src/mac/carbon/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.cpp
   3 // Purpose:     wxBitmap
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "bitmap.h"
  14 #endif
  15
  16 #include "wx/wx.h"
  17 #include "wx/setup.h"
  18 #include "wx/utils.h"
  19 #include "wx/palette.h"
  20 #include "wx/bitmap.h"
  21 #include "wx/icon.h"
  22 #include "wx/log.h"
  23 #include "wx/image.h"
  24 #include "wx/xpmdecod.h"
  25
  26 #if !USE_SHARED_LIBRARIES
  27 IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
  28 IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
  29 IMPLEMENT_ABSTRACT_CLASS(wxBitmapBase , wxGDIObject )
  30 IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase, wxObject )
  31 #endif
  32
  33 #ifdef __UNIX__
  34     #include <ApplicationServices/ApplicationServices.h>
  35 #else
  36     #include <PictUtils.h>
  37 #endif
  38
  39 #include "wx/mac/uma.h"
  40
  41 CTabHandle wxMacCreateColorTable( int numColors )
  42 {
  43         CTabHandle newColors; /* Handle to the new color table */
  44
  45         /* Allocate memory for the color table */
  46         newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) +
  47         sizeof (ColorSpec) * (numColors - 1) );
  48         if (newColors != nil)
  49         {
  50                 /* Initialize the fields */
  51                 (**newColors).ctSeed = GetCTSeed();
  52                 (**newColors).ctFlags = 0;
  53                 (**newColors).ctSize = numColors - 1;
  54                 /* Initialize the table of colors */
  55         }
  56         return newColors ;
  57 }
  58
  59 void wxMacDestroyColorTable( CTabHandle colors )
  60 {
  61         DisposeHandle( (Handle) colors ) ;
  62 }
  63
  64 void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green ,  int blue )
  65 {
  66         (**newColors).ctTable[index].value = index;
  67         (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue;
  68         (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue;
  69         (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue;
  70 }
  71
  72 GWorldPtr wxMacCreateGWorld( int width , int height , int depth )
  73 {
  74         OSErr err = noErr ;
  75         GWorldPtr port ;
  76         Rect rect = { 0 , 0 , height , width } ;
  77
  78         if ( depth < 0 )
  79         {
  80                 depth = wxDisplayDepth() ;
  81         }
  82
  83         err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ;
  84         if ( err == noErr )
  85         {
  86                 return port ;
  87         }
  88         return NULL ;
  89 }
  90
  91 void wxMacDestroyGWorld( GWorldPtr gw )
  92 {
  93         if ( gw )
  94                 DisposeGWorld( gw ) ;
  95 }
  96
  97 PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask)
  98 {
  99    CGrafPtr    origPort ;
 100    GDHandle    origDev ;
 101
 102    PicHandle      pict;          // this is the Picture we give back
 103
 104    RGBColor    gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
 105    RGBColor    white = { 0xffff ,0xffff , 0xffff } ;
 106    RGBColor    black = { 0x0000 ,0x0000 , 0x0000 } ;
 107
 108    unsigned char *maskimage = NULL ;
 109    Rect portRect ;
 110    GetPortBounds( wp , &portRect ) ;
 111    int width = portRect.right - portRect.left ;
 112    int height = portRect.bottom - portRect.top ;
 113
 114    LockPixels( GetGWorldPixMap( wp ) ) ;
 115    GetGWorld( &origPort , &origDev ) ;
 116
 117    if ( mask )
 118    {
 119       maskimage = (unsigned char*) malloc( width * height ) ;
 120       SetGWorld( mask , NULL ) ;
 121       LockPixels( GetGWorldPixMap( mask ) ) ;
 122       for ( int y = 0 ; y < height ; y++ )
 123       {
 124          for( int x = 0 ; x < width ; x++ )
 125          {
 126             RGBColor col ;
 127
 128             GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 129             maskimage[y*width + x] = ( col.red == 0 ) ; // for monochrome masks
 130          }
 131       }
 132       UnlockPixels( GetGWorldPixMap( mask ) ) ;
 133    }
 134
 135    SetGWorld( wp , NULL ) ;
 136
 137    pict = OpenPicture(&portRect);   // open a picture, this disables drawing
 138    if(!pict)
 139       return NULL;
 140
 141    if ( maskimage )
 142    {
 143       RGBForeColor( &black ) ;
 144       RGBBackColor( &white ) ;
 145       PenMode(transparent);
 146
 147       for ( int y = 0 ; y < height ; ++y )
 148       {
 149          for( int x = 0 ; x < width ; ++x )
 150          {
 151             if ( maskimage[y*width + x] )
 152             {
 153                RGBColor col ;
 154
 155                GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 156                SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 157             }
 158             else {
 159                 // With transparency set this sets a blank pixel not a white one
 160                 SetCPixel( x + portRect.left , y + portRect.top , &white);
 161             }
 162          }
 163       }
 164       free( maskimage ) ;
 165       maskimage = NULL ;
 166    }
 167    else
 168    {
 169       RGBBackColor( &gray ) ;
 170       EraseRect(&portRect);
 171       RGBForeColor( &black ) ;
 172       RGBBackColor( &white ) ;
 173
 174       CopyBits(GetPortBitMapForCopyBits(wp), /* src PixMap - we copy image over
 175                                               * itself - */
 176                GetPortBitMapForCopyBits(wp), //  dst PixMap - no drawing occurs
 177                &portRect,    // srcRect - it will be recorded and compressed -
 178                &portRect,    // dstRect - into the picture that is open -
 179                srcCopy,NULL); // copyMode and no clip region
 180    }
 181    ClosePicture();                  // We are done recording the picture
 182    UnlockPixels( GetGWorldPixMap( wp ) ) ;
 183    SetGWorld( origPort , origDev ) ;
 184
 185    return pict;                  // return our groovy pict handle
 186 }
 187
 188 wxBitmapRefData::wxBitmapRefData()
 189 {
 190     m_ok = FALSE;
 191     m_width = 0;
 192     m_height = 0;
 193     m_depth = 0;
 194     m_quality = 0;
 195     m_numColors = 0;
 196     m_bitmapMask = NULL;
 197     m_hBitmap = NULL ;
 198     m_hPict = NULL ;
 199     m_hIcon = NULL ;
 200     m_bitmapType = kMacBitmapTypeUnknownType ;
 201 }
 202
 203 wxBitmapRefData::~wxBitmapRefData()
 204 {
 205         switch (m_bitmapType)
 206         {
 207                 case kMacBitmapTypePict :
 208                         {
 209                                 if ( m_hPict )
 210                                 {
 211                                         KillPicture( m_hPict ) ;
 212                                         m_hPict = NULL ;
 213                                 }
 214                         }
 215                         break ;
 216                 case kMacBitmapTypeGrafWorld :
 217                         {
 218                                 if ( m_hBitmap )
 219                                 {
 220                                         wxMacDestroyGWorld( m_hBitmap ) ;
 221                                         m_hBitmap = NULL ;
 222                                 }
 223                         }
 224                         break ;
 225                 case kMacBitmapTypeIcon :
 226                 if ( m_hIcon )
 227                 {
 228                         DisposeCIcon( m_hIcon ) ;
 229                         m_hIcon = NULL ;
 230                 }
 231
 232                 default :
 233                         // unkown type ?
 234                         break ;
 235         }
 236
 237   if (m_bitmapMask)
 238   {
 239     delete m_bitmapMask;
 240     m_bitmapMask = NULL;
 241   }
 242 }
 243
 244 wxList wxBitmap::sm_handlers;
 245
 246
 247 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 248 {
 249     Ref(icon) ;
 250 }
 251
 252 wxBitmap::wxBitmap()
 253 {
 254     m_refData = NULL;
 255
 256     if ( wxTheBitmapList )
 257         wxTheBitmapList->AddBitmap(this);
 258 }
 259
 260 wxBitmap::~wxBitmap()
 261 {
 262     if (wxTheBitmapList)
 263         wxTheBitmapList->DeleteObject(this);
 264 }
 265
 266 wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
 267 {
 268     m_refData = new wxBitmapRefData;
 269
 270     M_BITMAPDATA->m_width = the_width ;
 271     M_BITMAPDATA->m_height = the_height ;
 272     M_BITMAPDATA->m_depth = no_bits ;
 273     M_BITMAPDATA->m_numColors = 0;
 274     if ( no_bits == 1 )
 275     {
 276         M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 277         M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ;
 278         M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 279
 280         CGrafPtr        origPort ;
 281         GDHandle        origDevice ;
 282
 283         GetGWorld( &origPort , &origDevice ) ;
 284         SetGWorld( M_BITMAPDATA->m_hBitmap , NULL ) ;
 285         LockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
 286
 287         // bits is a char array
 288
 289         unsigned char* linestart = (unsigned char*) bits ;
 290         int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
 291         if ( the_width % (sizeof(unsigned char) * 8) ) {
 292             linesize += sizeof(unsigned char);
 293         }
 294
 295         RGBColor colors[2] = {
 296             { 0xFFFF , 0xFFFF , 0xFFFF } ,
 297             { 0, 0 , 0 }
 298         } ;
 299
 300         for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
 301         {
 302             for ( int x = 0 ; x < the_width ; ++x )
 303             {
 304                 int index = x / 8 ;
 305                 int bit = x % 8 ;
 306                 int mask = 1 << bit ;
 307                 if ( linestart[index] & mask )
 308                 {
 309                     SetCPixel( x , y , &colors[1] ) ;
 310                 }
 311                 else
 312                 {
 313                     SetCPixel( x , y , &colors[0] ) ;
 314                 }
 315             }
 316         }
 317         UnlockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ;
 318
 319         SetGWorld( origPort , origDevice ) ;
 320     }
 321     else
 322     {
 323         wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
 324     }
 325
 326     if ( wxTheBitmapList ) {
 327         wxTheBitmapList->AddBitmap(this);
 328     }
 329 }
 330
 331 wxBitmap::wxBitmap(int w, int h, int d)
 332 {
 333     (void)Create(w, h, d);
 334
 335     if ( wxTheBitmapList )
 336         wxTheBitmapList->AddBitmap(this);
 337 }
 338
 339 wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth)
 340 {
 341     (void) Create(data, type, width, height, depth);
 342
 343     if ( wxTheBitmapList )
 344         wxTheBitmapList->AddBitmap(this);
 345 }
 346
 347 wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
 348 {
 349     LoadFile(filename, type);
 350
 351     if ( wxTheBitmapList )
 352         wxTheBitmapList->AddBitmap(this);
 353 }
 354
 355 bool wxBitmap::CreateFromXpm(const char **bits)
 356 {
 357     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 358     wxXPMDecoder decoder;
 359     wxImage img = decoder.ReadData(bits);
 360     wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
 361     *this = wxBitmap(img);
 362     if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this);
 363     return TRUE;
 364 }
 365
 366 wxBitmap::wxBitmap(const char **bits)
 367 {
 368     (void) CreateFromXpm(bits);
 369 }
 370
 371 wxBitmap::wxBitmap(char **bits)
 372 {
 373     (void) CreateFromXpm((const char **)bits);
 374 }
 375
 376 wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 377 {
 378    wxCHECK_MSG( Ok() &&
 379                 (rect.x >= 0) && (rect.y >= 0) &&
 380                 (rect.x+rect.width <= GetWidth()) &&
 381                 (rect.y+rect.height <= GetHeight()),
 382                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
 383
 384
 385    wxBitmap ret( rect.width, rect.height, GetDepth() );
 386    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 387
 388    WXHBITMAP origPort;
 389    GDHandle  origDevice;
 390
 391    GetGWorld( &origPort, &origDevice );
 392
 393    // Update the subbitmaps reference data
 394    wxBitmapRefData *ref = (wxBitmapRefData *)ret.GetRefData();
 395
 396    ref->m_numColors     = M_BITMAPDATA->m_numColors;
 397    ref->m_bitmapPalette = M_BITMAPDATA->m_bitmapPalette;
 398    ref->m_bitmapType    = M_BITMAPDATA->m_bitmapType;
 399
 400    // Copy sub region of this bitmap
 401    if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict)
 402    {
 403        printf("GetSubBitmap:  Copy a region of a Pict structure - TODO\n");
 404    }
 405    else if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypeGrafWorld)
 406    {
 407        // Copy mask
 408        if(GetMask())
 409        {
 410            WXHBITMAP submask, mask;
 411            RGBColor  color;
 412
 413            mask = GetMask()->GetMaskBitmap();
 414            submask = wxMacCreateGWorld(rect.width, rect.height, 1);
 415            LockPixels(GetGWorldPixMap(mask));
 416            LockPixels(GetGWorldPixMap(submask));
 417
 418            for(int yy = 0; yy < rect.height; yy++)
 419            {
 420                for(int xx = 0; xx < rect.width; xx++)
 421                {
 422                    SetGWorld(mask, NULL);
 423                    GetCPixel(rect.x + xx, rect.y + yy, &color);
 424                    SetGWorld(submask, NULL);
 425                    SetCPixel(xx,yy, &color);
 426                }
 427            }
 428            UnlockPixels(GetGWorldPixMap(mask));
 429            UnlockPixels(GetGWorldPixMap(submask));
 430            ref->m_bitmapMask = new wxMask;
 431            ref->m_bitmapMask->SetMaskBitmap(submask);
 432        }
 433
 434        // Copy bitmap
 435        if(GetHBITMAP())
 436        {
 437            WXHBITMAP subbitmap, bitmap;
 438            RGBColor  color;
 439
 440            bitmap = GetHBITMAP();
 441            subbitmap = wxMacCreateGWorld(rect.width, rect.height, GetDepth());
 442            LockPixels(GetGWorldPixMap(bitmap));
 443            LockPixels(GetGWorldPixMap(subbitmap));
 444
 445            for(int yy = 0; yy < rect.height; yy++)
 446            {
 447                for(int xx = 0; xx < rect.width; xx++)
 448                {
 449                    SetGWorld(bitmap, NULL);
 450                    GetCPixel(rect.x + xx, rect.y + yy, &color);
 451                    SetGWorld(subbitmap, NULL);
 452                    SetCPixel(xx, yy, &color);
 453                }
 454            }
 455            UnlockPixels(GetGWorldPixMap(bitmap));
 456            UnlockPixels(GetGWorldPixMap(subbitmap));
 457            ret.SetHBITMAP(subbitmap);
 458        }
 459    }
 460    SetGWorld( origPort, origDevice );
 461
 462    return ret;
 463 }
 464
 465 bool wxBitmap::Create(int w, int h, int d)
 466 {
 467     UnRef();
 468
 469     m_refData = new wxBitmapRefData;
 470
 471     M_BITMAPDATA->m_width = w;
 472     M_BITMAPDATA->m_height = h;
 473     M_BITMAPDATA->m_depth = d;
 474
 475     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 476     M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ;
 477     M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 478     return M_BITMAPDATA->m_ok;
 479 }
 480
 481 int wxBitmap::GetBitmapType() const
 482 {
 483    wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") );
 484
 485    return M_BITMAPDATA->m_bitmapType;
 486 }
 487
 488 void wxBitmap::SetHBITMAP(WXHBITMAP bmp)
 489 {
 490     M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ;
 491     M_BITMAPDATA->m_hBitmap = bmp ;
 492         M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ;
 493 }
 494
 495 bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
 496 {
 497     UnRef();
 498
 499     wxBitmapHandler *handler = FindHandler(type);
 500
 501     if ( handler )
 502     {
 503         m_refData = new wxBitmapRefData;
 504
 505         return handler->LoadFile(this, filename, type, -1, -1);
 506     }
 507     else
 508     {
 509         wxImage loadimage(filename, type);
 510         if (loadimage.Ok()) {
 511             *this = loadimage;
 512             return true;
 513         }
 514     }
 515     wxLogWarning("no bitmap handler for type %d defined.", type);
 516     return false;
 517 }
 518
 519 bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int depth)
 520 {
 521     UnRef();
 522
 523     m_refData = new wxBitmapRefData;
 524
 525     wxBitmapHandler *handler = FindHandler(type);
 526
 527     if ( handler == NULL ) {
 528         wxLogWarning("no bitmap handler for type %d defined.", type);
 529
 530         return FALSE;
 531     }
 532
 533     return handler->Create(this, data, type, width, height, depth);
 534 }
 535
 536 wxBitmap::wxBitmap(const wxImage& image, int depth)
 537 {
 538     wxCHECK_RET( image.Ok(), wxT("invalid image") )
 539     wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") )
 540
 541     m_refData = new wxBitmapRefData();
 542
 543     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 544
 545     // width and height of the device-dependent bitmap
 546     int width = image.GetWidth();
 547     int height = image.GetHeight();
 548
 549     // Create picture
 550
 551     Create( width , height , wxDisplayDepth() ) ;
 552     wxBitmap maskBitmap( width, height, 1);
 553
 554     CGrafPtr origPort ;
 555     GDHandle origDevice ;
 556
 557     LockPixels( GetGWorldPixMap(GetHBITMAP()) );
 558     LockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
 559
 560     GetGWorld( &origPort , &origDevice ) ;
 561     SetGWorld( GetHBITMAP() , NULL ) ;
 562
 563     // Render image
 564     wxColour rgb, maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue());
 565     RGBColor color;
 566     RGBColor white = { 0xffff, 0xffff, 0xffff };
 567     RGBColor black = { 0     , 0     , 0      };
 568
 569     register unsigned char* data = image.GetData();
 570
 571     int index = 0;
 572     for (int y = 0; y < height; y++)
 573     {
 574         for (int x = 0; x < width; x++)
 575         {
 576             rgb.Set(data[index++], data[index++], data[index++]);
 577             color = rgb.GetPixel();
 578             SetCPixel( x , y , &color ) ;
 579             if (image.HasMask())
 580             {
 581                 SetGWorld(maskBitmap.GetHBITMAP(), NULL);
 582                 if (rgb == maskcolor) {
 583                     SetCPixel(x,y, &white);
 584                 }
 585                 else {
 586                     SetCPixel(x,y, &black);
 587                 }
 588                 SetGWorld(GetHBITMAP(), NULL);
 589             }
 590         }
 591     }  // for height
 592
 593     // Create mask
 594     if ( image.HasMask() ) {
 595         SetMask(new wxMask( maskBitmap ));
 596     }
 597
 598     UnlockPixels( GetGWorldPixMap(GetHBITMAP()) );
 599     UnlockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) );
 600     SetGWorld( origPort, origDevice );
 601 }
 602
 603 wxImage wxBitmap::ConvertToImage() const
 604 {
 605     wxImage image;
 606
 607     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 608
 609     // create an wxImage object
 610     int width = GetWidth();
 611     int height = GetHeight();
 612     image.Create( width, height );
 613
 614     unsigned char *data = image.GetData();
 615
 616     wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
 617
 618     WXHBITMAP origPort;
 619     GDHandle  origDevice;
 620     int      index;
 621     RGBColor color;
 622     // background color set to RGB(16,16,16) in consistent with wxGTK
 623     unsigned char mask_r=16, mask_g=16, mask_b=16;
 624     SInt16   r,g,b;
 625     wxMask  *mask = GetMask();
 626
 627     GetGWorld( &origPort, &origDevice );
 628     LockPixels(GetGWorldPixMap(GetHBITMAP()));
 629     SetGWorld( GetHBITMAP(), NULL);
 630
 631     // Copy data into image
 632     index = 0;
 633     for (int yy = 0; yy < height; yy++)
 634     {
 635         for (int xx = 0; xx < width; xx++)
 636         {
 637             GetCPixel(xx,yy, &color);
 638             r = ((color.red ) >> 8);
 639             g = ((color.green ) >> 8);
 640             b = ((color.blue ) >> 8);
 641             data[index    ] = r;
 642             data[index + 1] = g;
 643             data[index + 2] = b;
 644             if (mask)
 645             {
 646                 if (mask->PointMasked(xx,yy))
 647                 {
 648                     data[index    ] = mask_r;
 649                     data[index + 1] = mask_g;
 650                     data[index + 2] = mask_b;
 651                 }
 652             }
 653             index += 3;
 654         }
 655     }
 656     if (mask)
 657     {
 658         image.SetMaskColour( mask_r, mask_g, mask_b );
 659         image.SetMask( true );
 660     }
 661
 662     // Free resources
 663     UnlockPixels(GetGWorldPixMap(GetHBITMAP()));
 664     SetGWorld(origPort, origDevice);
 665
 666     return image;
 667 }
 668
 669
 670 bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type,
 671                         const wxPalette *palette) const
 672 {
 673     wxBitmapHandler *handler = FindHandler(type);
 674
 675     if ( handler )
 676     {
 677         return handler->SaveFile(this, filename, type, palette);
 678     }
 679     else
 680     {
 681         wxImage image = ConvertToImage();
 682
 683         return image.SaveFile(filename, type);
 684     }
 685
 686     wxLogWarning("no bitmap handler for type %d defined.", type);
 687     return false;
 688 }
 689
 690 bool wxBitmap::Ok() const
 691 {
 692    return (M_BITMAPDATA && M_BITMAPDATA->m_ok);
 693 }
 694
 695 int wxBitmap::GetHeight() const
 696 {
 697    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 698
 699    return M_BITMAPDATA->m_height;
 700 }
 701
 702 int wxBitmap::GetWidth() const
 703 {
 704    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 705
 706    return M_BITMAPDATA->m_width;
 707 }
 708
 709 int wxBitmap::GetDepth() const
 710 {
 711    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 712
 713    return M_BITMAPDATA->m_depth;
 714 }
 715
 716 int wxBitmap::GetQuality() const
 717 {
 718    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 719
 720    return M_BITMAPDATA->m_quality;
 721 }
 722
 723 wxMask *wxBitmap::GetMask() const
 724 {
 725    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 726
 727    return M_BITMAPDATA->m_bitmapMask;
 728 }
 729
 730 void wxBitmap::SetWidth(int w)
 731 {
 732     if (!M_BITMAPDATA)
 733         m_refData = new wxBitmapRefData;
 734
 735     M_BITMAPDATA->m_width = w;
 736 }
 737
 738 void wxBitmap::SetHeight(int h)
 739 {
 740     if (!M_BITMAPDATA)
 741         m_refData = new wxBitmapRefData;
 742
 743     M_BITMAPDATA->m_height = h;
 744 }
 745
 746 void wxBitmap::SetDepth(int d)
 747 {
 748     if (!M_BITMAPDATA)
 749         m_refData = new wxBitmapRefData;
 750
 751     M_BITMAPDATA->m_depth = d;
 752 }
 753
 754 void wxBitmap::SetQuality(int q)
 755 {
 756     if (!M_BITMAPDATA)
 757         m_refData = new wxBitmapRefData;
 758
 759     M_BITMAPDATA->m_quality = q;
 760 }
 761
 762 void wxBitmap::SetOk(bool isOk)
 763 {
 764     if (!M_BITMAPDATA)
 765         m_refData = new wxBitmapRefData;
 766
 767     M_BITMAPDATA->m_ok = isOk;
 768 }
 769
 770 wxPalette *wxBitmap::GetPalette() const
 771 {
 772    wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap  GetPalette()") );
 773
 774    return &M_BITMAPDATA->m_bitmapPalette;
 775 }
 776
 777 void wxBitmap::SetPalette(const wxPalette& palette)
 778 {
 779     if (!M_BITMAPDATA)
 780         m_refData = new wxBitmapRefData;
 781
 782     M_BITMAPDATA->m_bitmapPalette = palette ;
 783 }
 784
 785 void wxBitmap::SetMask(wxMask *mask)
 786 {
 787     if (!M_BITMAPDATA)
 788         m_refData = new wxBitmapRefData;
 789
 790     // Remove existing mask if there is one.
 791     if (M_BITMAPDATA->m_bitmapMask)
 792         delete M_BITMAPDATA->m_bitmapMask;
 793
 794     M_BITMAPDATA->m_bitmapMask = mask ;
 795 }
 796
 797 WXHBITMAP wxBitmap::GetHBITMAP() const
 798 {
 799    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
 800
 801    return M_BITMAPDATA->m_hBitmap;
 802 }
 803
 804 PicHandle wxBitmap::GetPict() const
 805 {
 806    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
 807
 808    PicHandle picture;       // This is the returned picture
 809
 810    // If bitmap already in Pict format return pointer
 811    if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) {
 812        return M_BITMAPDATA->m_hPict;
 813    }
 814    else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) {
 815        // Invalid bitmap
 816        return NULL;
 817    }
 818
 819    RGBColor  gray = { 0xCCCC ,0xCCCC , 0xCCCC } ;
 820    RGBColor  white = { 0xffff ,0xffff , 0xffff } ;
 821    RGBColor  black = { 0x0000 ,0x0000 , 0x0000 } ;
 822    CGrafPtr  origPort;
 823    GDHandle  origDev ;
 824    wxMask   *mask;
 825    Rect      portRect ;
 826
 827    GetPortBounds( GetHBITMAP() , &portRect ) ;
 828    int width = portRect.right - portRect.left ;
 829    int height = portRect.bottom - portRect.top ;
 830
 831    LockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ;
 832    GetGWorld( &origPort , &origDev ) ;
 833
 834    mask = GetMask();
 835
 836    SetGWorld( GetHBITMAP() , NULL ) ;
 837
 838    picture = OpenPicture(&portRect);   // open a picture, this disables drawing
 839    if(!picture) {
 840        return NULL;
 841    }
 842
 843    if( mask )
 844    {
 845 #ifdef __UNIX__
 846        RGBColor trans = white;
 847 #else
 848        RGBBackColor( &gray );
 849        EraseRect( &portRect );
 850        RGBColor trans = gray;
 851 #endif
 852        RGBForeColor( &black ) ;
 853        RGBBackColor( &white ) ;
 854        PenMode(transparent);
 855
 856        for ( int y = 0 ; y < height ; ++y )
 857        {
 858            for( int x = 0 ; x < width ; ++x )
 859            {
 860                if ( !mask->PointMasked(x,y) )
 861                {
 862                    RGBColor col ;
 863
 864                    GetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 865                    SetCPixel( x + portRect.left , y + portRect.top , &col ) ;
 866                }
 867                else {
 868                    // With transparency this sets a blank pixel
 869                    SetCPixel( x + portRect.left , y + portRect.top , &trans);
 870                }
 871            }
 872        }
 873    }
 874    else
 875    {
 876        RGBBackColor( &gray ) ;
 877        EraseRect(&portRect);
 878        RGBForeColor( &black ) ;
 879        RGBBackColor( &white ) ;
 880
 881        CopyBits(GetPortBitMapForCopyBits(GetHBITMAP()),
 882                 // src PixMap - we copy image over itself -
 883                 GetPortBitMapForCopyBits(GetHBITMAP()),
 884                 //  dst PixMap - no drawing occurs
 885                 &portRect,    // srcRect - it will be recorded and compressed -
 886                 &portRect,    // dstRect - into the picture that is open -
 887                 srcCopy,NULL); // copyMode and no clip region
 888    }
 889    ClosePicture();                  // We are done recording the picture
 890    UnlockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ;
 891    SetGWorld( origPort , origDev ) ;
 892
 893    return picture;                  // return our groovy pict handle
 894 }
 895
 896 void wxBitmap::AddHandler(wxBitmapHandler *handler)
 897 {
 898     sm_handlers.Append(handler);
 899 }
 900
 901 void wxBitmap::InsertHandler(wxBitmapHandler *handler)
 902 {
 903     sm_handlers.Insert(handler);
 904 }
 905
 906 bool wxBitmap::RemoveHandler(const wxString& name)
 907 {
 908     wxBitmapHandler *handler = FindHandler(name);
 909     if ( handler )
 910     {
 911         sm_handlers.DeleteObject(handler);
 912         return TRUE;
 913     }
 914     else
 915         return FALSE;
 916 }
 917
 918 wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
 919 {
 920     wxNode *node = sm_handlers.First();
 921     while ( node )
 922     {
 923         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 924         if ( handler->GetName() == name )
 925             return handler;
 926         node = node->Next();
 927     }
 928     return NULL;
 929 }
 930
 931 wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, wxBitmapType type)
 932 {
 933     wxNode *node = sm_handlers.First();
 934     while ( node )
 935     {
 936         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 937         if ( handler->GetExtension() == extension &&
 938                     (type == -1 || handler->GetType() == type) )
 939             return handler;
 940         node = node->Next();
 941     }
 942     return NULL;
 943 }
 944
 945 wxBitmapHandler *wxBitmap::FindHandler(wxBitmapType type)
 946 {
 947     wxNode *node = sm_handlers.First();
 948     while ( node )
 949     {
 950         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
 951         if (handler->GetType() == type)
 952             return handler;
 953         node = node->Next();
 954     }
 955     return NULL;
 956 }
 957
 958 /*
 959  * wxMask
 960  */
 961
 962 wxMask::wxMask()
 963 {
 964     m_maskBitmap = 0;
 965 }
 966
 967 // Construct a mask from a bitmap and a colour indicating
 968 // the transparent area
 969 wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
 970 {
 971     m_maskBitmap = 0;
 972     Create(bitmap, colour);
 973 }
 974
 975 // Construct a mask from a bitmap and a palette index indicating
 976 // the transparent area
 977 wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
 978 {
 979     m_maskBitmap = 0;
 980     Create(bitmap, paletteIndex);
 981 }
 982
 983 // Construct a mask from a mono bitmap (copies the bitmap).
 984 wxMask::wxMask(const wxBitmap& bitmap)
 985 {
 986     m_maskBitmap = 0;
 987     Create(bitmap);
 988 }
 989
 990 wxMask::~wxMask()
 991 {
 992         if ( m_maskBitmap )
 993         {
 994                 wxMacDestroyGWorld( m_maskBitmap ) ;
 995                 m_maskBitmap = NULL ;
 996         }
 997 }
 998
 999 // Create a mask from a mono bitmap (copies the bitmap).
1000 bool wxMask::Create(const wxBitmap& bitmap)
1001 {
1002    if ( m_maskBitmap )
1003    {
1004        wxMacDestroyGWorld( m_maskBitmap ) ;
1005        m_maskBitmap = NULL ;
1006    }
1007    wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
1008                 wxT("Cannot create mask from this bitmap type (TODO)"));
1009    // other types would require a temporary bitmap. not yet implemented
1010
1011    wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap"));
1012
1013    wxCHECK_MSG(bitmap.GetDepth() == 1, false,
1014                wxT("Cannot create mask from colour bitmap"));
1015
1016    m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1);
1017    Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() };
1018
1019    LockPixels( GetGWorldPixMap(m_maskBitmap) );
1020    LockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
1021    CopyBits(GetPortBitMapForCopyBits(bitmap.GetHBITMAP()),
1022             GetPortBitMapForCopyBits(m_maskBitmap),
1023             &rect, &rect, srcCopy, 0);
1024    UnlockPixels( GetGWorldPixMap(m_maskBitmap) );
1025    UnlockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) );
1026
1027    return FALSE;
1028 }
1029
1030 // Create a mask from a bitmap and a palette index indicating
1031 // the transparent area
1032 bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
1033 {
1034 // TODO
1035     wxCHECK_MSG( 0, false, wxT("Not implemented"));
1036     return FALSE;
1037 }
1038
1039 // Create a mask from a bitmap and a colour indicating
1040 // the transparent area
1041 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
1042 {
1043         if ( m_maskBitmap )
1044         {
1045                 wxMacDestroyGWorld( m_maskBitmap ) ;
1046                 m_maskBitmap = NULL ;
1047         }
1048         wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false,
1049                  wxT("Cannot create mask from this bitmap type (TODO)"));
1050         // other types would require a temporary bitmap. not yet implemented
1051
1052     wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap"));
1053
1054         m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 );
1055         LockPixels( GetGWorldPixMap( m_maskBitmap ) );
1056         LockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) );
1057         RGBColor maskColor = colour.GetPixel();
1058
1059     // this is not very efficient, but I can't think
1060     // of a better way of doing it
1061         CGrafPtr        origPort ;
1062         GDHandle        origDevice ;
1063     RGBColor  col;
1064     RGBColor  colors[2] = {
1065         { 0xFFFF, 0xFFFF, 0xFFFF },
1066         { 0,      0,      0 }};
1067
1068         GetGWorld( &origPort , &origDevice ) ;
1069         for (int w = 0; w < bitmap.GetWidth(); w++)
1070     {
1071         for (int h = 0; h < bitmap.GetHeight(); h++)
1072         {
1073                         SetGWorld( bitmap.GetHBITMAP(), NULL ) ;
1074                         GetCPixel( w , h , &col ) ;
1075                         SetGWorld( m_maskBitmap , NULL ) ;
1076             if (col.red == maskColor.red && col.green == maskColor.green && col.blue == maskColor.blue)
1077             {
1078                                 SetCPixel( w , h , &colors[0] ) ;
1079             }
1080             else
1081             {
1082                                 SetCPixel( w , h , &colors[1] ) ;
1083             }
1084         }
1085     }
1086         UnlockPixels( GetGWorldPixMap( (CGrafPtr) m_maskBitmap ) ) ;
1087         UnlockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) ) ;
1088         SetGWorld( origPort , origDevice ) ;
1089
1090     return TRUE;
1091 }
1092
1093 bool wxMask::PointMasked(int x, int y)
1094 {
1095    WXHBITMAP origPort;
1096    GDHandle  origDevice;
1097    RGBColor  color;
1098    bool masked = true;
1099
1100    GetGWorld( &origPort, &origDevice);
1101
1102    //Set port to mask and see if it masked (1) or not ( 0 )
1103    SetGWorld(m_maskBitmap, NULL);
1104    LockPixels(GetGWorldPixMap(m_maskBitmap));
1105    GetCPixel(x,y, &color);
1106    masked = !(color.red == 0 && color.green == 0 && color.blue == 0);
1107    UnlockPixels(GetGWorldPixMap(m_maskBitmap));
1108
1109    SetGWorld( origPort, origDevice);
1110
1111    return masked;
1112 }
1113
1114 /*
1115  * wxBitmapHandler
1116  */
1117
1118 IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
1119
1120 bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
1121 {
1122     return FALSE;
1123 }
1124
1125 bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1126         int desiredWidth, int desiredHeight)
1127 {
1128     return FALSE;
1129 }
1130
1131 bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
1132 {
1133     return FALSE;
1134 }
1135
1136 /*
1137  * Standard handlers
1138  */
1139
1140 class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
1141 {
1142     DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
1143 public:
1144     inline wxPICTResourceHandler()
1145     {
1146         m_name = "Macintosh Pict resource";
1147         m_extension = "";
1148         m_type = wxBITMAP_TYPE_PICT_RESOURCE;
1149     };
1150
1151     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1152           int desiredWidth, int desiredHeight);
1153 };
1154 IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
1155
1156 bool  wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1157           int desiredWidth, int desiredHeight)
1158 {
1159         Str255 theName ;
1160
1161 #if TARGET_CARBON
1162         c2pstrcpy( (StringPtr) theName , name ) ;
1163 #else
1164         strcpy( (char *) theName , name ) ;
1165         c2pstr( (char *)theName ) ;
1166 #endif
1167
1168         PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
1169         if ( thePict )
1170         {
1171                 PictInfo theInfo ;
1172
1173                 GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ;
1174                 DetachResource( (Handle) thePict ) ;
1175                 M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ;
1176                 M_BITMAPHANDLERDATA->m_hPict = thePict ;
1177                 M_BITMAPHANDLERDATA->m_width =  theInfo.sourceRect.right - theInfo.sourceRect.left ;
1178                 M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ;
1179
1180                 M_BITMAPHANDLERDATA->m_depth = theInfo.depth ;
1181                 M_BITMAPHANDLERDATA->m_ok = true ;
1182                 M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ;
1183 //              M_BITMAPHANDLERDATA->m_bitmapPalette;
1184 //              M_BITMAPHANDLERDATA->m_quality;
1185                 return TRUE ;
1186         }
1187         return FALSE ;
1188 }
1189
1190 #if 0   // The following is an example for creating a bitmap handler
1191
1192 // TODO: bitmap handlers, a bit like this:
1193 class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
1194 {
1195     DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
1196 public:
1197     inline wxBMPResourceHandler()
1198     {
1199         m_name = "Windows bitmap resource";
1200         m_extension = "";
1201         m_type = wxBITMAP_TYPE_BMP_RESOURCE;
1202     };
1203
1204     virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
1205           int desiredWidth, int desiredHeight);
1206 };
1207 IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
1208
1209 #endif
1210
1211 void wxBitmap::CleanUpHandlers()
1212 {
1213     wxNode *node = sm_handlers.First();
1214     while ( node )
1215     {
1216         wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
1217         wxNode *next = node->Next();
1218         delete handler;
1219         delete node;
1220         node = next;
1221     }
1222 }
1223
1224 void wxBitmap::InitStandardHandlers()
1225 {
1226     AddHandler(new wxPICTResourceHandler) ;
1227     AddHandler(new wxICONResourceHandler) ;
1228 }