src/mac/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 // set to 0 if problems arise
  59 #define wxMAC_EXPERIMENTAL_DC 1
  60
  61 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  62     m_ph( (GrafPtr) dc->m_macPort )
  63 {
  64     wxASSERT( dc->Ok() ) ;
  65     m_dc = dc ;
  66     dc->MacSetupPort(&m_ph) ;
  67 }
  68 wxMacPortSetter::~wxMacPortSetter()
  69 {
  70     m_dc->MacCleanupPort(&m_ph) ;
  71 }
  72
  73 #if wxMAC_EXPERIMENTAL_DC
  74 class wxMacFastPortSetter
  75 {
  76 public :
  77     wxMacFastPortSetter( const wxDC *dc )
  78     {
  79             wxASSERT( dc->Ok() ) ;
  80             GetPort( &m_oldPort ) ;
  81             SetPort( (GrafPtr) dc->m_macPort ) ;
  82             m_dc = dc ;
  83             dc->MacSetupPort( NULL ) ;
  84     }
  85     ~wxMacFastPortSetter()
  86     {
  87             SetPort( m_oldPort ) ;
  88             m_dc->MacCleanupPort( NULL ) ;
  89     }
  90 private :
  91     GrafPtr m_oldPort ;
  92     const wxDC*   m_dc ;
  93 } ;
  94
  95 #else
  96 typedef wxMacPortSetter wxMacFastPortSetter ;
  97 #endif
  98
  99 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
 100 {
 101     m_formerClip = NewRgn() ;
 102     m_newClip = NewRgn() ;
 103     GetClip( m_formerClip ) ;
 104
 105     if ( win )
 106     {
 107 #if 0
 108         // this clipping area was set to the parent window's drawing area, lead to problems
 109         // with MacOSX controls drawing outside their wx' rectangle
 110         RgnHandle insidergn = NewRgn() ;
 111         int x = 0 , y = 0;
 112         wxWindow *parent = win->GetParent() ;
 113         parent->MacWindowToRootWindow( &x,&y ) ;
 114         wxSize size = parent->GetSize() ;
 115         SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
 116             size.x - parent->MacGetRightBorderSize(),
 117             size.y - parent->MacGetBottomBorderSize()) ;
 118         CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
 119         SectRgn( m_newClip , insidergn , m_newClip ) ;
 120         OffsetRgn( m_newClip , x , y ) ;
 121         SetClip( m_newClip ) ;
 122         DisposeRgn( insidergn ) ;
 123 #else
 124         int x = 0 , y = 0;
 125         win->MacWindowToRootWindow( &x,&y ) ;
 126         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion().GetWXHRGN() , m_newClip ) ;
 127         OffsetRgn( m_newClip , x , y ) ;
 128         SetClip( m_newClip ) ;
 129 #endif
 130     }
 131 }
 132
 133 wxMacWindowClipper::~wxMacWindowClipper()
 134 {
 135     SetClip( m_formerClip ) ;
 136     DisposeRgn( m_newClip ) ;
 137     DisposeRgn( m_formerClip ) ;
 138 }
 139
 140 //-----------------------------------------------------------------------------
 141 // Local functions
 142 //-----------------------------------------------------------------------------
 143 static inline double dmin(double a, double b) { return a < b ? a : b; }
 144 static inline double dmax(double a, double b) { return a > b ? a : b; }
 145 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 146
 147 //-----------------------------------------------------------------------------
 148 // wxDC
 149 //-----------------------------------------------------------------------------
 150 // this function emulates all wx colour manipulations, used to verify the implementation
 151 // by setting the mode in the blitting functions to kEmulatedMode
 152 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 153
 154 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 155 {
 156     switch ( logical_func )
 157     {
 158         case wxAND:        // src AND dst
 159             dstColor.red = dstColor.red & srcColor.red ;
 160             dstColor.green = dstColor.green & srcColor.green ;
 161             dstColor.blue = dstColor.blue & srcColor.blue ;
 162             break ;
 163         case wxAND_INVERT: // (NOT src) AND dst
 164             dstColor.red = dstColor.red & ~srcColor.red ;
 165             dstColor.green = dstColor.green & ~srcColor.green ;
 166             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 167             break ;
 168         case wxAND_REVERSE:// src AND (NOT 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 wxCLEAR:      // 0
 174             dstColor.red = 0 ;
 175             dstColor.green = 0 ;
 176             dstColor.blue = 0 ;
 177             break ;
 178         case wxCOPY:       // src
 179             dstColor.red = srcColor.red ;
 180             dstColor.green = srcColor.green ;
 181             dstColor.blue = srcColor.blue ;
 182             break ;
 183         case wxEQUIV:      // (NOT src) XOR dst
 184             dstColor.red = dstColor.red ^ ~srcColor.red ;
 185             dstColor.green = dstColor.green ^ ~srcColor.green ;
 186             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 187             break ;
 188         case wxINVERT:     // NOT dst
 189             dstColor.red = ~dstColor.red ;
 190             dstColor.green = ~dstColor.green ;
 191             dstColor.blue = ~dstColor.blue ;
 192             break ;
 193         case wxNAND:       // (NOT src) OR (NOT 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 wxNOR:        // (NOT src) AND (NOT dst)
 199             dstColor.red = ~dstColor.red & ~srcColor.red ;
 200             dstColor.green = ~dstColor.green & ~srcColor.green ;
 201             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 202             break ;
 203         case wxNO_OP:      // dst
 204             break ;
 205         case wxOR:         // src OR dst
 206             dstColor.red = dstColor.red | srcColor.red ;
 207             dstColor.green = dstColor.green | srcColor.green ;
 208             dstColor.blue = dstColor.blue | srcColor.blue ;
 209             break ;
 210         case wxOR_INVERT:  // (NOT src) OR dst
 211             dstColor.red = dstColor.red | ~srcColor.red ;
 212             dstColor.green = dstColor.green | ~srcColor.green ;
 213             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 214             break ;
 215         case wxOR_REVERSE: // src OR (NOT 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 wxSET:        // 1
 221             dstColor.red = 0xFFFF ;
 222             dstColor.green = 0xFFFF ;
 223             dstColor.blue = 0xFFFF ;
 224             break ;
 225         case wxSRC_INVERT: // (NOT src)
 226             dstColor.red = ~srcColor.red ;
 227             dstColor.green = ~srcColor.green ;
 228             dstColor.blue = ~srcColor.blue ;
 229             break ;
 230         case wxXOR:        // src XOR dst
 231             dstColor.red = dstColor.red ^ srcColor.red ;
 232             dstColor.green = dstColor.green ^ srcColor.green ;
 233             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 234             break ;
 235     }
 236 }
 237
 238 wxDC::wxDC()
 239 {
 240     m_ok = FALSE;
 241     m_colour = TRUE;
 242     m_mm_to_pix_x = mm2pt;
 243     m_mm_to_pix_y = mm2pt;
 244     m_internalDeviceOriginX = 0;
 245     m_internalDeviceOriginY = 0;
 246     m_externalDeviceOriginX = 0;
 247     m_externalDeviceOriginY = 0;
 248     m_logicalScaleX = 1.0;
 249     m_logicalScaleY = 1.0;
 250     m_userScaleX = 1.0;
 251     m_userScaleY = 1.0;
 252     m_scaleX = 1.0;
 253     m_scaleY = 1.0;
 254     m_needComputeScaleX = FALSE;
 255     m_needComputeScaleY = FALSE;
 256     m_macPort = NULL ;
 257     m_macMask = NULL ;
 258     m_ok = FALSE ;
 259     m_macFontInstalled = false ;
 260     m_macBrushInstalled = false ;
 261     m_macPenInstalled = false ;
 262     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 263     m_macBoundaryClipRgn = NewRgn() ;
 264     m_macCurrentClipRgn = NewRgn() ;
 265     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 266     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 267     m_pen = *wxBLACK_PEN;
 268     m_font = *wxNORMAL_FONT;
 269     m_brush = *wxWHITE_BRUSH;
 270 #ifdef __WXDEBUG__
 271     // needed to debug possible errors with two active drawing methods at the same time on
 272     // the same DC
 273     m_macCurrentPortStateHelper = NULL ;
 274 #endif
 275     m_macATSUIStyle = NULL ;
 276     m_macAliasWasEnabled = false;
 277     m_macForegroundPixMap = NULL ;
 278     m_macBackgroundPixMap = NULL ;
 279 }
 280
 281 wxDC::~wxDC(void)
 282 {
 283     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 284     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 285 }
 286
 287 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 288 {
 289 #ifdef __WXDEBUG__
 290     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 291     m_macCurrentPortStateHelper = help ;
 292 #endif
 293     SetClip( (RgnHandle) m_macCurrentClipRgn);
 294 #if ! wxMAC_EXPERIMENTAL_DC
 295     m_macFontInstalled = false ;
 296     m_macBrushInstalled = false ;
 297     m_macPenInstalled = false ;
 298 #endif
 299 }
 300 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 301 {
 302 #ifdef __WXDEBUG__
 303     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 304     m_macCurrentPortStateHelper = NULL ;
 305 #endif
 306     if( m_macATSUIStyle )
 307     {
 308         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 309         m_macATSUIStyle = NULL ;
 310     }
 311     if ( m_macAliasWasEnabled )
 312     {
 313         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 314         m_macAliasWasEnabled = false ;
 315     }
 316     if ( m_macForegroundPixMap )
 317     {
 318         Pattern blackColor ;
 319         ::PenPat(GetQDGlobalsBlack(&blackColor));
 320         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 321         m_macForegroundPixMap = NULL ;
 322     }
 323     if ( m_macBackgroundPixMap )
 324     {
 325         Pattern whiteColor ;
 326         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 327         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 328         m_macBackgroundPixMap = NULL ;
 329     }
 330 }
 331
 332 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 333 {
 334      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 335      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 336      wxMacFastPortSetter helper(this) ;
 337      wxCoord xx = XLOG2DEVMAC(x);
 338      wxCoord yy = YLOG2DEVMAC(y);
 339      wxCoord w = bmp.GetWidth();
 340      wxCoord h = bmp.GetHeight();
 341      wxCoord ww = XLOG2DEVREL(w);
 342      wxCoord hh = YLOG2DEVREL(h);
 343      // Set up drawing mode
 344      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 345                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 346                     //m_logicalFunction == wxSET ? BLACKNESS :
 347                     m_logicalFunction == wxINVERT ? hilite :
 348                    //m_logicalFunction == wxAND ? MERGECOPY :
 349                     m_logicalFunction == wxOR ? srcOr :
 350                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 351                     m_logicalFunction == wxXOR ? srcXor :
 352                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 353                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 354                     //m_logicalFunction == wxSRC_OR ? srcOr :
 355                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 356                     srcCopy );
 357      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 358          Rect bitmaprect = { 0 , 0 , hh, ww };
 359          ::OffsetRect( &bitmaprect, xx, yy ) ;
 360          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 361     }
 362      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 363      {
 364          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 365          PixMapHandle bmappixels ;
 366          // Set foreground and background colours (for bitmaps depth = 1)
 367          if(bmp.GetDepth() == 1)
 368         {
 369              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 370              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 371              RGBForeColor(&fore);
 372              RGBBackColor(&back);
 373          }
 374          else
 375          {
 376              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 377              RGBColor black = { 0,0,0} ;
 378              RGBForeColor( &black ) ;
 379              RGBBackColor( &white ) ;
 380          }
 381          bmappixels = GetGWorldPixMap( bmapworld ) ;
 382          wxCHECK_RET(LockPixels(bmappixels),
 383                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 384          Rect source = { 0, 0, h, w };
 385          Rect dest   = { yy, xx, yy + hh, xx + ww };
 386          if ( useMask && bmp.GetMask() )
 387          {
 388              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 389              {
 390                  CopyDeepMask
 391                      (
 392                       GetPortBitMapForCopyBits(bmapworld),
 393                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 394                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 395                       &source, &source, &dest, mode, NULL
 396                       );
 397                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 398              }
 399          }
 400          else {
 401              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 402                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 403                        &source, &dest, mode, NULL ) ;
 404          }
 405          UnlockPixels( bmappixels ) ;
 406      }
 407      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 408      {
 409         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 410         OffsetRect( &bitmaprect, xx, yy ) ;
 411         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 412      }
 413      m_macPenInstalled = false ;
 414      m_macBrushInstalled = false ;
 415      m_macFontInstalled = false ;
 416 }
 417
 418 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 419 {
 420     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 421     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 422     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 423 }
 424
 425 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 426 {
 427     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 428     wxCoord xx, yy, ww, hh;
 429     xx = XLOG2DEVMAC(x);
 430     yy = YLOG2DEVMAC(y);
 431     ww = XLOG2DEVREL(width);
 432     hh = YLOG2DEVREL(height);
 433     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 434     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 435     if( m_clipping )
 436     {
 437         m_clipX1 = wxMax( m_clipX1 , xx );
 438         m_clipY1 = wxMax( m_clipY1 , yy );
 439         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 440         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 441     }
 442     else
 443     {
 444         m_clipping = TRUE;
 445         m_clipX1 = xx;
 446         m_clipY1 = yy;
 447         m_clipX2 = xx + ww;
 448         m_clipY2 = yy + hh;
 449     }
 450 }
 451
 452 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 453 {
 454     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 455     if (region.Empty())
 456     {
 457         DestroyClippingRegion();
 458         return;
 459     }
 460     wxMacFastPortSetter helper(this) ;
 461     wxCoord x, y, w, h;
 462     region.GetBox( x, y, w, h );
 463     wxCoord xx, yy, ww, hh;
 464     xx = XLOG2DEVMAC(x);
 465     yy = YLOG2DEVMAC(y);
 466     ww = XLOG2DEVREL(w);
 467     hh = YLOG2DEVREL(h);
 468     // if we have a scaling that we cannot map onto native regions
 469     // we must use the box
 470     if ( ww != w || hh != h )
 471     {
 472         wxDC::DoSetClippingRegion( x, y, w, h );
 473     }
 474     else
 475     {
 476         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 477         if ( xx != x || yy != y )
 478         {
 479             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 480         }
 481         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 482         if( m_clipping )
 483         {
 484             m_clipX1 = wxMax( m_clipX1 , xx );
 485             m_clipY1 = wxMax( m_clipY1 , yy );
 486             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 487             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 488         }
 489         else
 490         {
 491             m_clipping = TRUE;
 492             m_clipX1 = xx;
 493             m_clipY1 = yy;
 494             m_clipX2 = xx + ww;
 495             m_clipY2 = yy + hh;
 496         }
 497     }
 498 }
 499
 500 void wxDC::DestroyClippingRegion()
 501 {
 502     wxMacFastPortSetter helper(this) ;
 503     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 504     m_clipping = FALSE;
 505 }
 506
 507 void wxDC::DoGetSizeMM( int* width, int* height ) const
 508 {
 509     int w = 0;
 510     int h = 0;
 511     GetSize( &w, &h );
 512     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 513     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 514 }
 515
 516 void wxDC::SetTextForeground( const wxColour &col )
 517 {
 518     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 519     m_textForegroundColour = col;
 520     m_macFontInstalled = false ;
 521 }
 522
 523 void wxDC::SetTextBackground( const wxColour &col )
 524 {
 525     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 526     m_textBackgroundColour = col;
 527     m_macFontInstalled = false ;
 528 }
 529
 530 void wxDC::SetMapMode( int mode )
 531 {
 532     switch (mode)
 533     {
 534     case wxMM_TWIPS:
 535         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 536         break;
 537     case wxMM_POINTS:
 538         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 539         break;
 540     case wxMM_METRIC:
 541         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 542         break;
 543     case wxMM_LOMETRIC:
 544         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 545         break;
 546     default:
 547     case wxMM_TEXT:
 548         SetLogicalScale( 1.0, 1.0 );
 549         break;
 550     }
 551     if (mode != wxMM_TEXT)
 552     {
 553         m_needComputeScaleX = TRUE;
 554         m_needComputeScaleY = TRUE;
 555     }
 556 }
 557
 558 void wxDC::SetUserScale( double x, double y )
 559 {
 560     // allow negative ? -> no
 561     m_userScaleX = x;
 562     m_userScaleY = y;
 563     ComputeScaleAndOrigin();
 564 }
 565
 566 void wxDC::SetLogicalScale( double x, double y )
 567 {
 568     // allow negative ?
 569     m_logicalScaleX = x;
 570     m_logicalScaleY = y;
 571     ComputeScaleAndOrigin();
 572 }
 573
 574 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 575 {
 576     m_logicalOriginX = x * m_signX;   // is this still correct ?
 577     m_logicalOriginY = y * m_signY;
 578     ComputeScaleAndOrigin();
 579 }
 580
 581 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 582 {
 583     m_externalDeviceOriginX = x;
 584     m_externalDeviceOriginY = y;
 585     ComputeScaleAndOrigin();
 586 }
 587
 588 #if 0
 589 void wxDC::SetInternalDeviceOrigin( long x, long y )
 590 {
 591     m_internalDeviceOriginX = x;
 592     m_internalDeviceOriginY = y;
 593     ComputeScaleAndOrigin();
 594 }
 595 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 596 {
 597     if (x) *x = m_internalDeviceOriginX;
 598     if (y) *y = m_internalDeviceOriginY;
 599 }
 600 #endif
 601
 602 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 603 {
 604     m_signX = (xLeftRight ?  1 : -1);
 605     m_signY = (yBottomUp  ? -1 :  1);
 606     ComputeScaleAndOrigin();
 607 }
 608
 609 wxSize wxDC::GetPPI() const
 610 {
 611     return wxSize(72, 72);
 612 }
 613
 614 int wxDC::GetDepth() const
 615 {
 616     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 617     {
 618         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 619     }
 620     return 1 ;
 621 }
 622
 623 void wxDC::ComputeScaleAndOrigin()
 624 {
 625     // CMB: copy scale to see if it changes
 626     double origScaleX = m_scaleX;
 627     double origScaleY = m_scaleY;
 628     m_scaleX = m_logicalScaleX * m_userScaleX;
 629     m_scaleY = m_logicalScaleY * m_userScaleY;
 630     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 631     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 632     // CMB: if scale has changed call SetPen to recalulate the line width
 633     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 634     {
 635         // this is a bit artificial, but we need to force wxDC to think
 636         // the pen has changed
 637         wxPen* pen = & GetPen();
 638         wxPen tempPen;
 639         m_pen = tempPen;
 640         SetPen(* pen);
 641     }
 642 }
 643
 644 void  wxDC::SetPalette( const wxPalette& palette )
 645 {
 646 }
 647
 648 void  wxDC::SetBackgroundMode( int mode )
 649 {
 650     m_backgroundMode = mode ;
 651 }
 652
 653 void  wxDC::SetFont( const wxFont &font )
 654 {
 655     m_font = font;
 656     m_macFontInstalled = false ;
 657 }
 658
 659 void  wxDC::SetPen( const wxPen &pen )
 660 {
 661     if ( m_pen == pen )
 662         return ;
 663     m_pen = pen;
 664     m_macPenInstalled = false ;
 665 }
 666
 667 void  wxDC::SetBrush( const wxBrush &brush )
 668 {
 669     if (m_brush == brush)
 670         return;
 671     m_brush = brush;
 672     m_macBrushInstalled = false ;
 673 }
 674
 675 void  wxDC::SetBackground( const wxBrush &brush )
 676 {
 677     if (m_backgroundBrush == brush)
 678         return;
 679     m_backgroundBrush = brush;
 680     if (!m_backgroundBrush.Ok())
 681         return;
 682     m_macBrushInstalled = false ;
 683 }
 684
 685 void  wxDC::SetLogicalFunction( int function )
 686 {
 687     if (m_logicalFunction == function)
 688         return;
 689     m_logicalFunction = function ;
 690     m_macFontInstalled = false ;
 691     m_macBrushInstalled = false ;
 692     m_macPenInstalled = false ;
 693 }
 694
 695 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 696                           const wxColour & col, int style);
 697
 698 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 699                        const wxColour& col, int style)
 700 {
 701     return wxDoFloodFill(this, x, y, col, style);
 702 }
 703
 704 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 705 {
 706     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 707     wxMacFastPortSetter helper(this) ;
 708     RGBColor colour;
 709     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 710     // Convert from Mac colour to wx
 711     col->Set( colour.red   >> 8,
 712         colour.green >> 8,
 713         colour.blue  >> 8);
 714     return true ;
 715 }
 716
 717 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 718 {
 719     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 720     wxMacFastPortSetter helper(this) ;
 721     if (m_pen.GetStyle() != wxTRANSPARENT)
 722     {
 723         MacInstallPen() ;
 724         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 725         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 726         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 727         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 728         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 729         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 730         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 731             (m_pen.GetWidth() <= 1))
 732         {
 733             // Implement LAST_NOT for MAC at least for
 734             // orthogonal lines. RR.
 735             if (xx1 == xx2)
 736             {
 737                 if (yy1 < yy2)
 738                     yy2--;
 739                 if (yy1 > yy2)
 740                     yy2++;
 741             }
 742             if (yy1 == yy2)
 743             {
 744                 if (xx1 < xx2)
 745                     xx2--;
 746                 if (xx1 > xx2)
 747                     xx2++;
 748             }
 749         }
 750         ::MoveTo(xx1, yy1);
 751         ::LineTo(xx2, yy2);
 752     }
 753 }
 754
 755 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 756 {
 757     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 758     wxMacFastPortSetter helper(this) ;
 759     if (m_pen.GetStyle() != wxTRANSPARENT)
 760     {
 761         int w = 0;
 762         int h = 0;
 763         GetSize( &w, &h );
 764         wxCoord xx = XLOG2DEVMAC(x);
 765         wxCoord yy = YLOG2DEVMAC(y);
 766         MacInstallPen();
 767         ::MoveTo( XLOG2DEVMAC(0), yy );
 768         ::LineTo( XLOG2DEVMAC(w), yy );
 769         ::MoveTo( xx, YLOG2DEVMAC(0) );
 770         ::LineTo( xx, YLOG2DEVMAC(h) );
 771         CalcBoundingBox(x, y);
 772         CalcBoundingBox(x+w, y+h);
 773     }
 774 }
 775
 776 /*
 777 * To draw arcs properly the angles need to be converted from the WX style:
 778 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 779 * a normal axis on paper).
 780 * TO
 781 * the Mac style:
 782 * Angles start on the +ve y axis and go clockwise.
 783 */
 784
 785 static double wxConvertWXangleToMACangle(double angle)
 786 {
 787     double newAngle = 90 - angle ;
 788     if ( newAngle < 0 )
 789         newAngle += 360 ;
 790     return newAngle ;
 791 }
 792
 793 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 794                       wxCoord x2, wxCoord y2,
 795                       wxCoord xc, wxCoord yc )
 796 {
 797     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 798     wxMacFastPortSetter helper(this) ;
 799     wxCoord xx1 = XLOG2DEVMAC(x1);
 800     wxCoord yy1 = YLOG2DEVMAC(y1);
 801     wxCoord xx2 = XLOG2DEVMAC(x2);
 802     wxCoord yy2 = YLOG2DEVMAC(y2);
 803     wxCoord xxc = XLOG2DEVMAC(xc);
 804     wxCoord yyc = YLOG2DEVMAC(yc);
 805     double dx = xx1 - xxc;
 806     double dy = yy1 - yyc;
 807     double radius = sqrt((double)(dx*dx+dy*dy));
 808     wxCoord rad   = (wxCoord)radius;
 809     double radius1, radius2;
 810     if (xx1 == xx2 && yy1 == yy2)
 811     {
 812         radius1 = 0.0;
 813         radius2 = 360.0;
 814     }
 815     else if (radius == 0.0)
 816     {
 817         radius1 = radius2 = 0.0;
 818     }
 819     else
 820     {
 821         radius1 = (xx1 - xxc == 0) ?
 822             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 823         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 824         radius2 = (xx2 - xxc == 0) ?
 825             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 826         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 827     }
 828     wxCoord alpha2 = wxCoord(radius2 - radius1);
 829     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 830     if( (xx1 > xx2) || (yy1 > yy2) ) {
 831         alpha2 *= -1;
 832     }
 833     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 834     if(m_brush.GetStyle() != wxTRANSPARENT) {
 835         MacInstallBrush();
 836         PaintArc(&r, alpha1, alpha2);
 837     }
 838     if(m_pen.GetStyle() != wxTRANSPARENT) {
 839         MacInstallPen();
 840         FrameArc(&r, alpha1, alpha2);
 841     }
 842 }
 843
 844 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 845                               double sa, double ea )
 846 {
 847     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 848     wxMacFastPortSetter helper(this) ;
 849     Rect r;
 850     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 851     // we have to make sure that the filling is always counter-clockwise
 852     if ( angle > 0 )
 853         angle -= 360 ;
 854     wxCoord xx = XLOG2DEVMAC(x);
 855     wxCoord yy = YLOG2DEVMAC(y);
 856     wxCoord ww = m_signX * XLOG2DEVREL(w);
 857     wxCoord hh = m_signY * YLOG2DEVREL(h);
 858     // handle -ve width and/or height
 859     if (ww < 0) { ww = -ww; xx = xx - ww; }
 860     if (hh < 0) { hh = -hh; yy = yy - hh; }
 861     sa = wxConvertWXangleToMACangle(sa);
 862     r.top    = yy;
 863     r.left   = xx;
 864     r.bottom = yy + hh;
 865     r.right  = xx + ww;
 866     if(m_brush.GetStyle() != wxTRANSPARENT) {
 867         MacInstallBrush();
 868         PaintArc(&r, (short)sa, (short)angle);
 869     }
 870     if(m_pen.GetStyle() != wxTRANSPARENT) {
 871         MacInstallPen();
 872         FrameArc(&r, (short)sa, (short)angle);
 873     }
 874 }
 875
 876 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 877 {
 878     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 879     wxMacFastPortSetter helper(this) ;
 880     if (m_pen.GetStyle() != wxTRANSPARENT)
 881     {
 882         wxCoord xx1 = XLOG2DEVMAC(x);
 883         wxCoord yy1 = YLOG2DEVMAC(y);
 884         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 885         ::SetCPixel( xx1,yy1,&pencolor) ;
 886         CalcBoundingBox(x, y);
 887     }
 888 }
 889
 890 void  wxDC::DoDrawLines(int n, wxPoint points[],
 891                         wxCoord xoffset, wxCoord yoffset)
 892 {
 893     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 894     wxMacFastPortSetter helper(this) ;
 895     if (m_pen.GetStyle() == wxTRANSPARENT)
 896         return;
 897     MacInstallPen() ;
 898     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 899     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 900     wxCoord x1, x2 , y1 , y2 ;
 901     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 902     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 903     ::MoveTo(x1 - offset, y1 - offset );
 904     for (int i = 0; i < n-1; i++)
 905     {
 906         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 907         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 908         ::LineTo( x2 - offset, y2 - offset );
 909     }
 910 }
 911
 912 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 913                           wxCoord xoffset, wxCoord yoffset,
 914                           int fillStyle )
 915 {
 916     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 917     wxMacFastPortSetter helper(this) ;
 918     wxCoord x1, x2 , y1 , y2 ;
 919     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 920         return ;
 921     PolyHandle polygon = OpenPoly();
 922     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 923     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 924     ::MoveTo(x1,y1);
 925     for (int i = 1; i < n; i++)
 926     {
 927         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 928         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 929         ::LineTo(x2, y2);
 930     }
 931     // close the polyline if necessary
 932     if ( x1 != x2 || y1 != y2 )
 933     {
 934         ::LineTo(x1,y1 ) ;
 935     }
 936     ClosePoly();
 937     if (m_brush.GetStyle() != wxTRANSPARENT)
 938     {
 939         MacInstallBrush();
 940         ::PaintPoly( polygon );
 941     }
 942     if (m_pen.GetStyle() != wxTRANSPARENT)
 943     {
 944         MacInstallPen() ;
 945         ::FramePoly( polygon ) ;
 946     }
 947     KillPoly( polygon );
 948 }
 949
 950 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 951 {
 952     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 953     wxMacFastPortSetter helper(this) ;
 954     wxCoord xx = XLOG2DEVMAC(x);
 955     wxCoord yy = YLOG2DEVMAC(y);
 956     wxCoord ww = m_signX * XLOG2DEVREL(width);
 957     wxCoord hh = m_signY * YLOG2DEVREL(height);
 958     // CMB: draw nothing if transformed w or h is 0
 959     if (ww == 0 || hh == 0)
 960         return;
 961     // CMB: handle -ve width and/or height
 962     if (ww < 0)
 963     {
 964         ww = -ww;
 965         xx = xx - ww;
 966     }
 967     if (hh < 0)
 968     {
 969         hh = -hh;
 970         yy = yy - hh;
 971     }
 972     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 973     if (m_brush.GetStyle() != wxTRANSPARENT)
 974     {
 975         MacInstallBrush() ;
 976         ::PaintRect( &rect ) ;
 977     }
 978     if (m_pen.GetStyle() != wxTRANSPARENT)
 979     {
 980         MacInstallPen() ;
 981         ::FrameRect( &rect ) ;
 982     }
 983 }
 984
 985 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 986                                    wxCoord width, wxCoord height,
 987                                    double radius)
 988 {
 989     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 990     wxMacFastPortSetter helper(this) ;
 991     if (radius < 0.0)
 992         radius = - radius * ((width < height) ? width : height);
 993     wxCoord xx = XLOG2DEVMAC(x);
 994     wxCoord yy = YLOG2DEVMAC(y);
 995     wxCoord ww = m_signX * XLOG2DEVREL(width);
 996     wxCoord hh = m_signY * YLOG2DEVREL(height);
 997     // CMB: draw nothing if transformed w or h is 0
 998     if (ww == 0 || hh == 0)
 999         return;
1000     // CMB: handle -ve width and/or height
1001     if (ww < 0)
1002     {
1003         ww = -ww;
1004         xx = xx - ww;
1005     }
1006     if (hh < 0)
1007     {
1008         hh = -hh;
1009         yy = yy - hh;
1010     }
1011     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1012     if (m_brush.GetStyle() != wxTRANSPARENT)
1013     {
1014         MacInstallBrush() ;
1015         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1016     }
1017     if (m_pen.GetStyle() != wxTRANSPARENT)
1018     {
1019         MacInstallPen() ;
1020         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1021     }
1022 }
1023
1024 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1025 {
1026     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1027     wxMacFastPortSetter helper(this) ;
1028     wxCoord xx = XLOG2DEVMAC(x);
1029     wxCoord yy = YLOG2DEVMAC(y);
1030     wxCoord ww = m_signX * XLOG2DEVREL(width);
1031     wxCoord hh = m_signY * YLOG2DEVREL(height);
1032     // CMB: draw nothing if transformed w or h is 0
1033     if (ww == 0 || hh == 0)
1034         return;
1035     // CMB: handle -ve width and/or height
1036     if (ww < 0)
1037     {
1038         ww = -ww;
1039         xx = xx - ww;
1040     }
1041     if (hh < 0)
1042     {
1043         hh = -hh;
1044         yy = yy - hh;
1045     }
1046     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1047     if (m_brush.GetStyle() != wxTRANSPARENT)
1048     {
1049         MacInstallBrush() ;
1050         ::PaintOval( &rect ) ;
1051     }
1052     if (m_pen.GetStyle() != wxTRANSPARENT)
1053     {
1054         MacInstallPen() ;
1055         ::FrameOval( &rect ) ;
1056     }
1057 }
1058
1059 bool  wxDC::CanDrawBitmap(void) const
1060 {
1061     return true ;
1062 }
1063
1064 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1065                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1066                    wxCoord xsrcMask,  wxCoord ysrcMask )
1067 {
1068     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1069     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1070     if ( logical_func == wxNO_OP )
1071         return TRUE ;
1072     if (xsrcMask == -1 && ysrcMask == -1)
1073     {
1074         xsrcMask = xsrc; ysrcMask = ysrc;
1075     }
1076     // correct the parameter in case this dc does not have a mask at all
1077     if ( useMask && !source->m_macMask )
1078         useMask = false ;
1079     Rect srcrect , dstrect ;
1080     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1081     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1082     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1083     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1084     dstrect.top = YLOG2DEVMAC(ydest) ;
1085     dstrect.left = XLOG2DEVMAC(xdest) ;
1086     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1087     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1088     short mode = kUnsupportedMode ;
1089     bool invertDestinationFirst = false ;
1090     switch ( logical_func )
1091     {
1092     case wxAND:        // src AND dst
1093         mode = adMin ; // ok
1094         break ;
1095     case wxAND_INVERT: // (NOT src) AND dst
1096         mode = notSrcOr  ; // ok
1097         break ;
1098     case wxAND_REVERSE:// src AND (NOT dst)
1099         invertDestinationFirst = true ;
1100         mode = srcOr ;
1101         break ;
1102     case wxCLEAR:      // 0
1103         mode = kEmulatedMode ;
1104         break ;
1105     case wxCOPY:       // src
1106         mode = srcCopy ; // ok
1107         break ;
1108     case wxEQUIV:      // (NOT src) XOR dst
1109         mode = srcXor ; // ok
1110         break ;
1111     case wxINVERT:     // NOT dst
1112         mode = kEmulatedMode ; //or hilite ;
1113         break ;
1114     case wxNAND:       // (NOT src) OR (NOT dst)
1115         invertDestinationFirst = true ;
1116         mode = srcBic ;
1117         break ;
1118     case wxNOR:        // (NOT src) AND (NOT dst)
1119         invertDestinationFirst = true ;
1120         mode = notSrcOr ;
1121         break ;
1122     case wxNO_OP:      // dst
1123         mode = kEmulatedMode ; // this has already been handled upon entry
1124         break ;
1125     case wxOR:         // src OR dst
1126         mode = notSrcBic ;
1127         break ;
1128     case wxOR_INVERT:  // (NOT src) OR dst
1129         mode = srcBic ;
1130         break ;
1131     case wxOR_REVERSE: // src OR (NOT dst)
1132         invertDestinationFirst = true ;
1133         mode = notSrcBic ;
1134         break ;
1135     case wxSET:        // 1
1136         mode = kEmulatedMode ;
1137         break ;
1138     case wxSRC_INVERT: // (NOT src)
1139         mode = notSrcCopy ; // ok
1140         break ;
1141     case wxXOR:        // src XOR dst
1142         mode = notSrcXor ; // ok
1143         break ;
1144     default :
1145         break ;
1146     }
1147     if ( mode == kUnsupportedMode )
1148     {
1149         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1150         return FALSE ;
1151     }
1152     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1153     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1154     if ( LockPixels(bmappixels) )
1155     {
1156         wxMacFastPortSetter helper(this) ;
1157         if ( source->GetDepth() == 1 )
1158         {
1159             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1160             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1161         }
1162         else
1163         {
1164             // the modes need this, otherwise we'll end up having really nice colors...
1165             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1166             RGBColor    black = { 0,0,0} ;
1167             RGBForeColor( &black ) ;
1168             RGBBackColor( &white ) ;
1169         }
1170         if ( useMask && source->m_macMask )
1171         {
1172             if ( mode == srcCopy )
1173             {
1174                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1175                 {
1176                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1177                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1178                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1179                         &srcrect, &srcrect , &dstrect ) ;
1180                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1181                 }
1182             }
1183             else
1184             {
1185                 RgnHandle clipRgn = NewRgn() ;
1186                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1187                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1188                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1189                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1190                 if ( mode == kEmulatedMode )
1191                 {
1192                     Pattern pat ;
1193                     ::PenPat(GetQDGlobalsBlack(&pat));
1194                     if ( logical_func == wxSET )
1195                     {
1196                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1197                         ::RGBForeColor( &col  ) ;
1198                         ::PaintRgn( clipRgn ) ;
1199                     }
1200                     else if ( logical_func == wxCLEAR )
1201                     {
1202                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1203                         ::RGBForeColor( &col  ) ;
1204                         ::PaintRgn( clipRgn ) ;
1205                     }
1206                     else if ( logical_func == wxINVERT )
1207                     {
1208                         MacInvertRgn( clipRgn ) ;
1209                     }
1210                     else
1211                     {
1212                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1213                         {
1214                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1215                             {
1216                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1217                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1218                                 if ( PtInRgn( dstPoint , clipRgn ) )
1219                                 {
1220                                     RGBColor srcColor ;
1221                                     RGBColor dstColor ;
1222                                     SetPort( (GrafPtr) sourcePort ) ;
1223                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1224                                     SetPort( (GrafPtr) m_macPort ) ;
1225                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1226                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1227                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1228                                 }
1229                             }
1230                         }
1231                     }
1232                 }
1233                 else
1234                 {
1235                     if ( invertDestinationFirst )
1236                     {
1237                         MacInvertRgn( clipRgn ) ;
1238                     }
1239                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1240                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1241                         &srcrect, &dstrect, mode, clipRgn ) ;
1242                 }
1243                 DisposeRgn( clipRgn ) ;
1244             }
1245         }
1246         else
1247         {
1248             RgnHandle clipRgn = NewRgn() ;
1249             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1250             if ( mode == kEmulatedMode )
1251             {
1252                 Pattern pat ;
1253                 ::PenPat(GetQDGlobalsBlack(&pat));
1254                 if ( logical_func == wxSET )
1255                 {
1256                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1257                     ::RGBForeColor( &col  ) ;
1258                     ::PaintRgn( clipRgn ) ;
1259                 }
1260                 else if ( logical_func == wxCLEAR )
1261                 {
1262                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1263                     ::RGBForeColor( &col  ) ;
1264                     ::PaintRgn( clipRgn ) ;
1265                 }
1266                 else if ( logical_func == wxINVERT )
1267                 {
1268                     MacInvertRgn( clipRgn ) ;
1269                 }
1270                 else
1271                 {
1272                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1273                     {
1274                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1275                         {
1276                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1277                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1278                             {
1279                                 RGBColor srcColor ;
1280                                 RGBColor dstColor ;
1281                                 SetPort( (GrafPtr) sourcePort ) ;
1282                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1283                                 SetPort( (GrafPtr) m_macPort ) ;
1284                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1285                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1286                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1287                             }
1288                         }
1289                     }
1290                 }
1291             }
1292             else
1293             {
1294                 if ( invertDestinationFirst )
1295                 {
1296                     MacInvertRgn( clipRgn ) ;
1297                 }
1298                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1299                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1300                     &srcrect, &dstrect, mode, NULL ) ;
1301             }
1302             DisposeRgn( clipRgn ) ;
1303         }
1304         UnlockPixels( bmappixels ) ;
1305     }
1306     m_macPenInstalled = false ;
1307     m_macBrushInstalled = false ;
1308     m_macFontInstalled = false ;
1309     return TRUE;
1310 }
1311
1312 #ifndef FixedToInt
1313 // as macro in FixMath.h for 10.3
1314 inline Fixed    IntToFixed( int inInt )
1315 {
1316     return (((SInt32) inInt) << 16);
1317 }
1318
1319 inline int    FixedToInt( Fixed inFixed )
1320 {
1321     return (((SInt32) inFixed) >> 16);
1322 }
1323 #endif
1324
1325 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1326                               double angle)
1327 {
1328     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1329
1330     if (angle == 0.0 )
1331     {
1332         DrawText(str, x, y);
1333         return;
1334     }
1335
1336     if ( str.Length() == 0 )
1337         return ;
1338
1339     wxMacFastPortSetter helper(this) ;
1340     MacInstallFont() ;
1341
1342     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1343     if ( 0 )
1344     {
1345         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1346         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * font->m_macFontSize));
1347         m_macAliasWasEnabled = true ;
1348     }
1349     OSStatus status = noErr ;
1350     ATSUTextLayout atsuLayout ;
1351     UniCharCount chars = str.Length() ;
1352 #if wxUSE_UNICODE
1353     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1354         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1355 #else
1356     TECObjectRef ec;
1357     status = TECCreateConverter(&ec,
1358                                 wxApp::s_macDefaultEncodingIsPC
1359                                     ? (int)kTextEncodingWindowsLatin1
1360                                     : (int)kTextEncodingMacRoman,
1361                                 kTextEncodingUnicodeDefault);
1362
1363     wxASSERT_MSG( status == noErr , wxT("couldn't start converter") ) ;
1364     ByteCount byteOutLen ;
1365     ByteCount byteInLen = str.Length() ;
1366     ByteCount byteBufferLen = byteInLen *2 ;
1367     char* buf = new char[byteBufferLen] ;
1368     status = TECConvertText(ec, (ConstTextPtr)str.c_str() , byteInLen, &byteInLen,
1369         (TextPtr)buf, byteBufferLen, &byteOutLen);
1370     wxASSERT_MSG( status == noErr , wxT("couldn't convert text") ) ;
1371     status = TECDisposeConverter(ec);
1372     wxASSERT_MSG( status == noErr , wxT("couldn't dispose converter") ) ;
1373     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1374         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1375 #endif
1376     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1377     int iAngle = int( angle );
1378     int drawX = XLOG2DEVMAC(x) ;
1379     int drawY = YLOG2DEVMAC(y) ;
1380
1381     ATSUTextMeasurement textBefore ;
1382     ATSUTextMeasurement textAfter ;
1383     ATSUTextMeasurement ascent ;
1384     ATSUTextMeasurement descent ;
1385
1386
1387     if ( abs(iAngle) > 0 )
1388     {
1389         Fixed atsuAngle = IntToFixed( iAngle ) ;
1390         ATSUAttributeTag atsuTags[] =
1391         {
1392             kATSULineRotationTag ,
1393         } ;
1394         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1395         {
1396             sizeof( Fixed ) ,
1397         } ;
1398         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1399         {
1400             &atsuAngle ,
1401         } ;
1402         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1403             atsuTags, atsuSizes, atsuValues ) ;
1404     }
1405     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1406         &textBefore , &textAfter, &ascent , &descent );
1407
1408     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1409     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1410     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1411         IntToFixed(drawX) , IntToFixed(drawY) );
1412     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1413     Rect rect ;
1414     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1415         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1416     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1417     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1418     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1419     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1420     ::ATSUDisposeTextLayout(atsuLayout);
1421 #if wxUSE_UNICODE
1422 #else
1423     delete[] buf ;
1424 #endif
1425 }
1426
1427 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1428 {
1429     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1430
1431     wxMacFastPortSetter helper(this) ;
1432     long xx = XLOG2DEVMAC(x);
1433     long yy = YLOG2DEVMAC(y);
1434 #if TARGET_CARBON
1435     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1436     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1437         useDrawThemeText = false ;
1438 #endif
1439     MacInstallFont() ;
1440     if ( 0 )
1441     {
1442         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1443         SetAntiAliasedTextEnabled(true, 8);
1444         m_macAliasWasEnabled = true ;
1445     }
1446     FontInfo fi ;
1447     ::GetFontInfo( &fi ) ;
1448 #if TARGET_CARBON
1449     if ( !useDrawThemeText )
1450 #endif
1451         yy += fi.ascent ;
1452     ::MoveTo( xx , yy );
1453     if (  m_backgroundMode == wxTRANSPARENT )
1454     {
1455         ::TextMode( srcOr) ;
1456     }
1457     else
1458     {
1459         ::TextMode( srcCopy ) ;
1460     }
1461     int length = strtext.Length() ;
1462
1463     int laststop = 0 ;
1464     int i = 0 ;
1465     int line = 0 ;
1466     {
1467         while( i < length )
1468         {
1469             if( strtext[i] == 13 || strtext[i] == 10)
1470             {
1471                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1472 #if TARGET_CARBON
1473                 if ( useDrawThemeText )
1474                 {
1475                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1476                     wxMacCFStringHolder mString( linetext ) ;
1477                     if ( m_backgroundMode != wxTRANSPARENT )
1478                     {
1479                         Point bounds={0,0} ;
1480                         Rect background = frame ;
1481                         SInt16 baseline ;
1482                         ::GetThemeTextDimensions( mString,
1483                             kThemeCurrentPortFont,
1484                             kThemeStateActive,
1485                             false,
1486                             &bounds,
1487                             &baseline );
1488                         background.right = background.left + bounds.h ;
1489                         background.bottom = background.top + bounds.v ;
1490                         ::EraseRect( &background ) ;
1491                     }
1492                     ::DrawThemeTextBox( mString,
1493                         kThemeCurrentPortFont,
1494                         kThemeStateActive,
1495                         false,
1496                         &frame,
1497                         teJustLeft,
1498                         nil );
1499                     line++ ;
1500                 }
1501                 else
1502 #endif
1503                 {
1504                     wxCharBuffer text = wxMacStringToCString(linetext) ;
1505                     ::DrawText( text , 0 , strlen(text) ) ;
1506                     line++ ;
1507                     ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1508                 }
1509                 laststop = i+1 ;
1510             }
1511             i++ ;
1512         }
1513         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1514 #if TARGET_CARBON
1515         if ( useDrawThemeText )
1516         {
1517             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1518             wxMacCFStringHolder mString( linetext ) ;
1519
1520             if ( m_backgroundMode != wxTRANSPARENT )
1521             {
1522                 Point bounds={0,0} ;
1523                 Rect background = frame ;
1524                 SInt16 baseline ;
1525                 ::GetThemeTextDimensions( mString,
1526                     kThemeCurrentPortFont,
1527                     kThemeStateActive,
1528                     false,
1529                     &bounds,
1530                     &baseline );
1531                 background.right = background.left + bounds.h ;
1532                 background.bottom = background.top + bounds.v ;
1533                 ::EraseRect( &background ) ;
1534             }
1535             ::DrawThemeTextBox( mString,
1536                 kThemeCurrentPortFont,
1537                 kThemeStateActive,
1538                 false,
1539                 &frame,
1540                 teJustLeft,
1541                 nil );
1542         }
1543         else
1544 #endif
1545         {
1546             wxCharBuffer text = wxMacStringToCString(linetext) ;
1547             ::DrawText( text , 0 , strlen(text) ) ;
1548          }
1549     }
1550     ::TextMode( srcOr ) ;
1551 }
1552
1553 bool  wxDC::CanGetTextExtent() const
1554 {
1555     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1556     return true ;
1557 }
1558
1559 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1560                             wxCoord *descent, wxCoord *externalLeading ,
1561                             wxFont *theFont ) const
1562 {
1563     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1564     wxMacFastPortSetter helper(this) ;
1565     wxFont formerFont = m_font ;
1566     if ( theFont )
1567     {
1568         // work around the constness
1569         *((wxFont*)(&m_font)) = *theFont ;
1570     }
1571     MacInstallFont() ;
1572     FontInfo fi ;
1573     ::GetFontInfo( &fi ) ;
1574 #if TARGET_CARBON
1575     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1576     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1577         useGetThemeText = false ;
1578 #endif
1579     if ( height )
1580         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1581     if ( descent )
1582         *descent =YDEV2LOGREL( fi.descent );
1583     if ( externalLeading )
1584         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1585     int length = strtext.Length() ;
1586     /*
1587     const char *text = NULL ;
1588     wxString macText ;
1589     if ( wxApp::s_macDefaultEncodingIsPC )
1590     {
1591         macText = wxMacMakeMacStringFromPC( string ) ;
1592         text = macText ;
1593         length = macText.Length() ;
1594     }
1595     else
1596     {
1597         text = string ;
1598         length = string.Length() ;
1599     }
1600     */
1601     int laststop = 0 ;
1602     int i = 0 ;
1603     int curwidth = 0 ;
1604     if ( width )
1605     {
1606         *width = 0 ;
1607         while( i < length )
1608         {
1609             if( strtext[i] == 13 || strtext[i] == 10)
1610             {
1611                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1612                 if ( height )
1613                     *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1614 #if TARGET_CARBON
1615                 if ( useGetThemeText )
1616                 {
1617                     Point bounds={0,0} ;
1618                     SInt16 baseline ;
1619                     wxMacCFStringHolder mString( linetext ) ;
1620                     ::GetThemeTextDimensions( mString,
1621                         kThemeCurrentPortFont,
1622                         kThemeStateActive,
1623                         false,
1624                         &bounds,
1625                         &baseline );
1626                     curwidth = bounds.h ;
1627                 }
1628                 else
1629 #endif
1630                 {
1631                     wxCharBuffer text = wxMacStringToCString(linetext) ;
1632                     curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1633                 }
1634                 if ( curwidth > *width )
1635                     *width = XDEV2LOGREL( curwidth ) ;
1636                 laststop = i+1 ;
1637             }
1638             i++ ;
1639         }
1640
1641         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1642 #if TARGET_CARBON
1643         if ( useGetThemeText )
1644         {
1645             Point bounds={0,0} ;
1646             SInt16 baseline ;
1647             wxMacCFStringHolder mString( linetext ) ;
1648             ::GetThemeTextDimensions( mString,
1649                 kThemeCurrentPortFont,
1650                 kThemeStateActive,
1651                 false,
1652                 &bounds,
1653                 &baseline );
1654             curwidth = bounds.h ;
1655         }
1656         else
1657 #endif
1658         {
1659             wxCharBuffer text = wxMacStringToCString(linetext) ;
1660             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1661         }
1662         if ( curwidth > *width )
1663             *width = XDEV2LOGREL( curwidth ) ;
1664     }
1665     if ( theFont )
1666     {
1667         // work around the constness
1668         *((wxFont*)(&m_font)) = formerFont ;
1669         m_macFontInstalled = false ;
1670     }
1671 }
1672
1673 wxCoord   wxDC::GetCharWidth(void) const
1674 {
1675     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1676     wxMacFastPortSetter helper(this) ;
1677     MacInstallFont() ;
1678     int width = 0 ;
1679 #if TARGET_CARBON
1680     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1681     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1682         useGetThemeText = false ;
1683 #endif
1684     char text[] = "H" ;
1685 #if TARGET_CARBON
1686     if ( useGetThemeText )
1687     {
1688         Point bounds={0,0} ;
1689         SInt16 baseline ;
1690         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1691         ::GetThemeTextDimensions( mString,
1692             kThemeCurrentPortFont,
1693             kThemeStateActive,
1694             false,
1695             &bounds,
1696             &baseline );
1697         CFRelease( mString ) ;
1698         width = bounds.h ;
1699     }
1700     else
1701 #endif
1702     {
1703         width = ::TextWidth( text , 0 , 1 ) ;
1704     }
1705     return YDEV2LOGREL(width) ;
1706 }
1707
1708 wxCoord   wxDC::GetCharHeight(void) const
1709 {
1710     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1711     wxMacFastPortSetter helper(this) ;
1712     MacInstallFont() ;
1713     FontInfo fi ;
1714     ::GetFontInfo( &fi ) ;
1715     return YDEV2LOGREL( fi.descent + fi.ascent );
1716 }
1717
1718 void  wxDC::Clear(void)
1719 {
1720     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1721     wxMacFastPortSetter helper(this) ;
1722     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1723     if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1724     {
1725         ::PenNormal() ;
1726         //MacInstallBrush() ;
1727         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1728         ::EraseRect( &rect ) ;
1729     }
1730 }
1731
1732 void wxDC::MacInstallFont() const
1733 {
1734     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1735     //    if ( m_macFontInstalled )
1736     //        return ;
1737     Pattern blackColor ;
1738     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1739     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1740     if ( font )
1741     {
1742         ::TextFont( font->m_macFontNum ) ;
1743         ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1744         ::TextFace( font->m_macFontStyle ) ;
1745         m_macFontInstalled = true ;
1746         m_macBrushInstalled = false ;
1747         m_macPenInstalled = false ;
1748         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1749         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1750         ::RGBForeColor( &forecolor );
1751         ::RGBBackColor( &backcolor );
1752     }
1753     else
1754     {
1755         FontFamilyID fontId ;
1756         Str255 fontName ;
1757         SInt16 fontSize ;
1758         Style fontStyle ;
1759         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1760         GetFNum( fontName, &fontId );
1761         ::TextFont( fontId ) ;
1762         ::TextSize( short(m_scaleY * fontSize) ) ;
1763         ::TextFace( fontStyle ) ;
1764         // todo reset after spacing changes - or store the current spacing somewhere
1765         m_macFontInstalled = true ;
1766         m_macBrushInstalled = false ;
1767         m_macPenInstalled = false ;
1768         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1769         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1770         ::RGBForeColor( &forecolor );
1771         ::RGBBackColor( &backcolor );
1772     }
1773     short mode = patCopy ;
1774     // todo :
1775     switch( m_logicalFunction )
1776     {
1777     case wxCOPY:       // src
1778         mode = patCopy ;
1779         break ;
1780     case wxINVERT:     // NOT dst
1781         ::PenPat(GetQDGlobalsBlack(&blackColor));
1782         mode = patXor ;
1783         break ;
1784     case wxXOR:        // src XOR dst
1785         mode = patXor ;
1786         break ;
1787     case wxOR_REVERSE: // src OR (NOT dst)
1788         mode = notPatOr ;
1789         break ;
1790     case wxSRC_INVERT: // (NOT src)
1791         mode = notPatCopy ;
1792         break ;
1793     case wxAND: // src AND dst
1794         mode = adMin ;
1795         break ;
1796         // unsupported TODO
1797     case wxCLEAR:      // 0
1798     case wxAND_REVERSE:// src AND (NOT dst)
1799     case wxAND_INVERT: // (NOT src) AND dst
1800     case wxNO_OP:      // dst
1801     case wxNOR:        // (NOT src) AND (NOT dst)
1802     case wxEQUIV:      // (NOT src) XOR dst
1803     case wxOR_INVERT:  // (NOT src) OR dst
1804     case wxNAND:       // (NOT src) OR (NOT dst)
1805     case wxOR:         // src OR dst
1806     case wxSET:        // 1
1807         //        case wxSRC_OR:     // source _bitmap_ OR destination
1808         //        case wxSRC_AND:     // source _bitmap_ AND destination
1809         break ;
1810     }
1811     ::PenMode( mode ) ;
1812     OSStatus status = noErr ;
1813     Fixed atsuSize = IntToFixed( int(m_scaleY * font->m_macFontSize) ) ;
1814     Style qdStyle = font->m_macFontStyle ;
1815     ATSUFontID    atsuFont = font->m_macATSUFontID ;
1816     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1817     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1818     ATSUAttributeTag atsuTags[] =
1819     {
1820         kATSUFontTag ,
1821             kATSUSizeTag ,
1822             //        kATSUColorTag ,
1823             //        kATSUBaselineClassTag ,
1824             kATSUVerticalCharacterTag,
1825             kATSUQDBoldfaceTag ,
1826             kATSUQDItalicTag ,
1827             kATSUQDUnderlineTag ,
1828             kATSUQDCondensedTag ,
1829             kATSUQDExtendedTag ,
1830     } ;
1831     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1832     {
1833         sizeof( ATSUFontID ) ,
1834             sizeof( Fixed ) ,
1835             //        sizeof( RGBColor ) ,
1836             //        sizeof( BslnBaselineClass ) ,
1837             sizeof( ATSUVerticalCharacterType),
1838             sizeof( Boolean ) ,
1839             sizeof( Boolean ) ,
1840             sizeof( Boolean ) ,
1841             sizeof( Boolean ) ,
1842             sizeof( Boolean ) ,
1843     } ;
1844     Boolean kTrue = true ;
1845     Boolean kFalse = false ;
1846     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1847     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1848     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1849     {
1850         &atsuFont ,
1851             &atsuSize ,
1852             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1853             //        &kBaselineDefault ,
1854             &kHorizontal,
1855             (qdStyle & bold) ? &kTrue : &kFalse ,
1856             (qdStyle & italic) ? &kTrue : &kFalse ,
1857             (qdStyle & underline) ? &kTrue : &kFalse ,
1858             (qdStyle & condense) ? &kTrue : &kFalse ,
1859             (qdStyle & extend) ? &kTrue : &kFalse ,
1860     } ;
1861     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1862         atsuTags, atsuSizes, atsuValues);
1863     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1864 }
1865
1866 Pattern gPatterns[] =
1867 {   // hatch patterns
1868     { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } ,
1869     { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } ,
1870     { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } ,
1871     { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } ,
1872     { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } ,
1873     { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } ,
1874     { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } ,
1875     // dash patterns
1876     { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } , // DOT
1877     { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } , // LONG_DASH
1878     { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } , // SHORT_DASH
1879     { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } , // DOT_DASH
1880 } ;
1881
1882 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1883 {
1884     int index = 0;  // solid pattern by default
1885     switch(penStyle)
1886     {
1887         // hatches
1888         case wxBDIAGONAL_HATCH:     index = 1; break;
1889         case wxFDIAGONAL_HATCH:     index = 2; break;
1890         case wxCROSS_HATCH:         index = 3; break;
1891         case wxHORIZONTAL_HATCH:    index = 4; break;
1892         case wxVERTICAL_HATCH:      index = 5; break;
1893         case wxCROSSDIAG_HATCH:     index = 6; break;
1894         // dashes
1895         case wxDOT:                 index = 7; break;
1896         case wxLONG_DASH:           index = 8; break;
1897         case wxSHORT_DASH:          index = 9; break;
1898         case wxDOT_DASH:            index = 10; break;
1899     }
1900     *pattern = gPatterns[index];
1901 }
1902
1903 void wxDC::MacInstallPen() const
1904 {
1905     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1906     Pattern     blackColor;
1907     //    if ( m_macPenInstalled )
1908     //        return ;
1909     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1910     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1911     ::RGBForeColor( &forecolor );
1912     ::RGBBackColor( &backcolor );
1913     ::PenNormal() ;
1914     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1915     // null means only one pixel, at whatever resolution
1916     if ( penWidth == 0 )
1917         penWidth = 1 ;
1918     ::PenSize(penWidth, penWidth);
1919
1920     int penStyle = m_pen.GetStyle();
1921     Pattern pat;
1922     if (penStyle == wxUSER_DASH)
1923     {
1924         // FIXME: there should be exactly 8 items in the dash
1925         wxDash* dash ;
1926         int number = m_pen.GetDashes(&dash) ;
1927         int index = 0;
1928         for ( int i = 0 ; i < 8 ; ++i )
1929         {
1930             pat.pat[i] = dash[index] ;
1931             if (index < number - 1)
1932                 index++;
1933         }
1934     }
1935     else
1936     {
1937         wxMacGetPattern(penStyle, &pat);
1938     }
1939     ::PenPat(&pat);
1940
1941     short mode = patCopy ;
1942     // todo :
1943     switch( m_logicalFunction )
1944     {
1945     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1946         mode = patOr ;
1947         break ;
1948     case wxINVERT:     // NOT dst
1949         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1950         mode = patXor ;
1951         break ;
1952     case wxXOR:        // src XOR dst
1953         mode = patXor ;
1954         break ;
1955     case wxOR_REVERSE: // src OR (NOT dst)
1956         mode = notPatOr ;
1957         break ;
1958     case wxSRC_INVERT: // (NOT src)
1959         mode = notPatCopy ;
1960         break ;
1961     case wxAND: // src AND dst
1962         mode = adMin ;
1963         break ;
1964         // unsupported TODO
1965     case wxCLEAR:      // 0
1966     case wxAND_REVERSE:// src AND (NOT dst)
1967     case wxAND_INVERT: // (NOT src) AND dst
1968     case wxNO_OP:      // dst
1969     case wxNOR:        // (NOT src) AND (NOT dst)
1970     case wxEQUIV:      // (NOT src) XOR dst
1971     case wxOR_INVERT:  // (NOT src) OR dst
1972     case wxNAND:       // (NOT src) OR (NOT dst)
1973     case wxOR:         // src OR dst
1974     case wxSET:        // 1
1975         //        case wxSRC_OR:     // source _bitmap_ OR destination
1976         //        case wxSRC_AND:     // source _bitmap_ AND destination
1977         break ;
1978     }
1979     ::PenMode( mode ) ;
1980     m_macPenInstalled = true ;
1981     m_macBrushInstalled = false ;
1982     m_macFontInstalled = false ;
1983 }
1984
1985 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1986 {
1987     Pattern whiteColor ;
1988     switch( background.MacGetBrushKind() )
1989     {
1990         case kwxMacBrushTheme :
1991         {
1992             ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1993             break ;
1994         }
1995         case kwxMacBrushThemeBackground :
1996         {
1997             Rect extent ;
1998             ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
1999             ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2000             break ;
2001         }
2002         case kwxMacBrushColour :
2003         {
2004             ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2005             int brushStyle = background.GetStyle();
2006             if (brushStyle == wxSOLID)
2007                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2008             else if (IS_HATCH(brushStyle))
2009             {
2010                 Pattern pat ;
2011                 wxMacGetPattern(brushStyle, &pat);
2012                 ::BackPat(&pat);
2013             }
2014             else
2015             {
2016                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2017             }
2018             break ;
2019         }
2020     }
2021 }
2022
2023 void wxDC::MacInstallBrush() const
2024 {
2025     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2026     Pattern     blackColor ;
2027     //    if ( m_macBrushInstalled )
2028     //        return ;
2029     // foreground
2030     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2031     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2032     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2033     int brushStyle = m_brush.GetStyle();
2034     if (brushStyle == wxSOLID)
2035     {
2036         ::PenPat(GetQDGlobalsBlack(&blackColor));
2037     }
2038     else if (IS_HATCH(brushStyle))
2039     {
2040         Pattern pat ;
2041         wxMacGetPattern(brushStyle, &pat);
2042         ::PenPat(&pat);
2043     }
2044     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2045     {
2046         // we force this in order to be compliant with wxMSW
2047         backgroundTransparent = false ;
2048         // for these the text fore (and back for MASK_OPAQUE) colors are used
2049         wxBitmap* bitmap = m_brush.GetStipple() ;
2050         int width = bitmap->GetWidth() ;
2051         int height = bitmap->GetHeight() ;
2052         GWorldPtr gw = NULL ;
2053         if ( m_brush.GetStyle() == wxSTIPPLE )
2054             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2055         else
2056             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2057         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2058         LockPixels( gwpixmaphandle ) ;
2059         bool isMonochrome = !IsPortColor( gw ) ;
2060         if ( !isMonochrome )
2061         {
2062             if ( (**gwpixmaphandle).pixelSize == 1 )
2063                 isMonochrome = true ;
2064         }
2065         if ( isMonochrome && width == 8 && height == 8 )
2066         {
2067             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2068             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2069             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2070             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2071             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2072             Pattern pat ;
2073             for ( int i = 0 ; i < 8 ; ++i )
2074             {
2075                 pat.pat[i] = gwbits[i*alignment+0] ;
2076             }
2077             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2078             ::PenPat( &pat ) ;
2079         }
2080         else
2081         {
2082             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2083             // caching scheme before putting this into production
2084             Handle      image;
2085             long        imageSize;
2086             PixPatHandle pixpat = NewPixPat() ;
2087             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2088             imageSize = GetPixRowBytes((**pixpat).patMap) *
2089                 ((**(**pixpat).patMap).bounds.bottom -
2090                 (**(**pixpat).patMap).bounds.top);
2091             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2092             (**pixpat).patData = image;
2093             if ( isMonochrome )
2094             {
2095                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2096                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2097                 if ( ctspec[0].rgb.red == 0x0000 )
2098                 {
2099                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2100                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2101                 }
2102                 else
2103                 {
2104                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2105                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2106                 }
2107                 ::CTabChanged( ctable ) ;
2108             }
2109             ::PenPixPat(pixpat);
2110             m_macForegroundPixMap = pixpat ;
2111         }
2112         UnlockPixels( gwpixmaphandle ) ;
2113     }
2114     else
2115     {
2116         ::PenPat(GetQDGlobalsBlack(&blackColor));
2117     }
2118     short mode = patCopy ;
2119     switch( m_logicalFunction )
2120     {
2121     case wxCOPY:       // src
2122         if ( backgroundTransparent )
2123             mode = patOr ;
2124         else
2125             mode = patCopy ;
2126         break ;
2127     case wxINVERT:     // NOT dst
2128         if ( !backgroundTransparent )
2129         {
2130             ::PenPat(GetQDGlobalsBlack(&blackColor));
2131         }
2132         mode = patXor ;
2133         break ;
2134     case wxXOR:        // src XOR dst
2135         mode = patXor ;
2136         break ;
2137     case wxOR_REVERSE: // src OR (NOT dst)
2138         mode = notPatOr ;
2139         break ;
2140     case wxSRC_INVERT: // (NOT src)
2141         mode = notPatCopy ;
2142         break ;
2143     case wxAND: // src AND dst
2144         mode = adMin ;
2145         break ;
2146         // unsupported TODO
2147     case wxCLEAR:      // 0
2148     case wxAND_REVERSE:// src AND (NOT dst)
2149     case wxAND_INVERT: // (NOT src) AND dst
2150     case wxNO_OP:      // dst
2151     case wxNOR:        // (NOT src) AND (NOT dst)
2152     case wxEQUIV:      // (NOT src) XOR dst
2153     case wxOR_INVERT:  // (NOT src) OR dst
2154     case wxNAND:       // (NOT src) OR (NOT dst)
2155     case wxOR:         // src OR dst
2156     case wxSET:        // 1
2157         //        case wxSRC_OR:     // source _bitmap_ OR destination
2158         //        case wxSRC_AND:     // source _bitmap_ AND destination
2159         break ;
2160     }
2161     ::PenMode( mode ) ;
2162     m_macBrushInstalled = true ;
2163     m_macPenInstalled = false ;
2164     m_macFontInstalled = false ;
2165 }
2166
2167 // ---------------------------------------------------------------------------
2168 // coordinates transformations
2169 // ---------------------------------------------------------------------------
2170
2171 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2172 {
2173     return ((wxDC *)this)->XDEV2LOG(x);
2174 }
2175
2176 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2177 {
2178     return ((wxDC *)this)->YDEV2LOG(y);
2179 }
2180
2181 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2182 {
2183     return ((wxDC *)this)->XDEV2LOGREL(x);
2184 }
2185
2186 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2187 {
2188     return ((wxDC *)this)->YDEV2LOGREL(y);
2189 }
2190
2191 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2192 {
2193     return ((wxDC *)this)->XLOG2DEV(x);
2194 }
2195
2196 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2197 {
2198     return ((wxDC *)this)->YLOG2DEV(y);
2199 }
2200
2201 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2202 {
2203     return ((wxDC *)this)->XLOG2DEVREL(x);
2204 }
2205
2206 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2207 {
2208     return ((wxDC *)this)->YLOG2DEVREL(y);
2209 }