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 #include "wx/wxprec.h"
  13
  14 #include "wx/dc.h"
  15
  16 #if !wxMAC_USE_CORE_GRAPHICS
  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 #ifdef __MSL__
  26     #if __MSL__ >= 0x6000
  27         namespace std {}
  28         using namespace std ;
  29     #endif
  30 #endif
  31
  32 #include "wx/mac/private.h"
  33 #ifndef __DARWIN__
  34 #include <ATSUnicode.h>
  35 #include <TextCommon.h>
  36 #include <TextEncodingConverter.h>
  37 #endif
  38
  39 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  40
  41 //-----------------------------------------------------------------------------
  42 // constants
  43 //-----------------------------------------------------------------------------
  44
  45 const double RAD2DEG  = 180.0 / M_PI;
  46 const short kEmulatedMode = -1 ;
  47 const short kUnsupportedMode = -2 ;
  48
  49 extern TECObjectRef s_TECNativeCToUnicode ;
  50
  51 // set to 0 if problems arise
  52 #define wxMAC_EXPERIMENTAL_DC 1
  53
  54 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  55     m_ph( (GrafPtr) dc->m_macPort )
  56 {
  57     wxASSERT( dc->Ok() ) ;
  58     m_dc = dc ;
  59     dc->MacSetupPort(&m_ph) ;
  60 }
  61 wxMacPortSetter::~wxMacPortSetter()
  62 {
  63     m_dc->MacCleanupPort(&m_ph) ;
  64 }
  65
  66 #if wxMAC_EXPERIMENTAL_DC
  67 class wxMacFastPortSetter
  68 {
  69 public :
  70     wxMacFastPortSetter( const wxDC *dc )
  71     {
  72         wxASSERT( dc->Ok() ) ;
  73         m_swapped = QDSwapPort( (GrafPtr) dc->m_macPort , &m_oldPort ) ;
  74         m_clipRgn = NewRgn() ;
  75         GetClip( m_clipRgn ) ;
  76         m_dc = dc ;
  77         dc->MacSetupPort( NULL ) ;
  78     }
  79     ~wxMacFastPortSetter()
  80     {
  81         // SetPort( (GrafPtr) m_dc->m_macPort ) ;
  82         SetClip( m_clipRgn ) ;
  83         if ( m_swapped )
  84             SetPort( m_oldPort ) ;
  85         m_dc->MacCleanupPort( NULL ) ;
  86         DisposeRgn( m_clipRgn ) ;
  87     }
  88 private :
  89     bool m_swapped ;
  90     RgnHandle m_clipRgn ;
  91     GrafPtr m_oldPort ;
  92     const wxDC*   m_dc ;
  93 } ;
  94
  95 #else
  96 typedef wxMacPortSetter wxMacFastPortSetter ;
  97 #endif
  98
  99 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 100     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 101 {
 102     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 103     m_formerClip = NewRgn() ;
 104     m_newClip = NewRgn() ;
 105     GetClip( m_formerClip ) ;
 106
 107     if ( win )
 108     {
 109         // guard against half constructed objects, this just leads to a empty clip
 110         if( win->GetPeer() )
 111         {
 112             int x = 0 , y = 0;
 113             win->MacWindowToRootWindow( &x,&y ) ;
 114             // get area including focus rect
 115             CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 116             if ( !EmptyRgn( m_newClip ) )
 117                 OffsetRgn( m_newClip , x , y ) ;
 118         }
 119         SetClip( m_newClip ) ;
 120     }
 121 }
 122
 123 wxMacWindowClipper::~wxMacWindowClipper()
 124 {
 125     SetPort( m_newPort ) ;
 126     SetClip( m_formerClip ) ;
 127     DisposeRgn( m_newClip ) ;
 128     DisposeRgn( m_formerClip ) ;
 129 }
 130
 131 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 132     wxMacWindowClipper( win )
 133 {
 134     // the port is already set at this point
 135     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 136     GetThemeDrawingState( &m_themeDrawingState ) ;
 137 }
 138
 139 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 140 {
 141     SetPort( m_newPort ) ;
 142     SetThemeDrawingState( m_themeDrawingState , true ) ;
 143 }
 144
 145 //-----------------------------------------------------------------------------
 146 // Local functions
 147 //-----------------------------------------------------------------------------
 148 static inline double dmin(double a, double b) { return a < b ? a : b; }
 149 static inline double dmax(double a, double b) { return a > b ? a : b; }
 150 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 151
 152 //-----------------------------------------------------------------------------
 153 // wxDC
 154 //-----------------------------------------------------------------------------
 155 // this function emulates all wx colour manipulations, used to verify the implementation
 156 // by setting the mode in the blitting functions to kEmulatedMode
 157 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 158
 159 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 160 {
 161     switch ( logical_func )
 162     {
 163         case wxAND:        // 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_INVERT: // (NOT src) AND 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 wxAND_REVERSE:// src AND (NOT dst)
 174             dstColor.red = ~dstColor.red & srcColor.red ;
 175             dstColor.green = ~dstColor.green & srcColor.green ;
 176             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 177             break ;
 178         case wxCLEAR:      // 0
 179             dstColor.red = 0 ;
 180             dstColor.green = 0 ;
 181             dstColor.blue = 0 ;
 182             break ;
 183         case wxCOPY:       // src
 184             dstColor.red = srcColor.red ;
 185             dstColor.green = srcColor.green ;
 186             dstColor.blue = srcColor.blue ;
 187             break ;
 188         case wxEQUIV:      // (NOT src) XOR dst
 189             dstColor.red = dstColor.red ^ ~srcColor.red ;
 190             dstColor.green = dstColor.green ^ ~srcColor.green ;
 191             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 192             break ;
 193         case wxINVERT:     // NOT dst
 194             dstColor.red = ~dstColor.red ;
 195             dstColor.green = ~dstColor.green ;
 196             dstColor.blue = ~dstColor.blue ;
 197             break ;
 198         case wxNAND:       // (NOT src) OR (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 wxNOR:        // (NOT src) AND (NOT dst)
 204             dstColor.red = ~dstColor.red & ~srcColor.red ;
 205             dstColor.green = ~dstColor.green & ~srcColor.green ;
 206             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 207             break ;
 208         case wxNO_OP:      // dst
 209             break ;
 210         case wxOR:         // 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_INVERT:  // (NOT src) OR 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 wxOR_REVERSE: // src OR (NOT dst)
 221             dstColor.red = ~dstColor.red | srcColor.red ;
 222             dstColor.green = ~dstColor.green | srcColor.green ;
 223             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 224             break ;
 225         case wxSET:        // 1
 226             dstColor.red = 0xFFFF ;
 227             dstColor.green = 0xFFFF ;
 228             dstColor.blue = 0xFFFF ;
 229             break ;
 230         case wxSRC_INVERT: // (NOT src)
 231             dstColor.red = ~srcColor.red ;
 232             dstColor.green = ~srcColor.green ;
 233             dstColor.blue = ~srcColor.blue ;
 234             break ;
 235         case wxXOR:        // src XOR dst
 236             dstColor.red = dstColor.red ^ srcColor.red ;
 237             dstColor.green = dstColor.green ^ srcColor.green ;
 238             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 239             break ;
 240     }
 241 }
 242
 243 wxDC::wxDC()
 244 {
 245     m_ok = false;
 246     m_colour = true;
 247     m_mm_to_pix_x = mm2pt;
 248     m_mm_to_pix_y = mm2pt;
 249     m_internalDeviceOriginX = 0;
 250     m_internalDeviceOriginY = 0;
 251     m_externalDeviceOriginX = 0;
 252     m_externalDeviceOriginY = 0;
 253     m_logicalScaleX = 1.0;
 254     m_logicalScaleY = 1.0;
 255     m_userScaleX = 1.0;
 256     m_userScaleY = 1.0;
 257     m_scaleX = 1.0;
 258     m_scaleY = 1.0;
 259     m_needComputeScaleX = false;
 260     m_needComputeScaleY = false;
 261     m_macPort = NULL ;
 262     m_macMask = NULL ;
 263     m_ok = false ;
 264     m_macFontInstalled = false ;
 265     m_macBrushInstalled = false ;
 266     m_macPenInstalled = false ;
 267     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 268     m_macBoundaryClipRgn = NewRgn() ;
 269     m_macCurrentClipRgn = NewRgn() ;
 270     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 271     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 272     m_pen = *wxBLACK_PEN;
 273     m_font = *wxNORMAL_FONT;
 274     m_brush = *wxWHITE_BRUSH;
 275 #ifdef __WXDEBUG__
 276     // needed to debug possible errors with two active drawing methods at the same time on
 277     // the same DC
 278     m_macCurrentPortStateHelper = NULL ;
 279 #endif
 280     m_macATSUIStyle = NULL ;
 281     m_macAliasWasEnabled = false;
 282     m_macForegroundPixMap = NULL ;
 283     m_macBackgroundPixMap = NULL ;
 284 }
 285
 286 wxDC::~wxDC(void)
 287 {
 288     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 289     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 290 }
 291
 292 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 293 {
 294 #ifdef __WXDEBUG__
 295     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 296     m_macCurrentPortStateHelper = help ;
 297 #endif
 298     SetClip( (RgnHandle) m_macCurrentClipRgn);
 299 #if ! wxMAC_EXPERIMENTAL_DC
 300     m_macFontInstalled = false ;
 301     m_macBrushInstalled = false ;
 302     m_macPenInstalled = false ;
 303 #endif
 304 }
 305 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 306 {
 307 #ifdef __WXDEBUG__
 308     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 309     m_macCurrentPortStateHelper = NULL ;
 310 #endif
 311     if( m_macATSUIStyle )
 312     {
 313         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 314         m_macATSUIStyle = NULL ;
 315     }
 316     if ( m_macAliasWasEnabled )
 317     {
 318         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 319         m_macAliasWasEnabled = false ;
 320     }
 321     if ( m_macForegroundPixMap )
 322     {
 323         Pattern blackColor ;
 324         ::PenPat(GetQDGlobalsBlack(&blackColor));
 325         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 326         m_macForegroundPixMap = NULL ;
 327     }
 328     if ( m_macBackgroundPixMap )
 329     {
 330         Pattern whiteColor ;
 331         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 332         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 333         m_macBackgroundPixMap = NULL ;
 334     }
 335 }
 336
 337 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 338 {
 339      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 340      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 341      wxMacFastPortSetter helper(this) ;
 342      wxCoord xx = XLOG2DEVMAC(x);
 343      wxCoord yy = YLOG2DEVMAC(y);
 344      wxCoord w = bmp.GetWidth();
 345      wxCoord h = bmp.GetHeight();
 346      wxCoord ww = XLOG2DEVREL(w);
 347      wxCoord hh = YLOG2DEVREL(h);
 348      // Set up drawing mode
 349      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 350                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 351                     //m_logicalFunction == wxSET ? BLACKNESS :
 352                     m_logicalFunction == wxINVERT ? hilite :
 353                    //m_logicalFunction == wxAND ? MERGECOPY :
 354                     m_logicalFunction == wxOR ? srcOr :
 355                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 356                     m_logicalFunction == wxXOR ? srcXor :
 357                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 358                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 359                     //m_logicalFunction == wxSRC_OR ? srcOr :
 360                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 361                     srcCopy );
 362
 363      GWorldPtr    maskworld = NULL ;
 364      GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP((WXHBITMAP*)&maskworld) );
 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 && maskworld )
 387      {
 388          if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld))))
 389          {
 390              CopyDeepMask
 391                  (
 392                   GetPortBitMapForCopyBits(bmapworld),
 393                   GetPortBitMapForCopyBits(MAC_WXHBITMAP(maskworld)),
 394                   GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 395                   &source, &source, &dest, mode, NULL
 396                   );
 397              UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld)));
 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      m_macPenInstalled = false ;
 408      m_macBrushInstalled = false ;
 409      m_macFontInstalled = false ;
 410 }
 411
 412 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 413 {
 414     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 415     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 416     wxMacFastPortSetter helper(this) ;
 417
 418     wxCoord xx = XLOG2DEVMAC(x);
 419     wxCoord yy = YLOG2DEVMAC(y);
 420     wxCoord w = icon.GetWidth();
 421     wxCoord h = icon.GetHeight();
 422     wxCoord ww = XLOG2DEVREL(w);
 423     wxCoord hh = YLOG2DEVREL(h);
 424
 425     Rect r = { yy , xx, yy + hh  , xx + ww } ;
 426     PlotIconRef( &r , kAlignNone , kTransformNone , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
 427 }
 428
 429 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 430 {
 431     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 432     wxCoord xx, yy, ww, hh;
 433     xx = XLOG2DEVMAC(x);
 434     yy = YLOG2DEVMAC(y);
 435     ww = XLOG2DEVREL(width);
 436     hh = YLOG2DEVREL(height);
 437     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 438     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 439     if( m_clipping )
 440     {
 441         m_clipX1 = wxMax( m_clipX1 , xx );
 442         m_clipY1 = wxMax( m_clipY1 , yy );
 443         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 444         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 445     }
 446     else
 447     {
 448         m_clipping = true;
 449         m_clipX1 = xx;
 450         m_clipY1 = yy;
 451         m_clipX2 = xx + ww;
 452         m_clipY2 = yy + hh;
 453     }
 454 }
 455
 456 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 457 {
 458     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 459     wxMacFastPortSetter helper(this) ;
 460     wxCoord x, y, w, h;
 461     region.GetBox( x, y, w, h );
 462     wxCoord xx, yy, ww, hh;
 463     xx = XLOG2DEVMAC(x);
 464     yy = YLOG2DEVMAC(y);
 465     ww = XLOG2DEVREL(w);
 466     hh = YLOG2DEVREL(h);
 467     // if we have a scaling that we cannot map onto native regions
 468     // we must use the box
 469     if ( ww != w || hh != h )
 470     {
 471         wxDC::DoSetClippingRegion( x, y, w, h );
 472     }
 473     else
 474     {
 475         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 476         if ( xx != x || yy != y )
 477         {
 478             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 479         }
 480         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 481         if( m_clipping )
 482         {
 483             m_clipX1 = wxMax( m_clipX1 , xx );
 484             m_clipY1 = wxMax( m_clipY1 , yy );
 485             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 486             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 487         }
 488         else
 489         {
 490             m_clipping = true;
 491             m_clipX1 = xx;
 492             m_clipY1 = yy;
 493             m_clipX2 = xx + ww;
 494             m_clipY2 = yy + hh;
 495         }
 496     }
 497 }
 498
 499 void wxDC::DestroyClippingRegion()
 500 {
 501     wxMacFastPortSetter helper(this) ;
 502     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 503     ResetClipping();
 504 }
 505
 506 void wxDC::DoGetSizeMM( int* width, int* height ) const
 507 {
 508     int w = 0;
 509     int h = 0;
 510     GetSize( &w, &h );
 511     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 512     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 513 }
 514
 515 void wxDC::SetTextForeground( const wxColour &col )
 516 {
 517     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 518     m_textForegroundColour = col;
 519     m_macFontInstalled = false ;
 520 }
 521
 522 void wxDC::SetTextBackground( const wxColour &col )
 523 {
 524     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 525     m_textBackgroundColour = col;
 526     m_macFontInstalled = false ;
 527 }
 528
 529 void wxDC::SetMapMode( int mode )
 530 {
 531     switch (mode)
 532     {
 533     case wxMM_TWIPS:
 534         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 535         break;
 536     case wxMM_POINTS:
 537         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 538         break;
 539     case wxMM_METRIC:
 540         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 541         break;
 542     case wxMM_LOMETRIC:
 543         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 544         break;
 545     default:
 546     case wxMM_TEXT:
 547         SetLogicalScale( 1.0, 1.0 );
 548         break;
 549     }
 550     if (mode != wxMM_TEXT)
 551     {
 552         m_needComputeScaleX = true;
 553         m_needComputeScaleY = true;
 554     }
 555 }
 556
 557 void wxDC::SetUserScale( double x, double y )
 558 {
 559     // allow negative ? -> no
 560     m_userScaleX = x;
 561     m_userScaleY = y;
 562     ComputeScaleAndOrigin();
 563 }
 564
 565 void wxDC::SetLogicalScale( double x, double y )
 566 {
 567     // allow negative ?
 568     m_logicalScaleX = x;
 569     m_logicalScaleY = y;
 570     ComputeScaleAndOrigin();
 571 }
 572
 573 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 574 {
 575     m_logicalOriginX = x * m_signX;   // is this still correct ?
 576     m_logicalOriginY = y * m_signY;
 577     ComputeScaleAndOrigin();
 578 }
 579
 580 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 581 {
 582     m_externalDeviceOriginX = x;
 583     m_externalDeviceOriginY = y;
 584     ComputeScaleAndOrigin();
 585 }
 586
 587 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 588 {
 589     m_signX = (xLeftRight ?  1 : -1);
 590     m_signY = (yBottomUp  ? -1 :  1);
 591     ComputeScaleAndOrigin();
 592 }
 593
 594 wxSize wxDC::GetPPI() const
 595 {
 596     return wxSize(72, 72);
 597 }
 598
 599 int wxDC::GetDepth() const
 600 {
 601     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 602     {
 603         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 604     }
 605     return 1 ;
 606 }
 607
 608 void wxDC::ComputeScaleAndOrigin()
 609 {
 610     // CMB: copy scale to see if it changes
 611     double origScaleX = m_scaleX;
 612     double origScaleY = m_scaleY;
 613     m_scaleX = m_logicalScaleX * m_userScaleX;
 614     m_scaleY = m_logicalScaleY * m_userScaleY;
 615     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 616     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 617     // CMB: if scale has changed call SetPen to recalulate the line width
 618     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 619     {
 620         // this is a bit artificial, but we need to force wxDC to think
 621         // the pen has changed
 622         wxPen pen(GetPen());
 623         m_pen = wxNullPen;
 624         SetPen(pen);
 625     }
 626 }
 627
 628 void  wxDC::SetPalette( const wxPalette& palette )
 629 {
 630 }
 631
 632 void  wxDC::SetBackgroundMode( int mode )
 633 {
 634     m_backgroundMode = mode ;
 635 }
 636
 637 void  wxDC::SetFont( const wxFont &font )
 638 {
 639     m_font = font;
 640     m_macFontInstalled = false ;
 641 }
 642
 643 void  wxDC::SetPen( const wxPen &pen )
 644 {
 645     if ( m_pen == pen )
 646         return ;
 647     m_pen = pen;
 648     m_macPenInstalled = false ;
 649 }
 650
 651 void  wxDC::SetBrush( const wxBrush &brush )
 652 {
 653     if (m_brush == brush)
 654         return;
 655     m_brush = brush;
 656     m_macBrushInstalled = false ;
 657 }
 658
 659 void  wxDC::SetBackground( const wxBrush &brush )
 660 {
 661     if (m_backgroundBrush == brush)
 662         return;
 663     m_backgroundBrush = brush;
 664     if (!m_backgroundBrush.Ok())
 665         return;
 666     m_macBrushInstalled = false ;
 667 }
 668
 669 void  wxDC::SetLogicalFunction( int function )
 670 {
 671     if (m_logicalFunction == function)
 672         return;
 673     m_logicalFunction = function ;
 674     m_macFontInstalled = false ;
 675     m_macBrushInstalled = false ;
 676     m_macPenInstalled = false ;
 677 }
 678
 679 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 680                           const wxColour & col, int style);
 681
 682 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 683                        const wxColour& col, int style)
 684 {
 685     return wxDoFloodFill(this, x, y, col, style);
 686 }
 687
 688 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 689 {
 690     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 691     wxMacFastPortSetter helper(this) ;
 692     RGBColor colour;
 693     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 694     // Convert from Mac colour to wx
 695     col->Set( colour.red   >> 8,
 696         colour.green >> 8,
 697         colour.blue  >> 8);
 698     return true ;
 699 }
 700
 701 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 702 {
 703     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 704     wxMacFastPortSetter helper(this) ;
 705     if (m_pen.GetStyle() != wxTRANSPARENT)
 706     {
 707         MacInstallPen() ;
 708         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 709         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 710         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 711         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 712         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 713         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 714         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 715             (m_pen.GetWidth() <= 1))
 716         {
 717             // Implement LAST_NOT for MAC at least for
 718             // orthogonal lines. RR.
 719             if (xx1 == xx2)
 720             {
 721                 if (yy1 < yy2)
 722                     yy2--;
 723                 if (yy1 > yy2)
 724                     yy2++;
 725             }
 726             if (yy1 == yy2)
 727             {
 728                 if (xx1 < xx2)
 729                     xx2--;
 730                 if (xx1 > xx2)
 731                     xx2++;
 732             }
 733         }
 734         ::MoveTo(xx1, yy1);
 735         ::LineTo(xx2, yy2);
 736     }
 737 }
 738
 739 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 740 {
 741     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 742     wxMacFastPortSetter helper(this) ;
 743     if (m_pen.GetStyle() != wxTRANSPARENT)
 744     {
 745         int w = 0;
 746         int h = 0;
 747         GetSize( &w, &h );
 748         wxCoord xx = XLOG2DEVMAC(x);
 749         wxCoord yy = YLOG2DEVMAC(y);
 750         MacInstallPen();
 751         ::MoveTo( XLOG2DEVMAC(0), yy );
 752         ::LineTo( XLOG2DEVMAC(w), yy );
 753         ::MoveTo( xx, YLOG2DEVMAC(0) );
 754         ::LineTo( xx, YLOG2DEVMAC(h) );
 755         CalcBoundingBox(x, y);
 756         CalcBoundingBox(x+w, y+h);
 757     }
 758 }
 759
 760 /*
 761 * To draw arcs properly the angles need to be converted from the WX style:
 762 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 763 * a normal axis on paper).
 764 * TO
 765 * the Mac style:
 766 * Angles start on the +ve y axis and go clockwise.
 767 */
 768
 769 static double wxConvertWXangleToMACangle(double angle)
 770 {
 771     double newAngle = 90 - angle ;
 772     while ( newAngle > 360 ) newAngle -= 360 ;
 773     while ( newAngle < 0 ) newAngle += 360 ;
 774     return newAngle ;
 775 }
 776
 777 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 778                       wxCoord x2, wxCoord y2,
 779                       wxCoord xc, wxCoord yc )
 780 {
 781     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 782     wxMacFastPortSetter helper(this) ;
 783     wxCoord xx1 = XLOG2DEVMAC(x1);
 784     wxCoord yy1 = YLOG2DEVMAC(y1);
 785     wxCoord xx2 = XLOG2DEVMAC(x2);
 786     wxCoord yy2 = YLOG2DEVMAC(y2);
 787     wxCoord xxc = XLOG2DEVMAC(xc);
 788     wxCoord yyc = YLOG2DEVMAC(yc);
 789     double dx = xx1 - xxc;
 790     double dy = yy1 - yyc;
 791     double radius = sqrt((double)(dx*dx+dy*dy));
 792     wxCoord rad   = (wxCoord)radius;
 793     double radius1, radius2;
 794     if (xx1 == xx2 && yy1 == yy2)
 795     {
 796         radius1 = 0.0;
 797         radius2 = 360.0;
 798     }
 799     else if (radius == 0.0)
 800     {
 801         radius1 = radius2 = 0.0;
 802     }
 803     else
 804     {
 805         radius1 = (xx1 - xxc == 0) ?
 806             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 807         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 808         radius2 = (xx2 - xxc == 0) ?
 809             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 810         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 811     }
 812     wxCoord alpha2 = wxCoord(radius2 - radius1);
 813     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 814     while( alpha2 < 0 ) alpha2 += 360 ;
 815     alpha2 = -alpha2 ;
 816     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 817     if(m_brush.GetStyle() != wxTRANSPARENT) {
 818         MacInstallBrush();
 819         PaintArc(&r, alpha1, alpha2);
 820     }
 821     if(m_pen.GetStyle() != wxTRANSPARENT) {
 822         MacInstallPen();
 823         FrameArc(&r, alpha1, alpha2);
 824     }
 825 }
 826
 827 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 828                               double sa, double ea )
 829 {
 830     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 831     wxMacFastPortSetter helper(this) ;
 832     Rect r;
 833     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 834     // we have to make sure that the filling is always counter-clockwise
 835     if ( angle > 0 )
 836         angle -= 360 ;
 837     wxCoord xx = XLOG2DEVMAC(x);
 838     wxCoord yy = YLOG2DEVMAC(y);
 839     wxCoord ww = m_signX * XLOG2DEVREL(w);
 840     wxCoord hh = m_signY * YLOG2DEVREL(h);
 841     // handle -ve width and/or height
 842     if (ww < 0) { ww = -ww; xx = xx - ww; }
 843     if (hh < 0) { hh = -hh; yy = yy - hh; }
 844     sa = wxConvertWXangleToMACangle(sa);
 845     r.top    = yy;
 846     r.left   = xx;
 847     r.bottom = yy + hh;
 848     r.right  = xx + ww;
 849     if(m_brush.GetStyle() != wxTRANSPARENT) {
 850         MacInstallBrush();
 851         PaintArc(&r, (short)sa, (short)angle);
 852     }
 853     if(m_pen.GetStyle() != wxTRANSPARENT) {
 854         MacInstallPen();
 855         FrameArc(&r, (short)sa, (short)angle);
 856     }
 857 }
 858
 859 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 860 {
 861     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 862     wxMacFastPortSetter helper(this) ;
 863     if (m_pen.GetStyle() != wxTRANSPARENT)
 864     {
 865         wxCoord xx1 = XLOG2DEVMAC(x);
 866         wxCoord yy1 = YLOG2DEVMAC(y);
 867         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 868         ::SetCPixel( xx1,yy1,&pencolor) ;
 869         CalcBoundingBox(x, y);
 870     }
 871 }
 872
 873 void  wxDC::DoDrawLines(int n, wxPoint points[],
 874                         wxCoord xoffset, wxCoord yoffset)
 875 {
 876     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 877     wxMacFastPortSetter helper(this) ;
 878     if (m_pen.GetStyle() == wxTRANSPARENT)
 879         return;
 880     MacInstallPen() ;
 881     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 882     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 883     wxCoord x1, x2 , y1 , y2 ;
 884     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 885     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 886     ::MoveTo(x1 - offset, y1 - offset );
 887     for (int i = 0; i < n-1; i++)
 888     {
 889         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 890         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 891         ::LineTo( x2 - offset, y2 - offset );
 892     }
 893 }
 894
 895 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 896                           wxCoord xoffset, wxCoord yoffset,
 897                           int fillStyle )
 898 {
 899     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 900     wxMacFastPortSetter helper(this) ;
 901     wxCoord x1, x2 , y1 , y2 ;
 902     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 903         return ;
 904     PolyHandle polygon = OpenPoly();
 905     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 906     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 907     ::MoveTo(x1,y1);
 908     for (int i = 1; i < n; i++)
 909     {
 910         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 911         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 912         ::LineTo(x2, y2);
 913     }
 914     // close the polyline if necessary
 915     if ( x1 != x2 || y1 != y2 )
 916     {
 917         ::LineTo(x1,y1 ) ;
 918     }
 919     ClosePoly();
 920     if (m_brush.GetStyle() != wxTRANSPARENT)
 921     {
 922         MacInstallBrush();
 923         ::PaintPoly( polygon );
 924     }
 925     if (m_pen.GetStyle() != wxTRANSPARENT)
 926     {
 927         MacInstallPen() ;
 928         ::FramePoly( polygon ) ;
 929     }
 930     KillPoly( polygon );
 931 }
 932
 933 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 934 {
 935     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 936     wxMacFastPortSetter helper(this) ;
 937     wxCoord xx = XLOG2DEVMAC(x);
 938     wxCoord yy = YLOG2DEVMAC(y);
 939     wxCoord ww = m_signX * XLOG2DEVREL(width);
 940     wxCoord hh = m_signY * YLOG2DEVREL(height);
 941     // CMB: draw nothing if transformed w or h is 0
 942     if (ww == 0 || hh == 0)
 943         return;
 944     // CMB: handle -ve width and/or height
 945     if (ww < 0)
 946     {
 947         ww = -ww;
 948         xx = xx - ww;
 949     }
 950     if (hh < 0)
 951     {
 952         hh = -hh;
 953         yy = yy - hh;
 954     }
 955     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 956     if (m_brush.GetStyle() != wxTRANSPARENT)
 957     {
 958         MacInstallBrush() ;
 959         ::PaintRect( &rect ) ;
 960     }
 961     if (m_pen.GetStyle() != wxTRANSPARENT)
 962     {
 963         MacInstallPen() ;
 964         ::FrameRect( &rect ) ;
 965     }
 966 }
 967
 968 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 969                                    wxCoord width, wxCoord height,
 970                                    double radius)
 971 {
 972     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 973     wxMacFastPortSetter helper(this) ;
 974     if (radius < 0.0)
 975         radius = - radius * ((width < height) ? width : height);
 976     wxCoord xx = XLOG2DEVMAC(x);
 977     wxCoord yy = YLOG2DEVMAC(y);
 978     wxCoord ww = m_signX * XLOG2DEVREL(width);
 979     wxCoord hh = m_signY * YLOG2DEVREL(height);
 980     // CMB: draw nothing if transformed w or h is 0
 981     if (ww == 0 || hh == 0)
 982         return;
 983     // CMB: handle -ve width and/or height
 984     if (ww < 0)
 985     {
 986         ww = -ww;
 987         xx = xx - ww;
 988     }
 989     if (hh < 0)
 990     {
 991         hh = -hh;
 992         yy = yy - hh;
 993     }
 994     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 995     if (m_brush.GetStyle() != wxTRANSPARENT)
 996     {
 997         MacInstallBrush() ;
 998         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 999     }
1000     if (m_pen.GetStyle() != wxTRANSPARENT)
1001     {
1002         MacInstallPen() ;
1003         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1004     }
1005 }
1006
1007 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1008 {
1009     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1010     wxMacFastPortSetter helper(this) ;
1011     wxCoord xx = XLOG2DEVMAC(x);
1012     wxCoord yy = YLOG2DEVMAC(y);
1013     wxCoord ww = m_signX * XLOG2DEVREL(width);
1014     wxCoord hh = m_signY * YLOG2DEVREL(height);
1015     // CMB: draw nothing if transformed w or h is 0
1016     if (ww == 0 || hh == 0)
1017         return;
1018     // CMB: handle -ve width and/or height
1019     if (ww < 0)
1020     {
1021         ww = -ww;
1022         xx = xx - ww;
1023     }
1024     if (hh < 0)
1025     {
1026         hh = -hh;
1027         yy = yy - hh;
1028     }
1029     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1030     if (m_brush.GetStyle() != wxTRANSPARENT)
1031     {
1032         MacInstallBrush() ;
1033         ::PaintOval( &rect ) ;
1034     }
1035     if (m_pen.GetStyle() != wxTRANSPARENT)
1036     {
1037         MacInstallPen() ;
1038         ::FrameOval( &rect ) ;
1039     }
1040 }
1041
1042 bool  wxDC::CanDrawBitmap(void) const
1043 {
1044     return true ;
1045 }
1046
1047 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1048                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1049                    wxCoord xsrcMask,  wxCoord ysrcMask )
1050 {
1051     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1052     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1053     if ( logical_func == wxNO_OP )
1054         return true ;
1055     if (xsrcMask == -1 && ysrcMask == -1)
1056     {
1057         xsrcMask = xsrc; ysrcMask = ysrc;
1058     }
1059     // correct the parameter in case this dc does not have a mask at all
1060     if ( useMask && !source->m_macMask )
1061         useMask = false ;
1062     Rect srcrect , dstrect ;
1063     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1064     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1065     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1066     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1067     dstrect.top = YLOG2DEVMAC(ydest) ;
1068     dstrect.left = XLOG2DEVMAC(xdest) ;
1069     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1070     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1071     short mode = kUnsupportedMode ;
1072     bool invertDestinationFirst = false ;
1073     switch ( logical_func )
1074     {
1075     case wxAND:        // src AND dst
1076         mode = adMin ; // ok
1077         break ;
1078     case wxAND_INVERT: // (NOT src) AND dst
1079         mode = notSrcOr  ; // ok
1080         break ;
1081     case wxAND_REVERSE:// src AND (NOT dst)
1082         invertDestinationFirst = true ;
1083         mode = srcOr ;
1084         break ;
1085     case wxCLEAR:      // 0
1086         mode = kEmulatedMode ;
1087         break ;
1088     case wxCOPY:       // src
1089         mode = srcCopy ; // ok
1090         break ;
1091     case wxEQUIV:      // (NOT src) XOR dst
1092         mode = srcXor ; // ok
1093         break ;
1094     case wxINVERT:     // NOT dst
1095         mode = kEmulatedMode ; //or hilite ;
1096         break ;
1097     case wxNAND:       // (NOT src) OR (NOT dst)
1098         invertDestinationFirst = true ;
1099         mode = srcBic ;
1100         break ;
1101     case wxNOR:        // (NOT src) AND (NOT dst)
1102         invertDestinationFirst = true ;
1103         mode = notSrcOr ;
1104         break ;
1105     case wxNO_OP:      // dst
1106         mode = kEmulatedMode ; // this has already been handled upon entry
1107         break ;
1108     case wxOR:         // src OR dst
1109         mode = notSrcBic ;
1110         break ;
1111     case wxOR_INVERT:  // (NOT src) OR dst
1112         mode = srcBic ;
1113         break ;
1114     case wxOR_REVERSE: // src OR (NOT dst)
1115         invertDestinationFirst = true ;
1116         mode = notSrcBic ;
1117         break ;
1118     case wxSET:        // 1
1119         mode = kEmulatedMode ;
1120         break ;
1121     case wxSRC_INVERT: // (NOT src)
1122         mode = notSrcCopy ; // ok
1123         break ;
1124     case wxXOR:        // src XOR dst
1125         mode = notSrcXor ; // ok
1126         break ;
1127     default :
1128         break ;
1129     }
1130     if ( mode == kUnsupportedMode )
1131     {
1132         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1133         return false ;
1134     }
1135     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1136     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1137     if ( LockPixels(bmappixels) )
1138     {
1139         wxMacFastPortSetter helper(this) ;
1140         if ( source->GetDepth() == 1 )
1141         {
1142             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1143             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1144         }
1145         else
1146         {
1147             // the modes need this, otherwise we'll end up having really nice colors...
1148             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1149             RGBColor    black = { 0,0,0} ;
1150             RGBForeColor( &black ) ;
1151             RGBBackColor( &white ) ;
1152         }
1153         if ( useMask && source->m_macMask )
1154         {
1155             if ( mode == srcCopy )
1156             {
1157                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1158                 {
1159                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1160                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1161                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1162                         &srcrect, &srcrect , &dstrect ) ;
1163                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1164                 }
1165             }
1166             else
1167             {
1168                 RgnHandle clipRgn = NewRgn() ;
1169                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1170                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1171                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1172                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1173                 if ( mode == kEmulatedMode )
1174                 {
1175                     Pattern pat ;
1176                     ::PenPat(GetQDGlobalsBlack(&pat));
1177                     if ( logical_func == wxSET )
1178                     {
1179                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1180                         ::RGBForeColor( &col  ) ;
1181                         ::PaintRgn( clipRgn ) ;
1182                     }
1183                     else if ( logical_func == wxCLEAR )
1184                     {
1185                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1186                         ::RGBForeColor( &col  ) ;
1187                         ::PaintRgn( clipRgn ) ;
1188                     }
1189                     else if ( logical_func == wxINVERT )
1190                     {
1191                         MacInvertRgn( clipRgn ) ;
1192                     }
1193                     else
1194                     {
1195                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1196                         {
1197                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1198                             {
1199                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1200                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1201                                 if ( PtInRgn( dstPoint , clipRgn ) )
1202                                 {
1203                                     RGBColor srcColor ;
1204                                     RGBColor dstColor ;
1205                                     SetPort( (GrafPtr) sourcePort ) ;
1206                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1207                                     SetPort( (GrafPtr) m_macPort ) ;
1208                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1209                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1210                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1211                                 }
1212                             }
1213                         }
1214                     }
1215                 }
1216                 else
1217                 {
1218                     if ( invertDestinationFirst )
1219                     {
1220                         MacInvertRgn( clipRgn ) ;
1221                     }
1222                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1223                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1224                         &srcrect, &dstrect, mode, clipRgn ) ;
1225                 }
1226                 DisposeRgn( clipRgn ) ;
1227             }
1228         }
1229         else
1230         {
1231             RgnHandle clipRgn = NewRgn() ;
1232             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1233             if ( mode == kEmulatedMode )
1234             {
1235                 Pattern pat ;
1236                 ::PenPat(GetQDGlobalsBlack(&pat));
1237                 if ( logical_func == wxSET )
1238                 {
1239                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1240                     ::RGBForeColor( &col  ) ;
1241                     ::PaintRgn( clipRgn ) ;
1242                 }
1243                 else if ( logical_func == wxCLEAR )
1244                 {
1245                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1246                     ::RGBForeColor( &col  ) ;
1247                     ::PaintRgn( clipRgn ) ;
1248                 }
1249                 else if ( logical_func == wxINVERT )
1250                 {
1251                     MacInvertRgn( clipRgn ) ;
1252                 }
1253                 else
1254                 {
1255                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1256                     {
1257                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1258                         {
1259                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1260                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1261                             {
1262                                 RGBColor srcColor ;
1263                                 RGBColor dstColor ;
1264                                 SetPort( (GrafPtr) sourcePort ) ;
1265                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1266                                 SetPort( (GrafPtr) m_macPort ) ;
1267                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1268                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1269                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1270                             }
1271                         }
1272                     }
1273                 }
1274             }
1275             else
1276             {
1277                 if ( invertDestinationFirst )
1278                 {
1279                     MacInvertRgn( clipRgn ) ;
1280                 }
1281                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1282                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1283                     &srcrect, &dstrect, mode, NULL ) ;
1284             }
1285             DisposeRgn( clipRgn ) ;
1286         }
1287         UnlockPixels( bmappixels ) ;
1288     }
1289     m_macPenInstalled = false ;
1290     m_macBrushInstalled = false ;
1291     m_macFontInstalled = false ;
1292     return true;
1293 }
1294
1295 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1296                               double angle)
1297 {
1298     // TODO support text background color (only possible by hand, ATSUI does not support it)
1299     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1300
1301     if ( str.Length() == 0 )
1302         return ;
1303
1304     wxMacFastPortSetter helper(this) ;
1305     MacInstallFont() ;
1306
1307     if ( 0 )
1308     {
1309         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1310         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1311         m_macAliasWasEnabled = true ;
1312     }
1313     OSStatus status = noErr ;
1314     ATSUTextLayout atsuLayout ;
1315     UniCharCount chars = str.Length() ;
1316     UniChar* ubuf = NULL ;
1317 #if SIZEOF_WCHAR_T == 4
1318     wxMBConvUTF16 converter ;
1319 #if wxUSE_UNICODE
1320     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1321     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1322     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1323 #else
1324     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1325     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1326     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1327     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1328 #endif
1329     chars = unicharlen / 2 ;
1330 #else
1331 #if wxUSE_UNICODE
1332     ubuf = (UniChar*) str.wc_str() ;
1333 #else
1334     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1335     chars = wxWcslen( wchar.data() ) ;
1336     ubuf = (UniChar*) wchar.data() ;
1337 #endif
1338 #endif
1339
1340     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1341         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1342
1343     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1344
1345     status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
1346     wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1347
1348     int iAngle = int( angle );
1349     int drawX = XLOG2DEVMAC(x) ;
1350     int drawY = YLOG2DEVMAC(y) ;
1351
1352     ATSUTextMeasurement textBefore ;
1353     ATSUTextMeasurement textAfter ;
1354     ATSUTextMeasurement ascent ;
1355     ATSUTextMeasurement descent ;
1356
1357
1358     if ( abs(iAngle) > 0 )
1359     {
1360         Fixed atsuAngle = IntToFixed( iAngle ) ;
1361         ATSUAttributeTag atsuTags[] =
1362         {
1363             kATSULineRotationTag ,
1364         } ;
1365         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1366         {
1367             sizeof( Fixed ) ,
1368         } ;
1369         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1370         {
1371             &atsuAngle ,
1372         } ;
1373         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1374             atsuTags, atsuSizes, atsuValues ) ;
1375     }
1376     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1377         &textBefore , &textAfter, &ascent , &descent );
1378
1379     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1380     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1381     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1382         IntToFixed(drawX) , IntToFixed(drawY) );
1383     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1384     Rect rect ;
1385     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1386         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1387     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1388     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1389     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1390     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1391     ::ATSUDisposeTextLayout(atsuLayout);
1392 #if SIZEOF_WCHAR_T == 4
1393     free( ubuf ) ;
1394 #endif
1395 }
1396
1397 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1398 {
1399     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1400
1401     wxMacFastPortSetter helper(this) ;
1402     long xx = XLOG2DEVMAC(x);
1403     long yy = YLOG2DEVMAC(y);
1404 #if TARGET_CARBON
1405     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1406     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1407         useDrawThemeText = false ;
1408 #endif
1409     MacInstallFont() ;
1410
1411     FontInfo fi ;
1412     ::GetFontInfo( &fi ) ;
1413 #if TARGET_CARBON
1414     if ( !useDrawThemeText )
1415 #endif
1416         yy += fi.ascent ;
1417     ::MoveTo( xx , yy );
1418     if (  m_backgroundMode == wxTRANSPARENT )
1419     {
1420         ::TextMode( srcOr) ;
1421     }
1422     else
1423     {
1424         ::TextMode( srcCopy ) ;
1425     }
1426     int line = 0 ;
1427     {
1428         wxString linetext = strtext ;
1429 #if TARGET_CARBON
1430         if ( useDrawThemeText )
1431         {
1432             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1433             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1434
1435             if ( m_backgroundMode != wxTRANSPARENT )
1436             {
1437                 Point bounds={0,0} ;
1438                 Rect background = frame ;
1439                 SInt16 baseline ;
1440                 ::GetThemeTextDimensions( mString,
1441                     m_font.MacGetThemeFontID() ,
1442                     kThemeStateActive,
1443                     false,
1444                     &bounds,
1445                     &baseline );
1446                 background.right = background.left + bounds.h ;
1447                 background.bottom = background.top + bounds.v ;
1448                 ::EraseRect( &background ) ;
1449             }
1450             ::DrawThemeTextBox( mString,
1451                 m_font.MacGetThemeFontID() ,
1452                 kThemeStateActive,
1453                 false,
1454                 &frame,
1455                 teJustLeft,
1456                 nil );
1457         }
1458         else
1459 #endif
1460         {
1461             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1462             ::DrawText( text , 0 , strlen(text) ) ;
1463          }
1464     }
1465     ::TextMode( srcOr ) ;
1466 }
1467
1468 bool  wxDC::CanGetTextExtent() const
1469 {
1470     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1471     return true ;
1472 }
1473
1474 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1475                             wxCoord *descent, wxCoord *externalLeading ,
1476                             wxFont *theFont ) const
1477 {
1478     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1479     wxMacFastPortSetter helper(this) ;
1480     wxFont formerFont = m_font ;
1481     if ( theFont )
1482     {
1483         // work around the constness
1484         *((wxFont*)(&m_font)) = *theFont ;
1485     }
1486     MacInstallFont() ;
1487     FontInfo fi ;
1488     ::GetFontInfo( &fi ) ;
1489 #if TARGET_CARBON
1490     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1491     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1492         useGetThemeText = false ;
1493 #endif
1494     if ( height )
1495         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1496     if ( descent )
1497         *descent =YDEV2LOGREL( fi.descent );
1498     if ( externalLeading )
1499         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1500
1501     int curwidth = 0 ;
1502     if ( width )
1503     {
1504         *width = 0 ;
1505         wxString linetext = strtext ;
1506
1507         if ( useGetThemeText )
1508         {
1509             Point bounds={0,0} ;
1510             SInt16 baseline ;
1511             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1512             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1513             ::GetThemeTextDimensions( mString,
1514                 themeFont ,
1515                 kThemeStateActive,
1516                 false,
1517                 &bounds,
1518                 &baseline );
1519             curwidth = bounds.h ;
1520         }
1521         else
1522         {
1523             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1524             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1525         }
1526         if ( curwidth > *width )
1527             *width = XDEV2LOGREL( curwidth ) ;
1528     }
1529     if ( theFont )
1530     {
1531         // work around the constness
1532         *((wxFont*)(&m_font)) = formerFont ;
1533         m_macFontInstalled = false ;
1534     }
1535 }
1536
1537
1538 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1539 {
1540     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1541
1542     widths.Empty();
1543     widths.Add(0, text.Length());
1544
1545     if (text.Length() == 0)
1546         return false;
1547
1548     wxMacFastPortSetter helper(this) ;
1549     MacInstallFont() ;
1550 #if TARGET_CARBON
1551     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1552     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1553         useGetThemeText = false ;
1554
1555     if ( useGetThemeText )
1556     {
1557         // If anybody knows how to do this more efficiently yet still handle
1558         // the fractional glyph widths that may be present when using AA
1559         // fonts, please change it.  Currently it is measuring from the
1560         // begining of the string for each succeding substring, which is much
1561         // slower than this should be.
1562         for (size_t i=0; i<text.Length(); i++)
1563         {
1564             wxString str(text.Left(i+1));
1565             Point bounds = {0,0};
1566             SInt16 baseline ;
1567             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1568             ::GetThemeTextDimensions( mString,
1569                                       m_font.MacGetThemeFontID(),
1570                                       kThemeStateActive,
1571                                       false,
1572                                       &bounds,
1573                                       &baseline );
1574             widths[i] = XDEV2LOGREL(bounds.h);
1575         }
1576     }
1577     else
1578 #endif
1579     {
1580         wxCharBuffer buff = text.mb_str(wxConvLocal);
1581         size_t len = strlen(buff);
1582         short* measurements = new short[len+1];
1583         MeasureText(len, buff.data(), measurements);
1584
1585         // Copy to widths, starting at measurements[1]
1586         // NOTE: this doesn't take into account any multi-byte characters
1587         // in buff, it probabkly should...
1588         for (size_t i=0; i<text.Length(); i++)
1589             widths[i] = XDEV2LOGREL(measurements[i+1]);
1590
1591         delete [] measurements;
1592     }
1593
1594     return true;
1595 }
1596
1597
1598
1599 wxCoord   wxDC::GetCharWidth(void) const
1600 {
1601     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1602     wxMacFastPortSetter helper(this) ;
1603     MacInstallFont() ;
1604     int width = 0 ;
1605 #if TARGET_CARBON
1606     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1607     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1608         useGetThemeText = false ;
1609 #endif
1610     char text[] = "g" ;
1611 #if TARGET_CARBON
1612     if ( useGetThemeText )
1613     {
1614         Point bounds={0,0} ;
1615         SInt16 baseline ;
1616         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1617         ::GetThemeTextDimensions( mString,
1618             m_font.MacGetThemeFontID(),
1619             kThemeStateActive,
1620             false,
1621             &bounds,
1622             &baseline );
1623         CFRelease( mString ) ;
1624         width = bounds.h ;
1625     }
1626     else
1627 #endif
1628     {
1629         width = ::TextWidth( text , 0 , 1 ) ;
1630     }
1631     return YDEV2LOGREL(width) ;
1632 }
1633
1634 wxCoord   wxDC::GetCharHeight(void) const
1635 {
1636     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1637     wxMacFastPortSetter helper(this) ;
1638     MacInstallFont() ;
1639     FontInfo fi ;
1640     ::GetFontInfo( &fi ) ;
1641     return YDEV2LOGREL( fi.descent + fi.ascent );
1642 }
1643
1644 void  wxDC::Clear(void)
1645 {
1646     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1647     wxMacFastPortSetter helper(this) ;
1648     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1649     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1650     {
1651         ::PenNormal() ;
1652         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1653         ::EraseRect( &rect ) ;
1654     }
1655 }
1656
1657 void wxDC::MacInstallFont() const
1658 {
1659     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1660     //    if ( m_macFontInstalled )
1661     //        return ;
1662     Pattern blackColor ;
1663     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1664     if ( m_backgroundMode != wxTRANSPARENT )
1665     {
1666         Pattern whiteColor ;
1667         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1668     }
1669
1670     wxASSERT( m_font.Ok() ) ;
1671
1672
1673     ::TextFont( m_font.MacGetFontNum() ) ;
1674     ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1675     ::TextFace( m_font.MacGetFontStyle() ) ;
1676     m_macFontInstalled = true ;
1677     m_macBrushInstalled = false ;
1678     m_macPenInstalled = false ;
1679     RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1680     RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1681     ::RGBForeColor( &forecolor );
1682     ::RGBBackColor( &backcolor );
1683
1684     short mode = patCopy ;
1685     // todo :
1686     switch( m_logicalFunction )
1687     {
1688     case wxCOPY:       // src
1689         mode = patCopy ;
1690         break ;
1691     case wxINVERT:     // NOT dst
1692         ::PenPat(GetQDGlobalsBlack(&blackColor));
1693         mode = patXor ;
1694         break ;
1695     case wxXOR:        // src XOR dst
1696         mode = patXor ;
1697         break ;
1698     case wxOR_REVERSE: // src OR (NOT dst)
1699         mode = notPatOr ;
1700         break ;
1701     case wxSRC_INVERT: // (NOT src)
1702         mode = notPatCopy ;
1703         break ;
1704     case wxAND: // src AND dst
1705         mode = adMin ;
1706         break ;
1707         // unsupported TODO
1708     case wxCLEAR:      // 0
1709     case wxAND_REVERSE:// src AND (NOT dst)
1710     case wxAND_INVERT: // (NOT src) AND dst
1711     case wxNO_OP:      // dst
1712     case wxNOR:        // (NOT src) AND (NOT dst)
1713     case wxEQUIV:      // (NOT src) XOR dst
1714     case wxOR_INVERT:  // (NOT src) OR dst
1715     case wxNAND:       // (NOT src) OR (NOT dst)
1716     case wxOR:         // src OR dst
1717     case wxSET:        // 1
1718         //        case wxSRC_OR:     // source _bitmap_ OR destination
1719         //        case wxSRC_AND:     // source _bitmap_ AND destination
1720         break ;
1721     }
1722     ::PenMode( mode ) ;
1723     OSStatus status = noErr ;
1724     status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1725     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1726
1727     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1728     ATSUAttributeTag atsuTags[] =
1729     {
1730             kATSUSizeTag ,
1731     } ;
1732     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1733     {
1734             sizeof( Fixed ) ,
1735     } ;
1736 //    Boolean kTrue = true ;
1737 //    Boolean kFalse = false ;
1738
1739 //    ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1740     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1741     {
1742             &atsuSize ,
1743     } ;
1744     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1745         atsuTags, atsuSizes, atsuValues);
1746
1747     wxASSERT_MSG( status == noErr , wxT("couldn't Modify ATSU style") ) ;
1748
1749 }
1750
1751 Pattern gPatterns[] =
1752 {   // hatch patterns
1753     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1754     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1755     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1756     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1757     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1758     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1759     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1760     // dash patterns
1761     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1762     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1763     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1764     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1765 } ;
1766
1767 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1768 {
1769     int index = 0;  // solid pattern by default
1770     switch(penStyle)
1771     {
1772         // hatches
1773         case wxBDIAGONAL_HATCH:     index = 1; break;
1774         case wxFDIAGONAL_HATCH:     index = 2; break;
1775         case wxCROSS_HATCH:         index = 3; break;
1776         case wxHORIZONTAL_HATCH:    index = 4; break;
1777         case wxVERTICAL_HATCH:      index = 5; break;
1778         case wxCROSSDIAG_HATCH:     index = 6; break;
1779         // dashes
1780         case wxDOT:                 index = 7; break;
1781         case wxLONG_DASH:           index = 8; break;
1782         case wxSHORT_DASH:          index = 9; break;
1783         case wxDOT_DASH:            index = 10; break;
1784     }
1785     *pattern = gPatterns[index];
1786 }
1787
1788 void wxDC::MacInstallPen() const
1789 {
1790     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1791     //Pattern     blackColor;
1792     //    if ( m_macPenInstalled )
1793     //        return ;
1794     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1795     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1796     ::RGBForeColor( &forecolor );
1797     ::RGBBackColor( &backcolor );
1798     ::PenNormal() ;
1799     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1800     // null means only one pixel, at whatever resolution
1801     if ( penWidth == 0 )
1802         penWidth = 1 ;
1803     ::PenSize(penWidth, penWidth);
1804
1805     int penStyle = m_pen.GetStyle();
1806     Pattern pat;
1807     if (penStyle == wxUSER_DASH)
1808     {
1809         // FIXME: there should be exactly 8 items in the dash
1810         wxDash* dash ;
1811         int number = m_pen.GetDashes(&dash) ;
1812         int index = 0;
1813         for ( int i = 0 ; i < 8 ; ++i )
1814         {
1815             pat.pat[i] = dash[index] ;
1816             if (index < number - 1)
1817                 index++;
1818         }
1819     }
1820     else
1821     {
1822         wxMacGetPattern(penStyle, &pat);
1823     }
1824     ::PenPat(&pat);
1825
1826     short mode = patCopy ;
1827     // todo :
1828     switch( m_logicalFunction )
1829     {
1830     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1831         mode = patOr ;
1832         break ;
1833     case wxINVERT:     // NOT dst
1834         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1835         mode = patXor ;
1836         break ;
1837     case wxXOR:        // src XOR dst
1838         mode = patXor ;
1839         break ;
1840     case wxOR_REVERSE: // src OR (NOT dst)
1841         mode = notPatOr ;
1842         break ;
1843     case wxSRC_INVERT: // (NOT src)
1844         mode = notPatCopy ;
1845         break ;
1846     case wxAND: // src AND dst
1847         mode = adMin ;
1848         break ;
1849         // unsupported TODO
1850     case wxCLEAR:      // 0
1851     case wxAND_REVERSE:// src AND (NOT dst)
1852     case wxAND_INVERT: // (NOT src) AND dst
1853     case wxNO_OP:      // dst
1854     case wxNOR:        // (NOT src) AND (NOT dst)
1855     case wxEQUIV:      // (NOT src) XOR dst
1856     case wxOR_INVERT:  // (NOT src) OR dst
1857     case wxNAND:       // (NOT src) OR (NOT dst)
1858     case wxOR:         // src OR dst
1859     case wxSET:        // 1
1860         //        case wxSRC_OR:     // source _bitmap_ OR destination
1861         //        case wxSRC_AND:     // source _bitmap_ AND destination
1862         break ;
1863     }
1864     ::PenMode( mode ) ;
1865     m_macPenInstalled = true ;
1866     m_macBrushInstalled = false ;
1867     m_macFontInstalled = false ;
1868 }
1869
1870 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1871 {
1872     Pattern whiteColor ;
1873     if ( background.Ok() )
1874     {
1875         switch( background.MacGetBrushKind() )
1876         {
1877             case kwxMacBrushTheme :
1878             {
1879                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1880                 break ;
1881             }
1882             case kwxMacBrushThemeBackground :
1883             {
1884                 Rect extent ;
1885                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1886                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1887                 break ;
1888             }
1889             case kwxMacBrushColour :
1890             {
1891                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1892                 int brushStyle = background.GetStyle();
1893                 if (brushStyle == wxSOLID)
1894                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1895                 else if (background.IsHatch())
1896                 {
1897                     Pattern pat ;
1898                     wxMacGetPattern(brushStyle, &pat);
1899                     ::BackPat(&pat);
1900                 }
1901                 else
1902                 {
1903                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1904                 }
1905                 break ;
1906             }
1907         }
1908     }
1909 }
1910
1911 void wxDC::MacInstallBrush() const
1912 {
1913     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1914     Pattern     blackColor ;
1915     //    if ( m_macBrushInstalled )
1916     //        return ;
1917     // foreground
1918     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1919     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1920     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1921     int brushStyle = m_brush.GetStyle();
1922     if (brushStyle == wxSOLID)
1923     {
1924         ::PenPat(GetQDGlobalsBlack(&blackColor));
1925     }
1926     else if (m_brush.IsHatch())
1927     {
1928         Pattern pat ;
1929         wxMacGetPattern(brushStyle, &pat);
1930         ::PenPat(&pat);
1931     }
1932     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1933     {
1934         // we force this in order to be compliant with wxMSW
1935         backgroundTransparent = false ;
1936         // for these the text fore (and back for MASK_OPAQUE) colors are used
1937         wxBitmap* bitmap = m_brush.GetStipple() ;
1938         int width = bitmap->GetWidth() ;
1939         int height = bitmap->GetHeight() ;
1940         GWorldPtr gw = NULL ;
1941         if ( m_brush.GetStyle() == wxSTIPPLE )
1942             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP(NULL))  ;
1943         else
1944             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetHBITMAP()) ;
1945         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
1946         LockPixels( gwpixmaphandle ) ;
1947         bool isMonochrome = !IsPortColor( gw ) ;
1948         if ( !isMonochrome )
1949         {
1950             if ( (**gwpixmaphandle).pixelSize == 1 )
1951                 isMonochrome = true ;
1952         }
1953         if ( isMonochrome && width == 8 && height == 8 )
1954         {
1955             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
1956             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
1957             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
1958             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
1959             int alignment = gwbitmap->rowBytes & 0x7FFF ;
1960             Pattern pat ;
1961             for ( int i = 0 ; i < 8 ; ++i )
1962             {
1963                 pat.pat[i] = gwbits[i*alignment+0] ;
1964             }
1965             UnlockPixels( GetGWorldPixMap( gw ) ) ;
1966             ::PenPat( &pat ) ;
1967         }
1968         else
1969         {
1970             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
1971             // caching scheme before putting this into production
1972             Handle      image;
1973             long        imageSize;
1974             PixPatHandle pixpat = NewPixPat() ;
1975             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
1976             imageSize = GetPixRowBytes((**pixpat).patMap) *
1977                 ((**(**pixpat).patMap).bounds.bottom -
1978                 (**(**pixpat).patMap).bounds.top);
1979             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
1980             (**pixpat).patData = image;
1981             if ( isMonochrome )
1982             {
1983                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
1984                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
1985                 if ( ctspec[0].rgb.red == 0x0000 )
1986                 {
1987                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1988                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
1989                 }
1990                 else
1991                 {
1992                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
1993                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
1994                 }
1995                 ::CTabChanged( ctable ) ;
1996             }
1997             ::PenPixPat(pixpat);
1998             m_macForegroundPixMap = pixpat ;
1999         }
2000         UnlockPixels( gwpixmaphandle ) ;
2001     }
2002     else
2003     {
2004         ::PenPat(GetQDGlobalsBlack(&blackColor));
2005     }
2006     short mode = patCopy ;
2007     switch( m_logicalFunction )
2008     {
2009     case wxCOPY:       // src
2010         if ( backgroundTransparent )
2011             mode = patOr ;
2012         else
2013             mode = patCopy ;
2014         break ;
2015     case wxINVERT:     // NOT dst
2016         if ( !backgroundTransparent )
2017         {
2018             ::PenPat(GetQDGlobalsBlack(&blackColor));
2019         }
2020         mode = patXor ;
2021         break ;
2022     case wxXOR:        // src XOR dst
2023         mode = patXor ;
2024         break ;
2025     case wxOR_REVERSE: // src OR (NOT dst)
2026         mode = notPatOr ;
2027         break ;
2028     case wxSRC_INVERT: // (NOT src)
2029         mode = notPatCopy ;
2030         break ;
2031     case wxAND: // src AND dst
2032         mode = adMin ;
2033         break ;
2034         // unsupported TODO
2035     case wxCLEAR:      // 0
2036     case wxAND_REVERSE:// src AND (NOT dst)
2037     case wxAND_INVERT: // (NOT src) AND dst
2038     case wxNO_OP:      // dst
2039     case wxNOR:        // (NOT src) AND (NOT dst)
2040     case wxEQUIV:      // (NOT src) XOR dst
2041     case wxOR_INVERT:  // (NOT src) OR dst
2042     case wxNAND:       // (NOT src) OR (NOT dst)
2043     case wxOR:         // src OR dst
2044     case wxSET:        // 1
2045         //        case wxSRC_OR:     // source _bitmap_ OR destination
2046         //        case wxSRC_AND:     // source _bitmap_ AND destination
2047         break ;
2048     }
2049     ::PenMode( mode ) ;
2050     m_macBrushInstalled = true ;
2051     m_macPenInstalled = false ;
2052     m_macFontInstalled = false ;
2053 }
2054
2055 // ---------------------------------------------------------------------------
2056 // coordinates transformations
2057 // ---------------------------------------------------------------------------
2058
2059 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2060 {
2061     return ((wxDC *)this)->XDEV2LOG(x);
2062 }
2063
2064 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2065 {
2066     return ((wxDC *)this)->YDEV2LOG(y);
2067 }
2068
2069 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2070 {
2071     return ((wxDC *)this)->XDEV2LOGREL(x);
2072 }
2073
2074 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2075 {
2076     return ((wxDC *)this)->YDEV2LOGREL(y);
2077 }
2078
2079 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2080 {
2081     return ((wxDC *)this)->XLOG2DEV(x);
2082 }
2083
2084 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2085 {
2086     return ((wxDC *)this)->YLOG2DEV(y);
2087 }
2088
2089 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2090 {
2091     return ((wxDC *)this)->XLOG2DEVREL(x);
2092 }
2093
2094 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2095 {
2096     return ((wxDC *)this)->YLOG2DEVREL(y);
2097 }
2098
2099 #endif // !wxMAC_USE_CORE_GRAPHICS