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 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  59     m_ph( (GrafPtr) dc->m_macPort )
  60 {
  61     wxASSERT( dc->Ok() ) ;
  62     m_dc = dc ;
  63     dc->MacSetupPort(&m_ph) ;
  64 }
  65
  66 wxMacPortSetter::~wxMacPortSetter()
  67 {
  68     m_dc->MacCleanupPort(&m_ph) ;
  69 }
  70
  71 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
  72 {
  73     m_formerClip = NewRgn() ;
  74     m_newClip = NewRgn() ;
  75     GetClip( m_formerClip ) ;
  76
  77     if ( win )
  78     {
  79 #if 0
  80         // this clipping area was set to the parent window's drawing area, lead to problems
  81         // with MacOSX controls drawing outside their wx' rectangle
  82         RgnHandle insidergn = NewRgn() ;
  83         int x = 0 , y = 0;
  84         wxWindow *parent = win->GetParent() ;
  85         parent->MacWindowToRootWindow( &x,&y ) ;
  86         wxSize size = parent->GetSize() ;
  87         SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
  88             size.x - parent->MacGetRightBorderSize(),
  89             size.y - parent->MacGetBottomBorderSize()) ;
  90         CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
  91         SectRgn( m_newClip , insidergn , m_newClip ) ;
  92         OffsetRgn( m_newClip , x , y ) ;
  93         SetClip( m_newClip ) ;
  94         DisposeRgn( insidergn ) ;
  95 #else
  96         int x = 0 , y = 0;
  97         win->MacWindowToRootWindow( &x,&y ) ;
  98         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion().GetWXHRGN() , m_newClip ) ;
  99         OffsetRgn( m_newClip , x , y ) ;
 100         SetClip( m_newClip ) ;
 101 #endif
 102     }
 103 }
 104
 105 wxMacWindowClipper::~wxMacWindowClipper()
 106 {
 107     SetClip( m_formerClip ) ;
 108     DisposeRgn( m_newClip ) ;
 109     DisposeRgn( m_formerClip ) ;
 110 }
 111
 112 //-----------------------------------------------------------------------------
 113 // Local functions
 114 //-----------------------------------------------------------------------------
 115 static inline double dmin(double a, double b) { return a < b ? a : b; }
 116 static inline double dmax(double a, double b) { return a > b ? a : b; }
 117 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 118
 119 //-----------------------------------------------------------------------------
 120 // wxDC
 121 //-----------------------------------------------------------------------------
 122 // this function emulates all wx colour manipulations, used to verify the implementation
 123 // by setting the mode in the blitting functions to kEmulatedMode
 124 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 125
 126 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 127 {
 128     switch ( logical_func )
 129     {
 130         case wxAND:        // src AND dst
 131             dstColor.red = dstColor.red & srcColor.red ;
 132             dstColor.green = dstColor.green & srcColor.green ;
 133             dstColor.blue = dstColor.blue & srcColor.blue ;
 134             break ;
 135         case wxAND_INVERT: // (NOT src) AND dst
 136             dstColor.red = dstColor.red & ~srcColor.red ;
 137             dstColor.green = dstColor.green & ~srcColor.green ;
 138             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 139             break ;
 140         case wxAND_REVERSE:// src AND (NOT dst)
 141             dstColor.red = ~dstColor.red & srcColor.red ;
 142             dstColor.green = ~dstColor.green & srcColor.green ;
 143             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 144             break ;
 145         case wxCLEAR:      // 0
 146             dstColor.red = 0 ;
 147             dstColor.green = 0 ;
 148             dstColor.blue = 0 ;
 149             break ;
 150         case wxCOPY:       // src
 151             dstColor.red = srcColor.red ;
 152             dstColor.green = srcColor.green ;
 153             dstColor.blue = srcColor.blue ;
 154             break ;
 155         case wxEQUIV:      // (NOT src) XOR dst
 156             dstColor.red = dstColor.red ^ ~srcColor.red ;
 157             dstColor.green = dstColor.green ^ ~srcColor.green ;
 158             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 159             break ;
 160         case wxINVERT:     // NOT dst
 161             dstColor.red = ~dstColor.red ;
 162             dstColor.green = ~dstColor.green ;
 163             dstColor.blue = ~dstColor.blue ;
 164             break ;
 165         case wxNAND:       // (NOT src) OR (NOT dst)
 166             dstColor.red = ~dstColor.red | ~srcColor.red ;
 167             dstColor.green = ~dstColor.green | ~srcColor.green ;
 168             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 169             break ;
 170         case wxNOR:        // (NOT src) AND (NOT dst)
 171             dstColor.red = ~dstColor.red & ~srcColor.red ;
 172             dstColor.green = ~dstColor.green & ~srcColor.green ;
 173             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 174             break ;
 175         case wxNO_OP:      // dst
 176             break ;
 177         case wxOR:         // src OR dst
 178             dstColor.red = dstColor.red | srcColor.red ;
 179             dstColor.green = dstColor.green | srcColor.green ;
 180             dstColor.blue = dstColor.blue | srcColor.blue ;
 181             break ;
 182         case wxOR_INVERT:  // (NOT src) OR dst
 183             dstColor.red = dstColor.red | ~srcColor.red ;
 184             dstColor.green = dstColor.green | ~srcColor.green ;
 185             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 186             break ;
 187         case wxOR_REVERSE: // src OR (NOT dst)
 188             dstColor.red = ~dstColor.red | srcColor.red ;
 189             dstColor.green = ~dstColor.green | srcColor.green ;
 190             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 191             break ;
 192         case wxSET:        // 1
 193             dstColor.red = 0xFFFF ;
 194             dstColor.green = 0xFFFF ;
 195             dstColor.blue = 0xFFFF ;
 196             break ;
 197         case wxSRC_INVERT: // (NOT src)
 198             dstColor.red = ~srcColor.red ;
 199             dstColor.green = ~srcColor.green ;
 200             dstColor.blue = ~srcColor.blue ;
 201             break ;
 202         case wxXOR:        // src XOR dst
 203             dstColor.red = dstColor.red ^ srcColor.red ;
 204             dstColor.green = dstColor.green ^ srcColor.green ;
 205             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 206             break ;
 207     }
 208 }
 209
 210 wxDC::wxDC()
 211 {
 212     m_ok = FALSE;
 213     m_colour = TRUE;
 214     m_mm_to_pix_x = mm2pt;
 215     m_mm_to_pix_y = mm2pt;
 216     m_internalDeviceOriginX = 0;
 217     m_internalDeviceOriginY = 0;
 218     m_externalDeviceOriginX = 0;
 219     m_externalDeviceOriginY = 0;
 220     m_logicalScaleX = 1.0;
 221     m_logicalScaleY = 1.0;
 222     m_userScaleX = 1.0;
 223     m_userScaleY = 1.0;
 224     m_scaleX = 1.0;
 225     m_scaleY = 1.0;
 226     m_needComputeScaleX = FALSE;
 227     m_needComputeScaleY = FALSE;
 228     m_macPort = NULL ;
 229     m_macMask = NULL ;
 230     m_ok = FALSE ;
 231     m_macFontInstalled = false ;
 232     m_macBrushInstalled = false ;
 233     m_macPenInstalled = false ;
 234     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 235     m_macBoundaryClipRgn = NewRgn() ;
 236     m_macCurrentClipRgn = NewRgn() ;
 237     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 238     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 239     m_pen = *wxBLACK_PEN;
 240     m_font = *wxNORMAL_FONT;
 241     m_brush = *wxWHITE_BRUSH;
 242 #ifdef __WXDEBUG__
 243     // needed to debug possible errors with two active drawing methods at the same time on
 244     // the same DC
 245     m_macCurrentPortStateHelper = NULL ;
 246 #endif
 247     m_macATSUIStyle = NULL ;
 248     m_macAliasWasEnabled = false;
 249     m_macForegroundPixMap = NULL ;
 250     m_macBackgroundPixMap = NULL ;
 251 }
 252
 253 wxDC::~wxDC(void)
 254 {
 255     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 256     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 257 }
 258
 259 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 260 {
 261 #ifdef __WXDEBUG__
 262     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 263     m_macCurrentPortStateHelper = help ;
 264 #endif
 265     SetClip( (RgnHandle) m_macCurrentClipRgn);
 266     m_macFontInstalled = false ;
 267     m_macBrushInstalled = false ;
 268     m_macPenInstalled = false ;
 269 }
 270
 271 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 272 {
 273 #ifdef __WXDEBUG__
 274     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 275     m_macCurrentPortStateHelper = NULL ;
 276 #endif
 277     if( m_macATSUIStyle )
 278     {
 279         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 280         m_macATSUIStyle = NULL ;
 281     }
 282     if ( m_macAliasWasEnabled )
 283     {
 284         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 285         m_macAliasWasEnabled = false ;
 286     }
 287     if ( m_macForegroundPixMap )
 288     {
 289         Pattern blackColor ;
 290         ::PenPat(GetQDGlobalsBlack(&blackColor));
 291         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 292         m_macForegroundPixMap = NULL ;
 293     }
 294     if ( m_macBackgroundPixMap )
 295     {
 296         Pattern whiteColor ;
 297         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 298         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 299         m_macBackgroundPixMap = NULL ;
 300     }
 301 }
 302
 303 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 304 {
 305      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 306      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 307      wxMacPortSetter helper(this) ;
 308      wxCoord xx = XLOG2DEVMAC(x);
 309      wxCoord yy = YLOG2DEVMAC(y);
 310      wxCoord w = bmp.GetWidth();
 311      wxCoord h = bmp.GetHeight();
 312      wxCoord ww = XLOG2DEVREL(w);
 313      wxCoord hh = YLOG2DEVREL(h);
 314      // Set up drawing mode
 315      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 316                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 317                     //m_logicalFunction == wxSET ? BLACKNESS :
 318                     m_logicalFunction == wxINVERT ? hilite :
 319                    //m_logicalFunction == wxAND ? MERGECOPY :
 320                     m_logicalFunction == wxOR ? srcOr :
 321                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 322                     m_logicalFunction == wxXOR ? srcXor :
 323                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 324                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 325                     //m_logicalFunction == wxSRC_OR ? srcOr :
 326                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 327                     srcCopy );
 328      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 329          Rect bitmaprect = { 0 , 0 , hh, ww };
 330          ::OffsetRect( &bitmaprect, xx, yy ) ;
 331          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 332     }
 333      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 334      {
 335          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 336          PixMapHandle bmappixels ;
 337          // Set foreground and background colours (for bitmaps depth = 1)
 338          if(bmp.GetDepth() == 1)
 339         {
 340              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 341              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 342              RGBForeColor(&fore);
 343              RGBBackColor(&back);
 344          }
 345          else
 346          {
 347              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 348              RGBColor black = { 0,0,0} ;
 349              RGBForeColor( &black ) ;
 350              RGBBackColor( &white ) ;
 351          }
 352          bmappixels = GetGWorldPixMap( bmapworld ) ;
 353          wxCHECK_RET(LockPixels(bmappixels),
 354                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 355          Rect source = { 0, 0, h, w };
 356          Rect dest   = { yy, xx, yy + hh, xx + ww };
 357          if ( useMask && bmp.GetMask() )
 358          {
 359              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 360              {
 361                  CopyDeepMask
 362                      (
 363                       GetPortBitMapForCopyBits(bmapworld),
 364                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 365                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 366                       &source, &source, &dest, mode, NULL
 367                       );
 368                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 369              }
 370          }
 371          else {
 372              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 373                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 374                        &source, &dest, mode, NULL ) ;
 375          }
 376          UnlockPixels( bmappixels ) ;
 377      }
 378      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 379      {
 380         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 381         OffsetRect( &bitmaprect, xx, yy ) ;
 382         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 383      }
 384      m_macPenInstalled = false ;
 385      m_macBrushInstalled = false ;
 386      m_macFontInstalled = false ;
 387 }
 388
 389 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 390 {
 391     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 392     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 393     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 394 }
 395
 396 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 397 {
 398     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 399     wxCoord xx, yy, ww, hh;
 400     xx = XLOG2DEVMAC(x);
 401     yy = YLOG2DEVMAC(y);
 402     ww = XLOG2DEVREL(width);
 403     hh = YLOG2DEVREL(height);
 404     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 405     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 406     if( m_clipping )
 407     {
 408         m_clipX1 = wxMax( m_clipX1 , xx );
 409         m_clipY1 = wxMax( m_clipY1 , yy );
 410         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 411         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 412     }
 413     else
 414     {
 415         m_clipping = TRUE;
 416         m_clipX1 = xx;
 417         m_clipY1 = yy;
 418         m_clipX2 = xx + ww;
 419         m_clipY2 = yy + hh;
 420     }
 421 }
 422
 423 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 424 {
 425     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 426     if (region.Empty())
 427     {
 428         DestroyClippingRegion();
 429         return;
 430     }
 431     wxMacPortSetter helper(this) ;
 432     wxCoord x, y, w, h;
 433     region.GetBox( x, y, w, h );
 434     wxCoord xx, yy, ww, hh;
 435     xx = XLOG2DEVMAC(x);
 436     yy = YLOG2DEVMAC(y);
 437     ww = XLOG2DEVREL(w);
 438     hh = YLOG2DEVREL(h);
 439     // if we have a scaling that we cannot map onto native regions
 440     // we must use the box
 441     if ( ww != w || hh != h )
 442     {
 443         wxDC::DoSetClippingRegion( x, y, w, h );
 444     }
 445     else
 446     {
 447         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 448         if ( xx != x || yy != y )
 449         {
 450             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 451         }
 452         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 453         if( m_clipping )
 454         {
 455             m_clipX1 = wxMax( m_clipX1 , xx );
 456             m_clipY1 = wxMax( m_clipY1 , yy );
 457             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 458             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 459         }
 460         else
 461         {
 462             m_clipping = TRUE;
 463             m_clipX1 = xx;
 464             m_clipY1 = yy;
 465             m_clipX2 = xx + ww;
 466             m_clipY2 = yy + hh;
 467         }
 468     }
 469 }
 470
 471 void wxDC::DestroyClippingRegion()
 472 {
 473     wxMacPortSetter helper(this) ;
 474     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 475     m_clipping = FALSE;
 476 }
 477
 478 void wxDC::DoGetSizeMM( int* width, int* height ) const
 479 {
 480     int w = 0;
 481     int h = 0;
 482     GetSize( &w, &h );
 483     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 484     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 485 }
 486
 487 void wxDC::SetTextForeground( const wxColour &col )
 488 {
 489     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 490     m_textForegroundColour = col;
 491     m_macFontInstalled = false ;
 492 }
 493
 494 void wxDC::SetTextBackground( const wxColour &col )
 495 {
 496     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 497     m_textBackgroundColour = col;
 498     m_macFontInstalled = false ;
 499 }
 500
 501 void wxDC::SetMapMode( int mode )
 502 {
 503     switch (mode)
 504     {
 505     case wxMM_TWIPS:
 506         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 507         break;
 508     case wxMM_POINTS:
 509         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 510         break;
 511     case wxMM_METRIC:
 512         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 513         break;
 514     case wxMM_LOMETRIC:
 515         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 516         break;
 517     default:
 518     case wxMM_TEXT:
 519         SetLogicalScale( 1.0, 1.0 );
 520         break;
 521     }
 522     if (mode != wxMM_TEXT)
 523     {
 524         m_needComputeScaleX = TRUE;
 525         m_needComputeScaleY = TRUE;
 526     }
 527 }
 528
 529 void wxDC::SetUserScale( double x, double y )
 530 {
 531     // allow negative ? -> no
 532     m_userScaleX = x;
 533     m_userScaleY = y;
 534     ComputeScaleAndOrigin();
 535 }
 536
 537 void wxDC::SetLogicalScale( double x, double y )
 538 {
 539     // allow negative ?
 540     m_logicalScaleX = x;
 541     m_logicalScaleY = y;
 542     ComputeScaleAndOrigin();
 543 }
 544
 545 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 546 {
 547     m_logicalOriginX = x * m_signX;   // is this still correct ?
 548     m_logicalOriginY = y * m_signY;
 549     ComputeScaleAndOrigin();
 550 }
 551
 552 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 553 {
 554     m_externalDeviceOriginX = x;
 555     m_externalDeviceOriginY = y;
 556     ComputeScaleAndOrigin();
 557 }
 558
 559 #if 0
 560 void wxDC::SetInternalDeviceOrigin( long x, long y )
 561 {
 562     m_internalDeviceOriginX = x;
 563     m_internalDeviceOriginY = y;
 564     ComputeScaleAndOrigin();
 565 }
 566 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 567 {
 568     if (x) *x = m_internalDeviceOriginX;
 569     if (y) *y = m_internalDeviceOriginY;
 570 }
 571 #endif
 572
 573 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 574 {
 575     m_signX = (xLeftRight ?  1 : -1);
 576     m_signY = (yBottomUp  ? -1 :  1);
 577     ComputeScaleAndOrigin();
 578 }
 579
 580 wxSize wxDC::GetPPI() const
 581 {
 582     return wxSize(72, 72);
 583 }
 584
 585 int wxDC::GetDepth() const
 586 {
 587     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 588     {
 589         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 590     }
 591     return 1 ;
 592 }
 593
 594 void wxDC::ComputeScaleAndOrigin()
 595 {
 596     // CMB: copy scale to see if it changes
 597     double origScaleX = m_scaleX;
 598     double origScaleY = m_scaleY;
 599     m_scaleX = m_logicalScaleX * m_userScaleX;
 600     m_scaleY = m_logicalScaleY * m_userScaleY;
 601     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 602     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 603     // CMB: if scale has changed call SetPen to recalulate the line width
 604     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 605     {
 606         // this is a bit artificial, but we need to force wxDC to think
 607         // the pen has changed
 608         wxPen* pen = & GetPen();
 609         wxPen tempPen;
 610         m_pen = tempPen;
 611         SetPen(* pen);
 612     }
 613 }
 614
 615 void  wxDC::SetPalette( const wxPalette& palette )
 616 {
 617 }
 618
 619 void  wxDC::SetBackgroundMode( int mode )
 620 {
 621     m_backgroundMode = mode ;
 622 }
 623
 624 void  wxDC::SetFont( const wxFont &font )
 625 {
 626     m_font = font;
 627     m_macFontInstalled = false ;
 628 }
 629
 630 void  wxDC::SetPen( const wxPen &pen )
 631 {
 632     if ( m_pen == pen )
 633         return ;
 634     m_pen = pen;
 635     m_macPenInstalled = false ;
 636 }
 637
 638 void  wxDC::SetBrush( const wxBrush &brush )
 639 {
 640     if (m_brush == brush)
 641         return;
 642     m_brush = brush;
 643     m_macBrushInstalled = false ;
 644 }
 645
 646 void  wxDC::SetBackground( const wxBrush &brush )
 647 {
 648     if (m_backgroundBrush == brush)
 649         return;
 650     m_backgroundBrush = brush;
 651     if (!m_backgroundBrush.Ok())
 652         return;
 653     m_macBrushInstalled = false ;
 654 }
 655
 656 void  wxDC::SetLogicalFunction( int function )
 657 {
 658     if (m_logicalFunction == function)
 659         return;
 660     m_logicalFunction = function ;
 661     m_macFontInstalled = false ;
 662     m_macBrushInstalled = false ;
 663     m_macPenInstalled = false ;
 664 }
 665
 666 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 667                           const wxColour & col, int style);
 668
 669 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 670                        const wxColour& col, int style)
 671 {
 672     return wxDoFloodFill(this, x, y, col, style);
 673 }
 674
 675 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 676 {
 677     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 678     wxMacPortSetter helper(this) ;
 679     RGBColor colour;
 680     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 681     // Convert from Mac colour to wx
 682     col->Set( colour.red   >> 8,
 683         colour.green >> 8,
 684         colour.blue  >> 8);
 685     return true ;
 686 }
 687
 688 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 689 {
 690     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 691     wxMacPortSetter helper(this) ;
 692     if (m_pen.GetStyle() != wxTRANSPARENT)
 693     {
 694         MacInstallPen() ;
 695         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 696         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 697         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 698         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 699         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 700         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 701         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 702             (m_pen.GetWidth() <= 1))
 703         {
 704             // Implement LAST_NOT for MAC at least for
 705             // orthogonal lines. RR.
 706             if (xx1 == xx2)
 707             {
 708                 if (yy1 < yy2)
 709                     yy2--;
 710                 if (yy1 > yy2)
 711                     yy2++;
 712             }
 713             if (yy1 == yy2)
 714             {
 715                 if (xx1 < xx2)
 716                     xx2--;
 717                 if (xx1 > xx2)
 718                     xx2++;
 719             }
 720         }
 721         ::MoveTo(xx1, yy1);
 722         ::LineTo(xx2, yy2);
 723     }
 724 }
 725
 726 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 727 {
 728     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 729     wxMacPortSetter helper(this) ;
 730     if (m_pen.GetStyle() != wxTRANSPARENT)
 731     {
 732         int w = 0;
 733         int h = 0;
 734         GetSize( &w, &h );
 735         wxCoord xx = XLOG2DEVMAC(x);
 736         wxCoord yy = YLOG2DEVMAC(y);
 737         MacInstallPen();
 738         ::MoveTo( XLOG2DEVMAC(0), yy );
 739         ::LineTo( XLOG2DEVMAC(w), yy );
 740         ::MoveTo( xx, YLOG2DEVMAC(0) );
 741         ::LineTo( xx, YLOG2DEVMAC(h) );
 742         CalcBoundingBox(x, y);
 743         CalcBoundingBox(x+w, y+h);
 744     }
 745 }
 746
 747 /*
 748 * To draw arcs properly the angles need to be converted from the WX style:
 749 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 750 * a normal axis on paper).
 751 * TO
 752 * the Mac style:
 753 * Angles start on the +ve y axis and go clockwise.
 754 */
 755
 756 static double wxConvertWXangleToMACangle(double angle)
 757 {
 758     double newAngle = 90 - angle ;
 759     if ( newAngle < 0 )
 760         newAngle += 360 ;
 761     return newAngle ;
 762 }
 763
 764 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 765                       wxCoord x2, wxCoord y2,
 766                       wxCoord xc, wxCoord yc )
 767 {
 768     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 769     wxMacPortSetter helper(this) ;
 770     wxCoord xx1 = XLOG2DEVMAC(x1);
 771     wxCoord yy1 = YLOG2DEVMAC(y1);
 772     wxCoord xx2 = XLOG2DEVMAC(x2);
 773     wxCoord yy2 = YLOG2DEVMAC(y2);
 774     wxCoord xxc = XLOG2DEVMAC(xc);
 775     wxCoord yyc = YLOG2DEVMAC(yc);
 776     double dx = xx1 - xxc;
 777     double dy = yy1 - yyc;
 778     double radius = sqrt((double)(dx*dx+dy*dy));
 779     wxCoord rad   = (wxCoord)radius;
 780     double radius1, radius2;
 781     if (xx1 == xx2 && yy1 == yy2)
 782     {
 783         radius1 = 0.0;
 784         radius2 = 360.0;
 785     }
 786     else if (radius == 0.0)
 787     {
 788         radius1 = radius2 = 0.0;
 789     }
 790     else
 791     {
 792         radius1 = (xx1 - xxc == 0) ?
 793             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 794         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 795         radius2 = (xx2 - xxc == 0) ?
 796             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 797         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 798     }
 799     wxCoord alpha2 = wxCoord(radius2 - radius1);
 800     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 801     if( (xx1 > xx2) || (yy1 > yy2) ) {
 802         alpha2 *= -1;
 803     }
 804     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 805     if(m_brush.GetStyle() != wxTRANSPARENT) {
 806         MacInstallBrush();
 807         PaintArc(&r, alpha1, alpha2);
 808     }
 809     if(m_pen.GetStyle() != wxTRANSPARENT) {
 810         MacInstallPen();
 811         FrameArc(&r, alpha1, alpha2);
 812     }
 813 }
 814
 815 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 816                               double sa, double ea )
 817 {
 818     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 819     wxMacPortSetter helper(this) ;
 820     Rect r;
 821     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 822     // we have to make sure that the filling is always counter-clockwise
 823     if ( angle > 0 )
 824         angle -= 360 ;
 825     wxCoord xx = XLOG2DEVMAC(x);
 826     wxCoord yy = YLOG2DEVMAC(y);
 827     wxCoord ww = m_signX * XLOG2DEVREL(w);
 828     wxCoord hh = m_signY * YLOG2DEVREL(h);
 829     // handle -ve width and/or height
 830     if (ww < 0) { ww = -ww; xx = xx - ww; }
 831     if (hh < 0) { hh = -hh; yy = yy - hh; }
 832     sa = wxConvertWXangleToMACangle(sa);
 833     r.top    = yy;
 834     r.left   = xx;
 835     r.bottom = yy + hh;
 836     r.right  = xx + ww;
 837     if(m_brush.GetStyle() != wxTRANSPARENT) {
 838         MacInstallBrush();
 839         PaintArc(&r, (short)sa, (short)angle);
 840     }
 841     if(m_pen.GetStyle() != wxTRANSPARENT) {
 842         MacInstallPen();
 843         FrameArc(&r, (short)sa, (short)angle);
 844     }
 845 }
 846
 847 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 848 {
 849     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 850     wxMacPortSetter helper(this) ;
 851     if (m_pen.GetStyle() != wxTRANSPARENT)
 852     {
 853         wxCoord xx1 = XLOG2DEVMAC(x);
 854         wxCoord yy1 = YLOG2DEVMAC(y);
 855         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 856         ::SetCPixel( xx1,yy1,&pencolor) ;
 857         CalcBoundingBox(x, y);
 858     }
 859 }
 860
 861 void  wxDC::DoDrawLines(int n, wxPoint points[],
 862                         wxCoord xoffset, wxCoord yoffset)
 863 {
 864     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 865     wxMacPortSetter helper(this) ;
 866     if (m_pen.GetStyle() == wxTRANSPARENT)
 867         return;
 868     MacInstallPen() ;
 869     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 870     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 871     wxCoord x1, x2 , y1 , y2 ;
 872     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 873     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 874     ::MoveTo(x1 - offset, y1 - offset );
 875     for (int i = 0; i < n-1; i++)
 876     {
 877         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 878         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 879         ::LineTo( x2 - offset, y2 - offset );
 880     }
 881 }
 882
 883 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 884                           wxCoord xoffset, wxCoord yoffset,
 885                           int fillStyle )
 886 {
 887     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 888     wxMacPortSetter helper(this) ;
 889     wxCoord x1, x2 , y1 , y2 ;
 890     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 891         return ;
 892     PolyHandle polygon = OpenPoly();
 893     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 894     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 895     ::MoveTo(x1,y1);
 896     for (int i = 1; i < n; i++)
 897     {
 898         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 899         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 900         ::LineTo(x2, y2);
 901     }
 902     // close the polyline if necessary
 903     if ( x1 != x2 || y1 != y2 )
 904     {
 905         ::LineTo(x1,y1 ) ;
 906     }
 907     ClosePoly();
 908     if (m_brush.GetStyle() != wxTRANSPARENT)
 909     {
 910         MacInstallBrush();
 911         ::PaintPoly( polygon );
 912     }
 913     if (m_pen.GetStyle() != wxTRANSPARENT)
 914     {
 915         MacInstallPen() ;
 916         ::FramePoly( polygon ) ;
 917     }
 918     KillPoly( polygon );
 919 }
 920
 921 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 922 {
 923     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 924     wxMacPortSetter helper(this) ;
 925     wxCoord xx = XLOG2DEVMAC(x);
 926     wxCoord yy = YLOG2DEVMAC(y);
 927     wxCoord ww = m_signX * XLOG2DEVREL(width);
 928     wxCoord hh = m_signY * YLOG2DEVREL(height);
 929     // CMB: draw nothing if transformed w or h is 0
 930     if (ww == 0 || hh == 0)
 931         return;
 932     // CMB: handle -ve width and/or height
 933     if (ww < 0)
 934     {
 935         ww = -ww;
 936         xx = xx - ww;
 937     }
 938     if (hh < 0)
 939     {
 940         hh = -hh;
 941         yy = yy - hh;
 942     }
 943     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 944     if (m_brush.GetStyle() != wxTRANSPARENT)
 945     {
 946         MacInstallBrush() ;
 947         ::PaintRect( &rect ) ;
 948     }
 949     if (m_pen.GetStyle() != wxTRANSPARENT)
 950     {
 951         MacInstallPen() ;
 952         ::FrameRect( &rect ) ;
 953     }
 954 }
 955
 956 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 957                                    wxCoord width, wxCoord height,
 958                                    double radius)
 959 {
 960     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 961     wxMacPortSetter helper(this) ;
 962     if (radius < 0.0)
 963         radius = - radius * ((width < height) ? width : height);
 964     wxCoord xx = XLOG2DEVMAC(x);
 965     wxCoord yy = YLOG2DEVMAC(y);
 966     wxCoord ww = m_signX * XLOG2DEVREL(width);
 967     wxCoord hh = m_signY * YLOG2DEVREL(height);
 968     // CMB: draw nothing if transformed w or h is 0
 969     if (ww == 0 || hh == 0)
 970         return;
 971     // CMB: handle -ve width and/or height
 972     if (ww < 0)
 973     {
 974         ww = -ww;
 975         xx = xx - ww;
 976     }
 977     if (hh < 0)
 978     {
 979         hh = -hh;
 980         yy = yy - hh;
 981     }
 982     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 983     if (m_brush.GetStyle() != wxTRANSPARENT)
 984     {
 985         MacInstallBrush() ;
 986         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 987     }
 988     if (m_pen.GetStyle() != wxTRANSPARENT)
 989     {
 990         MacInstallPen() ;
 991         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 992     }
 993 }
 994
 995 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 996 {
 997     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 998     wxMacPortSetter helper(this) ;
 999     wxCoord xx = XLOG2DEVMAC(x);
1000     wxCoord yy = YLOG2DEVMAC(y);
1001     wxCoord ww = m_signX * XLOG2DEVREL(width);
1002     wxCoord hh = m_signY * YLOG2DEVREL(height);
1003     // CMB: draw nothing if transformed w or h is 0
1004     if (ww == 0 || hh == 0)
1005         return;
1006     // CMB: handle -ve width and/or height
1007     if (ww < 0)
1008     {
1009         ww = -ww;
1010         xx = xx - ww;
1011     }
1012     if (hh < 0)
1013     {
1014         hh = -hh;
1015         yy = yy - hh;
1016     }
1017     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1018     if (m_brush.GetStyle() != wxTRANSPARENT)
1019     {
1020         MacInstallBrush() ;
1021         ::PaintOval( &rect ) ;
1022     }
1023     if (m_pen.GetStyle() != wxTRANSPARENT)
1024     {
1025         MacInstallPen() ;
1026         ::FrameOval( &rect ) ;
1027     }
1028 }
1029
1030 bool  wxDC::CanDrawBitmap(void) const
1031 {
1032     return true ;
1033 }
1034
1035 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1036                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1037                    wxCoord xsrcMask,  wxCoord ysrcMask )
1038 {
1039     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1040     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1041     if ( logical_func == wxNO_OP )
1042         return TRUE ;
1043     if (xsrcMask == -1 && ysrcMask == -1)
1044     {
1045         xsrcMask = xsrc; ysrcMask = ysrc;
1046     }
1047     // correct the parameter in case this dc does not have a mask at all
1048     if ( useMask && !source->m_macMask )
1049         useMask = false ;
1050     Rect srcrect , dstrect ;
1051     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1052     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1053     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1054     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1055     dstrect.top = YLOG2DEVMAC(ydest) ;
1056     dstrect.left = XLOG2DEVMAC(xdest) ;
1057     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1058     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1059     short mode = kUnsupportedMode ;
1060     bool invertDestinationFirst = false ;
1061     switch ( logical_func )
1062     {
1063     case wxAND:        // src AND dst
1064         mode = adMin ; // ok
1065         break ;
1066     case wxAND_INVERT: // (NOT src) AND dst
1067         mode = notSrcOr  ; // ok
1068         break ;
1069     case wxAND_REVERSE:// src AND (NOT dst)
1070         invertDestinationFirst = true ;
1071         mode = srcOr ;
1072         break ;
1073     case wxCLEAR:      // 0
1074         mode = kEmulatedMode ;
1075         break ;
1076     case wxCOPY:       // src
1077         mode = srcCopy ; // ok
1078         break ;
1079     case wxEQUIV:      // (NOT src) XOR dst
1080         mode = srcXor ; // ok
1081         break ;
1082     case wxINVERT:     // NOT dst
1083         mode = kEmulatedMode ; //or hilite ;
1084         break ;
1085     case wxNAND:       // (NOT src) OR (NOT dst)
1086         invertDestinationFirst = true ;
1087         mode = srcBic ;
1088         break ;
1089     case wxNOR:        // (NOT src) AND (NOT dst)
1090         invertDestinationFirst = true ;
1091         mode = notSrcOr ;
1092         break ;
1093     case wxNO_OP:      // dst
1094         mode = kEmulatedMode ; // this has already been handled upon entry
1095         break ;
1096     case wxOR:         // src OR dst
1097         mode = notSrcBic ;
1098         break ;
1099     case wxOR_INVERT:  // (NOT src) OR dst
1100         mode = srcBic ;
1101         break ;
1102     case wxOR_REVERSE: // src OR (NOT dst)
1103         invertDestinationFirst = true ;
1104         mode = notSrcBic ;
1105         break ;
1106     case wxSET:        // 1
1107         mode = kEmulatedMode ;
1108         break ;
1109     case wxSRC_INVERT: // (NOT src)
1110         mode = notSrcCopy ; // ok
1111         break ;
1112     case wxXOR:        // src XOR dst
1113         mode = notSrcXor ; // ok
1114         break ;
1115     default :
1116         break ;
1117     }
1118     if ( mode == kUnsupportedMode )
1119     {
1120         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1121         return FALSE ;
1122     }
1123     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1124     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1125     if ( LockPixels(bmappixels) )
1126     {
1127         wxMacPortSetter helper(this) ;
1128         if ( source->GetDepth() == 1 )
1129         {
1130             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1131             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1132         }
1133         else
1134         {
1135             // the modes need this, otherwise we'll end up having really nice colors...
1136             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1137             RGBColor    black = { 0,0,0} ;
1138             RGBForeColor( &black ) ;
1139             RGBBackColor( &white ) ;
1140         }
1141         if ( useMask && source->m_macMask )
1142         {
1143             if ( mode == srcCopy )
1144             {
1145                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1146                 {
1147                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1148                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1149                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1150                         &srcrect, &srcrect , &dstrect ) ;
1151                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1152                 }
1153             }
1154             else
1155             {
1156                 RgnHandle clipRgn = NewRgn() ;
1157                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1158                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1159                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1160                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1161                 if ( mode == kEmulatedMode )
1162                 {
1163                     Pattern pat ;
1164                     ::PenPat(GetQDGlobalsBlack(&pat));
1165                     if ( logical_func == wxSET )
1166                     {
1167                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1168                         ::RGBForeColor( &col  ) ;
1169                         ::PaintRgn( clipRgn ) ;
1170                     }
1171                     else if ( logical_func == wxCLEAR )
1172                     {
1173                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1174                         ::RGBForeColor( &col  ) ;
1175                         ::PaintRgn( clipRgn ) ;
1176                     }
1177                     else if ( logical_func == wxINVERT )
1178                     {
1179                         MacInvertRgn( clipRgn ) ;
1180                     }
1181                     else
1182                     {
1183                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1184                         {
1185                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1186                             {
1187                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1188                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1189                                 if ( PtInRgn( dstPoint , clipRgn ) )
1190                                 {
1191                                     RGBColor srcColor ;
1192                                     RGBColor dstColor ;
1193                                     SetPort( (GrafPtr) sourcePort ) ;
1194                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1195                                     SetPort( (GrafPtr) m_macPort ) ;
1196                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1197                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1198                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1199                                 }
1200                             }
1201                         }
1202                     }
1203                 }
1204                 else
1205                 {
1206                     if ( invertDestinationFirst )
1207                     {
1208                         MacInvertRgn( clipRgn ) ;
1209                     }
1210                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1211                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1212                         &srcrect, &dstrect, mode, clipRgn ) ;
1213                 }
1214                 DisposeRgn( clipRgn ) ;
1215             }
1216         }
1217         else
1218         {
1219             RgnHandle clipRgn = NewRgn() ;
1220             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1221             if ( mode == kEmulatedMode )
1222             {
1223                 Pattern pat ;
1224                 ::PenPat(GetQDGlobalsBlack(&pat));
1225                 if ( logical_func == wxSET )
1226                 {
1227                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1228                     ::RGBForeColor( &col  ) ;
1229                     ::PaintRgn( clipRgn ) ;
1230                 }
1231                 else if ( logical_func == wxCLEAR )
1232                 {
1233                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1234                     ::RGBForeColor( &col  ) ;
1235                     ::PaintRgn( clipRgn ) ;
1236                 }
1237                 else if ( logical_func == wxINVERT )
1238                 {
1239                     MacInvertRgn( clipRgn ) ;
1240                 }
1241                 else
1242                 {
1243                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1244                     {
1245                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1246                         {
1247                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1248                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1249                             {
1250                                 RGBColor srcColor ;
1251                                 RGBColor dstColor ;
1252                                 SetPort( (GrafPtr) sourcePort ) ;
1253                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1254                                 SetPort( (GrafPtr) m_macPort ) ;
1255                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1256                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1257                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1258                             }
1259                         }
1260                     }
1261                 }
1262             }
1263             else
1264             {
1265                 if ( invertDestinationFirst )
1266                 {
1267                     MacInvertRgn( clipRgn ) ;
1268                 }
1269                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1270                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1271                     &srcrect, &dstrect, mode, NULL ) ;
1272             }
1273             DisposeRgn( clipRgn ) ;
1274         }
1275         UnlockPixels( bmappixels ) ;
1276     }
1277     m_macPenInstalled = false ;
1278     m_macBrushInstalled = false ;
1279     m_macFontInstalled = false ;
1280     return TRUE;
1281 }
1282
1283 #ifndef FixedToInt
1284 // as macro in FixMath.h for 10.3
1285 inline Fixed    IntToFixed( int inInt )
1286 {
1287     return (((SInt32) inInt) << 16);
1288 }
1289
1290 inline int    FixedToInt( Fixed inFixed )
1291 {
1292     return (((SInt32) inFixed) >> 16);
1293 }
1294 #endif
1295
1296 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1297                               double angle)
1298 {
1299     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1300
1301     if (angle == 0.0 )
1302     {
1303         DrawText(str, x, y);
1304         return;
1305     }
1306
1307     if ( str.Length() == 0 )
1308         return ;
1309
1310     wxMacPortSetter helper(this) ;
1311     MacInstallFont() ;
1312
1313     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1314     if ( 0 )
1315     {
1316         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1317         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * font->m_macFontSize));
1318         m_macAliasWasEnabled = true ;
1319     }
1320     OSStatus status = noErr ;
1321     ATSUTextLayout atsuLayout ;
1322     UniCharCount chars = str.Length() ;
1323 #if wxUSE_UNICODE
1324     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1325         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1326 #else
1327     TECObjectRef ec;
1328     status = TECCreateConverter(&ec,
1329                                 wxApp::s_macDefaultEncodingIsPC
1330                                     ? (int)kTextEncodingWindowsLatin1
1331                                     : (int)kTextEncodingMacRoman,
1332                                 kTextEncodingUnicodeDefault);
1333
1334     wxASSERT_MSG( status == noErr , wxT("couldn't start converter") ) ;
1335     ByteCount byteOutLen ;
1336     ByteCount byteInLen = str.Length() ;
1337     ByteCount byteBufferLen = byteInLen *2 ;
1338     char* buf = new char[byteBufferLen] ;
1339     status = TECConvertText(ec, (ConstTextPtr)str.c_str() , byteInLen, &byteInLen,
1340         (TextPtr)buf, byteBufferLen, &byteOutLen);
1341     wxASSERT_MSG( status == noErr , wxT("couldn't convert text") ) ;
1342     status = TECDisposeConverter(ec);
1343     wxASSERT_MSG( status == noErr , wxT("couldn't dispose converter") ) ;
1344     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1345         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1346 #endif
1347     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1348     int iAngle = int( angle );
1349     int drawX = XLOG2DEVMAC(x) ;
1350     int drawY = YLOG2DEVMAC(y) ;
1351
1352     ATSUTextMeasurement textBefore ;
1353     ATSUTextMeasurement textAfter ;
1354     ATSUTextMeasurement ascent ;
1355     ATSUTextMeasurement descent ;
1356
1357
1358     if ( abs(iAngle) > 0 )
1359     {
1360         Fixed atsuAngle = IntToFixed( iAngle ) ;
1361         ATSUAttributeTag atsuTags[] =
1362         {
1363             kATSULineRotationTag ,
1364         } ;
1365         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1366         {
1367             sizeof( Fixed ) ,
1368         } ;
1369         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1370         {
1371             &atsuAngle ,
1372         } ;
1373         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1374             atsuTags, atsuSizes, atsuValues ) ;
1375     }
1376     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1377         &textBefore , &textAfter, &ascent , &descent );
1378
1379     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1380     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1381     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1382         IntToFixed(drawX) , IntToFixed(drawY) );
1383     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1384     Rect rect ;
1385     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1386         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1387     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1388     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1389     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1390     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1391     ::ATSUDisposeTextLayout(atsuLayout);
1392 #if wxUSE_UNICODE
1393 #else
1394     delete[] buf ;
1395 #endif
1396 }
1397
1398 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1399 {
1400     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1401
1402     wxMacPortSetter helper(this) ;
1403     long xx = XLOG2DEVMAC(x);
1404     long yy = YLOG2DEVMAC(y);
1405 #if TARGET_CARBON
1406
1407     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1408     if ( IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1409         useDrawThemeText = false ;
1410 #endif
1411     MacInstallFont() ;
1412     if ( 0 )
1413     {
1414         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1415         SetAntiAliasedTextEnabled(true, 8);
1416         m_macAliasWasEnabled = true ;
1417     }
1418     FontInfo fi ;
1419     ::GetFontInfo( &fi ) ;
1420 #if TARGET_CARBON
1421     if ( !useDrawThemeText )
1422 #endif
1423         yy += fi.ascent ;
1424     ::MoveTo( xx , yy );
1425     if (  m_backgroundMode == wxTRANSPARENT )
1426     {
1427         ::TextMode( srcOr) ;
1428     }
1429     else
1430     {
1431         ::TextMode( srcCopy ) ;
1432     }
1433     int length = strtext.Length() ;
1434
1435     int laststop = 0 ;
1436     int i = 0 ;
1437     int line = 0 ;
1438     {
1439         while( i < length )
1440         {
1441             if( strtext[i] == 13 || strtext[i] == 10)
1442             {
1443                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1444 #if TARGET_CARBON
1445                 if ( useDrawThemeText )
1446                 {
1447                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1448                     wxMacCFStringHolder mString( linetext ) ;
1449                     if ( m_backgroundMode != wxTRANSPARENT )
1450                     {
1451                         Point bounds={0,0} ;
1452                         Rect background = frame ;
1453                         SInt16 baseline ;
1454                         ::GetThemeTextDimensions( mString,
1455                             kThemeCurrentPortFont,
1456                             kThemeStateActive,
1457                             false,
1458                             &bounds,
1459                             &baseline );
1460                         background.right = background.left + bounds.h ;
1461                         background.bottom = background.top + bounds.v ;
1462                         ::EraseRect( &background ) ;
1463                     }
1464                     ::DrawThemeTextBox( mString,
1465                         kThemeCurrentPortFont,
1466                         kThemeStateActive,
1467                         false,
1468                         &frame,
1469                         teJustLeft,
1470                         nil );
1471                     line++ ;
1472                 }
1473                 else
1474 #endif
1475                 {
1476                                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1477                     ::DrawText( text , 0 , strlen(text) ) ;
1478                     line++ ;
1479                     ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1480                 }
1481                 laststop = i+1 ;
1482             }
1483             i++ ;
1484         }
1485         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1486 #if TARGET_CARBON
1487         if ( useDrawThemeText )
1488         {
1489             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1490             wxMacCFStringHolder mString( linetext ) ;
1491
1492             if ( m_backgroundMode != wxTRANSPARENT )
1493             {
1494                 Point bounds={0,0} ;
1495                 Rect background = frame ;
1496                 SInt16 baseline ;
1497                 ::GetThemeTextDimensions( mString,
1498                     kThemeCurrentPortFont,
1499                     kThemeStateActive,
1500                     false,
1501                     &bounds,
1502                     &baseline );
1503                 background.right = background.left + bounds.h ;
1504                 background.bottom = background.top + bounds.v ;
1505                 ::EraseRect( &background ) ;
1506             }
1507             ::DrawThemeTextBox( mString,
1508                 kThemeCurrentPortFont,
1509                 kThemeStateActive,
1510                 false,
1511                 &frame,
1512                 teJustLeft,
1513                 nil );
1514         }
1515         else
1516 #endif
1517         {
1518                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1519             ::DrawText( text , 0 , strlen(text) ) ;
1520          }
1521     }
1522     ::TextMode( srcOr ) ;
1523 }
1524
1525 bool  wxDC::CanGetTextExtent() const
1526 {
1527     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1528     return true ;
1529 }
1530
1531 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1532                             wxCoord *descent, wxCoord *externalLeading ,
1533                             wxFont *theFont ) const
1534 {
1535     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1536     wxMacPortSetter helper(this) ;
1537     wxFont formerFont = m_font ;
1538     if ( theFont )
1539     {
1540         // work around the constness
1541         *((wxFont*)(&m_font)) = *theFont ;
1542     }
1543     MacInstallFont() ;
1544     FontInfo fi ;
1545     ::GetFontInfo( &fi ) ;
1546 #if TARGET_CARBON
1547     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1548         if ( IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1549         useGetThemeText = false ;
1550 #endif
1551     if ( height )
1552         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1553     if ( descent )
1554         *descent =YDEV2LOGREL( fi.descent );
1555     if ( externalLeading )
1556         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1557     int length = strtext.Length() ;
1558     /*
1559     const char *text = NULL ;
1560     wxString macText ;
1561     if ( wxApp::s_macDefaultEncodingIsPC )
1562     {
1563         macText = wxMacMakeMacStringFromPC( string ) ;
1564         text = macText ;
1565         length = macText.Length() ;
1566     }
1567     else
1568     {
1569         text = string ;
1570         length = string.Length() ;
1571     }
1572     */
1573     int laststop = 0 ;
1574     int i = 0 ;
1575     int curwidth = 0 ;
1576     if ( width )
1577     {
1578         *width = 0 ;
1579         while( i < length )
1580         {
1581             if( strtext[i] == 13 || strtext[i] == 10)
1582             {
1583                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1584                 if ( height )
1585                     *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1586 #if TARGET_CARBON
1587                 if ( useGetThemeText )
1588                 {
1589                     Point bounds={0,0} ;
1590                     SInt16 baseline ;
1591                     wxMacCFStringHolder mString( linetext ) ;
1592                     ::GetThemeTextDimensions( mString,
1593                         kThemeCurrentPortFont,
1594                         kThemeStateActive,
1595                         false,
1596                         &bounds,
1597                         &baseline );
1598                     curwidth = bounds.h ;
1599                 }
1600                 else
1601 #endif
1602                 {
1603                                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1604                         curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1605                 }
1606                 if ( curwidth > *width )
1607                     *width = XDEV2LOGREL( curwidth ) ;
1608                 laststop = i+1 ;
1609             }
1610             i++ ;
1611         }
1612
1613         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1614 #if TARGET_CARBON
1615         if ( useGetThemeText )
1616         {
1617             Point bounds={0,0} ;
1618             SInt16 baseline ;
1619             wxMacCFStringHolder mString( linetext ) ;
1620             ::GetThemeTextDimensions( mString,
1621                 kThemeCurrentPortFont,
1622                 kThemeStateActive,
1623                 false,
1624                 &bounds,
1625                 &baseline );
1626             curwidth = bounds.h ;
1627         }
1628         else
1629 #endif
1630         {
1631                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1632             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1633         }
1634         if ( curwidth > *width )
1635             *width = XDEV2LOGREL( curwidth ) ;
1636     }
1637     if ( theFont )
1638     {
1639         // work around the constness
1640         *((wxFont*)(&m_font)) = formerFont ;
1641         m_macFontInstalled = false ;
1642     }
1643 }
1644
1645 wxCoord   wxDC::GetCharWidth(void) const
1646 {
1647     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1648     wxMacPortSetter helper(this) ;
1649     MacInstallFont() ;
1650     int width = 0 ;
1651 #if TARGET_CARBON
1652     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1653     if ( ((wxFont*)&m_font)->GetNoAntiAliasing() )
1654         useGetThemeText = false ;
1655 #endif
1656     char text[] = "H" ;
1657 #if TARGET_CARBON
1658     if ( useGetThemeText )
1659     {
1660         Point bounds={0,0} ;
1661         SInt16 baseline ;
1662         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1663         ::GetThemeTextDimensions( mString,
1664             kThemeCurrentPortFont,
1665             kThemeStateActive,
1666             false,
1667             &bounds,
1668             &baseline );
1669         CFRelease( mString ) ;
1670         width = bounds.h ;
1671     }
1672     else
1673 #endif
1674     {
1675         width = ::TextWidth( text , 0 , 1 ) ;
1676     }
1677     return YDEV2LOGREL(width) ;
1678 }
1679
1680 wxCoord   wxDC::GetCharHeight(void) const
1681 {
1682     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1683     wxMacPortSetter helper(this) ;
1684     MacInstallFont() ;
1685     FontInfo fi ;
1686     ::GetFontInfo( &fi ) ;
1687     return YDEV2LOGREL( fi.descent + fi.ascent );
1688 }
1689
1690 void  wxDC::Clear(void)
1691 {
1692     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1693     wxMacPortSetter helper(this) ;
1694     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1695     if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1696     {
1697         ::PenNormal() ;
1698         //MacInstallBrush() ;
1699         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1700         ::EraseRect( &rect ) ;
1701     }
1702 }
1703
1704 void wxDC::MacInstallFont() const
1705 {
1706     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1707     //    if ( m_macFontInstalled )
1708     //        return ;
1709     Pattern blackColor ;
1710     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1711     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1712     if ( font )
1713     {
1714         ::TextFont( font->m_macFontNum ) ;
1715         ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1716         ::TextFace( font->m_macFontStyle ) ;
1717         m_macFontInstalled = true ;
1718         m_macBrushInstalled = false ;
1719         m_macPenInstalled = false ;
1720         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1721         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1722         ::RGBForeColor( &forecolor );
1723         ::RGBBackColor( &backcolor );
1724     }
1725     else
1726     {
1727         FontFamilyID fontId ;
1728         Str255 fontName ;
1729         SInt16 fontSize ;
1730         Style fontStyle ;
1731         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1732         GetFNum( fontName, &fontId );
1733         ::TextFont( fontId ) ;
1734         ::TextSize( short(m_scaleY * fontSize) ) ;
1735         ::TextFace( fontStyle ) ;
1736         // todo reset after spacing changes - or store the current spacing somewhere
1737         m_macFontInstalled = true ;
1738         m_macBrushInstalled = false ;
1739         m_macPenInstalled = false ;
1740         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1741         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1742         ::RGBForeColor( &forecolor );
1743         ::RGBBackColor( &backcolor );
1744     }
1745     short mode = patCopy ;
1746     // todo :
1747     switch( m_logicalFunction )
1748     {
1749     case wxCOPY:       // src
1750         mode = patCopy ;
1751         break ;
1752     case wxINVERT:     // NOT dst
1753         ::PenPat(GetQDGlobalsBlack(&blackColor));
1754         mode = patXor ;
1755         break ;
1756     case wxXOR:        // src XOR dst
1757         mode = patXor ;
1758         break ;
1759     case wxOR_REVERSE: // src OR (NOT dst)
1760         mode = notPatOr ;
1761         break ;
1762     case wxSRC_INVERT: // (NOT src)
1763         mode = notPatCopy ;
1764         break ;
1765     case wxAND: // src AND dst
1766         mode = adMin ;
1767         break ;
1768         // unsupported TODO
1769     case wxCLEAR:      // 0
1770     case wxAND_REVERSE:// src AND (NOT dst)
1771     case wxAND_INVERT: // (NOT src) AND dst
1772     case wxNO_OP:      // dst
1773     case wxNOR:        // (NOT src) AND (NOT dst)
1774     case wxEQUIV:      // (NOT src) XOR dst
1775     case wxOR_INVERT:  // (NOT src) OR dst
1776     case wxNAND:       // (NOT src) OR (NOT dst)
1777     case wxOR:         // src OR dst
1778     case wxSET:        // 1
1779         //        case wxSRC_OR:     // source _bitmap_ OR destination
1780         //        case wxSRC_AND:     // source _bitmap_ AND destination
1781         break ;
1782     }
1783     ::PenMode( mode ) ;
1784     OSStatus status = noErr ;
1785     Fixed atsuSize = IntToFixed( int(m_scaleY * font->m_macFontSize) ) ;
1786     Style qdStyle = font->m_macFontStyle ;
1787     ATSUFontID    atsuFont = font->m_macATSUFontID ;
1788     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1789     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1790     ATSUAttributeTag atsuTags[] =
1791     {
1792         kATSUFontTag ,
1793             kATSUSizeTag ,
1794             //        kATSUColorTag ,
1795             //        kATSUBaselineClassTag ,
1796             kATSUVerticalCharacterTag,
1797             kATSUQDBoldfaceTag ,
1798             kATSUQDItalicTag ,
1799             kATSUQDUnderlineTag ,
1800             kATSUQDCondensedTag ,
1801             kATSUQDExtendedTag ,
1802     } ;
1803     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1804     {
1805         sizeof( ATSUFontID ) ,
1806             sizeof( Fixed ) ,
1807             //        sizeof( RGBColor ) ,
1808             //        sizeof( BslnBaselineClass ) ,
1809             sizeof( ATSUVerticalCharacterType),
1810             sizeof( Boolean ) ,
1811             sizeof( Boolean ) ,
1812             sizeof( Boolean ) ,
1813             sizeof( Boolean ) ,
1814             sizeof( Boolean ) ,
1815     } ;
1816     Boolean kTrue = true ;
1817     Boolean kFalse = false ;
1818     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1819     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1820     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1821     {
1822         &atsuFont ,
1823             &atsuSize ,
1824             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1825             //        &kBaselineDefault ,
1826             &kHorizontal,
1827             (qdStyle & bold) ? &kTrue : &kFalse ,
1828             (qdStyle & italic) ? &kTrue : &kFalse ,
1829             (qdStyle & underline) ? &kTrue : &kFalse ,
1830             (qdStyle & condense) ? &kTrue : &kFalse ,
1831             (qdStyle & extend) ? &kTrue : &kFalse ,
1832     } ;
1833     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1834         atsuTags, atsuSizes, atsuValues);
1835     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1836 }
1837
1838 Pattern gHatchPatterns[] =
1839 {
1840     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } },
1841     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } },
1842     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } },
1843     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } },
1844     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } },
1845     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } },
1846     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } }
1847 } ;
1848
1849 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1850 {
1851     int theIndex = 1 ;
1852     switch(hatchStyle)
1853     {
1854     case wxBDIAGONAL_HATCH:
1855         theIndex = 2;
1856         break;
1857     case wxFDIAGONAL_HATCH:
1858         theIndex = 3;
1859         break;
1860     case wxCROSS_HATCH:
1861         theIndex = 4;
1862         break;
1863     case wxHORIZONTAL_HATCH:
1864         theIndex = 5;
1865         break;
1866     case wxVERTICAL_HATCH:
1867         theIndex = 6;
1868         break;
1869     case wxCROSSDIAG_HATCH:
1870         theIndex = 7;
1871         break;
1872     default:
1873         theIndex = 1; // solid pattern
1874         break;
1875     }
1876     *pattern = gHatchPatterns[theIndex-1] ;
1877 }
1878
1879 void wxDC::MacInstallPen() const
1880 {
1881     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1882     Pattern     blackColor;
1883     //    if ( m_macPenInstalled )
1884     //        return ;
1885     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1886     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1887     ::RGBForeColor( &forecolor );
1888     ::RGBBackColor( &backcolor );
1889     ::PenNormal() ;
1890     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1891     // null means only one pixel, at whatever resolution
1892     if ( penWidth == 0 )
1893         penWidth = 1 ;
1894     ::PenSize(penWidth, penWidth);
1895     int penStyle = m_pen.GetStyle();
1896     if (penStyle == wxSOLID)
1897     {
1898         ::PenPat(GetQDGlobalsBlack(&blackColor));
1899     }
1900     else if (IS_HATCH(penStyle))
1901     {
1902         Pattern pat ;
1903         wxMacGetHatchPattern(penStyle, &pat);
1904         ::PenPat(&pat);
1905     }
1906     else
1907     {
1908         Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
1909         switch( penStyle )
1910         {
1911         case wxDOT :
1912             for ( int i = 0 ; i < 8 ; ++i )
1913             {
1914                 pat.pat[i] = 0xCC ;
1915             }
1916             break ;
1917         case wxLONG_DASH :
1918             for ( int i = 0 ; i < 8 ; ++i )
1919             {
1920                 pat.pat[i] = 0xFE ;
1921             }
1922             break ;
1923         case wxSHORT_DASH :
1924             for ( int i = 0 ; i < 8 ; ++i )
1925             {
1926                 pat.pat[i] = 0xEE ;
1927             }
1928             break ;
1929         case wxDOT_DASH :
1930             for ( int i = 0 ; i < 8 ; ++i )
1931             {
1932                 pat.pat[i] = 0x6F ;
1933             }
1934             break ;
1935         case wxUSER_DASH :
1936             {
1937                 wxDash* dash ;
1938                 m_pen.GetDashes(&dash) ;
1939                 // right now we don't allocate larger pixmaps
1940                 // int number =
1941                 m_pen.GetDashes(&dash) ;
1942                 for ( int i = 0 ; i < 8 ; ++i )
1943                 {
1944                     pat.pat[i] = dash[0] ;
1945                 }
1946             }
1947             break ;
1948         }
1949         ::PenPat(&pat);
1950     }
1951     short mode = patCopy ;
1952     // todo :
1953     switch( m_logicalFunction )
1954     {
1955     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1956         mode = patOr ;
1957         break ;
1958     case wxINVERT:     // NOT dst
1959         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1960         mode = patXor ;
1961         break ;
1962     case wxXOR:        // src XOR dst
1963         mode = patXor ;
1964         break ;
1965     case wxOR_REVERSE: // src OR (NOT dst)
1966         mode = notPatOr ;
1967         break ;
1968     case wxSRC_INVERT: // (NOT src)
1969         mode = notPatCopy ;
1970         break ;
1971     case wxAND: // src AND dst
1972         mode = adMin ;
1973         break ;
1974         // unsupported TODO
1975     case wxCLEAR:      // 0
1976     case wxAND_REVERSE:// src AND (NOT dst)
1977     case wxAND_INVERT: // (NOT src) AND dst
1978     case wxNO_OP:      // dst
1979     case wxNOR:        // (NOT src) AND (NOT dst)
1980     case wxEQUIV:      // (NOT src) XOR dst
1981     case wxOR_INVERT:  // (NOT src) OR dst
1982     case wxNAND:       // (NOT src) OR (NOT dst)
1983     case wxOR:         // src OR dst
1984     case wxSET:        // 1
1985         //        case wxSRC_OR:     // source _bitmap_ OR destination
1986         //        case wxSRC_AND:     // source _bitmap_ AND destination
1987         break ;
1988     }
1989     ::PenMode( mode ) ;
1990     m_macPenInstalled = true ;
1991     m_macBrushInstalled = false ;
1992     m_macFontInstalled = false ;
1993 }
1994
1995 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1996 {
1997     Pattern whiteColor ;
1998     switch( background.MacGetBrushKind() )
1999     {
2000     case kwxMacBrushTheme :
2001         {
2002             ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
2003             break ;
2004         }
2005     case kwxMacBrushThemeBackground :
2006         {
2007             Rect extent ;
2008             ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
2009             ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2010             break ;
2011         }
2012     case kwxMacBrushColour :
2013         {
2014                ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2015             int brushStyle = background.GetStyle();
2016             if (brushStyle == wxSOLID)
2017                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2018             else if (IS_HATCH(brushStyle))
2019             {
2020                 Pattern pat ;
2021                 wxMacGetHatchPattern(brushStyle, &pat);
2022                 ::BackPat(&pat);
2023             }
2024             else
2025             {
2026                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2027             }
2028             break ;
2029         }
2030     }
2031 }
2032
2033 void wxDC::MacInstallBrush() const
2034 {
2035     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2036     Pattern     blackColor ;
2037     //    if ( m_macBrushInstalled )
2038     //        return ;
2039     // foreground
2040     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2041     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2042     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2043     int brushStyle = m_brush.GetStyle();
2044     if (brushStyle == wxSOLID)
2045     {
2046         ::PenPat(GetQDGlobalsBlack(&blackColor));
2047     }
2048     else if (IS_HATCH(brushStyle))
2049     {
2050         Pattern pat ;
2051         wxMacGetHatchPattern(brushStyle, &pat);
2052         ::PenPat(&pat);
2053     }
2054     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2055     {
2056         // we force this in order to be compliant with wxMSW
2057         backgroundTransparent = false ;
2058         // for these the text fore (and back for MASK_OPAQUE) colors are used
2059         wxBitmap* bitmap = m_brush.GetStipple() ;
2060         int width = bitmap->GetWidth() ;
2061         int height = bitmap->GetHeight() ;
2062         GWorldPtr gw = NULL ;
2063         if ( m_brush.GetStyle() == wxSTIPPLE )
2064             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2065         else
2066             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2067         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2068         LockPixels( gwpixmaphandle ) ;
2069         bool isMonochrome = !IsPortColor( gw ) ;
2070         if ( !isMonochrome )
2071         {
2072             if ( (**gwpixmaphandle).pixelSize == 1 )
2073                 isMonochrome = true ;
2074         }
2075         if ( isMonochrome && width == 8 && height == 8 )
2076         {
2077             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2078             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2079             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2080             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2081             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2082             Pattern pat ;
2083             for ( int i = 0 ; i < 8 ; ++i )
2084             {
2085                 pat.pat[i] = gwbits[i*alignment+0] ;
2086             }
2087             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2088             ::PenPat( &pat ) ;
2089         }
2090         else
2091         {
2092             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2093             // caching scheme before putting this into production
2094             Handle      image;
2095             long        imageSize;
2096             PixPatHandle pixpat = NewPixPat() ;
2097             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2098             imageSize = GetPixRowBytes((**pixpat).patMap) *
2099                 ((**(**pixpat).patMap).bounds.bottom -
2100                 (**(**pixpat).patMap).bounds.top);
2101             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2102             (**pixpat).patData = image;
2103             if ( isMonochrome )
2104             {
2105                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2106                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2107                 if ( ctspec[0].rgb.red == 0x0000 )
2108                 {
2109                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2110                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2111                 }
2112                 else
2113                 {
2114                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2115                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2116                 }
2117                 ::CTabChanged( ctable ) ;
2118             }
2119             ::PenPixPat(pixpat);
2120             m_macForegroundPixMap = pixpat ;
2121         }
2122         UnlockPixels( gwpixmaphandle ) ;
2123     }
2124     else
2125     {
2126         ::PenPat(GetQDGlobalsBlack(&blackColor));
2127     }
2128     short mode = patCopy ;
2129     switch( m_logicalFunction )
2130     {
2131     case wxCOPY:       // src
2132         if ( backgroundTransparent )
2133             mode = patOr ;
2134         else
2135             mode = patCopy ;
2136         break ;
2137     case wxINVERT:     // NOT dst
2138         if ( !backgroundTransparent )
2139         {
2140             ::PenPat(GetQDGlobalsBlack(&blackColor));
2141         }
2142         mode = patXor ;
2143         break ;
2144     case wxXOR:        // src XOR dst
2145         mode = patXor ;
2146         break ;
2147     case wxOR_REVERSE: // src OR (NOT dst)
2148         mode = notPatOr ;
2149         break ;
2150     case wxSRC_INVERT: // (NOT src)
2151         mode = notPatCopy ;
2152         break ;
2153     case wxAND: // src AND dst
2154         mode = adMin ;
2155         break ;
2156         // unsupported TODO
2157     case wxCLEAR:      // 0
2158     case wxAND_REVERSE:// src AND (NOT dst)
2159     case wxAND_INVERT: // (NOT src) AND dst
2160     case wxNO_OP:      // dst
2161     case wxNOR:        // (NOT src) AND (NOT dst)
2162     case wxEQUIV:      // (NOT src) XOR dst
2163     case wxOR_INVERT:  // (NOT src) OR dst
2164     case wxNAND:       // (NOT src) OR (NOT dst)
2165     case wxOR:         // src OR dst
2166     case wxSET:        // 1
2167         //        case wxSRC_OR:     // source _bitmap_ OR destination
2168         //        case wxSRC_AND:     // source _bitmap_ AND destination
2169         break ;
2170     }
2171     ::PenMode( mode ) ;
2172     m_macBrushInstalled = true ;
2173     m_macPenInstalled = false ;
2174     m_macFontInstalled = false ;
2175 }
2176
2177 // ---------------------------------------------------------------------------
2178 // coordinates transformations
2179 // ---------------------------------------------------------------------------
2180
2181 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2182 {
2183     return ((wxDC *)this)->XDEV2LOG(x);
2184 }
2185
2186 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2187 {
2188     return ((wxDC *)this)->YDEV2LOG(y);
2189 }
2190
2191 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2192 {
2193     return ((wxDC *)this)->XDEV2LOGREL(x);
2194 }
2195
2196 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2197 {
2198     return ((wxDC *)this)->YDEV2LOGREL(y);
2199 }
2200
2201 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2202 {
2203     return ((wxDC *)this)->XLOG2DEV(x);
2204 }
2205
2206 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2207 {
2208     return ((wxDC *)this)->YLOG2DEV(y);
2209 }
2210
2211 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2212 {
2213     return ((wxDC *)this)->XLOG2DEVREL(x);
2214 }
2215
2216 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2217 {
2218     return ((wxDC *)this)->YLOG2DEVREL(y);
2219 }