src/mac/carbon/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 #include "wx/log.h"
  23
  24
  25 #if __MSL__ >= 0x6000
  26 #include "math.h"
  27 using namespace std ;
  28 #endif
  29
  30 #include "wx/mac/private.h"
  31 #include "ATSUnicode.h"
  32 #include "TextCommon.h"
  33 #include "TextEncodingConverter.h"
  34
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  37 #endif
  38
  39 //-----------------------------------------------------------------------------
  40 // constants
  41 //-----------------------------------------------------------------------------
  42
  43 #define mm2inches               0.0393700787402
  44 #define inches2mm               25.4
  45 #define mm2twips                56.6929133859
  46 #define twips2mm                0.0176388888889
  47 #define mm2pt                   2.83464566929
  48 #define pt2mm                   0.352777777778
  49 #ifndef __DARWIN__
  50 const double M_PI = 3.14159265358979 ;
  51 #endif
  52 const double RAD2DEG  = 180.0 / M_PI;
  53 const short kEmulatedMode = -1 ;
  54 const short kUnsupportedMode = -2 ;
  55
  56 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  57         m_ph( (GrafPtr) dc->m_macPort )
  58 {
  59         wxASSERT( dc->Ok() ) ;
  60         m_dc = dc ;
  61         dc->MacSetupPort(&m_ph) ;
  62 }
  63
  64 wxMacPortSetter::~wxMacPortSetter()
  65 {
  66         m_dc->MacCleanupPort(&m_ph) ;
  67 }
  68
  69 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
  70 {
  71     m_formerClip = NewRgn() ;
  72     m_newClip = NewRgn() ;
  73     GetClip( m_formerClip ) ;
  74
  75     if ( win )
  76     {
  77         RgnHandle insidergn = NewRgn() ;
  78         int x = 0 , y = 0;
  79         wxWindow *parent = win->GetParent() ;
  80         parent->MacWindowToRootWindow( &x,&y ) ;
  81
  82         wxSize size = parent->GetSize() ;
  83         SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
  84           size.x - parent->MacGetLeftBorderSize() - parent->MacGetRightBorderSize(),
  85           size.y - parent->MacGetTopBorderSize() - parent->MacGetBottomBorderSize()) ;
  86
  87         CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
  88         SectRgn( m_newClip , insidergn , m_newClip ) ;
  89         OffsetRgn( m_newClip , x , y ) ;
  90         SetClip( m_newClip ) ;
  91         DisposeRgn( insidergn ) ;
  92         }
  93 }
  94
  95 wxMacWindowClipper::~wxMacWindowClipper()
  96 {
  97     SetClip( m_formerClip ) ;
  98         DisposeRgn( m_newClip ) ;
  99         DisposeRgn( m_formerClip ) ;
 100 }
 101
 102 //-----------------------------------------------------------------------------
 103 // Local functions
 104 //-----------------------------------------------------------------------------
 105
 106 static inline double dmin(double a, double b) { return a < b ? a : b; }
 107 static inline double dmax(double a, double b) { return a > b ? a : b; }
 108 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 109
 110 //-----------------------------------------------------------------------------
 111 // wxDC
 112 //-----------------------------------------------------------------------------
 113
 114 // this function emulates all wx colour manipulations, used to verify the implementation
 115 // by setting the mode in the blitting functions to kEmulatedMode
 116
 117 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 118 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 119 {
 120     switch ( logical_func )
 121     {
 122         case wxAND:        // src AND 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 wxAND_INVERT: // (NOT src) AND 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 wxAND_REVERSE:// src AND (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 wxCLEAR:      // 0
 138             dstColor.red = 0 ;
 139             dstColor.green = 0 ;
 140             dstColor.blue = 0 ;
 141             break ;
 142         case wxCOPY:       // src
 143             dstColor.red = srcColor.red ;
 144             dstColor.green = srcColor.green ;
 145             dstColor.blue = srcColor.blue ;
 146                 break ;
 147         case wxEQUIV:      // (NOT 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         case wxINVERT:     // NOT dst
 153             dstColor.red = ~dstColor.red ;
 154             dstColor.green = ~dstColor.green ;
 155             dstColor.blue = ~dstColor.blue ;
 156                 break ;
 157         case wxNAND:       // (NOT src) OR (NOT dst)
 158             dstColor.red = ~dstColor.red | ~srcColor.red ;
 159             dstColor.green = ~dstColor.green | ~srcColor.green ;
 160             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 161             break ;
 162         case wxNOR:        // (NOT src) AND (NOT dst)
 163             dstColor.red = ~dstColor.red & ~srcColor.red ;
 164             dstColor.green = ~dstColor.green & ~srcColor.green ;
 165             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 166             break ;
 167         case wxNO_OP:      // dst
 168             break ;
 169         case wxOR:         // src OR dst
 170             dstColor.red = dstColor.red | srcColor.red ;
 171             dstColor.green = dstColor.green | srcColor.green ;
 172             dstColor.blue = dstColor.blue | srcColor.blue ;
 173             break ;
 174         case wxOR_INVERT:  // (NOT src) OR dst
 175             dstColor.red = dstColor.red | ~srcColor.red ;
 176             dstColor.green = dstColor.green | ~srcColor.green ;
 177             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 178             break ;
 179         case wxOR_REVERSE: // src OR (NOT dst)
 180             dstColor.red = ~dstColor.red | srcColor.red ;
 181             dstColor.green = ~dstColor.green | srcColor.green ;
 182             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 183                 break ;
 184         case wxSET:        // 1
 185             dstColor.red = 0xFFFF ;
 186             dstColor.green = 0xFFFF ;
 187             dstColor.blue = 0xFFFF ;
 188             break ;
 189         case wxSRC_INVERT: // (NOT src)
 190             dstColor.red = ~srcColor.red ;
 191             dstColor.green = ~srcColor.green ;
 192             dstColor.blue = ~srcColor.blue ;
 193                 break ;
 194         case wxXOR:        // src XOR dst
 195             dstColor.red = dstColor.red ^ srcColor.red ;
 196             dstColor.green = dstColor.green ^ srcColor.green ;
 197             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 198                 break ;
 199     }
 200
 201 }
 202
 203 wxDC::wxDC()
 204 {
 205   m_ok = FALSE;
 206   m_colour = TRUE;
 207
 208   m_mm_to_pix_x = mm2pt;
 209   m_mm_to_pix_y = mm2pt;
 210
 211   m_internalDeviceOriginX = 0;
 212   m_internalDeviceOriginY = 0;
 213   m_externalDeviceOriginX = 0;
 214   m_externalDeviceOriginY = 0;
 215
 216   m_logicalScaleX = 1.0;
 217   m_logicalScaleY = 1.0;
 218   m_userScaleX = 1.0;
 219   m_userScaleY = 1.0;
 220   m_scaleX = 1.0;
 221   m_scaleY = 1.0;
 222
 223   m_needComputeScaleX = FALSE;
 224   m_needComputeScaleY = FALSE;
 225
 226   m_macPort = NULL ;
 227   m_macMask = NULL ;
 228   m_ok = FALSE ;
 229
 230         m_macFontInstalled = false ;
 231         m_macBrushInstalled = false ;
 232         m_macPenInstalled = false ;
 233
 234         m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 235         m_macBoundaryClipRgn = NewRgn() ;
 236         m_macCurrentClipRgn = NewRgn() ;
 237
 238         SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 239         SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 240
 241     m_pen = *wxBLACK_PEN;
 242     m_font = *wxNORMAL_FONT;
 243     m_brush = *wxWHITE_BRUSH;
 244     m_macCurrentPortStateHelper = NULL ;
 245     m_macATSUIStyle = NULL ;
 246     m_macAliasWasEnabled = false;
 247     m_macForegroundPixMap = NULL ;
 248     m_macBackgroundPixMap = NULL ;
 249 }
 250
 251 wxDC::~wxDC(void)
 252 {
 253     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 254     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 255 }
 256 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 257 {
 258     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 259     m_macCurrentPortStateHelper = help ;
 260         SetClip( (RgnHandle) m_macCurrentClipRgn);
 261
 262         m_macFontInstalled = false ;
 263         m_macBrushInstalled = false ;
 264         m_macPenInstalled = false ;
 265 }
 266
 267 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 268 {
 269     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 270     m_macCurrentPortStateHelper = NULL ;
 271     if( m_macATSUIStyle )
 272     {
 273         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 274         m_macATSUIStyle = NULL ;
 275     }
 276     if ( m_macAliasWasEnabled )
 277     {
 278         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 279         m_macAliasWasEnabled = false ;
 280     }
 281     if ( m_macForegroundPixMap )
 282     {
 283         Pattern blackColor ;
 284         ::PenPat(GetQDGlobalsBlack(&blackColor));
 285         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 286         m_macForegroundPixMap = NULL ;
 287     }
 288     if ( m_macBackgroundPixMap )
 289     {
 290         Pattern whiteColor ;
 291         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 292         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 293         m_macBackgroundPixMap = NULL ;
 294     }
 295 }
 296
 297 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 298 {
 299      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 300
 301      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 302
 303      wxMacPortSetter helper(this) ;
 304
 305      wxCoord xx = XLOG2DEVMAC(x);
 306      wxCoord yy = YLOG2DEVMAC(y);
 307      wxCoord w = bmp.GetWidth();
 308      wxCoord h = bmp.GetHeight();
 309      wxCoord ww = XLOG2DEVREL(w);
 310      wxCoord hh = YLOG2DEVREL(h);
 311
 312      // Set up drawing mode
 313      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 314                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 315                     //m_logicalFunction == wxSET ? BLACKNESS :
 316                     m_logicalFunction == wxINVERT ? hilite :
 317                    //m_logicalFunction == wxAND ? MERGECOPY :
 318                     m_logicalFunction == wxOR ? srcOr :
 319                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 320                     m_logicalFunction == wxXOR ? srcXor :
 321                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 322                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 323                     //m_logicalFunction == wxSRC_OR ? srcOr :
 324                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 325                     srcCopy );
 326
 327      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 328          Rect bitmaprect = { 0 , 0 , hh, ww };
 329          ::OffsetRect( &bitmaprect, xx, yy ) ;
 330          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 331     }
 332      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 333      {
 334          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 335          PixMapHandle bmappixels ;
 336
 337          // Set foreground and background colours (for bitmaps depth = 1)
 338          if(bmp.GetDepth() == 1)
 339         {
 340              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 341              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 342              RGBForeColor(&fore);
 343              RGBBackColor(&back);
 344          }
 345          else
 346          {
 347              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 348              RGBColor black = { 0,0,0} ;
 349              RGBForeColor( &black ) ;
 350              RGBBackColor( &white ) ;
 351          }
 352
 353          bmappixels = GetGWorldPixMap( bmapworld ) ;
 354
 355          wxCHECK_RET(LockPixels(bmappixels),
 356                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 357
 358          Rect source = { 0, 0, h, w };
 359          Rect dest   = { yy, xx, yy + hh, xx + ww };
 360
 361          if ( useMask && bmp.GetMask() )
 362          {
 363              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 364              {
 365                  CopyDeepMask
 366                      (
 367                       GetPortBitMapForCopyBits(bmapworld),
 368                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 369                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 370                       &source, &source, &dest, mode, NULL
 371                       );
 372                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 373              }
 374          }
 375          else {
 376              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 377                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 378                        &source, &dest, mode, NULL ) ;
 379          }
 380          UnlockPixels( bmappixels ) ;
 381      }
 382      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 383      {
 384         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 385         OffsetRect( &bitmaprect, xx, yy ) ;
 386         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 387      }
 388      m_macPenInstalled = false ;
 389      m_macBrushInstalled = false ;
 390      m_macFontInstalled = false ;
 391
 392 }
 393
 394 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 395 {
 396      wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 397
 398      wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 399
 400     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 401 }
 402 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 403 {
 404     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 405     wxCoord xx, yy, ww, hh;
 406
 407     xx = XLOG2DEVMAC(x);
 408     yy = YLOG2DEVMAC(y);
 409     ww = XLOG2DEVREL(width);
 410     hh = YLOG2DEVREL(height);
 411
 412     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 413     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 414
 415     if( m_clipping )
 416     {
 417         m_clipX1 = wxMax( m_clipX1 , xx );
 418         m_clipY1 = wxMax( m_clipY1 , yy );
 419         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 420         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 421     }
 422     else
 423     {
 424         m_clipping = TRUE;
 425         m_clipX1 = xx;
 426         m_clipY1 = yy;
 427         m_clipX2 = xx + ww;
 428         m_clipY2 = yy + hh;
 429     }
 430
 431 }
 432 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 433 {
 434     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 435
 436         wxMacPortSetter helper(this) ;
 437     if (region.Empty())
 438     {
 439         DestroyClippingRegion();
 440         return;
 441     }
 442
 443     wxCoord x, y, w, h;
 444     region.GetBox( x, y, w, h );
 445     wxCoord xx, yy, ww, hh;
 446
 447     xx = XLOG2DEVMAC(x);
 448     yy = YLOG2DEVMAC(y);
 449     ww = XLOG2DEVREL(w);
 450     hh = YLOG2DEVREL(h);
 451
 452     // if we have a scaling that we cannot map onto native regions
 453     // we must use the box
 454
 455     if ( ww != w || hh != h )
 456     {
 457         wxDC::DoSetClippingRegion( x, y, w, h );
 458     }
 459     else
 460     {
 461         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 462         if ( xx != x || yy != y )
 463         {
 464             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 465         }
 466         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 467         if( m_clipping )
 468         {
 469             m_clipX1 = wxMax( m_clipX1 , xx );
 470             m_clipY1 = wxMax( m_clipY1 , yy );
 471             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 472             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 473         }
 474         else
 475         {
 476             m_clipping = TRUE;
 477             m_clipX1 = xx;
 478             m_clipY1 = yy;
 479             m_clipX2 = xx + ww;
 480             m_clipY2 = yy + hh;
 481         }
 482     }
 483
 484 }
 485
 486 void wxDC::DestroyClippingRegion()
 487 {
 488   wxMacPortSetter helper(this) ;
 489   CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 490   m_clipping = FALSE;
 491 }
 492 void wxDC::DoGetSize( int* width, int* height ) const
 493 {
 494   *width = m_maxX-m_minX;
 495   *height = m_maxY-m_minY;
 496 }
 497 void wxDC::DoGetSizeMM( int* width, int* height ) const
 498 {
 499   int w = 0;
 500   int h = 0;
 501   GetSize( &w, &h );
 502   *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 503   *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 504 }
 505 void wxDC::SetTextForeground( const wxColour &col )
 506 {
 507     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 508     m_textForegroundColour = col;
 509     m_macFontInstalled = false ;
 510 }
 511 void wxDC::SetTextBackground( const wxColour &col )
 512 {
 513     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 514     m_textBackgroundColour = col;
 515     m_macFontInstalled = false ;
 516 }
 517 void wxDC::SetMapMode( int mode )
 518 {
 519   switch (mode)
 520   {
 521     case wxMM_TWIPS:
 522       SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 523       break;
 524     case wxMM_POINTS:
 525       SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 526       break;
 527     case wxMM_METRIC:
 528       SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 529       break;
 530     case wxMM_LOMETRIC:
 531       SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 532       break;
 533     default:
 534     case wxMM_TEXT:
 535       SetLogicalScale( 1.0, 1.0 );
 536       break;
 537   }
 538   if (mode != wxMM_TEXT)
 539   {
 540     m_needComputeScaleX = TRUE;
 541     m_needComputeScaleY = TRUE;
 542   }
 543 }
 544 void wxDC::SetUserScale( double x, double y )
 545 {
 546   // allow negative ? -> no
 547   m_userScaleX = x;
 548   m_userScaleY = y;
 549   ComputeScaleAndOrigin();
 550 }
 551 void wxDC::SetLogicalScale( double x, double y )
 552 {
 553   // allow negative ?
 554   m_logicalScaleX = x;
 555   m_logicalScaleY = y;
 556   ComputeScaleAndOrigin();
 557 }
 558 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 559 {
 560   m_logicalOriginX = x * m_signX;   // is this still correct ?
 561   m_logicalOriginY = y * m_signY;
 562   ComputeScaleAndOrigin();
 563 }
 564 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 565 {
 566   m_externalDeviceOriginX = x;
 567   m_externalDeviceOriginY = y;
 568   ComputeScaleAndOrigin();
 569 }
 570
 571 #if 0
 572 void wxDC::SetInternalDeviceOrigin( long x, long y )
 573 {
 574   m_internalDeviceOriginX = x;
 575   m_internalDeviceOriginY = y;
 576   ComputeScaleAndOrigin();
 577 }
 578 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 579 {
 580   if (x) *x = m_internalDeviceOriginX;
 581   if (y) *y = m_internalDeviceOriginY;
 582 }
 583 #endif
 584 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 585 {
 586   m_signX = (xLeftRight ?  1 : -1);
 587   m_signY = (yBottomUp  ? -1 :  1);
 588   ComputeScaleAndOrigin();
 589 }
 590
 591 wxSize wxDC::GetPPI() const
 592 {
 593     return wxSize(72, 72);
 594 }
 595
 596 int wxDC::GetDepth() const
 597 {
 598     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 599     {
 600         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 601     }
 602     return 1 ;
 603 }
 604
 605 void wxDC::ComputeScaleAndOrigin()
 606 {
 607   // CMB: copy scale to see if it changes
 608   double origScaleX = m_scaleX;
 609   double origScaleY = m_scaleY;
 610
 611   m_scaleX = m_logicalScaleX * m_userScaleX;
 612   m_scaleY = m_logicalScaleY * m_userScaleY;
 613
 614   m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 615   m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 616
 617   // CMB: if scale has changed call SetPen to recalulate the line width
 618   if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 619   {
 620     // this is a bit artificial, but we need to force wxDC to think
 621     // the pen has changed
 622     wxPen* pen = & GetPen();
 623     wxPen tempPen;
 624     m_pen = tempPen;
 625     SetPen(* pen);
 626   }
 627 }
 628 void  wxDC::SetPalette( const wxPalette& palette )
 629 {
 630 }
 631
 632 void  wxDC::SetBackgroundMode( int mode )
 633 {
 634         m_backgroundMode = mode ;
 635 }
 636
 637 void  wxDC::SetFont( const wxFont &font )
 638 {
 639     m_font = font;
 640     m_macFontInstalled = false ;
 641 }
 642
 643 void  wxDC::SetPen( const wxPen &pen )
 644 {
 645         if ( m_pen == pen )
 646                 return ;
 647
 648   m_pen = pen;
 649
 650   m_macPenInstalled = false ;
 651 }
 652
 653 void  wxDC::SetBrush( const wxBrush &brush )
 654 {
 655   if (m_brush == brush)
 656         return;
 657
 658   m_brush = brush;
 659   m_macBrushInstalled = false ;
 660 }
 661
 662 void  wxDC::SetBackground( const wxBrush &brush )
 663 {
 664   if (m_backgroundBrush == brush)
 665         return;
 666
 667   m_backgroundBrush = brush;
 668
 669   if (!m_backgroundBrush.Ok())
 670         return;
 671    m_macBrushInstalled = false ;
 672 }
 673
 674 void  wxDC::SetLogicalFunction( int function )
 675 {
 676         if (m_logicalFunction == function)
 677                 return;
 678
 679         m_logicalFunction = function ;
 680         m_macFontInstalled = false ;
 681         m_macBrushInstalled = false ;
 682         m_macPenInstalled = false ;
 683 }
 684
 685 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 686                           const wxColour & col, int style);
 687
 688 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 689                        const wxColour& col, int style)
 690 {
 691     return wxDoFloodFill(this, x, y, col, style);
 692 }
 693
 694 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 695 {
 696     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 697     wxMacPortSetter helper(this) ;
 698
 699     RGBColor colour;
 700
 701     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 702
 703     // Convert from Mac colour to wx
 704     col->Set( colour.red   >> 8,
 705               colour.green >> 8,
 706               colour.blue  >> 8);
 707
 708     return true ;
 709 }
 710
 711 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 712 {
 713   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 714
 715   wxMacPortSetter helper(this) ;
 716
 717   if (m_pen.GetStyle() != wxTRANSPARENT)
 718   {
 719                 MacInstallPen() ;
 720                 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 721                             m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 722
 723         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 724         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 725         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 726         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 727
 728         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 729             (m_pen.GetWidth() <= 1))
 730         {
 731             // Implement LAST_NOT for MAC at least for
 732             // orthogonal lines. RR.
 733                 if (xx1 == xx2)
 734                 {
 735                         if (yy1 < yy2)
 736                                 yy2--;
 737                     if (yy1 > yy2)
 738                         yy2++;
 739                 }
 740                 if (yy1 == yy2)
 741                 {
 742                         if (xx1 < xx2)
 743                                 xx2--;
 744                     if (xx1 > xx2)
 745                         xx2++;
 746                 }
 747         }
 748
 749                 ::MoveTo(xx1, yy1);
 750                 ::LineTo(xx2, yy2);
 751   }
 752 }
 753
 754 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 755 {
 756     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 757     wxMacPortSetter helper(this) ;
 758
 759     if (m_pen.GetStyle() != wxTRANSPARENT)
 760     {
 761         int w = 0;
 762         int h = 0;
 763         GetSize( &w, &h );
 764         wxCoord xx = XLOG2DEVMAC(x);
 765         wxCoord yy = YLOG2DEVMAC(y);
 766
 767         MacInstallPen();
 768         ::MoveTo( XLOG2DEVMAC(0), yy );
 769         ::LineTo( XLOG2DEVMAC(w), yy );
 770         ::MoveTo( xx, YLOG2DEVMAC(0) );
 771         ::LineTo( xx, YLOG2DEVMAC(h) );
 772
 773         CalcBoundingBox(x, y);
 774         CalcBoundingBox(x+w, y+h);
 775
 776     }
 777 }
 778
 779 /*
 780  * To draw arcs properly the angles need to be converted from the WX style:
 781  * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 782  * a normal axis on paper).
 783  * TO
 784  * the Mac style:
 785  * Angles start on the +ve y axis and go clockwise.
 786  * To achive this I work out which quadrant the angle lies in then map this to
 787  * the equivalent quadrant on the Mac.  (Sin and Cos values reveal which
 788  * quadrant you are in).
 789  */
 790 static double wxConvertWXangleToMACangle(double angle)
 791 {
 792     double sin_a, cos_a;
 793
 794     sin_a = sin(angle / RAD2DEG);
 795     cos_a = cos(angle / RAD2DEG);
 796
 797     if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
 798         angle = acos(sin_a) * RAD2DEG;
 799     }
 800     else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
 801         sin_a *= -1;
 802         angle = acos(sin_a) * RAD2DEG + 180;
 803     }
 804     else if( (sin_a <= 0.0) && (cos_a >=  0.0) ) {
 805         angle = acos(sin_a) * RAD2DEG + 180;
 806     }
 807     else if( (sin_a <  0.0) && (cos_a <  0.0) ) {
 808         sin_a *= -1;
 809         angle = acos(sin_a) * RAD2DEG + 180;
 810     }
 811     return angle;
 812 }
 813
 814 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 815                            wxCoord x2, wxCoord y2,
 816                            wxCoord xc, wxCoord yc )
 817 {
 818     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 819     wxMacPortSetter helper(this) ;
 820
 821     wxCoord xx1 = XLOG2DEVMAC(x1);
 822     wxCoord yy1 = YLOG2DEVMAC(y1);
 823     wxCoord xx2 = XLOG2DEVMAC(x2);
 824     wxCoord yy2 = YLOG2DEVMAC(y2);
 825     wxCoord xxc = XLOG2DEVMAC(xc);
 826     wxCoord yyc = YLOG2DEVMAC(yc);
 827     double dx = xx1 - xxc;
 828     double dy = yy1 - yyc;
 829     double radius = sqrt((double)(dx*dx+dy*dy));
 830     wxCoord rad   = (wxCoord)radius;
 831     double radius1, radius2;
 832
 833     if (xx1 == xx2 && yy1 == yy2)
 834     {
 835         radius1 = 0.0;
 836         radius2 = 360.0;
 837     }
 838     else if (radius == 0.0)
 839     {
 840         radius1 = radius2 = 0.0;
 841     }
 842     else
 843     {
 844         radius1 = (xx1 - xxc == 0) ?
 845             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 846             -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 847          radius2 = (xx2 - xxc == 0) ?
 848             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 849             -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 850      }
 851      wxCoord alpha2 = wxCoord(radius2 - radius1);
 852     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 853      if( (xx1 > xx2) || (yy1 > yy2) ) {
 854         alpha2 *= -1;
 855     }
 856
 857     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 858
 859     if(m_brush.GetStyle() != wxTRANSPARENT) {
 860         MacInstallBrush();
 861         PaintArc(&r, alpha1, alpha2);
 862     }
 863     if(m_pen.GetStyle() != wxTRANSPARENT) {
 864         MacInstallPen();
 865         FrameArc(&r, alpha1, alpha2);
 866     }
 867 }
 868
 869 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 870                                    double sa, double ea )
 871 {
 872     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 873     wxMacPortSetter helper(this) ;
 874
 875     Rect r;
 876     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 877
 878     wxCoord xx = XLOG2DEVMAC(x);
 879     wxCoord yy = YLOG2DEVMAC(y);
 880     wxCoord ww = m_signX * XLOG2DEVREL(w);
 881     wxCoord hh = m_signY * YLOG2DEVREL(h);
 882
 883     // handle -ve width and/or height
 884     if (ww < 0) { ww = -ww; xx = xx - ww; }
 885     if (hh < 0) { hh = -hh; yy = yy - hh; }
 886
 887     sa = wxConvertWXangleToMACangle(sa);
 888
 889     r.top    = yy;
 890     r.left   = xx;
 891     r.bottom = yy + hh;
 892     r.right  = xx + ww;
 893
 894     if(m_brush.GetStyle() != wxTRANSPARENT) {
 895         MacInstallBrush();
 896         PaintArc(&r, (short)sa, (short)angle);
 897     }
 898     if(m_pen.GetStyle() != wxTRANSPARENT) {
 899         MacInstallPen();
 900         FrameArc(&r, (short)sa, (short)angle);
 901     }
 902 }
 903
 904 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 905 {
 906   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 907
 908   wxMacPortSetter helper(this) ;
 909
 910   if (m_pen.GetStyle() != wxTRANSPARENT)
 911   {
 912         wxCoord xx1 = XLOG2DEVMAC(x);
 913         wxCoord yy1 = YLOG2DEVMAC(y);
 914         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 915         ::SetCPixel( xx1,yy1,&pencolor) ;
 916         CalcBoundingBox(x, y);
 917   }
 918 }
 919
 920 void  wxDC::DoDrawLines(int n, wxPoint points[],
 921                              wxCoord xoffset, wxCoord yoffset)
 922 {
 923   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 924   wxMacPortSetter helper(this) ;
 925
 926   if (m_pen.GetStyle() == wxTRANSPARENT)
 927         return;
 928
 929   MacInstallPen() ;
 930
 931   wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 932                       m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 933
 934   wxCoord x1, x2 , y1 , y2 ;
 935   x1 = XLOG2DEVMAC(points[0].x + xoffset);
 936   y1 = YLOG2DEVMAC(points[0].y + yoffset);
 937   ::MoveTo(x1 - offset, y1 - offset );
 938
 939   for (int i = 0; i < n-1; i++)
 940   {
 941     x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 942     y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 943     ::LineTo( x2 - offset, y2 - offset );
 944   }
 945 }
 946
 947 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 948                           wxCoord xoffset, wxCoord yoffset,
 949                           int fillStyle )
 950 {
 951         wxCHECK_RET(Ok(), wxT("Invalid DC"));
 952         wxMacPortSetter helper(this) ;
 953
 954         wxCoord x1, x2 , y1 , y2 ;
 955
 956     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 957         return ;
 958
 959         PolyHandle polygon = OpenPoly();
 960
 961         x1 = XLOG2DEVMAC(points[0].x + xoffset);
 962         y1 = YLOG2DEVMAC(points[0].y + yoffset);
 963         ::MoveTo(x1,y1);
 964
 965         for (int i = 1; i < n; i++)
 966         {
 967                 x2 = XLOG2DEVMAC(points[i].x + xoffset);
 968                 y2 = YLOG2DEVMAC(points[i].y + yoffset);
 969                 ::LineTo(x2, y2);
 970         }
 971
 972     // close the polyline if necessary
 973     if ( x1 != x2 || y1 != y2 )
 974     {
 975         ::LineTo(x1,y1 ) ;
 976     }
 977
 978         ClosePoly();
 979
 980         if (m_brush.GetStyle() != wxTRANSPARENT)
 981         {
 982
 983                 MacInstallBrush();
 984                 ::PaintPoly( polygon );
 985
 986         }
 987
 988         if (m_pen.GetStyle() != wxTRANSPARENT)
 989         {
 990
 991                 MacInstallPen() ;
 992                 ::FramePoly( polygon ) ;
 993
 994         }
 995         KillPoly( polygon );
 996 }
 997
 998 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 999 {
1000     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1001     wxMacPortSetter helper(this) ;
1002
1003         wxCoord xx = XLOG2DEVMAC(x);
1004         wxCoord yy = YLOG2DEVMAC(y);
1005         wxCoord ww = m_signX * XLOG2DEVREL(width);
1006         wxCoord hh = m_signY * YLOG2DEVREL(height);
1007
1008         // CMB: draw nothing if transformed w or h is 0
1009         if (ww == 0 || hh == 0)
1010                 return;
1011
1012         // CMB: handle -ve width and/or height
1013         if (ww < 0)
1014         {
1015                 ww = -ww;
1016                 xx = xx - ww;
1017         }
1018
1019         if (hh < 0)
1020         {
1021                 hh = -hh;
1022                 yy = yy - hh;
1023         }
1024
1025         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1026
1027         if (m_brush.GetStyle() != wxTRANSPARENT)
1028         {
1029                 MacInstallBrush() ;
1030                 ::PaintRect( &rect ) ;
1031         }
1032
1033         if (m_pen.GetStyle() != wxTRANSPARENT)
1034         {
1035                 MacInstallPen() ;
1036                 ::FrameRect( &rect ) ;
1037         }
1038 }
1039
1040 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1041                                         wxCoord width, wxCoord height,
1042                                         double radius)
1043 {
1044     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1045     wxMacPortSetter helper(this) ;
1046
1047     if (radius < 0.0)
1048             radius = - radius * ((width < height) ? width : height);
1049
1050         wxCoord xx = XLOG2DEVMAC(x);
1051         wxCoord yy = YLOG2DEVMAC(y);
1052         wxCoord ww = m_signX * XLOG2DEVREL(width);
1053         wxCoord hh = m_signY * YLOG2DEVREL(height);
1054
1055         // CMB: draw nothing if transformed w or h is 0
1056         if (ww == 0 || hh == 0)
1057                 return;
1058
1059         // CMB: handle -ve width and/or height
1060         if (ww < 0)
1061         {
1062                 ww = -ww;
1063                 xx = xx - ww;
1064         }
1065
1066         if (hh < 0)
1067         {
1068                 hh = -hh;
1069                 yy = yy - hh;
1070         }
1071
1072         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1073
1074         if (m_brush.GetStyle() != wxTRANSPARENT)
1075         {
1076                 MacInstallBrush() ;
1077                 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1078         }
1079
1080         if (m_pen.GetStyle() != wxTRANSPARENT)
1081         {
1082                 MacInstallPen() ;
1083                 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1084         }
1085 }
1086
1087 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1088 {
1089     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1090     wxMacPortSetter helper(this) ;
1091
1092         wxCoord xx = XLOG2DEVMAC(x);
1093         wxCoord yy = YLOG2DEVMAC(y);
1094         wxCoord ww = m_signX * XLOG2DEVREL(width);
1095         wxCoord hh = m_signY * YLOG2DEVREL(height);
1096
1097         // CMB: draw nothing if transformed w or h is 0
1098         if (ww == 0 || hh == 0)
1099                 return;
1100
1101         // CMB: handle -ve width and/or height
1102         if (ww < 0)
1103         {
1104                 ww = -ww;
1105                 xx = xx - ww;
1106         }
1107
1108         if (hh < 0)
1109         {
1110                 hh = -hh;
1111                 yy = yy - hh;
1112         }
1113
1114         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1115
1116         if (m_brush.GetStyle() != wxTRANSPARENT)
1117         {
1118                 MacInstallBrush() ;
1119                 ::PaintOval( &rect ) ;
1120         }
1121
1122         if (m_pen.GetStyle() != wxTRANSPARENT)
1123         {
1124                 MacInstallPen() ;
1125                 ::FrameOval( &rect ) ;
1126         }
1127 }
1128
1129
1130
1131 bool  wxDC::CanDrawBitmap(void) const
1132 {
1133         return true ;
1134 }
1135
1136
1137 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1138                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1139                         wxCoord xsrcMask,  wxCoord ysrcMask )
1140 {
1141     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1142     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1143
1144     if ( logical_func == wxNO_OP )
1145         return TRUE ;
1146
1147     if (xsrcMask == -1 && ysrcMask == -1)
1148     {
1149         xsrcMask = xsrc; ysrcMask = ysrc;
1150     }
1151
1152     // correct the parameter in case this dc does not have a mask at all
1153
1154     if ( useMask && !source->m_macMask )
1155         useMask = false ;
1156
1157         Rect srcrect , dstrect ;
1158         srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1159         srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1160         srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1161         srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1162         dstrect.top = YLOG2DEVMAC(ydest) ;
1163         dstrect.left = XLOG2DEVMAC(xdest) ;
1164         dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1165         dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1166
1167     short mode = kUnsupportedMode ;
1168     bool invertDestinationFirst = false ;
1169     switch ( logical_func )
1170     {
1171                 case wxAND:        // src AND dst
1172                     mode = srcOr ; // ok
1173                     break ;
1174                 case wxAND_INVERT: // (NOT src) AND dst
1175                     mode = notSrcOr  ; // ok
1176                     break ;
1177                 case wxAND_REVERSE:// src AND (NOT dst)
1178                     invertDestinationFirst = true ;
1179                     mode = srcOr ;
1180                     break ;
1181                 case wxCLEAR:      // 0
1182                     mode = kEmulatedMode ;
1183                     break ;
1184         case wxCOPY:       // src
1185                         mode = srcCopy ; // ok
1186                         break ;
1187                 case wxEQUIV:      // (NOT src) XOR dst
1188                     mode = srcXor ; // ok
1189                     break ;
1190                 case wxINVERT:     // NOT dst
1191                         mode = kEmulatedMode ; //or hilite ;
1192                         break ;
1193                 case wxNAND:       // (NOT src) OR (NOT dst)
1194                     invertDestinationFirst = true ;
1195                     mode = srcBic ;
1196                     break ;
1197                 case wxNOR:        // (NOT src) AND (NOT dst)
1198                     invertDestinationFirst = true ;
1199                     mode = notSrcOr ;
1200                     break ;
1201                 case wxNO_OP:      // dst
1202                     mode = kEmulatedMode ; // this has already been handled upon entry
1203                     break ;
1204                 case wxOR:         // src OR dst
1205                     mode = notSrcBic ;
1206                     break ;
1207                 case wxOR_INVERT:  // (NOT src) OR dst
1208                     mode = srcBic ;
1209                     break ;
1210                 case wxOR_REVERSE: // src OR (NOT dst)
1211                     invertDestinationFirst = true ;
1212                         mode = notSrcBic ;
1213                         break ;
1214                 case wxSET:        // 1
1215                     mode = kEmulatedMode ;
1216                     break ;
1217                 case wxSRC_INVERT: // (NOT src)
1218                         mode = notSrcCopy ; // ok
1219                         break ;
1220                 case wxXOR:        // src XOR dst
1221                         mode = notSrcXor ; // ok
1222                         break ;
1223
1224         default :
1225                         break ;
1226
1227     }
1228
1229     if ( mode == kUnsupportedMode )
1230     {
1231         wxFAIL_MSG("unsupported blitting mode" );
1232         return FALSE ;
1233     }
1234
1235         CGrafPtr                        sourcePort = (CGrafPtr) source->m_macPort ;
1236         PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1237         if ( LockPixels(bmappixels) )
1238         {
1239         wxMacPortSetter helper(this) ;
1240
1241         if ( source->GetDepth() == 1 )
1242         {
1243             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1244             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1245         }
1246         else
1247         {
1248             // the modes need this, otherwise we'll end up having really nice colors...
1249             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1250             RGBColor    black = { 0,0,0} ;
1251             RGBForeColor( &black ) ;
1252             RGBBackColor( &white ) ;
1253         }
1254
1255                 if ( useMask && source->m_macMask )
1256                 {
1257                     if ( mode == srcCopy )
1258                     {
1259                         if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1260                         {
1261                                 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1262                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1263                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1264                                                 &srcrect, &srcrect , &dstrect ) ;
1265                                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1266                         }
1267                     }
1268                     else
1269                     {
1270                 RgnHandle clipRgn = NewRgn() ;
1271                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1272                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1273                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1274                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1275                 if ( mode == kEmulatedMode )
1276                 {
1277                     Pattern pat ;
1278                             ::PenPat(GetQDGlobalsBlack(&pat));
1279                     if ( logical_func == wxSET )
1280                     {
1281                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1282                                 ::RGBForeColor( &col  ) ;
1283                         ::PaintRgn( clipRgn ) ;
1284                     }
1285                     else if ( logical_func == wxCLEAR )
1286                     {
1287                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1288                                 ::RGBForeColor( &col  ) ;
1289                         ::PaintRgn( clipRgn ) ;
1290                     }
1291                     else if ( logical_func == wxINVERT )
1292                     {
1293                         MacInvertRgn( clipRgn ) ;
1294                     }
1295                     else
1296                     {
1297                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1298                         {
1299                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1300                             {
1301                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1302                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1303                                 if ( PtInRgn( dstPoint , clipRgn ) )
1304                                 {
1305                                     RGBColor srcColor ;
1306                                     RGBColor dstColor ;
1307
1308                                     SetPort( (GrafPtr) sourcePort ) ;
1309                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1310                                     SetPort( (GrafPtr) m_macPort ) ;
1311                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1312
1313                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1314                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1315                                 }
1316                             }
1317                         }
1318                     }
1319                 }
1320                 else
1321                 {
1322                     if ( invertDestinationFirst )
1323                     {
1324                         MacInvertRgn( clipRgn ) ;
1325                     }
1326                                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1327                                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1328                                         &srcrect, &dstrect, mode, clipRgn ) ;
1329                     }
1330                     DisposeRgn( clipRgn ) ;
1331                 }
1332                 }
1333                 else
1334                 {
1335             RgnHandle clipRgn = NewRgn() ;
1336             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1337                     if ( mode == kEmulatedMode )
1338                     {
1339                 Pattern pat ;
1340                     ::PenPat(GetQDGlobalsBlack(&pat));
1341                 if ( logical_func == wxSET )
1342                 {
1343                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1344                         ::RGBForeColor( &col  ) ;
1345                     ::PaintRgn( clipRgn ) ;
1346                 }
1347                 else if ( logical_func == wxCLEAR )
1348                 {
1349                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1350                         ::RGBForeColor( &col  ) ;
1351                     ::PaintRgn( clipRgn ) ;
1352                 }
1353                 else if ( logical_func == wxINVERT )
1354                 {
1355                     MacInvertRgn( clipRgn ) ;
1356                 }
1357                 else
1358                 {
1359                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1360                     {
1361                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1362                         {
1363                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1364                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1365
1366                             {
1367                                 RGBColor srcColor ;
1368                                 RGBColor dstColor ;
1369
1370                                 SetPort( (GrafPtr) sourcePort ) ;
1371                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1372                                 SetPort( (GrafPtr) m_macPort ) ;
1373                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1374
1375                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1376                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1377                             }
1378                         }
1379                     }
1380                 }
1381
1382                 }
1383                 else
1384                 {
1385                 if ( invertDestinationFirst )
1386                 {
1387                     MacInvertRgn( clipRgn ) ;
1388                 }
1389                         CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1390                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1391                                 &srcrect, &dstrect, mode, NULL ) ;
1392                 }
1393                 DisposeRgn( clipRgn ) ;
1394                 }
1395                 UnlockPixels( bmappixels ) ;
1396         }
1397
1398         m_macPenInstalled = false ;
1399         m_macBrushInstalled = false ;
1400         m_macFontInstalled = false ;
1401
1402   return TRUE;
1403 }
1404
1405 inline Fixed    IntToFixed( int inInt )
1406         {
1407                 return (((SInt32) inInt) << 16);
1408         }
1409
1410
1411 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1412                               double angle)
1413 {
1414     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1415
1416     if (angle == 0.0 )
1417     {
1418         DrawText(str, x, y);
1419         return;
1420     }
1421
1422     if ( str.Length() == 0 )
1423         return ;
1424
1425     wxMacPortSetter helper(this) ;
1426     MacInstallFont() ;
1427
1428         wxString text ;
1429         if ( wxApp::s_macDefaultEncodingIsPC )
1430         {
1431                 text = wxMacMakeMacStringFromPC( str ) ;
1432         }
1433         else
1434         {
1435                 text = str ;
1436         }
1437
1438         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1439     if ( 0 )
1440     {
1441         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1442         SetAntiAliasedTextEnabled(true, m_scaleY * font->m_macFontSize);
1443         m_macAliasWasEnabled = true ;
1444     }
1445
1446     OSStatus status = noErr ;
1447
1448         TECObjectRef ec;
1449         status = TECCreateConverter(&ec, kTextEncodingMacRoman, kTextEncodingUnicodeDefault);
1450         wxASSERT_MSG( status == noErr , "couldn't start converter" ) ;
1451
1452     ByteCount byteOutLen ;
1453     ByteCount byteInLen = text.Length() ;
1454     ByteCount byteBufferLen = byteInLen *2 ;
1455     char* buf = new char[byteBufferLen] ;
1456
1457         status = TECConvertText(ec, (ConstTextPtr)text.c_str() , byteInLen, &byteInLen,
1458             (TextPtr)buf, byteBufferLen, &byteOutLen);
1459
1460         wxASSERT_MSG( status == noErr , "couldn't convert text" ) ;
1461         status = TECDisposeConverter(ec);
1462         wxASSERT_MSG( status == noErr , "couldn't dispose converter" ) ;
1463
1464         ATSUTextLayout atsuLayout ;
1465         UniCharCount chars = byteOutLen / 2 ;
1466     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1467         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1468         wxASSERT_MSG( status == noErr , "couldn't create the layout of the rotated text" );
1469
1470     if ( abs(angle) > 0 )
1471     {
1472         Fixed atsuAngle = IntToFixed( angle ) ;
1473         ByteCount angleSize = sizeof(Fixed) ;
1474         ATSUAttributeTag rotationTag = kATSULineRotationTag ;
1475         ATSUAttributeValuePtr   angleValue = &atsuAngle ;
1476         status = ::ATSUSetLayoutControls(atsuLayout , 1 , &rotationTag , &angleSize , &angleValue ) ;
1477     }
1478
1479     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1480                                 IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) );
1481         wxASSERT_MSG( status == noErr , "couldn't draw the rotated text" );
1482     Rect rect ;
1483         status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1484                                         IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) , &rect );
1485         wxASSERT_MSG( status == noErr , "couldn't measure the rotated text" );
1486
1487     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1488     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1489     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1490     ::ATSUDisposeTextLayout(atsuLayout);
1491     delete[] buf ;
1492 }
1493
1494 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1495 {
1496     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1497     wxMacPortSetter helper(this) ;
1498
1499         long xx = XLOG2DEVMAC(x);
1500         long yy = YLOG2DEVMAC(y);
1501 #if TARGET_CARBON
1502         bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1503         useDrawThemeText = false ;
1504 #endif
1505         MacInstallFont() ;
1506     if ( 0 )
1507     {
1508         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1509         SetAntiAliasedTextEnabled(true, 8);
1510         m_macAliasWasEnabled = true ;
1511     }
1512
1513         FontInfo fi ;
1514         ::GetFontInfo( &fi ) ;
1515
1516 #if TARGET_CARBON
1517         if ( !useDrawThemeText )
1518 #endif
1519             yy += fi.ascent ;
1520
1521         ::MoveTo( xx , yy );
1522         if (  m_backgroundMode == wxTRANSPARENT )
1523         {
1524                 ::TextMode( srcOr) ;
1525         }
1526         else
1527         {
1528                 ::TextMode( srcCopy ) ;
1529         }
1530
1531         const char *text = NULL ;
1532         int length = 0 ;
1533         wxString macText ;
1534
1535         if ( wxApp::s_macDefaultEncodingIsPC )
1536         {
1537                 macText = wxMacMakeMacStringFromPC( strtext ) ;
1538                 text = macText ;
1539                 length = macText.Length() ;
1540         }
1541         else
1542         {
1543                 text = strtext ;
1544                 length = strtext.Length() ;
1545         }
1546
1547         int laststop = 0 ;
1548         int i = 0 ;
1549         int line = 0 ;
1550
1551     {
1552
1553         while( i < length )
1554         {
1555                 if( text[i] == 13 || text[i] == 10)
1556                 {
1557 #if TARGET_CARBON
1558                 if ( useDrawThemeText )
1559                 {
1560                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 1000 } ;
1561                     CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1562                         ::DrawThemeTextBox( mString,
1563                                                                 kThemeCurrentPortFont,
1564                                                                 kThemeStateActive,
1565                                                                 false,
1566                                                                 &frame,
1567                                                                 teJustLeft,
1568                                                                 nil );
1569                     CFRelease( mString ) ;
1570                     line++ ;
1571                 }
1572                     else
1573 #endif
1574                     {
1575                                 ::DrawText( text , laststop , i - laststop ) ;
1576                     line++ ;
1577                                 ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1578                         }
1579                         laststop = i+1 ;
1580                 }
1581                 i++ ;
1582         }
1583 #if TARGET_CARBON
1584         if ( useDrawThemeText )
1585         {
1586             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 1000 } ;
1587             CFStringRef mString = CFStringCreateWithCString( NULL , text + laststop , kCFStringEncodingMacRoman ) ;
1588                 ::DrawThemeTextBox( mString,
1589                                                         kThemeCurrentPortFont,
1590                                                         kThemeStateActive,
1591                                                         false,
1592                                                         &frame,
1593                                                         teJustLeft,
1594                                                         nil );
1595             CFRelease( mString ) ;
1596         }
1597         else
1598 #endif
1599         {
1600             ::DrawText( text , laststop , i - laststop ) ;
1601         }
1602         }
1603         ::TextMode( srcOr ) ;
1604 }
1605
1606 bool  wxDC::CanGetTextExtent() const
1607 {
1608         wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1609
1610         return true ;
1611 }
1612
1613 void  wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1614                      wxCoord *descent, wxCoord *externalLeading ,
1615                      wxFont *theFont ) const
1616 {
1617    wxCHECK_RET(Ok(), wxT("Invalid DC"));
1618    wxMacPortSetter helper(this) ;
1619
1620         wxFont formerFont = m_font ;
1621
1622         if ( theFont )
1623         {
1624             // work around the constness
1625        *((wxFont*)(&m_font)) = *theFont ;
1626         }
1627
1628         MacInstallFont() ;
1629
1630         FontInfo fi ;
1631         ::GetFontInfo( &fi ) ;
1632 #if TARGET_CARBON
1633         bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1634         useGetThemeText = false ;
1635 #endif
1636
1637         if ( height )
1638                 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1639         if ( descent )
1640                 *descent =YDEV2LOGREL( fi.descent );
1641         if ( externalLeading )
1642                 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1643
1644         const char *text = NULL ;
1645         int length = 0 ;
1646         wxString macText ;
1647         if ( wxApp::s_macDefaultEncodingIsPC )
1648         {
1649                 macText = wxMacMakeMacStringFromPC( string ) ;
1650                 text = macText ;
1651                 length = macText.Length() ;
1652         }
1653         else
1654         {
1655                 text = string ;
1656                 length = string.Length() ;
1657         }
1658
1659         int laststop = 0 ;
1660         int i = 0 ;
1661         int curwidth = 0 ;
1662         if ( width )
1663         {
1664                 *width = 0 ;
1665
1666                 while( i < length )
1667                 {
1668                         if( text[i] == 13 || text[i] == 10)
1669                         {
1670                                 if ( height )
1671                                         *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1672 #if TARGET_CARBON
1673                 if ( useGetThemeText )
1674                 {
1675                     Point bounds={0,0} ;
1676                     SInt16 baseline ;
1677                     CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1678                         ::GetThemeTextDimensions( mString,
1679                                                                 kThemeCurrentPortFont,
1680                                                                 kThemeStateActive,
1681                                                                 false,
1682                                                                 &bounds,
1683                                                                 &baseline );
1684                     CFRelease( mString ) ;
1685                     curwidth = bounds.h ;
1686                 }
1687                 else
1688 #endif
1689                 {
1690                                     curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1691                                 }
1692                                 if ( curwidth > *width )
1693                                         *width = XDEV2LOGREL( curwidth ) ;
1694                                 laststop = i+1 ;
1695                         }
1696                         i++ ;
1697                 }
1698
1699 #if TARGET_CARBON
1700         if ( useGetThemeText )
1701         {
1702             Point bounds={0,0} ;
1703             SInt16 baseline ;
1704             CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1705                 ::GetThemeTextDimensions( mString,
1706                                                         kThemeCurrentPortFont,
1707                                                         kThemeStateActive,
1708                                                         false,
1709                                                         &bounds,
1710                                                         &baseline );
1711             CFRelease( mString ) ;
1712             curwidth = bounds.h ;
1713         }
1714         else
1715 #endif
1716         {
1717                     curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1718                 }
1719                 if ( curwidth > *width )
1720                         *width = XDEV2LOGREL( curwidth ) ;
1721         }
1722
1723         if ( theFont )
1724         {
1725             // work around the constness
1726        *((wxFont*)(&m_font)) = formerFont ;
1727                 m_macFontInstalled = false ;
1728         }
1729 }
1730
1731 wxCoord   wxDC::GetCharWidth(void) const
1732 {
1733     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1734
1735    wxMacPortSetter helper(this) ;
1736
1737         MacInstallFont() ;
1738
1739     int width = ::TextWidth( "n" , 0 , 1 ) ;
1740
1741         return YDEV2LOGREL(width) ;
1742 }
1743
1744 wxCoord   wxDC::GetCharHeight(void) const
1745 {
1746     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1747
1748     wxMacPortSetter helper(this) ;
1749
1750         MacInstallFont() ;
1751
1752         FontInfo fi ;
1753         ::GetFontInfo( &fi ) ;
1754
1755         return YDEV2LOGREL( fi.descent + fi.ascent );
1756 }
1757
1758 void  wxDC::Clear(void)
1759 {
1760     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1761     wxMacPortSetter helper(this) ;
1762         Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1763
1764         if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1765         {
1766             ::PenNormal() ;
1767             //MacInstallBrush() ;
1768         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1769                 ::EraseRect( &rect ) ;
1770         }
1771 }
1772
1773 void wxDC::MacInstallFont() const
1774 {
1775     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1776 //      if ( m_macFontInstalled )
1777 //              return ;
1778         Pattern blackColor ;
1779
1780         MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1781
1782         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1783
1784         if ( font )
1785         {
1786                 ::TextFont( font->m_macFontNum ) ;
1787                 ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1788                 ::TextFace( font->m_macFontStyle ) ;
1789
1790                 m_macFontInstalled = true ;
1791                 m_macBrushInstalled = false ;
1792                 m_macPenInstalled = false ;
1793
1794                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1795                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1796                 ::RGBForeColor( &forecolor );
1797                 ::RGBBackColor( &backcolor );
1798         }
1799         else
1800         {
1801         FontFamilyID fontId ;
1802         Str255 fontName ;
1803         SInt16 fontSize ;
1804         Style fontStyle ;
1805         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1806         GetFNum( fontName, &fontId );
1807
1808                 ::TextFont( fontId ) ;
1809                 ::TextSize( short(m_scaleY * fontSize) ) ;
1810                 ::TextFace( fontStyle ) ;
1811
1812                 // todo reset after spacing changes - or store the current spacing somewhere
1813
1814                 m_macFontInstalled = true ;
1815                 m_macBrushInstalled = false ;
1816                 m_macPenInstalled = false ;
1817
1818                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1819                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1820                 ::RGBForeColor( &forecolor );
1821                 ::RGBBackColor( &backcolor );
1822         }
1823
1824         short mode = patCopy ;
1825
1826         // todo :
1827
1828         switch( m_logicalFunction )
1829         {
1830                 case wxCOPY:       // src
1831                         mode = patCopy ;
1832                         break ;
1833                 case wxINVERT:     // NOT dst
1834                         ::PenPat(GetQDGlobalsBlack(&blackColor));
1835                         mode = patXor ;
1836                         break ;
1837                 case wxXOR:        // src XOR dst
1838                         mode = patXor ;
1839                         break ;
1840                 case wxOR_REVERSE: // src OR (NOT dst)
1841                         mode = notPatOr ;
1842                         break ;
1843                 case wxSRC_INVERT: // (NOT src)
1844                         mode = notPatCopy ;
1845                         break ;
1846
1847                 // unsupported TODO
1848
1849                 case wxCLEAR:      // 0
1850                 case wxAND_REVERSE:// src AND (NOT dst)
1851                 case wxAND:        // src AND dst
1852                 case wxAND_INVERT: // (NOT src) AND dst
1853                 case wxNO_OP:      // dst
1854                 case wxNOR:        // (NOT src) AND (NOT dst)
1855                 case wxEQUIV:      // (NOT src) XOR dst
1856                 case wxOR_INVERT:  // (NOT src) OR dst
1857                 case wxNAND:       // (NOT src) OR (NOT dst)
1858                 case wxOR:         // src OR dst
1859                 case wxSET:        // 1
1860 //              case wxSRC_OR:     // source _bitmap_ OR destination
1861 //              case wxSRC_AND:     // source _bitmap_ AND destination
1862                         break ;
1863         }
1864         ::PenMode( mode ) ;
1865
1866     OSStatus status = noErr ;
1867
1868     Fixed atsuSize = IntToFixed(m_scaleY * font->m_macFontSize) ;
1869
1870     Style qdStyle = font->m_macFontStyle ;
1871         ATSUFontID      atsuFont = font->m_macATSUFontID ;
1872
1873     status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
1874         wxASSERT_MSG( status == noErr , "couldn't create ATSU style" ) ;
1875
1876         ATSUAttributeTag atsuTags[] =
1877         {
1878             kATSUFontTag ,
1879             kATSUSizeTag ,
1880 //          kATSUColorTag ,
1881             kATSUBaselineClassTag ,
1882             kATSUVerticalCharacterTag,
1883
1884             kATSUQDBoldfaceTag ,
1885             kATSUQDItalicTag ,
1886             kATSUQDUnderlineTag ,
1887             kATSUQDCondensedTag ,
1888             kATSUQDExtendedTag ,
1889
1890         } ;
1891
1892     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1893     {
1894         sizeof( ATSUFontID ) ,
1895         sizeof( Fixed ) ,
1896 //        sizeof( RGBColor ) ,
1897         sizeof( BslnBaselineClass ) ,
1898         sizeof( ATSUVerticalCharacterType),
1899
1900         sizeof( Boolean ) ,
1901         sizeof( Boolean ) ,
1902         sizeof( Boolean ) ,
1903         sizeof( Boolean ) ,
1904         sizeof( Boolean ) ,
1905
1906     } ;
1907
1908     Boolean kTrue = true ;
1909     Boolean kFalse = false ;
1910     BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1911
1912     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1913
1914         ATSUAttributeValuePtr   atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1915         {
1916             &atsuFont ,
1917             &atsuSize ,
1918 //          &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1919             &kBaselineDefault ,
1920             &kHorizontal,
1921
1922             (qdStyle & bold) ? &kTrue : &kFalse ,
1923             (qdStyle & italic) ? &kTrue : &kFalse ,
1924             (qdStyle & underline) ? &kTrue : &kFalse ,
1925             (qdStyle & condense) ? &kTrue : &kFalse ,
1926             (qdStyle & extend) ? &kTrue : &kFalse ,
1927         } ;
1928
1929         status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1930             atsuTags, atsuSizes, atsuValues);
1931         wxASSERT_MSG( status == noErr , "couldn't set create ATSU style" ) ;
1932
1933 }
1934
1935 Pattern gHatchPatterns[] =
1936 {
1937     { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } ,
1938     { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } ,
1939     { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } ,
1940     { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } ,
1941     { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } ,
1942     { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } ,
1943     { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } ,
1944 } ;
1945
1946 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1947 {
1948         int theIndex = 1 ;
1949
1950         switch(hatchStyle)
1951         {
1952                 case wxBDIAGONAL_HATCH:
1953                         theIndex = 2;
1954                         break;
1955                 case wxFDIAGONAL_HATCH:
1956                         theIndex = 3;
1957                         break;
1958                 case wxCROSS_HATCH:
1959                         theIndex = 4;
1960                         break;
1961                 case wxHORIZONTAL_HATCH:
1962                         theIndex = 5;
1963                         break;
1964                 case wxVERTICAL_HATCH:
1965                         theIndex = 6;
1966                         break;
1967                 case wxCROSSDIAG_HATCH:
1968                         theIndex = 7;
1969                         break;
1970                 default:
1971                         theIndex = 1; // solid pattern
1972                         break;
1973         }
1974         *pattern = gHatchPatterns[theIndex-1] ;
1975 }
1976
1977 void wxDC::MacInstallPen() const
1978 {
1979     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1980
1981         Pattern  blackColor;
1982
1983 //      if ( m_macPenInstalled )
1984 //              return ;
1985
1986         RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1987         RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1988         ::RGBForeColor( &forecolor );
1989         ::RGBBackColor( &backcolor );
1990
1991         ::PenNormal() ;
1992         int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1993
1994         // null means only one pixel, at whatever resolution
1995         if ( penWidth == 0 )
1996                 penWidth = 1 ;
1997         ::PenSize(penWidth, penWidth);
1998
1999         int penStyle = m_pen.GetStyle();
2000
2001         if (penStyle == wxSOLID)
2002         {
2003                 ::PenPat(GetQDGlobalsBlack(&blackColor));
2004         }
2005         else if (IS_HATCH(penStyle))
2006         {
2007                 Pattern pat ;
2008                 wxMacGetHatchPattern(penStyle, &pat);
2009                 ::PenPat(&pat);
2010         }
2011         else
2012         {
2013             Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
2014             switch( penStyle )
2015             {
2016                 case wxDOT :
2017                 for ( int i = 0 ; i < 8 ; ++i )
2018                 {
2019                     pat.pat[i] = 0xCC ;
2020                 }
2021                     break ;
2022                 case wxLONG_DASH :
2023                 for ( int i = 0 ; i < 8 ; ++i )
2024                 {
2025                     pat.pat[i] = 0xFE ;
2026                 }
2027                     break ;
2028                 case wxSHORT_DASH :
2029                 for ( int i = 0 ; i < 8 ; ++i )
2030                 {
2031                     pat.pat[i] = 0xEE ;
2032                 }
2033                     break ;
2034                 case wxDOT_DASH :
2035                 for ( int i = 0 ; i < 8 ; ++i )
2036                 {
2037                     pat.pat[i] = 0x6F ;
2038                 }
2039                     break ;
2040                 case wxUSER_DASH :
2041                     {
2042                         wxDash* dash ;
2043                         int number = m_pen.GetDashes(&dash) ;
2044                         // right now we don't allocate larger pixmaps
2045                         for ( int i = 0 ; i < 8 ; ++i )
2046                         {
2047                             pat.pat[i] = dash[0] ;
2048                         }
2049                     }
2050                     break ;
2051             }
2052                 ::PenPat(&pat);
2053         }
2054
2055         short mode = patCopy ;
2056
2057         // todo :
2058
2059         switch( m_logicalFunction )
2060         {
2061                 case wxCOPY:       // only foreground color, leave background (thus not patCopy)
2062                         mode = patOr ;
2063                         break ;
2064                 case wxINVERT:     // NOT dst
2065 //                      ::PenPat(GetQDGlobalsBlack(&blackColor));
2066                         mode = patXor ;
2067                         break ;
2068                 case wxXOR:        // src XOR dst
2069                         mode = patXor ;
2070                         break ;
2071                 case wxOR_REVERSE: // src OR (NOT dst)
2072                         mode = notPatOr ;
2073                         break ;
2074                 case wxSRC_INVERT: // (NOT src)
2075                         mode = notPatCopy ;
2076                         break ;
2077
2078                 // unsupported TODO
2079
2080                 case wxCLEAR:      // 0
2081                 case wxAND_REVERSE:// src AND (NOT dst)
2082                 case wxAND:        // src AND dst
2083                 case wxAND_INVERT: // (NOT src) AND dst
2084                 case wxNO_OP:      // dst
2085                 case wxNOR:        // (NOT src) AND (NOT dst)
2086                 case wxEQUIV:      // (NOT src) XOR dst
2087                 case wxOR_INVERT:  // (NOT src) OR dst
2088                 case wxNAND:       // (NOT src) OR (NOT dst)
2089                 case wxOR:         // src OR dst
2090                 case wxSET:        // 1
2091 //              case wxSRC_OR:     // source _bitmap_ OR destination
2092 //              case wxSRC_AND:     // source _bitmap_ AND destination
2093                         break ;
2094         }
2095         ::PenMode( mode ) ;
2096         m_macPenInstalled = true ;
2097         m_macBrushInstalled = false ;
2098         m_macFontInstalled = false ;
2099 }
2100
2101 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
2102 {
2103     Pattern whiteColor ;
2104     switch( background.MacGetBrushKind() )
2105     {
2106       case kwxMacBrushTheme :
2107         {
2108                 ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
2109           break ;
2110         }
2111       case kwxMacBrushThemeBackground :
2112         {
2113                 Rect extent ;
2114                 ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
2115                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2116           break ;
2117         }
2118       case kwxMacBrushColour :
2119         {
2120             ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2121                 int brushStyle = background.GetStyle();
2122                 if (brushStyle == wxSOLID)
2123                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
2124                 else if (IS_HATCH(brushStyle))
2125                 {
2126                         Pattern pat ;
2127                         wxMacGetHatchPattern(brushStyle, &pat);
2128                         ::BackPat(&pat);
2129                 }
2130                 else
2131                 {
2132                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
2133                 }
2134           break ;
2135         }
2136     }
2137 }
2138
2139 void wxDC::MacInstallBrush() const
2140 {
2141     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2142
2143         Pattern  blackColor ;
2144 //      if ( m_macBrushInstalled )
2145 //              return ;
2146
2147         // foreground
2148
2149         bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2150
2151         ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2152         ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2153
2154         int brushStyle = m_brush.GetStyle();
2155         if (brushStyle == wxSOLID)
2156         {
2157                 ::PenPat(GetQDGlobalsBlack(&blackColor));
2158     }
2159         else if (IS_HATCH(brushStyle))
2160         {
2161                 Pattern pat ;
2162                 wxMacGetHatchPattern(brushStyle, &pat);
2163                 ::PenPat(&pat);
2164         }
2165         else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2166         {
2167             // we force this in order to be compliant with wxMSW
2168             backgroundTransparent = false ;
2169             // for these the text fore (and back for MASK_OPAQUE) colors are used
2170             wxBitmap* bitmap = m_brush.GetStipple() ;
2171             int width = bitmap->GetWidth() ;
2172             int height = bitmap->GetHeight() ;
2173         GWorldPtr gw = NULL ;
2174
2175             if ( m_brush.GetStyle() == wxSTIPPLE )
2176                 gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2177             else
2178                 gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2179
2180         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2181         LockPixels( gwpixmaphandle ) ;
2182
2183             bool isMonochrome = !IsPortColor( gw ) ;
2184
2185         if ( !isMonochrome )
2186         {
2187             if ( (**gwpixmaphandle).pixelSize == 1 )
2188                 isMonochrome = true ;
2189         }
2190
2191         if ( isMonochrome && width == 8 && height == 8 )
2192             {
2193                 ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2194                 ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2195             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2196             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2197             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2198             Pattern pat ;
2199             for ( int i = 0 ; i < 8 ; ++i )
2200             {
2201                 pat.pat[i] = gwbits[i*alignment+0] ;
2202             }
2203             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2204             ::PenPat( &pat ) ;
2205             }
2206             else
2207             {
2208  // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2209  // caching scheme before putting this into production
2210                 Handle      image;
2211                 long            imageSize;
2212                 PixPatHandle pixpat = NewPixPat() ;
2213
2214                 CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2215             imageSize = GetPixRowBytes((**pixpat).patMap) *
2216                             ((**(**pixpat).patMap).bounds.bottom -
2217                             (**(**pixpat).patMap).bounds.top);
2218
2219             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2220             (**pixpat).patData = image;
2221             if ( isMonochrome )
2222             {
2223                     CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2224                     ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2225                     if ( ctspec[0].rgb.red == 0x0000 )
2226                     {
2227                         ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2228                         ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2229                     }
2230                     else
2231                     {
2232                         ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2233                         ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2234                     }
2235                     ::CTabChanged( ctable ) ;
2236             }
2237             ::PenPixPat(pixpat);
2238             m_macForegroundPixMap = pixpat ;
2239             }
2240             UnlockPixels( gwpixmaphandle ) ;
2241         }
2242     else
2243     {
2244             ::PenPat(GetQDGlobalsBlack(&blackColor));
2245         }
2246
2247         short mode = patCopy ;
2248         switch( m_logicalFunction )
2249         {
2250                 case wxCOPY:       // src
2251                     if ( backgroundTransparent )
2252                         mode = patOr ;
2253                     else
2254                             mode = patCopy ;
2255                         break ;
2256                 case wxINVERT:     // NOT dst
2257                     if ( !backgroundTransparent )
2258                     {
2259                             ::PenPat(GetQDGlobalsBlack(&blackColor));
2260                         }
2261                         mode = patXor ;
2262                         break ;
2263                 case wxXOR:        // src XOR dst
2264                         mode = patXor ;
2265                         break ;
2266                 case wxOR_REVERSE: // src OR (NOT dst)
2267                         mode = notPatOr ;
2268                         break ;
2269                 case wxSRC_INVERT: // (NOT src)
2270                         mode = notPatCopy ;
2271                         break ;
2272
2273                 // unsupported TODO
2274
2275                 case wxCLEAR:      // 0
2276                 case wxAND_REVERSE:// src AND (NOT dst)
2277                 case wxAND:        // src AND dst
2278                 case wxAND_INVERT: // (NOT src) AND dst
2279                 case wxNO_OP:      // dst
2280                 case wxNOR:        // (NOT src) AND (NOT dst)
2281                 case wxEQUIV:      // (NOT src) XOR dst
2282                 case wxOR_INVERT:  // (NOT src) OR dst
2283                 case wxNAND:       // (NOT src) OR (NOT dst)
2284                 case wxOR:         // src OR dst
2285                 case wxSET:        // 1
2286 //              case wxSRC_OR:     // source _bitmap_ OR destination
2287 //              case wxSRC_AND:     // source _bitmap_ AND destination
2288                         break ;
2289         }
2290         ::PenMode( mode ) ;
2291         m_macBrushInstalled = true ;
2292         m_macPenInstalled = false ;
2293         m_macFontInstalled = false ;
2294 }
2295
2296 // ---------------------------------------------------------------------------
2297 // coordinates transformations
2298 // ---------------------------------------------------------------------------
2299
2300
2301 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2302 {
2303     return ((wxDC *)this)->XDEV2LOG(x);
2304 }
2305
2306 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2307 {
2308     return ((wxDC *)this)->YDEV2LOG(y);
2309 }
2310
2311 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2312 {
2313     return ((wxDC *)this)->XDEV2LOGREL(x);
2314 }
2315
2316 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2317 {
2318     return ((wxDC *)this)->YDEV2LOGREL(y);
2319 }
2320
2321 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2322 {
2323     return ((wxDC *)this)->XLOG2DEV(x);
2324 }
2325
2326 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2327 {
2328     return ((wxDC *)this)->YLOG2DEV(y);
2329 }
2330
2331 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2332 {
2333     return ((wxDC *)this)->XLOG2DEVREL(x);
2334 }
2335
2336 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2337 {
2338     return ((wxDC *)this)->YLOG2DEVREL(y);
2339 }