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