src/mac/dc.cpp

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