src/mac/carbon/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/dc.h"
  17 #include "wx/app.h"
  18 #include "wx/mac/uma.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/dcprint.h"
  21 #include "wx/region.h"
  22 #include "wx/image.h"
  23 #include "wx/log.h"
  24
  25 #if __MSL__ >= 0x6000
  26 #include "math.h"
  27 using namespace std ;
  28 #endif
  29
  30 #include "wx/mac/private.h"
  31 #include "ATSUnicode.h"
  32 #include "TextCommon.h"
  33 #include "TextEncodingConverter.h"
  34 #include "FixMath.h"
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  37 #endif
  38
  39 //-----------------------------------------------------------------------------
  40 // constants
  41 //-----------------------------------------------------------------------------
  42
  43 #define mm2inches        0.0393700787402
  44 #define inches2mm        25.4
  45 #define mm2twips        56.6929133859
  46 #define twips2mm        0.0176388888889
  47 #define mm2pt            2.83464566929
  48 #define pt2mm            0.352777777778
  49 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  50 #ifndef M_PI
  51 const double M_PI = 3.14159265358979 ;
  52 #endif
  53 #endif
  54 const double RAD2DEG  = 180.0 / M_PI;
  55 const short kEmulatedMode = -1 ;
  56 const short kUnsupportedMode = -2 ;
  57
  58 extern TECObjectRef s_TECNativeCToUnicode ;
  59
  60 // set to 0 if problems arise
  61 #define wxMAC_EXPERIMENTAL_DC 1
  62
  63 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  64     m_ph( (GrafPtr) dc->m_macPort )
  65 {
  66     wxASSERT( dc->Ok() ) ;
  67     m_dc = dc ;
  68     dc->MacSetupPort(&m_ph) ;
  69 }
  70 wxMacPortSetter::~wxMacPortSetter()
  71 {
  72     m_dc->MacCleanupPort(&m_ph) ;
  73 }
  74
  75 #if wxMAC_EXPERIMENTAL_DC
  76 class wxMacFastPortSetter
  77 {
  78 public :
  79     wxMacFastPortSetter( const wxDC *dc )
  80     {
  81             wxASSERT( dc->Ok() ) ;
  82             GetPort( &m_oldPort ) ;
  83             SetPort( (GrafPtr) dc->m_macPort ) ;
  84             m_clipRgn = NewRgn() ;
  85             GetClip( m_clipRgn ) ;
  86             m_dc = dc ;
  87             dc->MacSetupPort( NULL ) ;
  88     }
  89     ~wxMacFastPortSetter()
  90     {
  91         SetPort( (GrafPtr) m_dc->m_macPort ) ;
  92         SetClip( m_clipRgn ) ;
  93             SetPort( m_oldPort ) ;
  94             m_dc->MacCleanupPort( NULL ) ;
  95             DisposeRgn( m_clipRgn ) ;
  96     }
  97 private :
  98     RgnHandle m_clipRgn ;
  99     GrafPtr m_oldPort ;
 100     const wxDC*   m_dc ;
 101 } ;
 102
 103 #else
 104 typedef wxMacPortSetter wxMacFastPortSetter ;
 105 #endif
 106
 107 #if 0
 108
 109 // start moving to a dual implementation for QD and CGContextRef
 110
 111 class wxMacGraphicsContext
 112 {
 113 public :
 114     void DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) = 0 ;
 115     void SetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) = 0 ;
 116     void SetClippingRegion( const wxRegion &region  ) = 0 ;
 117     void DestroyClippingRegion() = 0 ;
 118     void SetTextForeground( const wxColour &col ) = 0 ;
 119     void SetTextBackground( const wxColour &col ) = 0 ;
 120     void SetLogicalScale( double x , double y ) = 0 ;
 121     void SetUserScale( double x , double y ) = 0;
 122 } ;
 123
 124 class wxMacQuickDrawContext : public wxMacGraphicsContext
 125 {
 126 public :
 127 } ;
 128
 129 #endif
 130
 131 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
 132 {
 133     m_formerClip = NewRgn() ;
 134     m_newClip = NewRgn() ;
 135     GetClip( m_formerClip ) ;
 136
 137     if ( win )
 138     {
 139 #if 0
 140         // this clipping area was set to the parent window's drawing area, lead to problems
 141         // with MacOSX controls drawing outside their wx' rectangle
 142         RgnHandle insidergn = NewRgn() ;
 143         int x = 0 , y = 0;
 144         wxWindow *parent = win->GetParent() ;
 145         parent->MacWindowToRootWindow( &x,&y ) ;
 146         wxSize size = parent->GetSize() ;
 147         SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
 148             size.x - parent->MacGetRightBorderSize(),
 149             size.y - parent->MacGetBottomBorderSize()) ;
 150         CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
 151         SectRgn( m_newClip , insidergn , m_newClip ) ;
 152         OffsetRgn( m_newClip , x , y ) ;
 153         SetClip( m_newClip ) ;
 154         DisposeRgn( insidergn ) ;
 155 #else
 156         int x = 0 , y = 0;
 157         win->MacWindowToRootWindow( &x,&y ) ;
 158         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion().GetWXHRGN() , m_newClip ) ;
 159         OffsetRgn( m_newClip , x , y ) ;
 160         SetClip( m_newClip ) ;
 161 #endif
 162     }
 163 }
 164
 165 wxMacWindowClipper::~wxMacWindowClipper()
 166 {
 167     SetClip( m_formerClip ) ;
 168     DisposeRgn( m_newClip ) ;
 169     DisposeRgn( m_formerClip ) ;
 170 }
 171
 172 //-----------------------------------------------------------------------------
 173 // Local functions
 174 //-----------------------------------------------------------------------------
 175 static inline double dmin(double a, double b) { return a < b ? a : b; }
 176 static inline double dmax(double a, double b) { return a > b ? a : b; }
 177 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 178
 179 //-----------------------------------------------------------------------------
 180 // wxDC
 181 //-----------------------------------------------------------------------------
 182 // this function emulates all wx colour manipulations, used to verify the implementation
 183 // by setting the mode in the blitting functions to kEmulatedMode
 184 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 185
 186 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 187 {
 188     switch ( logical_func )
 189     {
 190         case wxAND:        // src AND dst
 191             dstColor.red = dstColor.red & srcColor.red ;
 192             dstColor.green = dstColor.green & srcColor.green ;
 193             dstColor.blue = dstColor.blue & srcColor.blue ;
 194             break ;
 195         case wxAND_INVERT: // (NOT src) AND dst
 196             dstColor.red = dstColor.red & ~srcColor.red ;
 197             dstColor.green = dstColor.green & ~srcColor.green ;
 198             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 199             break ;
 200         case wxAND_REVERSE:// src AND (NOT dst)
 201             dstColor.red = ~dstColor.red & srcColor.red ;
 202             dstColor.green = ~dstColor.green & srcColor.green ;
 203             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 204             break ;
 205         case wxCLEAR:      // 0
 206             dstColor.red = 0 ;
 207             dstColor.green = 0 ;
 208             dstColor.blue = 0 ;
 209             break ;
 210         case wxCOPY:       // src
 211             dstColor.red = srcColor.red ;
 212             dstColor.green = srcColor.green ;
 213             dstColor.blue = srcColor.blue ;
 214             break ;
 215         case wxEQUIV:      // (NOT src) XOR 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 wxINVERT:     // NOT dst
 221             dstColor.red = ~dstColor.red ;
 222             dstColor.green = ~dstColor.green ;
 223             dstColor.blue = ~dstColor.blue ;
 224             break ;
 225         case wxNAND:       // (NOT src) OR (NOT dst)
 226             dstColor.red = ~dstColor.red | ~srcColor.red ;
 227             dstColor.green = ~dstColor.green | ~srcColor.green ;
 228             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 229             break ;
 230         case wxNOR:        // (NOT src) AND (NOT 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         case wxNO_OP:      // dst
 236             break ;
 237         case wxOR:         // src OR dst
 238             dstColor.red = dstColor.red | srcColor.red ;
 239             dstColor.green = dstColor.green | srcColor.green ;
 240             dstColor.blue = dstColor.blue | srcColor.blue ;
 241             break ;
 242         case wxOR_INVERT:  // (NOT src) OR dst
 243             dstColor.red = dstColor.red | ~srcColor.red ;
 244             dstColor.green = dstColor.green | ~srcColor.green ;
 245             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 246             break ;
 247         case wxOR_REVERSE: // src OR (NOT dst)
 248             dstColor.red = ~dstColor.red | srcColor.red ;
 249             dstColor.green = ~dstColor.green | srcColor.green ;
 250             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 251             break ;
 252         case wxSET:        // 1
 253             dstColor.red = 0xFFFF ;
 254             dstColor.green = 0xFFFF ;
 255             dstColor.blue = 0xFFFF ;
 256             break ;
 257         case wxSRC_INVERT: // (NOT src)
 258             dstColor.red = ~srcColor.red ;
 259             dstColor.green = ~srcColor.green ;
 260             dstColor.blue = ~srcColor.blue ;
 261             break ;
 262         case wxXOR:        // src XOR dst
 263             dstColor.red = dstColor.red ^ srcColor.red ;
 264             dstColor.green = dstColor.green ^ srcColor.green ;
 265             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 266             break ;
 267     }
 268 }
 269
 270 wxDC::wxDC()
 271 {
 272     m_ok = FALSE;
 273     m_colour = TRUE;
 274     m_mm_to_pix_x = mm2pt;
 275     m_mm_to_pix_y = mm2pt;
 276     m_internalDeviceOriginX = 0;
 277     m_internalDeviceOriginY = 0;
 278     m_externalDeviceOriginX = 0;
 279     m_externalDeviceOriginY = 0;
 280     m_logicalScaleX = 1.0;
 281     m_logicalScaleY = 1.0;
 282     m_userScaleX = 1.0;
 283     m_userScaleY = 1.0;
 284     m_scaleX = 1.0;
 285     m_scaleY = 1.0;
 286     m_needComputeScaleX = FALSE;
 287     m_needComputeScaleY = FALSE;
 288     m_macPort = NULL ;
 289     m_macMask = NULL ;
 290     m_ok = FALSE ;
 291     m_macFontInstalled = false ;
 292     m_macBrushInstalled = false ;
 293     m_macPenInstalled = false ;
 294     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 295     m_macBoundaryClipRgn = NewRgn() ;
 296     m_macCurrentClipRgn = NewRgn() ;
 297     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 298     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 299     m_pen = *wxBLACK_PEN;
 300     m_font = *wxNORMAL_FONT;
 301     m_brush = *wxWHITE_BRUSH;
 302 #ifdef __WXDEBUG__
 303     // needed to debug possible errors with two active drawing methods at the same time on
 304     // the same DC
 305     m_macCurrentPortStateHelper = NULL ;
 306 #endif
 307     m_macATSUIStyle = NULL ;
 308     m_macAliasWasEnabled = false;
 309     m_macForegroundPixMap = NULL ;
 310     m_macBackgroundPixMap = NULL ;
 311 }
 312
 313 wxDC::~wxDC(void)
 314 {
 315     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 316     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 317 }
 318
 319 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 320 {
 321 #ifdef __WXDEBUG__
 322     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 323     m_macCurrentPortStateHelper = help ;
 324 #endif
 325     SetClip( (RgnHandle) m_macCurrentClipRgn);
 326 #if ! wxMAC_EXPERIMENTAL_DC
 327     m_macFontInstalled = false ;
 328     m_macBrushInstalled = false ;
 329     m_macPenInstalled = false ;
 330 #endif
 331 }
 332 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 333 {
 334 #ifdef __WXDEBUG__
 335     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 336     m_macCurrentPortStateHelper = NULL ;
 337 #endif
 338     if( m_macATSUIStyle )
 339     {
 340         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 341         m_macATSUIStyle = NULL ;
 342     }
 343     if ( m_macAliasWasEnabled )
 344     {
 345         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 346         m_macAliasWasEnabled = false ;
 347     }
 348     if ( m_macForegroundPixMap )
 349     {
 350         Pattern blackColor ;
 351         ::PenPat(GetQDGlobalsBlack(&blackColor));
 352         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 353         m_macForegroundPixMap = NULL ;
 354     }
 355     if ( m_macBackgroundPixMap )
 356     {
 357         Pattern whiteColor ;
 358         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 359         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 360         m_macBackgroundPixMap = NULL ;
 361     }
 362 }
 363
 364 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 365 {
 366      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 367      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 368      wxMacFastPortSetter helper(this) ;
 369      wxCoord xx = XLOG2DEVMAC(x);
 370      wxCoord yy = YLOG2DEVMAC(y);
 371      wxCoord w = bmp.GetWidth();
 372      wxCoord h = bmp.GetHeight();
 373      wxCoord ww = XLOG2DEVREL(w);
 374      wxCoord hh = YLOG2DEVREL(h);
 375      // Set up drawing mode
 376      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 377                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 378                     //m_logicalFunction == wxSET ? BLACKNESS :
 379                     m_logicalFunction == wxINVERT ? hilite :
 380                    //m_logicalFunction == wxAND ? MERGECOPY :
 381                     m_logicalFunction == wxOR ? srcOr :
 382                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 383                     m_logicalFunction == wxXOR ? srcXor :
 384                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 385                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 386                     //m_logicalFunction == wxSRC_OR ? srcOr :
 387                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 388                     srcCopy );
 389      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 390          Rect bitmaprect = { 0 , 0 , hh, ww };
 391          ::OffsetRect( &bitmaprect, xx, yy ) ;
 392          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 393     }
 394      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 395      {
 396          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 397          PixMapHandle bmappixels ;
 398          // Set foreground and background colours (for bitmaps depth = 1)
 399          if(bmp.GetDepth() == 1)
 400         {
 401              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 402              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 403              RGBForeColor(&fore);
 404              RGBBackColor(&back);
 405          }
 406          else
 407          {
 408              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 409              RGBColor black = { 0,0,0} ;
 410              RGBForeColor( &black ) ;
 411              RGBBackColor( &white ) ;
 412          }
 413          bmappixels = GetGWorldPixMap( bmapworld ) ;
 414          wxCHECK_RET(LockPixels(bmappixels),
 415                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 416          Rect source = { 0, 0, h, w };
 417          Rect dest   = { yy, xx, yy + hh, xx + ww };
 418          if ( useMask && bmp.GetMask() )
 419          {
 420              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 421              {
 422                  CopyDeepMask
 423                      (
 424                       GetPortBitMapForCopyBits(bmapworld),
 425                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 426                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 427                       &source, &source, &dest, mode, NULL
 428                       );
 429                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 430              }
 431          }
 432          else {
 433              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 434                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 435                        &source, &dest, mode, NULL ) ;
 436          }
 437          UnlockPixels( bmappixels ) ;
 438      }
 439      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 440      {
 441         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 442         OffsetRect( &bitmaprect, xx, yy ) ;
 443         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 444      }
 445      m_macPenInstalled = false ;
 446      m_macBrushInstalled = false ;
 447      m_macFontInstalled = false ;
 448 }
 449
 450 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 451 {
 452     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 453     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 454     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 455 }
 456
 457 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 458 {
 459     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 460     wxCoord xx, yy, ww, hh;
 461     xx = XLOG2DEVMAC(x);
 462     yy = YLOG2DEVMAC(y);
 463     ww = XLOG2DEVREL(width);
 464     hh = YLOG2DEVREL(height);
 465     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 466     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 467     if( m_clipping )
 468     {
 469         m_clipX1 = wxMax( m_clipX1 , xx );
 470         m_clipY1 = wxMax( m_clipY1 , yy );
 471         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 472         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 473     }
 474     else
 475     {
 476         m_clipping = TRUE;
 477         m_clipX1 = xx;
 478         m_clipY1 = yy;
 479         m_clipX2 = xx + ww;
 480         m_clipY2 = yy + hh;
 481     }
 482 }
 483
 484 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 485 {
 486     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 487     if (region.Empty())
 488     {
 489         DestroyClippingRegion();
 490         return;
 491     }
 492     wxMacFastPortSetter helper(this) ;
 493     wxCoord x, y, w, h;
 494     region.GetBox( x, y, w, h );
 495     wxCoord xx, yy, ww, hh;
 496     xx = XLOG2DEVMAC(x);
 497     yy = YLOG2DEVMAC(y);
 498     ww = XLOG2DEVREL(w);
 499     hh = YLOG2DEVREL(h);
 500     // if we have a scaling that we cannot map onto native regions
 501     // we must use the box
 502     if ( ww != w || hh != h )
 503     {
 504         wxDC::DoSetClippingRegion( x, y, w, h );
 505     }
 506     else
 507     {
 508         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 509         if ( xx != x || yy != y )
 510         {
 511             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 512         }
 513         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 514         if( m_clipping )
 515         {
 516             m_clipX1 = wxMax( m_clipX1 , xx );
 517             m_clipY1 = wxMax( m_clipY1 , yy );
 518             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 519             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 520         }
 521         else
 522         {
 523             m_clipping = TRUE;
 524             m_clipX1 = xx;
 525             m_clipY1 = yy;
 526             m_clipX2 = xx + ww;
 527             m_clipY2 = yy + hh;
 528         }
 529     }
 530 }
 531
 532 void wxDC::DestroyClippingRegion()
 533 {
 534     wxMacFastPortSetter helper(this) ;
 535     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 536     m_clipping = FALSE;
 537 }
 538
 539 void wxDC::DoGetSizeMM( int* width, int* height ) const
 540 {
 541     int w = 0;
 542     int h = 0;
 543     GetSize( &w, &h );
 544     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 545     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 546 }
 547
 548 void wxDC::SetTextForeground( const wxColour &col )
 549 {
 550     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 551     m_textForegroundColour = col;
 552     m_macFontInstalled = false ;
 553 }
 554
 555 void wxDC::SetTextBackground( const wxColour &col )
 556 {
 557     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 558     m_textBackgroundColour = col;
 559     m_macFontInstalled = false ;
 560 }
 561
 562 void wxDC::SetMapMode( int mode )
 563 {
 564     switch (mode)
 565     {
 566     case wxMM_TWIPS:
 567         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 568         break;
 569     case wxMM_POINTS:
 570         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 571         break;
 572     case wxMM_METRIC:
 573         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 574         break;
 575     case wxMM_LOMETRIC:
 576         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 577         break;
 578     default:
 579     case wxMM_TEXT:
 580         SetLogicalScale( 1.0, 1.0 );
 581         break;
 582     }
 583     if (mode != wxMM_TEXT)
 584     {
 585         m_needComputeScaleX = TRUE;
 586         m_needComputeScaleY = TRUE;
 587     }
 588 }
 589
 590 void wxDC::SetUserScale( double x, double y )
 591 {
 592     // allow negative ? -> no
 593     m_userScaleX = x;
 594     m_userScaleY = y;
 595     ComputeScaleAndOrigin();
 596 }
 597
 598 void wxDC::SetLogicalScale( double x, double y )
 599 {
 600     // allow negative ?
 601     m_logicalScaleX = x;
 602     m_logicalScaleY = y;
 603     ComputeScaleAndOrigin();
 604 }
 605
 606 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 607 {
 608     m_logicalOriginX = x * m_signX;   // is this still correct ?
 609     m_logicalOriginY = y * m_signY;
 610     ComputeScaleAndOrigin();
 611 }
 612
 613 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 614 {
 615     m_externalDeviceOriginX = x;
 616     m_externalDeviceOriginY = y;
 617     ComputeScaleAndOrigin();
 618 }
 619
 620 #if 0
 621 void wxDC::SetInternalDeviceOrigin( long x, long y )
 622 {
 623     m_internalDeviceOriginX = x;
 624     m_internalDeviceOriginY = y;
 625     ComputeScaleAndOrigin();
 626 }
 627 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 628 {
 629     if (x) *x = m_internalDeviceOriginX;
 630     if (y) *y = m_internalDeviceOriginY;
 631 }
 632 #endif
 633
 634 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 635 {
 636     m_signX = (xLeftRight ?  1 : -1);
 637     m_signY = (yBottomUp  ? -1 :  1);
 638     ComputeScaleAndOrigin();
 639 }
 640
 641 wxSize wxDC::GetPPI() const
 642 {
 643     return wxSize(72, 72);
 644 }
 645
 646 int wxDC::GetDepth() const
 647 {
 648     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 649     {
 650         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 651     }
 652     return 1 ;
 653 }
 654
 655 void wxDC::ComputeScaleAndOrigin()
 656 {
 657     // CMB: copy scale to see if it changes
 658     double origScaleX = m_scaleX;
 659     double origScaleY = m_scaleY;
 660     m_scaleX = m_logicalScaleX * m_userScaleX;
 661     m_scaleY = m_logicalScaleY * m_userScaleY;
 662     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 663     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 664     // CMB: if scale has changed call SetPen to recalulate the line width
 665     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 666     {
 667         // this is a bit artificial, but we need to force wxDC to think
 668         // the pen has changed
 669         wxPen* pen = & GetPen();
 670         wxPen tempPen;
 671         m_pen = tempPen;
 672         SetPen(* pen);
 673     }
 674 }
 675
 676 void  wxDC::SetPalette( const wxPalette& palette )
 677 {
 678 }
 679
 680 void  wxDC::SetBackgroundMode( int mode )
 681 {
 682     m_backgroundMode = mode ;
 683 }
 684
 685 void  wxDC::SetFont( const wxFont &font )
 686 {
 687     m_font = font;
 688     m_macFontInstalled = false ;
 689 }
 690
 691 void  wxDC::SetPen( const wxPen &pen )
 692 {
 693     if ( m_pen == pen )
 694         return ;
 695     m_pen = pen;
 696     m_macPenInstalled = false ;
 697 }
 698
 699 void  wxDC::SetBrush( const wxBrush &brush )
 700 {
 701     if (m_brush == brush)
 702         return;
 703     m_brush = brush;
 704     m_macBrushInstalled = false ;
 705 }
 706
 707 void  wxDC::SetBackground( const wxBrush &brush )
 708 {
 709     if (m_backgroundBrush == brush)
 710         return;
 711     m_backgroundBrush = brush;
 712     if (!m_backgroundBrush.Ok())
 713         return;
 714     m_macBrushInstalled = false ;
 715 }
 716
 717 void  wxDC::SetLogicalFunction( int function )
 718 {
 719     if (m_logicalFunction == function)
 720         return;
 721     m_logicalFunction = function ;
 722     m_macFontInstalled = false ;
 723     m_macBrushInstalled = false ;
 724     m_macPenInstalled = false ;
 725 }
 726
 727 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 728                           const wxColour & col, int style);
 729
 730 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 731                        const wxColour& col, int style)
 732 {
 733     return wxDoFloodFill(this, x, y, col, style);
 734 }
 735
 736 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 737 {
 738     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 739     wxMacFastPortSetter helper(this) ;
 740     RGBColor colour;
 741     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 742     // Convert from Mac colour to wx
 743     col->Set( colour.red   >> 8,
 744         colour.green >> 8,
 745         colour.blue  >> 8);
 746     return true ;
 747 }
 748
 749 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 750 {
 751     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 752     wxMacFastPortSetter helper(this) ;
 753     if (m_pen.GetStyle() != wxTRANSPARENT)
 754     {
 755         MacInstallPen() ;
 756         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 757         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 758         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 759         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 760         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 761         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 762         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 763             (m_pen.GetWidth() <= 1))
 764         {
 765             // Implement LAST_NOT for MAC at least for
 766             // orthogonal lines. RR.
 767             if (xx1 == xx2)
 768             {
 769                 if (yy1 < yy2)
 770                     yy2--;
 771                 if (yy1 > yy2)
 772                     yy2++;
 773             }
 774             if (yy1 == yy2)
 775             {
 776                 if (xx1 < xx2)
 777                     xx2--;
 778                 if (xx1 > xx2)
 779                     xx2++;
 780             }
 781         }
 782         ::MoveTo(xx1, yy1);
 783         ::LineTo(xx2, yy2);
 784     }
 785 }
 786
 787 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 788 {
 789     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 790     wxMacFastPortSetter helper(this) ;
 791     if (m_pen.GetStyle() != wxTRANSPARENT)
 792     {
 793         int w = 0;
 794         int h = 0;
 795         GetSize( &w, &h );
 796         wxCoord xx = XLOG2DEVMAC(x);
 797         wxCoord yy = YLOG2DEVMAC(y);
 798         MacInstallPen();
 799         ::MoveTo( XLOG2DEVMAC(0), yy );
 800         ::LineTo( XLOG2DEVMAC(w), yy );
 801         ::MoveTo( xx, YLOG2DEVMAC(0) );
 802         ::LineTo( xx, YLOG2DEVMAC(h) );
 803         CalcBoundingBox(x, y);
 804         CalcBoundingBox(x+w, y+h);
 805     }
 806 }
 807
 808 /*
 809 * To draw arcs properly the angles need to be converted from the WX style:
 810 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 811 * a normal axis on paper).
 812 * TO
 813 * the Mac style:
 814 * Angles start on the +ve y axis and go clockwise.
 815 */
 816
 817 static double wxConvertWXangleToMACangle(double angle)
 818 {
 819     double newAngle = 90 - angle ;
 820     if ( newAngle < 0 )
 821         newAngle += 360 ;
 822     return newAngle ;
 823 }
 824
 825 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 826                       wxCoord x2, wxCoord y2,
 827                       wxCoord xc, wxCoord yc )
 828 {
 829     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 830     wxMacFastPortSetter helper(this) ;
 831     wxCoord xx1 = XLOG2DEVMAC(x1);
 832     wxCoord yy1 = YLOG2DEVMAC(y1);
 833     wxCoord xx2 = XLOG2DEVMAC(x2);
 834     wxCoord yy2 = YLOG2DEVMAC(y2);
 835     wxCoord xxc = XLOG2DEVMAC(xc);
 836     wxCoord yyc = YLOG2DEVMAC(yc);
 837     double dx = xx1 - xxc;
 838     double dy = yy1 - yyc;
 839     double radius = sqrt((double)(dx*dx+dy*dy));
 840     wxCoord rad   = (wxCoord)radius;
 841     double radius1, radius2;
 842     if (xx1 == xx2 && yy1 == yy2)
 843     {
 844         radius1 = 0.0;
 845         radius2 = 360.0;
 846     }
 847     else if (radius == 0.0)
 848     {
 849         radius1 = radius2 = 0.0;
 850     }
 851     else
 852     {
 853         radius1 = (xx1 - xxc == 0) ?
 854             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 855         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 856         radius2 = (xx2 - xxc == 0) ?
 857             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 858         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 859     }
 860     wxCoord alpha2 = wxCoord(radius2 - radius1);
 861     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 862     if( (xx1 > xx2) || (yy1 > yy2) ) {
 863         alpha2 *= -1;
 864     }
 865     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 866     if(m_brush.GetStyle() != wxTRANSPARENT) {
 867         MacInstallBrush();
 868         PaintArc(&r, alpha1, alpha2);
 869     }
 870     if(m_pen.GetStyle() != wxTRANSPARENT) {
 871         MacInstallPen();
 872         FrameArc(&r, alpha1, alpha2);
 873     }
 874 }
 875
 876 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 877                               double sa, double ea )
 878 {
 879     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 880     wxMacFastPortSetter helper(this) ;
 881     Rect r;
 882     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 883     // we have to make sure that the filling is always counter-clockwise
 884     if ( angle > 0 )
 885         angle -= 360 ;
 886     wxCoord xx = XLOG2DEVMAC(x);
 887     wxCoord yy = YLOG2DEVMAC(y);
 888     wxCoord ww = m_signX * XLOG2DEVREL(w);
 889     wxCoord hh = m_signY * YLOG2DEVREL(h);
 890     // handle -ve width and/or height
 891     if (ww < 0) { ww = -ww; xx = xx - ww; }
 892     if (hh < 0) { hh = -hh; yy = yy - hh; }
 893     sa = wxConvertWXangleToMACangle(sa);
 894     r.top    = yy;
 895     r.left   = xx;
 896     r.bottom = yy + hh;
 897     r.right  = xx + ww;
 898     if(m_brush.GetStyle() != wxTRANSPARENT) {
 899         MacInstallBrush();
 900         PaintArc(&r, (short)sa, (short)angle);
 901     }
 902     if(m_pen.GetStyle() != wxTRANSPARENT) {
 903         MacInstallPen();
 904         FrameArc(&r, (short)sa, (short)angle);
 905     }
 906 }
 907
 908 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 909 {
 910     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 911     wxMacFastPortSetter helper(this) ;
 912     if (m_pen.GetStyle() != wxTRANSPARENT)
 913     {
 914         wxCoord xx1 = XLOG2DEVMAC(x);
 915         wxCoord yy1 = YLOG2DEVMAC(y);
 916         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 917         ::SetCPixel( xx1,yy1,&pencolor) ;
 918         CalcBoundingBox(x, y);
 919     }
 920 }
 921
 922 void  wxDC::DoDrawLines(int n, wxPoint points[],
 923                         wxCoord xoffset, wxCoord yoffset)
 924 {
 925     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 926     wxMacFastPortSetter helper(this) ;
 927     if (m_pen.GetStyle() == wxTRANSPARENT)
 928         return;
 929     MacInstallPen() ;
 930     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 931     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 932     wxCoord x1, x2 , y1 , y2 ;
 933     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 934     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 935     ::MoveTo(x1 - offset, y1 - offset );
 936     for (int i = 0; i < n-1; i++)
 937     {
 938         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 939         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 940         ::LineTo( x2 - offset, y2 - offset );
 941     }
 942 }
 943
 944 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 945                           wxCoord xoffset, wxCoord yoffset,
 946                           int fillStyle )
 947 {
 948     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 949     wxMacFastPortSetter helper(this) ;
 950     wxCoord x1, x2 , y1 , y2 ;
 951     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 952         return ;
 953     PolyHandle polygon = OpenPoly();
 954     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 955     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 956     ::MoveTo(x1,y1);
 957     for (int i = 1; i < n; i++)
 958     {
 959         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 960         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 961         ::LineTo(x2, y2);
 962     }
 963     // close the polyline if necessary
 964     if ( x1 != x2 || y1 != y2 )
 965     {
 966         ::LineTo(x1,y1 ) ;
 967     }
 968     ClosePoly();
 969     if (m_brush.GetStyle() != wxTRANSPARENT)
 970     {
 971         MacInstallBrush();
 972         ::PaintPoly( polygon );
 973     }
 974     if (m_pen.GetStyle() != wxTRANSPARENT)
 975     {
 976         MacInstallPen() ;
 977         ::FramePoly( polygon ) ;
 978     }
 979     KillPoly( polygon );
 980 }
 981
 982 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 983 {
 984     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 985     wxMacFastPortSetter helper(this) ;
 986     wxCoord xx = XLOG2DEVMAC(x);
 987     wxCoord yy = YLOG2DEVMAC(y);
 988     wxCoord ww = m_signX * XLOG2DEVREL(width);
 989     wxCoord hh = m_signY * YLOG2DEVREL(height);
 990     // CMB: draw nothing if transformed w or h is 0
 991     if (ww == 0 || hh == 0)
 992         return;
 993     // CMB: handle -ve width and/or height
 994     if (ww < 0)
 995     {
 996         ww = -ww;
 997         xx = xx - ww;
 998     }
 999     if (hh < 0)
1000     {
1001         hh = -hh;
1002         yy = yy - hh;
1003     }
1004     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1005     if (m_brush.GetStyle() != wxTRANSPARENT)
1006     {
1007         MacInstallBrush() ;
1008         ::PaintRect( &rect ) ;
1009     }
1010     if (m_pen.GetStyle() != wxTRANSPARENT)
1011     {
1012         MacInstallPen() ;
1013         ::FrameRect( &rect ) ;
1014     }
1015 }
1016
1017 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1018                                    wxCoord width, wxCoord height,
1019                                    double radius)
1020 {
1021     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1022     wxMacFastPortSetter helper(this) ;
1023     if (radius < 0.0)
1024         radius = - radius * ((width < height) ? width : height);
1025     wxCoord xx = XLOG2DEVMAC(x);
1026     wxCoord yy = YLOG2DEVMAC(y);
1027     wxCoord ww = m_signX * XLOG2DEVREL(width);
1028     wxCoord hh = m_signY * YLOG2DEVREL(height);
1029     // CMB: draw nothing if transformed w or h is 0
1030     if (ww == 0 || hh == 0)
1031         return;
1032     // CMB: handle -ve width and/or height
1033     if (ww < 0)
1034     {
1035         ww = -ww;
1036         xx = xx - ww;
1037     }
1038     if (hh < 0)
1039     {
1040         hh = -hh;
1041         yy = yy - hh;
1042     }
1043     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1044     if (m_brush.GetStyle() != wxTRANSPARENT)
1045     {
1046         MacInstallBrush() ;
1047         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1048     }
1049     if (m_pen.GetStyle() != wxTRANSPARENT)
1050     {
1051         MacInstallPen() ;
1052         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1053     }
1054 }
1055
1056 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1057 {
1058     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1059     wxMacFastPortSetter helper(this) ;
1060     wxCoord xx = XLOG2DEVMAC(x);
1061     wxCoord yy = YLOG2DEVMAC(y);
1062     wxCoord ww = m_signX * XLOG2DEVREL(width);
1063     wxCoord hh = m_signY * YLOG2DEVREL(height);
1064     // CMB: draw nothing if transformed w or h is 0
1065     if (ww == 0 || hh == 0)
1066         return;
1067     // CMB: handle -ve width and/or height
1068     if (ww < 0)
1069     {
1070         ww = -ww;
1071         xx = xx - ww;
1072     }
1073     if (hh < 0)
1074     {
1075         hh = -hh;
1076         yy = yy - hh;
1077     }
1078     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1079     if (m_brush.GetStyle() != wxTRANSPARENT)
1080     {
1081         MacInstallBrush() ;
1082         ::PaintOval( &rect ) ;
1083     }
1084     if (m_pen.GetStyle() != wxTRANSPARENT)
1085     {
1086         MacInstallPen() ;
1087         ::FrameOval( &rect ) ;
1088     }
1089 }
1090
1091 bool  wxDC::CanDrawBitmap(void) const
1092 {
1093     return true ;
1094 }
1095
1096 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1097                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1098                    wxCoord xsrcMask,  wxCoord ysrcMask )
1099 {
1100     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1101     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1102     if ( logical_func == wxNO_OP )
1103         return TRUE ;
1104     if (xsrcMask == -1 && ysrcMask == -1)
1105     {
1106         xsrcMask = xsrc; ysrcMask = ysrc;
1107     }
1108     // correct the parameter in case this dc does not have a mask at all
1109     if ( useMask && !source->m_macMask )
1110         useMask = false ;
1111     Rect srcrect , dstrect ;
1112     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1113     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1114     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1115     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1116     dstrect.top = YLOG2DEVMAC(ydest) ;
1117     dstrect.left = XLOG2DEVMAC(xdest) ;
1118     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1119     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1120     short mode = kUnsupportedMode ;
1121     bool invertDestinationFirst = false ;
1122     switch ( logical_func )
1123     {
1124     case wxAND:        // src AND dst
1125         mode = adMin ; // ok
1126         break ;
1127     case wxAND_INVERT: // (NOT src) AND dst
1128         mode = notSrcOr  ; // ok
1129         break ;
1130     case wxAND_REVERSE:// src AND (NOT dst)
1131         invertDestinationFirst = true ;
1132         mode = srcOr ;
1133         break ;
1134     case wxCLEAR:      // 0
1135         mode = kEmulatedMode ;
1136         break ;
1137     case wxCOPY:       // src
1138         mode = srcCopy ; // ok
1139         break ;
1140     case wxEQUIV:      // (NOT src) XOR dst
1141         mode = srcXor ; // ok
1142         break ;
1143     case wxINVERT:     // NOT dst
1144         mode = kEmulatedMode ; //or hilite ;
1145         break ;
1146     case wxNAND:       // (NOT src) OR (NOT dst)
1147         invertDestinationFirst = true ;
1148         mode = srcBic ;
1149         break ;
1150     case wxNOR:        // (NOT src) AND (NOT dst)
1151         invertDestinationFirst = true ;
1152         mode = notSrcOr ;
1153         break ;
1154     case wxNO_OP:      // dst
1155         mode = kEmulatedMode ; // this has already been handled upon entry
1156         break ;
1157     case wxOR:         // src OR dst
1158         mode = notSrcBic ;
1159         break ;
1160     case wxOR_INVERT:  // (NOT src) OR dst
1161         mode = srcBic ;
1162         break ;
1163     case wxOR_REVERSE: // src OR (NOT dst)
1164         invertDestinationFirst = true ;
1165         mode = notSrcBic ;
1166         break ;
1167     case wxSET:        // 1
1168         mode = kEmulatedMode ;
1169         break ;
1170     case wxSRC_INVERT: // (NOT src)
1171         mode = notSrcCopy ; // ok
1172         break ;
1173     case wxXOR:        // src XOR dst
1174         mode = notSrcXor ; // ok
1175         break ;
1176     default :
1177         break ;
1178     }
1179     if ( mode == kUnsupportedMode )
1180     {
1181         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1182         return FALSE ;
1183     }
1184     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1185     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1186     if ( LockPixels(bmappixels) )
1187     {
1188         wxMacFastPortSetter helper(this) ;
1189         if ( source->GetDepth() == 1 )
1190         {
1191             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1192             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1193         }
1194         else
1195         {
1196             // the modes need this, otherwise we'll end up having really nice colors...
1197             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1198             RGBColor    black = { 0,0,0} ;
1199             RGBForeColor( &black ) ;
1200             RGBBackColor( &white ) ;
1201         }
1202         if ( useMask && source->m_macMask )
1203         {
1204             if ( mode == srcCopy )
1205             {
1206                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1207                 {
1208                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1209                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1210                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1211                         &srcrect, &srcrect , &dstrect ) ;
1212                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1213                 }
1214             }
1215             else
1216             {
1217                 RgnHandle clipRgn = NewRgn() ;
1218                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1219                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1220                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1221                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1222                 if ( mode == kEmulatedMode )
1223                 {
1224                     Pattern pat ;
1225                     ::PenPat(GetQDGlobalsBlack(&pat));
1226                     if ( logical_func == wxSET )
1227                     {
1228                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1229                         ::RGBForeColor( &col  ) ;
1230                         ::PaintRgn( clipRgn ) ;
1231                     }
1232                     else if ( logical_func == wxCLEAR )
1233                     {
1234                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1235                         ::RGBForeColor( &col  ) ;
1236                         ::PaintRgn( clipRgn ) ;
1237                     }
1238                     else if ( logical_func == wxINVERT )
1239                     {
1240                         MacInvertRgn( clipRgn ) ;
1241                     }
1242                     else
1243                     {
1244                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1245                         {
1246                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1247                             {
1248                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1249                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1250                                 if ( PtInRgn( dstPoint , clipRgn ) )
1251                                 {
1252                                     RGBColor srcColor ;
1253                                     RGBColor dstColor ;
1254                                     SetPort( (GrafPtr) sourcePort ) ;
1255                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1256                                     SetPort( (GrafPtr) m_macPort ) ;
1257                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1258                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1259                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1260                                 }
1261                             }
1262                         }
1263                     }
1264                 }
1265                 else
1266                 {
1267                     if ( invertDestinationFirst )
1268                     {
1269                         MacInvertRgn( clipRgn ) ;
1270                     }
1271                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1272                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1273                         &srcrect, &dstrect, mode, clipRgn ) ;
1274                 }
1275                 DisposeRgn( clipRgn ) ;
1276             }
1277         }
1278         else
1279         {
1280             RgnHandle clipRgn = NewRgn() ;
1281             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1282             if ( mode == kEmulatedMode )
1283             {
1284                 Pattern pat ;
1285                 ::PenPat(GetQDGlobalsBlack(&pat));
1286                 if ( logical_func == wxSET )
1287                 {
1288                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1289                     ::RGBForeColor( &col  ) ;
1290                     ::PaintRgn( clipRgn ) ;
1291                 }
1292                 else if ( logical_func == wxCLEAR )
1293                 {
1294                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1295                     ::RGBForeColor( &col  ) ;
1296                     ::PaintRgn( clipRgn ) ;
1297                 }
1298                 else if ( logical_func == wxINVERT )
1299                 {
1300                     MacInvertRgn( clipRgn ) ;
1301                 }
1302                 else
1303                 {
1304                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1305                     {
1306                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1307                         {
1308                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1309                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1310                             {
1311                                 RGBColor srcColor ;
1312                                 RGBColor dstColor ;
1313                                 SetPort( (GrafPtr) sourcePort ) ;
1314                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1315                                 SetPort( (GrafPtr) m_macPort ) ;
1316                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1317                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1318                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1319                             }
1320                         }
1321                     }
1322                 }
1323             }
1324             else
1325             {
1326                 if ( invertDestinationFirst )
1327                 {
1328                     MacInvertRgn( clipRgn ) ;
1329                 }
1330                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1331                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1332                     &srcrect, &dstrect, mode, NULL ) ;
1333             }
1334             DisposeRgn( clipRgn ) ;
1335         }
1336         UnlockPixels( bmappixels ) ;
1337     }
1338     m_macPenInstalled = false ;
1339     m_macBrushInstalled = false ;
1340     m_macFontInstalled = false ;
1341     return TRUE;
1342 }
1343
1344 #ifndef FixedToInt
1345 // as macro in FixMath.h for 10.3
1346 inline Fixed    IntToFixed( int inInt )
1347 {
1348     return (((SInt32) inInt) << 16);
1349 }
1350
1351 inline int    FixedToInt( Fixed inFixed )
1352 {
1353     return (((SInt32) inFixed) >> 16);
1354 }
1355 #endif
1356
1357 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1358                               double angle)
1359 {
1360     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1361
1362     if (angle == 0.0 )
1363     {
1364         DrawText(str, x, y);
1365         return;
1366     }
1367
1368     if ( str.Length() == 0 )
1369         return ;
1370
1371     wxMacFastPortSetter helper(this) ;
1372     MacInstallFont() ;
1373
1374     if ( 0 )
1375     {
1376         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1377         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.GetMacFontSize()));
1378         m_macAliasWasEnabled = true ;
1379     }
1380     OSStatus status = noErr ;
1381     ATSUTextLayout atsuLayout ;
1382     UniCharCount chars = str.Length() ;
1383 #if wxUSE_UNICODE
1384     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1385         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1386 #else
1387     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1388     int wlen = wxWcslen( wchar.data() ) ;
1389     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) wchar.data() , 0 , wlen , wlen , 1 ,
1390         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1391 #endif
1392     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1393     int iAngle = int( angle );
1394     int drawX = XLOG2DEVMAC(x) ;
1395     int drawY = YLOG2DEVMAC(y) ;
1396
1397     ATSUTextMeasurement textBefore ;
1398     ATSUTextMeasurement textAfter ;
1399     ATSUTextMeasurement ascent ;
1400     ATSUTextMeasurement descent ;
1401
1402
1403     if ( abs(iAngle) > 0 )
1404     {
1405         Fixed atsuAngle = IntToFixed( iAngle ) ;
1406         ATSUAttributeTag atsuTags[] =
1407         {
1408             kATSULineRotationTag ,
1409         } ;
1410         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1411         {
1412             sizeof( Fixed ) ,
1413         } ;
1414         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1415         {
1416             &atsuAngle ,
1417         } ;
1418         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1419             atsuTags, atsuSizes, atsuValues ) ;
1420     }
1421     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1422         &textBefore , &textAfter, &ascent , &descent );
1423
1424     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1425     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1426     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1427         IntToFixed(drawX) , IntToFixed(drawY) );
1428     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1429     Rect rect ;
1430     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1431         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1432     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1433     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1434     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1435     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1436     ::ATSUDisposeTextLayout(atsuLayout);
1437 }
1438
1439 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1440 {
1441     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1442
1443     wxMacFastPortSetter helper(this) ;
1444     long xx = XLOG2DEVMAC(x);
1445     long yy = YLOG2DEVMAC(y);
1446 #if TARGET_CARBON
1447     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1448     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1449         useDrawThemeText = false ;
1450 #endif
1451     MacInstallFont() ;
1452     if ( 0 )
1453     {
1454         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1455         SetAntiAliasedTextEnabled(true, 8);
1456         m_macAliasWasEnabled = true ;
1457     }
1458     FontInfo fi ;
1459     ::GetFontInfo( &fi ) ;
1460 #if TARGET_CARBON
1461     if ( !useDrawThemeText )
1462 #endif
1463         yy += fi.ascent ;
1464     ::MoveTo( xx , yy );
1465     if (  m_backgroundMode == wxTRANSPARENT )
1466     {
1467         ::TextMode( srcOr) ;
1468     }
1469     else
1470     {
1471         ::TextMode( srcCopy ) ;
1472     }
1473     int length = strtext.Length() ;
1474
1475     int laststop = 0 ;
1476     int i = 0 ;
1477     int line = 0 ;
1478     {
1479         while( i < length )
1480         {
1481             if( strtext[i] == 13 || strtext[i] == 10)
1482             {
1483                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1484 #if TARGET_CARBON
1485                 if ( useDrawThemeText )
1486                 {
1487                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1488                     wxMacCFStringHolder mString( linetext ) ;
1489                     if ( m_backgroundMode != wxTRANSPARENT )
1490                     {
1491                         Point bounds={0,0} ;
1492                         Rect background = frame ;
1493                         SInt16 baseline ;
1494                         ::GetThemeTextDimensions( mString,
1495                             kThemeCurrentPortFont,
1496                             kThemeStateActive,
1497                             false,
1498                             &bounds,
1499                             &baseline );
1500                         background.right = background.left + bounds.h ;
1501                         background.bottom = background.top + bounds.v ;
1502                         ::EraseRect( &background ) ;
1503                     }
1504                     ::DrawThemeTextBox( mString,
1505                         kThemeCurrentPortFont,
1506                         kThemeStateActive,
1507                         false,
1508                         &frame,
1509                         teJustLeft,
1510                         nil );
1511                     line++ ;
1512                 }
1513                 else
1514 #endif
1515                 {
1516                     wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1517                     ::DrawText( text , 0 , strlen(text) ) ;
1518                     line++ ;
1519                     ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1520                 }
1521                 laststop = i+1 ;
1522             }
1523             i++ ;
1524         }
1525         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1526 #if TARGET_CARBON
1527         if ( useDrawThemeText )
1528         {
1529             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1530             wxMacCFStringHolder mString( linetext ) ;
1531
1532             if ( m_backgroundMode != wxTRANSPARENT )
1533             {
1534                 Point bounds={0,0} ;
1535                 Rect background = frame ;
1536                 SInt16 baseline ;
1537                 ::GetThemeTextDimensions( mString,
1538                     kThemeCurrentPortFont,
1539                     kThemeStateActive,
1540                     false,
1541                     &bounds,
1542                     &baseline );
1543                 background.right = background.left + bounds.h ;
1544                 background.bottom = background.top + bounds.v ;
1545                 ::EraseRect( &background ) ;
1546             }
1547             ::DrawThemeTextBox( mString,
1548                 kThemeCurrentPortFont,
1549                 kThemeStateActive,
1550                 false,
1551                 &frame,
1552                 teJustLeft,
1553                 nil );
1554         }
1555         else
1556 #endif
1557         {
1558             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1559             ::DrawText( text , 0 , strlen(text) ) ;
1560          }
1561     }
1562     ::TextMode( srcOr ) ;
1563 }
1564
1565 bool  wxDC::CanGetTextExtent() const
1566 {
1567     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1568     return true ;
1569 }
1570
1571 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1572                             wxCoord *descent, wxCoord *externalLeading ,
1573                             wxFont *theFont ) const
1574 {
1575     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1576     wxMacFastPortSetter helper(this) ;
1577     wxFont formerFont = m_font ;
1578     if ( theFont )
1579     {
1580         // work around the constness
1581         *((wxFont*)(&m_font)) = *theFont ;
1582     }
1583     MacInstallFont() ;
1584     FontInfo fi ;
1585     ::GetFontInfo( &fi ) ;
1586 #if TARGET_CARBON
1587     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1588     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1589         useGetThemeText = false ;
1590 #endif
1591     if ( height )
1592         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1593     if ( descent )
1594         *descent =YDEV2LOGREL( fi.descent );
1595     if ( externalLeading )
1596         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1597     int length = strtext.Length() ;
1598
1599     int laststop = 0 ;
1600     int i = 0 ;
1601     int curwidth = 0 ;
1602     if ( width )
1603     {
1604         *width = 0 ;
1605         while( i < length )
1606         {
1607             if( strtext[i] == 13 || strtext[i] == 10)
1608             {
1609                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1610                 if ( height )
1611                     *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1612 #if TARGET_CARBON
1613                 if ( useGetThemeText )
1614                 {
1615                     Point bounds={0,0} ;
1616                     SInt16 baseline ;
1617                     wxMacCFStringHolder mString( linetext ) ;
1618                     ::GetThemeTextDimensions( mString,
1619                         kThemeCurrentPortFont,
1620                         kThemeStateActive,
1621                         false,
1622                         &bounds,
1623                         &baseline );
1624                     curwidth = bounds.h ;
1625                 }
1626                 else
1627 #endif
1628                 {
1629                     wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1630                     curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1631                 }
1632                 if ( curwidth > *width )
1633                     *width = XDEV2LOGREL( curwidth ) ;
1634                 laststop = i+1 ;
1635             }
1636             i++ ;
1637         }
1638
1639         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1640 #if TARGET_CARBON
1641         if ( useGetThemeText )
1642         {
1643             Point bounds={0,0} ;
1644             SInt16 baseline ;
1645             wxMacCFStringHolder mString( linetext ) ;
1646             ::GetThemeTextDimensions( mString,
1647                 kThemeCurrentPortFont,
1648                 kThemeStateActive,
1649                 false,
1650                 &bounds,
1651                 &baseline );
1652             curwidth = bounds.h ;
1653         }
1654         else
1655 #endif
1656         {
1657             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1658             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1659         }
1660         if ( curwidth > *width )
1661             *width = XDEV2LOGREL( curwidth ) ;
1662     }
1663     if ( theFont )
1664     {
1665         // work around the constness
1666         *((wxFont*)(&m_font)) = formerFont ;
1667         m_macFontInstalled = false ;
1668     }
1669 }
1670
1671 wxCoord   wxDC::GetCharWidth(void) const
1672 {
1673     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1674     wxMacFastPortSetter helper(this) ;
1675     MacInstallFont() ;
1676     int width = 0 ;
1677 #if TARGET_CARBON
1678     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1679     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1680         useGetThemeText = false ;
1681 #endif
1682     char text[] = "g" ;
1683 #if TARGET_CARBON
1684     if ( useGetThemeText )
1685     {
1686         Point bounds={0,0} ;
1687         SInt16 baseline ;
1688         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1689         ::GetThemeTextDimensions( mString,
1690             kThemeCurrentPortFont,
1691             kThemeStateActive,
1692             false,
1693             &bounds,
1694             &baseline );
1695         CFRelease( mString ) ;
1696         width = bounds.h ;
1697     }
1698     else
1699 #endif
1700     {
1701         width = ::TextWidth( text , 0 , 1 ) ;
1702     }
1703     return YDEV2LOGREL(width) ;
1704 }
1705
1706 wxCoord   wxDC::GetCharHeight(void) const
1707 {
1708     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1709     wxMacFastPortSetter helper(this) ;
1710     MacInstallFont() ;
1711     FontInfo fi ;
1712     ::GetFontInfo( &fi ) ;
1713     return YDEV2LOGREL( fi.descent + fi.ascent );
1714 }
1715
1716 void  wxDC::Clear(void)
1717 {
1718     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1719     wxMacFastPortSetter helper(this) ;
1720     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1721     if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1722     {
1723         ::PenNormal() ;
1724         //MacInstallBrush() ;
1725         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1726         ::EraseRect( &rect ) ;
1727     }
1728 }
1729
1730 void wxDC::MacInstallFont() const
1731 {
1732     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1733     //    if ( m_macFontInstalled )
1734     //        return ;
1735     Pattern blackColor ;
1736     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1737     if ( m_font.Ok() )
1738     {
1739         ::TextFont( m_font.GetMacFontNum() ) ;
1740         ::TextSize( (short)(m_scaleY * m_font.GetMacFontSize()) ) ;
1741         ::TextFace( m_font.GetMacFontStyle() ) ;
1742         m_macFontInstalled = true ;
1743         m_macBrushInstalled = false ;
1744         m_macPenInstalled = false ;
1745         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1746         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1747         ::RGBForeColor( &forecolor );
1748         ::RGBBackColor( &backcolor );
1749     }
1750     else
1751     {
1752         FontFamilyID fontId ;
1753         Str255 fontName ;
1754         SInt16 fontSize ;
1755         Style fontStyle ;
1756         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1757         GetFNum( fontName, &fontId );
1758         ::TextFont( fontId ) ;
1759         ::TextSize( short(m_scaleY * fontSize) ) ;
1760         ::TextFace( fontStyle ) ;
1761         // todo reset after spacing changes - or store the current spacing somewhere
1762         m_macFontInstalled = true ;
1763         m_macBrushInstalled = false ;
1764         m_macPenInstalled = false ;
1765         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1766         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1767         ::RGBForeColor( &forecolor );
1768         ::RGBBackColor( &backcolor );
1769     }
1770     short mode = patCopy ;
1771     // todo :
1772     switch( m_logicalFunction )
1773     {
1774     case wxCOPY:       // src
1775         mode = patCopy ;
1776         break ;
1777     case wxINVERT:     // NOT dst
1778         ::PenPat(GetQDGlobalsBlack(&blackColor));
1779         mode = patXor ;
1780         break ;
1781     case wxXOR:        // src XOR dst
1782         mode = patXor ;
1783         break ;
1784     case wxOR_REVERSE: // src OR (NOT dst)
1785         mode = notPatOr ;
1786         break ;
1787     case wxSRC_INVERT: // (NOT src)
1788         mode = notPatCopy ;
1789         break ;
1790     case wxAND: // src AND dst
1791         mode = adMin ;
1792         break ;
1793         // unsupported TODO
1794     case wxCLEAR:      // 0
1795     case wxAND_REVERSE:// src AND (NOT dst)
1796     case wxAND_INVERT: // (NOT src) AND dst
1797     case wxNO_OP:      // dst
1798     case wxNOR:        // (NOT src) AND (NOT dst)
1799     case wxEQUIV:      // (NOT src) XOR dst
1800     case wxOR_INVERT:  // (NOT src) OR dst
1801     case wxNAND:       // (NOT src) OR (NOT dst)
1802     case wxOR:         // src OR dst
1803     case wxSET:        // 1
1804         //        case wxSRC_OR:     // source _bitmap_ OR destination
1805         //        case wxSRC_AND:     // source _bitmap_ AND destination
1806         break ;
1807     }
1808     ::PenMode( mode ) ;
1809     OSStatus status = noErr ;
1810     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.GetMacFontSize()) ) ;
1811     Style qdStyle = m_font.GetMacFontStyle() ;
1812     ATSUFontID    atsuFont = m_font.GetMacATSUFontID() ;
1813     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1814     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1815     ATSUAttributeTag atsuTags[] =
1816     {
1817         kATSUFontTag ,
1818             kATSUSizeTag ,
1819             //        kATSUColorTag ,
1820             //        kATSUBaselineClassTag ,
1821             kATSUVerticalCharacterTag,
1822             kATSUQDBoldfaceTag ,
1823             kATSUQDItalicTag ,
1824             kATSUQDUnderlineTag ,
1825             kATSUQDCondensedTag ,
1826             kATSUQDExtendedTag ,
1827     } ;
1828     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1829     {
1830         sizeof( ATSUFontID ) ,
1831             sizeof( Fixed ) ,
1832             //        sizeof( RGBColor ) ,
1833             //        sizeof( BslnBaselineClass ) ,
1834             sizeof( ATSUVerticalCharacterType),
1835             sizeof( Boolean ) ,
1836             sizeof( Boolean ) ,
1837             sizeof( Boolean ) ,
1838             sizeof( Boolean ) ,
1839             sizeof( Boolean ) ,
1840     } ;
1841     Boolean kTrue = true ;
1842     Boolean kFalse = false ;
1843     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1844     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1845     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1846     {
1847         &atsuFont ,
1848             &atsuSize ,
1849             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1850             //        &kBaselineDefault ,
1851             &kHorizontal,
1852             (qdStyle & bold) ? &kTrue : &kFalse ,
1853             (qdStyle & italic) ? &kTrue : &kFalse ,
1854             (qdStyle & underline) ? &kTrue : &kFalse ,
1855             (qdStyle & condense) ? &kTrue : &kFalse ,
1856             (qdStyle & extend) ? &kTrue : &kFalse ,
1857     } ;
1858     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1859         atsuTags, atsuSizes, atsuValues);
1860     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1861 }
1862
1863 Pattern gPatterns[] =
1864 {   // hatch patterns
1865     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1866     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1867     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1868     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1869     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1870     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1871     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1872     // dash patterns
1873     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1874     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1875     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1876     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1877 } ;
1878
1879 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1880 {
1881     int index = 0;  // solid pattern by default
1882     switch(penStyle)
1883     {
1884         // hatches
1885         case wxBDIAGONAL_HATCH:     index = 1; break;
1886         case wxFDIAGONAL_HATCH:     index = 2; break;
1887         case wxCROSS_HATCH:         index = 3; break;
1888         case wxHORIZONTAL_HATCH:    index = 4; break;
1889         case wxVERTICAL_HATCH:      index = 5; break;
1890         case wxCROSSDIAG_HATCH:     index = 6; break;
1891         // dashes
1892         case wxDOT:                 index = 7; break;
1893         case wxLONG_DASH:           index = 8; break;
1894         case wxSHORT_DASH:          index = 9; break;
1895         case wxDOT_DASH:            index = 10; break;
1896     }
1897     *pattern = gPatterns[index];
1898 }
1899
1900 void wxDC::MacInstallPen() const
1901 {
1902     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1903     //Pattern     blackColor;
1904     //    if ( m_macPenInstalled )
1905     //        return ;
1906     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1907     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1908     ::RGBForeColor( &forecolor );
1909     ::RGBBackColor( &backcolor );
1910     ::PenNormal() ;
1911     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1912     // null means only one pixel, at whatever resolution
1913     if ( penWidth == 0 )
1914         penWidth = 1 ;
1915     ::PenSize(penWidth, penWidth);
1916
1917     int penStyle = m_pen.GetStyle();
1918     Pattern pat;
1919     if (penStyle == wxUSER_DASH)
1920     {
1921         // FIXME: there should be exactly 8 items in the dash
1922         wxDash* dash ;
1923         int number = m_pen.GetDashes(&dash) ;
1924         int index = 0;
1925         for ( int i = 0 ; i < 8 ; ++i )
1926         {
1927             pat.pat[i] = dash[index] ;
1928             if (index < number - 1)
1929                 index++;
1930         }
1931     }
1932     else
1933     {
1934         wxMacGetPattern(penStyle, &pat);
1935     }
1936     ::PenPat(&pat);
1937
1938     short mode = patCopy ;
1939     // todo :
1940     switch( m_logicalFunction )
1941     {
1942     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1943         mode = patOr ;
1944         break ;
1945     case wxINVERT:     // NOT dst
1946         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1947         mode = patXor ;
1948         break ;
1949     case wxXOR:        // src XOR dst
1950         mode = patXor ;
1951         break ;
1952     case wxOR_REVERSE: // src OR (NOT dst)
1953         mode = notPatOr ;
1954         break ;
1955     case wxSRC_INVERT: // (NOT src)
1956         mode = notPatCopy ;
1957         break ;
1958     case wxAND: // src AND dst
1959         mode = adMin ;
1960         break ;
1961         // unsupported TODO
1962     case wxCLEAR:      // 0
1963     case wxAND_REVERSE:// src AND (NOT dst)
1964     case wxAND_INVERT: // (NOT src) AND dst
1965     case wxNO_OP:      // dst
1966     case wxNOR:        // (NOT src) AND (NOT dst)
1967     case wxEQUIV:      // (NOT src) XOR dst
1968     case wxOR_INVERT:  // (NOT src) OR dst
1969     case wxNAND:       // (NOT src) OR (NOT dst)
1970     case wxOR:         // src OR dst
1971     case wxSET:        // 1
1972         //        case wxSRC_OR:     // source _bitmap_ OR destination
1973         //        case wxSRC_AND:     // source _bitmap_ AND destination
1974         break ;
1975     }
1976     ::PenMode( mode ) ;
1977     m_macPenInstalled = true ;
1978     m_macBrushInstalled = false ;
1979     m_macFontInstalled = false ;
1980 }
1981
1982 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1983 {
1984     Pattern whiteColor ;
1985     switch( background.MacGetBrushKind() )
1986     {
1987         case kwxMacBrushTheme :
1988         {
1989             ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1990             break ;
1991         }
1992         case kwxMacBrushThemeBackground :
1993         {
1994             Rect extent ;
1995             ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
1996             ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1997             break ;
1998         }
1999         case kwxMacBrushColour :
2000         {
2001             ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2002             int brushStyle = background.GetStyle();
2003             if (brushStyle == wxSOLID)
2004                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2005             else if (IS_HATCH(brushStyle))
2006             {
2007                 Pattern pat ;
2008                 wxMacGetPattern(brushStyle, &pat);
2009                 ::BackPat(&pat);
2010             }
2011             else
2012             {
2013                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2014             }
2015             break ;
2016         }
2017     }
2018 }
2019
2020 void wxDC::MacInstallBrush() const
2021 {
2022     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2023     Pattern     blackColor ;
2024     //    if ( m_macBrushInstalled )
2025     //        return ;
2026     // foreground
2027     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2028     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2029     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2030     int brushStyle = m_brush.GetStyle();
2031     if (brushStyle == wxSOLID)
2032     {
2033         ::PenPat(GetQDGlobalsBlack(&blackColor));
2034     }
2035     else if (IS_HATCH(brushStyle))
2036     {
2037         Pattern pat ;
2038         wxMacGetPattern(brushStyle, &pat);
2039         ::PenPat(&pat);
2040     }
2041     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2042     {
2043         // we force this in order to be compliant with wxMSW
2044         backgroundTransparent = false ;
2045         // for these the text fore (and back for MASK_OPAQUE) colors are used
2046         wxBitmap* bitmap = m_brush.GetStipple() ;
2047         int width = bitmap->GetWidth() ;
2048         int height = bitmap->GetHeight() ;
2049         GWorldPtr gw = NULL ;
2050         if ( m_brush.GetStyle() == wxSTIPPLE )
2051             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2052         else
2053             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2054         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2055         LockPixels( gwpixmaphandle ) ;
2056         bool isMonochrome = !IsPortColor( gw ) ;
2057         if ( !isMonochrome )
2058         {
2059             if ( (**gwpixmaphandle).pixelSize == 1 )
2060                 isMonochrome = true ;
2061         }
2062         if ( isMonochrome && width == 8 && height == 8 )
2063         {
2064             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2065             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2066             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2067             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2068             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2069             Pattern pat ;
2070             for ( int i = 0 ; i < 8 ; ++i )
2071             {
2072                 pat.pat[i] = gwbits[i*alignment+0] ;
2073             }
2074             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2075             ::PenPat( &pat ) ;
2076         }
2077         else
2078         {
2079             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2080             // caching scheme before putting this into production
2081             Handle      image;
2082             long        imageSize;
2083             PixPatHandle pixpat = NewPixPat() ;
2084             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2085             imageSize = GetPixRowBytes((**pixpat).patMap) *
2086                 ((**(**pixpat).patMap).bounds.bottom -
2087                 (**(**pixpat).patMap).bounds.top);
2088             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2089             (**pixpat).patData = image;
2090             if ( isMonochrome )
2091             {
2092                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2093                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2094                 if ( ctspec[0].rgb.red == 0x0000 )
2095                 {
2096                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2097                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2098                 }
2099                 else
2100                 {
2101                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2102                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2103                 }
2104                 ::CTabChanged( ctable ) ;
2105             }
2106             ::PenPixPat(pixpat);
2107             m_macForegroundPixMap = pixpat ;
2108         }
2109         UnlockPixels( gwpixmaphandle ) ;
2110     }
2111     else
2112     {
2113         ::PenPat(GetQDGlobalsBlack(&blackColor));
2114     }
2115     short mode = patCopy ;
2116     switch( m_logicalFunction )
2117     {
2118     case wxCOPY:       // src
2119         if ( backgroundTransparent )
2120             mode = patOr ;
2121         else
2122             mode = patCopy ;
2123         break ;
2124     case wxINVERT:     // NOT dst
2125         if ( !backgroundTransparent )
2126         {
2127             ::PenPat(GetQDGlobalsBlack(&blackColor));
2128         }
2129         mode = patXor ;
2130         break ;
2131     case wxXOR:        // src XOR dst
2132         mode = patXor ;
2133         break ;
2134     case wxOR_REVERSE: // src OR (NOT dst)
2135         mode = notPatOr ;
2136         break ;
2137     case wxSRC_INVERT: // (NOT src)
2138         mode = notPatCopy ;
2139         break ;
2140     case wxAND: // src AND dst
2141         mode = adMin ;
2142         break ;
2143         // unsupported TODO
2144     case wxCLEAR:      // 0
2145     case wxAND_REVERSE:// src AND (NOT dst)
2146     case wxAND_INVERT: // (NOT src) AND dst
2147     case wxNO_OP:      // dst
2148     case wxNOR:        // (NOT src) AND (NOT dst)
2149     case wxEQUIV:      // (NOT src) XOR dst
2150     case wxOR_INVERT:  // (NOT src) OR dst
2151     case wxNAND:       // (NOT src) OR (NOT dst)
2152     case wxOR:         // src OR dst
2153     case wxSET:        // 1
2154         //        case wxSRC_OR:     // source _bitmap_ OR destination
2155         //        case wxSRC_AND:     // source _bitmap_ AND destination
2156         break ;
2157     }
2158     ::PenMode( mode ) ;
2159     m_macBrushInstalled = true ;
2160     m_macPenInstalled = false ;
2161     m_macFontInstalled = false ;
2162 }
2163
2164 // ---------------------------------------------------------------------------
2165 // coordinates transformations
2166 // ---------------------------------------------------------------------------
2167
2168 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2169 {
2170     return ((wxDC *)this)->XDEV2LOG(x);
2171 }
2172
2173 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2174 {
2175     return ((wxDC *)this)->YDEV2LOG(y);
2176 }
2177
2178 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2179 {
2180     return ((wxDC *)this)->XDEV2LOGREL(x);
2181 }
2182
2183 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2184 {
2185     return ((wxDC *)this)->YDEV2LOGREL(y);
2186 }
2187
2188 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2189 {
2190     return ((wxDC *)this)->XLOG2DEV(x);
2191 }
2192
2193 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2194 {
2195     return ((wxDC *)this)->YLOG2DEV(y);
2196 }
2197
2198 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2199 {
2200     return ((wxDC *)this)->XLOG2DEVREL(x);
2201 }
2202
2203 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2204 {
2205     return ((wxDC *)this)->YLOG2DEVREL(y);
2206 }