src/mac/carbon/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/dc.h"
  17 #include "wx/app.h"
  18 #include "wx/mac/uma.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/dcprint.h"
  21 #include "wx/region.h"
  22 #include "wx/image.h"
  23 #include "wx/log.h"
  24
  25 #if __MSL__ >= 0x6000
  26 #include "math.h"
  27 namespace std {}
  28 using namespace std ;
  29 #endif
  30
  31 #include "wx/mac/private.h"
  32 #include <ATSUnicode.h>
  33 #include <TextCommon.h>
  34 #include <TextEncodingConverter.h>
  35 #include <FixMath.h>
  36 #if !USE_SHARED_LIBRARY
  37 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  38 #endif
  39
  40 //-----------------------------------------------------------------------------
  41 // constants
  42 //-----------------------------------------------------------------------------
  43
  44 #define mm2inches        0.0393700787402
  45 #define inches2mm        25.4
  46 #define mm2twips        56.6929133859
  47 #define twips2mm        0.0176388888889
  48 #define mm2pt            2.83464566929
  49 #define pt2mm            0.352777777778
  50 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  51 #ifndef M_PI
  52 const double M_PI = 3.14159265358979 ;
  53 #endif
  54 #endif
  55 const double RAD2DEG  = 180.0 / M_PI;
  56 const short kEmulatedMode = -1 ;
  57 const short kUnsupportedMode = -2 ;
  58
  59 extern TECObjectRef s_TECNativeCToUnicode ;
  60
  61 // set to 0 if problems arise
  62 #define wxMAC_EXPERIMENTAL_DC 1
  63
  64 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  65     m_ph( (GrafPtr) dc->m_macPort )
  66 {
  67     wxASSERT( dc->Ok() ) ;
  68     m_dc = dc ;
  69     dc->MacSetupPort(&m_ph) ;
  70 }
  71 wxMacPortSetter::~wxMacPortSetter()
  72 {
  73     m_dc->MacCleanupPort(&m_ph) ;
  74 }
  75
  76 #if wxMAC_EXPERIMENTAL_DC
  77 class wxMacFastPortSetter
  78 {
  79 public :
  80     wxMacFastPortSetter( const wxDC *dc )
  81     {
  82         wxASSERT( dc->Ok() ) ;
  83         m_swapped = QDSwapPort( (GrafPtr) dc->m_macPort , &m_oldPort ) ;
  84         m_clipRgn = NewRgn() ;
  85         GetClip( m_clipRgn ) ;
  86         m_dc = dc ;
  87         dc->MacSetupPort( NULL ) ;
  88     }
  89     ~wxMacFastPortSetter()
  90     {
  91         // SetPort( (GrafPtr) m_dc->m_macPort ) ;
  92         SetClip( m_clipRgn ) ;
  93         if ( m_swapped )
  94             SetPort( m_oldPort ) ;
  95         m_dc->MacCleanupPort( NULL ) ;
  96         DisposeRgn( m_clipRgn ) ;
  97     }
  98 private :
  99     bool m_swapped ;
 100     RgnHandle m_clipRgn ;
 101     GrafPtr m_oldPort ;
 102     const wxDC*   m_dc ;
 103 } ;
 104
 105 #else
 106 typedef wxMacPortSetter wxMacFastPortSetter ;
 107 #endif
 108
 109 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 110     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 111 {
 112     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 113     m_formerClip = NewRgn() ;
 114     m_newClip = NewRgn() ;
 115     GetClip( m_formerClip ) ;
 116
 117     if ( win )
 118     {
 119         int x = 0 , y = 0;
 120         win->MacWindowToRootWindow( &x,&y ) ;
 121         // get area including focus rect
 122         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 123         if ( !EmptyRgn( m_newClip ) )
 124             OffsetRgn( m_newClip , x , y ) ;
 125
 126         SetClip( m_newClip ) ;
 127     }
 128 }
 129
 130 wxMacWindowClipper::~wxMacWindowClipper()
 131 {
 132     SetPort( m_newPort ) ;
 133     SetClip( m_formerClip ) ;
 134     DisposeRgn( m_newClip ) ;
 135     DisposeRgn( m_formerClip ) ;
 136 }
 137
 138 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 139     wxMacWindowClipper( win )
 140 {
 141     // the port is already set at this point
 142     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 143     GetThemeDrawingState( &m_themeDrawingState ) ;
 144 }
 145
 146 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 147 {
 148     SetPort( m_newPort ) ;
 149     SetThemeDrawingState( m_themeDrawingState , true ) ;
 150 }
 151
 152 //-----------------------------------------------------------------------------
 153 // Local functions
 154 //-----------------------------------------------------------------------------
 155 static inline double dmin(double a, double b) { return a < b ? a : b; }
 156 static inline double dmax(double a, double b) { return a > b ? a : b; }
 157 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 158
 159 //-----------------------------------------------------------------------------
 160 // wxDC
 161 //-----------------------------------------------------------------------------
 162 // this function emulates all wx colour manipulations, used to verify the implementation
 163 // by setting the mode in the blitting functions to kEmulatedMode
 164 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 165
 166 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 167 {
 168     switch ( logical_func )
 169     {
 170         case wxAND:        // src AND 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 wxAND_INVERT: // (NOT src) AND dst
 176             dstColor.red = dstColor.red & ~srcColor.red ;
 177             dstColor.green = dstColor.green & ~srcColor.green ;
 178             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 179             break ;
 180         case wxAND_REVERSE:// src AND (NOT dst)
 181             dstColor.red = ~dstColor.red & srcColor.red ;
 182             dstColor.green = ~dstColor.green & srcColor.green ;
 183             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 184             break ;
 185         case wxCLEAR:      // 0
 186             dstColor.red = 0 ;
 187             dstColor.green = 0 ;
 188             dstColor.blue = 0 ;
 189             break ;
 190         case wxCOPY:       // src
 191             dstColor.red = srcColor.red ;
 192             dstColor.green = srcColor.green ;
 193             dstColor.blue = srcColor.blue ;
 194             break ;
 195         case wxEQUIV:      // (NOT src) XOR 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 wxINVERT:     // NOT dst
 201             dstColor.red = ~dstColor.red ;
 202             dstColor.green = ~dstColor.green ;
 203             dstColor.blue = ~dstColor.blue ;
 204             break ;
 205         case wxNAND:       // (NOT src) OR (NOT dst)
 206             dstColor.red = ~dstColor.red | ~srcColor.red ;
 207             dstColor.green = ~dstColor.green | ~srcColor.green ;
 208             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 209             break ;
 210         case wxNOR:        // (NOT src) AND (NOT 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 wxNO_OP:      // dst
 216             break ;
 217         case wxOR:         // src OR 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 wxOR_INVERT:  // (NOT src) OR dst
 223             dstColor.red = dstColor.red | ~srcColor.red ;
 224             dstColor.green = dstColor.green | ~srcColor.green ;
 225             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 226             break ;
 227         case wxOR_REVERSE: // src OR (NOT dst)
 228             dstColor.red = ~dstColor.red | srcColor.red ;
 229             dstColor.green = ~dstColor.green | srcColor.green ;
 230             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 231             break ;
 232         case wxSET:        // 1
 233             dstColor.red = 0xFFFF ;
 234             dstColor.green = 0xFFFF ;
 235             dstColor.blue = 0xFFFF ;
 236             break ;
 237         case wxSRC_INVERT: // (NOT src)
 238             dstColor.red = ~srcColor.red ;
 239             dstColor.green = ~srcColor.green ;
 240             dstColor.blue = ~srcColor.blue ;
 241             break ;
 242         case wxXOR:        // src XOR dst
 243             dstColor.red = dstColor.red ^ srcColor.red ;
 244             dstColor.green = dstColor.green ^ srcColor.green ;
 245             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 246             break ;
 247     }
 248 }
 249
 250 wxDC::wxDC()
 251 {
 252     m_ok = false;
 253     m_colour = true;
 254     m_mm_to_pix_x = mm2pt;
 255     m_mm_to_pix_y = mm2pt;
 256     m_internalDeviceOriginX = 0;
 257     m_internalDeviceOriginY = 0;
 258     m_externalDeviceOriginX = 0;
 259     m_externalDeviceOriginY = 0;
 260     m_logicalScaleX = 1.0;
 261     m_logicalScaleY = 1.0;
 262     m_userScaleX = 1.0;
 263     m_userScaleY = 1.0;
 264     m_scaleX = 1.0;
 265     m_scaleY = 1.0;
 266     m_needComputeScaleX = false;
 267     m_needComputeScaleY = false;
 268     m_macPort = NULL ;
 269     m_macMask = NULL ;
 270     m_ok = false ;
 271     m_macFontInstalled = false ;
 272     m_macBrushInstalled = false ;
 273     m_macPenInstalled = false ;
 274     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 275     m_macBoundaryClipRgn = NewRgn() ;
 276     m_macCurrentClipRgn = NewRgn() ;
 277     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 278     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 279     m_pen = *wxBLACK_PEN;
 280     m_font = *wxNORMAL_FONT;
 281     m_brush = *wxWHITE_BRUSH;
 282 #ifdef __WXDEBUG__
 283     // needed to debug possible errors with two active drawing methods at the same time on
 284     // the same DC
 285     m_macCurrentPortStateHelper = NULL ;
 286 #endif
 287     m_macATSUIStyle = NULL ;
 288     m_macAliasWasEnabled = false;
 289     m_macForegroundPixMap = NULL ;
 290     m_macBackgroundPixMap = NULL ;
 291 }
 292
 293 wxDC::~wxDC(void)
 294 {
 295     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 296     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 297 }
 298
 299 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 300 {
 301 #ifdef __WXDEBUG__
 302     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 303     m_macCurrentPortStateHelper = help ;
 304 #endif
 305     SetClip( (RgnHandle) m_macCurrentClipRgn);
 306 #if ! wxMAC_EXPERIMENTAL_DC
 307     m_macFontInstalled = false ;
 308     m_macBrushInstalled = false ;
 309     m_macPenInstalled = false ;
 310 #endif
 311 }
 312 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 313 {
 314 #ifdef __WXDEBUG__
 315     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 316     m_macCurrentPortStateHelper = NULL ;
 317 #endif
 318     if( m_macATSUIStyle )
 319     {
 320         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 321         m_macATSUIStyle = NULL ;
 322     }
 323     if ( m_macAliasWasEnabled )
 324     {
 325         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 326         m_macAliasWasEnabled = false ;
 327     }
 328     if ( m_macForegroundPixMap )
 329     {
 330         Pattern blackColor ;
 331         ::PenPat(GetQDGlobalsBlack(&blackColor));
 332         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 333         m_macForegroundPixMap = NULL ;
 334     }
 335     if ( m_macBackgroundPixMap )
 336     {
 337         Pattern whiteColor ;
 338         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 339         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 340         m_macBackgroundPixMap = NULL ;
 341     }
 342 }
 343
 344 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 345 {
 346      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 347      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 348      wxMacFastPortSetter helper(this) ;
 349      wxCoord xx = XLOG2DEVMAC(x);
 350      wxCoord yy = YLOG2DEVMAC(y);
 351      wxCoord w = bmp.GetWidth();
 352      wxCoord h = bmp.GetHeight();
 353      wxCoord ww = XLOG2DEVREL(w);
 354      wxCoord hh = YLOG2DEVREL(h);
 355      // Set up drawing mode
 356      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 357                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 358                     //m_logicalFunction == wxSET ? BLACKNESS :
 359                     m_logicalFunction == wxINVERT ? hilite :
 360                    //m_logicalFunction == wxAND ? MERGECOPY :
 361                     m_logicalFunction == wxOR ? srcOr :
 362                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 363                     m_logicalFunction == wxXOR ? srcXor :
 364                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 365                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 366                     //m_logicalFunction == wxSRC_OR ? srcOr :
 367                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 368                     srcCopy );
 369      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 370          Rect bitmaprect = { 0 , 0 , hh, ww };
 371          ::OffsetRect( &bitmaprect, xx, yy ) ;
 372          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 373     }
 374      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 375      {
 376          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 377          PixMapHandle bmappixels ;
 378          // Set foreground and background colours (for bitmaps depth = 1)
 379          if(bmp.GetDepth() == 1)
 380         {
 381              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 382              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 383              RGBForeColor(&fore);
 384              RGBBackColor(&back);
 385          }
 386          else
 387          {
 388              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 389              RGBColor black = { 0,0,0} ;
 390              RGBForeColor( &black ) ;
 391              RGBBackColor( &white ) ;
 392          }
 393          bmappixels = GetGWorldPixMap( bmapworld ) ;
 394          wxCHECK_RET(LockPixels(bmappixels),
 395                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 396          Rect source = { 0, 0, h, w };
 397          Rect dest   = { yy, xx, yy + hh, xx + ww };
 398          if ( useMask && bmp.GetMask() )
 399          {
 400              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 401              {
 402                  CopyDeepMask
 403                      (
 404                       GetPortBitMapForCopyBits(bmapworld),
 405                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 406                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 407                       &source, &source, &dest, mode, NULL
 408                       );
 409                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 410              }
 411          }
 412          else {
 413              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 414                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 415                        &source, &dest, mode, NULL ) ;
 416          }
 417          UnlockPixels( bmappixels ) ;
 418      }
 419      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 420      {
 421         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 422         OffsetRect( &bitmaprect, xx, yy ) ;
 423         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 424      }
 425      m_macPenInstalled = false ;
 426      m_macBrushInstalled = false ;
 427      m_macFontInstalled = false ;
 428 }
 429
 430 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 431 {
 432     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 433     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 434     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 435 }
 436
 437 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 438 {
 439     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 440     wxCoord xx, yy, ww, hh;
 441     xx = XLOG2DEVMAC(x);
 442     yy = YLOG2DEVMAC(y);
 443     ww = XLOG2DEVREL(width);
 444     hh = YLOG2DEVREL(height);
 445     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 446     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 447     if( m_clipping )
 448     {
 449         m_clipX1 = wxMax( m_clipX1 , xx );
 450         m_clipY1 = wxMax( m_clipY1 , yy );
 451         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 452         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 453     }
 454     else
 455     {
 456         m_clipping = true;
 457         m_clipX1 = xx;
 458         m_clipY1 = yy;
 459         m_clipX2 = xx + ww;
 460         m_clipY2 = yy + hh;
 461     }
 462 }
 463
 464 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 465 {
 466     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 467     if (region.Empty())
 468     {
 469         DestroyClippingRegion();
 470         return;
 471     }
 472     wxMacFastPortSetter helper(this) ;
 473     wxCoord x, y, w, h;
 474     region.GetBox( x, y, w, h );
 475     wxCoord xx, yy, ww, hh;
 476     xx = XLOG2DEVMAC(x);
 477     yy = YLOG2DEVMAC(y);
 478     ww = XLOG2DEVREL(w);
 479     hh = YLOG2DEVREL(h);
 480     // if we have a scaling that we cannot map onto native regions
 481     // we must use the box
 482     if ( ww != w || hh != h )
 483     {
 484         wxDC::DoSetClippingRegion( x, y, w, h );
 485     }
 486     else
 487     {
 488         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 489         if ( xx != x || yy != y )
 490         {
 491             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 492         }
 493         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 494         if( m_clipping )
 495         {
 496             m_clipX1 = wxMax( m_clipX1 , xx );
 497             m_clipY1 = wxMax( m_clipY1 , yy );
 498             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 499             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 500         }
 501         else
 502         {
 503             m_clipping = true;
 504             m_clipX1 = xx;
 505             m_clipY1 = yy;
 506             m_clipX2 = xx + ww;
 507             m_clipY2 = yy + hh;
 508         }
 509     }
 510 }
 511
 512 void wxDC::DestroyClippingRegion()
 513 {
 514     wxMacFastPortSetter helper(this) ;
 515     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 516     ResetClipping();
 517 }
 518
 519 void wxDC::DoGetSizeMM( int* width, int* height ) const
 520 {
 521     int w = 0;
 522     int h = 0;
 523     GetSize( &w, &h );
 524     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 525     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 526 }
 527
 528 void wxDC::SetTextForeground( const wxColour &col )
 529 {
 530     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 531     m_textForegroundColour = col;
 532     m_macFontInstalled = false ;
 533 }
 534
 535 void wxDC::SetTextBackground( const wxColour &col )
 536 {
 537     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 538     m_textBackgroundColour = col;
 539     m_macFontInstalled = false ;
 540 }
 541
 542 void wxDC::SetMapMode( int mode )
 543 {
 544     switch (mode)
 545     {
 546     case wxMM_TWIPS:
 547         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 548         break;
 549     case wxMM_POINTS:
 550         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 551         break;
 552     case wxMM_METRIC:
 553         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 554         break;
 555     case wxMM_LOMETRIC:
 556         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 557         break;
 558     default:
 559     case wxMM_TEXT:
 560         SetLogicalScale( 1.0, 1.0 );
 561         break;
 562     }
 563     if (mode != wxMM_TEXT)
 564     {
 565         m_needComputeScaleX = true;
 566         m_needComputeScaleY = true;
 567     }
 568 }
 569
 570 void wxDC::SetUserScale( double x, double y )
 571 {
 572     // allow negative ? -> no
 573     m_userScaleX = x;
 574     m_userScaleY = y;
 575     ComputeScaleAndOrigin();
 576 }
 577
 578 void wxDC::SetLogicalScale( double x, double y )
 579 {
 580     // allow negative ?
 581     m_logicalScaleX = x;
 582     m_logicalScaleY = y;
 583     ComputeScaleAndOrigin();
 584 }
 585
 586 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 587 {
 588     m_logicalOriginX = x * m_signX;   // is this still correct ?
 589     m_logicalOriginY = y * m_signY;
 590     ComputeScaleAndOrigin();
 591 }
 592
 593 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 594 {
 595     m_externalDeviceOriginX = x;
 596     m_externalDeviceOriginY = y;
 597     ComputeScaleAndOrigin();
 598 }
 599
 600 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 601 {
 602     m_signX = (xLeftRight ?  1 : -1);
 603     m_signY = (yBottomUp  ? -1 :  1);
 604     ComputeScaleAndOrigin();
 605 }
 606
 607 wxSize wxDC::GetPPI() const
 608 {
 609     return wxSize(72, 72);
 610 }
 611
 612 int wxDC::GetDepth() const
 613 {
 614     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 615     {
 616         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 617     }
 618     return 1 ;
 619 }
 620
 621 void wxDC::ComputeScaleAndOrigin()
 622 {
 623     // CMB: copy scale to see if it changes
 624     double origScaleX = m_scaleX;
 625     double origScaleY = m_scaleY;
 626     m_scaleX = m_logicalScaleX * m_userScaleX;
 627     m_scaleY = m_logicalScaleY * m_userScaleY;
 628     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 629     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 630     // CMB: if scale has changed call SetPen to recalulate the line width
 631     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 632     {
 633         // this is a bit artificial, but we need to force wxDC to think
 634         // the pen has changed
 635         wxPen pen(GetPen());
 636         m_pen = wxNullPen;
 637         SetPen(pen);
 638     }
 639 }
 640
 641 void  wxDC::SetPalette( const wxPalette& palette )
 642 {
 643 }
 644
 645 void  wxDC::SetBackgroundMode( int mode )
 646 {
 647     m_backgroundMode = mode ;
 648 }
 649
 650 void  wxDC::SetFont( const wxFont &font )
 651 {
 652     m_font = font;
 653     m_macFontInstalled = false ;
 654 }
 655
 656 void  wxDC::SetPen( const wxPen &pen )
 657 {
 658     if ( m_pen == pen )
 659         return ;
 660     m_pen = pen;
 661     m_macPenInstalled = false ;
 662 }
 663
 664 void  wxDC::SetBrush( const wxBrush &brush )
 665 {
 666     if (m_brush == brush)
 667         return;
 668     m_brush = brush;
 669     m_macBrushInstalled = false ;
 670 }
 671
 672 void  wxDC::SetBackground( const wxBrush &brush )
 673 {
 674     if (m_backgroundBrush == brush)
 675         return;
 676     m_backgroundBrush = brush;
 677     if (!m_backgroundBrush.Ok())
 678         return;
 679     m_macBrushInstalled = false ;
 680 }
 681
 682 void  wxDC::SetLogicalFunction( int function )
 683 {
 684     if (m_logicalFunction == function)
 685         return;
 686     m_logicalFunction = function ;
 687     m_macFontInstalled = false ;
 688     m_macBrushInstalled = false ;
 689     m_macPenInstalled = false ;
 690 }
 691
 692 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 693                           const wxColour & col, int style);
 694
 695 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 696                        const wxColour& col, int style)
 697 {
 698     return wxDoFloodFill(this, x, y, col, style);
 699 }
 700
 701 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 702 {
 703     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 704     wxMacFastPortSetter helper(this) ;
 705     RGBColor colour;
 706     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 707     // Convert from Mac colour to wx
 708     col->Set( colour.red   >> 8,
 709         colour.green >> 8,
 710         colour.blue  >> 8);
 711     return true ;
 712 }
 713
 714 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 715 {
 716     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 717     wxMacFastPortSetter helper(this) ;
 718     if (m_pen.GetStyle() != wxTRANSPARENT)
 719     {
 720         MacInstallPen() ;
 721         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 722         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 723         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 724         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 725         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 726         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 727         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 728             (m_pen.GetWidth() <= 1))
 729         {
 730             // Implement LAST_NOT for MAC at least for
 731             // orthogonal lines. RR.
 732             if (xx1 == xx2)
 733             {
 734                 if (yy1 < yy2)
 735                     yy2--;
 736                 if (yy1 > yy2)
 737                     yy2++;
 738             }
 739             if (yy1 == yy2)
 740             {
 741                 if (xx1 < xx2)
 742                     xx2--;
 743                 if (xx1 > xx2)
 744                     xx2++;
 745             }
 746         }
 747         ::MoveTo(xx1, yy1);
 748         ::LineTo(xx2, yy2);
 749     }
 750 }
 751
 752 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 753 {
 754     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 755     wxMacFastPortSetter helper(this) ;
 756     if (m_pen.GetStyle() != wxTRANSPARENT)
 757     {
 758         int w = 0;
 759         int h = 0;
 760         GetSize( &w, &h );
 761         wxCoord xx = XLOG2DEVMAC(x);
 762         wxCoord yy = YLOG2DEVMAC(y);
 763         MacInstallPen();
 764         ::MoveTo( XLOG2DEVMAC(0), yy );
 765         ::LineTo( XLOG2DEVMAC(w), yy );
 766         ::MoveTo( xx, YLOG2DEVMAC(0) );
 767         ::LineTo( xx, YLOG2DEVMAC(h) );
 768         CalcBoundingBox(x, y);
 769         CalcBoundingBox(x+w, y+h);
 770     }
 771 }
 772
 773 /*
 774 * To draw arcs properly the angles need to be converted from the WX style:
 775 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 776 * a normal axis on paper).
 777 * TO
 778 * the Mac style:
 779 * Angles start on the +ve y axis and go clockwise.
 780 */
 781
 782 static double wxConvertWXangleToMACangle(double angle)
 783 {
 784     double newAngle = 90 - angle ;
 785     while ( newAngle > 360 ) newAngle -= 360 ;
 786     while ( newAngle < 0 ) newAngle += 360 ;
 787     return newAngle ;
 788 }
 789
 790 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 791                       wxCoord x2, wxCoord y2,
 792                       wxCoord xc, wxCoord yc )
 793 {
 794     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 795     wxMacFastPortSetter helper(this) ;
 796     wxCoord xx1 = XLOG2DEVMAC(x1);
 797     wxCoord yy1 = YLOG2DEVMAC(y1);
 798     wxCoord xx2 = XLOG2DEVMAC(x2);
 799     wxCoord yy2 = YLOG2DEVMAC(y2);
 800     wxCoord xxc = XLOG2DEVMAC(xc);
 801     wxCoord yyc = YLOG2DEVMAC(yc);
 802     double dx = xx1 - xxc;
 803     double dy = yy1 - yyc;
 804     double radius = sqrt((double)(dx*dx+dy*dy));
 805     wxCoord rad   = (wxCoord)radius;
 806     double radius1, radius2;
 807     if (xx1 == xx2 && yy1 == yy2)
 808     {
 809         radius1 = 0.0;
 810         radius2 = 360.0;
 811     }
 812     else if (radius == 0.0)
 813     {
 814         radius1 = radius2 = 0.0;
 815     }
 816     else
 817     {
 818         radius1 = (xx1 - xxc == 0) ?
 819             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 820         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 821         radius2 = (xx2 - xxc == 0) ?
 822             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 823         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 824     }
 825     wxCoord alpha2 = wxCoord(radius2 - radius1);
 826     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 827     while( alpha2 < 0 ) alpha2 += 360 ;
 828     alpha2 = -alpha2 ;
 829     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 830     if(m_brush.GetStyle() != wxTRANSPARENT) {
 831         MacInstallBrush();
 832         PaintArc(&r, alpha1, alpha2);
 833     }
 834     if(m_pen.GetStyle() != wxTRANSPARENT) {
 835         MacInstallPen();
 836         FrameArc(&r, alpha1, alpha2);
 837     }
 838 }
 839
 840 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 841                               double sa, double ea )
 842 {
 843     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 844     wxMacFastPortSetter helper(this) ;
 845     Rect r;
 846     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 847     // we have to make sure that the filling is always counter-clockwise
 848     if ( angle > 0 )
 849         angle -= 360 ;
 850     wxCoord xx = XLOG2DEVMAC(x);
 851     wxCoord yy = YLOG2DEVMAC(y);
 852     wxCoord ww = m_signX * XLOG2DEVREL(w);
 853     wxCoord hh = m_signY * YLOG2DEVREL(h);
 854     // handle -ve width and/or height
 855     if (ww < 0) { ww = -ww; xx = xx - ww; }
 856     if (hh < 0) { hh = -hh; yy = yy - hh; }
 857     sa = wxConvertWXangleToMACangle(sa);
 858     r.top    = yy;
 859     r.left   = xx;
 860     r.bottom = yy + hh;
 861     r.right  = xx + ww;
 862     if(m_brush.GetStyle() != wxTRANSPARENT) {
 863         MacInstallBrush();
 864         PaintArc(&r, (short)sa, (short)angle);
 865     }
 866     if(m_pen.GetStyle() != wxTRANSPARENT) {
 867         MacInstallPen();
 868         FrameArc(&r, (short)sa, (short)angle);
 869     }
 870 }
 871
 872 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 873 {
 874     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 875     wxMacFastPortSetter helper(this) ;
 876     if (m_pen.GetStyle() != wxTRANSPARENT)
 877     {
 878         wxCoord xx1 = XLOG2DEVMAC(x);
 879         wxCoord yy1 = YLOG2DEVMAC(y);
 880         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 881         ::SetCPixel( xx1,yy1,&pencolor) ;
 882         CalcBoundingBox(x, y);
 883     }
 884 }
 885
 886 void  wxDC::DoDrawLines(int n, wxPoint points[],
 887                         wxCoord xoffset, wxCoord yoffset)
 888 {
 889     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 890     wxMacFastPortSetter helper(this) ;
 891     if (m_pen.GetStyle() == wxTRANSPARENT)
 892         return;
 893     MacInstallPen() ;
 894     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 895     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 896     wxCoord x1, x2 , y1 , y2 ;
 897     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 898     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 899     ::MoveTo(x1 - offset, y1 - offset );
 900     for (int i = 0; i < n-1; i++)
 901     {
 902         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 903         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 904         ::LineTo( x2 - offset, y2 - offset );
 905     }
 906 }
 907
 908 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 909                           wxCoord xoffset, wxCoord yoffset,
 910                           int fillStyle )
 911 {
 912     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 913     wxMacFastPortSetter helper(this) ;
 914     wxCoord x1, x2 , y1 , y2 ;
 915     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 916         return ;
 917     PolyHandle polygon = OpenPoly();
 918     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 919     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 920     ::MoveTo(x1,y1);
 921     for (int i = 1; i < n; i++)
 922     {
 923         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 924         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 925         ::LineTo(x2, y2);
 926     }
 927     // close the polyline if necessary
 928     if ( x1 != x2 || y1 != y2 )
 929     {
 930         ::LineTo(x1,y1 ) ;
 931     }
 932     ClosePoly();
 933     if (m_brush.GetStyle() != wxTRANSPARENT)
 934     {
 935         MacInstallBrush();
 936         ::PaintPoly( polygon );
 937     }
 938     if (m_pen.GetStyle() != wxTRANSPARENT)
 939     {
 940         MacInstallPen() ;
 941         ::FramePoly( polygon ) ;
 942     }
 943     KillPoly( polygon );
 944 }
 945
 946 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 947 {
 948     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 949     wxMacFastPortSetter helper(this) ;
 950     wxCoord xx = XLOG2DEVMAC(x);
 951     wxCoord yy = YLOG2DEVMAC(y);
 952     wxCoord ww = m_signX * XLOG2DEVREL(width);
 953     wxCoord hh = m_signY * YLOG2DEVREL(height);
 954     // CMB: draw nothing if transformed w or h is 0
 955     if (ww == 0 || hh == 0)
 956         return;
 957     // CMB: handle -ve width and/or height
 958     if (ww < 0)
 959     {
 960         ww = -ww;
 961         xx = xx - ww;
 962     }
 963     if (hh < 0)
 964     {
 965         hh = -hh;
 966         yy = yy - hh;
 967     }
 968     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 969     if (m_brush.GetStyle() != wxTRANSPARENT)
 970     {
 971         MacInstallBrush() ;
 972         ::PaintRect( &rect ) ;
 973     }
 974     if (m_pen.GetStyle() != wxTRANSPARENT)
 975     {
 976         MacInstallPen() ;
 977         ::FrameRect( &rect ) ;
 978     }
 979 }
 980
 981 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 982                                    wxCoord width, wxCoord height,
 983                                    double radius)
 984 {
 985     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 986     wxMacFastPortSetter helper(this) ;
 987     if (radius < 0.0)
 988         radius = - radius * ((width < height) ? width : height);
 989     wxCoord xx = XLOG2DEVMAC(x);
 990     wxCoord yy = YLOG2DEVMAC(y);
 991     wxCoord ww = m_signX * XLOG2DEVREL(width);
 992     wxCoord hh = m_signY * YLOG2DEVREL(height);
 993     // CMB: draw nothing if transformed w or h is 0
 994     if (ww == 0 || hh == 0)
 995         return;
 996     // CMB: handle -ve width and/or height
 997     if (ww < 0)
 998     {
 999         ww = -ww;
1000         xx = xx - ww;
1001     }
1002     if (hh < 0)
1003     {
1004         hh = -hh;
1005         yy = yy - hh;
1006     }
1007     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1008     if (m_brush.GetStyle() != wxTRANSPARENT)
1009     {
1010         MacInstallBrush() ;
1011         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1012     }
1013     if (m_pen.GetStyle() != wxTRANSPARENT)
1014     {
1015         MacInstallPen() ;
1016         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1017     }
1018 }
1019
1020 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1021 {
1022     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1023     wxMacFastPortSetter helper(this) ;
1024     wxCoord xx = XLOG2DEVMAC(x);
1025     wxCoord yy = YLOG2DEVMAC(y);
1026     wxCoord ww = m_signX * XLOG2DEVREL(width);
1027     wxCoord hh = m_signY * YLOG2DEVREL(height);
1028     // CMB: draw nothing if transformed w or h is 0
1029     if (ww == 0 || hh == 0)
1030         return;
1031     // CMB: handle -ve width and/or height
1032     if (ww < 0)
1033     {
1034         ww = -ww;
1035         xx = xx - ww;
1036     }
1037     if (hh < 0)
1038     {
1039         hh = -hh;
1040         yy = yy - hh;
1041     }
1042     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1043     if (m_brush.GetStyle() != wxTRANSPARENT)
1044     {
1045         MacInstallBrush() ;
1046         ::PaintOval( &rect ) ;
1047     }
1048     if (m_pen.GetStyle() != wxTRANSPARENT)
1049     {
1050         MacInstallPen() ;
1051         ::FrameOval( &rect ) ;
1052     }
1053 }
1054
1055 bool  wxDC::CanDrawBitmap(void) const
1056 {
1057     return true ;
1058 }
1059
1060 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1061                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1062                    wxCoord xsrcMask,  wxCoord ysrcMask )
1063 {
1064     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1065     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1066     if ( logical_func == wxNO_OP )
1067         return true ;
1068     if (xsrcMask == -1 && ysrcMask == -1)
1069     {
1070         xsrcMask = xsrc; ysrcMask = ysrc;
1071     }
1072     // correct the parameter in case this dc does not have a mask at all
1073     if ( useMask && !source->m_macMask )
1074         useMask = false ;
1075     Rect srcrect , dstrect ;
1076     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1077     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1078     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1079     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1080     dstrect.top = YLOG2DEVMAC(ydest) ;
1081     dstrect.left = XLOG2DEVMAC(xdest) ;
1082     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1083     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1084     short mode = kUnsupportedMode ;
1085     bool invertDestinationFirst = false ;
1086     switch ( logical_func )
1087     {
1088     case wxAND:        // src AND dst
1089         mode = adMin ; // ok
1090         break ;
1091     case wxAND_INVERT: // (NOT src) AND dst
1092         mode = notSrcOr  ; // ok
1093         break ;
1094     case wxAND_REVERSE:// src AND (NOT dst)
1095         invertDestinationFirst = true ;
1096         mode = srcOr ;
1097         break ;
1098     case wxCLEAR:      // 0
1099         mode = kEmulatedMode ;
1100         break ;
1101     case wxCOPY:       // src
1102         mode = srcCopy ; // ok
1103         break ;
1104     case wxEQUIV:      // (NOT src) XOR dst
1105         mode = srcXor ; // ok
1106         break ;
1107     case wxINVERT:     // NOT dst
1108         mode = kEmulatedMode ; //or hilite ;
1109         break ;
1110     case wxNAND:       // (NOT src) OR (NOT dst)
1111         invertDestinationFirst = true ;
1112         mode = srcBic ;
1113         break ;
1114     case wxNOR:        // (NOT src) AND (NOT dst)
1115         invertDestinationFirst = true ;
1116         mode = notSrcOr ;
1117         break ;
1118     case wxNO_OP:      // dst
1119         mode = kEmulatedMode ; // this has already been handled upon entry
1120         break ;
1121     case wxOR:         // src OR dst
1122         mode = notSrcBic ;
1123         break ;
1124     case wxOR_INVERT:  // (NOT src) OR dst
1125         mode = srcBic ;
1126         break ;
1127     case wxOR_REVERSE: // src OR (NOT dst)
1128         invertDestinationFirst = true ;
1129         mode = notSrcBic ;
1130         break ;
1131     case wxSET:        // 1
1132         mode = kEmulatedMode ;
1133         break ;
1134     case wxSRC_INVERT: // (NOT src)
1135         mode = notSrcCopy ; // ok
1136         break ;
1137     case wxXOR:        // src XOR dst
1138         mode = notSrcXor ; // ok
1139         break ;
1140     default :
1141         break ;
1142     }
1143     if ( mode == kUnsupportedMode )
1144     {
1145         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1146         return false ;
1147     }
1148     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1149     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1150     if ( LockPixels(bmappixels) )
1151     {
1152         wxMacFastPortSetter helper(this) ;
1153         if ( source->GetDepth() == 1 )
1154         {
1155             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1156             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1157         }
1158         else
1159         {
1160             // the modes need this, otherwise we'll end up having really nice colors...
1161             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1162             RGBColor    black = { 0,0,0} ;
1163             RGBForeColor( &black ) ;
1164             RGBBackColor( &white ) ;
1165         }
1166         if ( useMask && source->m_macMask )
1167         {
1168             if ( mode == srcCopy )
1169             {
1170                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1171                 {
1172                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1173                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1174                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1175                         &srcrect, &srcrect , &dstrect ) ;
1176                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1177                 }
1178             }
1179             else
1180             {
1181                 RgnHandle clipRgn = NewRgn() ;
1182                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1183                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1184                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1185                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1186                 if ( mode == kEmulatedMode )
1187                 {
1188                     Pattern pat ;
1189                     ::PenPat(GetQDGlobalsBlack(&pat));
1190                     if ( logical_func == wxSET )
1191                     {
1192                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1193                         ::RGBForeColor( &col  ) ;
1194                         ::PaintRgn( clipRgn ) ;
1195                     }
1196                     else if ( logical_func == wxCLEAR )
1197                     {
1198                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1199                         ::RGBForeColor( &col  ) ;
1200                         ::PaintRgn( clipRgn ) ;
1201                     }
1202                     else if ( logical_func == wxINVERT )
1203                     {
1204                         MacInvertRgn( clipRgn ) ;
1205                     }
1206                     else
1207                     {
1208                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1209                         {
1210                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1211                             {
1212                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1213                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1214                                 if ( PtInRgn( dstPoint , clipRgn ) )
1215                                 {
1216                                     RGBColor srcColor ;
1217                                     RGBColor dstColor ;
1218                                     SetPort( (GrafPtr) sourcePort ) ;
1219                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1220                                     SetPort( (GrafPtr) m_macPort ) ;
1221                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1222                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1223                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1224                                 }
1225                             }
1226                         }
1227                     }
1228                 }
1229                 else
1230                 {
1231                     if ( invertDestinationFirst )
1232                     {
1233                         MacInvertRgn( clipRgn ) ;
1234                     }
1235                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1236                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1237                         &srcrect, &dstrect, mode, clipRgn ) ;
1238                 }
1239                 DisposeRgn( clipRgn ) ;
1240             }
1241         }
1242         else
1243         {
1244             RgnHandle clipRgn = NewRgn() ;
1245             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1246             if ( mode == kEmulatedMode )
1247             {
1248                 Pattern pat ;
1249                 ::PenPat(GetQDGlobalsBlack(&pat));
1250                 if ( logical_func == wxSET )
1251                 {
1252                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1253                     ::RGBForeColor( &col  ) ;
1254                     ::PaintRgn( clipRgn ) ;
1255                 }
1256                 else if ( logical_func == wxCLEAR )
1257                 {
1258                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1259                     ::RGBForeColor( &col  ) ;
1260                     ::PaintRgn( clipRgn ) ;
1261                 }
1262                 else if ( logical_func == wxINVERT )
1263                 {
1264                     MacInvertRgn( clipRgn ) ;
1265                 }
1266                 else
1267                 {
1268                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1269                     {
1270                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1271                         {
1272                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1273                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1274                             {
1275                                 RGBColor srcColor ;
1276                                 RGBColor dstColor ;
1277                                 SetPort( (GrafPtr) sourcePort ) ;
1278                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1279                                 SetPort( (GrafPtr) m_macPort ) ;
1280                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1281                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1282                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1283                             }
1284                         }
1285                     }
1286                 }
1287             }
1288             else
1289             {
1290                 if ( invertDestinationFirst )
1291                 {
1292                     MacInvertRgn( clipRgn ) ;
1293                 }
1294                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1295                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1296                     &srcrect, &dstrect, mode, NULL ) ;
1297             }
1298             DisposeRgn( clipRgn ) ;
1299         }
1300         UnlockPixels( bmappixels ) ;
1301     }
1302     m_macPenInstalled = false ;
1303     m_macBrushInstalled = false ;
1304     m_macFontInstalled = false ;
1305     return true;
1306 }
1307
1308 #ifndef FixedToInt
1309 // as macro in FixMath.h for 10.3
1310 inline Fixed    IntToFixed( int inInt )
1311 {
1312     return (((SInt32) inInt) << 16);
1313 }
1314
1315 inline int    FixedToInt( Fixed inFixed )
1316 {
1317     return (((SInt32) inFixed) >> 16);
1318 }
1319 #endif
1320
1321 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1322                               double angle)
1323 {
1324     // TODO support text background color (only possible by hand, ATSUI does not support it)
1325     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1326
1327     if ( str.Length() == 0 )
1328         return ;
1329
1330     wxMacFastPortSetter helper(this) ;
1331     MacInstallFont() ;
1332
1333     if ( 0 )
1334     {
1335         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1336         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1337         m_macAliasWasEnabled = true ;
1338     }
1339     OSStatus status = noErr ;
1340     ATSUTextLayout atsuLayout ;
1341     UniCharCount chars = str.Length() ;
1342     UniChar* ubuf = NULL ;
1343 #if SIZEOF_WCHAR_T == 4
1344     wxMBConvUTF16BE converter ;
1345 #if wxUSE_UNICODE
1346     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1347     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1348     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1349 #else
1350     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1351     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1352     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1353     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1354 #endif
1355     chars = unicharlen / 2 ;
1356 #else
1357 #if wxUSE_UNICODE
1358     ubuf = (UniChar*) str.wc_str() ;
1359 #else
1360     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1361     chars = wxWcslen( wchar.data() ) ;
1362     ubuf = (UniChar*) wchar.data() ;
1363 #endif
1364 #endif
1365
1366     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1367         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1368
1369     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1370     int iAngle = int( angle );
1371     int drawX = XLOG2DEVMAC(x) ;
1372     int drawY = YLOG2DEVMAC(y) ;
1373
1374     ATSUTextMeasurement textBefore ;
1375     ATSUTextMeasurement textAfter ;
1376     ATSUTextMeasurement ascent ;
1377     ATSUTextMeasurement descent ;
1378
1379
1380     if ( abs(iAngle) > 0 )
1381     {
1382         Fixed atsuAngle = IntToFixed( iAngle ) ;
1383         ATSUAttributeTag atsuTags[] =
1384         {
1385             kATSULineRotationTag ,
1386         } ;
1387         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1388         {
1389             sizeof( Fixed ) ,
1390         } ;
1391         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1392         {
1393             &atsuAngle ,
1394         } ;
1395         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1396             atsuTags, atsuSizes, atsuValues ) ;
1397     }
1398     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1399         &textBefore , &textAfter, &ascent , &descent );
1400
1401     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1402     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1403     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1404         IntToFixed(drawX) , IntToFixed(drawY) );
1405     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1406     Rect rect ;
1407     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1408         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1409     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1410     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1411     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1412     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1413     ::ATSUDisposeTextLayout(atsuLayout);
1414 #if SIZEOF_WCHAR_T == 4
1415     free( ubuf ) ;
1416 #endif
1417 }
1418
1419 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1420 {
1421     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1422
1423     wxMacFastPortSetter helper(this) ;
1424     long xx = XLOG2DEVMAC(x);
1425     long yy = YLOG2DEVMAC(y);
1426 #if TARGET_CARBON
1427     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1428     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1429         useDrawThemeText = false ;
1430 #endif
1431     MacInstallFont() ;
1432
1433     FontInfo fi ;
1434     ::GetFontInfo( &fi ) ;
1435 #if TARGET_CARBON
1436     if ( !useDrawThemeText )
1437 #endif
1438         yy += fi.ascent ;
1439     ::MoveTo( xx , yy );
1440     if (  m_backgroundMode == wxTRANSPARENT )
1441     {
1442         ::TextMode( srcOr) ;
1443     }
1444     else
1445     {
1446         ::TextMode( srcCopy ) ;
1447     }
1448     int line = 0 ;
1449     {
1450         wxString linetext = strtext ;
1451 #if TARGET_CARBON
1452         if ( useDrawThemeText )
1453         {
1454             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1455             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1456
1457             if ( m_backgroundMode != wxTRANSPARENT )
1458             {
1459                 Point bounds={0,0} ;
1460                 Rect background = frame ;
1461                 SInt16 baseline ;
1462                 ::GetThemeTextDimensions( mString,
1463                     m_font.MacGetThemeFontID() ,
1464                     kThemeStateActive,
1465                     false,
1466                     &bounds,
1467                     &baseline );
1468                 background.right = background.left + bounds.h ;
1469                 background.bottom = background.top + bounds.v ;
1470                 ::EraseRect( &background ) ;
1471             }
1472             ::DrawThemeTextBox( mString,
1473                 m_font.MacGetThemeFontID() ,
1474                 kThemeStateActive,
1475                 false,
1476                 &frame,
1477                 teJustLeft,
1478                 nil );
1479         }
1480         else
1481 #endif
1482         {
1483             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1484             ::DrawText( text , 0 , strlen(text) ) ;
1485          }
1486     }
1487     ::TextMode( srcOr ) ;
1488 }
1489
1490 bool  wxDC::CanGetTextExtent() const
1491 {
1492     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1493     return true ;
1494 }
1495
1496 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1497                             wxCoord *descent, wxCoord *externalLeading ,
1498                             wxFont *theFont ) const
1499 {
1500     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1501     wxMacFastPortSetter helper(this) ;
1502     wxFont formerFont = m_font ;
1503     if ( theFont )
1504     {
1505         // work around the constness
1506         *((wxFont*)(&m_font)) = *theFont ;
1507     }
1508     MacInstallFont() ;
1509     FontInfo fi ;
1510     ::GetFontInfo( &fi ) ;
1511 #if TARGET_CARBON
1512     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1513     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1514         useGetThemeText = false ;
1515 #endif
1516     if ( height )
1517         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1518     if ( descent )
1519         *descent =YDEV2LOGREL( fi.descent );
1520     if ( externalLeading )
1521         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1522
1523     int curwidth = 0 ;
1524     if ( width )
1525     {
1526         *width = 0 ;
1527         wxString linetext = strtext ;
1528
1529         if ( useGetThemeText )
1530         {
1531             Point bounds={0,0} ;
1532             SInt16 baseline ;
1533             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1534             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1535             ::GetThemeTextDimensions( mString,
1536                 themeFont ,
1537                 kThemeStateActive,
1538                 false,
1539                 &bounds,
1540                 &baseline );
1541             curwidth = bounds.h ;
1542         }
1543         else
1544         {
1545             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1546             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1547         }
1548         if ( curwidth > *width )
1549             *width = XDEV2LOGREL( curwidth ) ;
1550     }
1551     if ( theFont )
1552     {
1553         // work around the constness
1554         *((wxFont*)(&m_font)) = formerFont ;
1555         m_macFontInstalled = false ;
1556     }
1557 }
1558
1559
1560 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1561 {
1562     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1563
1564     widths.Empty();
1565     widths.Add(0, text.Length());
1566
1567     if (text.Length() == 0)
1568         return false;
1569
1570     wxMacFastPortSetter helper(this) ;
1571     MacInstallFont() ;
1572 #if TARGET_CARBON
1573     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1574     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1575         useGetThemeText = false ;
1576
1577     if ( useGetThemeText )
1578     {
1579         // If anybody knows how to do this more efficiently yet still handle
1580         // the fractional glyph widths that may be present when using AA
1581         // fonts, please change it.  Currently it is measuring from the
1582         // begining of the string for each succeding substring, which is much
1583         // slower than this should be.
1584         for (size_t i=0; i<text.Length(); i++)
1585         {
1586             wxString str(text.Left(i+1));
1587             Point bounds = {0,0};
1588             SInt16 baseline ;
1589             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1590             ::GetThemeTextDimensions( mString,
1591                                       m_font.MacGetThemeFontID(),
1592                                       kThemeStateActive,
1593                                       false,
1594                                       &bounds,
1595                                       &baseline );
1596             widths[i] = XDEV2LOGREL(bounds.h);
1597         }
1598     }
1599     else
1600 #endif
1601     {
1602         wxCharBuffer buff = text.mb_str(wxConvLocal);
1603         size_t len = strlen(buff);
1604         short* measurements = new short[len+1];
1605         MeasureText(len, buff.data(), measurements);
1606
1607         // Copy to widths, starting at measurements[1]
1608         // NOTE: this doesn't take into account any multi-byte characters
1609         // in buff, it probabkly should...
1610         for (size_t i=0; i<text.Length(); i++)
1611             widths[i] = XDEV2LOGREL(measurements[i+1]);
1612
1613         delete [] measurements;
1614     }
1615
1616     return true;
1617 }
1618
1619
1620
1621 wxCoord   wxDC::GetCharWidth(void) const
1622 {
1623     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1624     wxMacFastPortSetter helper(this) ;
1625     MacInstallFont() ;
1626     int width = 0 ;
1627 #if TARGET_CARBON
1628     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1629     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1630         useGetThemeText = false ;
1631 #endif
1632     char text[] = "g" ;
1633 #if TARGET_CARBON
1634     if ( useGetThemeText )
1635     {
1636         Point bounds={0,0} ;
1637         SInt16 baseline ;
1638         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1639         ::GetThemeTextDimensions( mString,
1640             m_font.MacGetThemeFontID(),
1641             kThemeStateActive,
1642             false,
1643             &bounds,
1644             &baseline );
1645         CFRelease( mString ) ;
1646         width = bounds.h ;
1647     }
1648     else
1649 #endif
1650     {
1651         width = ::TextWidth( text , 0 , 1 ) ;
1652     }
1653     return YDEV2LOGREL(width) ;
1654 }
1655
1656 wxCoord   wxDC::GetCharHeight(void) const
1657 {
1658     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1659     wxMacFastPortSetter helper(this) ;
1660     MacInstallFont() ;
1661     FontInfo fi ;
1662     ::GetFontInfo( &fi ) ;
1663     return YDEV2LOGREL( fi.descent + fi.ascent );
1664 }
1665
1666 void  wxDC::Clear(void)
1667 {
1668     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1669     wxMacFastPortSetter helper(this) ;
1670     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1671     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1672     {
1673         ::PenNormal() ;
1674         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1675         ::EraseRect( &rect ) ;
1676     }
1677 }
1678
1679 void wxDC::MacInstallFont() const
1680 {
1681     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1682     //    if ( m_macFontInstalled )
1683     //        return ;
1684     Pattern blackColor ;
1685     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1686     if ( m_backgroundMode != wxTRANSPARENT )
1687     {
1688         Pattern whiteColor ;
1689         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1690     }
1691     if ( m_font.Ok() )
1692     {
1693         ::TextFont( m_font.MacGetFontNum() ) ;
1694         ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1695         ::TextFace( m_font.MacGetFontStyle() ) ;
1696         m_macFontInstalled = true ;
1697         m_macBrushInstalled = false ;
1698         m_macPenInstalled = false ;
1699         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1700         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1701         ::RGBForeColor( &forecolor );
1702         ::RGBBackColor( &backcolor );
1703     }
1704     else
1705     {
1706         FontFamilyID fontId ;
1707         Str255 fontName ;
1708         SInt16 fontSize ;
1709         Style fontStyle ;
1710         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1711         GetFNum( fontName, &fontId );
1712         ::TextFont( fontId ) ;
1713         ::TextSize( short(m_scaleY * fontSize) ) ;
1714         ::TextFace( fontStyle ) ;
1715         // todo reset after spacing changes - or store the current spacing somewhere
1716         m_macFontInstalled = true ;
1717         m_macBrushInstalled = false ;
1718         m_macPenInstalled = false ;
1719         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1720         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1721         ::RGBForeColor( &forecolor );
1722         ::RGBBackColor( &backcolor );
1723     }
1724     short mode = patCopy ;
1725     // todo :
1726     switch( m_logicalFunction )
1727     {
1728     case wxCOPY:       // src
1729         mode = patCopy ;
1730         break ;
1731     case wxINVERT:     // NOT dst
1732         ::PenPat(GetQDGlobalsBlack(&blackColor));
1733         mode = patXor ;
1734         break ;
1735     case wxXOR:        // src XOR dst
1736         mode = patXor ;
1737         break ;
1738     case wxOR_REVERSE: // src OR (NOT dst)
1739         mode = notPatOr ;
1740         break ;
1741     case wxSRC_INVERT: // (NOT src)
1742         mode = notPatCopy ;
1743         break ;
1744     case wxAND: // src AND dst
1745         mode = adMin ;
1746         break ;
1747         // unsupported TODO
1748     case wxCLEAR:      // 0
1749     case wxAND_REVERSE:// src AND (NOT dst)
1750     case wxAND_INVERT: // (NOT src) AND dst
1751     case wxNO_OP:      // dst
1752     case wxNOR:        // (NOT src) AND (NOT dst)
1753     case wxEQUIV:      // (NOT src) XOR dst
1754     case wxOR_INVERT:  // (NOT src) OR dst
1755     case wxNAND:       // (NOT src) OR (NOT dst)
1756     case wxOR:         // src OR dst
1757     case wxSET:        // 1
1758         //        case wxSRC_OR:     // source _bitmap_ OR destination
1759         //        case wxSRC_AND:     // source _bitmap_ AND destination
1760         break ;
1761     }
1762     ::PenMode( mode ) ;
1763     OSStatus status = noErr ;
1764     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1765     Style qdStyle = m_font.MacGetATSUAdditionalQDStyles() ;
1766     ATSUFontID    atsuFont = m_font.MacGetATSUFontID() ;
1767     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1768     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1769     ATSUAttributeTag atsuTags[] =
1770     {
1771         kATSUFontTag ,
1772             kATSUSizeTag ,
1773             //        kATSUColorTag ,
1774             //        kATSUBaselineClassTag ,
1775             kATSUVerticalCharacterTag,
1776             kATSUQDBoldfaceTag ,
1777             kATSUQDItalicTag ,
1778             kATSUQDUnderlineTag ,
1779             kATSUQDCondensedTag ,
1780             kATSUQDExtendedTag ,
1781     } ;
1782     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1783     {
1784         sizeof( ATSUFontID ) ,
1785             sizeof( Fixed ) ,
1786             //        sizeof( RGBColor ) ,
1787             //        sizeof( BslnBaselineClass ) ,
1788             sizeof( ATSUVerticalCharacterType),
1789             sizeof( Boolean ) ,
1790             sizeof( Boolean ) ,
1791             sizeof( Boolean ) ,
1792             sizeof( Boolean ) ,
1793             sizeof( Boolean ) ,
1794     } ;
1795     Boolean kTrue = true ;
1796     Boolean kFalse = false ;
1797     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1798     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1799     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1800     {
1801         &atsuFont ,
1802             &atsuSize ,
1803             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1804             //        &kBaselineDefault ,
1805             &kHorizontal,
1806             (qdStyle & bold) ? &kTrue : &kFalse ,
1807             (qdStyle & italic) ? &kTrue : &kFalse ,
1808             (qdStyle & underline) ? &kTrue : &kFalse ,
1809             (qdStyle & condense) ? &kTrue : &kFalse ,
1810             (qdStyle & extend) ? &kTrue : &kFalse ,
1811     } ;
1812     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1813         atsuTags, atsuSizes, atsuValues);
1814     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1815 }
1816
1817 Pattern gPatterns[] =
1818 {   // hatch patterns
1819     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1820     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1821     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1822     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1823     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1824     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1825     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1826     // dash patterns
1827     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1828     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1829     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1830     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1831 } ;
1832
1833 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1834 {
1835     int index = 0;  // solid pattern by default
1836     switch(penStyle)
1837     {
1838         // hatches
1839         case wxBDIAGONAL_HATCH:     index = 1; break;
1840         case wxFDIAGONAL_HATCH:     index = 2; break;
1841         case wxCROSS_HATCH:         index = 3; break;
1842         case wxHORIZONTAL_HATCH:    index = 4; break;
1843         case wxVERTICAL_HATCH:      index = 5; break;
1844         case wxCROSSDIAG_HATCH:     index = 6; break;
1845         // dashes
1846         case wxDOT:                 index = 7; break;
1847         case wxLONG_DASH:           index = 8; break;
1848         case wxSHORT_DASH:          index = 9; break;
1849         case wxDOT_DASH:            index = 10; break;
1850     }
1851     *pattern = gPatterns[index];
1852 }
1853
1854 void wxDC::MacInstallPen() const
1855 {
1856     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1857     //Pattern     blackColor;
1858     //    if ( m_macPenInstalled )
1859     //        return ;
1860     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1861     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1862     ::RGBForeColor( &forecolor );
1863     ::RGBBackColor( &backcolor );
1864     ::PenNormal() ;
1865     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1866     // null means only one pixel, at whatever resolution
1867     if ( penWidth == 0 )
1868         penWidth = 1 ;
1869     ::PenSize(penWidth, penWidth);
1870
1871     int penStyle = m_pen.GetStyle();
1872     Pattern pat;
1873     if (penStyle == wxUSER_DASH)
1874     {
1875         // FIXME: there should be exactly 8 items in the dash
1876         wxDash* dash ;
1877         int number = m_pen.GetDashes(&dash) ;
1878         int index = 0;
1879         for ( int i = 0 ; i < 8 ; ++i )
1880         {
1881             pat.pat[i] = dash[index] ;
1882             if (index < number - 1)
1883                 index++;
1884         }
1885     }
1886     else
1887     {
1888         wxMacGetPattern(penStyle, &pat);
1889     }
1890     ::PenPat(&pat);
1891
1892     short mode = patCopy ;
1893     // todo :
1894     switch( m_logicalFunction )
1895     {
1896     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1897         mode = patOr ;
1898         break ;
1899     case wxINVERT:     // NOT dst
1900         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1901         mode = patXor ;
1902         break ;
1903     case wxXOR:        // src XOR dst
1904         mode = patXor ;
1905         break ;
1906     case wxOR_REVERSE: // src OR (NOT dst)
1907         mode = notPatOr ;
1908         break ;
1909     case wxSRC_INVERT: // (NOT src)
1910         mode = notPatCopy ;
1911         break ;
1912     case wxAND: // src AND dst
1913         mode = adMin ;
1914         break ;
1915         // unsupported TODO
1916     case wxCLEAR:      // 0
1917     case wxAND_REVERSE:// src AND (NOT dst)
1918     case wxAND_INVERT: // (NOT src) AND dst
1919     case wxNO_OP:      // dst
1920     case wxNOR:        // (NOT src) AND (NOT dst)
1921     case wxEQUIV:      // (NOT src) XOR dst
1922     case wxOR_INVERT:  // (NOT src) OR dst
1923     case wxNAND:       // (NOT src) OR (NOT dst)
1924     case wxOR:         // src OR dst
1925     case wxSET:        // 1
1926         //        case wxSRC_OR:     // source _bitmap_ OR destination
1927         //        case wxSRC_AND:     // source _bitmap_ AND destination
1928         break ;
1929     }
1930     ::PenMode( mode ) ;
1931     m_macPenInstalled = true ;
1932     m_macBrushInstalled = false ;
1933     m_macFontInstalled = false ;
1934 }
1935
1936 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1937 {
1938     Pattern whiteColor ;
1939     if ( background.Ok() )
1940     {
1941         switch( background.MacGetBrushKind() )
1942         {
1943             case kwxMacBrushTheme :
1944             {
1945                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1946                 break ;
1947             }
1948             case kwxMacBrushThemeBackground :
1949             {
1950                 Rect extent ;
1951                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1952                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1953                 break ;
1954             }
1955             case kwxMacBrushColour :
1956             {
1957                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1958                 int brushStyle = background.GetStyle();
1959                 if (brushStyle == wxSOLID)
1960                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1961                 else if (background.IsHatch())
1962                 {
1963                     Pattern pat ;
1964                     wxMacGetPattern(brushStyle, &pat);
1965                     ::BackPat(&pat);
1966                 }
1967                 else
1968                 {
1969                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1970                 }
1971                 break ;
1972             }
1973         }
1974     }
1975 }
1976
1977 void wxDC::MacInstallBrush() const
1978 {
1979     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1980     Pattern     blackColor ;
1981     //    if ( m_macBrushInstalled )
1982     //        return ;
1983     // foreground
1984     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1985     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1986     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1987     int brushStyle = m_brush.GetStyle();
1988     if (brushStyle == wxSOLID)
1989     {
1990         ::PenPat(GetQDGlobalsBlack(&blackColor));
1991     }
1992     else if (m_brush.IsHatch())
1993     {
1994         Pattern pat ;
1995         wxMacGetPattern(brushStyle, &pat);
1996         ::PenPat(&pat);
1997     }
1998     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1999     {
2000         // we force this in order to be compliant with wxMSW
2001         backgroundTransparent = false ;
2002         // for these the text fore (and back for MASK_OPAQUE) colors are used
2003         wxBitmap* bitmap = m_brush.GetStipple() ;
2004         int width = bitmap->GetWidth() ;
2005         int height = bitmap->GetHeight() ;
2006         GWorldPtr gw = NULL ;
2007         if ( m_brush.GetStyle() == wxSTIPPLE )
2008             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2009         else
2010             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2011         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2012         LockPixels( gwpixmaphandle ) ;
2013         bool isMonochrome = !IsPortColor( gw ) ;
2014         if ( !isMonochrome )
2015         {
2016             if ( (**gwpixmaphandle).pixelSize == 1 )
2017                 isMonochrome = true ;
2018         }
2019         if ( isMonochrome && width == 8 && height == 8 )
2020         {
2021             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2022             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2023             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2024             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2025             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2026             Pattern pat ;
2027             for ( int i = 0 ; i < 8 ; ++i )
2028             {
2029                 pat.pat[i] = gwbits[i*alignment+0] ;
2030             }
2031             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2032             ::PenPat( &pat ) ;
2033         }
2034         else
2035         {
2036             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2037             // caching scheme before putting this into production
2038             Handle      image;
2039             long        imageSize;
2040             PixPatHandle pixpat = NewPixPat() ;
2041             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2042             imageSize = GetPixRowBytes((**pixpat).patMap) *
2043                 ((**(**pixpat).patMap).bounds.bottom -
2044                 (**(**pixpat).patMap).bounds.top);
2045             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2046             (**pixpat).patData = image;
2047             if ( isMonochrome )
2048             {
2049                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2050                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2051                 if ( ctspec[0].rgb.red == 0x0000 )
2052                 {
2053                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2054                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2055                 }
2056                 else
2057                 {
2058                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2059                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2060                 }
2061                 ::CTabChanged( ctable ) ;
2062             }
2063             ::PenPixPat(pixpat);
2064             m_macForegroundPixMap = pixpat ;
2065         }
2066         UnlockPixels( gwpixmaphandle ) ;
2067     }
2068     else
2069     {
2070         ::PenPat(GetQDGlobalsBlack(&blackColor));
2071     }
2072     short mode = patCopy ;
2073     switch( m_logicalFunction )
2074     {
2075     case wxCOPY:       // src
2076         if ( backgroundTransparent )
2077             mode = patOr ;
2078         else
2079             mode = patCopy ;
2080         break ;
2081     case wxINVERT:     // NOT dst
2082         if ( !backgroundTransparent )
2083         {
2084             ::PenPat(GetQDGlobalsBlack(&blackColor));
2085         }
2086         mode = patXor ;
2087         break ;
2088     case wxXOR:        // src XOR dst
2089         mode = patXor ;
2090         break ;
2091     case wxOR_REVERSE: // src OR (NOT dst)
2092         mode = notPatOr ;
2093         break ;
2094     case wxSRC_INVERT: // (NOT src)
2095         mode = notPatCopy ;
2096         break ;
2097     case wxAND: // src AND dst
2098         mode = adMin ;
2099         break ;
2100         // unsupported TODO
2101     case wxCLEAR:      // 0
2102     case wxAND_REVERSE:// src AND (NOT dst)
2103     case wxAND_INVERT: // (NOT src) AND dst
2104     case wxNO_OP:      // dst
2105     case wxNOR:        // (NOT src) AND (NOT dst)
2106     case wxEQUIV:      // (NOT src) XOR dst
2107     case wxOR_INVERT:  // (NOT src) OR dst
2108     case wxNAND:       // (NOT src) OR (NOT dst)
2109     case wxOR:         // src OR dst
2110     case wxSET:        // 1
2111         //        case wxSRC_OR:     // source _bitmap_ OR destination
2112         //        case wxSRC_AND:     // source _bitmap_ AND destination
2113         break ;
2114     }
2115     ::PenMode( mode ) ;
2116     m_macBrushInstalled = true ;
2117     m_macPenInstalled = false ;
2118     m_macFontInstalled = false ;
2119 }
2120
2121 // ---------------------------------------------------------------------------
2122 // coordinates transformations
2123 // ---------------------------------------------------------------------------
2124
2125 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2126 {
2127     return ((wxDC *)this)->XDEV2LOG(x);
2128 }
2129
2130 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2131 {
2132     return ((wxDC *)this)->YDEV2LOG(y);
2133 }
2134
2135 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2136 {
2137     return ((wxDC *)this)->XDEV2LOGREL(x);
2138 }
2139
2140 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2141 {
2142     return ((wxDC *)this)->YDEV2LOGREL(y);
2143 }
2144
2145 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2146 {
2147     return ((wxDC *)this)->XLOG2DEV(x);
2148 }
2149
2150 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2151 {
2152     return ((wxDC *)this)->YLOG2DEV(y);
2153 }
2154
2155 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2156 {
2157     return ((wxDC *)this)->XLOG2DEVREL(x);
2158 }
2159
2160 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2161 {
2162     return ((wxDC *)this)->YLOG2DEVREL(y);
2163 }