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 #include "wx/app.h"
  20 #include "wx/mac/uma.h"
  21 #include "wx/dcmemory.h"
  22 #include "wx/dcprint.h"
  23 #include "wx/region.h"
  24 #include "wx/image.h"
  25 #include "wx/log.h"
  26
  27 #if __MSL__ >= 0x6000
  28 namespace std {}
  29 using namespace std ;
  30 #endif
  31
  32 #include "wx/mac/private.h"
  33 #include <ATSUnicode.h>
  34 #include <TextCommon.h>
  35 #include <TextEncodingConverter.h>
  36 #include <FixMath.h>
  37 #if !USE_SHARED_LIBRARY
  38 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  39 #endif
  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         int x = 0 , y = 0;
 110         win->MacWindowToRootWindow( &x,&y ) ;
 111         // get area including focus rect
 112         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 113         if ( !EmptyRgn( m_newClip ) )
 114             OffsetRgn( m_newClip , x , y ) ;
 115
 116         SetClip( m_newClip ) ;
 117     }
 118 }
 119
 120 wxMacWindowClipper::~wxMacWindowClipper()
 121 {
 122     SetPort( m_newPort ) ;
 123     SetClip( m_formerClip ) ;
 124     DisposeRgn( m_newClip ) ;
 125     DisposeRgn( m_formerClip ) ;
 126 }
 127
 128 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 129     wxMacWindowClipper( win )
 130 {
 131     // the port is already set at this point
 132     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 133     GetThemeDrawingState( &m_themeDrawingState ) ;
 134 }
 135
 136 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 137 {
 138     SetPort( m_newPort ) ;
 139     SetThemeDrawingState( m_themeDrawingState , true ) ;
 140 }
 141
 142 //-----------------------------------------------------------------------------
 143 // Local functions
 144 //-----------------------------------------------------------------------------
 145 static inline double dmin(double a, double b) { return a < b ? a : b; }
 146 static inline double dmax(double a, double b) { return a > b ? a : b; }
 147 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 148
 149 //-----------------------------------------------------------------------------
 150 // wxDC
 151 //-----------------------------------------------------------------------------
 152 // this function emulates all wx colour manipulations, used to verify the implementation
 153 // by setting the mode in the blitting functions to kEmulatedMode
 154 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 155
 156 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 157 {
 158     switch ( logical_func )
 159     {
 160         case wxAND:        // src AND dst
 161             dstColor.red = dstColor.red & srcColor.red ;
 162             dstColor.green = dstColor.green & srcColor.green ;
 163             dstColor.blue = dstColor.blue & srcColor.blue ;
 164             break ;
 165         case wxAND_INVERT: // (NOT src) AND dst
 166             dstColor.red = dstColor.red & ~srcColor.red ;
 167             dstColor.green = dstColor.green & ~srcColor.green ;
 168             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 169             break ;
 170         case wxAND_REVERSE:// src AND (NOT dst)
 171             dstColor.red = ~dstColor.red & srcColor.red ;
 172             dstColor.green = ~dstColor.green & srcColor.green ;
 173             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 174             break ;
 175         case wxCLEAR:      // 0
 176             dstColor.red = 0 ;
 177             dstColor.green = 0 ;
 178             dstColor.blue = 0 ;
 179             break ;
 180         case wxCOPY:       // src
 181             dstColor.red = srcColor.red ;
 182             dstColor.green = srcColor.green ;
 183             dstColor.blue = srcColor.blue ;
 184             break ;
 185         case wxEQUIV:      // (NOT src) XOR dst
 186             dstColor.red = dstColor.red ^ ~srcColor.red ;
 187             dstColor.green = dstColor.green ^ ~srcColor.green ;
 188             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 189             break ;
 190         case wxINVERT:     // NOT dst
 191             dstColor.red = ~dstColor.red ;
 192             dstColor.green = ~dstColor.green ;
 193             dstColor.blue = ~dstColor.blue ;
 194             break ;
 195         case wxNAND:       // (NOT src) OR (NOT dst)
 196             dstColor.red = ~dstColor.red | ~srcColor.red ;
 197             dstColor.green = ~dstColor.green | ~srcColor.green ;
 198             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 199             break ;
 200         case wxNOR:        // (NOT src) AND (NOT dst)
 201             dstColor.red = ~dstColor.red & ~srcColor.red ;
 202             dstColor.green = ~dstColor.green & ~srcColor.green ;
 203             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 204             break ;
 205         case wxNO_OP:      // dst
 206             break ;
 207         case wxOR:         // src OR dst
 208             dstColor.red = dstColor.red | srcColor.red ;
 209             dstColor.green = dstColor.green | srcColor.green ;
 210             dstColor.blue = dstColor.blue | srcColor.blue ;
 211             break ;
 212         case wxOR_INVERT:  // (NOT src) OR dst
 213             dstColor.red = dstColor.red | ~srcColor.red ;
 214             dstColor.green = dstColor.green | ~srcColor.green ;
 215             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 216             break ;
 217         case wxOR_REVERSE: // src OR (NOT dst)
 218             dstColor.red = ~dstColor.red | srcColor.red ;
 219             dstColor.green = ~dstColor.green | srcColor.green ;
 220             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 221             break ;
 222         case wxSET:        // 1
 223             dstColor.red = 0xFFFF ;
 224             dstColor.green = 0xFFFF ;
 225             dstColor.blue = 0xFFFF ;
 226             break ;
 227         case wxSRC_INVERT: // (NOT src)
 228             dstColor.red = ~srcColor.red ;
 229             dstColor.green = ~srcColor.green ;
 230             dstColor.blue = ~srcColor.blue ;
 231             break ;
 232         case wxXOR:        // src XOR dst
 233             dstColor.red = dstColor.red ^ srcColor.red ;
 234             dstColor.green = dstColor.green ^ srcColor.green ;
 235             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 236             break ;
 237     }
 238 }
 239
 240 wxDC::wxDC()
 241 {
 242     m_ok = false;
 243     m_colour = true;
 244     m_mm_to_pix_x = mm2pt;
 245     m_mm_to_pix_y = mm2pt;
 246     m_internalDeviceOriginX = 0;
 247     m_internalDeviceOriginY = 0;
 248     m_externalDeviceOriginX = 0;
 249     m_externalDeviceOriginY = 0;
 250     m_logicalScaleX = 1.0;
 251     m_logicalScaleY = 1.0;
 252     m_userScaleX = 1.0;
 253     m_userScaleY = 1.0;
 254     m_scaleX = 1.0;
 255     m_scaleY = 1.0;
 256     m_needComputeScaleX = false;
 257     m_needComputeScaleY = false;
 258     m_macPort = NULL ;
 259     m_macMask = NULL ;
 260     m_ok = false ;
 261     m_macFontInstalled = false ;
 262     m_macBrushInstalled = false ;
 263     m_macPenInstalled = false ;
 264     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 265     m_macBoundaryClipRgn = NewRgn() ;
 266     m_macCurrentClipRgn = NewRgn() ;
 267     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 268     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 269     m_pen = *wxBLACK_PEN;
 270     m_font = *wxNORMAL_FONT;
 271     m_brush = *wxWHITE_BRUSH;
 272 #ifdef __WXDEBUG__
 273     // needed to debug possible errors with two active drawing methods at the same time on
 274     // the same DC
 275     m_macCurrentPortStateHelper = NULL ;
 276 #endif
 277     m_macATSUIStyle = NULL ;
 278     m_macAliasWasEnabled = false;
 279     m_macForegroundPixMap = NULL ;
 280     m_macBackgroundPixMap = NULL ;
 281 }
 282
 283 wxDC::~wxDC(void)
 284 {
 285     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 286     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 287 }
 288
 289 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 290 {
 291 #ifdef __WXDEBUG__
 292     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 293     m_macCurrentPortStateHelper = help ;
 294 #endif
 295     SetClip( (RgnHandle) m_macCurrentClipRgn);
 296 #if ! wxMAC_EXPERIMENTAL_DC
 297     m_macFontInstalled = false ;
 298     m_macBrushInstalled = false ;
 299     m_macPenInstalled = false ;
 300 #endif
 301 }
 302 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 303 {
 304 #ifdef __WXDEBUG__
 305     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 306     m_macCurrentPortStateHelper = NULL ;
 307 #endif
 308     if( m_macATSUIStyle )
 309     {
 310         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 311         m_macATSUIStyle = NULL ;
 312     }
 313     if ( m_macAliasWasEnabled )
 314     {
 315         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 316         m_macAliasWasEnabled = false ;
 317     }
 318     if ( m_macForegroundPixMap )
 319     {
 320         Pattern blackColor ;
 321         ::PenPat(GetQDGlobalsBlack(&blackColor));
 322         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 323         m_macForegroundPixMap = NULL ;
 324     }
 325     if ( m_macBackgroundPixMap )
 326     {
 327         Pattern whiteColor ;
 328         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 329         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 330         m_macBackgroundPixMap = NULL ;
 331     }
 332 }
 333
 334 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 335 {
 336      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 337      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 338      wxMacFastPortSetter helper(this) ;
 339      wxCoord xx = XLOG2DEVMAC(x);
 340      wxCoord yy = YLOG2DEVMAC(y);
 341      wxCoord w = bmp.GetWidth();
 342      wxCoord h = bmp.GetHeight();
 343      wxCoord ww = XLOG2DEVREL(w);
 344      wxCoord hh = YLOG2DEVREL(h);
 345      // Set up drawing mode
 346      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 347                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 348                     //m_logicalFunction == wxSET ? BLACKNESS :
 349                     m_logicalFunction == wxINVERT ? hilite :
 350                    //m_logicalFunction == wxAND ? MERGECOPY :
 351                     m_logicalFunction == wxOR ? srcOr :
 352                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 353                     m_logicalFunction == wxXOR ? srcXor :
 354                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 355                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 356                     //m_logicalFunction == wxSRC_OR ? srcOr :
 357                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 358                     srcCopy );
 359      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 360          Rect bitmaprect = { 0 , 0 , hh, ww };
 361          ::OffsetRect( &bitmaprect, xx, yy ) ;
 362          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 363     }
 364      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 365      {
 366          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 367          PixMapHandle bmappixels ;
 368          // Set foreground and background colours (for bitmaps depth = 1)
 369          if(bmp.GetDepth() == 1)
 370         {
 371              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 372              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 373              RGBForeColor(&fore);
 374              RGBBackColor(&back);
 375          }
 376          else
 377          {
 378              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 379              RGBColor black = { 0,0,0} ;
 380              RGBForeColor( &black ) ;
 381              RGBBackColor( &white ) ;
 382          }
 383          bmappixels = GetGWorldPixMap( bmapworld ) ;
 384          wxCHECK_RET(LockPixels(bmappixels),
 385                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 386          Rect source = { 0, 0, h, w };
 387          Rect dest   = { yy, xx, yy + hh, xx + ww };
 388          if ( useMask && bmp.GetMask() )
 389          {
 390              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 391              {
 392                  CopyDeepMask
 393                      (
 394                       GetPortBitMapForCopyBits(bmapworld),
 395                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 396                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 397                       &source, &source, &dest, mode, NULL
 398                       );
 399                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 400              }
 401          }
 402          else {
 403              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 404                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 405                        &source, &dest, mode, NULL ) ;
 406          }
 407          UnlockPixels( bmappixels ) ;
 408      }
 409      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 410      {
 411         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 412         OffsetRect( &bitmaprect, xx, yy ) ;
 413         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 414      }
 415      m_macPenInstalled = false ;
 416      m_macBrushInstalled = false ;
 417      m_macFontInstalled = false ;
 418 }
 419
 420 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 421 {
 422     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 423     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 424     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 425 }
 426
 427 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 428 {
 429     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 430     wxCoord xx, yy, ww, hh;
 431     xx = XLOG2DEVMAC(x);
 432     yy = YLOG2DEVMAC(y);
 433     ww = XLOG2DEVREL(width);
 434     hh = YLOG2DEVREL(height);
 435     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 436     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 437     if( m_clipping )
 438     {
 439         m_clipX1 = wxMax( m_clipX1 , xx );
 440         m_clipY1 = wxMax( m_clipY1 , yy );
 441         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 442         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 443     }
 444     else
 445     {
 446         m_clipping = true;
 447         m_clipX1 = xx;
 448         m_clipY1 = yy;
 449         m_clipX2 = xx + ww;
 450         m_clipY2 = yy + hh;
 451     }
 452 }
 453
 454 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 455 {
 456     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 457     if (region.Empty())
 458     {
 459         DestroyClippingRegion();
 460         return;
 461     }
 462     wxMacFastPortSetter helper(this) ;
 463     wxCoord x, y, w, h;
 464     region.GetBox( x, y, w, h );
 465     wxCoord xx, yy, ww, hh;
 466     xx = XLOG2DEVMAC(x);
 467     yy = YLOG2DEVMAC(y);
 468     ww = XLOG2DEVREL(w);
 469     hh = YLOG2DEVREL(h);
 470     // if we have a scaling that we cannot map onto native regions
 471     // we must use the box
 472     if ( ww != w || hh != h )
 473     {
 474         wxDC::DoSetClippingRegion( x, y, w, h );
 475     }
 476     else
 477     {
 478         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 479         if ( xx != x || yy != y )
 480         {
 481             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 482         }
 483         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 484         if( m_clipping )
 485         {
 486             m_clipX1 = wxMax( m_clipX1 , xx );
 487             m_clipY1 = wxMax( m_clipY1 , yy );
 488             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 489             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 490         }
 491         else
 492         {
 493             m_clipping = true;
 494             m_clipX1 = xx;
 495             m_clipY1 = yy;
 496             m_clipX2 = xx + ww;
 497             m_clipY2 = yy + hh;
 498         }
 499     }
 500 }
 501
 502 void wxDC::DestroyClippingRegion()
 503 {
 504     wxMacFastPortSetter helper(this) ;
 505     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 506     ResetClipping();
 507 }
 508
 509 void wxDC::DoGetSizeMM( int* width, int* height ) const
 510 {
 511     int w = 0;
 512     int h = 0;
 513     GetSize( &w, &h );
 514     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 515     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 516 }
 517
 518 void wxDC::SetTextForeground( const wxColour &col )
 519 {
 520     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 521     m_textForegroundColour = col;
 522     m_macFontInstalled = false ;
 523 }
 524
 525 void wxDC::SetTextBackground( const wxColour &col )
 526 {
 527     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 528     m_textBackgroundColour = col;
 529     m_macFontInstalled = false ;
 530 }
 531
 532 void wxDC::SetMapMode( int mode )
 533 {
 534     switch (mode)
 535     {
 536     case wxMM_TWIPS:
 537         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 538         break;
 539     case wxMM_POINTS:
 540         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 541         break;
 542     case wxMM_METRIC:
 543         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 544         break;
 545     case wxMM_LOMETRIC:
 546         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 547         break;
 548     default:
 549     case wxMM_TEXT:
 550         SetLogicalScale( 1.0, 1.0 );
 551         break;
 552     }
 553     if (mode != wxMM_TEXT)
 554     {
 555         m_needComputeScaleX = true;
 556         m_needComputeScaleY = true;
 557     }
 558 }
 559
 560 void wxDC::SetUserScale( double x, double y )
 561 {
 562     // allow negative ? -> no
 563     m_userScaleX = x;
 564     m_userScaleY = y;
 565     ComputeScaleAndOrigin();
 566 }
 567
 568 void wxDC::SetLogicalScale( double x, double y )
 569 {
 570     // allow negative ?
 571     m_logicalScaleX = x;
 572     m_logicalScaleY = y;
 573     ComputeScaleAndOrigin();
 574 }
 575
 576 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 577 {
 578     m_logicalOriginX = x * m_signX;   // is this still correct ?
 579     m_logicalOriginY = y * m_signY;
 580     ComputeScaleAndOrigin();
 581 }
 582
 583 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 584 {
 585     m_externalDeviceOriginX = x;
 586     m_externalDeviceOriginY = y;
 587     ComputeScaleAndOrigin();
 588 }
 589
 590 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 591 {
 592     m_signX = (xLeftRight ?  1 : -1);
 593     m_signY = (yBottomUp  ? -1 :  1);
 594     ComputeScaleAndOrigin();
 595 }
 596
 597 wxSize wxDC::GetPPI() const
 598 {
 599     return wxSize(72, 72);
 600 }
 601
 602 int wxDC::GetDepth() const
 603 {
 604     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 605     {
 606         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 607     }
 608     return 1 ;
 609 }
 610
 611 void wxDC::ComputeScaleAndOrigin()
 612 {
 613     // CMB: copy scale to see if it changes
 614     double origScaleX = m_scaleX;
 615     double origScaleY = m_scaleY;
 616     m_scaleX = m_logicalScaleX * m_userScaleX;
 617     m_scaleY = m_logicalScaleY * m_userScaleY;
 618     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 619     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 620     // CMB: if scale has changed call SetPen to recalulate the line width
 621     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 622     {
 623         // this is a bit artificial, but we need to force wxDC to think
 624         // the pen has changed
 625         wxPen pen(GetPen());
 626         m_pen = wxNullPen;
 627         SetPen(pen);
 628     }
 629 }
 630
 631 void  wxDC::SetPalette( const wxPalette& palette )
 632 {
 633 }
 634
 635 void  wxDC::SetBackgroundMode( int mode )
 636 {
 637     m_backgroundMode = mode ;
 638 }
 639
 640 void  wxDC::SetFont( const wxFont &font )
 641 {
 642     m_font = font;
 643     m_macFontInstalled = false ;
 644 }
 645
 646 void  wxDC::SetPen( const wxPen &pen )
 647 {
 648     if ( m_pen == pen )
 649         return ;
 650     m_pen = pen;
 651     m_macPenInstalled = false ;
 652 }
 653
 654 void  wxDC::SetBrush( const wxBrush &brush )
 655 {
 656     if (m_brush == brush)
 657         return;
 658     m_brush = brush;
 659     m_macBrushInstalled = false ;
 660 }
 661
 662 void  wxDC::SetBackground( const wxBrush &brush )
 663 {
 664     if (m_backgroundBrush == brush)
 665         return;
 666     m_backgroundBrush = brush;
 667     if (!m_backgroundBrush.Ok())
 668         return;
 669     m_macBrushInstalled = false ;
 670 }
 671
 672 void  wxDC::SetLogicalFunction( int function )
 673 {
 674     if (m_logicalFunction == function)
 675         return;
 676     m_logicalFunction = function ;
 677     m_macFontInstalled = false ;
 678     m_macBrushInstalled = false ;
 679     m_macPenInstalled = false ;
 680 }
 681
 682 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 683                           const wxColour & col, int style);
 684
 685 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 686                        const wxColour& col, int style)
 687 {
 688     return wxDoFloodFill(this, x, y, col, style);
 689 }
 690
 691 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 692 {
 693     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 694     wxMacFastPortSetter helper(this) ;
 695     RGBColor colour;
 696     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 697     // Convert from Mac colour to wx
 698     col->Set( colour.red   >> 8,
 699         colour.green >> 8,
 700         colour.blue  >> 8);
 701     return true ;
 702 }
 703
 704 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 705 {
 706     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 707     wxMacFastPortSetter helper(this) ;
 708     if (m_pen.GetStyle() != wxTRANSPARENT)
 709     {
 710         MacInstallPen() ;
 711         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 712         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 713         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 714         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 715         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 716         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 717         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 718             (m_pen.GetWidth() <= 1))
 719         {
 720             // Implement LAST_NOT for MAC at least for
 721             // orthogonal lines. RR.
 722             if (xx1 == xx2)
 723             {
 724                 if (yy1 < yy2)
 725                     yy2--;
 726                 if (yy1 > yy2)
 727                     yy2++;
 728             }
 729             if (yy1 == yy2)
 730             {
 731                 if (xx1 < xx2)
 732                     xx2--;
 733                 if (xx1 > xx2)
 734                     xx2++;
 735             }
 736         }
 737         ::MoveTo(xx1, yy1);
 738         ::LineTo(xx2, yy2);
 739     }
 740 }
 741
 742 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 743 {
 744     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 745     wxMacFastPortSetter helper(this) ;
 746     if (m_pen.GetStyle() != wxTRANSPARENT)
 747     {
 748         int w = 0;
 749         int h = 0;
 750         GetSize( &w, &h );
 751         wxCoord xx = XLOG2DEVMAC(x);
 752         wxCoord yy = YLOG2DEVMAC(y);
 753         MacInstallPen();
 754         ::MoveTo( XLOG2DEVMAC(0), yy );
 755         ::LineTo( XLOG2DEVMAC(w), yy );
 756         ::MoveTo( xx, YLOG2DEVMAC(0) );
 757         ::LineTo( xx, YLOG2DEVMAC(h) );
 758         CalcBoundingBox(x, y);
 759         CalcBoundingBox(x+w, y+h);
 760     }
 761 }
 762
 763 /*
 764 * To draw arcs properly the angles need to be converted from the WX style:
 765 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 766 * a normal axis on paper).
 767 * TO
 768 * the Mac style:
 769 * Angles start on the +ve y axis and go clockwise.
 770 */
 771
 772 static double wxConvertWXangleToMACangle(double angle)
 773 {
 774     double newAngle = 90 - angle ;
 775     while ( newAngle > 360 ) newAngle -= 360 ;
 776     while ( newAngle < 0 ) newAngle += 360 ;
 777     return newAngle ;
 778 }
 779
 780 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 781                       wxCoord x2, wxCoord y2,
 782                       wxCoord xc, wxCoord yc )
 783 {
 784     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 785     wxMacFastPortSetter helper(this) ;
 786     wxCoord xx1 = XLOG2DEVMAC(x1);
 787     wxCoord yy1 = YLOG2DEVMAC(y1);
 788     wxCoord xx2 = XLOG2DEVMAC(x2);
 789     wxCoord yy2 = YLOG2DEVMAC(y2);
 790     wxCoord xxc = XLOG2DEVMAC(xc);
 791     wxCoord yyc = YLOG2DEVMAC(yc);
 792     double dx = xx1 - xxc;
 793     double dy = yy1 - yyc;
 794     double radius = sqrt((double)(dx*dx+dy*dy));
 795     wxCoord rad   = (wxCoord)radius;
 796     double radius1, radius2;
 797     if (xx1 == xx2 && yy1 == yy2)
 798     {
 799         radius1 = 0.0;
 800         radius2 = 360.0;
 801     }
 802     else if (radius == 0.0)
 803     {
 804         radius1 = radius2 = 0.0;
 805     }
 806     else
 807     {
 808         radius1 = (xx1 - xxc == 0) ?
 809             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 810         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 811         radius2 = (xx2 - xxc == 0) ?
 812             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 813         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 814     }
 815     wxCoord alpha2 = wxCoord(radius2 - radius1);
 816     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 817     while( alpha2 < 0 ) alpha2 += 360 ;
 818     alpha2 = -alpha2 ;
 819     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 820     if(m_brush.GetStyle() != wxTRANSPARENT) {
 821         MacInstallBrush();
 822         PaintArc(&r, alpha1, alpha2);
 823     }
 824     if(m_pen.GetStyle() != wxTRANSPARENT) {
 825         MacInstallPen();
 826         FrameArc(&r, alpha1, alpha2);
 827     }
 828 }
 829
 830 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 831                               double sa, double ea )
 832 {
 833     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 834     wxMacFastPortSetter helper(this) ;
 835     Rect r;
 836     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 837     // we have to make sure that the filling is always counter-clockwise
 838     if ( angle > 0 )
 839         angle -= 360 ;
 840     wxCoord xx = XLOG2DEVMAC(x);
 841     wxCoord yy = YLOG2DEVMAC(y);
 842     wxCoord ww = m_signX * XLOG2DEVREL(w);
 843     wxCoord hh = m_signY * YLOG2DEVREL(h);
 844     // handle -ve width and/or height
 845     if (ww < 0) { ww = -ww; xx = xx - ww; }
 846     if (hh < 0) { hh = -hh; yy = yy - hh; }
 847     sa = wxConvertWXangleToMACangle(sa);
 848     r.top    = yy;
 849     r.left   = xx;
 850     r.bottom = yy + hh;
 851     r.right  = xx + ww;
 852     if(m_brush.GetStyle() != wxTRANSPARENT) {
 853         MacInstallBrush();
 854         PaintArc(&r, (short)sa, (short)angle);
 855     }
 856     if(m_pen.GetStyle() != wxTRANSPARENT) {
 857         MacInstallPen();
 858         FrameArc(&r, (short)sa, (short)angle);
 859     }
 860 }
 861
 862 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 863 {
 864     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 865     wxMacFastPortSetter helper(this) ;
 866     if (m_pen.GetStyle() != wxTRANSPARENT)
 867     {
 868         wxCoord xx1 = XLOG2DEVMAC(x);
 869         wxCoord yy1 = YLOG2DEVMAC(y);
 870         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 871         ::SetCPixel( xx1,yy1,&pencolor) ;
 872         CalcBoundingBox(x, y);
 873     }
 874 }
 875
 876 void  wxDC::DoDrawLines(int n, wxPoint points[],
 877                         wxCoord xoffset, wxCoord yoffset)
 878 {
 879     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 880     wxMacFastPortSetter helper(this) ;
 881     if (m_pen.GetStyle() == wxTRANSPARENT)
 882         return;
 883     MacInstallPen() ;
 884     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 885     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 886     wxCoord x1, x2 , y1 , y2 ;
 887     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 888     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 889     ::MoveTo(x1 - offset, y1 - offset );
 890     for (int i = 0; i < n-1; i++)
 891     {
 892         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 893         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 894         ::LineTo( x2 - offset, y2 - offset );
 895     }
 896 }
 897
 898 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 899                           wxCoord xoffset, wxCoord yoffset,
 900                           int fillStyle )
 901 {
 902     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 903     wxMacFastPortSetter helper(this) ;
 904     wxCoord x1, x2 , y1 , y2 ;
 905     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 906         return ;
 907     PolyHandle polygon = OpenPoly();
 908     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 909     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 910     ::MoveTo(x1,y1);
 911     for (int i = 1; i < n; i++)
 912     {
 913         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 914         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 915         ::LineTo(x2, y2);
 916     }
 917     // close the polyline if necessary
 918     if ( x1 != x2 || y1 != y2 )
 919     {
 920         ::LineTo(x1,y1 ) ;
 921     }
 922     ClosePoly();
 923     if (m_brush.GetStyle() != wxTRANSPARENT)
 924     {
 925         MacInstallBrush();
 926         ::PaintPoly( polygon );
 927     }
 928     if (m_pen.GetStyle() != wxTRANSPARENT)
 929     {
 930         MacInstallPen() ;
 931         ::FramePoly( polygon ) ;
 932     }
 933     KillPoly( polygon );
 934 }
 935
 936 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 937 {
 938     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 939     wxMacFastPortSetter helper(this) ;
 940     wxCoord xx = XLOG2DEVMAC(x);
 941     wxCoord yy = YLOG2DEVMAC(y);
 942     wxCoord ww = m_signX * XLOG2DEVREL(width);
 943     wxCoord hh = m_signY * YLOG2DEVREL(height);
 944     // CMB: draw nothing if transformed w or h is 0
 945     if (ww == 0 || hh == 0)
 946         return;
 947     // CMB: handle -ve width and/or height
 948     if (ww < 0)
 949     {
 950         ww = -ww;
 951         xx = xx - ww;
 952     }
 953     if (hh < 0)
 954     {
 955         hh = -hh;
 956         yy = yy - hh;
 957     }
 958     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 959     if (m_brush.GetStyle() != wxTRANSPARENT)
 960     {
 961         MacInstallBrush() ;
 962         ::PaintRect( &rect ) ;
 963     }
 964     if (m_pen.GetStyle() != wxTRANSPARENT)
 965     {
 966         MacInstallPen() ;
 967         ::FrameRect( &rect ) ;
 968     }
 969 }
 970
 971 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 972                                    wxCoord width, wxCoord height,
 973                                    double radius)
 974 {
 975     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 976     wxMacFastPortSetter helper(this) ;
 977     if (radius < 0.0)
 978         radius = - radius * ((width < height) ? width : height);
 979     wxCoord xx = XLOG2DEVMAC(x);
 980     wxCoord yy = YLOG2DEVMAC(y);
 981     wxCoord ww = m_signX * XLOG2DEVREL(width);
 982     wxCoord hh = m_signY * YLOG2DEVREL(height);
 983     // CMB: draw nothing if transformed w or h is 0
 984     if (ww == 0 || hh == 0)
 985         return;
 986     // CMB: handle -ve width and/or height
 987     if (ww < 0)
 988     {
 989         ww = -ww;
 990         xx = xx - ww;
 991     }
 992     if (hh < 0)
 993     {
 994         hh = -hh;
 995         yy = yy - hh;
 996     }
 997     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 998     if (m_brush.GetStyle() != wxTRANSPARENT)
 999     {
1000         MacInstallBrush() ;
1001         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1002     }
1003     if (m_pen.GetStyle() != wxTRANSPARENT)
1004     {
1005         MacInstallPen() ;
1006         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1007     }
1008 }
1009
1010 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1011 {
1012     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1013     wxMacFastPortSetter helper(this) ;
1014     wxCoord xx = XLOG2DEVMAC(x);
1015     wxCoord yy = YLOG2DEVMAC(y);
1016     wxCoord ww = m_signX * XLOG2DEVREL(width);
1017     wxCoord hh = m_signY * YLOG2DEVREL(height);
1018     // CMB: draw nothing if transformed w or h is 0
1019     if (ww == 0 || hh == 0)
1020         return;
1021     // CMB: handle -ve width and/or height
1022     if (ww < 0)
1023     {
1024         ww = -ww;
1025         xx = xx - ww;
1026     }
1027     if (hh < 0)
1028     {
1029         hh = -hh;
1030         yy = yy - hh;
1031     }
1032     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1033     if (m_brush.GetStyle() != wxTRANSPARENT)
1034     {
1035         MacInstallBrush() ;
1036         ::PaintOval( &rect ) ;
1037     }
1038     if (m_pen.GetStyle() != wxTRANSPARENT)
1039     {
1040         MacInstallPen() ;
1041         ::FrameOval( &rect ) ;
1042     }
1043 }
1044
1045 bool  wxDC::CanDrawBitmap(void) const
1046 {
1047     return true ;
1048 }
1049
1050 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1051                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1052                    wxCoord xsrcMask,  wxCoord ysrcMask )
1053 {
1054     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1055     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1056     if ( logical_func == wxNO_OP )
1057         return true ;
1058     if (xsrcMask == -1 && ysrcMask == -1)
1059     {
1060         xsrcMask = xsrc; ysrcMask = ysrc;
1061     }
1062     // correct the parameter in case this dc does not have a mask at all
1063     if ( useMask && !source->m_macMask )
1064         useMask = false ;
1065     Rect srcrect , dstrect ;
1066     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1067     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1068     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1069     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1070     dstrect.top = YLOG2DEVMAC(ydest) ;
1071     dstrect.left = XLOG2DEVMAC(xdest) ;
1072     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1073     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1074     short mode = kUnsupportedMode ;
1075     bool invertDestinationFirst = false ;
1076     switch ( logical_func )
1077     {
1078     case wxAND:        // src AND dst
1079         mode = adMin ; // ok
1080         break ;
1081     case wxAND_INVERT: // (NOT src) AND dst
1082         mode = notSrcOr  ; // ok
1083         break ;
1084     case wxAND_REVERSE:// src AND (NOT dst)
1085         invertDestinationFirst = true ;
1086         mode = srcOr ;
1087         break ;
1088     case wxCLEAR:      // 0
1089         mode = kEmulatedMode ;
1090         break ;
1091     case wxCOPY:       // src
1092         mode = srcCopy ; // ok
1093         break ;
1094     case wxEQUIV:      // (NOT src) XOR dst
1095         mode = srcXor ; // ok
1096         break ;
1097     case wxINVERT:     // NOT dst
1098         mode = kEmulatedMode ; //or hilite ;
1099         break ;
1100     case wxNAND:       // (NOT src) OR (NOT dst)
1101         invertDestinationFirst = true ;
1102         mode = srcBic ;
1103         break ;
1104     case wxNOR:        // (NOT src) AND (NOT dst)
1105         invertDestinationFirst = true ;
1106         mode = notSrcOr ;
1107         break ;
1108     case wxNO_OP:      // dst
1109         mode = kEmulatedMode ; // this has already been handled upon entry
1110         break ;
1111     case wxOR:         // src OR dst
1112         mode = notSrcBic ;
1113         break ;
1114     case wxOR_INVERT:  // (NOT src) OR dst
1115         mode = srcBic ;
1116         break ;
1117     case wxOR_REVERSE: // src OR (NOT dst)
1118         invertDestinationFirst = true ;
1119         mode = notSrcBic ;
1120         break ;
1121     case wxSET:        // 1
1122         mode = kEmulatedMode ;
1123         break ;
1124     case wxSRC_INVERT: // (NOT src)
1125         mode = notSrcCopy ; // ok
1126         break ;
1127     case wxXOR:        // src XOR dst
1128         mode = notSrcXor ; // ok
1129         break ;
1130     default :
1131         break ;
1132     }
1133     if ( mode == kUnsupportedMode )
1134     {
1135         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1136         return false ;
1137     }
1138     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1139     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1140     if ( LockPixels(bmappixels) )
1141     {
1142         wxMacFastPortSetter helper(this) ;
1143         if ( source->GetDepth() == 1 )
1144         {
1145             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1146             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1147         }
1148         else
1149         {
1150             // the modes need this, otherwise we'll end up having really nice colors...
1151             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1152             RGBColor    black = { 0,0,0} ;
1153             RGBForeColor( &black ) ;
1154             RGBBackColor( &white ) ;
1155         }
1156         if ( useMask && source->m_macMask )
1157         {
1158             if ( mode == srcCopy )
1159             {
1160                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1161                 {
1162                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1163                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1164                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1165                         &srcrect, &srcrect , &dstrect ) ;
1166                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1167                 }
1168             }
1169             else
1170             {
1171                 RgnHandle clipRgn = NewRgn() ;
1172                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1173                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1174                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1175                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1176                 if ( mode == kEmulatedMode )
1177                 {
1178                     Pattern pat ;
1179                     ::PenPat(GetQDGlobalsBlack(&pat));
1180                     if ( logical_func == wxSET )
1181                     {
1182                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1183                         ::RGBForeColor( &col  ) ;
1184                         ::PaintRgn( clipRgn ) ;
1185                     }
1186                     else if ( logical_func == wxCLEAR )
1187                     {
1188                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1189                         ::RGBForeColor( &col  ) ;
1190                         ::PaintRgn( clipRgn ) ;
1191                     }
1192                     else if ( logical_func == wxINVERT )
1193                     {
1194                         MacInvertRgn( clipRgn ) ;
1195                     }
1196                     else
1197                     {
1198                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1199                         {
1200                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1201                             {
1202                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1203                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1204                                 if ( PtInRgn( dstPoint , clipRgn ) )
1205                                 {
1206                                     RGBColor srcColor ;
1207                                     RGBColor dstColor ;
1208                                     SetPort( (GrafPtr) sourcePort ) ;
1209                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1210                                     SetPort( (GrafPtr) m_macPort ) ;
1211                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1212                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1213                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1214                                 }
1215                             }
1216                         }
1217                     }
1218                 }
1219                 else
1220                 {
1221                     if ( invertDestinationFirst )
1222                     {
1223                         MacInvertRgn( clipRgn ) ;
1224                     }
1225                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1226                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1227                         &srcrect, &dstrect, mode, clipRgn ) ;
1228                 }
1229                 DisposeRgn( clipRgn ) ;
1230             }
1231         }
1232         else
1233         {
1234             RgnHandle clipRgn = NewRgn() ;
1235             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1236             if ( mode == kEmulatedMode )
1237             {
1238                 Pattern pat ;
1239                 ::PenPat(GetQDGlobalsBlack(&pat));
1240                 if ( logical_func == wxSET )
1241                 {
1242                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1243                     ::RGBForeColor( &col  ) ;
1244                     ::PaintRgn( clipRgn ) ;
1245                 }
1246                 else if ( logical_func == wxCLEAR )
1247                 {
1248                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1249                     ::RGBForeColor( &col  ) ;
1250                     ::PaintRgn( clipRgn ) ;
1251                 }
1252                 else if ( logical_func == wxINVERT )
1253                 {
1254                     MacInvertRgn( clipRgn ) ;
1255                 }
1256                 else
1257                 {
1258                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1259                     {
1260                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1261                         {
1262                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1263                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1264                             {
1265                                 RGBColor srcColor ;
1266                                 RGBColor dstColor ;
1267                                 SetPort( (GrafPtr) sourcePort ) ;
1268                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1269                                 SetPort( (GrafPtr) m_macPort ) ;
1270                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1271                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1272                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1273                             }
1274                         }
1275                     }
1276                 }
1277             }
1278             else
1279             {
1280                 if ( invertDestinationFirst )
1281                 {
1282                     MacInvertRgn( clipRgn ) ;
1283                 }
1284                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1285                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1286                     &srcrect, &dstrect, mode, NULL ) ;
1287             }
1288             DisposeRgn( clipRgn ) ;
1289         }
1290         UnlockPixels( bmappixels ) ;
1291     }
1292     m_macPenInstalled = false ;
1293     m_macBrushInstalled = false ;
1294     m_macFontInstalled = false ;
1295     return true;
1296 }
1297
1298 #ifndef FixedToInt
1299 // as macro in FixMath.h for 10.3
1300 inline Fixed    IntToFixed( int inInt )
1301 {
1302     return (((SInt32) inInt) << 16);
1303 }
1304
1305 inline int    FixedToInt( Fixed inFixed )
1306 {
1307     return (((SInt32) inFixed) >> 16);
1308 }
1309 #endif
1310
1311 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1312                               double angle)
1313 {
1314     // TODO support text background color (only possible by hand, ATSUI does not support it)
1315     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1316
1317     if ( str.Length() == 0 )
1318         return ;
1319
1320     wxMacFastPortSetter helper(this) ;
1321     MacInstallFont() ;
1322
1323     if ( 0 )
1324     {
1325         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1326         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1327         m_macAliasWasEnabled = true ;
1328     }
1329     OSStatus status = noErr ;
1330     ATSUTextLayout atsuLayout ;
1331     UniCharCount chars = str.Length() ;
1332     UniChar* ubuf = NULL ;
1333 #if SIZEOF_WCHAR_T == 4
1334     wxMBConvUTF16BE converter ;
1335 #if wxUSE_UNICODE
1336     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1337     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1338     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1339 #else
1340     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1341     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1342     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1343     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1344 #endif
1345     chars = unicharlen / 2 ;
1346 #else
1347 #if wxUSE_UNICODE
1348     ubuf = (UniChar*) str.wc_str() ;
1349 #else
1350     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1351     chars = wxWcslen( wchar.data() ) ;
1352     ubuf = (UniChar*) wchar.data() ;
1353 #endif
1354 #endif
1355
1356     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1357         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1358
1359     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1360     int iAngle = int( angle );
1361     int drawX = XLOG2DEVMAC(x) ;
1362     int drawY = YLOG2DEVMAC(y) ;
1363
1364     ATSUTextMeasurement textBefore ;
1365     ATSUTextMeasurement textAfter ;
1366     ATSUTextMeasurement ascent ;
1367     ATSUTextMeasurement descent ;
1368
1369
1370     if ( abs(iAngle) > 0 )
1371     {
1372         Fixed atsuAngle = IntToFixed( iAngle ) ;
1373         ATSUAttributeTag atsuTags[] =
1374         {
1375             kATSULineRotationTag ,
1376         } ;
1377         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1378         {
1379             sizeof( Fixed ) ,
1380         } ;
1381         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1382         {
1383             &atsuAngle ,
1384         } ;
1385         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1386             atsuTags, atsuSizes, atsuValues ) ;
1387     }
1388     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1389         &textBefore , &textAfter, &ascent , &descent );
1390
1391     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1392     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1393     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1394         IntToFixed(drawX) , IntToFixed(drawY) );
1395     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1396     Rect rect ;
1397     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1398         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1399     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1400     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1401     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1402     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1403     ::ATSUDisposeTextLayout(atsuLayout);
1404 #if SIZEOF_WCHAR_T == 4
1405     free( ubuf ) ;
1406 #endif
1407 }
1408
1409 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1410 {
1411     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1412
1413     wxMacFastPortSetter helper(this) ;
1414     long xx = XLOG2DEVMAC(x);
1415     long yy = YLOG2DEVMAC(y);
1416 #if TARGET_CARBON
1417     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1418     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1419         useDrawThemeText = false ;
1420 #endif
1421     MacInstallFont() ;
1422
1423     FontInfo fi ;
1424     ::GetFontInfo( &fi ) ;
1425 #if TARGET_CARBON
1426     if ( !useDrawThemeText )
1427 #endif
1428         yy += fi.ascent ;
1429     ::MoveTo( xx , yy );
1430     if (  m_backgroundMode == wxTRANSPARENT )
1431     {
1432         ::TextMode( srcOr) ;
1433     }
1434     else
1435     {
1436         ::TextMode( srcCopy ) ;
1437     }
1438     int line = 0 ;
1439     {
1440         wxString linetext = strtext ;
1441 #if TARGET_CARBON
1442         if ( useDrawThemeText )
1443         {
1444             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1445             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1446
1447             if ( m_backgroundMode != wxTRANSPARENT )
1448             {
1449                 Point bounds={0,0} ;
1450                 Rect background = frame ;
1451                 SInt16 baseline ;
1452                 ::GetThemeTextDimensions( mString,
1453                     m_font.MacGetThemeFontID() ,
1454                     kThemeStateActive,
1455                     false,
1456                     &bounds,
1457                     &baseline );
1458                 background.right = background.left + bounds.h ;
1459                 background.bottom = background.top + bounds.v ;
1460                 ::EraseRect( &background ) ;
1461             }
1462             ::DrawThemeTextBox( mString,
1463                 m_font.MacGetThemeFontID() ,
1464                 kThemeStateActive,
1465                 false,
1466                 &frame,
1467                 teJustLeft,
1468                 nil );
1469         }
1470         else
1471 #endif
1472         {
1473             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1474             ::DrawText( text , 0 , strlen(text) ) ;
1475          }
1476     }
1477     ::TextMode( srcOr ) ;
1478 }
1479
1480 bool  wxDC::CanGetTextExtent() const
1481 {
1482     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1483     return true ;
1484 }
1485
1486 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1487                             wxCoord *descent, wxCoord *externalLeading ,
1488                             wxFont *theFont ) const
1489 {
1490     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1491     wxMacFastPortSetter helper(this) ;
1492     wxFont formerFont = m_font ;
1493     if ( theFont )
1494     {
1495         // work around the constness
1496         *((wxFont*)(&m_font)) = *theFont ;
1497     }
1498     MacInstallFont() ;
1499     FontInfo fi ;
1500     ::GetFontInfo( &fi ) ;
1501 #if TARGET_CARBON
1502     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1503     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1504         useGetThemeText = false ;
1505 #endif
1506     if ( height )
1507         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1508     if ( descent )
1509         *descent =YDEV2LOGREL( fi.descent );
1510     if ( externalLeading )
1511         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1512
1513     int curwidth = 0 ;
1514     if ( width )
1515     {
1516         *width = 0 ;
1517         wxString linetext = strtext ;
1518
1519         if ( useGetThemeText )
1520         {
1521             Point bounds={0,0} ;
1522             SInt16 baseline ;
1523             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1524             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1525             ::GetThemeTextDimensions( mString,
1526                 themeFont ,
1527                 kThemeStateActive,
1528                 false,
1529                 &bounds,
1530                 &baseline );
1531             curwidth = bounds.h ;
1532         }
1533         else
1534         {
1535             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1536             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1537         }
1538         if ( curwidth > *width )
1539             *width = XDEV2LOGREL( curwidth ) ;
1540     }
1541     if ( theFont )
1542     {
1543         // work around the constness
1544         *((wxFont*)(&m_font)) = formerFont ;
1545         m_macFontInstalled = false ;
1546     }
1547 }
1548
1549
1550 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1551 {
1552     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1553
1554     widths.Empty();
1555     widths.Add(0, text.Length());
1556
1557     if (text.Length() == 0)
1558         return false;
1559
1560     wxMacFastPortSetter helper(this) ;
1561     MacInstallFont() ;
1562 #if TARGET_CARBON
1563     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1564     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1565         useGetThemeText = false ;
1566
1567     if ( useGetThemeText )
1568     {
1569         // If anybody knows how to do this more efficiently yet still handle
1570         // the fractional glyph widths that may be present when using AA
1571         // fonts, please change it.  Currently it is measuring from the
1572         // begining of the string for each succeding substring, which is much
1573         // slower than this should be.
1574         for (size_t i=0; i<text.Length(); i++)
1575         {
1576             wxString str(text.Left(i+1));
1577             Point bounds = {0,0};
1578             SInt16 baseline ;
1579             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1580             ::GetThemeTextDimensions( mString,
1581                                       m_font.MacGetThemeFontID(),
1582                                       kThemeStateActive,
1583                                       false,
1584                                       &bounds,
1585                                       &baseline );
1586             widths[i] = XDEV2LOGREL(bounds.h);
1587         }
1588     }
1589     else
1590 #endif
1591     {
1592         wxCharBuffer buff = text.mb_str(wxConvLocal);
1593         size_t len = strlen(buff);
1594         short* measurements = new short[len+1];
1595         MeasureText(len, buff.data(), measurements);
1596
1597         // Copy to widths, starting at measurements[1]
1598         // NOTE: this doesn't take into account any multi-byte characters
1599         // in buff, it probabkly should...
1600         for (size_t i=0; i<text.Length(); i++)
1601             widths[i] = XDEV2LOGREL(measurements[i+1]);
1602
1603         delete [] measurements;
1604     }
1605
1606     return true;
1607 }
1608
1609
1610
1611 wxCoord   wxDC::GetCharWidth(void) const
1612 {
1613     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1614     wxMacFastPortSetter helper(this) ;
1615     MacInstallFont() ;
1616     int width = 0 ;
1617 #if TARGET_CARBON
1618     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1619     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1620         useGetThemeText = false ;
1621 #endif
1622     char text[] = "g" ;
1623 #if TARGET_CARBON
1624     if ( useGetThemeText )
1625     {
1626         Point bounds={0,0} ;
1627         SInt16 baseline ;
1628         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1629         ::GetThemeTextDimensions( mString,
1630             m_font.MacGetThemeFontID(),
1631             kThemeStateActive,
1632             false,
1633             &bounds,
1634             &baseline );
1635         CFRelease( mString ) ;
1636         width = bounds.h ;
1637     }
1638     else
1639 #endif
1640     {
1641         width = ::TextWidth( text , 0 , 1 ) ;
1642     }
1643     return YDEV2LOGREL(width) ;
1644 }
1645
1646 wxCoord   wxDC::GetCharHeight(void) const
1647 {
1648     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1649     wxMacFastPortSetter helper(this) ;
1650     MacInstallFont() ;
1651     FontInfo fi ;
1652     ::GetFontInfo( &fi ) ;
1653     return YDEV2LOGREL( fi.descent + fi.ascent );
1654 }
1655
1656 void  wxDC::Clear(void)
1657 {
1658     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1659     wxMacFastPortSetter helper(this) ;
1660     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1661     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1662     {
1663         ::PenNormal() ;
1664         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1665         ::EraseRect( &rect ) ;
1666     }
1667 }
1668
1669 void wxDC::MacInstallFont() const
1670 {
1671     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1672     //    if ( m_macFontInstalled )
1673     //        return ;
1674     Pattern blackColor ;
1675     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1676     if ( m_backgroundMode != wxTRANSPARENT )
1677     {
1678         Pattern whiteColor ;
1679         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1680     }
1681
1682     wxASSERT( m_font.Ok() ) ;
1683
1684
1685     ::TextFont( m_font.MacGetFontNum() ) ;
1686     ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1687     ::TextFace( m_font.MacGetFontStyle() ) ;
1688     m_macFontInstalled = true ;
1689     m_macBrushInstalled = false ;
1690     m_macPenInstalled = false ;
1691     RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1692     RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1693     ::RGBForeColor( &forecolor );
1694     ::RGBBackColor( &backcolor );
1695
1696     short mode = patCopy ;
1697     // todo :
1698     switch( m_logicalFunction )
1699     {
1700     case wxCOPY:       // src
1701         mode = patCopy ;
1702         break ;
1703     case wxINVERT:     // NOT dst
1704         ::PenPat(GetQDGlobalsBlack(&blackColor));
1705         mode = patXor ;
1706         break ;
1707     case wxXOR:        // src XOR dst
1708         mode = patXor ;
1709         break ;
1710     case wxOR_REVERSE: // src OR (NOT dst)
1711         mode = notPatOr ;
1712         break ;
1713     case wxSRC_INVERT: // (NOT src)
1714         mode = notPatCopy ;
1715         break ;
1716     case wxAND: // src AND dst
1717         mode = adMin ;
1718         break ;
1719         // unsupported TODO
1720     case wxCLEAR:      // 0
1721     case wxAND_REVERSE:// src AND (NOT dst)
1722     case wxAND_INVERT: // (NOT src) AND dst
1723     case wxNO_OP:      // dst
1724     case wxNOR:        // (NOT src) AND (NOT dst)
1725     case wxEQUIV:      // (NOT src) XOR dst
1726     case wxOR_INVERT:  // (NOT src) OR dst
1727     case wxNAND:       // (NOT src) OR (NOT dst)
1728     case wxOR:         // src OR dst
1729     case wxSET:        // 1
1730         //        case wxSRC_OR:     // source _bitmap_ OR destination
1731         //        case wxSRC_AND:     // source _bitmap_ AND destination
1732         break ;
1733     }
1734     ::PenMode( mode ) ;
1735     OSStatus status = noErr ;
1736     status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1737     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1738
1739     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1740     ATSUAttributeTag atsuTags[] =
1741     {
1742             kATSUSizeTag ,
1743     } ;
1744     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1745     {
1746             sizeof( Fixed ) ,
1747     } ;
1748     Boolean kTrue = true ;
1749     Boolean kFalse = false ;
1750
1751     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1752     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1753     {
1754             &atsuSize ,
1755     } ;
1756     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1757         atsuTags, atsuSizes, atsuValues);
1758
1759     wxASSERT_MSG( status == noErr , wxT("couldn't Modify ATSU style") ) ;
1760
1761 }
1762
1763 Pattern gPatterns[] =
1764 {   // hatch patterns
1765     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1766     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1767     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1768     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1769     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1770     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1771     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1772     // dash patterns
1773     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1774     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1775     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1776     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1777 } ;
1778
1779 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1780 {
1781     int index = 0;  // solid pattern by default
1782     switch(penStyle)
1783     {
1784         // hatches
1785         case wxBDIAGONAL_HATCH:     index = 1; break;
1786         case wxFDIAGONAL_HATCH:     index = 2; break;
1787         case wxCROSS_HATCH:         index = 3; break;
1788         case wxHORIZONTAL_HATCH:    index = 4; break;
1789         case wxVERTICAL_HATCH:      index = 5; break;
1790         case wxCROSSDIAG_HATCH:     index = 6; break;
1791         // dashes
1792         case wxDOT:                 index = 7; break;
1793         case wxLONG_DASH:           index = 8; break;
1794         case wxSHORT_DASH:          index = 9; break;
1795         case wxDOT_DASH:            index = 10; break;
1796     }
1797     *pattern = gPatterns[index];
1798 }
1799
1800 void wxDC::MacInstallPen() const
1801 {
1802     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1803     //Pattern     blackColor;
1804     //    if ( m_macPenInstalled )
1805     //        return ;
1806     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1807     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1808     ::RGBForeColor( &forecolor );
1809     ::RGBBackColor( &backcolor );
1810     ::PenNormal() ;
1811     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1812     // null means only one pixel, at whatever resolution
1813     if ( penWidth == 0 )
1814         penWidth = 1 ;
1815     ::PenSize(penWidth, penWidth);
1816
1817     int penStyle = m_pen.GetStyle();
1818     Pattern pat;
1819     if (penStyle == wxUSER_DASH)
1820     {
1821         // FIXME: there should be exactly 8 items in the dash
1822         wxDash* dash ;
1823         int number = m_pen.GetDashes(&dash) ;
1824         int index = 0;
1825         for ( int i = 0 ; i < 8 ; ++i )
1826         {
1827             pat.pat[i] = dash[index] ;
1828             if (index < number - 1)
1829                 index++;
1830         }
1831     }
1832     else
1833     {
1834         wxMacGetPattern(penStyle, &pat);
1835     }
1836     ::PenPat(&pat);
1837
1838     short mode = patCopy ;
1839     // todo :
1840     switch( m_logicalFunction )
1841     {
1842     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1843         mode = patOr ;
1844         break ;
1845     case wxINVERT:     // NOT dst
1846         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1847         mode = patXor ;
1848         break ;
1849     case wxXOR:        // src XOR dst
1850         mode = patXor ;
1851         break ;
1852     case wxOR_REVERSE: // src OR (NOT dst)
1853         mode = notPatOr ;
1854         break ;
1855     case wxSRC_INVERT: // (NOT src)
1856         mode = notPatCopy ;
1857         break ;
1858     case wxAND: // src AND dst
1859         mode = adMin ;
1860         break ;
1861         // unsupported TODO
1862     case wxCLEAR:      // 0
1863     case wxAND_REVERSE:// src AND (NOT dst)
1864     case wxAND_INVERT: // (NOT src) AND dst
1865     case wxNO_OP:      // dst
1866     case wxNOR:        // (NOT src) AND (NOT dst)
1867     case wxEQUIV:      // (NOT src) XOR dst
1868     case wxOR_INVERT:  // (NOT src) OR dst
1869     case wxNAND:       // (NOT src) OR (NOT dst)
1870     case wxOR:         // src OR dst
1871     case wxSET:        // 1
1872         //        case wxSRC_OR:     // source _bitmap_ OR destination
1873         //        case wxSRC_AND:     // source _bitmap_ AND destination
1874         break ;
1875     }
1876     ::PenMode( mode ) ;
1877     m_macPenInstalled = true ;
1878     m_macBrushInstalled = false ;
1879     m_macFontInstalled = false ;
1880 }
1881
1882 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1883 {
1884     Pattern whiteColor ;
1885     if ( background.Ok() )
1886     {
1887         switch( background.MacGetBrushKind() )
1888         {
1889             case kwxMacBrushTheme :
1890             {
1891                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1892                 break ;
1893             }
1894             case kwxMacBrushThemeBackground :
1895             {
1896                 Rect extent ;
1897                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1898                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1899                 break ;
1900             }
1901             case kwxMacBrushColour :
1902             {
1903                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1904                 int brushStyle = background.GetStyle();
1905                 if (brushStyle == wxSOLID)
1906                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1907                 else if (background.IsHatch())
1908                 {
1909                     Pattern pat ;
1910                     wxMacGetPattern(brushStyle, &pat);
1911                     ::BackPat(&pat);
1912                 }
1913                 else
1914                 {
1915                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1916                 }
1917                 break ;
1918             }
1919         }
1920     }
1921 }
1922
1923 void wxDC::MacInstallBrush() const
1924 {
1925     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1926     Pattern     blackColor ;
1927     //    if ( m_macBrushInstalled )
1928     //        return ;
1929     // foreground
1930     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1931     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1932     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1933     int brushStyle = m_brush.GetStyle();
1934     if (brushStyle == wxSOLID)
1935     {
1936         ::PenPat(GetQDGlobalsBlack(&blackColor));
1937     }
1938     else if (m_brush.IsHatch())
1939     {
1940         Pattern pat ;
1941         wxMacGetPattern(brushStyle, &pat);
1942         ::PenPat(&pat);
1943     }
1944     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1945     {
1946         // we force this in order to be compliant with wxMSW
1947         backgroundTransparent = false ;
1948         // for these the text fore (and back for MASK_OPAQUE) colors are used
1949         wxBitmap* bitmap = m_brush.GetStipple() ;
1950         int width = bitmap->GetWidth() ;
1951         int height = bitmap->GetHeight() ;
1952         GWorldPtr gw = NULL ;
1953         if ( m_brush.GetStyle() == wxSTIPPLE )
1954             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
1955         else
1956             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
1957         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
1958         LockPixels( gwpixmaphandle ) ;
1959         bool isMonochrome = !IsPortColor( gw ) ;
1960         if ( !isMonochrome )
1961         {
1962             if ( (**gwpixmaphandle).pixelSize == 1 )
1963                 isMonochrome = true ;
1964         }
1965         if ( isMonochrome && width == 8 && height == 8 )
1966         {
1967             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
1968             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
1969             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
1970             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
1971             int alignment = gwbitmap->rowBytes & 0x7FFF ;
1972             Pattern pat ;
1973             for ( int i = 0 ; i < 8 ; ++i )
1974             {
1975                 pat.pat[i] = gwbits[i*alignment+0] ;
1976             }
1977             UnlockPixels( GetGWorldPixMap( gw ) ) ;
1978             ::PenPat( &pat ) ;
1979         }
1980         else
1981         {
1982             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
1983             // caching scheme before putting this into production
1984             Handle      image;
1985             long        imageSize;
1986             PixPatHandle pixpat = NewPixPat() ;
1987             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
1988             imageSize = GetPixRowBytes((**pixpat).patMap) *
1989                 ((**(**pixpat).patMap).bounds.bottom -
1990                 (**(**pixpat).patMap).bounds.top);
1991             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
1992             (**pixpat).patData = image;
1993             if ( isMonochrome )
1994             {
1995                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
1996                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
1997                 if ( ctspec[0].rgb.red == 0x0000 )
1998                 {
1999                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2000                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2001                 }
2002                 else
2003                 {
2004                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2005                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2006                 }
2007                 ::CTabChanged( ctable ) ;
2008             }
2009             ::PenPixPat(pixpat);
2010             m_macForegroundPixMap = pixpat ;
2011         }
2012         UnlockPixels( gwpixmaphandle ) ;
2013     }
2014     else
2015     {
2016         ::PenPat(GetQDGlobalsBlack(&blackColor));
2017     }
2018     short mode = patCopy ;
2019     switch( m_logicalFunction )
2020     {
2021     case wxCOPY:       // src
2022         if ( backgroundTransparent )
2023             mode = patOr ;
2024         else
2025             mode = patCopy ;
2026         break ;
2027     case wxINVERT:     // NOT dst
2028         if ( !backgroundTransparent )
2029         {
2030             ::PenPat(GetQDGlobalsBlack(&blackColor));
2031         }
2032         mode = patXor ;
2033         break ;
2034     case wxXOR:        // src XOR dst
2035         mode = patXor ;
2036         break ;
2037     case wxOR_REVERSE: // src OR (NOT dst)
2038         mode = notPatOr ;
2039         break ;
2040     case wxSRC_INVERT: // (NOT src)
2041         mode = notPatCopy ;
2042         break ;
2043     case wxAND: // src AND dst
2044         mode = adMin ;
2045         break ;
2046         // unsupported TODO
2047     case wxCLEAR:      // 0
2048     case wxAND_REVERSE:// src AND (NOT dst)
2049     case wxAND_INVERT: // (NOT src) AND dst
2050     case wxNO_OP:      // dst
2051     case wxNOR:        // (NOT src) AND (NOT dst)
2052     case wxEQUIV:      // (NOT src) XOR dst
2053     case wxOR_INVERT:  // (NOT src) OR dst
2054     case wxNAND:       // (NOT src) OR (NOT dst)
2055     case wxOR:         // src OR dst
2056     case wxSET:        // 1
2057         //        case wxSRC_OR:     // source _bitmap_ OR destination
2058         //        case wxSRC_AND:     // source _bitmap_ AND destination
2059         break ;
2060     }
2061     ::PenMode( mode ) ;
2062     m_macBrushInstalled = true ;
2063     m_macPenInstalled = false ;
2064     m_macFontInstalled = false ;
2065 }
2066
2067 // ---------------------------------------------------------------------------
2068 // coordinates transformations
2069 // ---------------------------------------------------------------------------
2070
2071 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2072 {
2073     return ((wxDC *)this)->XDEV2LOG(x);
2074 }
2075
2076 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2077 {
2078     return ((wxDC *)this)->YDEV2LOG(y);
2079 }
2080
2081 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2082 {
2083     return ((wxDC *)this)->XDEV2LOGREL(x);
2084 }
2085
2086 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2087 {
2088     return ((wxDC *)this)->YDEV2LOGREL(y);
2089 }
2090
2091 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2092 {
2093     return ((wxDC *)this)->XLOG2DEV(x);
2094 }
2095
2096 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2097 {
2098     return ((wxDC *)this)->YLOG2DEV(y);
2099 }
2100
2101 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2102 {
2103     return ((wxDC *)this)->XLOG2DEVREL(x);
2104 }
2105
2106 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2107 {
2108     return ((wxDC *)this)->YLOG2DEVREL(y);
2109 }