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             GetPort( &m_oldPort ) ;
  83             SetPort( (GrafPtr) dc->m_macPort ) ;
  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             SetPort( m_oldPort ) ;
  94             m_dc->MacCleanupPort( NULL ) ;
  95             DisposeRgn( m_clipRgn ) ;
  96     }
  97 private :
  98     RgnHandle m_clipRgn ;
  99     GrafPtr m_oldPort ;
 100     const wxDC*   m_dc ;
 101 } ;
 102
 103 #else
 104 typedef wxMacPortSetter wxMacFastPortSetter ;
 105 #endif
 106
 107 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 108     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 109 {
 110     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 111     m_formerClip = NewRgn() ;
 112     m_newClip = NewRgn() ;
 113     GetClip( m_formerClip ) ;
 114
 115     if ( win )
 116     {
 117         int x = 0 , y = 0;
 118         win->MacWindowToRootWindow( &x,&y ) ;
 119         // get area including focus rect
 120         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 121         if ( !EmptyRgn( m_newClip ) )
 122             OffsetRgn( m_newClip , x , y ) ;
 123
 124         SetClip( m_newClip ) ;
 125     }
 126 }
 127
 128 wxMacWindowClipper::~wxMacWindowClipper()
 129 {
 130     SetPort( m_newPort ) ;
 131     SetClip( m_formerClip ) ;
 132     DisposeRgn( m_newClip ) ;
 133     DisposeRgn( m_formerClip ) ;
 134 }
 135
 136 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 137     wxMacWindowClipper( win )
 138 {
 139     // the port is already set at this point
 140     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 141     GetThemeDrawingState( &m_themeDrawingState ) ;
 142 }
 143
 144 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 145 {
 146     SetPort( m_newPort ) ;
 147     SetThemeDrawingState( m_themeDrawingState , true ) ;
 148 }
 149
 150 //-----------------------------------------------------------------------------
 151 // Local functions
 152 //-----------------------------------------------------------------------------
 153 static inline double dmin(double a, double b) { return a < b ? a : b; }
 154 static inline double dmax(double a, double b) { return a > b ? a : b; }
 155 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 156
 157 //-----------------------------------------------------------------------------
 158 // wxDC
 159 //-----------------------------------------------------------------------------
 160 // this function emulates all wx colour manipulations, used to verify the implementation
 161 // by setting the mode in the blitting functions to kEmulatedMode
 162 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 163
 164 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 165 {
 166     switch ( logical_func )
 167     {
 168         case wxAND:        // src AND dst
 169             dstColor.red = dstColor.red & srcColor.red ;
 170             dstColor.green = dstColor.green & srcColor.green ;
 171             dstColor.blue = dstColor.blue & srcColor.blue ;
 172             break ;
 173         case wxAND_INVERT: // (NOT src) AND dst
 174             dstColor.red = dstColor.red & ~srcColor.red ;
 175             dstColor.green = dstColor.green & ~srcColor.green ;
 176             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 177             break ;
 178         case wxAND_REVERSE:// src AND (NOT dst)
 179             dstColor.red = ~dstColor.red & srcColor.red ;
 180             dstColor.green = ~dstColor.green & srcColor.green ;
 181             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 182             break ;
 183         case wxCLEAR:      // 0
 184             dstColor.red = 0 ;
 185             dstColor.green = 0 ;
 186             dstColor.blue = 0 ;
 187             break ;
 188         case wxCOPY:       // src
 189             dstColor.red = srcColor.red ;
 190             dstColor.green = srcColor.green ;
 191             dstColor.blue = srcColor.blue ;
 192             break ;
 193         case wxEQUIV:      // (NOT src) XOR dst
 194             dstColor.red = dstColor.red ^ ~srcColor.red ;
 195             dstColor.green = dstColor.green ^ ~srcColor.green ;
 196             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 197             break ;
 198         case wxINVERT:     // NOT dst
 199             dstColor.red = ~dstColor.red ;
 200             dstColor.green = ~dstColor.green ;
 201             dstColor.blue = ~dstColor.blue ;
 202             break ;
 203         case wxNAND:       // (NOT src) OR (NOT dst)
 204             dstColor.red = ~dstColor.red | ~srcColor.red ;
 205             dstColor.green = ~dstColor.green | ~srcColor.green ;
 206             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 207             break ;
 208         case wxNOR:        // (NOT src) AND (NOT dst)
 209             dstColor.red = ~dstColor.red & ~srcColor.red ;
 210             dstColor.green = ~dstColor.green & ~srcColor.green ;
 211             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 212             break ;
 213         case wxNO_OP:      // dst
 214             break ;
 215         case wxOR:         // src OR dst
 216             dstColor.red = dstColor.red | srcColor.red ;
 217             dstColor.green = dstColor.green | srcColor.green ;
 218             dstColor.blue = dstColor.blue | srcColor.blue ;
 219             break ;
 220         case wxOR_INVERT:  // (NOT src) OR dst
 221             dstColor.red = dstColor.red | ~srcColor.red ;
 222             dstColor.green = dstColor.green | ~srcColor.green ;
 223             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 224             break ;
 225         case wxOR_REVERSE: // src OR (NOT dst)
 226             dstColor.red = ~dstColor.red | srcColor.red ;
 227             dstColor.green = ~dstColor.green | srcColor.green ;
 228             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 229             break ;
 230         case wxSET:        // 1
 231             dstColor.red = 0xFFFF ;
 232             dstColor.green = 0xFFFF ;
 233             dstColor.blue = 0xFFFF ;
 234             break ;
 235         case wxSRC_INVERT: // (NOT src)
 236             dstColor.red = ~srcColor.red ;
 237             dstColor.green = ~srcColor.green ;
 238             dstColor.blue = ~srcColor.blue ;
 239             break ;
 240         case wxXOR:        // src XOR dst
 241             dstColor.red = dstColor.red ^ srcColor.red ;
 242             dstColor.green = dstColor.green ^ srcColor.green ;
 243             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 244             break ;
 245     }
 246 }
 247
 248 wxDC::wxDC()
 249 {
 250     m_ok = FALSE;
 251     m_colour = TRUE;
 252     m_mm_to_pix_x = mm2pt;
 253     m_mm_to_pix_y = mm2pt;
 254     m_internalDeviceOriginX = 0;
 255     m_internalDeviceOriginY = 0;
 256     m_externalDeviceOriginX = 0;
 257     m_externalDeviceOriginY = 0;
 258     m_logicalScaleX = 1.0;
 259     m_logicalScaleY = 1.0;
 260     m_userScaleX = 1.0;
 261     m_userScaleY = 1.0;
 262     m_scaleX = 1.0;
 263     m_scaleY = 1.0;
 264     m_needComputeScaleX = FALSE;
 265     m_needComputeScaleY = FALSE;
 266     m_macPort = NULL ;
 267     m_macMask = NULL ;
 268     m_ok = FALSE ;
 269     m_macFontInstalled = false ;
 270     m_macBrushInstalled = false ;
 271     m_macPenInstalled = false ;
 272     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 273     m_macBoundaryClipRgn = NewRgn() ;
 274     m_macCurrentClipRgn = NewRgn() ;
 275     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 276     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 277     m_pen = *wxBLACK_PEN;
 278     m_font = *wxNORMAL_FONT;
 279     m_brush = *wxWHITE_BRUSH;
 280 #ifdef __WXDEBUG__
 281     // needed to debug possible errors with two active drawing methods at the same time on
 282     // the same DC
 283     m_macCurrentPortStateHelper = NULL ;
 284 #endif
 285     m_macATSUIStyle = NULL ;
 286     m_macAliasWasEnabled = false;
 287     m_macForegroundPixMap = NULL ;
 288     m_macBackgroundPixMap = NULL ;
 289 }
 290
 291 wxDC::~wxDC(void)
 292 {
 293     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 294     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 295 }
 296
 297 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 298 {
 299 #ifdef __WXDEBUG__
 300     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 301     m_macCurrentPortStateHelper = help ;
 302 #endif
 303     SetClip( (RgnHandle) m_macCurrentClipRgn);
 304 #if ! wxMAC_EXPERIMENTAL_DC
 305     m_macFontInstalled = false ;
 306     m_macBrushInstalled = false ;
 307     m_macPenInstalled = false ;
 308 #endif
 309 }
 310 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 311 {
 312 #ifdef __WXDEBUG__
 313     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 314     m_macCurrentPortStateHelper = NULL ;
 315 #endif
 316     if( m_macATSUIStyle )
 317     {
 318         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 319         m_macATSUIStyle = NULL ;
 320     }
 321     if ( m_macAliasWasEnabled )
 322     {
 323         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 324         m_macAliasWasEnabled = false ;
 325     }
 326     if ( m_macForegroundPixMap )
 327     {
 328         Pattern blackColor ;
 329         ::PenPat(GetQDGlobalsBlack(&blackColor));
 330         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 331         m_macForegroundPixMap = NULL ;
 332     }
 333     if ( m_macBackgroundPixMap )
 334     {
 335         Pattern whiteColor ;
 336         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 337         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 338         m_macBackgroundPixMap = NULL ;
 339     }
 340 }
 341
 342 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 343 {
 344      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 345      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 346      wxMacFastPortSetter helper(this) ;
 347      wxCoord xx = XLOG2DEVMAC(x);
 348      wxCoord yy = YLOG2DEVMAC(y);
 349      wxCoord w = bmp.GetWidth();
 350      wxCoord h = bmp.GetHeight();
 351      wxCoord ww = XLOG2DEVREL(w);
 352      wxCoord hh = YLOG2DEVREL(h);
 353      // Set up drawing mode
 354      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 355                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 356                     //m_logicalFunction == wxSET ? BLACKNESS :
 357                     m_logicalFunction == wxINVERT ? hilite :
 358                    //m_logicalFunction == wxAND ? MERGECOPY :
 359                     m_logicalFunction == wxOR ? srcOr :
 360                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 361                     m_logicalFunction == wxXOR ? srcXor :
 362                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 363                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 364                     //m_logicalFunction == wxSRC_OR ? srcOr :
 365                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 366                     srcCopy );
 367      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 368          Rect bitmaprect = { 0 , 0 , hh, ww };
 369          ::OffsetRect( &bitmaprect, xx, yy ) ;
 370          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 371     }
 372      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 373      {
 374          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 375          PixMapHandle bmappixels ;
 376          // Set foreground and background colours (for bitmaps depth = 1)
 377          if(bmp.GetDepth() == 1)
 378         {
 379              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 380              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 381              RGBForeColor(&fore);
 382              RGBBackColor(&back);
 383          }
 384          else
 385          {
 386              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 387              RGBColor black = { 0,0,0} ;
 388              RGBForeColor( &black ) ;
 389              RGBBackColor( &white ) ;
 390          }
 391          bmappixels = GetGWorldPixMap( bmapworld ) ;
 392          wxCHECK_RET(LockPixels(bmappixels),
 393                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 394          Rect source = { 0, 0, h, w };
 395          Rect dest   = { yy, xx, yy + hh, xx + ww };
 396          if ( useMask && bmp.GetMask() )
 397          {
 398              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 399              {
 400                  CopyDeepMask
 401                      (
 402                       GetPortBitMapForCopyBits(bmapworld),
 403                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 404                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 405                       &source, &source, &dest, mode, NULL
 406                       );
 407                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 408              }
 409          }
 410          else {
 411              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 412                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 413                        &source, &dest, mode, NULL ) ;
 414          }
 415          UnlockPixels( bmappixels ) ;
 416      }
 417      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 418      {
 419         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 420         OffsetRect( &bitmaprect, xx, yy ) ;
 421         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 422      }
 423      m_macPenInstalled = false ;
 424      m_macBrushInstalled = false ;
 425      m_macFontInstalled = false ;
 426 }
 427
 428 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 429 {
 430     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 431     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 432     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 433 }
 434
 435 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 436 {
 437     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 438     wxCoord xx, yy, ww, hh;
 439     xx = XLOG2DEVMAC(x);
 440     yy = YLOG2DEVMAC(y);
 441     ww = XLOG2DEVREL(width);
 442     hh = YLOG2DEVREL(height);
 443     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 444     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 445     if( m_clipping )
 446     {
 447         m_clipX1 = wxMax( m_clipX1 , xx );
 448         m_clipY1 = wxMax( m_clipY1 , yy );
 449         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 450         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 451     }
 452     else
 453     {
 454         m_clipping = TRUE;
 455         m_clipX1 = xx;
 456         m_clipY1 = yy;
 457         m_clipX2 = xx + ww;
 458         m_clipY2 = yy + hh;
 459     }
 460 }
 461
 462 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 463 {
 464     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 465     if (region.Empty())
 466     {
 467         DestroyClippingRegion();
 468         return;
 469     }
 470     wxMacFastPortSetter helper(this) ;
 471     wxCoord x, y, w, h;
 472     region.GetBox( x, y, w, h );
 473     wxCoord xx, yy, ww, hh;
 474     xx = XLOG2DEVMAC(x);
 475     yy = YLOG2DEVMAC(y);
 476     ww = XLOG2DEVREL(w);
 477     hh = YLOG2DEVREL(h);
 478     // if we have a scaling that we cannot map onto native regions
 479     // we must use the box
 480     if ( ww != w || hh != h )
 481     {
 482         wxDC::DoSetClippingRegion( x, y, w, h );
 483     }
 484     else
 485     {
 486         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 487         if ( xx != x || yy != y )
 488         {
 489             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 490         }
 491         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 492         if( m_clipping )
 493         {
 494             m_clipX1 = wxMax( m_clipX1 , xx );
 495             m_clipY1 = wxMax( m_clipY1 , yy );
 496             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 497             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 498         }
 499         else
 500         {
 501             m_clipping = TRUE;
 502             m_clipX1 = xx;
 503             m_clipY1 = yy;
 504             m_clipX2 = xx + ww;
 505             m_clipY2 = yy + hh;
 506         }
 507     }
 508 }
 509
 510 void wxDC::DestroyClippingRegion()
 511 {
 512     wxMacFastPortSetter helper(this) ;
 513     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 514     m_clipping = FALSE;
 515 }
 516
 517 void wxDC::DoGetSizeMM( int* width, int* height ) const
 518 {
 519     int w = 0;
 520     int h = 0;
 521     GetSize( &w, &h );
 522     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 523     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 524 }
 525
 526 void wxDC::SetTextForeground( const wxColour &col )
 527 {
 528     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 529     m_textForegroundColour = col;
 530     m_macFontInstalled = false ;
 531 }
 532
 533 void wxDC::SetTextBackground( const wxColour &col )
 534 {
 535     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 536     m_textBackgroundColour = col;
 537     m_macFontInstalled = false ;
 538 }
 539
 540 void wxDC::SetMapMode( int mode )
 541 {
 542     switch (mode)
 543     {
 544     case wxMM_TWIPS:
 545         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 546         break;
 547     case wxMM_POINTS:
 548         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 549         break;
 550     case wxMM_METRIC:
 551         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 552         break;
 553     case wxMM_LOMETRIC:
 554         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 555         break;
 556     default:
 557     case wxMM_TEXT:
 558         SetLogicalScale( 1.0, 1.0 );
 559         break;
 560     }
 561     if (mode != wxMM_TEXT)
 562     {
 563         m_needComputeScaleX = TRUE;
 564         m_needComputeScaleY = TRUE;
 565     }
 566 }
 567
 568 void wxDC::SetUserScale( double x, double y )
 569 {
 570     // allow negative ? -> no
 571     m_userScaleX = x;
 572     m_userScaleY = y;
 573     ComputeScaleAndOrigin();
 574 }
 575
 576 void wxDC::SetLogicalScale( double x, double y )
 577 {
 578     // allow negative ?
 579     m_logicalScaleX = x;
 580     m_logicalScaleY = y;
 581     ComputeScaleAndOrigin();
 582 }
 583
 584 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 585 {
 586     m_logicalOriginX = x * m_signX;   // is this still correct ?
 587     m_logicalOriginY = y * m_signY;
 588     ComputeScaleAndOrigin();
 589 }
 590
 591 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 592 {
 593     m_externalDeviceOriginX = x;
 594     m_externalDeviceOriginY = y;
 595     ComputeScaleAndOrigin();
 596 }
 597
 598 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 599 {
 600     m_signX = (xLeftRight ?  1 : -1);
 601     m_signY = (yBottomUp  ? -1 :  1);
 602     ComputeScaleAndOrigin();
 603 }
 604
 605 wxSize wxDC::GetPPI() const
 606 {
 607     return wxSize(72, 72);
 608 }
 609
 610 int wxDC::GetDepth() const
 611 {
 612     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 613     {
 614         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 615     }
 616     return 1 ;
 617 }
 618
 619 void wxDC::ComputeScaleAndOrigin()
 620 {
 621     // CMB: copy scale to see if it changes
 622     double origScaleX = m_scaleX;
 623     double origScaleY = m_scaleY;
 624     m_scaleX = m_logicalScaleX * m_userScaleX;
 625     m_scaleY = m_logicalScaleY * m_userScaleY;
 626     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 627     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 628     // CMB: if scale has changed call SetPen to recalulate the line width
 629     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 630     {
 631         // this is a bit artificial, but we need to force wxDC to think
 632         // the pen has changed
 633         wxPen* pen = & GetPen();
 634         wxPen tempPen;
 635         m_pen = tempPen;
 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     if ( newAngle < 0 )
 785         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     if( (xx1 > xx2) || (yy1 > yy2) ) {
 827         alpha2 *= -1;
 828     }
 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     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1325 /*
1326     if (angle == 0.0 )
1327     {
1328         DrawText(str, x, y);
1329         return;
1330     }
1331
1332     if ( str.Length() == 0 )
1333         return ;
1334 */
1335     wxMacFastPortSetter helper(this) ;
1336     MacInstallFont() ;
1337
1338     if ( 0 )
1339     {
1340         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1341         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1342         m_macAliasWasEnabled = true ;
1343     }
1344     OSStatus status = noErr ;
1345     ATSUTextLayout atsuLayout ;
1346     UniCharCount chars = str.Length() ;
1347 #if wxUSE_UNICODE
1348     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1349         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1350 #else
1351     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1352     int wlen = wxWcslen( wchar.data() ) ;
1353     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) wchar.data() , 0 , wlen , wlen , 1 ,
1354         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1355 #endif
1356     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1357     int iAngle = int( angle );
1358     int drawX = XLOG2DEVMAC(x) ;
1359     int drawY = YLOG2DEVMAC(y) ;
1360
1361     ATSUTextMeasurement textBefore ;
1362     ATSUTextMeasurement textAfter ;
1363     ATSUTextMeasurement ascent ;
1364     ATSUTextMeasurement descent ;
1365
1366
1367     if ( abs(iAngle) > 0 )
1368     {
1369         Fixed atsuAngle = IntToFixed( iAngle ) ;
1370         ATSUAttributeTag atsuTags[] =
1371         {
1372             kATSULineRotationTag ,
1373         } ;
1374         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1375         {
1376             sizeof( Fixed ) ,
1377         } ;
1378         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1379         {
1380             &atsuAngle ,
1381         } ;
1382         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1383             atsuTags, atsuSizes, atsuValues ) ;
1384     }
1385     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1386         &textBefore , &textAfter, &ascent , &descent );
1387
1388     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1389     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1390     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1391         IntToFixed(drawX) , IntToFixed(drawY) );
1392     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1393     Rect rect ;
1394     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1395         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1396     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1397     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1398     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1399     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1400     ::ATSUDisposeTextLayout(atsuLayout);
1401 }
1402
1403 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1404 {
1405     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1406
1407     wxMacFastPortSetter helper(this) ;
1408     long xx = XLOG2DEVMAC(x);
1409     long yy = YLOG2DEVMAC(y);
1410 #if TARGET_CARBON
1411     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1412     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1413         useDrawThemeText = false ;
1414 #endif
1415     MacInstallFont() ;
1416     if ( 0 )
1417     {
1418         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1419         SetAntiAliasedTextEnabled(true, 8);
1420         m_macAliasWasEnabled = true ;
1421     }
1422     FontInfo fi ;
1423     ::GetFontInfo( &fi ) ;
1424 #if TARGET_CARBON
1425     if ( !useDrawThemeText )
1426 #endif
1427         yy += fi.ascent ;
1428     ::MoveTo( xx , yy );
1429     if (  m_backgroundMode == wxTRANSPARENT )
1430     {
1431         ::TextMode( srcOr) ;
1432     }
1433     else
1434     {
1435         ::TextMode( srcCopy ) ;
1436     }
1437     int line = 0 ;
1438     {
1439         wxString linetext = strtext ;
1440 #if TARGET_CARBON
1441         if ( useDrawThemeText )
1442         {
1443             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1444             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1445
1446             if ( m_backgroundMode != wxTRANSPARENT )
1447             {
1448                 Point bounds={0,0} ;
1449                 Rect background = frame ;
1450                 SInt16 baseline ;
1451                 ::GetThemeTextDimensions( mString,
1452                     m_font.MacGetThemeFontID() ,
1453                     kThemeStateActive,
1454                     false,
1455                     &bounds,
1456                     &baseline );
1457                 background.right = background.left + bounds.h ;
1458                 background.bottom = background.top + bounds.v ;
1459                 ::EraseRect( &background ) ;
1460             }
1461             ::DrawThemeTextBox( mString,
1462                 m_font.MacGetThemeFontID() ,
1463                 kThemeStateActive,
1464                 false,
1465                 &frame,
1466                 teJustLeft,
1467                 nil );
1468         }
1469         else
1470 #endif
1471         {
1472             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1473             if ( m_backgroundMode != wxTRANSPARENT )
1474             {
1475                 Rect frame = { yy - fi.ascent + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy - fi.ascent + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1476                 short width = ::TextWidth( text , 0 , strlen(text) ) ;
1477                 frame.right = frame.left + width ;
1478
1479                 ::EraseRect( &frame ) ;
1480             }
1481             ::DrawText( text , 0 , strlen(text) ) ;
1482          }
1483     }
1484     ::TextMode( srcOr ) ;
1485 }
1486
1487 bool  wxDC::CanGetTextExtent() const
1488 {
1489     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1490     return true ;
1491 }
1492
1493 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1494                             wxCoord *descent, wxCoord *externalLeading ,
1495                             wxFont *theFont ) const
1496 {
1497     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1498     wxMacFastPortSetter helper(this) ;
1499     wxFont formerFont = m_font ;
1500     if ( theFont )
1501     {
1502         // work around the constness
1503         *((wxFont*)(&m_font)) = *theFont ;
1504     }
1505     MacInstallFont() ;
1506     FontInfo fi ;
1507     ::GetFontInfo( &fi ) ;
1508 #if TARGET_CARBON
1509     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1510     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1511         useGetThemeText = false ;
1512 #endif
1513     if ( height )
1514         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1515     if ( descent )
1516         *descent =YDEV2LOGREL( fi.descent );
1517     if ( externalLeading )
1518         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1519
1520     int curwidth = 0 ;
1521     if ( width )
1522     {
1523         *width = 0 ;
1524         wxString linetext = strtext ;
1525
1526         if ( useGetThemeText )
1527         {
1528             Point bounds={0,0} ;
1529             SInt16 baseline ;
1530             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1531             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1532             ::GetThemeTextDimensions( mString,
1533                 themeFont ,
1534                 kThemeStateActive,
1535                 false,
1536                 &bounds,
1537                 &baseline );
1538             curwidth = bounds.h ;
1539         }
1540         else
1541         {
1542             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1543             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1544         }
1545         if ( curwidth > *width )
1546             *width = XDEV2LOGREL( curwidth ) ;
1547     }
1548     if ( theFont )
1549     {
1550         // work around the constness
1551         *((wxFont*)(&m_font)) = formerFont ;
1552         m_macFontInstalled = false ;
1553     }
1554 }
1555
1556
1557 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1558 {
1559     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1560
1561     widths.Empty();
1562     widths.Add(0, text.Length());
1563
1564     if (text.Length() == 0)
1565         return false;
1566
1567     wxMacFastPortSetter helper(this) ;
1568     MacInstallFont() ;
1569 #if TARGET_CARBON
1570     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1571     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1572         useGetThemeText = false ;
1573
1574     if ( useGetThemeText )
1575     {
1576         // If anybody knows how to do this more efficiently yet still handle
1577         // the fractional glyph widths that may be present when using AA
1578         // fonts, please change it.  Currently it is measuring from the
1579         // begining of the string for each succeding substring, which is much
1580         // slower than this should be.
1581         for (size_t i=0; i<text.Length(); i++)
1582         {
1583             wxString str(text.Left(i+1));
1584             Point bounds = {0,0};
1585             SInt16 baseline ;
1586             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1587             ::GetThemeTextDimensions( mString,
1588                                       m_font.MacGetThemeFontID(),
1589                                       kThemeStateActive,
1590                                       false,
1591                                       &bounds,
1592                                       &baseline );
1593             widths[i] = XDEV2LOGREL(bounds.h);
1594         }
1595     }
1596     else
1597 #endif
1598     {
1599         wxCharBuffer buff = text.mb_str(wxConvLocal);
1600         size_t len = strlen(buff);
1601         short* measurements = new short[len+1];
1602         MeasureText(len, buff.data(), measurements);
1603
1604         // Copy to widths, starting at measurements[1]
1605         // NOTE: this doesn't take into account any multi-byte characters
1606         // in buff, it probabkly should...
1607         for (size_t i=0; i<text.Length(); i++)
1608             widths[i] = XDEV2LOGREL(measurements[i+1]);
1609
1610         delete [] measurements;
1611     }
1612
1613     return true;
1614 }
1615
1616
1617
1618 wxCoord   wxDC::GetCharWidth(void) const
1619 {
1620     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1621     wxMacFastPortSetter helper(this) ;
1622     MacInstallFont() ;
1623     int width = 0 ;
1624 #if TARGET_CARBON
1625     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1626     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1627         useGetThemeText = false ;
1628 #endif
1629     char text[] = "g" ;
1630 #if TARGET_CARBON
1631     if ( useGetThemeText )
1632     {
1633         Point bounds={0,0} ;
1634         SInt16 baseline ;
1635         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1636         ::GetThemeTextDimensions( mString,
1637             m_font.MacGetThemeFontID(),
1638             kThemeStateActive,
1639             false,
1640             &bounds,
1641             &baseline );
1642         CFRelease( mString ) ;
1643         width = bounds.h ;
1644     }
1645     else
1646 #endif
1647     {
1648         width = ::TextWidth( text , 0 , 1 ) ;
1649     }
1650     return YDEV2LOGREL(width) ;
1651 }
1652
1653 wxCoord   wxDC::GetCharHeight(void) const
1654 {
1655     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1656     wxMacFastPortSetter helper(this) ;
1657     MacInstallFont() ;
1658     FontInfo fi ;
1659     ::GetFontInfo( &fi ) ;
1660     return YDEV2LOGREL( fi.descent + fi.ascent );
1661 }
1662
1663 void  wxDC::Clear(void)
1664 {
1665     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1666     wxMacFastPortSetter helper(this) ;
1667     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1668     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1669     {
1670         ::PenNormal() ;
1671         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1672         ::EraseRect( &rect ) ;
1673     }
1674 }
1675
1676 void wxDC::MacInstallFont() const
1677 {
1678     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1679     //    if ( m_macFontInstalled )
1680     //        return ;
1681     Pattern blackColor ;
1682     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1683     if ( m_font.Ok() )
1684     {
1685         ::TextFont( m_font.MacGetFontNum() ) ;
1686         ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1687         ::TextFace( m_font.MacGetFontStyle() ) ;
1688         m_macFontInstalled = true ;
1689         m_macBrushInstalled = false ;
1690         m_macPenInstalled = false ;
1691         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1692         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1693         ::RGBForeColor( &forecolor );
1694         ::RGBBackColor( &backcolor );
1695     }
1696     else
1697     {
1698         FontFamilyID fontId ;
1699         Str255 fontName ;
1700         SInt16 fontSize ;
1701         Style fontStyle ;
1702         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1703         GetFNum( fontName, &fontId );
1704         ::TextFont( fontId ) ;
1705         ::TextSize( short(m_scaleY * fontSize) ) ;
1706         ::TextFace( fontStyle ) ;
1707         // todo reset after spacing changes - or store the current spacing somewhere
1708         m_macFontInstalled = true ;
1709         m_macBrushInstalled = false ;
1710         m_macPenInstalled = false ;
1711         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1712         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1713         ::RGBForeColor( &forecolor );
1714         ::RGBBackColor( &backcolor );
1715     }
1716     short mode = patCopy ;
1717     // todo :
1718     switch( m_logicalFunction )
1719     {
1720     case wxCOPY:       // src
1721         mode = patCopy ;
1722         break ;
1723     case wxINVERT:     // NOT dst
1724         ::PenPat(GetQDGlobalsBlack(&blackColor));
1725         mode = patXor ;
1726         break ;
1727     case wxXOR:        // src XOR dst
1728         mode = patXor ;
1729         break ;
1730     case wxOR_REVERSE: // src OR (NOT dst)
1731         mode = notPatOr ;
1732         break ;
1733     case wxSRC_INVERT: // (NOT src)
1734         mode = notPatCopy ;
1735         break ;
1736     case wxAND: // src AND dst
1737         mode = adMin ;
1738         break ;
1739         // unsupported TODO
1740     case wxCLEAR:      // 0
1741     case wxAND_REVERSE:// src AND (NOT dst)
1742     case wxAND_INVERT: // (NOT src) AND dst
1743     case wxNO_OP:      // dst
1744     case wxNOR:        // (NOT src) AND (NOT dst)
1745     case wxEQUIV:      // (NOT src) XOR dst
1746     case wxOR_INVERT:  // (NOT src) OR dst
1747     case wxNAND:       // (NOT src) OR (NOT dst)
1748     case wxOR:         // src OR dst
1749     case wxSET:        // 1
1750         //        case wxSRC_OR:     // source _bitmap_ OR destination
1751         //        case wxSRC_AND:     // source _bitmap_ AND destination
1752         break ;
1753     }
1754     ::PenMode( mode ) ;
1755     OSStatus status = noErr ;
1756     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1757     Style qdStyle = m_font.MacGetATSUAdditionalQDStyles() ;
1758     ATSUFontID    atsuFont = m_font.MacGetATSUFontID() ;
1759     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1760     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1761     ATSUAttributeTag atsuTags[] =
1762     {
1763         kATSUFontTag ,
1764             kATSUSizeTag ,
1765             //        kATSUColorTag ,
1766             //        kATSUBaselineClassTag ,
1767             kATSUVerticalCharacterTag,
1768             kATSUQDBoldfaceTag ,
1769             kATSUQDItalicTag ,
1770             kATSUQDUnderlineTag ,
1771             kATSUQDCondensedTag ,
1772             kATSUQDExtendedTag ,
1773     } ;
1774     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1775     {
1776         sizeof( ATSUFontID ) ,
1777             sizeof( Fixed ) ,
1778             //        sizeof( RGBColor ) ,
1779             //        sizeof( BslnBaselineClass ) ,
1780             sizeof( ATSUVerticalCharacterType),
1781             sizeof( Boolean ) ,
1782             sizeof( Boolean ) ,
1783             sizeof( Boolean ) ,
1784             sizeof( Boolean ) ,
1785             sizeof( Boolean ) ,
1786     } ;
1787     Boolean kTrue = true ;
1788     Boolean kFalse = false ;
1789     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1790     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1791     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1792     {
1793         &atsuFont ,
1794             &atsuSize ,
1795             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1796             //        &kBaselineDefault ,
1797             &kHorizontal,
1798             (qdStyle & bold) ? &kTrue : &kFalse ,
1799             (qdStyle & italic) ? &kTrue : &kFalse ,
1800             (qdStyle & underline) ? &kTrue : &kFalse ,
1801             (qdStyle & condense) ? &kTrue : &kFalse ,
1802             (qdStyle & extend) ? &kTrue : &kFalse ,
1803     } ;
1804     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1805         atsuTags, atsuSizes, atsuValues);
1806     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1807 }
1808
1809 Pattern gPatterns[] =
1810 {   // hatch patterns
1811     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1812     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1813     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1814     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1815     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1816     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1817     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1818     // dash patterns
1819     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1820     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1821     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1822     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1823 } ;
1824
1825 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1826 {
1827     int index = 0;  // solid pattern by default
1828     switch(penStyle)
1829     {
1830         // hatches
1831         case wxBDIAGONAL_HATCH:     index = 1; break;
1832         case wxFDIAGONAL_HATCH:     index = 2; break;
1833         case wxCROSS_HATCH:         index = 3; break;
1834         case wxHORIZONTAL_HATCH:    index = 4; break;
1835         case wxVERTICAL_HATCH:      index = 5; break;
1836         case wxCROSSDIAG_HATCH:     index = 6; break;
1837         // dashes
1838         case wxDOT:                 index = 7; break;
1839         case wxLONG_DASH:           index = 8; break;
1840         case wxSHORT_DASH:          index = 9; break;
1841         case wxDOT_DASH:            index = 10; break;
1842     }
1843     *pattern = gPatterns[index];
1844 }
1845
1846 void wxDC::MacInstallPen() const
1847 {
1848     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1849     //Pattern     blackColor;
1850     //    if ( m_macPenInstalled )
1851     //        return ;
1852     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1853     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1854     ::RGBForeColor( &forecolor );
1855     ::RGBBackColor( &backcolor );
1856     ::PenNormal() ;
1857     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1858     // null means only one pixel, at whatever resolution
1859     if ( penWidth == 0 )
1860         penWidth = 1 ;
1861     ::PenSize(penWidth, penWidth);
1862
1863     int penStyle = m_pen.GetStyle();
1864     Pattern pat;
1865     if (penStyle == wxUSER_DASH)
1866     {
1867         // FIXME: there should be exactly 8 items in the dash
1868         wxDash* dash ;
1869         int number = m_pen.GetDashes(&dash) ;
1870         int index = 0;
1871         for ( int i = 0 ; i < 8 ; ++i )
1872         {
1873             pat.pat[i] = dash[index] ;
1874             if (index < number - 1)
1875                 index++;
1876         }
1877     }
1878     else
1879     {
1880         wxMacGetPattern(penStyle, &pat);
1881     }
1882     ::PenPat(&pat);
1883
1884     short mode = patCopy ;
1885     // todo :
1886     switch( m_logicalFunction )
1887     {
1888     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1889         mode = patOr ;
1890         break ;
1891     case wxINVERT:     // NOT dst
1892         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1893         mode = patXor ;
1894         break ;
1895     case wxXOR:        // src XOR dst
1896         mode = patXor ;
1897         break ;
1898     case wxOR_REVERSE: // src OR (NOT dst)
1899         mode = notPatOr ;
1900         break ;
1901     case wxSRC_INVERT: // (NOT src)
1902         mode = notPatCopy ;
1903         break ;
1904     case wxAND: // src AND dst
1905         mode = adMin ;
1906         break ;
1907         // unsupported TODO
1908     case wxCLEAR:      // 0
1909     case wxAND_REVERSE:// src AND (NOT dst)
1910     case wxAND_INVERT: // (NOT src) AND dst
1911     case wxNO_OP:      // dst
1912     case wxNOR:        // (NOT src) AND (NOT dst)
1913     case wxEQUIV:      // (NOT src) XOR dst
1914     case wxOR_INVERT:  // (NOT src) OR dst
1915     case wxNAND:       // (NOT src) OR (NOT dst)
1916     case wxOR:         // src OR dst
1917     case wxSET:        // 1
1918         //        case wxSRC_OR:     // source _bitmap_ OR destination
1919         //        case wxSRC_AND:     // source _bitmap_ AND destination
1920         break ;
1921     }
1922     ::PenMode( mode ) ;
1923     m_macPenInstalled = true ;
1924     m_macBrushInstalled = false ;
1925     m_macFontInstalled = false ;
1926 }
1927
1928 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1929 {
1930     Pattern whiteColor ;
1931     if ( background.Ok() )
1932     {
1933         switch( background.MacGetBrushKind() )
1934         {
1935             case kwxMacBrushTheme :
1936             {
1937                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1938                 break ;
1939             }
1940             case kwxMacBrushThemeBackground :
1941             {
1942                 Rect extent ;
1943                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1944                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1945                 break ;
1946             }
1947             case kwxMacBrushColour :
1948             {
1949                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1950                 int brushStyle = background.GetStyle();
1951                 if (brushStyle == wxSOLID)
1952                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1953                 else if (IS_HATCH(brushStyle))
1954                 {
1955                     Pattern pat ;
1956                     wxMacGetPattern(brushStyle, &pat);
1957                     ::BackPat(&pat);
1958                 }
1959                 else
1960                 {
1961                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1962                 }
1963                 break ;
1964             }
1965         }
1966     }
1967 }
1968
1969 void wxDC::MacInstallBrush() const
1970 {
1971     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1972     Pattern     blackColor ;
1973     //    if ( m_macBrushInstalled )
1974     //        return ;
1975     // foreground
1976     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1977     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1978     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1979     int brushStyle = m_brush.GetStyle();
1980     if (brushStyle == wxSOLID)
1981     {
1982         ::PenPat(GetQDGlobalsBlack(&blackColor));
1983     }
1984     else if (IS_HATCH(brushStyle))
1985     {
1986         Pattern pat ;
1987         wxMacGetPattern(brushStyle, &pat);
1988         ::PenPat(&pat);
1989     }
1990     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1991     {
1992         // we force this in order to be compliant with wxMSW
1993         backgroundTransparent = false ;
1994         // for these the text fore (and back for MASK_OPAQUE) colors are used
1995         wxBitmap* bitmap = m_brush.GetStipple() ;
1996         int width = bitmap->GetWidth() ;
1997         int height = bitmap->GetHeight() ;
1998         GWorldPtr gw = NULL ;
1999         if ( m_brush.GetStyle() == wxSTIPPLE )
2000             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2001         else
2002             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2003         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2004         LockPixels( gwpixmaphandle ) ;
2005         bool isMonochrome = !IsPortColor( gw ) ;
2006         if ( !isMonochrome )
2007         {
2008             if ( (**gwpixmaphandle).pixelSize == 1 )
2009                 isMonochrome = true ;
2010         }
2011         if ( isMonochrome && width == 8 && height == 8 )
2012         {
2013             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2014             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2015             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2016             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2017             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2018             Pattern pat ;
2019             for ( int i = 0 ; i < 8 ; ++i )
2020             {
2021                 pat.pat[i] = gwbits[i*alignment+0] ;
2022             }
2023             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2024             ::PenPat( &pat ) ;
2025         }
2026         else
2027         {
2028             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2029             // caching scheme before putting this into production
2030             Handle      image;
2031             long        imageSize;
2032             PixPatHandle pixpat = NewPixPat() ;
2033             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2034             imageSize = GetPixRowBytes((**pixpat).patMap) *
2035                 ((**(**pixpat).patMap).bounds.bottom -
2036                 (**(**pixpat).patMap).bounds.top);
2037             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2038             (**pixpat).patData = image;
2039             if ( isMonochrome )
2040             {
2041                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2042                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2043                 if ( ctspec[0].rgb.red == 0x0000 )
2044                 {
2045                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2046                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2047                 }
2048                 else
2049                 {
2050                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2051                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2052                 }
2053                 ::CTabChanged( ctable ) ;
2054             }
2055             ::PenPixPat(pixpat);
2056             m_macForegroundPixMap = pixpat ;
2057         }
2058         UnlockPixels( gwpixmaphandle ) ;
2059     }
2060     else
2061     {
2062         ::PenPat(GetQDGlobalsBlack(&blackColor));
2063     }
2064     short mode = patCopy ;
2065     switch( m_logicalFunction )
2066     {
2067     case wxCOPY:       // src
2068         if ( backgroundTransparent )
2069             mode = patOr ;
2070         else
2071             mode = patCopy ;
2072         break ;
2073     case wxINVERT:     // NOT dst
2074         if ( !backgroundTransparent )
2075         {
2076             ::PenPat(GetQDGlobalsBlack(&blackColor));
2077         }
2078         mode = patXor ;
2079         break ;
2080     case wxXOR:        // src XOR dst
2081         mode = patXor ;
2082         break ;
2083     case wxOR_REVERSE: // src OR (NOT dst)
2084         mode = notPatOr ;
2085         break ;
2086     case wxSRC_INVERT: // (NOT src)
2087         mode = notPatCopy ;
2088         break ;
2089     case wxAND: // src AND dst
2090         mode = adMin ;
2091         break ;
2092         // unsupported TODO
2093     case wxCLEAR:      // 0
2094     case wxAND_REVERSE:// src AND (NOT dst)
2095     case wxAND_INVERT: // (NOT src) AND dst
2096     case wxNO_OP:      // dst
2097     case wxNOR:        // (NOT src) AND (NOT dst)
2098     case wxEQUIV:      // (NOT src) XOR dst
2099     case wxOR_INVERT:  // (NOT src) OR dst
2100     case wxNAND:       // (NOT src) OR (NOT dst)
2101     case wxOR:         // src OR dst
2102     case wxSET:        // 1
2103         //        case wxSRC_OR:     // source _bitmap_ OR destination
2104         //        case wxSRC_AND:     // source _bitmap_ AND destination
2105         break ;
2106     }
2107     ::PenMode( mode ) ;
2108     m_macBrushInstalled = true ;
2109     m_macPenInstalled = false ;
2110     m_macFontInstalled = false ;
2111 }
2112
2113 // ---------------------------------------------------------------------------
2114 // coordinates transformations
2115 // ---------------------------------------------------------------------------
2116
2117 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2118 {
2119     return ((wxDC *)this)->XDEV2LOG(x);
2120 }
2121
2122 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2123 {
2124     return ((wxDC *)this)->YDEV2LOG(y);
2125 }
2126
2127 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2128 {
2129     return ((wxDC *)this)->XDEV2LOGREL(x);
2130 }
2131
2132 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2133 {
2134     return ((wxDC *)this)->YDEV2LOGREL(y);
2135 }
2136
2137 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2138 {
2139     return ((wxDC *)this)->XLOG2DEV(x);
2140 }
2141
2142 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2143 {
2144     return ((wxDC *)this)->YLOG2DEV(y);
2145 }
2146
2147 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2148 {
2149     return ((wxDC *)this)->XLOG2DEVREL(x);
2150 }
2151
2152 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2153 {
2154     return ((wxDC *)this)->YLOG2DEVREL(y);
2155 }