetGWorldPixMap(m_maskBitmap) );
1024    UnlockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
1025
1026    return FALSE;
1027 }
1028
1029 // Create a mask from a bitmap and a palette index indicating
1030 // the transparent area
1031 bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
1032 {
1033 // TODO
1034     wxCHECK_MSG( 0, false, wxT("Not implemented"));
1035     return FALSE;
1036 }
1037
1038 // Create a mask from a bitmap and a colour indicating
1039 // the transparent area
1040 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
1041 {
1042         if ( m_maskBitmap )
1043         {
1044                 wxMacDestroyGWorld( m_maskBitmap ) ;
1045                 m_maskBitmap = NULL ;
1046         }
1047         wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
1048                  wxT("Cannot create mask from this bitmap type (TODO)"));
1049         // other types would require a temporary bitmap. not yet implemented
1050
1051     wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
1052
1053         m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 );
1054         LockPixels( GetGWorldPixMap( m_maskBitmap ) );
1055         LockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) );
1056         RGBColor maskColor = colour.GetPixel();
1057
1058     // this is not very efficient, but I can't think
1059     // of a better way of doing it
1060         CGrafPtr        origPort ;
1061         GDHandle        origDevice ;
1062     RGBColor  col;
1063     RGBColor  colors[2] = {
1064         { 0xFFFF, 0xFFFF, 0xFFFF },
1065         { 0,      0,      0 }};
1066
1067         GetGWorld( &origPort , &origDevice ) ;
1068         for (int w = 0; w < bitmap.GetWidth(); w++)
1069     {
1070         for (int h = 0; h < bitmap.GetHeight(); h++)
1071         {
1072                         SetGWorld( bitmap.GetHBITMAP(), NULL ) ;
1073                         GetCPixel( w , h , &col ) ;
1074                         SetGWorld( m_maskBitmap , NULL ) ;
1075             if (col.red == maskColor.red && col.green == maskColor.green && col.blue == maskColor.blue)
1076             {
1077                                 SetCPixel( w , h , &colors[0] ) ;
1078             }
1079             else
1080             {
1081                                 SetCPixel( w , h , &colors[1] ) ;
1082             }
1083         }
1084     }
1085         UnlockPixels( GetGWorldPixMap( (CGrafPtr) m_maskBitmap ) ) ;
1086         UnlockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) ) ;
1087         SetGWorld( origPort , origDevice ) ;
1088
1089     return TRUE;
1090 }
1091
1092 bool wxMask::PointMasked(int x, int y)
1093 {
1094    WXHBITMAP origPort;
1095    GDHandle  origDevice;
1096    RGBColor  color;
1097    bool masked = true;
1098
1099    GetGWorld( &origPort, &origDevice);
1100
1101    //Set port to mask and see if it masked (1) or not ( 0 )
1102    SetGWorld(m_maskBitmap, NULL);
1103    LockPixels(GetGWorldPixMap(m_maskBitmap));
1104    GetCPixel(x,y, &color);
1105    masked = !(color.red == 0 && color.green == 0 && color.blue == 0);
1106    UnlockPixels(GetGWorldPixMap(m_maskBitmap));
1107
1108    SetGWorld( origPort, origDevice);
1109
1110    return masked;
1111 }
1112
1113 /*
1114  * wxBitmapHandler
1115  */
1116
1117 IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
1118
1119 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
1120 {
1121     return FALSE;
1122 }
1123
1124 bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1125         int desiredWidth, int desiredHeight)
1126 {
1127     return FALSE;
1128 }
1129
1130 bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
1131 {
1132     return FALSE;
1133 }
1134
1135 /*
1136  * Standard handlers
1137  */
1138
1139 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
1140 {
1141     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
1142 public:
1143     inline wxPICTResourceHandler()
1144     {
1145         m_name = "Macintosh Pict resource";
1146         m_extension = "";
1147         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
1148     };
1149
1150     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1151           int desiredWidth, int desiredHeight);
1152 };
1153 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
1154
1155 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1156           int desiredWidth, int desiredHeight)
1157 {
1158         Str255 theName ;
1159
1160 #if TARGET_CARBON
1161         c2pstrcpy( (StringPtr) theName , name ) ;
1162 #else
1163         strcpy( (char *) theName , name ) ;
1164         c2pstr( (char *)theName ) ;
1165 #endif
1166
1167         PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
1168         if ( thePict )
1169         {
1170                 PictInfo theInfo ;
1171
1172                 GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
1173                 DetachResource( (Handle) thePict ) ;
1174                 M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
1175                 M_BITMAPHANDLERDATA->m_hPict = thePict ;
1176                 M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
1177                 M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
1178
1179                 M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
1180                 M_BITMAPHANDLERDATA->m_ok = true ;
1181                 M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
1182 //              M_BITMAPHANDLERDATA->m_bitmapPalette;
1183 //              M_BITMAPHANDLERDATA->m_quality;
1184                 return TRUE ;
1185         }
1186         return FALSE ;
1187 }
1188
1189 #if 0   // The following is an example for creating a bitmap handler
1190
1191 // TODO: bitmap handlers, a bit like this:
1192 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
1193 {
1194     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
1195 public:
1196     inline wxBMPResourceHandler()
1197     {
1198         m_name = "Windows bitmap resource";
1199         m_extension = "";
1200         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
1201     };
1202
1203     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1204           int desiredWidth, int desiredHeight);
1205 };
1206 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
1207
1208 #endif
1209
1210 void wxBitmap::CleanUpHandlers()
1211 {
1212     wxNode *node = sm_handlers.First();
1213     while ( node )
1214     {
1215         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
1216         wxNode *next = node->Next();
1217         delete handler;
1218         delete node;
1219         node = next;
1220     }
1221 }
1222
1223 void wxBitmap::InitStandardHandlers()
1224 {
1225     AddHandler(new wxPICTResourceHandler) ;
1226     AddHandler(new wxICONResourceHandler) ;
1227 }