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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/dc.h"
  19
  20 #if !wxMAC_USE_CORE_GRAPHICS
  21 #include "wx/app.h"
  22 #include "wx/mac/uma.h"
  23 #include "wx/dcmemory.h"
  24 #include "wx/dcprint.h"
  25 #include "wx/region.h"
  26 #include "wx/image.h"
  27 #include "wx/log.h"
  28
  29 #if __MSL__ >= 0x6000
  30 namespace std {}
  31 using namespace std ;
  32 #endif
  33
  34 #include "wx/mac/private.h"
  35 #include <ATSUnicode.h>
  36 #include <TextCommon.h>
  37 #include <TextEncodingConverter.h>
  38 #if !USE_SHARED_LIBRARY
  39 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  40 #endif
  41
  42 //-----------------------------------------------------------------------------
  43 // constants
  44 //-----------------------------------------------------------------------------
  45
  46 const double RAD2DEG  = 180.0 / M_PI;
  47 const short kEmulatedMode = -1 ;
  48 const short kUnsupportedMode = -2 ;
  49
  50 extern TECObjectRef s_TECNativeCToUnicode ;
  51
  52 // set to 0 if problems arise
  53 #define wxMAC_EXPERIMENTAL_DC 1
  54
  55 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  56     m_ph( (GrafPtr) dc->m_macPort )
  57 {
  58     wxASSERT( dc->Ok() ) ;
  59     m_dc = dc ;
  60     dc->MacSetupPort(&m_ph) ;
  61 }
  62 wxMacPortSetter::~wxMacPortSetter()
  63 {
  64     m_dc->MacCleanupPort(&m_ph) ;
  65 }
  66
  67 #if wxMAC_EXPERIMENTAL_DC
  68 class wxMacFastPortSetter
  69 {
  70 public :
  71     wxMacFastPortSetter( const wxDC *dc )
  72     {
  73         wxASSERT( dc->Ok() ) ;
  74         m_swapped = QDSwapPort( (GrafPtr) dc->m_macPort , &m_oldPort ) ;
  75         m_clipRgn = NewRgn() ;
  76         GetClip( m_clipRgn ) ;
  77         m_dc = dc ;
  78         dc->MacSetupPort( NULL ) ;
  79     }
  80     ~wxMacFastPortSetter()
  81     {
  82         // SetPort( (GrafPtr) m_dc->m_macPort ) ;
  83         SetClip( m_clipRgn ) ;
  84         if ( m_swapped )
  85             SetPort( m_oldPort ) ;
  86         m_dc->MacCleanupPort( NULL ) ;
  87         DisposeRgn( m_clipRgn ) ;
  88     }
  89 private :
  90     bool m_swapped ;
  91     RgnHandle m_clipRgn ;
  92     GrafPtr m_oldPort ;
  93     const wxDC*   m_dc ;
  94 } ;
  95
  96 #else
  97 typedef wxMacPortSetter wxMacFastPortSetter ;
  98 #endif
  99
 100 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 101     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 102 {
 103     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 104     m_formerClip = NewRgn() ;
 105     m_newClip = NewRgn() ;
 106     GetClip( m_formerClip ) ;
 107
 108     if ( win )
 109     {
 110         // guard against half constructed objects, this just leads to a empty clip
 111         if( win->GetPeer() )
 112         {
 113             int x = 0 , y = 0;
 114             win->MacWindowToRootWindow( &x,&y ) ;
 115             // get area including focus rect
 116             CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 117             if ( !EmptyRgn( m_newClip ) )
 118                 OffsetRgn( m_newClip , x , y ) ;
 119         }
 120         SetClip( m_newClip ) ;
 121     }
 122 }
 123
 124 wxMacWindowClipper::~wxMacWindowClipper()
 125 {
 126     SetPort( m_newPort ) ;
 127     SetClip( m_formerClip ) ;
 128     DisposeRgn( m_newClip ) ;
 129     DisposeRgn( m_formerClip ) ;
 130 }
 131
 132 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 133     wxMacWindowClipper( win )
 134 {
 135     // the port is already set at this point
 136     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 137     GetThemeDrawingState( &m_themeDrawingState ) ;
 138 }
 139
 140 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 141 {
 142     SetPort( m_newPort ) ;
 143     SetThemeDrawingState( m_themeDrawingState , true ) ;
 144 }
 145
 146 //-----------------------------------------------------------------------------
 147 // Local functions
 148 //-----------------------------------------------------------------------------
 149 static inline double dmin(double a, double b) { return a < b ? a : b; }
 150 static inline double dmax(double a, double b) { return a > b ? a : b; }
 151 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 152
 153 //-----------------------------------------------------------------------------
 154 // wxDC
 155 //-----------------------------------------------------------------------------
 156 // this function emulates all wx colour manipulations, used to verify the implementation
 157 // by setting the mode in the blitting functions to kEmulatedMode
 158 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 159
 160 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 161 {
 162     switch ( logical_func )
 163     {
 164         case wxAND:        // src AND dst
 165             dstColor.red = dstColor.red & srcColor.red ;
 166             dstColor.green = dstColor.green & srcColor.green ;
 167             dstColor.blue = dstColor.blue & srcColor.blue ;
 168             break ;
 169         case wxAND_INVERT: // (NOT src) AND 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 wxAND_REVERSE:// src AND (NOT 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 wxCLEAR:      // 0
 180             dstColor.red = 0 ;
 181             dstColor.green = 0 ;
 182             dstColor.blue = 0 ;
 183             break ;
 184         case wxCOPY:       // src
 185             dstColor.red = srcColor.red ;
 186             dstColor.green = srcColor.green ;
 187             dstColor.blue = srcColor.blue ;
 188             break ;
 189         case wxEQUIV:      // (NOT src) XOR dst
 190             dstColor.red = dstColor.red ^ ~srcColor.red ;
 191             dstColor.green = dstColor.green ^ ~srcColor.green ;
 192             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 193             break ;
 194         case wxINVERT:     // NOT dst
 195             dstColor.red = ~dstColor.red ;
 196             dstColor.green = ~dstColor.green ;
 197             dstColor.blue = ~dstColor.blue ;
 198             break ;
 199         case wxNAND:       // (NOT src) OR (NOT dst)
 200             dstColor.red = ~dstColor.red | ~srcColor.red ;
 201             dstColor.green = ~dstColor.green | ~srcColor.green ;
 202             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 203             break ;
 204         case wxNOR:        // (NOT src) AND (NOT dst)
 205             dstColor.red = ~dstColor.red & ~srcColor.red ;
 206             dstColor.green = ~dstColor.green & ~srcColor.green ;
 207             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 208             break ;
 209         case wxNO_OP:      // dst
 210             break ;
 211         case wxOR:         // src OR dst
 212             dstColor.red = dstColor.red | srcColor.red ;
 213             dstColor.green = dstColor.green | srcColor.green ;
 214             dstColor.blue = dstColor.blue | srcColor.blue ;
 215             break ;
 216         case wxOR_INVERT:  // (NOT src) OR dst
 217             dstColor.red = dstColor.red | ~srcColor.red ;
 218             dstColor.green = dstColor.green | ~srcColor.green ;
 219             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 220             break ;
 221         case wxOR_REVERSE: // src OR (NOT dst)
 222             dstColor.red = ~dstColor.red | srcColor.red ;
 223             dstColor.green = ~dstColor.green | srcColor.green ;
 224             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 225             break ;
 226         case wxSET:        // 1
 227             dstColor.red = 0xFFFF ;
 228             dstColor.green = 0xFFFF ;
 229             dstColor.blue = 0xFFFF ;
 230             break ;
 231         case wxSRC_INVERT: // (NOT src)
 232             dstColor.red = ~srcColor.red ;
 233             dstColor.green = ~srcColor.green ;
 234             dstColor.blue = ~srcColor.blue ;
 235             break ;
 236         case wxXOR:        // src XOR dst
 237             dstColor.red = dstColor.red ^ srcColor.red ;
 238             dstColor.green = dstColor.green ^ srcColor.green ;
 239             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 240             break ;
 241     }
 242 }
 243
 244 wxDC::wxDC()
 245 {
 246     m_ok = false;
 247     m_colour = true;
 248     m_mm_to_pix_x = mm2pt;
 249     m_mm_to_pix_y = mm2pt;
 250     m_internalDeviceOriginX = 0;
 251     m_internalDeviceOriginY = 0;
 252     m_externalDeviceOriginX = 0;
 253     m_externalDeviceOriginY = 0;
 254     m_logicalScaleX = 1.0;
 255     m_logicalScaleY = 1.0;
 256     m_userScaleX = 1.0;
 257     m_userScaleY = 1.0;
 258     m_scaleX = 1.0;
 259     m_scaleY = 1.0;
 260     m_needComputeScaleX = false;
 261     m_needComputeScaleY = false;
 262     m_macPort = NULL ;
 263     m_macMask = NULL ;
 264     m_ok = false ;
 265     m_macFontInstalled = false ;
 266     m_macBrushInstalled = false ;
 267     m_macPenInstalled = false ;
 268     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 269     m_macBoundaryClipRgn = NewRgn() ;
 270     m_macCurrentClipRgn = NewRgn() ;
 271     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 272     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 273     m_pen = *wxBLACK_PEN;
 274     m_font = *wxNORMAL_FONT;
 275     m_brush = *wxWHITE_BRUSH;
 276 #ifdef __WXDEBUG__
 277     // needed to debug possible errors with two active drawing methods at the same time on
 278     // the same DC
 279     m_macCurrentPortStateHelper = NULL ;
 280 #endif
 281     m_macATSUIStyle = NULL ;
 282     m_macAliasWasEnabled = false;
 283     m_macForegroundPixMap = NULL ;
 284     m_macBackgroundPixMap = NULL ;
 285 }
 286
 287 wxDC::~wxDC(void)
 288 {
 289     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 290     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 291 }
 292
 293 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 294 {
 295 #ifdef __WXDEBUG__
 296     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 297     m_macCurrentPortStateHelper = help ;
 298 #endif
 299     SetClip( (RgnHandle) m_macCurrentClipRgn);
 300 #if ! wxMAC_EXPERIMENTAL_DC
 301     m_macFontInstalled = false ;
 302     m_macBrushInstalled = false ;
 303     m_macPenInstalled = false ;
 304 #endif
 305 }
 306 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 307 {
 308 #ifdef __WXDEBUG__
 309     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 310     m_macCurrentPortStateHelper = NULL ;
 311 #endif
 312     if( m_macATSUIStyle )
 313     {
 314         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 315         m_macATSUIStyle = NULL ;
 316     }
 317     if ( m_macAliasWasEnabled )
 318     {
 319         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 320         m_macAliasWasEnabled = false ;
 321     }
 322     if ( m_macForegroundPixMap )
 323     {
 324         Pattern blackColor ;
 325         ::PenPat(GetQDGlobalsBlack(&blackColor));
 326         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 327         m_macForegroundPixMap = NULL ;
 328     }
 329     if ( m_macBackgroundPixMap )
 330     {
 331         Pattern whiteColor ;
 332         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 333         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 334         m_macBackgroundPixMap = NULL ;
 335     }
 336 }
 337
 338 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 339 {
 340      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 341      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 342      wxMacFastPortSetter helper(this) ;
 343      wxCoord xx = XLOG2DEVMAC(x);
 344      wxCoord yy = YLOG2DEVMAC(y);
 345      wxCoord w = bmp.GetWidth();
 346      wxCoord h = bmp.GetHeight();
 347      wxCoord ww = XLOG2DEVREL(w);
 348      wxCoord hh = YLOG2DEVREL(h);
 349      // Set up drawing mode
 350      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 351                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 352                     //m_logicalFunction == wxSET ? BLACKNESS :
 353                     m_logicalFunction == wxINVERT ? hilite :
 354                    //m_logicalFunction == wxAND ? MERGECOPY :
 355                     m_logicalFunction == wxOR ? srcOr :
 356                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 357                     m_logicalFunction == wxXOR ? srcXor :
 358                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 359                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 360                     //m_logicalFunction == wxSRC_OR ? srcOr :
 361                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 362                     srcCopy );
 363
 364      GWorldPtr    maskworld = NULL ;
 365      GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP((WXHBITMAP*)&maskworld) );
 366      PixMapHandle bmappixels ;
 367      // Set foreground and background colours (for bitmaps depth = 1)
 368      if(bmp.GetDepth() == 1)
 369     {
 370          RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 371          RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 372          RGBForeColor(&fore);
 373          RGBBackColor(&back);
 374      }
 375      else
 376      {
 377          RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 378          RGBColor black = { 0,0,0} ;
 379          RGBForeColor( &black ) ;
 380          RGBBackColor( &white ) ;
 381      }
 382      bmappixels = GetGWorldPixMap( bmapworld ) ;
 383      wxCHECK_RET(LockPixels(bmappixels),
 384                  wxT("DoDrawBitmap:  Unable to lock pixels"));
 385      Rect source = { 0, 0, h, w };
 386      Rect dest   = { yy, xx, yy + hh, xx + ww };
 387      if ( useMask && maskworld )
 388      {
 389          if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld))))
 390          {
 391              CopyDeepMask
 392                  (
 393                   GetPortBitMapForCopyBits(bmapworld),
 394                   GetPortBitMapForCopyBits(MAC_WXHBITMAP(maskworld)),
 395                   GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 396                   &source, &source, &dest, mode, NULL
 397                   );
 398              UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld)));
 399          }
 400      }
 401      else {
 402          CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 403                    GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 404                    &source, &dest, mode, NULL ) ;
 405      }
 406      UnlockPixels( bmappixels ) ;
 407
 408      m_macPenInstalled = false ;
 409      m_macBrushInstalled = false ;
 410      m_macFontInstalled = false ;
 411 }
 412
 413 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 414 {
 415     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 416     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 417     wxMacFastPortSetter helper(this) ;
 418
 419     wxCoord xx = XLOG2DEVMAC(x);
 420     wxCoord yy = YLOG2DEVMAC(y);
 421     wxCoord w = icon.GetWidth();
 422     wxCoord h = icon.GetHeight();
 423     wxCoord ww = XLOG2DEVREL(w);
 424     wxCoord hh = YLOG2DEVREL(h);
 425
 426     Rect r = { yy , xx, yy + hh  , xx + ww } ;
 427     PlotIconRef( &r , kAlignNone , kTransformNone , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
 428 }
 429
 430 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 431 {
 432     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 433     wxCoord xx, yy, ww, hh;
 434     xx = XLOG2DEVMAC(x);
 435     yy = YLOG2DEVMAC(y);
 436     ww = XLOG2DEVREL(width);
 437     hh = YLOG2DEVREL(height);
 438     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 439     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 440     if( m_clipping )
 441     {
 442         m_clipX1 = wxMax( m_clipX1 , xx );
 443         m_clipY1 = wxMax( m_clipY1 , yy );
 444         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 445         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 446     }
 447     else
 448     {
 449         m_clipping = true;
 450         m_clipX1 = xx;
 451         m_clipY1 = yy;
 452         m_clipX2 = xx + ww;
 453         m_clipY2 = yy + hh;
 454     }
 455 }
 456
 457 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 458 {
 459     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 460     if (region.Empty())
 461     {
 462         DestroyClippingRegion();
 463         return;
 464     }
 465     wxMacFastPortSetter helper(this) ;
 466     wxCoord x, y, w, h;
 467     region.GetBox( x, y, w, h );
 468     wxCoord xx, yy, ww, hh;
 469     xx = XLOG2DEVMAC(x);
 470     yy = YLOG2DEVMAC(y);
 471     ww = XLOG2DEVREL(w);
 472     hh = YLOG2DEVREL(h);
 473     // if we have a scaling that we cannot map onto native regions
 474     // we must use the box
 475     if ( ww != w || hh != h )
 476     {
 477         wxDC::DoSetClippingRegion( x, y, w, h );
 478     }
 479     else
 480     {
 481         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 482         if ( xx != x || yy != y )
 483         {
 484             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 485         }
 486         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 487         if( m_clipping )
 488         {
 489             m_clipX1 = wxMax( m_clipX1 , xx );
 490             m_clipY1 = wxMax( m_clipY1 , yy );
 491             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 492             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 493         }
 494         else
 495         {
 496             m_clipping = true;
 497             m_clipX1 = xx;
 498             m_clipY1 = yy;
 499             m_clipX2 = xx + ww;
 500             m_clipY2 = yy + hh;
 501         }
 502     }
 503 }
 504
 505 void wxDC::DestroyClippingRegion()
 506 {
 507     wxMacFastPortSetter helper(this) ;
 508     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 509     ResetClipping();
 510 }
 511
 512 void wxDC::DoGetSizeMM( int* width, int* height ) const
 513 {
 514     int w = 0;
 515     int h = 0;
 516     GetSize( &w, &h );
 517     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 518     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 519 }
 520
 521 void wxDC::SetTextForeground( const wxColour &col )
 522 {
 523     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 524     m_textForegroundColour = col;
 525     m_macFontInstalled = false ;
 526 }
 527
 528 void wxDC::SetTextBackground( const wxColour &col )
 529 {
 530     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 531     m_textBackgroundColour = col;
 532     m_macFontInstalled = false ;
 533 }
 534
 535 void wxDC::SetMapMode( int mode )
 536 {
 537     switch (mode)
 538     {
 539     case wxMM_TWIPS:
 540         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 541         break;
 542     case wxMM_POINTS:
 543         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 544         break;
 545     case wxMM_METRIC:
 546         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 547         break;
 548     case wxMM_LOMETRIC:
 549         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 550         break;
 551     default:
 552     case wxMM_TEXT:
 553         SetLogicalScale( 1.0, 1.0 );
 554         break;
 555     }
 556     if (mode != wxMM_TEXT)
 557     {
 558         m_needComputeScaleX = true;
 559         m_needComputeScaleY = true;
 560     }
 561 }
 562
 563 void wxDC::SetUserScale( double x, double y )
 564 {
 565     // allow negative ? -> no
 566     m_userScaleX = x;
 567     m_userScaleY = y;
 568     ComputeScaleAndOrigin();
 569 }
 570
 571 void wxDC::SetLogicalScale( double x, double y )
 572 {
 573     // allow negative ?
 574     m_logicalScaleX = x;
 575     m_logicalScaleY = y;
 576     ComputeScaleAndOrigin();
 577 }
 578
 579 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 580 {
 581     m_logicalOriginX = x * m_signX;   // is this still correct ?
 582     m_logicalOriginY = y * m_signY;
 583     ComputeScaleAndOrigin();
 584 }
 585
 586 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 587 {
 588     m_externalDeviceOriginX = x;
 589     m_externalDeviceOriginY = y;
 590     ComputeScaleAndOrigin();
 591 }
 592
 593 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 594 {
 595     m_signX = (xLeftRight ?  1 : -1);
 596     m_signY = (yBottomUp  ? -1 :  1);
 597     ComputeScaleAndOrigin();
 598 }
 599
 600 wxSize wxDC::GetPPI() const
 601 {
 602     return wxSize(72, 72);
 603 }
 604
 605 int wxDC::GetDepth() const
 606 {
 607     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 608     {
 609         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 610     }
 611     return 1 ;
 612 }
 613
 614 void wxDC::ComputeScaleAndOrigin()
 615 {
 616     // CMB: copy scale to see if it changes
 617     double origScaleX = m_scaleX;
 618     double origScaleY = m_scaleY;
 619     m_scaleX = m_logicalScaleX * m_userScaleX;
 620     m_scaleY = m_logicalScaleY * m_userScaleY;
 621     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 622     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 623     // CMB: if scale has changed call SetPen to recalulate the line width
 624     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 625     {
 626         // this is a bit artificial, but we need to force wxDC to think
 627         // the pen has changed
 628         wxPen pen(GetPen());
 629         m_pen = wxNullPen;
 630         SetPen(pen);
 631     }
 632 }
 633
 634 void  wxDC::SetPalette( const wxPalette& palette )
 635 {
 636 }
 637
 638 void  wxDC::SetBackgroundMode( int mode )
 639 {
 640     m_backgroundMode = mode ;
 641 }
 642
 643 void  wxDC::SetFont( const wxFont &font )
 644 {
 645     m_font = font;
 646     m_macFontInstalled = false ;
 647 }
 648
 649 void  wxDC::SetPen( const wxPen &pen )
 650 {
 651     if ( m_pen == pen )
 652         return ;
 653     m_pen = pen;
 654     m_macPenInstalled = false ;
 655 }
 656
 657 void  wxDC::SetBrush( const wxBrush &brush )
 658 {
 659     if (m_brush == brush)
 660         return;
 661     m_brush = brush;
 662     m_macBrushInstalled = false ;
 663 }
 664
 665 void  wxDC::SetBackground( const wxBrush &brush )
 666 {
 667     if (m_backgroundBrush == brush)
 668         return;
 669     m_backgroundBrush = brush;
 670     if (!m_backgroundBrush.Ok())
 671         return;
 672     m_macBrushInstalled = false ;
 673 }
 674
 675 void  wxDC::SetLogicalFunction( int function )
 676 {
 677     if (m_logicalFunction == function)
 678         return;
 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     wxMacFastPortSetter helper(this) ;
 698     RGBColor colour;
 699     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 700     // Convert from Mac colour to wx
 701     col->Set( colour.red   >> 8,
 702         colour.green >> 8,
 703         colour.blue  >> 8);
 704     return true ;
 705 }
 706
 707 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 708 {
 709     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 710     wxMacFastPortSetter helper(this) ;
 711     if (m_pen.GetStyle() != wxTRANSPARENT)
 712     {
 713         MacInstallPen() ;
 714         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 715         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 716         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 717         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 718         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 719         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 720         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 721             (m_pen.GetWidth() <= 1))
 722         {
 723             // Implement LAST_NOT for MAC at least for
 724             // orthogonal lines. RR.
 725             if (xx1 == xx2)
 726             {
 727                 if (yy1 < yy2)
 728                     yy2--;
 729                 if (yy1 > yy2)
 730                     yy2++;
 731             }
 732             if (yy1 == yy2)
 733             {
 734                 if (xx1 < xx2)
 735                     xx2--;
 736                 if (xx1 > xx2)
 737                     xx2++;
 738             }
 739         }
 740         ::MoveTo(xx1, yy1);
 741         ::LineTo(xx2, yy2);
 742     }
 743 }
 744
 745 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 746 {
 747     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 748     wxMacFastPortSetter helper(this) ;
 749     if (m_pen.GetStyle() != wxTRANSPARENT)
 750     {
 751         int w = 0;
 752         int h = 0;
 753         GetSize( &w, &h );
 754         wxCoord xx = XLOG2DEVMAC(x);
 755         wxCoord yy = YLOG2DEVMAC(y);
 756         MacInstallPen();
 757         ::MoveTo( XLOG2DEVMAC(0), yy );
 758         ::LineTo( XLOG2DEVMAC(w), yy );
 759         ::MoveTo( xx, YLOG2DEVMAC(0) );
 760         ::LineTo( xx, YLOG2DEVMAC(h) );
 761         CalcBoundingBox(x, y);
 762         CalcBoundingBox(x+w, y+h);
 763     }
 764 }
 765
 766 /*
 767 * To draw arcs properly the angles need to be converted from the WX style:
 768 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 769 * a normal axis on paper).
 770 * TO
 771 * the Mac style:
 772 * Angles start on the +ve y axis and go clockwise.
 773 */
 774
 775 static double wxConvertWXangleToMACangle(double angle)
 776 {
 777     double newAngle = 90 - angle ;
 778     while ( newAngle > 360 ) newAngle -= 360 ;
 779     while ( newAngle < 0 ) newAngle += 360 ;
 780     return newAngle ;
 781 }
 782
 783 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 784                       wxCoord x2, wxCoord y2,
 785                       wxCoord xc, wxCoord yc )
 786 {
 787     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 788     wxMacFastPortSetter helper(this) ;
 789     wxCoord xx1 = XLOG2DEVMAC(x1);
 790     wxCoord yy1 = YLOG2DEVMAC(y1);
 791     wxCoord xx2 = XLOG2DEVMAC(x2);
 792     wxCoord yy2 = YLOG2DEVMAC(y2);
 793     wxCoord xxc = XLOG2DEVMAC(xc);
 794     wxCoord yyc = YLOG2DEVMAC(yc);
 795     double dx = xx1 - xxc;
 796     double dy = yy1 - yyc;
 797     double radius = sqrt((double)(dx*dx+dy*dy));
 798     wxCoord rad   = (wxCoord)radius;
 799     double radius1, radius2;
 800     if (xx1 == xx2 && yy1 == yy2)
 801     {
 802         radius1 = 0.0;
 803         radius2 = 360.0;
 804     }
 805     else if (radius == 0.0)
 806     {
 807         radius1 = radius2 = 0.0;
 808     }
 809     else
 810     {
 811         radius1 = (xx1 - xxc == 0) ?
 812             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 813         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 814         radius2 = (xx2 - xxc == 0) ?
 815             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 816         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 817     }
 818     wxCoord alpha2 = wxCoord(radius2 - radius1);
 819     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 820     while( alpha2 < 0 ) alpha2 += 360 ;
 821     alpha2 = -alpha2 ;
 822     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 823     if(m_brush.GetStyle() != wxTRANSPARENT) {
 824         MacInstallBrush();
 825         PaintArc(&r, alpha1, alpha2);
 826     }
 827     if(m_pen.GetStyle() != wxTRANSPARENT) {
 828         MacInstallPen();
 829         FrameArc(&r, alpha1, alpha2);
 830     }
 831 }
 832
 833 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 834                               double sa, double ea )
 835 {
 836     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 837     wxMacFastPortSetter helper(this) ;
 838     Rect r;
 839     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 840     // we have to make sure that the filling is always counter-clockwise
 841     if ( angle > 0 )
 842         angle -= 360 ;
 843     wxCoord xx = XLOG2DEVMAC(x);
 844     wxCoord yy = YLOG2DEVMAC(y);
 845     wxCoord ww = m_signX * XLOG2DEVREL(w);
 846     wxCoord hh = m_signY * YLOG2DEVREL(h);
 847     // handle -ve width and/or height
 848     if (ww < 0) { ww = -ww; xx = xx - ww; }
 849     if (hh < 0) { hh = -hh; yy = yy - hh; }
 850     sa = wxConvertWXangleToMACangle(sa);
 851     r.top    = yy;
 852     r.left   = xx;
 853     r.bottom = yy + hh;
 854     r.right  = xx + ww;
 855     if(m_brush.GetStyle() != wxTRANSPARENT) {
 856         MacInstallBrush();
 857         PaintArc(&r, (short)sa, (short)angle);
 858     }
 859     if(m_pen.GetStyle() != wxTRANSPARENT) {
 860         MacInstallPen();
 861         FrameArc(&r, (short)sa, (short)angle);
 862     }
 863 }
 864
 865 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 866 {
 867     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 868     wxMacFastPortSetter helper(this) ;
 869     if (m_pen.GetStyle() != wxTRANSPARENT)
 870     {
 871         wxCoord xx1 = XLOG2DEVMAC(x);
 872         wxCoord yy1 = YLOG2DEVMAC(y);
 873         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 874         ::SetCPixel( xx1,yy1,&pencolor) ;
 875         CalcBoundingBox(x, y);
 876     }
 877 }
 878
 879 void  wxDC::DoDrawLines(int n, wxPoint points[],
 880                         wxCoord xoffset, wxCoord yoffset)
 881 {
 882     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 883     wxMacFastPortSetter helper(this) ;
 884     if (m_pen.GetStyle() == wxTRANSPARENT)
 885         return;
 886     MacInstallPen() ;
 887     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 888     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 889     wxCoord x1, x2 , y1 , y2 ;
 890     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 891     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 892     ::MoveTo(x1 - offset, y1 - offset );
 893     for (int i = 0; i < n-1; i++)
 894     {
 895         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 896         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 897         ::LineTo( x2 - offset, y2 - offset );
 898     }
 899 }
 900
 901 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 902                           wxCoord xoffset, wxCoord yoffset,
 903                           int fillStyle )
 904 {
 905     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 906     wxMacFastPortSetter helper(this) ;
 907     wxCoord x1, x2 , y1 , y2 ;
 908     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 909         return ;
 910     PolyHandle polygon = OpenPoly();
 911     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 912     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 913     ::MoveTo(x1,y1);
 914     for (int i = 1; i < n; i++)
 915     {
 916         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 917         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 918         ::LineTo(x2, y2);
 919     }
 920     // close the polyline if necessary
 921     if ( x1 != x2 || y1 != y2 )
 922     {
 923         ::LineTo(x1,y1 ) ;
 924     }
 925     ClosePoly();
 926     if (m_brush.GetStyle() != wxTRANSPARENT)
 927     {
 928         MacInstallBrush();
 929         ::PaintPoly( polygon );
 930     }
 931     if (m_pen.GetStyle() != wxTRANSPARENT)
 932     {
 933         MacInstallPen() ;
 934         ::FramePoly( polygon ) ;
 935     }
 936     KillPoly( polygon );
 937 }
 938
 939 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 940 {
 941     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 942     wxMacFastPortSetter helper(this) ;
 943     wxCoord xx = XLOG2DEVMAC(x);
 944     wxCoord yy = YLOG2DEVMAC(y);
 945     wxCoord ww = m_signX * XLOG2DEVREL(width);
 946     wxCoord hh = m_signY * YLOG2DEVREL(height);
 947     // CMB: draw nothing if transformed w or h is 0
 948     if (ww == 0 || hh == 0)
 949         return;
 950     // CMB: handle -ve width and/or height
 951     if (ww < 0)
 952     {
 953         ww = -ww;
 954         xx = xx - ww;
 955     }
 956     if (hh < 0)
 957     {
 958         hh = -hh;
 959         yy = yy - hh;
 960     }
 961     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 962     if (m_brush.GetStyle() != wxTRANSPARENT)
 963     {
 964         MacInstallBrush() ;
 965         ::PaintRect( &rect ) ;
 966     }
 967     if (m_pen.GetStyle() != wxTRANSPARENT)
 968     {
 969         MacInstallPen() ;
 970         ::FrameRect( &rect ) ;
 971     }
 972 }
 973
 974 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 975                                    wxCoord width, wxCoord height,
 976                                    double radius)
 977 {
 978     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 979     wxMacFastPortSetter helper(this) ;
 980     if (radius < 0.0)
 981         radius = - radius * ((width < height) ? width : height);
 982     wxCoord xx = XLOG2DEVMAC(x);
 983     wxCoord yy = YLOG2DEVMAC(y);
 984     wxCoord ww = m_signX * XLOG2DEVREL(width);
 985     wxCoord hh = m_signY * YLOG2DEVREL(height);
 986     // CMB: draw nothing if transformed w or h is 0
 987     if (ww == 0 || hh == 0)
 988         return;
 989     // CMB: handle -ve width and/or height
 990     if (ww < 0)
 991     {
 992         ww = -ww;
 993         xx = xx - ww;
 994     }
 995     if (hh < 0)
 996     {
 997         hh = -hh;
 998         yy = yy - hh;
 999     }
1000     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1001     if (m_brush.GetStyle() != wxTRANSPARENT)
1002     {
1003         MacInstallBrush() ;
1004         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1005     }
1006     if (m_pen.GetStyle() != wxTRANSPARENT)
1007     {
1008         MacInstallPen() ;
1009         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1010     }
1011 }
1012
1013 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1014 {
1015     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1016     wxMacFastPortSetter helper(this) ;
1017     wxCoord xx = XLOG2DEVMAC(x);
1018     wxCoord yy = YLOG2DEVMAC(y);
1019     wxCoord ww = m_signX * XLOG2DEVREL(width);
1020     wxCoord hh = m_signY * YLOG2DEVREL(height);
1021     // CMB: draw nothing if transformed w or h is 0
1022     if (ww == 0 || hh == 0)
1023         return;
1024     // CMB: handle -ve width and/or height
1025     if (ww < 0)
1026     {
1027         ww = -ww;
1028         xx = xx - ww;
1029     }
1030     if (hh < 0)
1031     {
1032         hh = -hh;
1033         yy = yy - hh;
1034     }
1035     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1036     if (m_brush.GetStyle() != wxTRANSPARENT)
1037     {
1038         MacInstallBrush() ;
1039         ::PaintOval( &rect ) ;
1040     }
1041     if (m_pen.GetStyle() != wxTRANSPARENT)
1042     {
1043         MacInstallPen() ;
1044         ::FrameOval( &rect ) ;
1045     }
1046 }
1047
1048 bool  wxDC::CanDrawBitmap(void) const
1049 {
1050     return true ;
1051 }
1052
1053 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1054                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1055                    wxCoord xsrcMask,  wxCoord ysrcMask )
1056 {
1057     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1058     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1059     if ( logical_func == wxNO_OP )
1060         return true ;
1061     if (xsrcMask == -1 && ysrcMask == -1)
1062     {
1063         xsrcMask = xsrc; ysrcMask = ysrc;
1064     }
1065     // correct the parameter in case this dc does not have a mask at all
1066     if ( useMask && !source->m_macMask )
1067         useMask = false ;
1068     Rect srcrect , dstrect ;
1069     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1070     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1071     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1072     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1073     dstrect.top = YLOG2DEVMAC(ydest) ;
1074     dstrect.left = XLOG2DEVMAC(xdest) ;
1075     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1076     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1077     short mode = kUnsupportedMode ;
1078     bool invertDestinationFirst = false ;
1079     switch ( logical_func )
1080     {
1081     case wxAND:        // src AND dst
1082         mode = adMin ; // ok
1083         break ;
1084     case wxAND_INVERT: // (NOT src) AND dst
1085         mode = notSrcOr  ; // ok
1086         break ;
1087     case wxAND_REVERSE:// src AND (NOT dst)
1088         invertDestinationFirst = true ;
1089         mode = srcOr ;
1090         break ;
1091     case wxCLEAR:      // 0
1092         mode = kEmulatedMode ;
1093         break ;
1094     case wxCOPY:       // src
1095         mode = srcCopy ; // ok
1096         break ;
1097     case wxEQUIV:      // (NOT src) XOR dst
1098         mode = srcXor ; // ok
1099         break ;
1100     case wxINVERT:     // NOT dst
1101         mode = kEmulatedMode ; //or hilite ;
1102         break ;
1103     case wxNAND:       // (NOT src) OR (NOT dst)
1104         invertDestinationFirst = true ;
1105         mode = srcBic ;
1106         break ;
1107     case wxNOR:        // (NOT src) AND (NOT dst)
1108         invertDestinationFirst = true ;
1109         mode = notSrcOr ;
1110         break ;
1111     case wxNO_OP:      // dst
1112         mode = kEmulatedMode ; // this has already been handled upon entry
1113         break ;
1114     case wxOR:         // src OR dst
1115         mode = notSrcBic ;
1116         break ;
1117     case wxOR_INVERT:  // (NOT src) OR dst
1118         mode = srcBic ;
1119         break ;
1120     case wxOR_REVERSE: // src OR (NOT dst)
1121         invertDestinationFirst = true ;
1122         mode = notSrcBic ;
1123         break ;
1124     case wxSET:        // 1
1125         mode = kEmulatedMode ;
1126         break ;
1127     case wxSRC_INVERT: // (NOT src)
1128         mode = notSrcCopy ; // ok
1129         break ;
1130     case wxXOR:        // src XOR dst
1131         mode = notSrcXor ; // ok
1132         break ;
1133     default :
1134         break ;
1135     }
1136     if ( mode == kUnsupportedMode )
1137     {
1138         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1139         return false ;
1140     }
1141     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1142     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1143     if ( LockPixels(bmappixels) )
1144     {
1145         wxMacFastPortSetter helper(this) ;
1146         if ( source->GetDepth() == 1 )
1147         {
1148             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1149             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1150         }
1151         else
1152         {
1153             // the modes need this, otherwise we'll end up having really nice colors...
1154             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1155             RGBColor    black = { 0,0,0} ;
1156             RGBForeColor( &black ) ;
1157             RGBBackColor( &white ) ;
1158         }
1159         if ( useMask && source->m_macMask )
1160         {
1161             if ( mode == srcCopy )
1162             {
1163                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1164                 {
1165                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1166                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1167                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1168                         &srcrect, &srcrect , &dstrect ) ;
1169                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1170                 }
1171             }
1172             else
1173             {
1174                 RgnHandle clipRgn = NewRgn() ;
1175                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1176                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1177                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1178                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1179                 if ( mode == kEmulatedMode )
1180                 {
1181                     Pattern pat ;
1182                     ::PenPat(GetQDGlobalsBlack(&pat));
1183                     if ( logical_func == wxSET )
1184                     {
1185                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1186                         ::RGBForeColor( &col  ) ;
1187                         ::PaintRgn( clipRgn ) ;
1188                     }
1189                     else if ( logical_func == wxCLEAR )
1190                     {
1191                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1192                         ::RGBForeColor( &col  ) ;
1193                         ::PaintRgn( clipRgn ) ;
1194                     }
1195                     else if ( logical_func == wxINVERT )
1196                     {
1197                         MacInvertRgn( clipRgn ) ;
1198                     }
1199                     else
1200                     {
1201                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1202                         {
1203                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1204                             {
1205                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1206                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1207                                 if ( PtInRgn( dstPoint , clipRgn ) )
1208                                 {
1209                                     RGBColor srcColor ;
1210                                     RGBColor dstColor ;
1211                                     SetPort( (GrafPtr) sourcePort ) ;
1212                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1213                                     SetPort( (GrafPtr) m_macPort ) ;
1214                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1215                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1216                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1217                                 }
1218                             }
1219                         }
1220                     }
1221                 }
1222                 else
1223                 {
1224                     if ( invertDestinationFirst )
1225                     {
1226                         MacInvertRgn( clipRgn ) ;
1227                     }
1228                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1229                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1230                         &srcrect, &dstrect, mode, clipRgn ) ;
1231                 }
1232                 DisposeRgn( clipRgn ) ;
1233             }
1234         }
1235         else
1236         {
1237             RgnHandle clipRgn = NewRgn() ;
1238             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1239             if ( mode == kEmulatedMode )
1240             {
1241                 Pattern pat ;
1242                 ::PenPat(GetQDGlobalsBlack(&pat));
1243                 if ( logical_func == wxSET )
1244                 {
1245                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1246                     ::RGBForeColor( &col  ) ;
1247                     ::PaintRgn( clipRgn ) ;
1248                 }
1249                 else if ( logical_func == wxCLEAR )
1250                 {
1251                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1252                     ::RGBForeColor( &col  ) ;
1253                     ::PaintRgn( clipRgn ) ;
1254                 }
1255                 else if ( logical_func == wxINVERT )
1256                 {
1257                     MacInvertRgn( clipRgn ) ;
1258                 }
1259                 else
1260                 {
1261                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1262                     {
1263                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1264                         {
1265                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1266                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1267                             {
1268                                 RGBColor srcColor ;
1269                                 RGBColor dstColor ;
1270                                 SetPort( (GrafPtr) sourcePort ) ;
1271                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1272                                 SetPort( (GrafPtr) m_macPort ) ;
1273                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1274                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1275                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1276                             }
1277                         }
1278                     }
1279                 }
1280             }
1281             else
1282             {
1283                 if ( invertDestinationFirst )
1284                 {
1285                     MacInvertRgn( clipRgn ) ;
1286                 }
1287                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1288                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1289                     &srcrect, &dstrect, mode, NULL ) ;
1290             }
1291             DisposeRgn( clipRgn ) ;
1292         }
1293         UnlockPixels( bmappixels ) ;
1294     }
1295     m_macPenInstalled = false ;
1296     m_macBrushInstalled = false ;
1297     m_macFontInstalled = false ;
1298     return true;
1299 }
1300
1301 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1302                               double angle)
1303 {
1304     // TODO support text background color (only possible by hand, ATSUI does not support it)
1305     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1306
1307     if ( str.Length() == 0 )
1308         return ;
1309
1310     wxMacFastPortSetter helper(this) ;
1311     MacInstallFont() ;
1312
1313     if ( 0 )
1314     {
1315         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1316         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1317         m_macAliasWasEnabled = true ;
1318     }
1319     OSStatus status = noErr ;
1320     ATSUTextLayout atsuLayout ;
1321     UniCharCount chars = str.Length() ;
1322     UniChar* ubuf = NULL ;
1323 #if SIZEOF_WCHAR_T == 4
1324     wxMBConvUTF16BE converter ;
1325 #if wxUSE_UNICODE
1326     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1327     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1328     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1329 #else
1330     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1331     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1332     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1333     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1334 #endif
1335     chars = unicharlen / 2 ;
1336 #else
1337 #if wxUSE_UNICODE
1338     ubuf = (UniChar*) str.wc_str() ;
1339 #else
1340     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1341     chars = wxWcslen( wchar.data() ) ;
1342     ubuf = (UniChar*) wchar.data() ;
1343 #endif
1344 #endif
1345
1346     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1347         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1348
1349     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1350
1351     status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
1352     wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1353
1354     int iAngle = int( angle );
1355     int drawX = XLOG2DEVMAC(x) ;
1356     int drawY = YLOG2DEVMAC(y) ;
1357
1358     ATSUTextMeasurement textBefore ;
1359     ATSUTextMeasurement textAfter ;
1360     ATSUTextMeasurement ascent ;
1361     ATSUTextMeasurement descent ;
1362
1363
1364     if ( abs(iAngle) > 0 )
1365     {
1366         Fixed atsuAngle = IntToFixed( iAngle ) ;
1367         ATSUAttributeTag atsuTags[] =
1368         {
1369             kATSULineRotationTag ,
1370         } ;
1371         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1372         {
1373             sizeof( Fixed ) ,
1374         } ;
1375         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1376         {
1377             &atsuAngle ,
1378         } ;
1379         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1380             atsuTags, atsuSizes, atsuValues ) ;
1381     }
1382     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1383         &textBefore , &textAfter, &ascent , &descent );
1384
1385     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1386     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1387     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1388         IntToFixed(drawX) , IntToFixed(drawY) );
1389     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1390     Rect rect ;
1391     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1392         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1393     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1394     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1395     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1396     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1397     ::ATSUDisposeTextLayout(atsuLayout);
1398 #if SIZEOF_WCHAR_T == 4
1399     free( ubuf ) ;
1400 #endif
1401 }
1402
1403 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1404 {
1405     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1406
1407     wxMacFastPortSetter helper(this) ;
1408     long xx = XLOG2DEVMAC(x);
1409     long yy = YLOG2DEVMAC(y);
1410 #if TARGET_CARBON
1411     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1412     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1413         useDrawThemeText = false ;
1414 #endif
1415     MacInstallFont() ;
1416
1417     FontInfo fi ;
1418     ::GetFontInfo( &fi ) ;
1419 #if TARGET_CARBON
1420     if ( !useDrawThemeText )
1421 #endif
1422         yy += fi.ascent ;
1423     ::MoveTo( xx , yy );
1424     if (  m_backgroundMode == wxTRANSPARENT )
1425     {
1426         ::TextMode( srcOr) ;
1427     }
1428     else
1429     {
1430         ::TextMode( srcCopy ) ;
1431     }
1432     int line = 0 ;
1433     {
1434         wxString linetext = strtext ;
1435 #if TARGET_CARBON
1436         if ( useDrawThemeText )
1437         {
1438             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1439             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1440
1441             if ( m_backgroundMode != wxTRANSPARENT )
1442             {
1443                 Point bounds={0,0} ;
1444                 Rect background = frame ;
1445                 SInt16 baseline ;
1446                 ::GetThemeTextDimensions( mString,
1447                     m_font.MacGetThemeFontID() ,
1448                     kThemeStateActive,
1449                     false,
1450                     &bounds,
1451                     &baseline );
1452                 background.right = background.left + bounds.h ;
1453                 background.bottom = background.top + bounds.v ;
1454                 ::EraseRect( &background ) ;
1455             }
1456             ::DrawThemeTextBox( mString,
1457                 m_font.MacGetThemeFontID() ,
1458                 kThemeStateActive,
1459                 false,
1460                 &frame,
1461                 teJustLeft,
1462                 nil );
1463         }
1464         else
1465 #endif
1466         {
1467             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1468             ::DrawText( text , 0 , strlen(text) ) ;
1469          }
1470     }
1471     ::TextMode( srcOr ) ;
1472 }
1473
1474 bool  wxDC::CanGetTextExtent() const
1475 {
1476     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1477     return true ;
1478 }
1479
1480 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1481                             wxCoord *descent, wxCoord *externalLeading ,
1482                             wxFont *theFont ) const
1483 {
1484     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1485     wxMacFastPortSetter helper(this) ;
1486     wxFont formerFont = m_font ;
1487     if ( theFont )
1488     {
1489         // work around the constness
1490         *((wxFont*)(&m_font)) = *theFont ;
1491     }
1492     MacInstallFont() ;
1493     FontInfo fi ;
1494     ::GetFontInfo( &fi ) ;
1495 #if TARGET_CARBON
1496     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1497     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1498         useGetThemeText = false ;
1499 #endif
1500     if ( height )
1501         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1502     if ( descent )
1503         *descent =YDEV2LOGREL( fi.descent );
1504     if ( externalLeading )
1505         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1506
1507     int curwidth = 0 ;
1508     if ( width )
1509     {
1510         *width = 0 ;
1511         wxString linetext = strtext ;
1512
1513         if ( useGetThemeText )
1514         {
1515             Point bounds={0,0} ;
1516             SInt16 baseline ;
1517             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1518             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1519             ::GetThemeTextDimensions( mString,
1520                 themeFont ,
1521                 kThemeStateActive,
1522                 false,
1523                 &bounds,
1524                 &baseline );
1525             curwidth = bounds.h ;
1526         }
1527         else
1528         {
1529             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1530             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1531         }
1532         if ( curwidth > *width )
1533             *width = XDEV2LOGREL( curwidth ) ;
1534     }
1535     if ( theFont )
1536     {
1537         // work around the constness
1538         *((wxFont*)(&m_font)) = formerFont ;
1539         m_macFontInstalled = false ;
1540     }
1541 }
1542
1543
1544 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1545 {
1546     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1547
1548     widths.Empty();
1549     widths.Add(0, text.Length());
1550
1551     if (text.Length() == 0)
1552         return false;
1553
1554     wxMacFastPortSetter helper(this) ;
1555     MacInstallFont() ;
1556 #if TARGET_CARBON
1557     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1558     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1559         useGetThemeText = false ;
1560
1561     if ( useGetThemeText )
1562     {
1563         // If anybody knows how to do this more efficiently yet still handle
1564         // the fractional glyph widths that may be present when using AA
1565         // fonts, please change it.  Currently it is measuring from the
1566         // begining of the string for each succeding substring, which is much
1567         // slower than this should be.
1568         for (size_t i=0; i<text.Length(); i++)
1569         {
1570             wxString str(text.Left(i+1));
1571             Point bounds = {0,0};
1572             SInt16 baseline ;
1573             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1574             ::GetThemeTextDimensions( mString,
1575                                       m_font.MacGetThemeFontID(),
1576                                       kThemeStateActive,
1577                                       false,
1578                                       &bounds,
1579                                       &baseline );
1580             widths[i] = XDEV2LOGREL(bounds.h);
1581         }
1582     }
1583     else
1584 #endif
1585     {
1586         wxCharBuffer buff = text.mb_str(wxConvLocal);
1587         size_t len = strlen(buff);
1588         short* measurements = new short[len+1];
1589         MeasureText(len, buff.data(), measurements);
1590
1591         // Copy to widths, starting at measurements[1]
1592         // NOTE: this doesn't take into account any multi-byte characters
1593         // in buff, it probabkly should...
1594         for (size_t i=0; i<text.Length(); i++)
1595             widths[i] = XDEV2LOGREL(measurements[i+1]);
1596
1597         delete [] measurements;
1598     }
1599
1600     return true;
1601 }
1602
1603
1604
1605 wxCoord   wxDC::GetCharWidth(void) const
1606 {
1607     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1608     wxMacFastPortSetter helper(this) ;
1609     MacInstallFont() ;
1610     int width = 0 ;
1611 #if TARGET_CARBON
1612     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1613     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1614         useGetThemeText = false ;
1615 #endif
1616     char text[] = "g" ;
1617 #if TARGET_CARBON
1618     if ( useGetThemeText )
1619     {
1620         Point bounds={0,0} ;
1621         SInt16 baseline ;
1622         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1623         ::GetThemeTextDimensions( mString,
1624             m_font.MacGetThemeFontID(),
1625             kThemeStateActive,
1626             false,
1627             &bounds,
1628             &baseline );
1629         CFRelease( mString ) ;
1630         width = bounds.h ;
1631     }
1632     else
1633 #endif
1634     {
1635         width = ::TextWidth( text , 0 , 1 ) ;
1636     }
1637     return YDEV2LOGREL(width) ;
1638 }
1639
1640 wxCoord   wxDC::GetCharHeight(void) const
1641 {
1642     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1643     wxMacFastPortSetter helper(this) ;
1644     MacInstallFont() ;
1645     FontInfo fi ;
1646     ::GetFontInfo( &fi ) ;
1647     return YDEV2LOGREL( fi.descent + fi.ascent );
1648 }
1649
1650 void  wxDC::Clear(void)
1651 {
1652     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1653     wxMacFastPortSetter helper(this) ;
1654     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1655     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1656     {
1657         ::PenNormal() ;
1658         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1659         ::EraseRect( &rect ) ;
1660     }
1661 }
1662
1663 void wxDC::MacInstallFont() const
1664 {
1665     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1666     //    if ( m_macFontInstalled )
1667     //        return ;
1668     Pattern blackColor ;
1669     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1670     if ( m_backgroundMode != wxTRANSPARENT )
1671     {
1672         Pattern whiteColor ;
1673         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1674     }
1675
1676     wxASSERT( m_font.Ok() ) ;
1677
1678
1679     ::TextFont( m_font.MacGetFontNum() ) ;
1680     ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1681     ::TextFace( m_font.MacGetFontStyle() ) ;
1682     m_macFontInstalled = true ;
1683     m_macBrushInstalled = false ;
1684     m_macPenInstalled = false ;
1685     RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1686     RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1687     ::RGBForeColor( &forecolor );
1688     ::RGBBackColor( &backcolor );
1689
1690     short mode = patCopy ;
1691     // todo :
1692     switch( m_logicalFunction )
1693     {
1694     case wxCOPY:       // src
1695         mode = patCopy ;
1696         break ;
1697     case wxINVERT:     // NOT dst
1698         ::PenPat(GetQDGlobalsBlack(&blackColor));
1699         mode = patXor ;
1700         break ;
1701     case wxXOR:        // src XOR dst
1702         mode = patXor ;
1703         break ;
1704     case wxOR_REVERSE: // src OR (NOT dst)
1705         mode = notPatOr ;
1706         break ;
1707     case wxSRC_INVERT: // (NOT src)
1708         mode = notPatCopy ;
1709         break ;
1710     case wxAND: // src AND dst
1711         mode = adMin ;
1712         break ;
1713         // unsupported TODO
1714     case wxCLEAR:      // 0
1715     case wxAND_REVERSE:// src AND (NOT dst)
1716     case wxAND_INVERT: // (NOT src) AND dst
1717     case wxNO_OP:      // dst
1718     case wxNOR:        // (NOT src) AND (NOT dst)
1719     case wxEQUIV:      // (NOT src) XOR dst
1720     case wxOR_INVERT:  // (NOT src) OR dst
1721     case wxNAND:       // (NOT src) OR (NOT dst)
1722     case wxOR:         // src OR dst
1723     case wxSET:        // 1
1724         //        case wxSRC_OR:     // source _bitmap_ OR destination
1725         //        case wxSRC_AND:     // source _bitmap_ AND destination
1726         break ;
1727     }
1728     ::PenMode( mode ) ;
1729     OSStatus status = noErr ;
1730     status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1731     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1732
1733     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1734     ATSUAttributeTag atsuTags[] =
1735     {
1736             kATSUSizeTag ,
1737     } ;
1738     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1739     {
1740             sizeof( Fixed ) ,
1741     } ;
1742 //    Boolean kTrue = true ;
1743 //    Boolean kFalse = false ;
1744
1745 //    ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1746     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1747     {
1748             &atsuSize ,
1749     } ;
1750     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1751         atsuTags, atsuSizes, atsuValues);
1752
1753     wxASSERT_MSG( status == noErr , wxT("couldn't Modify ATSU style") ) ;
1754
1755 }
1756
1757 Pattern gPatterns[] =
1758 {   // hatch patterns
1759     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1760     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1761     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1762     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1763     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1764     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1765     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1766     // dash patterns
1767     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1768     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1769     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1770     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1771 } ;
1772
1773 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1774 {
1775     int index = 0;  // solid pattern by default
1776     switch(penStyle)
1777     {
1778         // hatches
1779         case wxBDIAGONAL_HATCH:     index = 1; break;
1780         case wxFDIAGONAL_HATCH:     index = 2; break;
1781         case wxCROSS_HATCH:         index = 3; break;
1782         case wxHORIZONTAL_HATCH:    index = 4; break;
1783         case wxVERTICAL_HATCH:      index = 5; break;
1784         case wxCROSSDIAG_HATCH:     index = 6; break;
1785         // dashes
1786         case wxDOT:                 index = 7; break;
1787         case wxLONG_DASH:           index = 8; break;
1788         case wxSHORT_DASH:          index = 9; break;
1789         case wxDOT_DASH:            index = 10; break;
1790     }
1791     *pattern = gPatterns[index];
1792 }
1793
1794 void wxDC::MacInstallPen() const
1795 {
1796     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1797     //Pattern     blackColor;
1798     //    if ( m_macPenInstalled )
1799     //        return ;
1800     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1801     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1802     ::RGBForeColor( &forecolor );
1803     ::RGBBackColor( &backcolor );
1804     ::PenNormal() ;
1805     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1806     // null means only one pixel, at whatever resolution
1807     if ( penWidth == 0 )
1808         penWidth = 1 ;
1809     ::PenSize(penWidth, penWidth);
1810
1811     int penStyle = m_pen.GetStyle();
1812     Pattern pat;
1813     if (penStyle == wxUSER_DASH)
1814     {
1815         // FIXME: there should be exactly 8 items in the dash
1816         wxDash* dash ;
1817         int number = m_pen.GetDashes(&dash) ;
1818         int index = 0;
1819         for ( int i = 0 ; i < 8 ; ++i )
1820         {
1821             pat.pat[i] = dash[index] ;
1822             if (index < number - 1)
1823                 index++;
1824         }
1825     }
1826     else
1827     {
1828         wxMacGetPattern(penStyle, &pat);
1829     }
1830     ::PenPat(&pat);
1831
1832     short mode = patCopy ;
1833     // todo :
1834     switch( m_logicalFunction )
1835     {
1836     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1837         mode = patOr ;
1838         break ;
1839     case wxINVERT:     // NOT dst
1840         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1841         mode = patXor ;
1842         break ;
1843     case wxXOR:        // src XOR dst
1844         mode = patXor ;
1845         break ;
1846     case wxOR_REVERSE: // src OR (NOT dst)
1847         mode = notPatOr ;
1848         break ;
1849     case wxSRC_INVERT: // (NOT src)
1850         mode = notPatCopy ;
1851         break ;
1852     case wxAND: // src AND dst
1853         mode = adMin ;
1854         break ;
1855         // unsupported TODO
1856     case wxCLEAR:      // 0
1857     case wxAND_REVERSE:// src AND (NOT dst)
1858     case wxAND_INVERT: // (NOT src) AND dst
1859     case wxNO_OP:      // dst
1860     case wxNOR:        // (NOT src) AND (NOT dst)
1861     case wxEQUIV:      // (NOT src) XOR dst
1862     case wxOR_INVERT:  // (NOT src) OR dst
1863     case wxNAND:       // (NOT src) OR (NOT dst)
1864     case wxOR:         // src OR dst
1865     case wxSET:        // 1
1866         //        case wxSRC_OR:     // source _bitmap_ OR destination
1867         //        case wxSRC_AND:     // source _bitmap_ AND destination
1868         break ;
1869     }
1870     ::PenMode( mode ) ;
1871     m_macPenInstalled = true ;
1872     m_macBrushInstalled = false ;
1873     m_macFontInstalled = false ;
1874 }
1875
1876 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1877 {
1878     Pattern whiteColor ;
1879     if ( background.Ok() )
1880     {
1881         switch( background.MacGetBrushKind() )
1882         {
1883             case kwxMacBrushTheme :
1884             {
1885                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1886                 break ;
1887             }
1888             case kwxMacBrushThemeBackground :
1889             {
1890                 Rect extent ;
1891                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1892                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1893                 break ;
1894             }
1895             case kwxMacBrushColour :
1896             {
1897                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1898                 int brushStyle = background.GetStyle();
1899                 if (brushStyle == wxSOLID)
1900                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1901                 else if (background.IsHatch())
1902                 {
1903                     Pattern pat ;
1904                     wxMacGetPattern(brushStyle, &pat);
1905                     ::BackPat(&pat);
1906                 }
1907                 else
1908                 {
1909                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1910                 }
1911                 break ;
1912             }
1913         }
1914     }
1915 }
1916
1917 void wxDC::MacInstallBrush() const
1918 {
1919     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1920     Pattern     blackColor ;
1921     //    if ( m_macBrushInstalled )
1922     //        return ;
1923     // foreground
1924     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1925     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1926     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1927     int brushStyle = m_brush.GetStyle();
1928     if (brushStyle == wxSOLID)
1929     {
1930         ::PenPat(GetQDGlobalsBlack(&blackColor));
1931     }
1932     else if (m_brush.IsHatch())
1933     {
1934         Pattern pat ;
1935         wxMacGetPattern(brushStyle, &pat);
1936         ::PenPat(&pat);
1937     }
1938     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1939     {
1940         // we force this in order to be compliant with wxMSW
1941         backgroundTransparent = false ;
1942         // for these the text fore (and back for MASK_OPAQUE) colors are used
1943         wxBitmap* bitmap = m_brush.GetStipple() ;
1944         int width = bitmap->GetWidth() ;
1945         int height = bitmap->GetHeight() ;
1946         GWorldPtr gw = NULL ;
1947         if ( m_brush.GetStyle() == wxSTIPPLE )
1948             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP(NULL))  ;
1949         else
1950             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetHBITMAP()) ;
1951         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
1952         LockPixels( gwpixmaphandle ) ;
1953         bool isMonochrome = !IsPortColor( gw ) ;
1954         if ( !isMonochrome )
1955         {
1956             if ( (**gwpixmaphandle).pixelSize == 1 )
1957                 isMonochrome = true ;
1958         }
1959         if ( isMonochrome && width == 8 && height == 8 )
1960         {
1961             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
1962             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
1963             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
1964             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
1965             int alignment = gwbitmap->rowBytes & 0x7FFF ;
1966             Pattern pat ;
1967             for ( int i = 0 ; i < 8 ; ++i )
1968             {
1969                 pat.pat[i] = gwbits[i*alignment+0] ;
1970             }
1971             UnlockPixels( GetGWorldPixMap( gw ) ) ;
1972             ::PenPat( &pat ) ;
1973         }
1974         else
1975         {
1976             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
1977             // caching scheme before putting this into production
1978             Handle      image;
1979             long        imageSize;
1980             PixPatHandle pixpat = NewPixPat() ;
1981             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
1982             imageSize = GetPixRowBytes((**pixpat).patMap) *
1983                 ((**(**pixpat).patMap).bounds.bottom -
1984                 (**(**pixpat).patMap).bounds.top);
1985             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
1986             (**pixpat).patData = image;
1987             if ( isMonochrome )
1988             {
1989                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
1990                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
1991                 if ( ctspec[0].rgb.red == 0x0000 )
1992                 {
1993                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1994                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
1995                 }
1996                 else
1997                 {
1998                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1999                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2000                 }
2001                 ::CTabChanged( ctable ) ;
2002             }
2003             ::PenPixPat(pixpat);
2004             m_macForegroundPixMap = pixpat ;
2005         }
2006         UnlockPixels( gwpixmaphandle ) ;
2007     }
2008     else
2009     {
2010         ::PenPat(GetQDGlobalsBlack(&blackColor));
2011     }
2012     short mode = patCopy ;
2013     switch( m_logicalFunction )
2014     {
2015     case wxCOPY:       // src
2016         if ( backgroundTransparent )
2017             mode = patOr ;
2018         else
2019             mode = patCopy ;
2020         break ;
2021     case wxINVERT:     // NOT dst
2022         if ( !backgroundTransparent )
2023         {
2024             ::PenPat(GetQDGlobalsBlack(&blackColor));
2025         }
2026         mode = patXor ;
2027         break ;
2028     case wxXOR:        // src XOR dst
2029         mode = patXor ;
2030         break ;
2031     case wxOR_REVERSE: // src OR (NOT dst)
2032         mode = notPatOr ;
2033         break ;
2034     case wxSRC_INVERT: // (NOT src)
2035         mode = notPatCopy ;
2036         break ;
2037     case wxAND: // src AND dst
2038         mode = adMin ;
2039         break ;
2040         // unsupported TODO
2041     case wxCLEAR:      // 0
2042     case wxAND_REVERSE:// src AND (NOT dst)
2043     case wxAND_INVERT: // (NOT src) AND dst
2044     case wxNO_OP:      // dst
2045     case wxNOR:        // (NOT src) AND (NOT dst)
2046     case wxEQUIV:      // (NOT src) XOR dst
2047     case wxOR_INVERT:  // (NOT src) OR dst
2048     case wxNAND:       // (NOT src) OR (NOT dst)
2049     case wxOR:         // src OR dst
2050     case wxSET:        // 1
2051         //        case wxSRC_OR:     // source _bitmap_ OR destination
2052         //        case wxSRC_AND:     // source _bitmap_ AND destination
2053         break ;
2054     }
2055     ::PenMode( mode ) ;
2056     m_macBrushInstalled = true ;
2057     m_macPenInstalled = false ;
2058     m_macFontInstalled = false ;
2059 }
2060
2061 // ---------------------------------------------------------------------------
2062 // coordinates transformations
2063 // ---------------------------------------------------------------------------
2064
2065 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2066 {
2067     return ((wxDC *)this)->XDEV2LOG(x);
2068 }
2069
2070 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2071 {
2072     return ((wxDC *)this)->YDEV2LOG(y);
2073 }
2074
2075 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2076 {
2077     return ((wxDC *)this)->XDEV2LOGREL(x);
2078 }
2079
2080 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2081 {
2082     return ((wxDC *)this)->YDEV2LOGREL(y);
2083 }
2084
2085 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2086 {
2087     return ((wxDC *)this)->XLOG2DEV(x);
2088 }
2089
2090 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2091 {
2092     return ((wxDC *)this)->YLOG2DEV(y);
2093 }
2094
2095 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2096 {
2097     return ((wxDC *)this)->XLOG2DEVREL(x);
2098 }
2099
2100 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2101 {
2102     return ((wxDC *)this)->YLOG2DEVREL(y);
2103 }
2104
2105 #endif // !wxMAC_USE_CORE_GRAPHICS