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
  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/region.h"
  21 #include "wx/image.h"
  22
  23
  24 #if __MSL__ >= 0x6000
  25 #include "math.h"
  26 using namespace std ;
  27 #endif
  28
  29 #include "wx/mac/private.h"
  30 #include "ATSUnicode.h"
  31 #include "TextCommon.h"
  32 #include "TextEncodingConverter.h"
  33
  34 #if !USE_SHARED_LIBRARY
  35 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  36 #endif
  37
  38 //-----------------------------------------------------------------------------
  39 // constants
  40 //-----------------------------------------------------------------------------
  41
  42 #define mm2inches               0.0393700787402
  43 #define inches2mm               25.4
  44 #define mm2twips                56.6929133859
  45 #define twips2mm                0.0176388888889
  46 #define mm2pt                   2.83464566929
  47 #define pt2mm                   0.352777777778
  48 #ifndef __DARWIN__
  49 const double M_PI = 3.14159265358979 ;
  50 #endif
  51 const double RAD2DEG  = 180.0 / M_PI;
  52 const short kEmulatedMode = -1 ;
  53 const short kUnsupportedMode = -2 ;
  54
  55 #define wxMAC_EXPERIMENTAL_PATTERN 0
  56
  57 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  58         m_ph( (GrafPtr) dc->m_macPort )
  59 {
  60         wxASSERT( dc->Ok() ) ;
  61         m_dc = dc ;
  62         dc->MacSetupPort(&m_ph) ;
  63 }
  64
  65 wxMacPortSetter::~wxMacPortSetter()
  66 {
  67         m_dc->MacCleanupPort(&m_ph) ;
  68 }
  69
  70 //-----------------------------------------------------------------------------
  71 // Local functions
  72 //-----------------------------------------------------------------------------
  73
  74 static inline double dmin(double a, double b) { return a < b ? a : b; }
  75 static inline double dmax(double a, double b) { return a > b ? a : b; }
  76 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
  77
  78 //-----------------------------------------------------------------------------
  79 // wxDC
  80 //-----------------------------------------------------------------------------
  81
  82 // this function emulates all wx colour manipulations, used to verify the implementation
  83 // by setting the mode in the blitting functions to kEmulatedMode
  84
  85 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
  86 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
  87 {
  88     switch ( logical_func )
  89     {
  90         case wxAND:        // src AND dst
  91             dstColor.red = dstColor.red & srcColor.red ;
  92             dstColor.green = dstColor.green & srcColor.green ;
  93             dstColor.blue = dstColor.blue & srcColor.blue ;
  94             break ;
  95         case wxAND_INVERT: // (NOT src) AND dst
  96             dstColor.red = dstColor.red & ~srcColor.red ;
  97             dstColor.green = dstColor.green & ~srcColor.green ;
  98             dstColor.blue = dstColor.blue & ~srcColor.blue ;
  99             break ;
 100         case wxAND_REVERSE:// src AND (NOT dst)
 101             dstColor.red = ~dstColor.red & srcColor.red ;
 102             dstColor.green = ~dstColor.green & srcColor.green ;
 103             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 104             break ;
 105         case wxCLEAR:      // 0
 106             dstColor.red = 0 ;
 107             dstColor.green = 0 ;
 108             dstColor.blue = 0 ;
 109             break ;
 110         case wxCOPY:       // src
 111             dstColor.red = srcColor.red ;
 112             dstColor.green = srcColor.green ;
 113             dstColor.blue = srcColor.blue ;
 114                 break ;
 115         case wxEQUIV:      // (NOT src) XOR dst
 116             dstColor.red = dstColor.red ^ ~srcColor.red ;
 117             dstColor.green = dstColor.green ^ ~srcColor.green ;
 118             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 119             break ;
 120         case wxINVERT:     // NOT dst
 121             dstColor.red = ~dstColor.red ;
 122             dstColor.green = ~dstColor.green ;
 123             dstColor.blue = ~dstColor.blue ;
 124                 break ;
 125         case wxNAND:       // (NOT src) OR (NOT dst)
 126             dstColor.red = ~dstColor.red | ~srcColor.red ;
 127             dstColor.green = ~dstColor.green | ~srcColor.green ;
 128             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 129             break ;
 130         case wxNOR:        // (NOT src) AND (NOT 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 wxNO_OP:      // dst
 136             break ;
 137         case wxOR:         // src OR dst
 138             dstColor.red = dstColor.red | srcColor.red ;
 139             dstColor.green = dstColor.green | srcColor.green ;
 140             dstColor.blue = dstColor.blue | srcColor.blue ;
 141             break ;
 142         case wxOR_INVERT:  // (NOT src) OR dst
 143             dstColor.red = dstColor.red | ~srcColor.red ;
 144             dstColor.green = dstColor.green | ~srcColor.green ;
 145             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 146             break ;
 147         case wxOR_REVERSE: // src OR (NOT dst)
 148             dstColor.red = ~dstColor.red | srcColor.red ;
 149             dstColor.green = ~dstColor.green | srcColor.green ;
 150             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 151                 break ;
 152         case wxSET:        // 1
 153             dstColor.red = 0xFFFF ;
 154             dstColor.green = 0xFFFF ;
 155             dstColor.blue = 0xFFFF ;
 156             break ;
 157         case wxSRC_INVERT: // (NOT src)
 158             dstColor.red = ~srcColor.red ;
 159             dstColor.green = ~srcColor.green ;
 160             dstColor.blue = ~srcColor.blue ;
 161                 break ;
 162         case wxXOR:        // src XOR dst
 163             dstColor.red = dstColor.red ^ srcColor.red ;
 164             dstColor.green = dstColor.green ^ srcColor.green ;
 165             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 166                 break ;
 167     }
 168
 169 }
 170
 171 wxDC::wxDC()
 172 {
 173   m_ok = FALSE;
 174   m_colour = TRUE;
 175
 176   m_mm_to_pix_x = mm2pt;
 177   m_mm_to_pix_y = mm2pt;
 178
 179   m_internalDeviceOriginX = 0;
 180   m_internalDeviceOriginY = 0;
 181   m_externalDeviceOriginX = 0;
 182   m_externalDeviceOriginY = 0;
 183
 184   m_logicalScaleX = 1.0;
 185   m_logicalScaleY = 1.0;
 186   m_userScaleX = 1.0;
 187   m_userScaleY = 1.0;
 188   m_scaleX = 1.0;
 189   m_scaleY = 1.0;
 190
 191   m_needComputeScaleX = FALSE;
 192   m_needComputeScaleY = FALSE;
 193
 194   m_macPort = NULL ;
 195   m_macMask = NULL ;
 196   m_ok = FALSE ;
 197
 198         m_macFontInstalled = false ;
 199         m_macBrushInstalled = false ;
 200         m_macPenInstalled = false ;
 201
 202         m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 203         m_macBoundaryClipRgn = NewRgn() ;
 204         m_macCurrentClipRgn = NewRgn() ;
 205
 206         SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 207         SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 208
 209     m_pen = *wxBLACK_PEN;
 210     m_font = *wxNORMAL_FONT;
 211     m_brush = *wxWHITE_BRUSH;
 212     m_macCurrentPortStateHelper = NULL ;
 213     m_macATSUIStyle = NULL ;
 214     m_macAliasWasEnabled = false;
 215     m_macForegroundPixMap = NULL ;
 216     m_macBackgroundPixMap = NULL ;
 217 }
 218
 219 wxDC::~wxDC(void)
 220 {
 221     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 222     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 223 }
 224 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 225 {
 226     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 227     m_macCurrentPortStateHelper = help ;
 228         SetClip( (RgnHandle) m_macCurrentClipRgn);
 229
 230         m_macFontInstalled = false ;
 231         m_macBrushInstalled = false ;
 232         m_macPenInstalled = false ;
 233 }
 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
 265 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 266 {
 267      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 268
 269      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 270
 271      wxMacPortSetter helper(this) ;
 272
 273      wxCoord xx = XLOG2DEVMAC(x);
 274      wxCoord yy = YLOG2DEVMAC(y);
 275      wxCoord w = bmp.GetWidth();
 276      wxCoord h = bmp.GetHeight();
 277      wxCoord ww = XLOG2DEVREL(w);
 278      wxCoord hh = YLOG2DEVREL(h);
 279
 280      // Set up drawing mode
 281      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 282                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 283                     //m_logicalFunction == wxSET ? BLACKNESS :
 284                     m_logicalFunction == wxINVERT ? hilite :
 285                    //m_logicalFunction == wxAND ? MERGECOPY :
 286                     m_logicalFunction == wxOR ? srcOr :
 287                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 288                     m_logicalFunction == wxXOR ? srcXor :
 289                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 290                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 291                     //m_logicalFunction == wxSRC_OR ? srcOr :
 292                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 293                     srcCopy );
 294
 295      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 296          Rect bitmaprect = { 0 , 0 , hh, ww };
 297          ::OffsetRect( &bitmaprect, xx, yy ) ;
 298          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 299     }
 300      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 301      {
 302          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 303          PixMapHandle bmappixels ;
 304
 305          // Set foreground and background colours (for bitmaps depth = 1)
 306          if(bmp.GetDepth() == 1)
 307         {
 308              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 309              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 310              RGBForeColor(&fore);
 311              RGBBackColor(&back);
 312          }
 313          else
 314          {
 315              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 316              RGBColor black = { 0,0,0} ;
 317              RGBForeColor( &black ) ;
 318              RGBBackColor( &white ) ;
 319          }
 320
 321          bmappixels = GetGWorldPixMap( bmapworld ) ;
 322
 323          wxCHECK_RET(LockPixels(bmappixels),
 324                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 325
 326          Rect source = { 0, 0, h, w };
 327          Rect dest   = { yy, xx, yy + hh, xx + ww };
 328
 329          if ( useMask && bmp.GetMask() )
 330          {
 331              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 332              {
 333                  CopyDeepMask
 334                      (
 335                       GetPortBitMapForCopyBits(bmapworld),
 336                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 337                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 338                       &source, &source, &dest, mode, NULL
 339                       );
 340                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 341              }
 342          }
 343          else {
 344              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 345                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 346                        &source, &dest, mode, NULL ) ;
 347          }
 348          UnlockPixels( bmappixels ) ;
 349      }
 350      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 351      {
 352         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 353         OffsetRect( &bitmaprect, xx, yy ) ;
 354         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 355      }
 356      m_macPenInstalled = false ;
 357      m_macBrushInstalled = false ;
 358      m_macFontInstalled = false ;
 359
 360 }
 361
 362 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 363 {
 364      wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 365
 366      wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 367
 368     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 369 }
 370 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 371 {
 372     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 373     wxCoord xx, yy, ww, hh;
 374
 375     xx = XLOG2DEVMAC(x);
 376     yy = YLOG2DEVMAC(y);
 377     ww = XLOG2DEVREL(width);
 378     hh = YLOG2DEVREL(height);
 379
 380     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 381     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 382
 383     if( m_clipping )
 384     {
 385         m_clipX1 = wxMax( m_clipX1 , xx );
 386         m_clipY1 = wxMax( m_clipY1 , yy );
 387         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 388         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 389     }
 390     else
 391     {
 392         m_clipping = TRUE;
 393         m_clipX1 = xx;
 394         m_clipY1 = yy;
 395         m_clipX2 = xx + ww;
 396         m_clipY2 = yy + hh;
 397     }
 398
 399 }
 400 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 401 {
 402     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 403
 404         wxMacPortSetter helper(this) ;
 405     if (region.Empty())
 406     {
 407         DestroyClippingRegion();
 408         return;
 409     }
 410
 411     wxCoord x, y, w, h;
 412     region.GetBox( x, y, w, h );
 413     wxCoord xx, yy, ww, hh;
 414
 415     xx = XLOG2DEVMAC(x);
 416     yy = YLOG2DEVMAC(y);
 417     ww = XLOG2DEVREL(w);
 418     hh = YLOG2DEVREL(h);
 419
 420     // if we have a scaling that we cannot map onto native regions
 421     // we must use the box
 422
 423     if ( ww != w || hh != h )
 424     {
 425         wxDC::DoSetClippingRegion( x, y, w, h );
 426     }
 427     else
 428     {
 429         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 430         if ( xx != x || yy != y )
 431         {
 432             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 433         }
 434         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 435         if( m_clipping )
 436         {
 437             m_clipX1 = wxMax( m_clipX1 , xx );
 438             m_clipY1 = wxMax( m_clipY1 , yy );
 439             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 440             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 441         }
 442         else
 443         {
 444             m_clipping = TRUE;
 445             m_clipX1 = xx;
 446             m_clipY1 = yy;
 447             m_clipX2 = xx + ww;
 448             m_clipY2 = yy + hh;
 449         }
 450     }
 451
 452 }
 453
 454 void wxDC::DestroyClippingRegion()
 455 {
 456   wxMacPortSetter helper(this) ;
 457   CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 458   m_clipping = FALSE;
 459 }
 460 void wxDC::DoGetSize( int* width, int* height ) const
 461 {
 462   *width = m_maxX-m_minX;
 463   *height = m_maxY-m_minY;
 464 }
 465 void wxDC::DoGetSizeMM( int* width, int* height ) const
 466 {
 467   int w = 0;
 468   int h = 0;
 469   GetSize( &w, &h );
 470   *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 471   *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 472 }
 473 void wxDC::SetTextForeground( const wxColour &col )
 474 {
 475     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 476     m_textForegroundColour = col;
 477     m_macFontInstalled = false ;
 478 }
 479 void wxDC::SetTextBackground( const wxColour &col )
 480 {
 481     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 482     m_textBackgroundColour = col;
 483     m_macFontInstalled = false ;
 484 }
 485 void wxDC::SetMapMode( int mode )
 486 {
 487   switch (mode)
 488   {
 489     case wxMM_TWIPS:
 490       SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 491       break;
 492     case wxMM_POINTS:
 493       SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 494       break;
 495     case wxMM_METRIC:
 496       SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 497       break;
 498     case wxMM_LOMETRIC:
 499       SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 500       break;
 501     default:
 502     case wxMM_TEXT:
 503       SetLogicalScale( 1.0, 1.0 );
 504       break;
 505   }
 506   if (mode != wxMM_TEXT)
 507   {
 508     m_needComputeScaleX = TRUE;
 509     m_needComputeScaleY = TRUE;
 510   }
 511 }
 512 void wxDC::SetUserScale( double x, double y )
 513 {
 514   // allow negative ? -> no
 515   m_userScaleX = x;
 516   m_userScaleY = y;
 517   ComputeScaleAndOrigin();
 518 }
 519 void wxDC::SetLogicalScale( double x, double y )
 520 {
 521   // allow negative ?
 522   m_logicalScaleX = x;
 523   m_logicalScaleY = y;
 524   ComputeScaleAndOrigin();
 525 }
 526 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 527 {
 528   m_logicalOriginX = x * m_signX;   // is this still correct ?
 529   m_logicalOriginY = y * m_signY;
 530   ComputeScaleAndOrigin();
 531 }
 532 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 533 {
 534   m_externalDeviceOriginX = x;
 535   m_externalDeviceOriginY = y;
 536   ComputeScaleAndOrigin();
 537 }
 538
 539 #if 0
 540 void wxDC::SetInternalDeviceOrigin( long x, long y )
 541 {
 542   m_internalDeviceOriginX = x;
 543   m_internalDeviceOriginY = y;
 544   ComputeScaleAndOrigin();
 545 }
 546 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 547 {
 548   if (x) *x = m_internalDeviceOriginX;
 549   if (y) *y = m_internalDeviceOriginY;
 550 }
 551 #endif
 552 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 553 {
 554   m_signX = (xLeftRight ?  1 : -1);
 555   m_signY = (yBottomUp  ? -1 :  1);
 556   ComputeScaleAndOrigin();
 557 }
 558
 559 wxSize wxDC::GetPPI() const
 560 {
 561     return wxSize(72, 72);
 562 }
 563
 564 int wxDC::GetDepth() const
 565 {
 566     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 567     {
 568         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 569     }
 570     return 1 ;
 571 }
 572
 573 void wxDC::ComputeScaleAndOrigin()
 574 {
 575   // CMB: copy scale to see if it changes
 576   double origScaleX = m_scaleX;
 577   double origScaleY = m_scaleY;
 578
 579   m_scaleX = m_logicalScaleX * m_userScaleX;
 580   m_scaleY = m_logicalScaleY * m_userScaleY;
 581
 582   m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 583   m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 584
 585   // CMB: if scale has changed call SetPen to recalulate the line width
 586   if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 587   {
 588     // this is a bit artificial, but we need to force wxDC to think
 589     // the pen has changed
 590     wxPen* pen = & GetPen();
 591     wxPen tempPen;
 592     m_pen = tempPen;
 593     SetPen(* pen);
 594   }
 595 }
 596 void  wxDC::SetPalette( const wxPalette& palette )
 597 {
 598 }
 599
 600 void  wxDC::SetBackgroundMode( int mode )
 601 {
 602         m_backgroundMode = mode ;
 603 }
 604
 605 void  wxDC::SetFont( const wxFont &font )
 606 {
 607     m_font = font;
 608     m_macFontInstalled = false ;
 609 }
 610
 611 void  wxDC::SetPen( const wxPen &pen )
 612 {
 613         if ( m_pen == pen )
 614                 return ;
 615
 616   m_pen = pen;
 617
 618   m_macPenInstalled = false ;
 619 }
 620
 621 void  wxDC::SetBrush( const wxBrush &brush )
 622 {
 623   if (m_brush == brush)
 624         return;
 625
 626   m_brush = brush;
 627   m_macBrushInstalled = false ;
 628 }
 629
 630 void  wxDC::SetBackground( const wxBrush &brush )
 631 {
 632   if (m_backgroundBrush == brush)
 633         return;
 634
 635   m_backgroundBrush = brush;
 636
 637   if (!m_backgroundBrush.Ok())
 638         return;
 639    m_macBrushInstalled = false ;
 640 }
 641
 642 void  wxDC::SetLogicalFunction( int function )
 643 {
 644         if (m_logicalFunction == function)
 645                 return;
 646
 647         m_logicalFunction = function ;
 648         m_macFontInstalled = false ;
 649         m_macBrushInstalled = false ;
 650         m_macPenInstalled = false ;
 651 }
 652
 653 void  wxDC::DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
 654                              int style )
 655 {
 656 }
 657
 658 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 659 {
 660     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 661     wxMacPortSetter helper(this) ;
 662
 663     RGBColor colour;
 664
 665     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 666
 667     // Convert from Mac colour to wx
 668     col->Set( colour.red   >> 8,
 669               colour.green >> 8,
 670               colour.blue  >> 8);
 671
 672     return true ;
 673 }
 674
 675 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 676 {
 677   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 678
 679   wxMacPortSetter helper(this) ;
 680
 681   if (m_pen.GetStyle() != wxTRANSPARENT)
 682   {
 683                 MacInstallPen() ;
 684                 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 685                             m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 686
 687         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 688         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 689         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 690         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 691
 692         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 693             (m_pen.GetWidth() <= 1))
 694         {
 695             // Implement LAST_NOT for MAC at least for
 696             // orthogonal lines. RR.
 697                 if (xx1 == xx2)
 698                 {
 699                         if (yy1 < yy2)
 700                                 yy2--;
 701                     if (yy1 > yy2)
 702                         yy2++;
 703                 }
 704                 if (yy1 == yy2)
 705                 {
 706                         if (xx1 < xx2)
 707                                 xx2--;
 708                     if (xx1 > xx2)
 709                         xx2++;
 710                 }
 711         }
 712
 713                 ::MoveTo(xx1, yy1);
 714                 ::LineTo(xx2, yy2);
 715   }
 716 }
 717
 718 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 719 {
 720     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 721
 722     if (m_pen.GetStyle() != wxTRANSPARENT)
 723     {
 724         int w = 0;
 725         int h = 0;
 726         GetSize( &w, &h );
 727         wxCoord xx = XLOG2DEVMAC(x);
 728         wxCoord yy = YLOG2DEVMAC(y);
 729
 730         MacInstallPen();
 731         ::MoveTo( XLOG2DEVMAC(0), yy );
 732         ::LineTo( XLOG2DEVMAC(w), yy );
 733         ::MoveTo( xx, YLOG2DEVMAC(0) );
 734         ::LineTo( xx, YLOG2DEVMAC(h) );
 735
 736         CalcBoundingBox(x, y);
 737         CalcBoundingBox(x+w, y+h);
 738
 739     }
 740 }
 741
 742 /*
 743  * To draw arcs properly the angles need to be converted from the WX style:
 744  * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 745  * a normal axis on paper).
 746  * TO
 747  * the Mac style:
 748  * Angles start on the +ve y axis and go clockwise.
 749  * To achive this I work out which quadrant the angle lies in then map this to
 750  * the equivalent quadrant on the Mac.  (Sin and Cos values reveal which
 751  * quadrant you are in).
 752  */
 753 static double wxConvertWXangleToMACangle(double angle)
 754 {
 755     double sin_a, cos_a;
 756
 757     sin_a = sin(angle / RAD2DEG);
 758     cos_a = cos(angle / RAD2DEG);
 759
 760     if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
 761         angle = acos(sin_a) * RAD2DEG;
 762     }
 763     else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
 764         sin_a *= -1;
 765         angle = acos(sin_a) * RAD2DEG + 180;
 766     }
 767     else if( (sin_a <= 0.0) && (cos_a >=  0.0) ) {
 768         angle = acos(sin_a) * RAD2DEG + 180;
 769     }
 770     else if( (sin_a <  0.0) && (cos_a <  0.0) ) {
 771         sin_a *= -1;
 772         angle = acos(sin_a) * RAD2DEG + 180;
 773     }
 774     return angle;
 775 }
 776
 777 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 778                            wxCoord x2, wxCoord y2,
 779                            wxCoord xc, wxCoord yc )
 780 {
 781     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 782
 783     wxCoord xx1 = XLOG2DEVMAC(x1);
 784     wxCoord yy1 = YLOG2DEVMAC(y1);
 785     wxCoord xx2 = XLOG2DEVMAC(x2);
 786     wxCoord yy2 = YLOG2DEVMAC(y2);
 787     wxCoord xxc = XLOG2DEVMAC(xc);
 788     wxCoord yyc = YLOG2DEVMAC(yc);
 789     double dx = xx1 - xxc;
 790     double dy = yy1 - yyc;
 791     double radius = sqrt((double)(dx*dx+dy*dy));
 792     wxCoord rad   = (wxCoord)radius;
 793     double radius1, radius2;
 794
 795     if (xx1 == xx2 && yy1 == yy2)
 796     {
 797         radius1 = 0.0;
 798         radius2 = 360.0;
 799     }
 800     else if (radius == 0.0)
 801     {
 802         radius1 = radius2 = 0.0;
 803     }
 804     else
 805     {
 806         radius1 = (xx1 - xxc == 0) ?
 807             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 808             -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 809          radius2 = (xx2 - xxc == 0) ?
 810             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 811             -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 812      }
 813      wxCoord alpha2 = wxCoord(radius2 - radius1);
 814     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 815      if( (xx1 > xx2) || (yy1 > yy2) ) {
 816         alpha2 *= -1;
 817     }
 818
 819     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 820
 821     if(m_brush.GetStyle() != wxTRANSPARENT) {
 822         MacInstallBrush();
 823         PaintArc(&r, alpha1, alpha2);
 824     }
 825     if(m_pen.GetStyle() != wxTRANSPARENT) {
 826         MacInstallPen();
 827         FrameArc(&r, alpha1, alpha2);
 828     }
 829 }
 830
 831 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 832                                    double sa, double ea )
 833 {
 834     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 835
 836     Rect r;
 837     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 838
 839     wxCoord xx = XLOG2DEVMAC(x);
 840     wxCoord yy = YLOG2DEVMAC(y);
 841     wxCoord ww = m_signX * XLOG2DEVREL(w);
 842     wxCoord hh = m_signY * YLOG2DEVREL(h);
 843
 844     // handle -ve width and/or height
 845     if (ww < 0) { ww = -ww; xx = xx - ww; }
 846     if (hh < 0) { hh = -hh; yy = yy - hh; }
 847
 848     sa = wxConvertWXangleToMACangle(sa);
 849
 850     r.top    = yy;
 851     r.left   = xx;
 852     r.bottom = yy + hh;
 853     r.right  = xx + ww;
 854
 855     if(m_brush.GetStyle() != wxTRANSPARENT) {
 856         MacInstallBrush();
 857         PaintArc(&r, (short)sa, (short)angle);
 858     }
 859     if(m_pen.GetStyle() != wxTRANSPARENT) {
 860         MacInstallPen();
 861         FrameArc(&r, (short)sa, (short)angle);
 862     }
 863 }
 864
 865 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 866 {
 867   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 868
 869   wxMacPortSetter helper(this) ;
 870
 871   if (m_pen.GetStyle() != wxTRANSPARENT)
 872   {
 873                 MacInstallPen() ;
 874         wxCoord xx1 = XLOG2DEVMAC(x);
 875         wxCoord yy1 = YLOG2DEVMAC(y);
 876
 877                 ::MoveTo(xx1,yy1);
 878                 ::LineTo(xx1+1, yy1+1);
 879   }
 880 }
 881
 882 void  wxDC::DoDrawLines(int n, wxPoint points[],
 883                              wxCoord xoffset, wxCoord yoffset)
 884 {
 885   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 886   wxMacPortSetter helper(this) ;
 887
 888   if (m_pen.GetStyle() == wxTRANSPARENT)
 889         return;
 890
 891   MacInstallPen() ;
 892
 893   wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 894                       m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 895
 896   wxCoord x1, x2 , y1 , y2 ;
 897   x1 = XLOG2DEVMAC(points[0].x + xoffset);
 898   y1 = YLOG2DEVMAC(points[0].y + yoffset);
 899   ::MoveTo(x1 - offset, y1 - offset );
 900
 901   for (int i = 0; i < n-1; i++)
 902   {
 903     x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 904     y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 905     ::LineTo( x2 - offset, y2 - offset );
 906   }
 907 }
 908
 909 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 910                                wxCoord xoffset, wxCoord yoffset,
 911                                int fillStyle )
 912 {
 913         wxCHECK_RET(Ok(), wxT("Invalid DC"));
 914         wxMacPortSetter helper(this) ;
 915
 916         wxCoord x1, x2 , y1 , y2 ;
 917
 918     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 919         return ;
 920
 921         PolyHandle polygon = OpenPoly();
 922
 923         x1 = XLOG2DEVMAC(points[0].x + xoffset);
 924         y1 = YLOG2DEVMAC(points[0].y + yoffset);
 925         ::MoveTo(x1,y1);
 926
 927         for (int i = 1; i < n; i++)
 928         {
 929                 x2 = XLOG2DEVMAC(points[i].x + xoffset);
 930                 y2 = YLOG2DEVMAC(points[i].y + yoffset);
 931                 ::LineTo(x2, y2);
 932         }
 933
 934     // close the polyline if necessary
 935     if ( x1 != x2 || y1 != y2 )
 936     {
 937         ::LineTo(x1,y1 ) ;
 938     }
 939
 940         ClosePoly();
 941
 942         if (m_brush.GetStyle() != wxTRANSPARENT)
 943         {
 944
 945                 MacInstallBrush();
 946                 ::PaintPoly( polygon );
 947
 948         }
 949
 950         if (m_pen.GetStyle() != wxTRANSPARENT)
 951         {
 952
 953                 MacInstallPen() ;
 954                 ::FramePoly( polygon ) ;
 955
 956         }
 957         KillPoly( polygon );
 958 }
 959
 960 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 961 {
 962     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 963     wxMacPortSetter helper(this) ;
 964
 965         wxCoord xx = XLOG2DEVMAC(x);
 966         wxCoord yy = YLOG2DEVMAC(y);
 967         wxCoord ww = m_signX * XLOG2DEVREL(width);
 968         wxCoord hh = m_signY * YLOG2DEVREL(height);
 969
 970         // CMB: draw nothing if transformed w or h is 0
 971         if (ww == 0 || hh == 0)
 972                 return;
 973
 974         // CMB: handle -ve width and/or height
 975         if (ww < 0)
 976         {
 977                 ww = -ww;
 978                 xx = xx - ww;
 979         }
 980
 981         if (hh < 0)
 982         {
 983                 hh = -hh;
 984                 yy = yy - hh;
 985         }
 986
 987         Rect rect = { yy , xx , yy + hh , xx + ww } ;
 988
 989         if (m_brush.GetStyle() != wxTRANSPARENT)
 990         {
 991                 MacInstallBrush() ;
 992                 ::PaintRect( &rect ) ;
 993         }
 994
 995         if (m_pen.GetStyle() != wxTRANSPARENT)
 996         {
 997                 MacInstallPen() ;
 998                 ::FrameRect( &rect ) ;
 999         }
1000 }
1001
1002 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1003                                         wxCoord width, wxCoord height,
1004                                         double radius)
1005 {
1006     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1007     wxMacPortSetter helper(this) ;
1008
1009     if (radius < 0.0)
1010             radius = - radius * ((width < height) ? width : height);
1011
1012         wxCoord xx = XLOG2DEVMAC(x);
1013         wxCoord yy = YLOG2DEVMAC(y);
1014         wxCoord ww = m_signX * XLOG2DEVREL(width);
1015         wxCoord hh = m_signY * YLOG2DEVREL(height);
1016
1017         // CMB: draw nothing if transformed w or h is 0
1018         if (ww == 0 || hh == 0)
1019                 return;
1020
1021         // CMB: handle -ve width and/or height
1022         if (ww < 0)
1023         {
1024                 ww = -ww;
1025                 xx = xx - ww;
1026         }
1027
1028         if (hh < 0)
1029         {
1030                 hh = -hh;
1031                 yy = yy - hh;
1032         }
1033
1034         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1035
1036         if (m_brush.GetStyle() != wxTRANSPARENT)
1037         {
1038                 MacInstallBrush() ;
1039                 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1040         }
1041
1042         if (m_pen.GetStyle() != wxTRANSPARENT)
1043         {
1044                 MacInstallPen() ;
1045                 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1046         }
1047 }
1048
1049 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1050 {
1051     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1052     wxMacPortSetter helper(this) ;
1053
1054         wxCoord xx = XLOG2DEVMAC(x);
1055         wxCoord yy = YLOG2DEVMAC(y);
1056         wxCoord ww = m_signX * XLOG2DEVREL(width);
1057         wxCoord hh = m_signY * YLOG2DEVREL(height);
1058
1059         // CMB: draw nothing if transformed w or h is 0
1060         if (ww == 0 || hh == 0)
1061                 return;
1062
1063         // CMB: handle -ve width and/or height
1064         if (ww < 0)
1065         {
1066                 ww = -ww;
1067                 xx = xx - ww;
1068         }
1069
1070         if (hh < 0)
1071         {
1072                 hh = -hh;
1073                 yy = yy - hh;
1074         }
1075
1076         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1077
1078         if (m_brush.GetStyle() != wxTRANSPARENT)
1079         {
1080                 MacInstallBrush() ;
1081                 ::PaintOval( &rect ) ;
1082         }
1083
1084         if (m_pen.GetStyle() != wxTRANSPARENT)
1085         {
1086                 MacInstallPen() ;
1087                 ::FrameOval( &rect ) ;
1088         }
1089 }
1090
1091
1092
1093 bool  wxDC::CanDrawBitmap(void) const
1094 {
1095         return true ;
1096 }
1097
1098
1099 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1100                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1101                         wxCoord xsrcMask,  wxCoord ysrcMask )
1102 {
1103     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1104     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1105
1106     if ( logical_func == wxNO_OP )
1107         return TRUE ;
1108
1109     if (xsrcMask == -1 && ysrcMask == -1)
1110     {
1111         xsrcMask = xsrc; ysrcMask = ysrc;
1112     }
1113
1114     // correct the parameter in case this dc does not have a mask at all
1115
1116     if ( useMask && !source->m_macMask )
1117         useMask = false ;
1118
1119         Rect srcrect , dstrect ;
1120         srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1121         srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1122         srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1123         srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1124         dstrect.top = YLOG2DEVMAC(ydest) ;
1125         dstrect.left = XLOG2DEVMAC(xdest) ;
1126         dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1127         dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1128
1129     short mode = kUnsupportedMode ;
1130     bool invertDestinationFirst = false ;
1131     switch ( logical_func )
1132     {
1133                 case wxAND:        // src AND dst
1134                     mode = srcOr ; // ok
1135                     break ;
1136                 case wxAND_INVERT: // (NOT src) AND dst
1137                     mode = notSrcOr  ; // ok
1138                     break ;
1139                 case wxAND_REVERSE:// src AND (NOT dst)
1140                     invertDestinationFirst = true ;
1141                     mode = srcOr ;
1142                     break ;
1143                 case wxCLEAR:      // 0
1144                     mode = kEmulatedMode ;
1145                     break ;
1146         case wxCOPY:       // src
1147                         mode = srcCopy ; // ok
1148                         break ;
1149                 case wxEQUIV:      // (NOT src) XOR dst
1150                     mode = srcXor ; // ok
1151                     break ;
1152                 case wxINVERT:     // NOT dst
1153                         mode = kEmulatedMode ; //or hilite ;
1154                         break ;
1155                 case wxNAND:       // (NOT src) OR (NOT dst)
1156                     invertDestinationFirst = true ;
1157                     mode = srcBic ;
1158                     break ;
1159                 case wxNOR:        // (NOT src) AND (NOT dst)
1160                     invertDestinationFirst = true ;
1161                     mode = notSrcOr ;
1162                     break ;
1163                 case wxNO_OP:      // dst
1164                     mode = kEmulatedMode ; // this has already been handled upon entry
1165                     break ;
1166                 case wxOR:         // src OR dst
1167                     mode = notSrcBic ;
1168                     break ;
1169                 case wxOR_INVERT:  // (NOT src) OR dst
1170                     mode = srcBic ;
1171                     break ;
1172                 case wxOR_REVERSE: // src OR (NOT dst)
1173                     invertDestinationFirst = true ;
1174                         mode = notSrcBic ;
1175                         break ;
1176                 case wxSET:        // 1
1177                     mode = kEmulatedMode ;
1178                     break ;
1179                 case wxSRC_INVERT: // (NOT src)
1180                         mode = notSrcCopy ; // ok
1181                         break ;
1182                 case wxXOR:        // src XOR dst
1183                         mode = notSrcXor ; // ok
1184                         break ;
1185
1186         default :
1187                         break ;
1188
1189     }
1190
1191     if ( mode == kUnsupportedMode )
1192     {
1193         wxFAIL_MSG("unsupported blitting mode" )
1194         return FALSE ;
1195     }
1196
1197         CGrafPtr                        sourcePort = (CGrafPtr) source->m_macPort ;
1198         PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1199         if ( LockPixels(bmappixels) )
1200         {
1201         wxMacPortSetter helper(this) ;
1202         RGBColor tempColor ;
1203
1204         if ( source->GetDepth() == 1 )
1205         {
1206             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1207             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1208         }
1209         else
1210         {
1211             // the modes need this, otherwise we'll end up having really nice colors...
1212             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1213             RGBColor    black = { 0,0,0} ;
1214             RGBForeColor( &black ) ;
1215             RGBBackColor( &white ) ;
1216         }
1217
1218                 if ( useMask && source->m_macMask )
1219                 {
1220                     if ( mode == srcCopy )
1221                     {
1222                         if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1223                         {
1224                                 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1225                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1226                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1227                                                 &srcrect, &srcrect , &dstrect ) ;
1228                                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1229                         }
1230                     }
1231                     else
1232                     {
1233                 RgnHandle clipRgn = NewRgn() ;
1234                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1235                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1236                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1237                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1238                 if ( mode == kEmulatedMode )
1239                 {
1240                     Pattern pat ;
1241                             ::PenPat(GetQDGlobalsBlack(&pat));
1242                     if ( logical_func == wxSET )
1243                     {
1244                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1245                                 ::RGBForeColor( &col  ) ;
1246                         ::PaintRgn( clipRgn ) ;
1247                     }
1248                     else if ( logical_func == wxCLEAR )
1249                     {
1250                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1251                                 ::RGBForeColor( &col  ) ;
1252                         ::PaintRgn( clipRgn ) ;
1253                     }
1254                     else if ( logical_func == wxINVERT )
1255                     {
1256                         MacInvertRgn( clipRgn ) ;
1257                     }
1258                     else
1259                     {
1260                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1261                         {
1262                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1263                             {
1264                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1265                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1266                                 if ( PtInRgn( dstPoint , clipRgn ) )
1267                                 {
1268                                     RGBColor srcColor ;
1269                                     RGBColor dstColor ;
1270
1271                                     SetPort( (GrafPtr) sourcePort ) ;
1272                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1273                                     SetPort( (GrafPtr) m_macPort ) ;
1274                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1275
1276                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1277                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1278                                 }
1279                             }
1280                         }
1281                     }
1282                 }
1283                 else
1284                 {
1285                     if ( invertDestinationFirst )
1286                     {
1287                         MacInvertRgn( clipRgn ) ;
1288                     }
1289                                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1290                                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1291                                         &srcrect, &dstrect, mode, clipRgn ) ;
1292                     }
1293                     DisposeRgn( clipRgn ) ;
1294                 }
1295                 }
1296                 else
1297                 {
1298             RgnHandle clipRgn = NewRgn() ;
1299             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1300                     if ( mode == kEmulatedMode )
1301                     {
1302                 Pattern pat ;
1303                     ::PenPat(GetQDGlobalsBlack(&pat));
1304                 if ( logical_func == wxSET )
1305                 {
1306                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1307                         ::RGBForeColor( &col  ) ;
1308                     ::PaintRgn( clipRgn ) ;
1309                 }
1310                 else if ( logical_func == wxCLEAR )
1311                 {
1312                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1313                         ::RGBForeColor( &col  ) ;
1314                     ::PaintRgn( clipRgn ) ;
1315                 }
1316                 else if ( logical_func == wxINVERT )
1317                 {
1318                     MacInvertRgn( clipRgn ) ;
1319                 }
1320                 else
1321                 {
1322                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1323                     {
1324                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1325                         {
1326                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1327                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1328
1329                             {
1330                                 RGBColor srcColor ;
1331                                 RGBColor dstColor ;
1332
1333                                 SetPort( (GrafPtr) sourcePort ) ;
1334                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1335                                 SetPort( (GrafPtr) m_macPort ) ;
1336                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1337
1338                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1339                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1340                             }
1341                         }
1342                     }
1343                 }
1344
1345                 }
1346                 else
1347                 {
1348                 if ( invertDestinationFirst )
1349                 {
1350                     MacInvertRgn( clipRgn ) ;
1351                 }
1352                         CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1353                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1354                                 &srcrect, &dstrect, mode, NULL ) ;
1355                 }
1356                 DisposeRgn( clipRgn ) ;
1357                 }
1358                 UnlockPixels( bmappixels ) ;
1359         }
1360
1361         m_macPenInstalled = false ;
1362         m_macBrushInstalled = false ;
1363         m_macFontInstalled = false ;
1364
1365   return TRUE;
1366 }
1367
1368 inline Fixed    IntToFixed( int inInt )
1369         {
1370                 return (((SInt32) inInt) << 16);
1371         }
1372
1373
1374 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1375                               double angle)
1376 {
1377     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1378
1379     if (angle == 0.0)
1380     {
1381         DrawText(str, x, y);
1382         return;
1383     }
1384
1385     wxMacPortSetter helper(this) ;
1386     MacInstallFont() ;
1387
1388         wxString text ;
1389         if ( wxApp::s_macDefaultEncodingIsPC )
1390         {
1391                 text = wxMacMakeMacStringFromPC( str ) ;
1392         }
1393         else
1394         {
1395                 text = str ;
1396         }
1397
1398         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1399     if ( 0 )
1400     {
1401         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1402         SetAntiAliasedTextEnabled(true, m_scaleY * font->m_macFontSize);
1403         m_macAliasWasEnabled = true ;
1404     }
1405
1406     OSStatus status = noErr ;
1407
1408         TECObjectRef ec;
1409         status = TECCreateConverter(&ec, kTextEncodingMacRoman, kTextEncodingUnicodeDefault);
1410         wxASSERT_MSG( status == noErr , "couldn't start converter" ) ;
1411
1412     ByteCount byteOutLen ;
1413     ByteCount byteInLen = text.Length() ;
1414     ByteCount byteBufferLen = byteInLen *2 ;
1415     char* buf = new char[byteBufferLen] ;
1416
1417         status = TECConvertText(ec, (ConstTextPtr)text.c_str() , byteInLen, &byteInLen,
1418             (TextPtr)buf, byteBufferLen, &byteOutLen);
1419
1420         wxASSERT_MSG( status == noErr , "couldn't convert text" ) ;
1421         status = TECDisposeConverter(ec);
1422         wxASSERT_MSG( status == noErr , "couldn't dispose converter" ) ;
1423
1424         ATSUTextLayout atsuLayout ;
1425         UniCharCount chars = byteOutLen / 2 ;
1426     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1427         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1428         wxASSERT_MSG( status == noErr , "couldn't create the layout of the rotated text" );
1429
1430     Fixed atsuAngle = IntToFixed( angle ) ;
1431         ByteCount angleSize = sizeof(Fixed) ;
1432         ATSUAttributeTag rotationTag = kATSULineRotationTag ;
1433         ATSUAttributeValuePtr   angleValue = &atsuAngle ;
1434         status = ::ATSUSetLayoutControls(atsuLayout , 1 , &rotationTag , &angleSize , &angleValue ) ;
1435
1436         status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1437                                         IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) );
1438         wxASSERT_MSG( status == noErr , "couldn't draw the rotated text" );
1439     Rect rect ;
1440         status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1441                                         IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) , &rect );
1442         wxASSERT_MSG( status == noErr , "couldn't measure the rotated text" );
1443
1444     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1445     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1446     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1447     ::ATSUDisposeTextLayout(atsuLayout);
1448     delete[] buf ;
1449 }
1450
1451 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1452 {
1453     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1454     wxMacPortSetter helper(this) ;
1455
1456         long xx = XLOG2DEVMAC(x);
1457         long yy = YLOG2DEVMAC(y);
1458
1459         MacInstallFont() ;
1460     if ( 0 )
1461     {
1462         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1463         SetAntiAliasedTextEnabled(true, 8);
1464         m_macAliasWasEnabled = true ;
1465     }
1466
1467         FontInfo fi ;
1468         ::GetFontInfo( &fi ) ;
1469
1470         yy += fi.ascent ;
1471         ::MoveTo( xx , yy );
1472         if (  m_backgroundMode == wxTRANSPARENT )
1473         {
1474                 ::TextMode( srcOr) ;
1475         }
1476         else
1477         {
1478                 ::TextMode( srcCopy ) ;
1479         }
1480
1481         const char *text = NULL ;
1482         int length = 0 ;
1483         wxString macText ;
1484
1485         if ( wxApp::s_macDefaultEncodingIsPC )
1486         {
1487                 macText = wxMacMakeMacStringFromPC( strtext ) ;
1488                 text = macText ;
1489                 length = macText.Length() ;
1490         }
1491         else
1492         {
1493                 text = strtext ;
1494                 length = strtext.Length() ;
1495         }
1496
1497         int laststop = 0 ;
1498         int i = 0 ;
1499         int line = 0 ;
1500
1501         while( i < length )
1502         {
1503                 if( text[i] == 13 || text[i] == 10)
1504                 {
1505                         ::DrawText( text , laststop , i - laststop ) ;
1506                         line++ ;
1507                         ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1508                         laststop = i+1 ;
1509                 }
1510                 i++ ;
1511         }
1512
1513         ::DrawText( text , laststop , i - laststop ) ;
1514         ::TextMode( srcOr ) ;
1515 }
1516
1517 bool  wxDC::CanGetTextExtent() const
1518 {
1519         wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1520
1521         return true ;
1522 }
1523
1524 void  wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1525                      wxCoord *descent, wxCoord *externalLeading ,
1526                      wxFont *theFont ) const
1527 {
1528    wxCHECK_RET(Ok(), wxT("Invalid DC"));
1529    wxMacPortSetter helper(this) ;
1530
1531         wxFont formerFont = m_font ;
1532
1533         if ( theFont )
1534         {
1535                 wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1536
1537                 if ( font )
1538                 {
1539                         ::TextFont( font->m_macFontNum ) ;
1540                         ::TextSize( YLOG2DEVREL( font->m_macFontSize) ) ;
1541                         ::TextFace( font->m_macFontStyle ) ;
1542                 }
1543         }
1544         else
1545         {
1546                 MacInstallFont() ;
1547         }
1548
1549         FontInfo fi ;
1550         ::GetFontInfo( &fi ) ;
1551
1552         if ( height )
1553                 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1554         if ( descent )
1555                 *descent =YDEV2LOGREL( fi.descent );
1556         if ( externalLeading )
1557                 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1558
1559         const char *text = NULL ;
1560         int length = 0 ;
1561         wxString macText ;
1562         if ( wxApp::s_macDefaultEncodingIsPC )
1563         {
1564                 macText = wxMacMakeMacStringFromPC( string ) ;
1565                 text = macText ;
1566                 length = macText.Length() ;
1567         }
1568         else
1569         {
1570                 text = string ;
1571                 length = string.Length() ;
1572         }
1573
1574         int laststop = 0 ;
1575         int i = 0 ;
1576         int curwidth = 0 ;
1577         if ( width )
1578         {
1579                 *width = 0 ;
1580
1581                 while( i < length )
1582                 {
1583                         if( text[i] == 13 || text[i] == 10)
1584                         {
1585                                 if ( height )
1586                                         *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1587                                 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1588                                 if ( curwidth > *width )
1589                                         *width = XDEV2LOGREL( curwidth ) ;
1590                                 laststop = i+1 ;
1591                         }
1592                         i++ ;
1593                 }
1594
1595                 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1596                 if ( curwidth > *width )
1597                         *width = XDEV2LOGREL( curwidth ) ;
1598         }
1599
1600         if ( theFont )
1601         {
1602                 m_macFontInstalled = false ;
1603         }
1604 }
1605
1606 wxCoord   wxDC::GetCharWidth(void) const
1607 {
1608     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1609
1610    wxMacPortSetter helper(this) ;
1611
1612         MacInstallFont() ;
1613
1614     int width = ::TextWidth( "n" , 0 , 1 ) ;
1615
1616         return YDEV2LOGREL(width) ;
1617 }
1618
1619 wxCoord   wxDC::GetCharHeight(void) const
1620 {
1621     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1622
1623     wxMacPortSetter helper(this) ;
1624
1625         MacInstallFont() ;
1626
1627         FontInfo fi ;
1628         ::GetFontInfo( &fi ) ;
1629
1630         return YDEV2LOGREL( fi.descent + fi.ascent );
1631 }
1632
1633 void  wxDC::Clear(void)
1634 {
1635     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1636     wxMacPortSetter helper(this) ;
1637         Rect rect = { -32000 , -32000 , 32000 , 32000 } ;
1638
1639         if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1640         {
1641             ::PenNormal() ;
1642             //MacInstallBrush() ;
1643         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1644                 ::EraseRect( &rect ) ;
1645         }
1646 }
1647
1648 void wxDC::MacInstallFont() const
1649 {
1650     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1651 //      if ( m_macFontInstalled )
1652 //              return ;
1653         Pattern blackColor ;
1654
1655         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1656
1657         if ( font )
1658         {
1659                 ::TextFont( font->m_macFontNum ) ;
1660                 ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1661                 ::TextFace( font->m_macFontStyle ) ;
1662
1663                 m_macFontInstalled = true ;
1664                 m_macBrushInstalled = false ;
1665                 m_macPenInstalled = false ;
1666
1667                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1668                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1669                 ::RGBForeColor( &forecolor );
1670                 ::RGBBackColor( &backcolor );
1671         }
1672         else
1673         {
1674                 short fontnum ;
1675
1676                 GetFNum( "\pGeneva" , &fontnum ) ;
1677                 ::TextFont( fontnum ) ;
1678                 ::TextSize( short(m_scaleY * 10) ) ;
1679                 ::TextFace( 0 ) ;
1680
1681                 // todo reset after spacing changes - or store the current spacing somewhere
1682
1683                 m_macFontInstalled = true ;
1684                 m_macBrushInstalled = false ;
1685                 m_macPenInstalled = false ;
1686
1687                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1688                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1689                 ::RGBForeColor( &forecolor );
1690                 ::RGBBackColor( &backcolor );
1691         }
1692
1693         short mode = patCopy ;
1694
1695         // todo :
1696
1697         switch( m_logicalFunction )
1698         {
1699                 case wxCOPY:       // src
1700                         mode = patCopy ;
1701                         break ;
1702                 case wxINVERT:     // NOT dst
1703                         ::PenPat(GetQDGlobalsBlack(&blackColor));
1704                         mode = patXor ;
1705                         break ;
1706                 case wxXOR:        // src XOR dst
1707                         mode = patXor ;
1708                         break ;
1709                 case wxOR_REVERSE: // src OR (NOT dst)
1710                         mode = notPatOr ;
1711                         break ;
1712                 case wxSRC_INVERT: // (NOT src)
1713                         mode = notPatCopy ;
1714                         break ;
1715
1716                 // unsupported TODO
1717
1718                 case wxCLEAR:      // 0
1719                 case wxAND_REVERSE:// src AND (NOT dst)
1720                 case wxAND:        // src AND dst
1721                 case wxAND_INVERT: // (NOT src) AND dst
1722                 case wxNO_OP:      // dst
1723                 case wxNOR:        // (NOT src) AND (NOT dst)
1724                 case wxEQUIV:      // (NOT src) XOR dst
1725                 case wxOR_INVERT:  // (NOT src) OR dst
1726                 case wxNAND:       // (NOT src) OR (NOT dst)
1727                 case wxOR:         // src OR dst
1728                 case wxSET:        // 1
1729 //              case wxSRC_OR:     // source _bitmap_ OR destination
1730 //              case wxSRC_AND:     // source _bitmap_ AND destination
1731                         break ;
1732         }
1733         ::PenMode( mode ) ;
1734
1735     OSStatus status = noErr ;
1736
1737     Fixed atsuSize = IntToFixed(m_scaleY * font->m_macFontSize) ;
1738
1739     Style qdStyle = font->m_macFontStyle ;
1740         ATSUFontID      atsuFont = font->m_macATSUFontID ;
1741
1742     status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
1743         wxASSERT_MSG( status == noErr , "couldn't create ATSU style" ) ;
1744
1745         ATSUAttributeTag atsuTags[] =
1746         {
1747             kATSUFontTag ,
1748             kATSUSizeTag ,
1749             kATSUColorTag ,
1750
1751             kATSUQDBoldfaceTag ,
1752             kATSUQDItalicTag ,
1753             kATSUQDUnderlineTag ,
1754             kATSUQDCondensedTag ,
1755             kATSUQDExtendedTag ,
1756
1757         } ;
1758
1759     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1760     {
1761         sizeof( ATSUFontID ) ,
1762         sizeof( Fixed ) ,
1763         sizeof( RGBColor ) ,
1764         sizeof( Boolean ) ,
1765         sizeof( Boolean ) ,
1766         sizeof( Boolean ) ,
1767         sizeof( Boolean ) ,
1768         sizeof( Boolean ) ,
1769     } ;
1770
1771     Boolean kTrue = true ;
1772     Boolean kFalse = false ;
1773
1774         ATSUAttributeValuePtr   atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1775         {
1776             &atsuFont ,
1777             &atsuSize ,
1778             &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1779
1780             (qdStyle & bold) ? &kTrue : &kFalse ,
1781             (qdStyle & italic) ? &kTrue : &kFalse ,
1782             (qdStyle & underline) ? &kTrue : &kFalse ,
1783             (qdStyle & condense) ? &kTrue : &kFalse ,
1784             (qdStyle & extend) ? &kTrue : &kFalse ,
1785         } ;
1786
1787         status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1788             atsuTags, atsuSizes, atsuValues);
1789         wxASSERT_MSG( status == noErr , "couldn't set create ATSU style" ) ;
1790
1791 }
1792
1793 Pattern gHatchPatterns[] =
1794 {
1795     { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } ,
1796     { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } ,
1797     { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } ,
1798     { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } ,
1799     { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } ,
1800     { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } ,
1801     { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } ,
1802 } ;
1803
1804 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1805 {
1806         int theIndex = 1 ;
1807
1808         switch(hatchStyle)
1809         {
1810                 case wxBDIAGONAL_HATCH:
1811                         theIndex = 2;
1812                         break;
1813                 case wxFDIAGONAL_HATCH:
1814                         theIndex = 3;
1815                         break;
1816                 case wxCROSS_HATCH:
1817                         theIndex = 4;
1818                         break;
1819                 case wxHORIZONTAL_HATCH:
1820                         theIndex = 5;
1821                         break;
1822                 case wxVERTICAL_HATCH:
1823                         theIndex = 6;
1824                         break;
1825                 case wxCROSSDIAG_HATCH:
1826                         theIndex = 7;
1827                         break;
1828                 default:
1829                         theIndex = 1; // solid pattern
1830                         break;
1831         }
1832         *pattern = gHatchPatterns[theIndex-1] ;
1833 }
1834
1835 void wxDC::MacInstallPen() const
1836 {
1837     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1838
1839         Pattern  blackColor;
1840
1841 //      if ( m_macPenInstalled )
1842 //              return ;
1843
1844         RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1845         RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1846         ::RGBForeColor( &forecolor );
1847         ::RGBBackColor( &backcolor );
1848
1849         ::PenNormal() ;
1850         int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1851
1852         // null means only one pixel, at whatever resolution
1853         if ( penWidth == 0 )
1854                 penWidth = 1 ;
1855         ::PenSize(penWidth, penWidth);
1856
1857         int penStyle = m_pen.GetStyle();
1858
1859         if (penStyle == wxSOLID)
1860         {
1861                 ::PenPat(GetQDGlobalsBlack(&blackColor));
1862         }
1863         else if (IS_HATCH(penStyle))
1864         {
1865                 Pattern pat ;
1866                 wxMacGetHatchPattern(penStyle, &pat);
1867                 ::PenPat(&pat);
1868         }
1869         else
1870         {
1871             Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
1872             switch( penStyle )
1873             {
1874                 case wxDOT :
1875                 for ( int i = 0 ; i < 8 ; ++i )
1876                 {
1877                     pat.pat[i] = 0xCC ;
1878                 }
1879                     break ;
1880                 case wxLONG_DASH :
1881                 for ( int i = 0 ; i < 8 ; ++i )
1882                 {
1883                     pat.pat[i] = 0xFE ;
1884                 }
1885                     break ;
1886                 case wxSHORT_DASH :
1887                 for ( int i = 0 ; i < 8 ; ++i )
1888                 {
1889                     pat.pat[i] = 0xEE ;
1890                 }
1891                     break ;
1892                 case wxDOT_DASH :
1893                 for ( int i = 0 ; i < 8 ; ++i )
1894                 {
1895                     pat.pat[i] = 0x6F ;
1896                 }
1897                     break ;
1898                 case wxUSER_DASH :
1899                     {
1900                         wxDash* dash ;
1901                         int number = m_pen.GetDashes(&dash) ;
1902                         // right now we don't allocate larger pixmaps
1903                         for ( int i = 0 ; i < 8 ; ++i )
1904                         {
1905                             pat.pat[i] = dash[0] ;
1906                         }
1907                     }
1908                     break ;
1909             }
1910                 ::PenPat(&pat);
1911         }
1912
1913         short mode = patCopy ;
1914
1915         // todo :
1916
1917         switch( m_logicalFunction )
1918         {
1919                 case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1920                         mode = patOr ;
1921                         break ;
1922                 case wxINVERT:     // NOT dst
1923 //                      ::PenPat(GetQDGlobalsBlack(&blackColor));
1924                         mode = patXor ;
1925                         break ;
1926                 case wxXOR:        // src XOR dst
1927                         mode = patXor ;
1928                         break ;
1929                 case wxOR_REVERSE: // src OR (NOT dst)
1930                         mode = notPatOr ;
1931                         break ;
1932                 case wxSRC_INVERT: // (NOT src)
1933                         mode = notPatCopy ;
1934                         break ;
1935
1936                 // unsupported TODO
1937
1938                 case wxCLEAR:      // 0
1939                 case wxAND_REVERSE:// src AND (NOT dst)
1940                 case wxAND:        // src AND dst
1941                 case wxAND_INVERT: // (NOT src) AND dst
1942                 case wxNO_OP:      // dst
1943                 case wxNOR:        // (NOT src) AND (NOT dst)
1944                 case wxEQUIV:      // (NOT src) XOR dst
1945                 case wxOR_INVERT:  // (NOT src) OR dst
1946                 case wxNAND:       // (NOT src) OR (NOT dst)
1947                 case wxOR:         // src OR dst
1948                 case wxSET:        // 1
1949 //              case wxSRC_OR:     // source _bitmap_ OR destination
1950 //              case wxSRC_AND:     // source _bitmap_ AND destination
1951                         break ;
1952         }
1953         ::PenMode( mode ) ;
1954         m_macPenInstalled = true ;
1955         m_macBrushInstalled = false ;
1956         m_macFontInstalled = false ;
1957 }
1958
1959 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1960 {
1961     Pattern whiteColor ;
1962     switch( background.MacGetBrushKind() )
1963     {
1964       case kwxMacBrushTheme :
1965         {
1966                 ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1967           break ;
1968         }
1969       case kwxMacBrushThemeBackground :
1970         {
1971                 Rect extent ;
1972                 ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
1973                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1974           break ;
1975         }
1976       case kwxMacBrushColour :
1977         {
1978             ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1979                 int brushStyle = background.GetStyle();
1980                 if (brushStyle == wxSOLID)
1981                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1982                 else if (IS_HATCH(brushStyle))
1983                 {
1984                         Pattern pat ;
1985                         wxMacGetHatchPattern(brushStyle, &pat);
1986                         ::BackPat(&pat);
1987                 }
1988                 else
1989                 {
1990                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1991                 }
1992           break ;
1993         }
1994     }
1995 }
1996
1997 void wxDC::MacInstallBrush() const
1998 {
1999     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2000
2001         Pattern  blackColor ;
2002 //      if ( m_macBrushInstalled )
2003 //              return ;
2004
2005         // foreground
2006
2007         bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2008
2009         ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2010         ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2011
2012         int brushStyle = m_brush.GetStyle();
2013         if (brushStyle == wxSOLID)
2014         {
2015                 ::PenPat(GetQDGlobalsBlack(&blackColor));
2016     }
2017         else if (IS_HATCH(brushStyle))
2018         {
2019                 Pattern pat ;
2020                 wxMacGetHatchPattern(brushStyle, &pat);
2021                 ::PenPat(&pat);
2022         }
2023         else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2024         {
2025             // we force this in order to be compliant with wxMSW
2026             backgroundTransparent = false ;
2027             // for these the text fore (and back for MASK_OPAQUE) colors are used
2028             wxBitmap* bitmap = m_brush.GetStipple() ;
2029             int width = bitmap->GetWidth() ;
2030             int height = bitmap->GetHeight() ;
2031         GWorldPtr gw = NULL ;
2032
2033             if ( m_brush.GetStyle() == wxSTIPPLE )
2034                 gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2035             else
2036                 gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2037
2038         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2039         LockPixels( gwpixmaphandle ) ;
2040
2041             bool isMonochrome = !IsPortColor( gw ) ;
2042
2043         if ( !isMonochrome )
2044         {
2045             if ( (**gwpixmaphandle).pixelSize == 1 )
2046                 isMonochrome = true ;
2047         }
2048
2049         if ( isMonochrome && width == 8 && height == 8 )
2050             {
2051                 ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2052                 ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2053             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2054             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2055             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2056             Pattern pat ;
2057             for ( int i = 0 ; i < 8 ; ++i )
2058             {
2059                 pat.pat[i] = gwbits[i*alignment+0] ;
2060             }
2061             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2062             ::PenPat( &pat ) ;
2063             }
2064             else
2065             {
2066  // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2067  // caching scheme before putting this into production
2068                 Handle      image;
2069                 long            imageSize;
2070                 PixPatHandle pixpat = NewPixPat() ;
2071
2072                 CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2073             imageSize = GetPixRowBytes((**pixpat).patMap) *
2074                             ((**(**pixpat).patMap).bounds.bottom -
2075                             (**(**pixpat).patMap).bounds.top);
2076
2077             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2078             (**pixpat).patData = image;
2079             if ( isMonochrome )
2080             {
2081                     CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2082                     ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2083                     if ( ctspec[0].rgb.red == 0x0000 )
2084                     {
2085                         ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2086                         ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2087                     }
2088                     else
2089                     {
2090                         ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2091                         ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2092                     }
2093                     ::CTabChanged( ctable ) ;
2094             }
2095             ::PenPixPat(pixpat);
2096             m_macForegroundPixMap = pixpat ;
2097             }
2098             UnlockPixels( gwpixmaphandle ) ;
2099         }
2100     else
2101     {
2102             ::PenPat(GetQDGlobalsBlack(&blackColor));
2103         }
2104
2105         short mode = patCopy ;
2106         switch( m_logicalFunction )
2107         {
2108                 case wxCOPY:       // src
2109                     if ( backgroundTransparent )
2110                         mode = patOr ;
2111                     else
2112                             mode = patCopy ;
2113                         break ;
2114                 case wxINVERT:     // NOT dst
2115                     if ( !backgroundTransparent )
2116                     {
2117                             ::PenPat(GetQDGlobalsBlack(&blackColor));
2118                         }
2119                         mode = patXor ;
2120                         break ;
2121                 case wxXOR:        // src XOR dst
2122                         mode = patXor ;
2123                         break ;
2124                 case wxOR_REVERSE: // src OR (NOT dst)
2125                         mode = notPatOr ;
2126                         break ;
2127                 case wxSRC_INVERT: // (NOT src)
2128                         mode = notPatCopy ;
2129                         break ;
2130
2131                 // unsupported TODO
2132
2133                 case wxCLEAR:      // 0
2134                 case wxAND_REVERSE:// src AND (NOT dst)
2135                 case wxAND:        // src AND dst
2136                 case wxAND_INVERT: // (NOT src) AND dst
2137                 case wxNO_OP:      // dst
2138                 case wxNOR:        // (NOT src) AND (NOT dst)
2139                 case wxEQUIV:      // (NOT src) XOR dst
2140                 case wxOR_INVERT:  // (NOT src) OR dst
2141                 case wxNAND:       // (NOT src) OR (NOT dst)
2142                 case wxOR:         // src OR dst
2143                 case wxSET:        // 1
2144 //              case wxSRC_OR:     // source _bitmap_ OR destination
2145 //              case wxSRC_AND:     // source _bitmap_ AND destination
2146                         break ;
2147         }
2148         ::PenMode( mode ) ;
2149         m_macBrushInstalled = true ;
2150         m_macPenInstalled = false ;
2151         m_macFontInstalled = false ;
2152 }
2153
2154 // ---------------------------------------------------------------------------
2155 // coordinates transformations
2156 // ---------------------------------------------------------------------------
2157
2158
2159 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2160 {
2161     return ((wxDC *)this)->XDEV2LOG(x);
2162 }
2163
2164 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2165 {
2166     return ((wxDC *)this)->YDEV2LOG(y);
2167 }
2168
2169 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2170 {
2171     return ((wxDC *)this)->XDEV2LOGREL(x);
2172 }
2173
2174 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2175 {
2176     return ((wxDC *)this)->YDEV2LOGREL(y);
2177 }
2178
2179 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2180 {
2181     return ((wxDC *)this)->XLOG2DEV(x);
2182 }
2183
2184 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2185 {
2186     return ((wxDC *)this)->YLOG2DEV(y);
2187 }
2188
2189 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2190 {
2191     return ((wxDC *)this)->XLOG2DEVREL(x);
2192 }
2193
2194 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2195 {
2196     return ((wxDC *)this)->YLOG2DEVREL(y);
2197 }