src/mac/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/dc.h"
  17 #include "wx/app.h"
  18 #include "wx/mac/uma.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/region.h"
  21 #include "wx/image.h"
  22
  23
  24 #if __MSL__ >= 0x6000
  25 #include "math.h"
  26 using namespace std ;
  27 #endif
  28
  29 #include "wx/mac/private.h"
  30
  31
  32 #if !USE_SHARED_LIBRARY
  33 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  34 #endif
  35
  36 //-----------------------------------------------------------------------------
  37 // constants
  38 //-----------------------------------------------------------------------------
  39
  40 #define mm2inches               0.0393700787402
  41 #define inches2mm               25.4
  42 #define mm2twips                56.6929133859
  43 #define twips2mm                0.0176388888889
  44 #define mm2pt                   2.83464566929
  45 #define pt2mm                   0.352777777778
  46 #ifndef __DARWIN__
  47 const double M_PI = 3.14159265358979 ;
  48 #endif
  49 const double RAD2DEG  = 180.0 / M_PI;
  50 const short kEmulatedMode = -1 ;
  51 const short kUnsupportedMode = -2 ;
  52
  53 #define wxMAC_EXPERIMENTAL_PATTERN 0
  54
  55 //-----------------------------------------------------------------------------
  56 // Local functions
  57 //-----------------------------------------------------------------------------
  58
  59 static inline double dmin(double a, double b) { return a < b ? a : b; }
  60 static inline double dmax(double a, double b) { return a > b ? a : b; }
  61 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
  62
  63 //-----------------------------------------------------------------------------
  64 // wxDC
  65 //-----------------------------------------------------------------------------
  66
  67 // this function emulates all wx colour manipulations, used to verify the implementation
  68 // by setting the mode in the blitting functions to kEmulatedMode
  69
  70 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
  71 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
  72 {
  73     switch ( logical_func )
  74     {
  75         case wxAND:        // src AND dst
  76             dstColor.red = dstColor.red & srcColor.red ;
  77             dstColor.green = dstColor.green & srcColor.green ;
  78             dstColor.blue = dstColor.blue & srcColor.blue ;
  79             break ;
  80         case wxAND_INVERT: // (NOT src) AND dst
  81             dstColor.red = dstColor.red & ~srcColor.red ;
  82             dstColor.green = dstColor.green & ~srcColor.green ;
  83             dstColor.blue = dstColor.blue & ~srcColor.blue ;
  84             break ;
  85         case wxAND_REVERSE:// src AND (NOT dst)
  86             dstColor.red = ~dstColor.red & srcColor.red ;
  87             dstColor.green = ~dstColor.green & srcColor.green ;
  88             dstColor.blue = ~dstColor.blue & srcColor.blue ;
  89             break ;
  90         case wxCLEAR:      // 0
  91             dstColor.red = 0 ;
  92             dstColor.green = 0 ;
  93             dstColor.blue = 0 ;
  94             break ;
  95         case wxCOPY:       // src
  96             dstColor.red = srcColor.red ;
  97             dstColor.green = srcColor.green ;
  98             dstColor.blue = srcColor.blue ;
  99                 break ;
 100         case wxEQUIV:      // (NOT src) XOR dst
 101             dstColor.red = dstColor.red ^ ~srcColor.red ;
 102             dstColor.green = dstColor.green ^ ~srcColor.green ;
 103             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 104             break ;
 105         case wxINVERT:     // NOT dst
 106             dstColor.red = ~dstColor.red ;
 107             dstColor.green = ~dstColor.green ;
 108             dstColor.blue = ~dstColor.blue ;
 109                 break ;
 110         case wxNAND:       // (NOT src) OR (NOT dst)
 111             dstColor.red = ~dstColor.red | ~srcColor.red ;
 112             dstColor.green = ~dstColor.green | ~srcColor.green ;
 113             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 114             break ;
 115         case wxNOR:        // (NOT src) AND (NOT dst)
 116             dstColor.red = ~dstColor.red & ~srcColor.red ;
 117             dstColor.green = ~dstColor.green & ~srcColor.green ;
 118             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 119             break ;
 120         case wxNO_OP:      // dst
 121             break ;
 122         case wxOR:         // src OR dst
 123             dstColor.red = dstColor.red | srcColor.red ;
 124             dstColor.green = dstColor.green | srcColor.green ;
 125             dstColor.blue = dstColor.blue | srcColor.blue ;
 126             break ;
 127         case wxOR_INVERT:  // (NOT src) OR dst
 128             dstColor.red = dstColor.red | ~srcColor.red ;
 129             dstColor.green = dstColor.green | ~srcColor.green ;
 130             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 131             break ;
 132         case wxOR_REVERSE: // src OR (NOT dst)
 133             dstColor.red = ~dstColor.red | srcColor.red ;
 134             dstColor.green = ~dstColor.green | srcColor.green ;
 135             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 136                 break ;
 137         case wxSET:        // 1
 138             dstColor.red = 0xFFFF ;
 139             dstColor.green = 0xFFFF ;
 140             dstColor.blue = 0xFFFF ;
 141             break ;
 142         case wxSRC_INVERT: // (NOT src)
 143             dstColor.red = ~srcColor.red ;
 144             dstColor.green = ~srcColor.green ;
 145             dstColor.blue = ~srcColor.blue ;
 146                 break ;
 147         case wxXOR:        // src XOR dst
 148             dstColor.red = dstColor.red ^ srcColor.red ;
 149             dstColor.green = dstColor.green ^ srcColor.green ;
 150             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 151                 break ;
 152     }
 153
 154 }
 155
 156 wxDC::wxDC()
 157 {
 158   m_ok = FALSE;
 159   m_colour = TRUE;
 160
 161   m_mm_to_pix_x = mm2pt;
 162   m_mm_to_pix_y = mm2pt;
 163
 164   m_internalDeviceOriginX = 0;
 165   m_internalDeviceOriginY = 0;
 166   m_externalDeviceOriginX = 0;
 167   m_externalDeviceOriginY = 0;
 168
 169   m_logicalScaleX = 1.0;
 170   m_logicalScaleY = 1.0;
 171   m_userScaleX = 1.0;
 172   m_userScaleY = 1.0;
 173   m_scaleX = 1.0;
 174   m_scaleY = 1.0;
 175
 176   m_needComputeScaleX = FALSE;
 177   m_needComputeScaleY = FALSE;
 178
 179   m_macPort = NULL ;
 180   m_macMask = NULL ;
 181   m_ok = FALSE ;
 182
 183         m_macFontInstalled = false ;
 184         m_macBrushInstalled = false ;
 185         m_macPenInstalled = false ;
 186
 187         m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 188         m_macBoundaryClipRgn = NewRgn() ;
 189         m_macCurrentClipRgn = NewRgn() ;
 190
 191         SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 192         SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 193
 194     m_pen = *wxBLACK_PEN;
 195     m_font = *wxNORMAL_FONT;
 196     m_brush = *wxWHITE_BRUSH;
 197 }
 198 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
 199         m_ph( (GrafPtr) dc->m_macPort )
 200 {
 201         wxASSERT( dc->Ok() ) ;
 202
 203         dc->MacSetupPort(&m_ph) ;
 204 }
 205
 206 wxMacPortSetter::~wxMacPortSetter()
 207 {
 208 }
 209
 210 wxDC::~wxDC(void)
 211 {
 212     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 213     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 214 }
 215 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 216 {
 217         SetClip( (RgnHandle) m_macCurrentClipRgn);
 218
 219         m_macFontInstalled = false ;
 220         m_macBrushInstalled = false ;
 221         m_macPenInstalled = false ;
 222 }
 223
 224 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 225 {
 226      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 227
 228      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 229
 230      wxMacPortSetter helper(this) ;
 231
 232      wxCoord xx = XLOG2DEVMAC(x);
 233      wxCoord yy = YLOG2DEVMAC(y);
 234      wxCoord w = bmp.GetWidth();
 235      wxCoord h = bmp.GetHeight();
 236      wxCoord ww = XLOG2DEVREL(w);
 237      wxCoord hh = YLOG2DEVREL(h);
 238
 239      // Set up drawing mode
 240      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 241                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 242                     //m_logicalFunction == wxSET ? BLACKNESS :
 243                     m_logicalFunction == wxINVERT ? hilite :
 244                    //m_logicalFunction == wxAND ? MERGECOPY :
 245                     m_logicalFunction == wxOR ? srcOr :
 246                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 247                     m_logicalFunction == wxXOR ? srcXor :
 248                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 249                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 250                     //m_logicalFunction == wxSRC_OR ? srcOr :
 251                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 252                     srcCopy );
 253
 254      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 255          Rect bitmaprect = { 0 , 0 , hh, ww };
 256          ::OffsetRect( &bitmaprect, xx, yy ) ;
 257          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 258     }
 259      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 260      {
 261          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 262          PixMapHandle bmappixels ;
 263
 264          // Set foreground and background colours (for bitmaps depth = 1)
 265          if(bmp.GetDepth() == 1)
 266         {
 267              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 268              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 269              RGBForeColor(&fore);
 270              RGBBackColor(&back);
 271          }
 272          else
 273          {
 274              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 275              RGBColor black = { 0,0,0} ;
 276              RGBForeColor( &black ) ;
 277              RGBBackColor( &white ) ;
 278          }
 279
 280          bmappixels = GetGWorldPixMap( bmapworld ) ;
 281
 282          wxCHECK_RET(LockPixels(bmappixels),
 283                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 284
 285          Rect source = { 0, 0, h, w };
 286          Rect dest   = { yy, xx, yy + hh, xx + ww };
 287
 288          if ( useMask && bmp.GetMask() )
 289          {
 290              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 291              {
 292                  CopyDeepMask
 293                      (
 294                       GetPortBitMapForCopyBits(bmapworld),
 295                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 296                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 297                       &source, &source, &dest, mode, NULL
 298                       );
 299                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 300              }
 301          }
 302          else {
 303              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 304                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 305                        &source, &dest, mode, NULL ) ;
 306          }
 307          UnlockPixels( bmappixels ) ;
 308      }
 309      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 310      {
 311         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 312         OffsetRect( &bitmaprect, xx, yy ) ;
 313         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 314      }
 315      m_macPenInstalled = false ;
 316      m_macBrushInstalled = false ;
 317      m_macFontInstalled = false ;
 318
 319 }
 320
 321 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 322 {
 323      wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 324
 325      wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 326
 327     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 328 }
 329 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 330 {
 331     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 332     wxCoord xx, yy, ww, hh;
 333
 334     xx = XLOG2DEVMAC(x);
 335     yy = YLOG2DEVMAC(y);
 336     ww = XLOG2DEVREL(width);
 337     hh = YLOG2DEVREL(height);
 338
 339     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 340     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 341
 342     if( m_clipping )
 343     {
 344         m_clipX1 = wxMax( m_clipX1 , xx );
 345         m_clipY1 = wxMax( m_clipY1 , yy );
 346         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 347         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 348     }
 349     else
 350     {
 351         m_clipping = TRUE;
 352         m_clipX1 = xx;
 353         m_clipY1 = yy;
 354         m_clipX2 = xx + ww;
 355         m_clipY2 = yy + hh;
 356     }
 357
 358 }
 359 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 360 {
 361     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 362
 363         wxMacPortSetter helper(this) ;
 364     if (region.Empty())
 365     {
 366         DestroyClippingRegion();
 367         return;
 368     }
 369
 370     wxCoord x, y, w, h;
 371     region.GetBox( x, y, w, h );
 372     wxCoord xx, yy, ww, hh;
 373
 374     xx = XLOG2DEVMAC(x);
 375     yy = YLOG2DEVMAC(y);
 376     ww = XLOG2DEVREL(w);
 377     hh = YLOG2DEVREL(h);
 378
 379     // if we have a scaling that we cannot map onto native regions
 380     // we must use the box
 381
 382     if ( ww != w || hh != h )
 383     {
 384         wxDC::DoSetClippingRegion( x, y, w, h );
 385     }
 386     else
 387     {
 388         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 389         if ( xx != x || yy != y )
 390         {
 391             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 392         }
 393         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 394         if( m_clipping )
 395         {
 396             m_clipX1 = wxMax( m_clipX1 , xx );
 397             m_clipY1 = wxMax( m_clipY1 , yy );
 398             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 399             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 400         }
 401         else
 402         {
 403             m_clipping = TRUE;
 404             m_clipX1 = xx;
 405             m_clipY1 = yy;
 406             m_clipX2 = xx + ww;
 407             m_clipY2 = yy + hh;
 408         }
 409     }
 410
 411 }
 412
 413 void wxDC::DestroyClippingRegion()
 414 {
 415   wxMacPortSetter helper(this) ;
 416   CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 417   m_clipping = FALSE;
 418 }
 419 void wxDC::DoGetSize( int* width, int* height ) const
 420 {
 421   *width = m_maxX-m_minX;
 422   *height = m_maxY-m_minY;
 423 }
 424 void wxDC::DoGetSizeMM( int* width, int* height ) const
 425 {
 426   int w = 0;
 427   int h = 0;
 428   GetSize( &w, &h );
 429   *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 430   *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 431 }
 432 void wxDC::SetTextForeground( const wxColour &col )
 433 {
 434     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 435     m_textForegroundColour = col;
 436     m_macFontInstalled = false ;
 437 }
 438 void wxDC::SetTextBackground( const wxColour &col )
 439 {
 440     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 441     m_textBackgroundColour = col;
 442     m_macFontInstalled = false ;
 443 }
 444 void wxDC::SetMapMode( int mode )
 445 {
 446   switch (mode)
 447   {
 448     case wxMM_TWIPS:
 449       SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 450       break;
 451     case wxMM_POINTS:
 452       SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 453       break;
 454     case wxMM_METRIC:
 455       SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 456       break;
 457     case wxMM_LOMETRIC:
 458       SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 459       break;
 460     default:
 461     case wxMM_TEXT:
 462       SetLogicalScale( 1.0, 1.0 );
 463       break;
 464   }
 465   if (mode != wxMM_TEXT)
 466   {
 467     m_needComputeScaleX = TRUE;
 468     m_needComputeScaleY = TRUE;
 469   }
 470 }
 471 void wxDC::SetUserScale( double x, double y )
 472 {
 473   // allow negative ? -> no
 474   m_userScaleX = x;
 475   m_userScaleY = y;
 476   ComputeScaleAndOrigin();
 477 }
 478 void wxDC::SetLogicalScale( double x, double y )
 479 {
 480   // allow negative ?
 481   m_logicalScaleX = x;
 482   m_logicalScaleY = y;
 483   ComputeScaleAndOrigin();
 484 }
 485 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 486 {
 487   m_logicalOriginX = x * m_signX;   // is this still correct ?
 488   m_logicalOriginY = y * m_signY;
 489   ComputeScaleAndOrigin();
 490 }
 491 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 492 {
 493   m_externalDeviceOriginX = x;
 494   m_externalDeviceOriginY = y;
 495   ComputeScaleAndOrigin();
 496 }
 497
 498 #if 0
 499 void wxDC::SetInternalDeviceOrigin( long x, long y )
 500 {
 501   m_internalDeviceOriginX = x;
 502   m_internalDeviceOriginY = y;
 503   ComputeScaleAndOrigin();
 504 }
 505 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 506 {
 507   if (x) *x = m_internalDeviceOriginX;
 508   if (y) *y = m_internalDeviceOriginY;
 509 }
 510 #endif
 511 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 512 {
 513   m_signX = (xLeftRight ?  1 : -1);
 514   m_signY = (yBottomUp  ? -1 :  1);
 515   ComputeScaleAndOrigin();
 516 }
 517
 518 wxSize wxDC::GetPPI() const
 519 {
 520     return wxSize(72, 72);
 521 }
 522
 523 int wxDC::GetDepth() const
 524 {
 525         return wxDisplayDepth() ;
 526 }
 527
 528 void wxDC::ComputeScaleAndOrigin()
 529 {
 530   // CMB: copy scale to see if it changes
 531   double origScaleX = m_scaleX;
 532   double origScaleY = m_scaleY;
 533
 534   m_scaleX = m_logicalScaleX * m_userScaleX;
 535   m_scaleY = m_logicalScaleY * m_userScaleY;
 536
 537   m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 538   m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 539
 540   // CMB: if scale has changed call SetPen to recalulate the line width
 541   if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 542   {
 543     // this is a bit artificial, but we need to force wxDC to think
 544     // the pen has changed
 545     wxPen* pen = & GetPen();
 546     wxPen tempPen;
 547     m_pen = tempPen;
 548     SetPen(* pen);
 549   }
 550 }
 551 void  wxDC::SetPalette( const wxPalette& palette )
 552 {
 553 }
 554
 555 void  wxDC::SetBackgroundMode( int mode )
 556 {
 557         m_backgroundMode = mode ;
 558 }
 559
 560 void  wxDC::SetFont( const wxFont &font )
 561 {
 562     m_font = font;
 563     m_macFontInstalled = false ;
 564 }
 565
 566 void  wxDC::SetPen( const wxPen &pen )
 567 {
 568         if ( m_pen == pen )
 569                 return ;
 570
 571   m_pen = pen;
 572
 573   m_macPenInstalled = false ;
 574 }
 575
 576 void  wxDC::SetBrush( const wxBrush &brush )
 577 {
 578   if (m_brush == brush)
 579         return;
 580
 581   m_brush = brush;
 582   m_macBrushInstalled = false ;
 583 }
 584
 585 void  wxDC::SetBackground( const wxBrush &brush )
 586 {
 587   if (m_backgroundBrush == brush)
 588         return;
 589
 590   m_backgroundBrush = brush;
 591
 592   if (!m_backgroundBrush.Ok())
 593         return;
 594    m_macBrushInstalled = false ;
 595 }
 596
 597 void  wxDC::SetLogicalFunction( int function )
 598 {
 599         if (m_logicalFunction == function)
 600                 return;
 601
 602         m_logicalFunction = function ;
 603         m_macFontInstalled = false ;
 604         m_macBrushInstalled = false ;
 605         m_macPenInstalled = false ;
 606 }
 607
 608 void  wxDC::DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
 609                              int style )
 610 {
 611 }
 612
 613 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 614 {
 615     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 616     wxMacPortSetter helper(this) ;
 617
 618     RGBColor colour;
 619
 620     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 621
 622     // Convert from Mac colour to wx
 623     col->Set( colour.red   >> 8,
 624               colour.green >> 8,
 625               colour.blue  >> 8);
 626
 627     return true ;
 628 }
 629
 630 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 631 {
 632   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 633
 634   wxMacPortSetter helper(this) ;
 635
 636   if (m_pen.GetStyle() != wxTRANSPARENT)
 637   {
 638                 MacInstallPen() ;
 639                 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 640                             m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 641
 642         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 643         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 644         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 645         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 646
 647         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 648             (m_pen.GetWidth() <= 1))
 649         {
 650             // Implement LAST_NOT for MAC at least for
 651             // orthogonal lines. RR.
 652                 if (xx1 == xx2)
 653                 {
 654                         if (yy1 < yy2)
 655                                 yy2--;
 656                     if (yy1 > yy2)
 657                         yy2++;
 658                 }
 659                 if (yy1 == yy2)
 660                 {
 661                         if (xx1 < xx2)
 662                                 xx2--;
 663                     if (xx1 > xx2)
 664                         xx2++;
 665                 }
 666         }
 667
 668                 ::MoveTo(xx1, yy1);
 669                 ::LineTo(xx2, yy2);
 670   }
 671 }
 672
 673 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 674 {
 675     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 676
 677     if (m_pen.GetStyle() != wxTRANSPARENT)
 678     {
 679         int w = 0;
 680         int h = 0;
 681         GetSize( &w, &h );
 682         wxCoord xx = XLOG2DEVMAC(x);
 683         wxCoord yy = YLOG2DEVMAC(y);
 684
 685         MacInstallPen();
 686         ::MoveTo( XLOG2DEVMAC(0), yy );
 687         ::LineTo( XLOG2DEVMAC(w), yy );
 688         ::MoveTo( xx, YLOG2DEVMAC(0) );
 689         ::LineTo( xx, YLOG2DEVMAC(h) );
 690     }
 691 }
 692
 693 /*
 694  * To draw arcs properly the angles need to be converted from the WX style:
 695  * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 696  * a normal axis on paper).
 697  * TO
 698  * the Mac style:
 699  * Angles start on the +ve y axis and go clockwise.
 700  * To achive this I work out which quadrant the angle lies in then map this to
 701  * the equivalent quadrant on the Mac.  (Sin and Cos values reveal which
 702  * quadrant you are in).
 703  */
 704 static double wxConvertWXangleToMACangle(double angle)
 705 {
 706     double sin_a, cos_a;
 707
 708     sin_a = sin(angle / RAD2DEG);
 709     cos_a = cos(angle / RAD2DEG);
 710
 711     if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
 712         angle = acos(sin_a) * RAD2DEG;
 713     }
 714     else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
 715         sin_a *= -1;
 716         angle = acos(sin_a) * RAD2DEG + 180;
 717     }
 718     else if( (sin_a <= 0.0) && (cos_a >=  0.0) ) {
 719         angle = acos(sin_a) * RAD2DEG + 180;
 720     }
 721     else if( (sin_a <  0.0) && (cos_a <  0.0) ) {
 722         sin_a *= -1;
 723         angle = acos(sin_a) * RAD2DEG + 180;
 724     }
 725     return angle;
 726 }
 727
 728 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 729                            wxCoord x2, wxCoord y2,
 730                            wxCoord xc, wxCoord yc )
 731 {
 732     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 733
 734     wxCoord xx1 = XLOG2DEVMAC(x1);
 735     wxCoord yy1 = YLOG2DEVMAC(y1);
 736     wxCoord xx2 = XLOG2DEVMAC(x2);
 737     wxCoord yy2 = YLOG2DEVMAC(y2);
 738     wxCoord xxc = XLOG2DEVMAC(xc);
 739     wxCoord yyc = YLOG2DEVMAC(yc);
 740     double dx = xx1 - xxc;
 741     double dy = yy1 - yyc;
 742     double radius = sqrt((double)(dx*dx+dy*dy));
 743     wxCoord rad   = (wxCoord)radius;
 744     double radius1, radius2;
 745
 746     if (xx1 == xx2 && yy1 == yy2)
 747     {
 748         radius1 = 0.0;
 749         radius2 = 360.0;
 750     }
 751     else if (radius == 0.0)
 752     {
 753         radius1 = radius2 = 0.0;
 754     }
 755     else
 756     {
 757         radius1 = (xx1 - xxc == 0) ?
 758             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 759             -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 760          radius2 = (xx2 - xxc == 0) ?
 761             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 762             -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 763      }
 764      wxCoord alpha2 = wxCoord(radius2 - radius1);
 765     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 766      if( (xx1 > xx2) || (yy1 > yy2) ) {
 767         alpha2 *= -1;
 768     }
 769
 770     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 771
 772     if(m_brush.GetStyle() != wxTRANSPARENT) {
 773         MacInstallBrush();
 774         PaintArc(&r, alpha1, alpha2);
 775     }
 776     if(m_pen.GetStyle() != wxTRANSPARENT) {
 777         MacInstallPen();
 778         FrameArc(&r, alpha1, alpha2);
 779     }
 780 }
 781
 782 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 783                                    double sa, double ea )
 784 {
 785     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 786
 787     Rect r;
 788     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 789
 790     wxCoord xx = XLOG2DEVMAC(x);
 791     wxCoord yy = YLOG2DEVMAC(y);
 792     wxCoord ww = m_signX * XLOG2DEVREL(w);
 793     wxCoord hh = m_signY * YLOG2DEVREL(h);
 794
 795     // handle -ve width and/or height
 796     if (ww < 0) { ww = -ww; xx = xx - ww; }
 797     if (hh < 0) { hh = -hh; yy = yy - hh; }
 798
 799     sa = wxConvertWXangleToMACangle(sa);
 800
 801     r.top    = yy;
 802     r.left   = xx;
 803     r.bottom = yy + hh;
 804     r.right  = xx + ww;
 805
 806     if(m_brush.GetStyle() != wxTRANSPARENT) {
 807         MacInstallBrush();
 808         PaintArc(&r, (short)sa, (short)angle);
 809     }
 810     if(m_pen.GetStyle() != wxTRANSPARENT) {
 811         MacInstallPen();
 812         FrameArc(&r, (short)sa, (short)angle);
 813     }
 814 }
 815
 816 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 817 {
 818   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 819
 820   wxMacPortSetter helper(this) ;
 821
 822   if (m_pen.GetStyle() != wxTRANSPARENT)
 823   {
 824                 MacInstallPen() ;
 825         wxCoord xx1 = XLOG2DEVMAC(x);
 826         wxCoord yy1 = YLOG2DEVMAC(y);
 827
 828                 ::MoveTo(xx1,yy1);
 829                 ::LineTo(xx1+1, yy1+1);
 830   }
 831 }
 832
 833 void  wxDC::DoDrawLines(int n, wxPoint points[],
 834                              wxCoord xoffset, wxCoord yoffset)
 835 {
 836   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 837   wxMacPortSetter helper(this) ;
 838
 839   if (m_pen.GetStyle() == wxTRANSPARENT)
 840         return;
 841
 842   MacInstallPen() ;
 843
 844   wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 845                       m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 846
 847   wxCoord x1, x2 , y1 , y2 ;
 848   x1 = XLOG2DEVMAC(points[0].x + xoffset);
 849   y1 = YLOG2DEVMAC(points[0].y + yoffset);
 850   ::MoveTo(x1 - offset, y1 - offset );
 851
 852   for (int i = 0; i < n-1; i++)
 853   {
 854     x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 855     y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 856     ::LineTo( x2 - offset, y2 - offset );
 857   }
 858 }
 859
 860 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 861                                wxCoord xoffset, wxCoord yoffset,
 862                                int fillStyle )
 863 {
 864         wxCHECK_RET(Ok(), wxT("Invalid DC"));
 865         wxMacPortSetter helper(this) ;
 866
 867         wxCoord x1, x2 , y1 , y2 ;
 868
 869     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 870         return ;
 871
 872         PolyHandle polygon = OpenPoly();
 873
 874         x1 = XLOG2DEVMAC(points[0].x + xoffset);
 875         y1 = YLOG2DEVMAC(points[0].y + yoffset);
 876         ::MoveTo(x1,y1);
 877
 878         for (int i = 1; i < n; i++)
 879         {
 880                 x2 = XLOG2DEVMAC(points[i].x + xoffset);
 881                 y2 = YLOG2DEVMAC(points[i].y + yoffset);
 882                 ::LineTo(x2, y2);
 883         }
 884
 885     // close the polyline if necessary
 886     if ( x1 != x2 || y1 != y2 )
 887     {
 888         ::LineTo(x1,y1 ) ;
 889     }
 890
 891         ClosePoly();
 892
 893         if (m_brush.GetStyle() != wxTRANSPARENT)
 894         {
 895
 896                 MacInstallBrush();
 897                 ::PaintPoly( polygon );
 898
 899         }
 900
 901         if (m_pen.GetStyle() != wxTRANSPARENT)
 902         {
 903
 904                 MacInstallPen() ;
 905                 ::FramePoly( polygon ) ;
 906
 907         }
 908         KillPoly( polygon );
 909 }
 910
 911 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 912 {
 913     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 914     wxMacPortSetter helper(this) ;
 915
 916         wxCoord xx = XLOG2DEVMAC(x);
 917         wxCoord yy = YLOG2DEVMAC(y);
 918         wxCoord ww = m_signX * XLOG2DEVREL(width);
 919         wxCoord hh = m_signY * YLOG2DEVREL(height);
 920
 921         // CMB: draw nothing if transformed w or h is 0
 922         if (ww == 0 || hh == 0)
 923                 return;
 924
 925         // CMB: handle -ve width and/or height
 926         if (ww < 0)
 927         {
 928                 ww = -ww;
 929                 xx = xx - ww;
 930         }
 931
 932         if (hh < 0)
 933         {
 934                 hh = -hh;
 935                 yy = yy - hh;
 936         }
 937
 938         Rect rect = { yy , xx , yy + hh , xx + ww } ;
 939
 940         if (m_brush.GetStyle() != wxTRANSPARENT)
 941         {
 942                 MacInstallBrush() ;
 943                 ::PaintRect( &rect ) ;
 944         }
 945
 946         if (m_pen.GetStyle() != wxTRANSPARENT)
 947         {
 948                 MacInstallPen() ;
 949                 ::FrameRect( &rect ) ;
 950         }
 951 }
 952
 953 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 954                                         wxCoord width, wxCoord height,
 955                                         double radius)
 956 {
 957     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 958     wxMacPortSetter helper(this) ;
 959
 960     if (radius < 0.0)
 961             radius = - radius * ((width < height) ? width : height);
 962
 963         wxCoord xx = XLOG2DEVMAC(x);
 964         wxCoord yy = YLOG2DEVMAC(y);
 965         wxCoord ww = m_signX * XLOG2DEVREL(width);
 966         wxCoord hh = m_signY * YLOG2DEVREL(height);
 967
 968         // CMB: draw nothing if transformed w or h is 0
 969         if (ww == 0 || hh == 0)
 970                 return;
 971
 972         // CMB: handle -ve width and/or height
 973         if (ww < 0)
 974         {
 975                 ww = -ww;
 976                 xx = xx - ww;
 977         }
 978
 979         if (hh < 0)
 980         {
 981                 hh = -hh;
 982                 yy = yy - hh;
 983         }
 984
 985         Rect rect = { yy , xx , yy + hh , xx + ww } ;
 986
 987         if (m_brush.GetStyle() != wxTRANSPARENT)
 988         {
 989                 MacInstallBrush() ;
 990                 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 991         }
 992
 993         if (m_pen.GetStyle() != wxTRANSPARENT)
 994         {
 995                 MacInstallPen() ;
 996                 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 997         }
 998 }
 999
1000 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1001 {
1002     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1003     wxMacPortSetter helper(this) ;
1004
1005         wxCoord xx = XLOG2DEVMAC(x);
1006         wxCoord yy = YLOG2DEVMAC(y);
1007         wxCoord ww = m_signX * XLOG2DEVREL(width);
1008         wxCoord hh = m_signY * YLOG2DEVREL(height);
1009
1010         // CMB: draw nothing if transformed w or h is 0
1011         if (ww == 0 || hh == 0)
1012                 return;
1013
1014         // CMB: handle -ve width and/or height
1015         if (ww < 0)
1016         {
1017                 ww = -ww;
1018                 xx = xx - ww;
1019         }
1020
1021         if (hh < 0)
1022         {
1023                 hh = -hh;
1024                 yy = yy - hh;
1025         }
1026
1027         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1028
1029         if (m_brush.GetStyle() != wxTRANSPARENT)
1030         {
1031                 MacInstallBrush() ;
1032                 ::PaintOval( &rect ) ;
1033         }
1034
1035         if (m_pen.GetStyle() != wxTRANSPARENT)
1036         {
1037                 MacInstallPen() ;
1038                 ::FrameOval( &rect ) ;
1039         }
1040 }
1041
1042
1043
1044 bool  wxDC::CanDrawBitmap(void) const
1045 {
1046         return true ;
1047 }
1048
1049
1050 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1051                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1052                         wxCoord xsrcMask,  wxCoord ysrcMask )
1053 {
1054     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1055     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1056
1057     if ( logical_func == wxNO_OP )
1058         return TRUE ;
1059
1060     if (xsrcMask == -1 && ysrcMask == -1)
1061     {
1062         xsrcMask = xsrc; ysrcMask = ysrc;
1063     }
1064
1065     // correct the parameter in case this dc does not have a mask at all
1066
1067     if ( useMask && !source->m_macMask )
1068         useMask = false ;
1069
1070         Rect srcrect , dstrect ;
1071         srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1072         srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1073         srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1074         srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1075         dstrect.top = YLOG2DEVMAC(ydest) ;
1076         dstrect.left = XLOG2DEVMAC(xdest) ;
1077         dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1078         dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1079
1080     short mode = kUnsupportedMode ;
1081     bool invertDestinationFirst = false ;
1082     switch ( logical_func )
1083     {
1084                 case wxAND:        // src AND dst
1085                     mode = srcOr ; // ok
1086                     break ;
1087                 case wxAND_INVERT: // (NOT src) AND dst
1088                     mode = notSrcOr  ; // ok
1089                     break ;
1090                 case wxAND_REVERSE:// src AND (NOT dst)
1091                     invertDestinationFirst = true ;
1092                     mode = srcOr ;
1093                     break ;
1094                 case wxCLEAR:      // 0
1095                     mode = kEmulatedMode ;
1096                     break ;
1097         case wxCOPY:       // src
1098                         mode = srcCopy ; // ok
1099                         break ;
1100                 case wxEQUIV:      // (NOT src) XOR dst
1101                     mode = srcXor ; // ok
1102                     break ;
1103                 case wxINVERT:     // NOT dst
1104                         mode = kEmulatedMode ; //or hilite ;
1105                         break ;
1106                 case wxNAND:       // (NOT src) OR (NOT dst)
1107                     invertDestinationFirst = true ;
1108                     mode = srcBic ;
1109                     break ;
1110                 case wxNOR:        // (NOT src) AND (NOT dst)
1111                     invertDestinationFirst = true ;
1112                     mode = notSrcOr ;
1113                     break ;
1114                 case wxNO_OP:      // dst
1115                     mode = kEmulatedMode ; // this has already been handled upon entry
1116                     break ;
1117                 case wxOR:         // src OR dst
1118                     mode = notSrcBic ;
1119                     break ;
1120                 case wxOR_INVERT:  // (NOT src) OR dst
1121                     mode = srcBic ;
1122                     break ;
1123                 case wxOR_REVERSE: // src OR (NOT dst)
1124                     invertDestinationFirst = true ;
1125                         mode = notSrcBic ;
1126                         break ;
1127                 case wxSET:        // 1
1128                     mode = kEmulatedMode ;
1129                     break ;
1130                 case wxSRC_INVERT: // (NOT src)
1131                         mode = notSrcCopy ; // ok
1132                         break ;
1133                 case wxXOR:        // src XOR dst
1134                         mode = notSrcXor ; // ok
1135                         break ;
1136
1137         default :
1138                         break ;
1139
1140     }
1141
1142     if ( mode == kUnsupportedMode )
1143     {
1144         wxFAIL_MSG("unsupported blitting mode" )
1145         return FALSE ;
1146     }
1147
1148         CGrafPtr                        sourcePort = (CGrafPtr) source->m_macPort ;
1149         PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1150         if ( LockPixels(bmappixels) )
1151         {
1152         wxMacPortSetter helper(this) ;
1153         RGBColor tempColor ;
1154
1155         if ( source->GetDepth() == 1 )
1156         {
1157             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1158             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1159         }
1160         else
1161         {
1162             // the modes need this, otherwise we'll end up having really nice colors...
1163             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1164             RGBColor    black = { 0,0,0} ;
1165             RGBForeColor( &black ) ;
1166             RGBBackColor( &white ) ;
1167         }
1168
1169                 if ( useMask && source->m_macMask )
1170                 {
1171                     if ( mode == srcCopy )
1172                     {
1173                         if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1174                         {
1175                                 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1176                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1177                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1178                                                 &srcrect, &srcrect , &dstrect ) ;
1179                                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1180                         }
1181                     }
1182                     else
1183                     {
1184                 RgnHandle clipRgn = NewRgn() ;
1185                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1186                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1187                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1188                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1189                 if ( mode == kEmulatedMode )
1190                 {
1191                     Pattern pat ;
1192                             ::PenPat(GetQDGlobalsBlack(&pat));
1193                     if ( logical_func == wxSET )
1194                     {
1195                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1196                                 ::RGBForeColor( &col  ) ;
1197                         ::PaintRgn( clipRgn ) ;
1198                     }
1199                     else if ( logical_func == wxCLEAR )
1200                     {
1201                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1202                                 ::RGBForeColor( &col  ) ;
1203                         ::PaintRgn( clipRgn ) ;
1204                     }
1205                     else if ( logical_func == wxINVERT )
1206                     {
1207                         MacInvertRgn( clipRgn ) ;
1208                     }
1209                     else
1210                     {
1211                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1212                         {
1213                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1214                             {
1215                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1216                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1217                                 if ( PtInRgn( dstPoint , clipRgn ) )
1218                                 {
1219                                     RGBColor srcColor ;
1220                                     RGBColor dstColor ;
1221
1222                                     SetPort( (GrafPtr) sourcePort ) ;
1223                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1224                                     SetPort( (GrafPtr) m_macPort ) ;
1225                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1226
1227                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1228                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1229                                 }
1230                             }
1231                         }
1232                         // wxFAIL_MSG("unimplemented emulated mode") ;
1233                     }
1234                 }
1235                 else
1236                 {
1237                     if ( invertDestinationFirst )
1238                     {
1239                         MacInvertRgn( clipRgn ) ;
1240                     }
1241                                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1242                                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1243                                         &srcrect, &dstrect, mode, clipRgn ) ;
1244                     }
1245                     DisposeRgn( clipRgn ) ;
1246                 }
1247                 }
1248                 else
1249                 {
1250                     if ( mode == kEmulatedMode )
1251                     {
1252                         CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1253                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1254                                 &srcrect, &dstrect, mode, NULL ) ;
1255                 }
1256                 else
1257                 {
1258                     Pattern pat ;
1259                             ::PenPat(GetQDGlobalsBlack(&pat));
1260                     if ( logical_func == wxSET )
1261                     {
1262                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1263                                 ::RGBForeColor( &col  ) ;
1264                     }
1265                     else
1266                     {
1267                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1268                                 ::RGBForeColor( &col  ) ;
1269                     }
1270                     ::PaintRect( &dstrect ) ;
1271                 }
1272                 }
1273                 UnlockPixels( bmappixels ) ;
1274         }
1275
1276         m_macPenInstalled = false ;
1277         m_macBrushInstalled = false ;
1278         m_macFontInstalled = false ;
1279
1280   return TRUE;
1281 }
1282
1283 void  wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
1284                               double angle)
1285 {
1286     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1287
1288     if (angle == 0.0)
1289     {
1290         DrawText(text, x, y);
1291         return;
1292     }
1293
1294     MacInstallFont();
1295
1296     // the size of the text
1297     wxCoord w, h;
1298     GetTextExtent(text, &w, &h);
1299
1300     // draw the string normally
1301     wxBitmap src(w, h);
1302     wxMemoryDC dc;
1303     dc.SelectObject(src);
1304     dc.SetFont(GetFont());
1305     dc.SetBackground(*wxWHITE_BRUSH);
1306     dc.SetBrush(*wxBLACK_BRUSH);
1307     dc.Clear();
1308     dc.DrawText(text, 0, 0);
1309     dc.SetFont(wxNullFont);
1310     dc.SelectObject(wxNullBitmap);
1311
1312     wxMacPortSetter helper(this) ;
1313
1314     // Calculate the size of the rotated bounding box.
1315     double rad = DegToRad(angle);
1316     double dx = cos(rad);
1317     double dy = sin(rad);
1318
1319     // the rectngle vertices are counted clockwise with the first one being at
1320     // (0, 0) (or, rather, at (x, y))
1321     double x2 = w * dx;
1322     double y2 = -w * dy;      // y axis points to the bottom, hence minus
1323     double x4 = h * dy;
1324     double y4 = h * dx;
1325     double x3 = x4 + x2;
1326     double y3 = y4 + y2;
1327
1328     // calc max and min
1329     wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5);
1330     wxCoord maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5);
1331     wxCoord minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5);
1332     wxCoord minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
1333
1334     // prepare to blit-with-rotate the bitmap to the DC
1335     wxImage image(src);
1336
1337     RGBColor colText = MAC_WXCOLORREF( m_textForegroundColour.GetPixel() );
1338     RGBColor colBack = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel() );
1339
1340     unsigned char *data = image.GetData();
1341
1342     wxCoord dstX, dstY;
1343     double r, angleOrig;
1344     bool textPixel;
1345
1346     // paint pixel by pixel
1347     for ( wxCoord srcX = 0; srcX < w; srcX++ )
1348     {
1349         for ( wxCoord srcY = 0; srcY < h; srcY++ )
1350         {
1351             // transform source coords to dest coords
1352             r         = sqrt( (double)(srcX * srcX + srcY * srcY) );
1353             angleOrig = atan2((double)srcY, (double)srcX) - rad;
1354             dstX      = (wxCoord)(r * cos(angleOrig) + 0.5);
1355             dstY      = (wxCoord)(r * sin(angleOrig) + 0.5);
1356
1357             // black pixel?
1358             textPixel = data[(srcY*w + srcX)*3] == 0;
1359             if ( textPixel || (m_backgroundMode == wxSOLID) )
1360             {
1361                 SetCPixel(XLOG2DEVMAC(x + dstX), YLOG2DEVMAC(y + dstY),
1362                           textPixel ? &colText : &colBack);
1363             }
1364         }
1365     }
1366
1367     // it would be better to draw with non underlined font and draw the line
1368     // manually here (it would be more straight...)
1369 #if 0
1370     if ( m_font.GetUnderlined() )
1371     {
1372         ::MoveTo(XLOG2DEVMAC(x + x4), YLOG2DEVMAC(y + y4 + font->descent));
1373         ::LineTo(XLOG2DEVMAC(x + x3), YLOG2DEVMAC(y + y3 + font->descent));
1374     }
1375 #endif // 0
1376
1377     // update the bounding box
1378     CalcBoundingBox(x + minX, y + minY);
1379     CalcBoundingBox(x + maxX, y + maxY);
1380 }
1381 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1382 {
1383     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1384     wxMacPortSetter helper(this) ;
1385
1386         long xx = XLOG2DEVMAC(x);
1387         long yy = YLOG2DEVMAC(y);
1388
1389 //      if (m_pen.GetStyle() != wxTRANSPARENT)
1390         {
1391                 MacInstallFont() ;
1392                 /*
1393                 Rect clip = { -32000 , -32000 , 32000 , 32000 } ;
1394
1395                   ::ClipRect( &clip ) ;
1396                 */
1397
1398                 FontInfo fi ;
1399                 ::GetFontInfo( &fi ) ;
1400
1401                 yy += fi.ascent ;
1402                 ::MoveTo( xx , yy );
1403                 if (  m_backgroundMode == wxTRANSPARENT )
1404                 {
1405                         ::TextMode( srcOr) ;
1406                 }
1407                 else
1408                 {
1409                         ::TextMode( srcCopy ) ;
1410                 }
1411
1412                 const char *text = NULL ;
1413                 int length = 0 ;
1414                 wxString macText ;
1415
1416                 if ( wxApp::s_macDefaultEncodingIsPC )
1417                 {
1418                         macText = wxMacMakeMacStringFromPC( strtext ) ;
1419                         text = macText ;
1420                         length = macText.Length() ;
1421                 }
1422                 else
1423                 {
1424                         text = strtext ;
1425                         length = strtext.Length() ;
1426                 }
1427
1428                 int laststop = 0 ;
1429                 int i = 0 ;
1430                 int line = 0 ;
1431
1432                 while( i < length )
1433                 {
1434                         if( text[i] == 13 || text[i] == 10)
1435                         {
1436                                 ::DrawText( text , laststop , i - laststop ) ;
1437                                 line++ ;
1438                                 ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1439                                 laststop = i+1 ;
1440                         }
1441                         i++ ;
1442                 }
1443
1444                 ::DrawText( text , laststop , i - laststop ) ;
1445                 ::TextMode( srcOr ) ;
1446         }
1447 }
1448
1449 bool  wxDC::CanGetTextExtent() const
1450 {
1451         wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1452
1453         return true ;
1454 }
1455
1456 void  wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1457                      wxCoord *descent, wxCoord *externalLeading ,
1458                      wxFont *theFont ) const
1459 {
1460    wxCHECK_RET(Ok(), wxT("Invalid DC"));
1461    wxMacPortSetter helper(this) ;
1462
1463         wxFont formerFont = m_font ;
1464
1465         if ( theFont )
1466         {
1467                 wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1468
1469                 if ( font )
1470                 {
1471                         ::TextFont( font->m_macFontNum ) ;
1472                         ::TextSize( YLOG2DEVREL( font->m_macFontSize) ) ;
1473                         ::TextFace( font->m_macFontStyle ) ;
1474                 }
1475         }
1476         else
1477         {
1478                 MacInstallFont() ;
1479         }
1480
1481         FontInfo fi ;
1482         ::GetFontInfo( &fi ) ;
1483
1484         if ( height )
1485                 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1486         if ( descent )
1487                 *descent =YDEV2LOGREL( fi.descent );
1488         if ( externalLeading )
1489                 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1490
1491         const char *text = NULL ;
1492         int length = 0 ;
1493         wxString macText ;
1494         if ( wxApp::s_macDefaultEncodingIsPC )
1495         {
1496                 macText = wxMacMakeMacStringFromPC( string ) ;
1497                 text = macText ;
1498                 length = macText.Length() ;
1499         }
1500         else
1501         {
1502                 text = string ;
1503                 length = string.Length() ;
1504         }
1505
1506         int laststop = 0 ;
1507         int i = 0 ;
1508         int curwidth = 0 ;
1509         if ( width )
1510         {
1511                 *width = 0 ;
1512
1513                 while( i < length )
1514                 {
1515                         if( text[i] == 13 || text[i] == 10)
1516                         {
1517                                 if ( height )
1518                                         *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1519                                 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1520                                 if ( curwidth > *width )
1521                                         *width = XDEV2LOGREL( curwidth ) ;
1522                                 laststop = i+1 ;
1523                         }
1524                         i++ ;
1525                 }
1526
1527                 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1528                 if ( curwidth > *width )
1529                         *width = XDEV2LOGREL( curwidth ) ;
1530         }
1531
1532         if ( theFont )
1533         {
1534                 m_macFontInstalled = false ;
1535         }
1536 }
1537
1538 wxCoord   wxDC::GetCharWidth(void) const
1539 {
1540     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1541
1542    wxMacPortSetter helper(this) ;
1543
1544         MacInstallFont() ;
1545
1546     int width = ::TextWidth( "n" , 0 , 1 ) ;
1547
1548         return YDEV2LOGREL(width) ;
1549 }
1550
1551 wxCoord   wxDC::GetCharHeight(void) const
1552 {
1553     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1554
1555     wxMacPortSetter helper(this) ;
1556
1557         MacInstallFont() ;
1558
1559         FontInfo fi ;
1560         ::GetFontInfo( &fi ) ;
1561
1562         return YDEV2LOGREL( fi.descent + fi.ascent );
1563 }
1564
1565 void  wxDC::Clear(void)
1566 {
1567     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1568     wxMacPortSetter helper(this) ;
1569         Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
1570
1571         if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1572         {
1573         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1574
1575                 ::EraseRect( &rect ) ;
1576         }
1577 }
1578
1579 void wxDC::MacInstallFont() const
1580 {
1581     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1582 //      if ( m_macFontInstalled )
1583 //              return ;
1584         Pattern blackColor ;
1585
1586         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1587
1588         if ( font )
1589         {
1590                 ::TextFont( font->m_macFontNum ) ;
1591                 ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1592                 ::TextFace( font->m_macFontStyle ) ;
1593
1594                 m_macFontInstalled = true ;
1595                 m_macBrushInstalled = false ;
1596                 m_macPenInstalled = false ;
1597
1598                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1599                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1600                 ::RGBForeColor( &forecolor );
1601                 ::RGBBackColor( &backcolor );
1602         }
1603         else
1604         {
1605                 short fontnum ;
1606
1607                 GetFNum( "\pGeneva" , &fontnum ) ;
1608                 ::TextFont( fontnum ) ;
1609                 ::TextSize( short(m_scaleY * 10) ) ;
1610                 ::TextFace( 0 ) ;
1611
1612                 // todo reset after spacing changes - or store the current spacing somewhere
1613
1614                 m_macFontInstalled = true ;
1615                 m_macBrushInstalled = false ;
1616                 m_macPenInstalled = false ;
1617
1618                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1619                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1620                 ::RGBForeColor( &forecolor );
1621                 ::RGBBackColor( &backcolor );
1622         }
1623
1624         short mode = patCopy ;
1625
1626         // todo :
1627
1628         switch( m_logicalFunction )
1629         {
1630                 case wxCOPY:       // src
1631                         mode = patCopy ;
1632                         break ;
1633                 case wxINVERT:     // NOT dst
1634                         ::PenPat(GetQDGlobalsBlack(&blackColor));
1635                         mode = patXor ;
1636                         break ;
1637                 case wxXOR:        // src XOR dst
1638                         mode = patXor ;
1639                         break ;
1640                 case wxOR_REVERSE: // src OR (NOT dst)
1641                         mode = notPatOr ;
1642                         break ;
1643                 case wxSRC_INVERT: // (NOT src)
1644                         mode = notPatCopy ;
1645                         break ;
1646
1647                 // unsupported TODO
1648
1649                 case wxCLEAR:      // 0
1650                 case wxAND_REVERSE:// src AND (NOT dst)
1651                 case wxAND:        // src AND dst
1652                 case wxAND_INVERT: // (NOT src) AND dst
1653                 case wxNO_OP:      // dst
1654                 case wxNOR:        // (NOT src) AND (NOT dst)
1655                 case wxEQUIV:      // (NOT src) XOR dst
1656                 case wxOR_INVERT:  // (NOT src) OR dst
1657                 case wxNAND:       // (NOT src) OR (NOT dst)
1658                 case wxOR:         // src OR dst
1659                 case wxSET:        // 1
1660 //              case wxSRC_OR:     // source _bitmap_ OR destination
1661 //              case wxSRC_AND:     // source _bitmap_ AND destination
1662                         break ;
1663         }
1664         ::PenMode( mode ) ;
1665 }
1666
1667 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1668 {
1669     // we have our own pattern list now
1670         int thePatListID = 128;
1671         int theIndex;
1672         switch(hatchStyle)
1673         {
1674                 case wxBDIAGONAL_HATCH:
1675                         theIndex = 2;
1676                         break;
1677                 case wxFDIAGONAL_HATCH:
1678                         theIndex = 3;
1679                         break;
1680                 case wxCROSS_HATCH:
1681                         theIndex = 4;
1682                         break;
1683                 case wxHORIZONTAL_HATCH:
1684                         theIndex = 5;
1685                         break;
1686                 case wxVERTICAL_HATCH:
1687                         theIndex = 6;
1688                         break;
1689                 case wxCROSSDIAG_HATCH:
1690                         theIndex = 7;
1691                         break;
1692                 default:
1693                         theIndex = 1; // solid pattern
1694                         break;
1695         }
1696         GetIndPattern( pattern, thePatListID, theIndex);
1697 }
1698
1699 void wxDC::MacInstallPen() const
1700 {
1701     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1702
1703         Pattern  blackColor;
1704
1705 //      if ( m_macPenInstalled )
1706 //              return ;
1707
1708         RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1709         RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1710         ::RGBForeColor( &forecolor );
1711         ::RGBBackColor( &backcolor );
1712
1713         ::PenNormal() ;
1714         int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1715
1716         // null means only one pixel, at whatever resolution
1717         if ( penWidth == 0 )
1718                 penWidth = 1 ;
1719         ::PenSize(penWidth, penWidth);
1720
1721         int penStyle = m_pen.GetStyle();
1722
1723         if (penStyle == wxSOLID)
1724         {
1725                 ::PenPat(GetQDGlobalsBlack(&blackColor));
1726         }
1727         else if (IS_HATCH(penStyle))
1728         {
1729                 Pattern pat ;
1730                 wxMacGetHatchPattern(penStyle, &pat);
1731                 ::PenPat(&pat);
1732         }
1733         else
1734         {
1735             Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
1736             switch( penStyle )
1737             {
1738                 case wxDOT :
1739                 for ( int i = 0 ; i < 8 ; ++i )
1740                 {
1741                     pat.pat[i] = 0xCC ;
1742                 }
1743                     break ;
1744                 case wxLONG_DASH :
1745                 for ( int i = 0 ; i < 8 ; ++i )
1746                 {
1747                     pat.pat[i] = 0xFE ;
1748                 }
1749                     break ;
1750                 case wxSHORT_DASH :
1751                 for ( int i = 0 ; i < 8 ; ++i )
1752                 {
1753                     pat.pat[i] = 0xEE ;
1754                 }
1755                     break ;
1756                 case wxDOT_DASH :
1757                 for ( int i = 0 ; i < 8 ; ++i )
1758                 {
1759                     pat.pat[i] = 0x6F ;
1760                 }
1761                     break ;
1762                 case wxUSER_DASH :
1763                     {
1764                         wxDash* dash ;
1765                         int number = m_pen.GetDashes(&dash) ;
1766                         // right now we don't allocate larger pixmaps
1767                         for ( int i = 0 ; i < 8 ; ++i )
1768                         {
1769                             pat.pat[i] = dash[0] ;
1770                         }
1771                     }
1772                     break ;
1773             }
1774                 ::PenPat(&pat);
1775         }
1776
1777         short mode = patCopy ;
1778
1779         // todo :
1780
1781         switch( m_logicalFunction )
1782         {
1783                 case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1784                         mode = patOr ;
1785                         break ;
1786                 case wxINVERT:     // NOT dst
1787 //                      ::PenPat(GetQDGlobalsBlack(&blackColor));
1788                         mode = patXor ;
1789                         break ;
1790                 case wxXOR:        // src XOR dst
1791                         mode = patXor ;
1792                         break ;
1793                 case wxOR_REVERSE: // src OR (NOT dst)
1794                         mode = notPatOr ;
1795                         break ;
1796                 case wxSRC_INVERT: // (NOT src)
1797                         mode = notPatCopy ;
1798                         break ;
1799
1800                 // unsupported TODO
1801
1802                 case wxCLEAR:      // 0
1803                 case wxAND_REVERSE:// src AND (NOT dst)
1804                 case wxAND:        // src AND dst
1805                 case wxAND_INVERT: // (NOT src) AND dst
1806                 case wxNO_OP:      // dst
1807                 case wxNOR:        // (NOT src) AND (NOT dst)
1808                 case wxEQUIV:      // (NOT src) XOR dst
1809                 case wxOR_INVERT:  // (NOT src) OR dst
1810                 case wxNAND:       // (NOT src) OR (NOT dst)
1811                 case wxOR:         // src OR dst
1812                 case wxSET:        // 1
1813 //              case wxSRC_OR:     // source _bitmap_ OR destination
1814 //              case wxSRC_AND:     // source _bitmap_ AND destination
1815                         break ;
1816         }
1817         ::PenMode( mode ) ;
1818         m_macPenInstalled = true ;
1819         m_macBrushInstalled = false ;
1820         m_macFontInstalled = false ;
1821 }
1822
1823 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1824 {
1825     Pattern whiteColor ;
1826     switch( background.MacGetBrushKind() )
1827     {
1828       case kwxMacBrushTheme :
1829         {
1830                 ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1831           break ;
1832         }
1833       case kwxMacBrushThemeBackground :
1834         {
1835                 Rect extent ;
1836                 ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
1837                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1838           break ;
1839         }
1840       case kwxMacBrushColour :
1841         {
1842           ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1843                 int brushStyle = background.GetStyle();
1844                 if (brushStyle == wxSOLID)
1845                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1846                 else if (IS_HATCH(brushStyle))
1847                 {
1848                         Pattern pat ;
1849                         wxMacGetHatchPattern(brushStyle, &pat);
1850                         ::BackPat(&pat);
1851                 }
1852                 else
1853                 {
1854                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1855                 }
1856           break ;
1857         }
1858     }
1859 }
1860
1861 void wxDC::MacInstallBrush() const
1862 {
1863     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1864
1865         Pattern  blackColor ;
1866 //      if ( m_macBrushInstalled )
1867 //              return ;
1868
1869         // foreground
1870
1871         bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1872
1873         ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1874
1875         int brushStyle = m_brush.GetStyle();
1876         if (brushStyle == wxSOLID)
1877                 ::PenPat(GetQDGlobalsBlack(&blackColor));
1878         else if (IS_HATCH(brushStyle))
1879         {
1880                 Pattern pat ;
1881                 wxMacGetHatchPattern(brushStyle, &pat);
1882                 ::PenPat(&pat);
1883         }
1884         else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1885         {
1886             // we force this in order to be compliant with wxMSW
1887             backgroundTransparent = false ;
1888             // for these the text fore (and back for MASK_OPAQUE) colors are used
1889             wxBitmap* bitmap = m_brush.GetStipple() ;
1890             int width = bitmap->GetWidth() ;
1891             int height = bitmap->GetHeight() ;
1892         GWorldPtr gw = NULL ;
1893
1894             if ( m_brush.GetStyle() == wxSTIPPLE )
1895                 gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
1896             else
1897                 gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
1898
1899         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
1900         LockPixels( gwpixmaphandle ) ;
1901
1902             bool isMonochrome = !IsPortColor( gw ) ;
1903
1904         if ( !isMonochrome )
1905         {
1906             if ( (**gwpixmaphandle).pixelSize == 1 )
1907                 isMonochrome = true ;
1908         }
1909
1910
1911             if ( isMonochrome )
1912             {
1913                 ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
1914
1915             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
1916             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
1917             int alignment = gwbitmap->rowBytes & 0x7FFF ;
1918
1919             if( width == 8 && height == 8 )
1920             {
1921                 Pattern pat ;
1922                 for ( int i = 0 ; i < 8 ; ++i )
1923                 {
1924                     pat.pat[i] = gwbits[i*alignment+0] ;
1925                 }
1926                 UnlockPixels( GetGWorldPixMap( gw ) ) ;
1927                 ::PenPat( &pat ) ;
1928             }
1929             else
1930             {
1931  #if wxMAC_EXPERIMENTAL_PATTERN
1932  // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
1933  // caching scheme before putting this into production
1934                 Handle      image;
1935                 long            imageSize;
1936                 PixPatHandle pixpat = NewPixPat() ;
1937
1938                         CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
1939                     imageSize = GetPixRowBytes((**pixpat).patMap) *
1940                                     ((**(**pixpat).patMap).bounds.bottom -
1941                                     (**(**pixpat).patMap).bounds.top);
1942
1943                     PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
1944                     (**pixpat).patData = image;
1945                     CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
1946                     ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
1947                     if ( ctspec[0].rgb.red == 0x0000 )
1948                     {
1949                         ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1950                         ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
1951                     }
1952                     else
1953                     {
1954                         ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1955                         ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
1956                     }
1957                     ::CTabChanged( ctable ) ;
1958                     ::PenPixPat(pixpat);
1959 #endif
1960             }
1961             }
1962             else
1963             {
1964             }
1965             UnlockPixels( gwpixmaphandle ) ;
1966         }
1967     else
1968     {
1969             ::PenPat(GetQDGlobalsBlack(&blackColor));
1970         }
1971
1972     if ( !backgroundTransparent )
1973         ::RGBBackColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ) ;
1974
1975         short mode = patCopy ;
1976         switch( m_logicalFunction )
1977         {
1978                 case wxCOPY:       // src
1979                     if ( backgroundTransparent )
1980                         mode = patOr ;
1981                     else
1982                             mode = patCopy ;
1983                         break ;
1984                 case wxINVERT:     // NOT dst
1985                     if ( !backgroundTransparent )
1986                     {
1987                             ::PenPat(GetQDGlobalsBlack(&blackColor));
1988                         }
1989                         mode = patXor ;
1990                         break ;
1991                 case wxXOR:        // src XOR dst
1992                         mode = patXor ;
1993                         break ;
1994                 case wxOR_REVERSE: // src OR (NOT dst)
1995                         mode = notPatOr ;
1996                         break ;
1997                 case wxSRC_INVERT: // (NOT src)
1998                         mode = notPatCopy ;
1999                         break ;
2000
2001                 // unsupported TODO
2002
2003                 case wxCLEAR:      // 0
2004                 case wxAND_REVERSE:// src AND (NOT dst)
2005                 case wxAND:        // src AND dst
2006                 case wxAND_INVERT: // (NOT src) AND dst
2007                 case wxNO_OP:      // dst
2008                 case wxNOR:        // (NOT src) AND (NOT dst)
2009                 case wxEQUIV:      // (NOT src) XOR dst
2010                 case wxOR_INVERT:  // (NOT src) OR dst
2011                 case wxNAND:       // (NOT src) OR (NOT dst)
2012                 case wxOR:         // src OR dst
2013                 case wxSET:        // 1
2014 //              case wxSRC_OR:     // source _bitmap_ OR destination
2015 //              case wxSRC_AND:     // source _bitmap_ AND destination
2016                         break ;
2017         }
2018         ::PenMode( mode ) ;
2019         m_macBrushInstalled = true ;
2020         m_macPenInstalled = false ;
2021         m_macFontInstalled = false ;
2022 }
2023
2024 // ---------------------------------------------------------------------------
2025 // coordinates transformations
2026 // ---------------------------------------------------------------------------
2027
2028
2029 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2030 {
2031     return ((wxDC *)this)->XDEV2LOG(x);
2032 }
2033
2034 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2035 {
2036     return ((wxDC *)this)->YDEV2LOG(y);
2037 }
2038
2039 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2040 {
2041     return ((wxDC *)this)->XDEV2LOGREL(x);
2042 }
2043
2044 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2045 {
2046     return ((wxDC *)this)->YDEV2LOGREL(y);
2047 }
2048
2049 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2050 {
2051     return ((wxDC *)this)->XLOG2DEV(x);
2052 }
2053
2054 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2055 {
2056     return ((wxDC *)this)->YLOG2DEV(y);
2057 }
2058
2059 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2060 {
2061     return ((wxDC *)this)->XLOG2DEVREL(x);
2062 }
2063
2064 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2065 {
2066     return ((wxDC *)this)->YLOG2DEVREL(y);
2067 }