src/mac/carbon/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   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/dcprint.h"
  21 #include "wx/region.h"
  22 #include "wx/image.h"
  23 #include "wx/log.h"
  24
  25 #if __MSL__ >= 0x6000
  26 namespace std {}
  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 #include <FixMath.h>
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  37 #endif
  38
  39 //-----------------------------------------------------------------------------
  40 // constants
  41 //-----------------------------------------------------------------------------
  42
  43 const double RAD2DEG  = 180.0 / M_PI;
  44 const short kEmulatedMode = -1 ;
  45 const short kUnsupportedMode = -2 ;
  46
  47 extern TECObjectRef s_TECNativeCToUnicode ;
  48
  49 // set to 0 if problems arise
  50 #define wxMAC_EXPERIMENTAL_DC 1
  51
  52 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  53     m_ph( (GrafPtr) dc->m_macPort )
  54 {
  55     wxASSERT( dc->Ok() ) ;
  56     m_dc = dc ;
  57     dc->MacSetupPort(&m_ph) ;
  58 }
  59 wxMacPortSetter::~wxMacPortSetter()
  60 {
  61     m_dc->MacCleanupPort(&m_ph) ;
  62 }
  63
  64 #if wxMAC_EXPERIMENTAL_DC
  65 class wxMacFastPortSetter
  66 {
  67 public :
  68     wxMacFastPortSetter( const wxDC *dc )
  69     {
  70         wxASSERT( dc->Ok() ) ;
  71         m_swapped = QDSwapPort( (GrafPtr) dc->m_macPort , &m_oldPort ) ;
  72         m_clipRgn = NewRgn() ;
  73         GetClip( m_clipRgn ) ;
  74         m_dc = dc ;
  75         dc->MacSetupPort( NULL ) ;
  76     }
  77     ~wxMacFastPortSetter()
  78     {
  79         // SetPort( (GrafPtr) m_dc->m_macPort ) ;
  80         SetClip( m_clipRgn ) ;
  81         if ( m_swapped )
  82             SetPort( m_oldPort ) ;
  83         m_dc->MacCleanupPort( NULL ) ;
  84         DisposeRgn( m_clipRgn ) ;
  85     }
  86 private :
  87     bool m_swapped ;
  88     RgnHandle m_clipRgn ;
  89     GrafPtr m_oldPort ;
  90     const wxDC*   m_dc ;
  91 } ;
  92
  93 #else
  94 typedef wxMacPortSetter wxMacFastPortSetter ;
  95 #endif
  96
  97 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
  98     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
  99 {
 100     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 101     m_formerClip = NewRgn() ;
 102     m_newClip = NewRgn() ;
 103     GetClip( m_formerClip ) ;
 104
 105     if ( win )
 106     {
 107         int x = 0 , y = 0;
 108         win->MacWindowToRootWindow( &x,&y ) ;
 109         // get area including focus rect
 110         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 111         if ( !EmptyRgn( m_newClip ) )
 112             OffsetRgn( m_newClip , x , y ) ;
 113
 114         SetClip( m_newClip ) ;
 115     }
 116 }
 117
 118 wxMacWindowClipper::~wxMacWindowClipper()
 119 {
 120     SetPort( m_newPort ) ;
 121     SetClip( m_formerClip ) ;
 122     DisposeRgn( m_newClip ) ;
 123     DisposeRgn( m_formerClip ) ;
 124 }
 125
 126 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 127     wxMacWindowClipper( win )
 128 {
 129     // the port is already set at this point
 130     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 131     GetThemeDrawingState( &m_themeDrawingState ) ;
 132 }
 133
 134 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 135 {
 136     SetPort( m_newPort ) ;
 137     SetThemeDrawingState( m_themeDrawingState , true ) ;
 138 }
 139
 140 //-----------------------------------------------------------------------------
 141 // Local functions
 142 //-----------------------------------------------------------------------------
 143 static inline double dmin(double a, double b) { return a < b ? a : b; }
 144 static inline double dmax(double a, double b) { return a > b ? a : b; }
 145 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 146
 147 //-----------------------------------------------------------------------------
 148 // wxDC
 149 //-----------------------------------------------------------------------------
 150 // this function emulates all wx colour manipulations, used to verify the implementation
 151 // by setting the mode in the blitting functions to kEmulatedMode
 152 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 153
 154 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 155 {
 156     switch ( logical_func )
 157     {
 158         case wxAND:        // src AND dst
 159             dstColor.red = dstColor.red & srcColor.red ;
 160             dstColor.green = dstColor.green & srcColor.green ;
 161             dstColor.blue = dstColor.blue & srcColor.blue ;
 162             break ;
 163         case wxAND_INVERT: // (NOT src) AND dst
 164             dstColor.red = dstColor.red & ~srcColor.red ;
 165             dstColor.green = dstColor.green & ~srcColor.green ;
 166             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 167             break ;
 168         case wxAND_REVERSE:// src AND (NOT dst)
 169             dstColor.red = ~dstColor.red & srcColor.red ;
 170             dstColor.green = ~dstColor.green & srcColor.green ;
 171             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 172             break ;
 173         case wxCLEAR:      // 0
 174             dstColor.red = 0 ;
 175             dstColor.green = 0 ;
 176             dstColor.blue = 0 ;
 177             break ;
 178         case wxCOPY:       // src
 179             dstColor.red = srcColor.red ;
 180             dstColor.green = srcColor.green ;
 181             dstColor.blue = srcColor.blue ;
 182             break ;
 183         case wxEQUIV:      // (NOT src) XOR dst
 184             dstColor.red = dstColor.red ^ ~srcColor.red ;
 185             dstColor.green = dstColor.green ^ ~srcColor.green ;
 186             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 187             break ;
 188         case wxINVERT:     // NOT dst
 189             dstColor.red = ~dstColor.red ;
 190             dstColor.green = ~dstColor.green ;
 191             dstColor.blue = ~dstColor.blue ;
 192             break ;
 193         case wxNAND:       // (NOT src) OR (NOT dst)
 194             dstColor.red = ~dstColor.red | ~srcColor.red ;
 195             dstColor.green = ~dstColor.green | ~srcColor.green ;
 196             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 197             break ;
 198         case wxNOR:        // (NOT src) AND (NOT dst)
 199             dstColor.red = ~dstColor.red & ~srcColor.red ;
 200             dstColor.green = ~dstColor.green & ~srcColor.green ;
 201             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 202             break ;
 203         case wxNO_OP:      // dst
 204             break ;
 205         case wxOR:         // src OR dst
 206             dstColor.red = dstColor.red | srcColor.red ;
 207             dstColor.green = dstColor.green | srcColor.green ;
 208             dstColor.blue = dstColor.blue | srcColor.blue ;
 209             break ;
 210         case wxOR_INVERT:  // (NOT src) OR dst
 211             dstColor.red = dstColor.red | ~srcColor.red ;
 212             dstColor.green = dstColor.green | ~srcColor.green ;
 213             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 214             break ;
 215         case wxOR_REVERSE: // src OR (NOT dst)
 216             dstColor.red = ~dstColor.red | srcColor.red ;
 217             dstColor.green = ~dstColor.green | srcColor.green ;
 218             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 219             break ;
 220         case wxSET:        // 1
 221             dstColor.red = 0xFFFF ;
 222             dstColor.green = 0xFFFF ;
 223             dstColor.blue = 0xFFFF ;
 224             break ;
 225         case wxSRC_INVERT: // (NOT src)
 226             dstColor.red = ~srcColor.red ;
 227             dstColor.green = ~srcColor.green ;
 228             dstColor.blue = ~srcColor.blue ;
 229             break ;
 230         case wxXOR:        // src XOR dst
 231             dstColor.red = dstColor.red ^ srcColor.red ;
 232             dstColor.green = dstColor.green ^ srcColor.green ;
 233             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 234             break ;
 235     }
 236 }
 237
 238 wxDC::wxDC()
 239 {
 240     m_ok = false;
 241     m_colour = true;
 242     m_mm_to_pix_x = mm2pt;
 243     m_mm_to_pix_y = mm2pt;
 244     m_internalDeviceOriginX = 0;
 245     m_internalDeviceOriginY = 0;
 246     m_externalDeviceOriginX = 0;
 247     m_externalDeviceOriginY = 0;
 248     m_logicalScaleX = 1.0;
 249     m_logicalScaleY = 1.0;
 250     m_userScaleX = 1.0;
 251     m_userScaleY = 1.0;
 252     m_scaleX = 1.0;
 253     m_scaleY = 1.0;
 254     m_needComputeScaleX = false;
 255     m_needComputeScaleY = false;
 256     m_macPort = NULL ;
 257     m_macMask = NULL ;
 258     m_ok = false ;
 259     m_macFontInstalled = false ;
 260     m_macBrushInstalled = false ;
 261     m_macPenInstalled = false ;
 262     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 263     m_macBoundaryClipRgn = NewRgn() ;
 264     m_macCurrentClipRgn = NewRgn() ;
 265     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 266     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 267     m_pen = *wxBLACK_PEN;
 268     m_font = *wxNORMAL_FONT;
 269     m_brush = *wxWHITE_BRUSH;
 270 #ifdef __WXDEBUG__
 271     // needed to debug possible errors with two active drawing methods at the same time on
 272     // the same DC
 273     m_macCurrentPortStateHelper = NULL ;
 274 #endif
 275     m_macATSUIStyle = NULL ;
 276     m_macAliasWasEnabled = false;
 277     m_macForegroundPixMap = NULL ;
 278     m_macBackgroundPixMap = NULL ;
 279 }
 280
 281 wxDC::~wxDC(void)
 282 {
 283     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 284     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 285 }
 286
 287 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 288 {
 289 #ifdef __WXDEBUG__
 290     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 291     m_macCurrentPortStateHelper = help ;
 292 #endif
 293     SetClip( (RgnHandle) m_macCurrentClipRgn);
 294 #if ! wxMAC_EXPERIMENTAL_DC
 295     m_macFontInstalled = false ;
 296     m_macBrushInstalled = false ;
 297     m_macPenInstalled = false ;
 298 #endif
 299 }
 300 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 301 {
 302 #ifdef __WXDEBUG__
 303     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 304     m_macCurrentPortStateHelper = NULL ;
 305 #endif
 306     if( m_macATSUIStyle )
 307     {
 308         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 309         m_macATSUIStyle = NULL ;
 310     }
 311     if ( m_macAliasWasEnabled )
 312     {
 313         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 314         m_macAliasWasEnabled = false ;
 315     }
 316     if ( m_macForegroundPixMap )
 317     {
 318         Pattern blackColor ;
 319         ::PenPat(GetQDGlobalsBlack(&blackColor));
 320         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 321         m_macForegroundPixMap = NULL ;
 322     }
 323     if ( m_macBackgroundPixMap )
 324     {
 325         Pattern whiteColor ;
 326         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 327         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 328         m_macBackgroundPixMap = NULL ;
 329     }
 330 }
 331
 332 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 333 {
 334      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 335      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 336      wxMacFastPortSetter helper(this) ;
 337      wxCoord xx = XLOG2DEVMAC(x);
 338      wxCoord yy = YLOG2DEVMAC(y);
 339      wxCoord w = bmp.GetWidth();
 340      wxCoord h = bmp.GetHeight();
 341      wxCoord ww = XLOG2DEVREL(w);
 342      wxCoord hh = YLOG2DEVREL(h);
 343      // Set up drawing mode
 344      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 345                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 346                     //m_logicalFunction == wxSET ? BLACKNESS :
 347                     m_logicalFunction == wxINVERT ? hilite :
 348                    //m_logicalFunction == wxAND ? MERGECOPY :
 349                     m_logicalFunction == wxOR ? srcOr :
 350                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 351                     m_logicalFunction == wxXOR ? srcXor :
 352                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 353                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 354                     //m_logicalFunction == wxSRC_OR ? srcOr :
 355                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 356                     srcCopy );
 357      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 358          Rect bitmaprect = { 0 , 0 , hh, ww };
 359          ::OffsetRect( &bitmaprect, xx, yy ) ;
 360          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 361     }
 362      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 363      {
 364          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 365          PixMapHandle bmappixels ;
 366          // Set foreground and background colours (for bitmaps depth = 1)
 367          if(bmp.GetDepth() == 1)
 368         {
 369              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 370              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 371              RGBForeColor(&fore);
 372              RGBBackColor(&back);
 373          }
 374          else
 375          {
 376              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 377              RGBColor black = { 0,0,0} ;
 378              RGBForeColor( &black ) ;
 379              RGBBackColor( &white ) ;
 380          }
 381          bmappixels = GetGWorldPixMap( bmapworld ) ;
 382          wxCHECK_RET(LockPixels(bmappixels),
 383                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 384          Rect source = { 0, 0, h, w };
 385          Rect dest   = { yy, xx, yy + hh, xx + ww };
 386          if ( useMask && bmp.GetMask() )
 387          {
 388              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 389              {
 390                  CopyDeepMask
 391                      (
 392                       GetPortBitMapForCopyBits(bmapworld),
 393                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 394                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 395                       &source, &source, &dest, mode, NULL
 396                       );
 397                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 398              }
 399          }
 400          else {
 401              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 402                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 403                        &source, &dest, mode, NULL ) ;
 404          }
 405          UnlockPixels( bmappixels ) ;
 406      }
 407      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 408      {
 409         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 410         OffsetRect( &bitmaprect, xx, yy ) ;
 411         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 412      }
 413      m_macPenInstalled = false ;
 414      m_macBrushInstalled = false ;
 415      m_macFontInstalled = false ;
 416 }
 417
 418 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 419 {
 420     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 421     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 422     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 423 }
 424
 425 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 426 {
 427     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 428     wxCoord xx, yy, ww, hh;
 429     xx = XLOG2DEVMAC(x);
 430     yy = YLOG2DEVMAC(y);
 431     ww = XLOG2DEVREL(width);
 432     hh = YLOG2DEVREL(height);
 433     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 434     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 435     if( m_clipping )
 436     {
 437         m_clipX1 = wxMax( m_clipX1 , xx );
 438         m_clipY1 = wxMax( m_clipY1 , yy );
 439         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 440         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 441     }
 442     else
 443     {
 444         m_clipping = true;
 445         m_clipX1 = xx;
 446         m_clipY1 = yy;
 447         m_clipX2 = xx + ww;
 448         m_clipY2 = yy + hh;
 449     }
 450 }
 451
 452 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 453 {
 454     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 455     if (region.Empty())
 456     {
 457         DestroyClippingRegion();
 458         return;
 459     }
 460     wxMacFastPortSetter helper(this) ;
 461     wxCoord x, y, w, h;
 462     region.GetBox( x, y, w, h );
 463     wxCoord xx, yy, ww, hh;
 464     xx = XLOG2DEVMAC(x);
 465     yy = YLOG2DEVMAC(y);
 466     ww = XLOG2DEVREL(w);
 467     hh = YLOG2DEVREL(h);
 468     // if we have a scaling that we cannot map onto native regions
 469     // we must use the box
 470     if ( ww != w || hh != h )
 471     {
 472         wxDC::DoSetClippingRegion( x, y, w, h );
 473     }
 474     else
 475     {
 476         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 477         if ( xx != x || yy != y )
 478         {
 479             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 480         }
 481         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 482         if( m_clipping )
 483         {
 484             m_clipX1 = wxMax( m_clipX1 , xx );
 485             m_clipY1 = wxMax( m_clipY1 , yy );
 486             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 487             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 488         }
 489         else
 490         {
 491             m_clipping = true;
 492             m_clipX1 = xx;
 493             m_clipY1 = yy;
 494             m_clipX2 = xx + ww;
 495             m_clipY2 = yy + hh;
 496         }
 497     }
 498 }
 499
 500 void wxDC::DestroyClippingRegion()
 501 {
 502     wxMacFastPortSetter helper(this) ;
 503     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 504     ResetClipping();
 505 }
 506
 507 void wxDC::DoGetSizeMM( int* width, int* height ) const
 508 {
 509     int w = 0;
 510     int h = 0;
 511     GetSize( &w, &h );
 512     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 513     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 514 }
 515
 516 void wxDC::SetTextForeground( const wxColour &col )
 517 {
 518     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 519     m_textForegroundColour = col;
 520     m_macFontInstalled = false ;
 521 }
 522
 523 void wxDC::SetTextBackground( const wxColour &col )
 524 {
 525     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 526     m_textBackgroundColour = col;
 527     m_macFontInstalled = false ;
 528 }
 529
 530 void wxDC::SetMapMode( int mode )
 531 {
 532     switch (mode)
 533     {
 534     case wxMM_TWIPS:
 535         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 536         break;
 537     case wxMM_POINTS:
 538         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 539         break;
 540     case wxMM_METRIC:
 541         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 542         break;
 543     case wxMM_LOMETRIC:
 544         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 545         break;
 546     default:
 547     case wxMM_TEXT:
 548         SetLogicalScale( 1.0, 1.0 );
 549         break;
 550     }
 551     if (mode != wxMM_TEXT)
 552     {
 553         m_needComputeScaleX = true;
 554         m_needComputeScaleY = true;
 555     }
 556 }
 557
 558 void wxDC::SetUserScale( double x, double y )
 559 {
 560     // allow negative ? -> no
 561     m_userScaleX = x;
 562     m_userScaleY = y;
 563     ComputeScaleAndOrigin();
 564 }
 565
 566 void wxDC::SetLogicalScale( double x, double y )
 567 {
 568     // allow negative ?
 569     m_logicalScaleX = x;
 570     m_logicalScaleY = y;
 571     ComputeScaleAndOrigin();
 572 }
 573
 574 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 575 {
 576     m_logicalOriginX = x * m_signX;   // is this still correct ?
 577     m_logicalOriginY = y * m_signY;
 578     ComputeScaleAndOrigin();
 579 }
 580
 581 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 582 {
 583     m_externalDeviceOriginX = x;
 584     m_externalDeviceOriginY = y;
 585     ComputeScaleAndOrigin();
 586 }
 587
 588 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 589 {
 590     m_signX = (xLeftRight ?  1 : -1);
 591     m_signY = (yBottomUp  ? -1 :  1);
 592     ComputeScaleAndOrigin();
 593 }
 594
 595 wxSize wxDC::GetPPI() const
 596 {
 597     return wxSize(72, 72);
 598 }
 599
 600 int wxDC::GetDepth() const
 601 {
 602     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 603     {
 604         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 605     }
 606     return 1 ;
 607 }
 608
 609 void wxDC::ComputeScaleAndOrigin()
 610 {
 611     // CMB: copy scale to see if it changes
 612     double origScaleX = m_scaleX;
 613     double origScaleY = m_scaleY;
 614     m_scaleX = m_logicalScaleX * m_userScaleX;
 615     m_scaleY = m_logicalScaleY * m_userScaleY;
 616     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 617     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 618     // CMB: if scale has changed call SetPen to recalulate the line width
 619     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 620     {
 621         // this is a bit artificial, but we need to force wxDC to think
 622         // the pen has changed
 623         wxPen pen(GetPen());
 624         m_pen = wxNullPen;
 625         SetPen(pen);
 626     }
 627 }
 628
 629 void  wxDC::SetPalette( const wxPalette& palette )
 630 {
 631 }
 632
 633 void  wxDC::SetBackgroundMode( int mode )
 634 {
 635     m_backgroundMode = mode ;
 636 }
 637
 638 void  wxDC::SetFont( const wxFont &font )
 639 {
 640     m_font = font;
 641     m_macFontInstalled = false ;
 642 }
 643
 644 void  wxDC::SetPen( const wxPen &pen )
 645 {
 646     if ( m_pen == pen )
 647         return ;
 648     m_pen = pen;
 649     m_macPenInstalled = false ;
 650 }
 651
 652 void  wxDC::SetBrush( const wxBrush &brush )
 653 {
 654     if (m_brush == brush)
 655         return;
 656     m_brush = brush;
 657     m_macBrushInstalled = false ;
 658 }
 659
 660 void  wxDC::SetBackground( const wxBrush &brush )
 661 {
 662     if (m_backgroundBrush == brush)
 663         return;
 664     m_backgroundBrush = brush;
 665     if (!m_backgroundBrush.Ok())
 666         return;
 667     m_macBrushInstalled = false ;
 668 }
 669
 670 void  wxDC::SetLogicalFunction( int function )
 671 {
 672     if (m_logicalFunction == function)
 673         return;
 674     m_logicalFunction = function ;
 675     m_macFontInstalled = false ;
 676     m_macBrushInstalled = false ;
 677     m_macPenInstalled = false ;
 678 }
 679
 680 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 681                           const wxColour & col, int style);
 682
 683 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 684                        const wxColour& col, int style)
 685 {
 686     return wxDoFloodFill(this, x, y, col, style);
 687 }
 688
 689 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 690 {
 691     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 692     wxMacFastPortSetter helper(this) ;
 693     RGBColor colour;
 694     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 695     // Convert from Mac colour to wx
 696     col->Set( colour.red   >> 8,
 697         colour.green >> 8,
 698         colour.blue  >> 8);
 699     return true ;
 700 }
 701
 702 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 703 {
 704     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 705     wxMacFastPortSetter helper(this) ;
 706     if (m_pen.GetStyle() != wxTRANSPARENT)
 707     {
 708         MacInstallPen() ;
 709         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 710         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 711         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 712         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 713         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 714         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 715         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 716             (m_pen.GetWidth() <= 1))
 717         {
 718             // Implement LAST_NOT for MAC at least for
 719             // orthogonal lines. RR.
 720             if (xx1 == xx2)
 721             {
 722                 if (yy1 < yy2)
 723                     yy2--;
 724                 if (yy1 > yy2)
 725                     yy2++;
 726             }
 727             if (yy1 == yy2)
 728             {
 729                 if (xx1 < xx2)
 730                     xx2--;
 731                 if (xx1 > xx2)
 732                     xx2++;
 733             }
 734         }
 735         ::MoveTo(xx1, yy1);
 736         ::LineTo(xx2, yy2);
 737     }
 738 }
 739
 740 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 741 {
 742     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 743     wxMacFastPortSetter helper(this) ;
 744     if (m_pen.GetStyle() != wxTRANSPARENT)
 745     {
 746         int w = 0;
 747         int h = 0;
 748         GetSize( &w, &h );
 749         wxCoord xx = XLOG2DEVMAC(x);
 750         wxCoord yy = YLOG2DEVMAC(y);
 751         MacInstallPen();
 752         ::MoveTo( XLOG2DEVMAC(0), yy );
 753         ::LineTo( XLOG2DEVMAC(w), yy );
 754         ::MoveTo( xx, YLOG2DEVMAC(0) );
 755         ::LineTo( xx, YLOG2DEVMAC(h) );
 756         CalcBoundingBox(x, y);
 757         CalcBoundingBox(x+w, y+h);
 758     }
 759 }
 760
 761 /*
 762 * To draw arcs properly the angles need to be converted from the WX style:
 763 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 764 * a normal axis on paper).
 765 * TO
 766 * the Mac style:
 767 * Angles start on the +ve y axis and go clockwise.
 768 */
 769
 770 static double wxConvertWXangleToMACangle(double angle)
 771 {
 772     double newAngle = 90 - angle ;
 773     while ( newAngle > 360 ) newAngle -= 360 ;
 774     while ( newAngle < 0 ) newAngle += 360 ;
 775     return newAngle ;
 776 }
 777
 778 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 779                       wxCoord x2, wxCoord y2,
 780                       wxCoord xc, wxCoord yc )
 781 {
 782     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 783     wxMacFastPortSetter helper(this) ;
 784     wxCoord xx1 = XLOG2DEVMAC(x1);
 785     wxCoord yy1 = YLOG2DEVMAC(y1);
 786     wxCoord xx2 = XLOG2DEVMAC(x2);
 787     wxCoord yy2 = YLOG2DEVMAC(y2);
 788     wxCoord xxc = XLOG2DEVMAC(xc);
 789     wxCoord yyc = YLOG2DEVMAC(yc);
 790     double dx = xx1 - xxc;
 791     double dy = yy1 - yyc;
 792     double radius = sqrt((double)(dx*dx+dy*dy));
 793     wxCoord rad   = (wxCoord)radius;
 794     double radius1, radius2;
 795     if (xx1 == xx2 && yy1 == yy2)
 796     {
 797         radius1 = 0.0;
 798         radius2 = 360.0;
 799     }
 800     else if (radius == 0.0)
 801     {
 802         radius1 = radius2 = 0.0;
 803     }
 804     else
 805     {
 806         radius1 = (xx1 - xxc == 0) ?
 807             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 808         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 809         radius2 = (xx2 - xxc == 0) ?
 810             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 811         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 812     }
 813     wxCoord alpha2 = wxCoord(radius2 - radius1);
 814     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 815     while( alpha2 < 0 ) alpha2 += 360 ;
 816     alpha2 = -alpha2 ;
 817     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 818     if(m_brush.GetStyle() != wxTRANSPARENT) {
 819         MacInstallBrush();
 820         PaintArc(&r, alpha1, alpha2);
 821     }
 822     if(m_pen.GetStyle() != wxTRANSPARENT) {
 823         MacInstallPen();
 824         FrameArc(&r, alpha1, alpha2);
 825     }
 826 }
 827
 828 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 829                               double sa, double ea )
 830 {
 831     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 832     wxMacFastPortSetter helper(this) ;
 833     Rect r;
 834     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 835     // we have to make sure that the filling is always counter-clockwise
 836     if ( angle > 0 )
 837         angle -= 360 ;
 838     wxCoord xx = XLOG2DEVMAC(x);
 839     wxCoord yy = YLOG2DEVMAC(y);
 840     wxCoord ww = m_signX * XLOG2DEVREL(w);
 841     wxCoord hh = m_signY * YLOG2DEVREL(h);
 842     // handle -ve width and/or height
 843     if (ww < 0) { ww = -ww; xx = xx - ww; }
 844     if (hh < 0) { hh = -hh; yy = yy - hh; }
 845     sa = wxConvertWXangleToMACangle(sa);
 846     r.top    = yy;
 847     r.left   = xx;
 848     r.bottom = yy + hh;
 849     r.right  = xx + ww;
 850     if(m_brush.GetStyle() != wxTRANSPARENT) {
 851         MacInstallBrush();
 852         PaintArc(&r, (short)sa, (short)angle);
 853     }
 854     if(m_pen.GetStyle() != wxTRANSPARENT) {
 855         MacInstallPen();
 856         FrameArc(&r, (short)sa, (short)angle);
 857     }
 858 }
 859
 860 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 861 {
 862     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 863     wxMacFastPortSetter helper(this) ;
 864     if (m_pen.GetStyle() != wxTRANSPARENT)
 865     {
 866         wxCoord xx1 = XLOG2DEVMAC(x);
 867         wxCoord yy1 = YLOG2DEVMAC(y);
 868         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 869         ::SetCPixel( xx1,yy1,&pencolor) ;
 870         CalcBoundingBox(x, y);
 871     }
 872 }
 873
 874 void  wxDC::DoDrawLines(int n, wxPoint points[],
 875                         wxCoord xoffset, wxCoord yoffset)
 876 {
 877     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 878     wxMacFastPortSetter helper(this) ;
 879     if (m_pen.GetStyle() == wxTRANSPARENT)
 880         return;
 881     MacInstallPen() ;
 882     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 883     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 884     wxCoord x1, x2 , y1 , y2 ;
 885     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 886     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 887     ::MoveTo(x1 - offset, y1 - offset );
 888     for (int i = 0; i < n-1; i++)
 889     {
 890         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 891         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 892         ::LineTo( x2 - offset, y2 - offset );
 893     }
 894 }
 895
 896 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 897                           wxCoord xoffset, wxCoord yoffset,
 898                           int fillStyle )
 899 {
 900     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 901     wxMacFastPortSetter helper(this) ;
 902     wxCoord x1, x2 , y1 , y2 ;
 903     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 904         return ;
 905     PolyHandle polygon = OpenPoly();
 906     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 907     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 908     ::MoveTo(x1,y1);
 909     for (int i = 1; i < n; i++)
 910     {
 911         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 912         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 913         ::LineTo(x2, y2);
 914     }
 915     // close the polyline if necessary
 916     if ( x1 != x2 || y1 != y2 )
 917     {
 918         ::LineTo(x1,y1 ) ;
 919     }
 920     ClosePoly();
 921     if (m_brush.GetStyle() != wxTRANSPARENT)
 922     {
 923         MacInstallBrush();
 924         ::PaintPoly( polygon );
 925     }
 926     if (m_pen.GetStyle() != wxTRANSPARENT)
 927     {
 928         MacInstallPen() ;
 929         ::FramePoly( polygon ) ;
 930     }
 931     KillPoly( polygon );
 932 }
 933
 934 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 935 {
 936     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 937     wxMacFastPortSetter helper(this) ;
 938     wxCoord xx = XLOG2DEVMAC(x);
 939     wxCoord yy = YLOG2DEVMAC(y);
 940     wxCoord ww = m_signX * XLOG2DEVREL(width);
 941     wxCoord hh = m_signY * YLOG2DEVREL(height);
 942     // CMB: draw nothing if transformed w or h is 0
 943     if (ww == 0 || hh == 0)
 944         return;
 945     // CMB: handle -ve width and/or height
 946     if (ww < 0)
 947     {
 948         ww = -ww;
 949         xx = xx - ww;
 950     }
 951     if (hh < 0)
 952     {
 953         hh = -hh;
 954         yy = yy - hh;
 955     }
 956     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 957     if (m_brush.GetStyle() != wxTRANSPARENT)
 958     {
 959         MacInstallBrush() ;
 960         ::PaintRect( &rect ) ;
 961     }
 962     if (m_pen.GetStyle() != wxTRANSPARENT)
 963     {
 964         MacInstallPen() ;
 965         ::FrameRect( &rect ) ;
 966     }
 967 }
 968
 969 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 970                                    wxCoord width, wxCoord height,
 971                                    double radius)
 972 {
 973     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 974     wxMacFastPortSetter helper(this) ;
 975     if (radius < 0.0)
 976         radius = - radius * ((width < height) ? width : height);
 977     wxCoord xx = XLOG2DEVMAC(x);
 978     wxCoord yy = YLOG2DEVMAC(y);
 979     wxCoord ww = m_signX * XLOG2DEVREL(width);
 980     wxCoord hh = m_signY * YLOG2DEVREL(height);
 981     // CMB: draw nothing if transformed w or h is 0
 982     if (ww == 0 || hh == 0)
 983         return;
 984     // CMB: handle -ve width and/or height
 985     if (ww < 0)
 986     {
 987         ww = -ww;
 988         xx = xx - ww;
 989     }
 990     if (hh < 0)
 991     {
 992         hh = -hh;
 993         yy = yy - hh;
 994     }
 995     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 996     if (m_brush.GetStyle() != wxTRANSPARENT)
 997     {
 998         MacInstallBrush() ;
 999         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1000     }
1001     if (m_pen.GetStyle() != wxTRANSPARENT)
1002     {
1003         MacInstallPen() ;
1004         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1005     }
1006 }
1007
1008 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1009 {
1010     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1011     wxMacFastPortSetter helper(this) ;
1012     wxCoord xx = XLOG2DEVMAC(x);
1013     wxCoord yy = YLOG2DEVMAC(y);
1014     wxCoord ww = m_signX * XLOG2DEVREL(width);
1015     wxCoord hh = m_signY * YLOG2DEVREL(height);
1016     // CMB: draw nothing if transformed w or h is 0
1017     if (ww == 0 || hh == 0)
1018         return;
1019     // CMB: handle -ve width and/or height
1020     if (ww < 0)
1021     {
1022         ww = -ww;
1023         xx = xx - ww;
1024     }
1025     if (hh < 0)
1026     {
1027         hh = -hh;
1028         yy = yy - hh;
1029     }
1030     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1031     if (m_brush.GetStyle() != wxTRANSPARENT)
1032     {
1033         MacInstallBrush() ;
1034         ::PaintOval( &rect ) ;
1035     }
1036     if (m_pen.GetStyle() != wxTRANSPARENT)
1037     {
1038         MacInstallPen() ;
1039         ::FrameOval( &rect ) ;
1040     }
1041 }
1042
1043 bool  wxDC::CanDrawBitmap(void) const
1044 {
1045     return true ;
1046 }
1047
1048 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1049                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1050                    wxCoord xsrcMask,  wxCoord ysrcMask )
1051 {
1052     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1053     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1054     if ( logical_func == wxNO_OP )
1055         return true ;
1056     if (xsrcMask == -1 && ysrcMask == -1)
1057     {
1058         xsrcMask = xsrc; ysrcMask = ysrc;
1059     }
1060     // correct the parameter in case this dc does not have a mask at all
1061     if ( useMask && !source->m_macMask )
1062         useMask = false ;
1063     Rect srcrect , dstrect ;
1064     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1065     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1066     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1067     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1068     dstrect.top = YLOG2DEVMAC(ydest) ;
1069     dstrect.left = XLOG2DEVMAC(xdest) ;
1070     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1071     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1072     short mode = kUnsupportedMode ;
1073     bool invertDestinationFirst = false ;
1074     switch ( logical_func )
1075     {
1076     case wxAND:        // src AND dst
1077         mode = adMin ; // ok
1078         break ;
1079     case wxAND_INVERT: // (NOT src) AND dst
1080         mode = notSrcOr  ; // ok
1081         break ;
1082     case wxAND_REVERSE:// src AND (NOT dst)
1083         invertDestinationFirst = true ;
1084         mode = srcOr ;
1085         break ;
1086     case wxCLEAR:      // 0
1087         mode = kEmulatedMode ;
1088         break ;
1089     case wxCOPY:       // src
1090         mode = srcCopy ; // ok
1091         break ;
1092     case wxEQUIV:      // (NOT src) XOR dst
1093         mode = srcXor ; // ok
1094         break ;
1095     case wxINVERT:     // NOT dst
1096         mode = kEmulatedMode ; //or hilite ;
1097         break ;
1098     case wxNAND:       // (NOT src) OR (NOT dst)
1099         invertDestinationFirst = true ;
1100         mode = srcBic ;
1101         break ;
1102     case wxNOR:        // (NOT src) AND (NOT dst)
1103         invertDestinationFirst = true ;
1104         mode = notSrcOr ;
1105         break ;
1106     case wxNO_OP:      // dst
1107         mode = kEmulatedMode ; // this has already been handled upon entry
1108         break ;
1109     case wxOR:         // src OR dst
1110         mode = notSrcBic ;
1111         break ;
1112     case wxOR_INVERT:  // (NOT src) OR dst
1113         mode = srcBic ;
1114         break ;
1115     case wxOR_REVERSE: // src OR (NOT dst)
1116         invertDestinationFirst = true ;
1117         mode = notSrcBic ;
1118         break ;
1119     case wxSET:        // 1
1120         mode = kEmulatedMode ;
1121         break ;
1122     case wxSRC_INVERT: // (NOT src)
1123         mode = notSrcCopy ; // ok
1124         break ;
1125     case wxXOR:        // src XOR dst
1126         mode = notSrcXor ; // ok
1127         break ;
1128     default :
1129         break ;
1130     }
1131     if ( mode == kUnsupportedMode )
1132     {
1133         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1134         return false ;
1135     }
1136     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1137     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1138     if ( LockPixels(bmappixels) )
1139     {
1140         wxMacFastPortSetter helper(this) ;
1141         if ( source->GetDepth() == 1 )
1142         {
1143             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1144             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1145         }
1146         else
1147         {
1148             // the modes need this, otherwise we'll end up having really nice colors...
1149             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1150             RGBColor    black = { 0,0,0} ;
1151             RGBForeColor( &black ) ;
1152             RGBBackColor( &white ) ;
1153         }
1154         if ( useMask && source->m_macMask )
1155         {
1156             if ( mode == srcCopy )
1157             {
1158                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1159                 {
1160                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1161                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1162                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1163                         &srcrect, &srcrect , &dstrect ) ;
1164                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1165                 }
1166             }
1167             else
1168             {
1169                 RgnHandle clipRgn = NewRgn() ;
1170                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1171                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1172                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1173                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1174                 if ( mode == kEmulatedMode )
1175                 {
1176                     Pattern pat ;
1177                     ::PenPat(GetQDGlobalsBlack(&pat));
1178                     if ( logical_func == wxSET )
1179                     {
1180                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1181                         ::RGBForeColor( &col  ) ;
1182                         ::PaintRgn( clipRgn ) ;
1183                     }
1184                     else if ( logical_func == wxCLEAR )
1185                     {
1186                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1187                         ::RGBForeColor( &col  ) ;
1188                         ::PaintRgn( clipRgn ) ;
1189                     }
1190                     else if ( logical_func == wxINVERT )
1191                     {
1192                         MacInvertRgn( clipRgn ) ;
1193                     }
1194                     else
1195                     {
1196                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1197                         {
1198                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1199                             {
1200                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1201                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1202                                 if ( PtInRgn( dstPoint , clipRgn ) )
1203                                 {
1204                                     RGBColor srcColor ;
1205                                     RGBColor dstColor ;
1206                                     SetPort( (GrafPtr) sourcePort ) ;
1207                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1208                                     SetPort( (GrafPtr) m_macPort ) ;
1209                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1210                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1211                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1212                                 }
1213                             }
1214                         }
1215                     }
1216                 }
1217                 else
1218                 {
1219                     if ( invertDestinationFirst )
1220                     {
1221                         MacInvertRgn( clipRgn ) ;
1222                     }
1223                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1224                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1225                         &srcrect, &dstrect, mode, clipRgn ) ;
1226                 }
1227                 DisposeRgn( clipRgn ) ;
1228             }
1229         }
1230         else
1231         {
1232             RgnHandle clipRgn = NewRgn() ;
1233             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1234             if ( mode == kEmulatedMode )
1235             {
1236                 Pattern pat ;
1237                 ::PenPat(GetQDGlobalsBlack(&pat));
1238                 if ( logical_func == wxSET )
1239                 {
1240                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1241                     ::RGBForeColor( &col  ) ;
1242                     ::PaintRgn( clipRgn ) ;
1243                 }
1244                 else if ( logical_func == wxCLEAR )
1245                 {
1246                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1247                     ::RGBForeColor( &col  ) ;
1248                     ::PaintRgn( clipRgn ) ;
1249                 }
1250                 else if ( logical_func == wxINVERT )
1251                 {
1252                     MacInvertRgn( clipRgn ) ;
1253                 }
1254                 else
1255                 {
1256                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1257                     {
1258                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1259                         {
1260                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1261                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1262                             {
1263                                 RGBColor srcColor ;
1264                                 RGBColor dstColor ;
1265                                 SetPort( (GrafPtr) sourcePort ) ;
1266                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1267                                 SetPort( (GrafPtr) m_macPort ) ;
1268                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1269                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1270                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1271                             }
1272                         }
1273                     }
1274                 }
1275             }
1276             else
1277             {
1278                 if ( invertDestinationFirst )
1279                 {
1280                     MacInvertRgn( clipRgn ) ;
1281                 }
1282                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1283                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1284                     &srcrect, &dstrect, mode, NULL ) ;
1285             }
1286             DisposeRgn( clipRgn ) ;
1287         }
1288         UnlockPixels( bmappixels ) ;
1289     }
1290     m_macPenInstalled = false ;
1291     m_macBrushInstalled = false ;
1292     m_macFontInstalled = false ;
1293     return true;
1294 }
1295
1296 #ifndef FixedToInt
1297 // as macro in FixMath.h for 10.3
1298 inline Fixed    IntToFixed( int inInt )
1299 {
1300     return (((SInt32) inInt) << 16);
1301 }
1302
1303 inline int    FixedToInt( Fixed inFixed )
1304 {
1305     return (((SInt32) inFixed) >> 16);
1306 }
1307 #endif
1308
1309 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1310                               double angle)
1311 {
1312     // TODO support text background color (only possible by hand, ATSUI does not support it)
1313     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1314
1315     if ( str.Length() == 0 )
1316         return ;
1317
1318     wxMacFastPortSetter helper(this) ;
1319     MacInstallFont() ;
1320
1321     if ( 0 )
1322     {
1323         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1324         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1325         m_macAliasWasEnabled = true ;
1326     }
1327     OSStatus status = noErr ;
1328     ATSUTextLayout atsuLayout ;
1329     UniCharCount chars = str.Length() ;
1330     UniChar* ubuf = NULL ;
1331 #if SIZEOF_WCHAR_T == 4
1332     wxMBConvUTF16BE converter ;
1333 #if wxUSE_UNICODE
1334     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1335     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1336     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1337 #else
1338     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1339     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1340     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1341     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1342 #endif
1343     chars = unicharlen / 2 ;
1344 #else
1345 #if wxUSE_UNICODE
1346     ubuf = (UniChar*) str.wc_str() ;
1347 #else
1348     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1349     chars = wxWcslen( wchar.data() ) ;
1350     ubuf = (UniChar*) wchar.data() ;
1351 #endif
1352 #endif
1353
1354     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1355         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1356
1357     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1358     int iAngle = int( angle );
1359     int drawX = XLOG2DEVMAC(x) ;
1360     int drawY = YLOG2DEVMAC(y) ;
1361
1362     ATSUTextMeasurement textBefore ;
1363     ATSUTextMeasurement textAfter ;
1364     ATSUTextMeasurement ascent ;
1365     ATSUTextMeasurement descent ;
1366
1367
1368     if ( abs(iAngle) > 0 )
1369     {
1370         Fixed atsuAngle = IntToFixed( iAngle ) ;
1371         ATSUAttributeTag atsuTags[] =
1372         {
1373             kATSULineRotationTag ,
1374         } ;
1375         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1376         {
1377             sizeof( Fixed ) ,
1378         } ;
1379         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1380         {
1381             &atsuAngle ,
1382         } ;
1383         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1384             atsuTags, atsuSizes, atsuValues ) ;
1385     }
1386     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1387         &textBefore , &textAfter, &ascent , &descent );
1388
1389     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1390     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1391     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1392         IntToFixed(drawX) , IntToFixed(drawY) );
1393     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1394     Rect rect ;
1395     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1396         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1397     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1398     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1399     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1400     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1401     ::ATSUDisposeTextLayout(atsuLayout);
1402 #if SIZEOF_WCHAR_T == 4
1403     free( ubuf ) ;
1404 #endif
1405 }
1406
1407 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1408 {
1409     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1410
1411     wxMacFastPortSetter helper(this) ;
1412     long xx = XLOG2DEVMAC(x);
1413     long yy = YLOG2DEVMAC(y);
1414 #if TARGET_CARBON
1415     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1416     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1417         useDrawThemeText = false ;
1418 #endif
1419     MacInstallFont() ;
1420
1421     FontInfo fi ;
1422     ::GetFontInfo( &fi ) ;
1423 #if TARGET_CARBON
1424     if ( !useDrawThemeText )
1425 #endif
1426         yy += fi.ascent ;
1427     ::MoveTo( xx , yy );
1428     if (  m_backgroundMode == wxTRANSPARENT )
1429     {
1430         ::TextMode( srcOr) ;
1431     }
1432     else
1433     {
1434         ::TextMode( srcCopy ) ;
1435     }
1436     int line = 0 ;
1437     {
1438         wxString linetext = strtext ;
1439 #if TARGET_CARBON
1440         if ( useDrawThemeText )
1441         {
1442             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1443             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1444
1445             if ( m_backgroundMode != wxTRANSPARENT )
1446             {
1447                 Point bounds={0,0} ;
1448                 Rect background = frame ;
1449                 SInt16 baseline ;
1450                 ::GetThemeTextDimensions( mString,
1451                     m_font.MacGetThemeFontID() ,
1452                     kThemeStateActive,
1453                     false,
1454                     &bounds,
1455                     &baseline );
1456                 background.right = background.left + bounds.h ;
1457                 background.bottom = background.top + bounds.v ;
1458                 ::EraseRect( &background ) ;
1459             }
1460             ::DrawThemeTextBox( mString,
1461                 m_font.MacGetThemeFontID() ,
1462                 kThemeStateActive,
1463                 false,
1464                 &frame,
1465                 teJustLeft,
1466                 nil );
1467         }
1468         else
1469 #endif
1470         {
1471             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1472             ::DrawText( text , 0 , strlen(text) ) ;
1473          }
1474     }
1475     ::TextMode( srcOr ) ;
1476 }
1477
1478 bool  wxDC::CanGetTextExtent() const
1479 {
1480     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1481     return true ;
1482 }
1483
1484 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1485                             wxCoord *descent, wxCoord *externalLeading ,
1486                             wxFont *theFont ) const
1487 {
1488     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1489     wxMacFastPortSetter helper(this) ;
1490     wxFont formerFont = m_font ;
1491     if ( theFont )
1492     {
1493         // work around the constness
1494         *((wxFont*)(&m_font)) = *theFont ;
1495     }
1496     MacInstallFont() ;
1497     FontInfo fi ;
1498     ::GetFontInfo( &fi ) ;
1499 #if TARGET_CARBON
1500     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1501     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1502         useGetThemeText = false ;
1503 #endif
1504     if ( height )
1505         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1506     if ( descent )
1507         *descent =YDEV2LOGREL( fi.descent );
1508     if ( externalLeading )
1509         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1510
1511     int curwidth = 0 ;
1512     if ( width )
1513     {
1514         *width = 0 ;
1515         wxString linetext = strtext ;
1516
1517         if ( useGetThemeText )
1518         {
1519             Point bounds={0,0} ;
1520             SInt16 baseline ;
1521             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1522             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1523             ::GetThemeTextDimensions( mString,
1524                 themeFont ,
1525                 kThemeStateActive,
1526                 false,
1527                 &bounds,
1528                 &baseline );
1529             curwidth = bounds.h ;
1530         }
1531         else
1532         {
1533             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1534             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1535         }
1536         if ( curwidth > *width )
1537             *width = XDEV2LOGREL( curwidth ) ;
1538     }
1539     if ( theFont )
1540     {
1541         // work around the constness
1542         *((wxFont*)(&m_font)) = formerFont ;
1543         m_macFontInstalled = false ;
1544     }
1545 }
1546
1547
1548 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1549 {
1550     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1551
1552     widths.Empty();
1553     widths.Add(0, text.Length());
1554
1555     if (text.Length() == 0)
1556         return false;
1557
1558     wxMacFastPortSetter helper(this) ;
1559     MacInstallFont() ;
1560 #if TARGET_CARBON
1561     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1562     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1563         useGetThemeText = false ;
1564
1565     if ( useGetThemeText )
1566     {
1567         // If anybody knows how to do this more efficiently yet still handle
1568         // the fractional glyph widths that may be present when using AA
1569         // fonts, please change it.  Currently it is measuring from the
1570         // begining of the string for each succeding substring, which is much
1571         // slower than this should be.
1572         for (size_t i=0; i<text.Length(); i++)
1573         {
1574             wxString str(text.Left(i+1));
1575             Point bounds = {0,0};
1576             SInt16 baseline ;
1577             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1578             ::GetThemeTextDimensions( mString,
1579                                       m_font.MacGetThemeFontID(),
1580                                       kThemeStateActive,
1581                                       false,
1582                                       &bounds,
1583                                       &baseline );
1584             widths[i] = XDEV2LOGREL(bounds.h);
1585         }
1586     }
1587     else
1588 #endif
1589     {
1590         wxCharBuffer buff = text.mb_str(wxConvLocal);
1591         size_t len = strlen(buff);
1592         short* measurements = new short[len+1];
1593         MeasureText(len, buff.data(), measurements);
1594
1595         // Copy to widths, starting at measurements[1]
1596         // NOTE: this doesn't take into account any multi-byte characters
1597         // in buff, it probabkly should...
1598         for (size_t i=0; i<text.Length(); i++)
1599             widths[i] = XDEV2LOGREL(measurements[i+1]);
1600
1601         delete [] measurements;
1602     }
1603
1604     return true;
1605 }
1606
1607
1608
1609 wxCoord   wxDC::GetCharWidth(void) const
1610 {
1611     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1612     wxMacFastPortSetter helper(this) ;
1613     MacInstallFont() ;
1614     int width = 0 ;
1615 #if TARGET_CARBON
1616     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1617     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1618         useGetThemeText = false ;
1619 #endif
1620     char text[] = "g" ;
1621 #if TARGET_CARBON
1622     if ( useGetThemeText )
1623     {
1624         Point bounds={0,0} ;
1625         SInt16 baseline ;
1626         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1627         ::GetThemeTextDimensions( mString,
1628             m_font.MacGetThemeFontID(),
1629             kThemeStateActive,
1630             false,
1631             &bounds,
1632             &baseline );
1633         CFRelease( mString ) ;
1634         width = bounds.h ;
1635     }
1636     else
1637 #endif
1638     {
1639         width = ::TextWidth( text , 0 , 1 ) ;
1640     }
1641     return YDEV2LOGREL(width) ;
1642 }
1643
1644 wxCoord   wxDC::GetCharHeight(void) const
1645 {
1646     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1647     wxMacFastPortSetter helper(this) ;
1648     MacInstallFont() ;
1649     FontInfo fi ;
1650     ::GetFontInfo( &fi ) ;
1651     return YDEV2LOGREL( fi.descent + fi.ascent );
1652 }
1653
1654 void  wxDC::Clear(void)
1655 {
1656     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1657     wxMacFastPortSetter helper(this) ;
1658     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1659     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1660     {
1661         ::PenNormal() ;
1662         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1663         ::EraseRect( &rect ) ;
1664     }
1665 }
1666
1667 void wxDC::MacInstallFont() const
1668 {
1669     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1670     //    if ( m_macFontInstalled )
1671     //        return ;
1672     Pattern blackColor ;
1673     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1674     if ( m_backgroundMode != wxTRANSPARENT )
1675     {
1676         Pattern whiteColor ;
1677         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1678     }
1679     if ( m_font.Ok() )
1680     {
1681         ::TextFont( m_font.MacGetFontNum() ) ;
1682         ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1683         ::TextFace( m_font.MacGetFontStyle() ) ;
1684         m_macFontInstalled = true ;
1685         m_macBrushInstalled = false ;
1686         m_macPenInstalled = false ;
1687         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1688         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1689         ::RGBForeColor( &forecolor );
1690         ::RGBBackColor( &backcolor );
1691     }
1692     else
1693     {
1694         FontFamilyID fontId ;
1695         Str255 fontName ;
1696         SInt16 fontSize ;
1697         Style fontStyle ;
1698         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1699         GetFNum( fontName, &fontId );
1700         ::TextFont( fontId ) ;
1701         ::TextSize( short(m_scaleY * fontSize) ) ;
1702         ::TextFace( fontStyle ) ;
1703         // todo reset after spacing changes - or store the current spacing somewhere
1704         m_macFontInstalled = true ;
1705         m_macBrushInstalled = false ;
1706         m_macPenInstalled = false ;
1707         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1708         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1709         ::RGBForeColor( &forecolor );
1710         ::RGBBackColor( &backcolor );
1711     }
1712     short mode = patCopy ;
1713     // todo :
1714     switch( m_logicalFunction )
1715     {
1716     case wxCOPY:       // src
1717         mode = patCopy ;
1718         break ;
1719     case wxINVERT:     // NOT dst
1720         ::PenPat(GetQDGlobalsBlack(&blackColor));
1721         mode = patXor ;
1722         break ;
1723     case wxXOR:        // src XOR dst
1724         mode = patXor ;
1725         break ;
1726     case wxOR_REVERSE: // src OR (NOT dst)
1727         mode = notPatOr ;
1728         break ;
1729     case wxSRC_INVERT: // (NOT src)
1730         mode = notPatCopy ;
1731         break ;
1732     case wxAND: // src AND dst
1733         mode = adMin ;
1734         break ;
1735         // unsupported TODO
1736     case wxCLEAR:      // 0
1737     case wxAND_REVERSE:// src AND (NOT dst)
1738     case wxAND_INVERT: // (NOT src) AND dst
1739     case wxNO_OP:      // dst
1740     case wxNOR:        // (NOT src) AND (NOT dst)
1741     case wxEQUIV:      // (NOT src) XOR dst
1742     case wxOR_INVERT:  // (NOT src) OR dst
1743     case wxNAND:       // (NOT src) OR (NOT dst)
1744     case wxOR:         // src OR dst
1745     case wxSET:        // 1
1746         //        case wxSRC_OR:     // source _bitmap_ OR destination
1747         //        case wxSRC_AND:     // source _bitmap_ AND destination
1748         break ;
1749     }
1750     ::PenMode( mode ) ;
1751     OSStatus status = noErr ;
1752     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1753     Style qdStyle = m_font.MacGetATSUAdditionalQDStyles() ;
1754     ATSUFontID    atsuFont = m_font.MacGetATSUFontID() ;
1755     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1756     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1757     ATSUAttributeTag atsuTags[] =
1758     {
1759         kATSUFontTag ,
1760             kATSUSizeTag ,
1761             //        kATSUColorTag ,
1762             //        kATSUBaselineClassTag ,
1763             kATSUVerticalCharacterTag,
1764             kATSUQDBoldfaceTag ,
1765             kATSUQDItalicTag ,
1766             kATSUQDUnderlineTag ,
1767             kATSUQDCondensedTag ,
1768             kATSUQDExtendedTag ,
1769     } ;
1770     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1771     {
1772         sizeof( ATSUFontID ) ,
1773             sizeof( Fixed ) ,
1774             //        sizeof( RGBColor ) ,
1775             //        sizeof( BslnBaselineClass ) ,
1776             sizeof( ATSUVerticalCharacterType),
1777             sizeof( Boolean ) ,
1778             sizeof( Boolean ) ,
1779             sizeof( Boolean ) ,
1780             sizeof( Boolean ) ,
1781             sizeof( Boolean ) ,
1782     } ;
1783     Boolean kTrue = true ;
1784     Boolean kFalse = false ;
1785     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1786     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1787     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1788     {
1789         &atsuFont ,
1790             &atsuSize ,
1791             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1792             //        &kBaselineDefault ,
1793             &kHorizontal,
1794             (qdStyle & bold) ? &kTrue : &kFalse ,
1795             (qdStyle & italic) ? &kTrue : &kFalse ,
1796             (qdStyle & underline) ? &kTrue : &kFalse ,
1797             (qdStyle & condense) ? &kTrue : &kFalse ,
1798             (qdStyle & extend) ? &kTrue : &kFalse ,
1799     } ;
1800     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1801         atsuTags, atsuSizes, atsuValues);
1802     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1803 }
1804
1805 Pattern gPatterns[] =
1806 {   // hatch patterns
1807     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1808     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1809     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1810     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1811     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1812     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1813     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1814     // dash patterns
1815     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1816     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1817     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1818     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1819 } ;
1820
1821 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1822 {
1823     int index = 0;  // solid pattern by default
1824     switch(penStyle)
1825     {
1826         // hatches
1827         case wxBDIAGONAL_HATCH:     index = 1; break;
1828         case wxFDIAGONAL_HATCH:     index = 2; break;
1829         case wxCROSS_HATCH:         index = 3; break;
1830         case wxHORIZONTAL_HATCH:    index = 4; break;
1831         case wxVERTICAL_HATCH:      index = 5; break;
1832         case wxCROSSDIAG_HATCH:     index = 6; break;
1833         // dashes
1834         case wxDOT:                 index = 7; break;
1835         case wxLONG_DASH:           index = 8; break;
1836         case wxSHORT_DASH:          index = 9; break;
1837         case wxDOT_DASH:            index = 10; break;
1838     }
1839     *pattern = gPatterns[index];
1840 }
1841
1842 void wxDC::MacInstallPen() const
1843 {
1844     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1845     //Pattern     blackColor;
1846     //    if ( m_macPenInstalled )
1847     //        return ;
1848     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1849     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1850     ::RGBForeColor( &forecolor );
1851     ::RGBBackColor( &backcolor );
1852     ::PenNormal() ;
1853     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1854     // null means only one pixel, at whatever resolution
1855     if ( penWidth == 0 )
1856         penWidth = 1 ;
1857     ::PenSize(penWidth, penWidth);
1858
1859     int penStyle = m_pen.GetStyle();
1860     Pattern pat;
1861     if (penStyle == wxUSER_DASH)
1862     {
1863         // FIXME: there should be exactly 8 items in the dash
1864         wxDash* dash ;
1865         int number = m_pen.GetDashes(&dash) ;
1866         int index = 0;
1867         for ( int i = 0 ; i < 8 ; ++i )
1868         {
1869             pat.pat[i] = dash[index] ;
1870             if (index < number - 1)
1871                 index++;
1872         }
1873     }
1874     else
1875     {
1876         wxMacGetPattern(penStyle, &pat);
1877     }
1878     ::PenPat(&pat);
1879
1880     short mode = patCopy ;
1881     // todo :
1882     switch( m_logicalFunction )
1883     {
1884     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1885         mode = patOr ;
1886         break ;
1887     case wxINVERT:     // NOT dst
1888         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1889         mode = patXor ;
1890         break ;
1891     case wxXOR:        // src XOR dst
1892         mode = patXor ;
1893         break ;
1894     case wxOR_REVERSE: // src OR (NOT dst)
1895         mode = notPatOr ;
1896         break ;
1897     case wxSRC_INVERT: // (NOT src)
1898         mode = notPatCopy ;
1899         break ;
1900     case wxAND: // src AND dst
1901         mode = adMin ;
1902         break ;
1903         // unsupported TODO
1904     case wxCLEAR:      // 0
1905     case wxAND_REVERSE:// src AND (NOT dst)
1906     case wxAND_INVERT: // (NOT src) AND dst
1907     case wxNO_OP:      // dst
1908     case wxNOR:        // (NOT src) AND (NOT dst)
1909     case wxEQUIV:      // (NOT src) XOR dst
1910     case wxOR_INVERT:  // (NOT src) OR dst
1911     case wxNAND:       // (NOT src) OR (NOT dst)
1912     case wxOR:         // src OR dst
1913     case wxSET:        // 1
1914         //        case wxSRC_OR:     // source _bitmap_ OR destination
1915         //        case wxSRC_AND:     // source _bitmap_ AND destination
1916         break ;
1917     }
1918     ::PenMode( mode ) ;
1919     m_macPenInstalled = true ;
1920     m_macBrushInstalled = false ;
1921     m_macFontInstalled = false ;
1922 }
1923
1924 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1925 {
1926     Pattern whiteColor ;
1927     if ( background.Ok() )
1928     {
1929         switch( background.MacGetBrushKind() )
1930         {
1931             case kwxMacBrushTheme :
1932             {
1933                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1934                 break ;
1935             }
1936             case kwxMacBrushThemeBackground :
1937             {
1938                 Rect extent ;
1939                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1940                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1941                 break ;
1942             }
1943             case kwxMacBrushColour :
1944             {
1945                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1946                 int brushStyle = background.GetStyle();
1947                 if (brushStyle == wxSOLID)
1948                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1949                 else if (background.IsHatch())
1950                 {
1951                     Pattern pat ;
1952                     wxMacGetPattern(brushStyle, &pat);
1953                     ::BackPat(&pat);
1954                 }
1955                 else
1956                 {
1957                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1958                 }
1959                 break ;
1960             }
1961         }
1962     }
1963 }
1964
1965 void wxDC::MacInstallBrush() const
1966 {
1967     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1968     Pattern     blackColor ;
1969     //    if ( m_macBrushInstalled )
1970     //        return ;
1971     // foreground
1972     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1973     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1974     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1975     int brushStyle = m_brush.GetStyle();
1976     if (brushStyle == wxSOLID)
1977     {
1978         ::PenPat(GetQDGlobalsBlack(&blackColor));
1979     }
1980     else if (m_brush.IsHatch())
1981     {
1982         Pattern pat ;
1983         wxMacGetPattern(brushStyle, &pat);
1984         ::PenPat(&pat);
1985     }
1986     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1987     {
1988         // we force this in order to be compliant with wxMSW
1989         backgroundTransparent = false ;
1990         // for these the text fore (and back for MASK_OPAQUE) colors are used
1991         wxBitmap* bitmap = m_brush.GetStipple() ;
1992         int width = bitmap->GetWidth() ;
1993         int height = bitmap->GetHeight() ;
1994         GWorldPtr gw = NULL ;
1995         if ( m_brush.GetStyle() == wxSTIPPLE )
1996             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
1997         else
1998             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
1999         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2000         LockPixels( gwpixmaphandle ) ;
2001         bool isMonochrome = !IsPortColor( gw ) ;
2002         if ( !isMonochrome )
2003         {
2004             if ( (**gwpixmaphandle).pixelSize == 1 )
2005                 isMonochrome = true ;
2006         }
2007         if ( isMonochrome && width == 8 && height == 8 )
2008         {
2009             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2010             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2011             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2012             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2013             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2014             Pattern pat ;
2015             for ( int i = 0 ; i < 8 ; ++i )
2016             {
2017                 pat.pat[i] = gwbits[i*alignment+0] ;
2018             }
2019             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2020             ::PenPat( &pat ) ;
2021         }
2022         else
2023         {
2024             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2025             // caching scheme before putting this into production
2026             Handle      image;
2027             long        imageSize;
2028             PixPatHandle pixpat = NewPixPat() ;
2029             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2030             imageSize = GetPixRowBytes((**pixpat).patMap) *
2031                 ((**(**pixpat).patMap).bounds.bottom -
2032                 (**(**pixpat).patMap).bounds.top);
2033             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2034             (**pixpat).patData = image;
2035             if ( isMonochrome )
2036             {
2037                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2038                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2039                 if ( ctspec[0].rgb.red == 0x0000 )
2040                 {
2041                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2042                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2043                 }
2044                 else
2045                 {
2046                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2047                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2048                 }
2049                 ::CTabChanged( ctable ) ;
2050             }
2051             ::PenPixPat(pixpat);
2052             m_macForegroundPixMap = pixpat ;
2053         }
2054         UnlockPixels( gwpixmaphandle ) ;
2055     }
2056     else
2057     {
2058         ::PenPat(GetQDGlobalsBlack(&blackColor));
2059     }
2060     short mode = patCopy ;
2061     switch( m_logicalFunction )
2062     {
2063     case wxCOPY:       // src
2064         if ( backgroundTransparent )
2065             mode = patOr ;
2066         else
2067             mode = patCopy ;
2068         break ;
2069     case wxINVERT:     // NOT dst
2070         if ( !backgroundTransparent )
2071         {
2072             ::PenPat(GetQDGlobalsBlack(&blackColor));
2073         }
2074         mode = patXor ;
2075         break ;
2076     case wxXOR:        // src XOR dst
2077         mode = patXor ;
2078         break ;
2079     case wxOR_REVERSE: // src OR (NOT dst)
2080         mode = notPatOr ;
2081         break ;
2082     case wxSRC_INVERT: // (NOT src)
2083         mode = notPatCopy ;
2084         break ;
2085     case wxAND: // src AND dst
2086         mode = adMin ;
2087         break ;
2088         // unsupported TODO
2089     case wxCLEAR:      // 0
2090     case wxAND_REVERSE:// src AND (NOT dst)
2091     case wxAND_INVERT: // (NOT src) AND dst
2092     case wxNO_OP:      // dst
2093     case wxNOR:        // (NOT src) AND (NOT dst)
2094     case wxEQUIV:      // (NOT src) XOR dst
2095     case wxOR_INVERT:  // (NOT src) OR dst
2096     case wxNAND:       // (NOT src) OR (NOT dst)
2097     case wxOR:         // src OR dst
2098     case wxSET:        // 1
2099         //        case wxSRC_OR:     // source _bitmap_ OR destination
2100         //        case wxSRC_AND:     // source _bitmap_ AND destination
2101         break ;
2102     }
2103     ::PenMode( mode ) ;
2104     m_macBrushInstalled = true ;
2105     m_macPenInstalled = false ;
2106     m_macFontInstalled = false ;
2107 }
2108
2109 // ---------------------------------------------------------------------------
2110 // coordinates transformations
2111 // ---------------------------------------------------------------------------
2112
2113 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2114 {
2115     return ((wxDC *)this)->XDEV2LOG(x);
2116 }
2117
2118 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2119 {
2120     return ((wxDC *)this)->YDEV2LOG(y);
2121 }
2122
2123 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2124 {
2125     return ((wxDC *)this)->XDEV2LOGREL(x);
2126 }
2127
2128 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2129 {
2130     return ((wxDC *)this)->YDEV2LOGREL(y);
2131 }
2132
2133 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2134 {
2135     return ((wxDC *)this)->XLOG2DEV(x);
2136 }
2137
2138 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2139 {
2140     return ((wxDC *)this)->YLOG2DEV(y);
2141 }
2142
2143 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2144 {
2145     return ((wxDC *)this)->XLOG2DEVREL(x);
2146 }
2147
2148 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2149 {
2150     return ((wxDC *)this)->YLOG2DEVREL(y);
2151 }