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