src/mac/dc.cpp

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