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 #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 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  49 #ifndef M_PI
  50 const double M_PI = 3.14159265358979 ;
  51 #endif
  52 #endif
  53 const double RAD2DEG  = 180.0 / M_PI;
  54 const short kEmulatedMode = -1 ;
  55 const short kUnsupportedMode = -2 ;
  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 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
  71 {
  72     m_formerClip = NewRgn() ;
  73     m_newClip = NewRgn() ;
  74     GetClip( m_formerClip ) ;
  75
  76     if ( win )
  77     {
  78 #if 0
  79         // this clipping area was set to the parent window's drawing area, lead to problems
  80         // with MacOSX controls drawing outside their wx' rectangle
  81         RgnHandle insidergn = NewRgn() ;
  82         int x = 0 , y = 0;
  83         wxWindow *parent = win->GetParent() ;
  84         parent->MacWindowToRootWindow( &x,&y ) ;
  85         wxSize size = parent->GetSize() ;
  86         SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
  87             size.x - parent->MacGetRightBorderSize(),
  88             size.y - parent->MacGetBottomBorderSize()) ;
  89         CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
  90         SectRgn( m_newClip , insidergn , m_newClip ) ;
  91         OffsetRgn( m_newClip , x , y ) ;
  92         SetClip( m_newClip ) ;
  93         DisposeRgn( insidergn ) ;
  94 #else
  95         int x = 0 , y = 0;
  96         win->MacWindowToRootWindow( &x,&y ) ;
  97         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion().GetWXHRGN() , m_newClip ) ;
  98         OffsetRgn( m_newClip , x , y ) ;
  99         SetClip( m_newClip ) ;
 100 #endif
 101     }
 102 }
 103
 104 wxMacWindowClipper::~wxMacWindowClipper()
 105 {
 106     SetClip( m_formerClip ) ;
 107     DisposeRgn( m_newClip ) ;
 108     DisposeRgn( m_formerClip ) ;
 109 }
 110
 111 //-----------------------------------------------------------------------------
 112 // Local functions
 113 //-----------------------------------------------------------------------------
 114 static inline double dmin(double a, double b) { return a < b ? a : b; }
 115 static inline double dmax(double a, double b) { return a > b ? a : b; }
 116 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 117
 118 //-----------------------------------------------------------------------------
 119 // wxDC
 120 //-----------------------------------------------------------------------------
 121 // this function emulates all wx colour manipulations, used to verify the implementation
 122 // by setting the mode in the blitting functions to kEmulatedMode
 123 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 124
 125 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 126 {
 127     switch ( logical_func )
 128     {
 129         case wxAND:        // src AND dst
 130             dstColor.red = dstColor.red & srcColor.red ;
 131             dstColor.green = dstColor.green & srcColor.green ;
 132             dstColor.blue = dstColor.blue & srcColor.blue ;
 133             break ;
 134         case wxAND_INVERT: // (NOT src) AND dst
 135             dstColor.red = dstColor.red & ~srcColor.red ;
 136             dstColor.green = dstColor.green & ~srcColor.green ;
 137             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 138             break ;
 139         case wxAND_REVERSE:// src AND (NOT dst)
 140             dstColor.red = ~dstColor.red & srcColor.red ;
 141             dstColor.green = ~dstColor.green & srcColor.green ;
 142             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 143             break ;
 144         case wxCLEAR:      // 0
 145             dstColor.red = 0 ;
 146             dstColor.green = 0 ;
 147             dstColor.blue = 0 ;
 148             break ;
 149         case wxCOPY:       // src
 150             dstColor.red = srcColor.red ;
 151             dstColor.green = srcColor.green ;
 152             dstColor.blue = srcColor.blue ;
 153             break ;
 154         case wxEQUIV:      // (NOT src) XOR dst
 155             dstColor.red = dstColor.red ^ ~srcColor.red ;
 156             dstColor.green = dstColor.green ^ ~srcColor.green ;
 157             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 158             break ;
 159         case wxINVERT:     // NOT dst
 160             dstColor.red = ~dstColor.red ;
 161             dstColor.green = ~dstColor.green ;
 162             dstColor.blue = ~dstColor.blue ;
 163             break ;
 164         case wxNAND:       // (NOT src) OR (NOT dst)
 165             dstColor.red = ~dstColor.red | ~srcColor.red ;
 166             dstColor.green = ~dstColor.green | ~srcColor.green ;
 167             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 168             break ;
 169         case wxNOR:        // (NOT src) AND (NOT dst)
 170             dstColor.red = ~dstColor.red & ~srcColor.red ;
 171             dstColor.green = ~dstColor.green & ~srcColor.green ;
 172             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 173             break ;
 174         case wxNO_OP:      // dst
 175             break ;
 176         case wxOR:         // src OR dst
 177             dstColor.red = dstColor.red | srcColor.red ;
 178             dstColor.green = dstColor.green | srcColor.green ;
 179             dstColor.blue = dstColor.blue | srcColor.blue ;
 180             break ;
 181         case wxOR_INVERT:  // (NOT src) OR dst
 182             dstColor.red = dstColor.red | ~srcColor.red ;
 183             dstColor.green = dstColor.green | ~srcColor.green ;
 184             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 185             break ;
 186         case wxOR_REVERSE: // src OR (NOT dst)
 187             dstColor.red = ~dstColor.red | srcColor.red ;
 188             dstColor.green = ~dstColor.green | srcColor.green ;
 189             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 190             break ;
 191         case wxSET:        // 1
 192             dstColor.red = 0xFFFF ;
 193             dstColor.green = 0xFFFF ;
 194             dstColor.blue = 0xFFFF ;
 195             break ;
 196         case wxSRC_INVERT: // (NOT src)
 197             dstColor.red = ~srcColor.red ;
 198             dstColor.green = ~srcColor.green ;
 199             dstColor.blue = ~srcColor.blue ;
 200             break ;
 201         case wxXOR:        // src XOR dst
 202             dstColor.red = dstColor.red ^ srcColor.red ;
 203             dstColor.green = dstColor.green ^ srcColor.green ;
 204             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 205             break ;
 206     }
 207 }
 208
 209 wxDC::wxDC()
 210 {
 211     m_ok = FALSE;
 212     m_colour = TRUE;
 213     m_mm_to_pix_x = mm2pt;
 214     m_mm_to_pix_y = mm2pt;
 215     m_internalDeviceOriginX = 0;
 216     m_internalDeviceOriginY = 0;
 217     m_externalDeviceOriginX = 0;
 218     m_externalDeviceOriginY = 0;
 219     m_logicalScaleX = 1.0;
 220     m_logicalScaleY = 1.0;
 221     m_userScaleX = 1.0;
 222     m_userScaleY = 1.0;
 223     m_scaleX = 1.0;
 224     m_scaleY = 1.0;
 225     m_needComputeScaleX = FALSE;
 226     m_needComputeScaleY = FALSE;
 227     m_macPort = NULL ;
 228     m_macMask = NULL ;
 229     m_ok = FALSE ;
 230     m_macFontInstalled = false ;
 231     m_macBrushInstalled = false ;
 232     m_macPenInstalled = false ;
 233     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 234     m_macBoundaryClipRgn = NewRgn() ;
 235     m_macCurrentClipRgn = NewRgn() ;
 236     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 237     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 238     m_pen = *wxBLACK_PEN;
 239     m_font = *wxNORMAL_FONT;
 240     m_brush = *wxWHITE_BRUSH;
 241 #ifdef __WXDEBUG__
 242     // needed to debug possible errors with two active drawing methods at the same time on
 243     // the same DC
 244     m_macCurrentPortStateHelper = NULL ;
 245 #endif
 246     m_macATSUIStyle = NULL ;
 247     m_macAliasWasEnabled = false;
 248     m_macForegroundPixMap = NULL ;
 249     m_macBackgroundPixMap = NULL ;
 250 }
 251
 252 wxDC::~wxDC(void)
 253 {
 254     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 255     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 256 }
 257
 258 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 259 {
 260 #ifdef __WXDEBUG__
 261     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 262     m_macCurrentPortStateHelper = help ;
 263 #endif
 264     SetClip( (RgnHandle) m_macCurrentClipRgn);
 265     m_macFontInstalled = false ;
 266     m_macBrushInstalled = false ;
 267     m_macPenInstalled = false ;
 268 }
 269
 270 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 271 {
 272 #ifdef __WXDEBUG__
 273     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 274     m_macCurrentPortStateHelper = NULL ;
 275 #endif
 276     if( m_macATSUIStyle )
 277     {
 278         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 279         m_macATSUIStyle = NULL ;
 280     }
 281     if ( m_macAliasWasEnabled )
 282     {
 283         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 284         m_macAliasWasEnabled = false ;
 285     }
 286     if ( m_macForegroundPixMap )
 287     {
 288         Pattern blackColor ;
 289         ::PenPat(GetQDGlobalsBlack(&blackColor));
 290         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 291         m_macForegroundPixMap = NULL ;
 292     }
 293     if ( m_macBackgroundPixMap )
 294     {
 295         Pattern whiteColor ;
 296         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 297         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 298         m_macBackgroundPixMap = NULL ;
 299     }
 300 }
 301
 302 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 303 {
 304      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 305      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 306      wxMacPortSetter helper(this) ;
 307      wxCoord xx = XLOG2DEVMAC(x);
 308      wxCoord yy = YLOG2DEVMAC(y);
 309      wxCoord w = bmp.GetWidth();
 310      wxCoord h = bmp.GetHeight();
 311      wxCoord ww = XLOG2DEVREL(w);
 312      wxCoord hh = YLOG2DEVREL(h);
 313      // Set up drawing mode
 314      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 315                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 316                     //m_logicalFunction == wxSET ? BLACKNESS :
 317                     m_logicalFunction == wxINVERT ? hilite :
 318                    //m_logicalFunction == wxAND ? MERGECOPY :
 319                     m_logicalFunction == wxOR ? srcOr :
 320                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 321                     m_logicalFunction == wxXOR ? srcXor :
 322                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 323                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 324                     //m_logicalFunction == wxSRC_OR ? srcOr :
 325                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 326                     srcCopy );
 327      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 328          Rect bitmaprect = { 0 , 0 , hh, ww };
 329          ::OffsetRect( &bitmaprect, xx, yy ) ;
 330          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 331     }
 332      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 333      {
 334          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 335          PixMapHandle bmappixels ;
 336          // Set foreground and background colours (for bitmaps depth = 1)
 337          if(bmp.GetDepth() == 1)
 338         {
 339              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 340              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 341              RGBForeColor(&fore);
 342              RGBBackColor(&back);
 343          }
 344          else
 345          {
 346              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 347              RGBColor black = { 0,0,0} ;
 348              RGBForeColor( &black ) ;
 349              RGBBackColor( &white ) ;
 350          }
 351          bmappixels = GetGWorldPixMap( bmapworld ) ;
 352          wxCHECK_RET(LockPixels(bmappixels),
 353                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 354          Rect source = { 0, 0, h, w };
 355          Rect dest   = { yy, xx, yy + hh, xx + ww };
 356          if ( useMask && bmp.GetMask() )
 357          {
 358              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 359              {
 360                  CopyDeepMask
 361                      (
 362                       GetPortBitMapForCopyBits(bmapworld),
 363                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 364                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 365                       &source, &source, &dest, mode, NULL
 366                       );
 367                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 368              }
 369          }
 370          else {
 371              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 372                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 373                        &source, &dest, mode, NULL ) ;
 374          }
 375          UnlockPixels( bmappixels ) ;
 376      }
 377      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 378      {
 379         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 380         OffsetRect( &bitmaprect, xx, yy ) ;
 381         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 382      }
 383      m_macPenInstalled = false ;
 384      m_macBrushInstalled = false ;
 385      m_macFontInstalled = false ;
 386 }
 387
 388 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 389 {
 390     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 391     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 392     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 393 }
 394
 395 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 396 {
 397     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 398     wxCoord xx, yy, ww, hh;
 399     xx = XLOG2DEVMAC(x);
 400     yy = YLOG2DEVMAC(y);
 401     ww = XLOG2DEVREL(width);
 402     hh = YLOG2DEVREL(height);
 403     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 404     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 405     if( m_clipping )
 406     {
 407         m_clipX1 = wxMax( m_clipX1 , xx );
 408         m_clipY1 = wxMax( m_clipY1 , yy );
 409         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 410         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 411     }
 412     else
 413     {
 414         m_clipping = TRUE;
 415         m_clipX1 = xx;
 416         m_clipY1 = yy;
 417         m_clipX2 = xx + ww;
 418         m_clipY2 = yy + hh;
 419     }
 420 }
 421
 422 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 423 {
 424     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 425       wxMacPortSetter helper(this) ;
 426     if (region.Empty())
 427     {
 428         DestroyClippingRegion();
 429         return;
 430     }
 431     wxCoord x, y, w, h;
 432     region.GetBox( x, y, w, h );
 433     wxCoord xx, yy, ww, hh;
 434     xx = XLOG2DEVMAC(x);
 435     yy = YLOG2DEVMAC(y);
 436     ww = XLOG2DEVREL(w);
 437     hh = YLOG2DEVREL(h);
 438     // if we have a scaling that we cannot map onto native regions
 439     // we must use the box
 440     if ( ww != w || hh != h )
 441     {
 442         wxDC::DoSetClippingRegion( x, y, w, h );
 443     }
 444     else
 445     {
 446         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 447         if ( xx != x || yy != y )
 448         {
 449             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 450         }
 451         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 452         if( m_clipping )
 453         {
 454             m_clipX1 = wxMax( m_clipX1 , xx );
 455             m_clipY1 = wxMax( m_clipY1 , yy );
 456             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 457             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 458         }
 459         else
 460         {
 461             m_clipping = TRUE;
 462             m_clipX1 = xx;
 463             m_clipY1 = yy;
 464             m_clipX2 = xx + ww;
 465             m_clipY2 = yy + hh;
 466         }
 467     }
 468 }
 469
 470 void wxDC::DestroyClippingRegion()
 471 {
 472     wxMacPortSetter helper(this) ;
 473     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 474     m_clipping = FALSE;
 475 }
 476
 477 void wxDC::DoGetSizeMM( int* width, int* height ) const
 478 {
 479     int w = 0;
 480     int h = 0;
 481     GetSize( &w, &h );
 482     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 483     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 484 }
 485
 486 void wxDC::SetTextForeground( const wxColour &col )
 487 {
 488     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 489     m_textForegroundColour = col;
 490     m_macFontInstalled = false ;
 491 }
 492
 493 void wxDC::SetTextBackground( const wxColour &col )
 494 {
 495     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 496     m_textBackgroundColour = col;
 497     m_macFontInstalled = false ;
 498 }
 499
 500 void wxDC::SetMapMode( int mode )
 501 {
 502     switch (mode)
 503     {
 504     case wxMM_TWIPS:
 505         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 506         break;
 507     case wxMM_POINTS:
 508         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 509         break;
 510     case wxMM_METRIC:
 511         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 512         break;
 513     case wxMM_LOMETRIC:
 514         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 515         break;
 516     default:
 517     case wxMM_TEXT:
 518         SetLogicalScale( 1.0, 1.0 );
 519         break;
 520     }
 521     if (mode != wxMM_TEXT)
 522     {
 523         m_needComputeScaleX = TRUE;
 524         m_needComputeScaleY = TRUE;
 525     }
 526 }
 527
 528 void wxDC::SetUserScale( double x, double y )
 529 {
 530     // allow negative ? -> no
 531     m_userScaleX = x;
 532     m_userScaleY = y;
 533     ComputeScaleAndOrigin();
 534 }
 535
 536 void wxDC::SetLogicalScale( double x, double y )
 537 {
 538     // allow negative ?
 539     m_logicalScaleX = x;
 540     m_logicalScaleY = y;
 541     ComputeScaleAndOrigin();
 542 }
 543
 544 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 545 {
 546     m_logicalOriginX = x * m_signX;   // is this still correct ?
 547     m_logicalOriginY = y * m_signY;
 548     ComputeScaleAndOrigin();
 549 }
 550
 551 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 552 {
 553     m_externalDeviceOriginX = x;
 554     m_externalDeviceOriginY = y;
 555     ComputeScaleAndOrigin();
 556 }
 557
 558 #if 0
 559 void wxDC::SetInternalDeviceOrigin( long x, long y )
 560 {
 561     m_internalDeviceOriginX = x;
 562     m_internalDeviceOriginY = y;
 563     ComputeScaleAndOrigin();
 564 }
 565 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 566 {
 567     if (x) *x = m_internalDeviceOriginX;
 568     if (y) *y = m_internalDeviceOriginY;
 569 }
 570 #endif
 571
 572 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 573 {
 574     m_signX = (xLeftRight ?  1 : -1);
 575     m_signY = (yBottomUp  ? -1 :  1);
 576     ComputeScaleAndOrigin();
 577 }
 578
 579 wxSize wxDC::GetPPI() const
 580 {
 581     return wxSize(72, 72);
 582 }
 583
 584 int wxDC::GetDepth() const
 585 {
 586     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 587     {
 588         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 589     }
 590     return 1 ;
 591 }
 592
 593 void wxDC::ComputeScaleAndOrigin()
 594 {
 595     // CMB: copy scale to see if it changes
 596     double origScaleX = m_scaleX;
 597     double origScaleY = m_scaleY;
 598     m_scaleX = m_logicalScaleX * m_userScaleX;
 599     m_scaleY = m_logicalScaleY * m_userScaleY;
 600     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 601     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 602     // CMB: if scale has changed call SetPen to recalulate the line width
 603     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 604     {
 605         // this is a bit artificial, but we need to force wxDC to think
 606         // the pen has changed
 607         wxPen* pen = & GetPen();
 608         wxPen tempPen;
 609         m_pen = tempPen;
 610         SetPen(* pen);
 611     }
 612 }
 613
 614 void  wxDC::SetPalette( const wxPalette& palette )
 615 {
 616 }
 617
 618 void  wxDC::SetBackgroundMode( int mode )
 619 {
 620     m_backgroundMode = mode ;
 621 }
 622
 623 void  wxDC::SetFont( const wxFont &font )
 624 {
 625     m_font = font;
 626     m_macFontInstalled = false ;
 627 }
 628
 629 void  wxDC::SetPen( const wxPen &pen )
 630 {
 631     if ( m_pen == pen )
 632         return ;
 633     m_pen = pen;
 634     m_macPenInstalled = false ;
 635 }
 636
 637 void  wxDC::SetBrush( const wxBrush &brush )
 638 {
 639     if (m_brush == brush)
 640         return;
 641     m_brush = brush;
 642     m_macBrushInstalled = false ;
 643 }
 644
 645 void  wxDC::SetBackground( const wxBrush &brush )
 646 {
 647     if (m_backgroundBrush == brush)
 648         return;
 649     m_backgroundBrush = brush;
 650     if (!m_backgroundBrush.Ok())
 651         return;
 652     m_macBrushInstalled = false ;
 653 }
 654
 655 void  wxDC::SetLogicalFunction( int function )
 656 {
 657     if (m_logicalFunction == function)
 658         return;
 659     m_logicalFunction = function ;
 660     m_macFontInstalled = false ;
 661     m_macBrushInstalled = false ;
 662     m_macPenInstalled = false ;
 663 }
 664
 665 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 666                           const wxColour & col, int style);
 667
 668 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 669                        const wxColour& col, int style)
 670 {
 671     return wxDoFloodFill(this, x, y, col, style);
 672 }
 673
 674 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 675 {
 676     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 677     wxMacPortSetter helper(this) ;
 678     RGBColor colour;
 679     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 680     // Convert from Mac colour to wx
 681     col->Set( colour.red   >> 8,
 682         colour.green >> 8,
 683         colour.blue  >> 8);
 684     return true ;
 685 }
 686
 687 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 688 {
 689     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 690     wxMacPortSetter helper(this) ;
 691     if (m_pen.GetStyle() != wxTRANSPARENT)
 692     {
 693         MacInstallPen() ;
 694         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 695         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 696         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 697         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 698         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 699         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 700         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 701             (m_pen.GetWidth() <= 1))
 702         {
 703             // Implement LAST_NOT for MAC at least for
 704             // orthogonal lines. RR.
 705             if (xx1 == xx2)
 706             {
 707                 if (yy1 < yy2)
 708                     yy2--;
 709                 if (yy1 > yy2)
 710                     yy2++;
 711             }
 712             if (yy1 == yy2)
 713             {
 714                 if (xx1 < xx2)
 715                     xx2--;
 716                 if (xx1 > xx2)
 717                     xx2++;
 718             }
 719         }
 720         ::MoveTo(xx1, yy1);
 721         ::LineTo(xx2, yy2);
 722     }
 723 }
 724
 725 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 726 {
 727     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 728     wxMacPortSetter helper(this) ;
 729     if (m_pen.GetStyle() != wxTRANSPARENT)
 730     {
 731         int w = 0;
 732         int h = 0;
 733         GetSize( &w, &h );
 734         wxCoord xx = XLOG2DEVMAC(x);
 735         wxCoord yy = YLOG2DEVMAC(y);
 736         MacInstallPen();
 737         ::MoveTo( XLOG2DEVMAC(0), yy );
 738         ::LineTo( XLOG2DEVMAC(w), yy );
 739         ::MoveTo( xx, YLOG2DEVMAC(0) );
 740         ::LineTo( xx, YLOG2DEVMAC(h) );
 741         CalcBoundingBox(x, y);
 742         CalcBoundingBox(x+w, y+h);
 743     }
 744 }
 745
 746 /*
 747 * To draw arcs properly the angles need to be converted from the WX style:
 748 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 749 * a normal axis on paper).
 750 * TO
 751 * the Mac style:
 752 * Angles start on the +ve y axis and go clockwise.
 753 */
 754
 755 static double wxConvertWXangleToMACangle(double angle)
 756 {
 757     double newAngle = 90 - angle ;
 758     if ( newAngle < 0 )
 759         newAngle += 360 ;
 760     return newAngle ;
 761 }
 762
 763 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 764                       wxCoord x2, wxCoord y2,
 765                       wxCoord xc, wxCoord yc )
 766 {
 767     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 768     wxMacPortSetter helper(this) ;
 769     wxCoord xx1 = XLOG2DEVMAC(x1);
 770     wxCoord yy1 = YLOG2DEVMAC(y1);
 771     wxCoord xx2 = XLOG2DEVMAC(x2);
 772     wxCoord yy2 = YLOG2DEVMAC(y2);
 773     wxCoord xxc = XLOG2DEVMAC(xc);
 774     wxCoord yyc = YLOG2DEVMAC(yc);
 775     double dx = xx1 - xxc;
 776     double dy = yy1 - yyc;
 777     double radius = sqrt((double)(dx*dx+dy*dy));
 778     wxCoord rad   = (wxCoord)radius;
 779     double radius1, radius2;
 780     if (xx1 == xx2 && yy1 == yy2)
 781     {
 782         radius1 = 0.0;
 783         radius2 = 360.0;
 784     }
 785     else if (radius == 0.0)
 786     {
 787         radius1 = radius2 = 0.0;
 788     }
 789     else
 790     {
 791         radius1 = (xx1 - xxc == 0) ?
 792             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 793         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 794         radius2 = (xx2 - xxc == 0) ?
 795             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 796         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 797     }
 798     wxCoord alpha2 = wxCoord(radius2 - radius1);
 799     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 800     if( (xx1 > xx2) || (yy1 > yy2) ) {
 801         alpha2 *= -1;
 802     }
 803     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 804     if(m_brush.GetStyle() != wxTRANSPARENT) {
 805         MacInstallBrush();
 806         PaintArc(&r, alpha1, alpha2);
 807     }
 808     if(m_pen.GetStyle() != wxTRANSPARENT) {
 809         MacInstallPen();
 810         FrameArc(&r, alpha1, alpha2);
 811     }
 812 }
 813
 814 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 815                               double sa, double ea )
 816 {
 817     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 818     wxMacPortSetter helper(this) ;
 819     Rect r;
 820     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 821     // we have to make sure that the filling is always counter-clockwise
 822     if ( angle > 0 )
 823         angle -= 360 ;
 824     wxCoord xx = XLOG2DEVMAC(x);
 825     wxCoord yy = YLOG2DEVMAC(y);
 826     wxCoord ww = m_signX * XLOG2DEVREL(w);
 827     wxCoord hh = m_signY * YLOG2DEVREL(h);
 828     // handle -ve width and/or height
 829     if (ww < 0) { ww = -ww; xx = xx - ww; }
 830     if (hh < 0) { hh = -hh; yy = yy - hh; }
 831     sa = wxConvertWXangleToMACangle(sa);
 832     r.top    = yy;
 833     r.left   = xx;
 834     r.bottom = yy + hh;
 835     r.right  = xx + ww;
 836     if(m_brush.GetStyle() != wxTRANSPARENT) {
 837         MacInstallBrush();
 838         PaintArc(&r, (short)sa, (short)angle);
 839     }
 840     if(m_pen.GetStyle() != wxTRANSPARENT) {
 841         MacInstallPen();
 842         FrameArc(&r, (short)sa, (short)angle);
 843     }
 844 }
 845
 846 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 847 {
 848     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 849     wxMacPortSetter helper(this) ;
 850     if (m_pen.GetStyle() != wxTRANSPARENT)
 851     {
 852         wxCoord xx1 = XLOG2DEVMAC(x);
 853         wxCoord yy1 = YLOG2DEVMAC(y);
 854         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 855         ::SetCPixel( xx1,yy1,&pencolor) ;
 856         CalcBoundingBox(x, y);
 857     }
 858 }
 859
 860 void  wxDC::DoDrawLines(int n, wxPoint points[],
 861                         wxCoord xoffset, wxCoord yoffset)
 862 {
 863     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 864     wxMacPortSetter helper(this) ;
 865     if (m_pen.GetStyle() == wxTRANSPARENT)
 866         return;
 867     MacInstallPen() ;
 868     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 869     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 870     wxCoord x1, x2 , y1 , y2 ;
 871     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 872     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 873     ::MoveTo(x1 - offset, y1 - offset );
 874     for (int i = 0; i < n-1; i++)
 875     {
 876         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 877         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 878         ::LineTo( x2 - offset, y2 - offset );
 879     }
 880 }
 881
 882 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 883                           wxCoord xoffset, wxCoord yoffset,
 884                           int fillStyle )
 885 {
 886     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 887     wxMacPortSetter helper(this) ;
 888     wxCoord x1, x2 , y1 , y2 ;
 889     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 890         return ;
 891     PolyHandle polygon = OpenPoly();
 892     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 893     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 894     ::MoveTo(x1,y1);
 895     for (int i = 1; i < n; i++)
 896     {
 897         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 898         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 899         ::LineTo(x2, y2);
 900     }
 901     // close the polyline if necessary
 902     if ( x1 != x2 || y1 != y2 )
 903     {
 904         ::LineTo(x1,y1 ) ;
 905     }
 906     ClosePoly();
 907     if (m_brush.GetStyle() != wxTRANSPARENT)
 908     {
 909         MacInstallBrush();
 910         ::PaintPoly( polygon );
 911     }
 912     if (m_pen.GetStyle() != wxTRANSPARENT)
 913     {
 914         MacInstallPen() ;
 915         ::FramePoly( polygon ) ;
 916     }
 917     KillPoly( polygon );
 918 }
 919
 920 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 921 {
 922     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 923     wxMacPortSetter helper(this) ;
 924     wxCoord xx = XLOG2DEVMAC(x);
 925     wxCoord yy = YLOG2DEVMAC(y);
 926     wxCoord ww = m_signX * XLOG2DEVREL(width);
 927     wxCoord hh = m_signY * YLOG2DEVREL(height);
 928     // CMB: draw nothing if transformed w or h is 0
 929     if (ww == 0 || hh == 0)
 930         return;
 931     // CMB: handle -ve width and/or height
 932     if (ww < 0)
 933     {
 934         ww = -ww;
 935         xx = xx - ww;
 936     }
 937     if (hh < 0)
 938     {
 939         hh = -hh;
 940         yy = yy - hh;
 941     }
 942     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 943     if (m_brush.GetStyle() != wxTRANSPARENT)
 944     {
 945         MacInstallBrush() ;
 946         ::PaintRect( &rect ) ;
 947     }
 948     if (m_pen.GetStyle() != wxTRANSPARENT)
 949     {
 950         MacInstallPen() ;
 951         ::FrameRect( &rect ) ;
 952     }
 953 }
 954
 955 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 956                                    wxCoord width, wxCoord height,
 957                                    double radius)
 958 {
 959     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 960     wxMacPortSetter helper(this) ;
 961     if (radius < 0.0)
 962         radius = - radius * ((width < height) ? width : height);
 963     wxCoord xx = XLOG2DEVMAC(x);
 964     wxCoord yy = YLOG2DEVMAC(y);
 965     wxCoord ww = m_signX * XLOG2DEVREL(width);
 966     wxCoord hh = m_signY * YLOG2DEVREL(height);
 967     // CMB: draw nothing if transformed w or h is 0
 968     if (ww == 0 || hh == 0)
 969         return;
 970     // CMB: handle -ve width and/or height
 971     if (ww < 0)
 972     {
 973         ww = -ww;
 974         xx = xx - ww;
 975     }
 976     if (hh < 0)
 977     {
 978         hh = -hh;
 979         yy = yy - hh;
 980     }
 981     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 982     if (m_brush.GetStyle() != wxTRANSPARENT)
 983     {
 984         MacInstallBrush() ;
 985         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 986     }
 987     if (m_pen.GetStyle() != wxTRANSPARENT)
 988     {
 989         MacInstallPen() ;
 990         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 991     }
 992 }
 993
 994 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 995 {
 996     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 997     wxMacPortSetter helper(this) ;
 998     wxCoord xx = XLOG2DEVMAC(x);
 999     wxCoord yy = YLOG2DEVMAC(y);
1000     wxCoord ww = m_signX * XLOG2DEVREL(width);
1001     wxCoord hh = m_signY * YLOG2DEVREL(height);
1002     // CMB: draw nothing if transformed w or h is 0
1003     if (ww == 0 || hh == 0)
1004         return;
1005     // CMB: handle -ve width and/or height
1006     if (ww < 0)
1007     {
1008         ww = -ww;
1009         xx = xx - ww;
1010     }
1011     if (hh < 0)
1012     {
1013         hh = -hh;
1014         yy = yy - hh;
1015     }
1016     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1017     if (m_brush.GetStyle() != wxTRANSPARENT)
1018     {
1019         MacInstallBrush() ;
1020         ::PaintOval( &rect ) ;
1021     }
1022     if (m_pen.GetStyle() != wxTRANSPARENT)
1023     {
1024         MacInstallPen() ;
1025         ::FrameOval( &rect ) ;
1026     }
1027 }
1028
1029 bool  wxDC::CanDrawBitmap(void) const
1030 {
1031     return true ;
1032 }
1033
1034 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1035                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1036                    wxCoord xsrcMask,  wxCoord ysrcMask )
1037 {
1038     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1039     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1040     if ( logical_func == wxNO_OP )
1041         return TRUE ;
1042     if (xsrcMask == -1 && ysrcMask == -1)
1043     {
1044         xsrcMask = xsrc; ysrcMask = ysrc;
1045     }
1046     // correct the parameter in case this dc does not have a mask at all
1047     if ( useMask && !source->m_macMask )
1048         useMask = false ;
1049     Rect srcrect , dstrect ;
1050     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1051     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1052     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1053     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1054     dstrect.top = YLOG2DEVMAC(ydest) ;
1055     dstrect.left = XLOG2DEVMAC(xdest) ;
1056     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1057     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1058     short mode = kUnsupportedMode ;
1059     bool invertDestinationFirst = false ;
1060     switch ( logical_func )
1061     {
1062     case wxAND:        // src AND dst
1063         mode = adMin ; // ok
1064         break ;
1065     case wxAND_INVERT: // (NOT src) AND dst
1066         mode = notSrcOr  ; // ok
1067         break ;
1068     case wxAND_REVERSE:// src AND (NOT dst)
1069         invertDestinationFirst = true ;
1070         mode = srcOr ;
1071         break ;
1072     case wxCLEAR:      // 0
1073         mode = kEmulatedMode ;
1074         break ;
1075     case wxCOPY:       // src
1076         mode = srcCopy ; // ok
1077         break ;
1078     case wxEQUIV:      // (NOT src) XOR dst
1079         mode = srcXor ; // ok
1080         break ;
1081     case wxINVERT:     // NOT dst
1082         mode = kEmulatedMode ; //or hilite ;
1083         break ;
1084     case wxNAND:       // (NOT src) OR (NOT dst)
1085         invertDestinationFirst = true ;
1086         mode = srcBic ;
1087         break ;
1088     case wxNOR:        // (NOT src) AND (NOT dst)
1089         invertDestinationFirst = true ;
1090         mode = notSrcOr ;
1091         break ;
1092     case wxNO_OP:      // dst
1093         mode = kEmulatedMode ; // this has already been handled upon entry
1094         break ;
1095     case wxOR:         // src OR dst
1096         mode = notSrcBic ;
1097         break ;
1098     case wxOR_INVERT:  // (NOT src) OR dst
1099         mode = srcBic ;
1100         break ;
1101     case wxOR_REVERSE: // src OR (NOT dst)
1102         invertDestinationFirst = true ;
1103         mode = notSrcBic ;
1104         break ;
1105     case wxSET:        // 1
1106         mode = kEmulatedMode ;
1107         break ;
1108     case wxSRC_INVERT: // (NOT src)
1109         mode = notSrcCopy ; // ok
1110         break ;
1111     case wxXOR:        // src XOR dst
1112         mode = notSrcXor ; // ok
1113         break ;
1114     default :
1115         break ;
1116     }
1117     if ( mode == kUnsupportedMode )
1118     {
1119         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1120         return FALSE ;
1121     }
1122     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1123     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1124     if ( LockPixels(bmappixels) )
1125     {
1126         wxMacPortSetter helper(this) ;
1127         if ( source->GetDepth() == 1 )
1128         {
1129             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1130             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1131         }
1132         else
1133         {
1134             // the modes need this, otherwise we'll end up having really nice colors...
1135             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1136             RGBColor    black = { 0,0,0} ;
1137             RGBForeColor( &black ) ;
1138             RGBBackColor( &white ) ;
1139         }
1140         if ( useMask && source->m_macMask )
1141         {
1142             if ( mode == srcCopy )
1143             {
1144                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1145                 {
1146                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1147                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1148                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1149                         &srcrect, &srcrect , &dstrect ) ;
1150                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1151                 }
1152             }
1153             else
1154             {
1155                 RgnHandle clipRgn = NewRgn() ;
1156                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1157                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1158                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1159                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1160                 if ( mode == kEmulatedMode )
1161                 {
1162                     Pattern pat ;
1163                     ::PenPat(GetQDGlobalsBlack(&pat));
1164                     if ( logical_func == wxSET )
1165                     {
1166                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1167                         ::RGBForeColor( &col  ) ;
1168                         ::PaintRgn( clipRgn ) ;
1169                     }
1170                     else if ( logical_func == wxCLEAR )
1171                     {
1172                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1173                         ::RGBForeColor( &col  ) ;
1174                         ::PaintRgn( clipRgn ) ;
1175                     }
1176                     else if ( logical_func == wxINVERT )
1177                     {
1178                         MacInvertRgn( clipRgn ) ;
1179                     }
1180                     else
1181                     {
1182                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1183                         {
1184                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1185                             {
1186                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1187                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1188                                 if ( PtInRgn( dstPoint , clipRgn ) )
1189                                 {
1190                                     RGBColor srcColor ;
1191                                     RGBColor dstColor ;
1192                                     SetPort( (GrafPtr) sourcePort ) ;
1193                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1194                                     SetPort( (GrafPtr) m_macPort ) ;
1195                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1196                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1197                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1198                                 }
1199                             }
1200                         }
1201                     }
1202                 }
1203                 else
1204                 {
1205                     if ( invertDestinationFirst )
1206                     {
1207                         MacInvertRgn( clipRgn ) ;
1208                     }
1209                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1210                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1211                         &srcrect, &dstrect, mode, clipRgn ) ;
1212                 }
1213                 DisposeRgn( clipRgn ) ;
1214             }
1215         }
1216         else
1217         {
1218             RgnHandle clipRgn = NewRgn() ;
1219             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1220             if ( mode == kEmulatedMode )
1221             {
1222                 Pattern pat ;
1223                 ::PenPat(GetQDGlobalsBlack(&pat));
1224                 if ( logical_func == wxSET )
1225                 {
1226                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1227                     ::RGBForeColor( &col  ) ;
1228                     ::PaintRgn( clipRgn ) ;
1229                 }
1230                 else if ( logical_func == wxCLEAR )
1231                 {
1232                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1233                     ::RGBForeColor( &col  ) ;
1234                     ::PaintRgn( clipRgn ) ;
1235                 }
1236                 else if ( logical_func == wxINVERT )
1237                 {
1238                     MacInvertRgn( clipRgn ) ;
1239                 }
1240                 else
1241                 {
1242                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1243                     {
1244                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1245                         {
1246                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1247                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1248                             {
1249                                 RGBColor srcColor ;
1250                                 RGBColor dstColor ;
1251                                 SetPort( (GrafPtr) sourcePort ) ;
1252                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1253                                 SetPort( (GrafPtr) m_macPort ) ;
1254                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1255                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1256                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1257                             }
1258                         }
1259                     }
1260                 }
1261             }
1262             else
1263             {
1264                 if ( invertDestinationFirst )
1265                 {
1266                     MacInvertRgn( clipRgn ) ;
1267                 }
1268                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1269                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1270                     &srcrect, &dstrect, mode, NULL ) ;
1271             }
1272             DisposeRgn( clipRgn ) ;
1273         }
1274         UnlockPixels( bmappixels ) ;
1275     }
1276     m_macPenInstalled = false ;
1277     m_macBrushInstalled = false ;
1278     m_macFontInstalled = false ;
1279     return TRUE;
1280 }
1281
1282 inline Fixed    IntToFixed( int inInt )
1283 {
1284     return (((SInt32) inInt) << 16);
1285 }
1286
1287 inline int    FixedToInt( Fixed inFixed )
1288 {
1289     return (((SInt32) inFixed) >> 16);
1290 }
1291
1292 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1293                               double angle)
1294 {
1295     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1296
1297     if (angle == 0.0 )
1298     {
1299         DrawText(str, x, y);
1300         return;
1301     }
1302
1303     if ( str.Length() == 0 )
1304         return ;
1305
1306     wxMacPortSetter helper(this) ;
1307     MacInstallFont() ;
1308
1309     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1310     if ( 0 )
1311     {
1312         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1313         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * font->m_macFontSize));
1314         m_macAliasWasEnabled = true ;
1315     }
1316     OSStatus status = noErr ;
1317     ATSUTextLayout atsuLayout ;
1318     UniCharCount chars = str.Length() ;
1319 #if wxUSE_UNICODE
1320     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1321         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1322 #else
1323     TECObjectRef ec;
1324     status = TECCreateConverter(&ec,
1325                                 wxApp::s_macDefaultEncodingIsPC
1326                                     ? (int)kTextEncodingWindowsLatin1
1327                                     : (int)kTextEncodingMacRoman,
1328                                 kTextEncodingUnicodeDefault);
1329
1330     wxASSERT_MSG( status == noErr , wxT("couldn't start converter") ) ;
1331     ByteCount byteOutLen ;
1332     ByteCount byteInLen = str.Length() ;
1333     ByteCount byteBufferLen = byteInLen *2 ;
1334     char* buf = new char[byteBufferLen] ;
1335     status = TECConvertText(ec, (ConstTextPtr)str.c_str() , byteInLen, &byteInLen,
1336         (TextPtr)buf, byteBufferLen, &byteOutLen);
1337     wxASSERT_MSG( status == noErr , wxT("couldn't convert text") ) ;
1338     status = TECDisposeConverter(ec);
1339     wxASSERT_MSG( status == noErr , wxT("couldn't dispose converter") ) ;
1340     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1341         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1342 #endif
1343     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1344     int iAngle = int( angle );
1345     int drawX = XLOG2DEVMAC(x) ;
1346     int drawY = YLOG2DEVMAC(y) ;
1347
1348     ATSUTextMeasurement textBefore ;
1349     ATSUTextMeasurement textAfter ;
1350     ATSUTextMeasurement ascent ;
1351     ATSUTextMeasurement descent ;
1352
1353
1354     if ( abs(iAngle) > 0 )
1355     {
1356         Fixed atsuAngle = IntToFixed( iAngle ) ;
1357         ATSUAttributeTag atsuTags[] =
1358         {
1359             kATSULineRotationTag ,
1360         } ;
1361         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1362         {
1363             sizeof( Fixed ) ,
1364         } ;
1365         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1366         {
1367             &atsuAngle ,
1368         } ;
1369         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1370             atsuTags, atsuSizes, atsuValues ) ;
1371     }
1372     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1373         &textBefore , &textAfter, &ascent , &descent );
1374
1375     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1376     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1377     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1378         IntToFixed(drawX) , IntToFixed(drawY) );
1379     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1380     Rect rect ;
1381     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1382         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1383     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1384     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1385     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1386     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1387     ::ATSUDisposeTextLayout(atsuLayout);
1388 #if wxUSE_UNICODE
1389 #else
1390     delete[] buf ;
1391 #endif
1392 }
1393
1394 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1395 {
1396     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1397
1398     wxMacPortSetter helper(this) ;
1399     long xx = XLOG2DEVMAC(x);
1400     long yy = YLOG2DEVMAC(y);
1401 #if TARGET_CARBON
1402
1403     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1404     if ( IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1405         useDrawThemeText = false ;
1406 #endif
1407     MacInstallFont() ;
1408     if ( 0 )
1409     {
1410         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1411         SetAntiAliasedTextEnabled(true, 8);
1412         m_macAliasWasEnabled = true ;
1413     }
1414     FontInfo fi ;
1415     ::GetFontInfo( &fi ) ;
1416 #if TARGET_CARBON
1417     if ( !useDrawThemeText )
1418 #endif
1419         yy += fi.ascent ;
1420     ::MoveTo( xx , yy );
1421     if (  m_backgroundMode == wxTRANSPARENT )
1422     {
1423         ::TextMode( srcOr) ;
1424     }
1425     else
1426     {
1427         ::TextMode( srcCopy ) ;
1428     }
1429     int length = strtext.Length() ;
1430
1431     int laststop = 0 ;
1432     int i = 0 ;
1433     int line = 0 ;
1434     {
1435         while( i < length )
1436         {
1437             if( strtext[i] == 13 || strtext[i] == 10)
1438             {
1439                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1440 #if TARGET_CARBON
1441                 if ( useDrawThemeText )
1442                 {
1443                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1444                     wxMacCFStringHolder mString( linetext ) ;
1445                     if ( m_backgroundMode != wxTRANSPARENT )
1446                     {
1447                         Point bounds={0,0} ;
1448                         Rect background = frame ;
1449                         SInt16 baseline ;
1450                         ::GetThemeTextDimensions( mString,
1451                             kThemeCurrentPortFont,
1452                             kThemeStateActive,
1453                             false,
1454                             &bounds,
1455                             &baseline );
1456                         background.right = background.left + bounds.h ;
1457                         background.bottom = background.top + bounds.v ;
1458                         ::EraseRect( &background ) ;
1459                     }
1460                     ::DrawThemeTextBox( mString,
1461                         kThemeCurrentPortFont,
1462                         kThemeStateActive,
1463                         false,
1464                         &frame,
1465                         teJustLeft,
1466                         nil );
1467                     line++ ;
1468                 }
1469                 else
1470 #endif
1471                 {
1472                                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1473                     ::DrawText( text , 0 , strlen(text) ) ;
1474                     line++ ;
1475                     ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1476                 }
1477                 laststop = i+1 ;
1478             }
1479             i++ ;
1480         }
1481         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1482 #if TARGET_CARBON
1483         if ( useDrawThemeText )
1484         {
1485             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1486             wxMacCFStringHolder mString( linetext ) ;
1487
1488             if ( m_backgroundMode != wxTRANSPARENT )
1489             {
1490                 Point bounds={0,0} ;
1491                 Rect background = frame ;
1492                 SInt16 baseline ;
1493                 ::GetThemeTextDimensions( mString,
1494                     kThemeCurrentPortFont,
1495                     kThemeStateActive,
1496                     false,
1497                     &bounds,
1498                     &baseline );
1499                 background.right = background.left + bounds.h ;
1500                 background.bottom = background.top + bounds.v ;
1501                 ::EraseRect( &background ) ;
1502             }
1503             ::DrawThemeTextBox( mString,
1504                 kThemeCurrentPortFont,
1505                 kThemeStateActive,
1506                 false,
1507                 &frame,
1508                 teJustLeft,
1509                 nil );
1510         }
1511         else
1512 #endif
1513         {
1514                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1515             ::DrawText( text , 0 , strlen(text) ) ;
1516          }
1517     }
1518     ::TextMode( srcOr ) ;
1519 }
1520
1521 bool  wxDC::CanGetTextExtent() const
1522 {
1523     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1524     return true ;
1525 }
1526
1527 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1528                             wxCoord *descent, wxCoord *externalLeading ,
1529                             wxFont *theFont ) const
1530 {
1531     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1532     wxMacPortSetter helper(this) ;
1533     wxFont formerFont = m_font ;
1534     if ( theFont )
1535     {
1536         // work around the constness
1537         *((wxFont*)(&m_font)) = *theFont ;
1538     }
1539     MacInstallFont() ;
1540     FontInfo fi ;
1541     ::GetFontInfo( &fi ) ;
1542 #if TARGET_CARBON
1543     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1544         if ( IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1545         useGetThemeText = false ;
1546 #endif
1547     if ( height )
1548         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1549     if ( descent )
1550         *descent =YDEV2LOGREL( fi.descent );
1551     if ( externalLeading )
1552         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1553     int length = strtext.Length() ;
1554     /*
1555     const char *text = NULL ;
1556     wxString macText ;
1557     if ( wxApp::s_macDefaultEncodingIsPC )
1558     {
1559         macText = wxMacMakeMacStringFromPC( string ) ;
1560         text = macText ;
1561         length = macText.Length() ;
1562     }
1563     else
1564     {
1565         text = string ;
1566         length = string.Length() ;
1567     }
1568     */
1569     int laststop = 0 ;
1570     int i = 0 ;
1571     int curwidth = 0 ;
1572     if ( width )
1573     {
1574         *width = 0 ;
1575         while( i < length )
1576         {
1577             if( strtext[i] == 13 || strtext[i] == 10)
1578             {
1579                 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1580                 if ( height )
1581                     *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1582 #if TARGET_CARBON
1583                 if ( useGetThemeText )
1584                 {
1585                     Point bounds={0,0} ;
1586                     SInt16 baseline ;
1587                     wxMacCFStringHolder mString( linetext ) ;
1588                     ::GetThemeTextDimensions( mString,
1589                         kThemeCurrentPortFont,
1590                         kThemeStateActive,
1591                         false,
1592                         &bounds,
1593                         &baseline );
1594                     curwidth = bounds.h ;
1595                 }
1596                 else
1597 #endif
1598                 {
1599                                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1600                         curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1601                 }
1602                 if ( curwidth > *width )
1603                     *width = XDEV2LOGREL( curwidth ) ;
1604                 laststop = i+1 ;
1605             }
1606             i++ ;
1607         }
1608
1609         wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1610 #if TARGET_CARBON
1611         if ( useGetThemeText )
1612         {
1613             Point bounds={0,0} ;
1614             SInt16 baseline ;
1615             wxMacCFStringHolder mString( linetext ) ;
1616             ::GetThemeTextDimensions( mString,
1617                 kThemeCurrentPortFont,
1618                 kThemeStateActive,
1619                 false,
1620                 &bounds,
1621                 &baseline );
1622             curwidth = bounds.h ;
1623         }
1624         else
1625 #endif
1626         {
1627                         wxCharBuffer text = wxMacStringToCString(linetext) ;
1628             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1629         }
1630         if ( curwidth > *width )
1631             *width = XDEV2LOGREL( curwidth ) ;
1632     }
1633     if ( theFont )
1634     {
1635         // work around the constness
1636         *((wxFont*)(&m_font)) = formerFont ;
1637         m_macFontInstalled = false ;
1638     }
1639 }
1640
1641 wxCoord   wxDC::GetCharWidth(void) const
1642 {
1643     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1644     wxMacPortSetter helper(this) ;
1645     MacInstallFont() ;
1646     int width = 0 ;
1647 #if TARGET_CARBON
1648     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1649     if ( ((wxFont*)&m_font)->GetNoAntiAliasing() )
1650         useGetThemeText = false ;
1651 #endif
1652     char text[] = "H" ;
1653 #if TARGET_CARBON
1654     if ( useGetThemeText )
1655     {
1656         Point bounds={0,0} ;
1657         SInt16 baseline ;
1658         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1659         ::GetThemeTextDimensions( mString,
1660             kThemeCurrentPortFont,
1661             kThemeStateActive,
1662             false,
1663             &bounds,
1664             &baseline );
1665         CFRelease( mString ) ;
1666         width = bounds.h ;
1667     }
1668     else
1669 #endif
1670     {
1671         width = ::TextWidth( text , 0 , 1 ) ;
1672     }
1673     return YDEV2LOGREL(width) ;
1674 }
1675
1676 wxCoord   wxDC::GetCharHeight(void) const
1677 {
1678     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1679     wxMacPortSetter helper(this) ;
1680     MacInstallFont() ;
1681     FontInfo fi ;
1682     ::GetFontInfo( &fi ) ;
1683     return YDEV2LOGREL( fi.descent + fi.ascent );
1684 }
1685
1686 void  wxDC::Clear(void)
1687 {
1688     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1689     wxMacPortSetter helper(this) ;
1690     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1691     if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1692     {
1693         ::PenNormal() ;
1694         //MacInstallBrush() ;
1695         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1696         ::EraseRect( &rect ) ;
1697     }
1698 }
1699
1700 void wxDC::MacInstallFont() const
1701 {
1702     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1703     //    if ( m_macFontInstalled )
1704     //        return ;
1705     Pattern blackColor ;
1706     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1707     wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1708     if ( font )
1709     {
1710         ::TextFont( font->m_macFontNum ) ;
1711         ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1712         ::TextFace( font->m_macFontStyle ) ;
1713         m_macFontInstalled = true ;
1714         m_macBrushInstalled = false ;
1715         m_macPenInstalled = false ;
1716         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1717         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1718         ::RGBForeColor( &forecolor );
1719         ::RGBBackColor( &backcolor );
1720     }
1721     else
1722     {
1723         FontFamilyID fontId ;
1724         Str255 fontName ;
1725         SInt16 fontSize ;
1726         Style fontStyle ;
1727         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1728         GetFNum( fontName, &fontId );
1729         ::TextFont( fontId ) ;
1730         ::TextSize( short(m_scaleY * fontSize) ) ;
1731         ::TextFace( fontStyle ) ;
1732         // todo reset after spacing changes - or store the current spacing somewhere
1733         m_macFontInstalled = true ;
1734         m_macBrushInstalled = false ;
1735         m_macPenInstalled = false ;
1736         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1737         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1738         ::RGBForeColor( &forecolor );
1739         ::RGBBackColor( &backcolor );
1740     }
1741     short mode = patCopy ;
1742     // todo :
1743     switch( m_logicalFunction )
1744     {
1745     case wxCOPY:       // src
1746         mode = patCopy ;
1747         break ;
1748     case wxINVERT:     // NOT dst
1749         ::PenPat(GetQDGlobalsBlack(&blackColor));
1750         mode = patXor ;
1751         break ;
1752     case wxXOR:        // src XOR dst
1753         mode = patXor ;
1754         break ;
1755     case wxOR_REVERSE: // src OR (NOT dst)
1756         mode = notPatOr ;
1757         break ;
1758     case wxSRC_INVERT: // (NOT src)
1759         mode = notPatCopy ;
1760         break ;
1761     case wxAND: // src AND dst
1762         mode = adMin ;
1763         break ;
1764         // unsupported TODO
1765     case wxCLEAR:      // 0
1766     case wxAND_REVERSE:// src AND (NOT dst)
1767     case wxAND_INVERT: // (NOT src) AND dst
1768     case wxNO_OP:      // dst
1769     case wxNOR:        // (NOT src) AND (NOT dst)
1770     case wxEQUIV:      // (NOT src) XOR dst
1771     case wxOR_INVERT:  // (NOT src) OR dst
1772     case wxNAND:       // (NOT src) OR (NOT dst)
1773     case wxOR:         // src OR dst
1774     case wxSET:        // 1
1775         //        case wxSRC_OR:     // source _bitmap_ OR destination
1776         //        case wxSRC_AND:     // source _bitmap_ AND destination
1777         break ;
1778     }
1779     ::PenMode( mode ) ;
1780     OSStatus status = noErr ;
1781     Fixed atsuSize = IntToFixed( int(m_scaleY * font->m_macFontSize) ) ;
1782     Style qdStyle = font->m_macFontStyle ;
1783     ATSUFontID    atsuFont = font->m_macATSUFontID ;
1784     status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
1785     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1786     ATSUAttributeTag atsuTags[] =
1787     {
1788         kATSUFontTag ,
1789             kATSUSizeTag ,
1790             //        kATSUColorTag ,
1791             //        kATSUBaselineClassTag ,
1792             kATSUVerticalCharacterTag,
1793             kATSUQDBoldfaceTag ,
1794             kATSUQDItalicTag ,
1795             kATSUQDUnderlineTag ,
1796             kATSUQDCondensedTag ,
1797             kATSUQDExtendedTag ,
1798     } ;
1799     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1800     {
1801         sizeof( ATSUFontID ) ,
1802             sizeof( Fixed ) ,
1803             //        sizeof( RGBColor ) ,
1804             //        sizeof( BslnBaselineClass ) ,
1805             sizeof( ATSUVerticalCharacterType),
1806             sizeof( Boolean ) ,
1807             sizeof( Boolean ) ,
1808             sizeof( Boolean ) ,
1809             sizeof( Boolean ) ,
1810             sizeof( Boolean ) ,
1811     } ;
1812     Boolean kTrue = true ;
1813     Boolean kFalse = false ;
1814     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1815     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1816     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1817     {
1818         &atsuFont ,
1819             &atsuSize ,
1820             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1821             //        &kBaselineDefault ,
1822             &kHorizontal,
1823             (qdStyle & bold) ? &kTrue : &kFalse ,
1824             (qdStyle & italic) ? &kTrue : &kFalse ,
1825             (qdStyle & underline) ? &kTrue : &kFalse ,
1826             (qdStyle & condense) ? &kTrue : &kFalse ,
1827             (qdStyle & extend) ? &kTrue : &kFalse ,
1828     } ;
1829     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1830         atsuTags, atsuSizes, atsuValues);
1831     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1832 }
1833
1834 Pattern gHatchPatterns[] =
1835 {
1836     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } },
1837     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } },
1838     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } },
1839     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } },
1840     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } },
1841     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } },
1842     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } }
1843 } ;
1844
1845 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1846 {
1847     int theIndex = 1 ;
1848     switch(hatchStyle)
1849     {
1850     case wxBDIAGONAL_HATCH:
1851         theIndex = 2;
1852         break;
1853     case wxFDIAGONAL_HATCH:
1854         theIndex = 3;
1855         break;
1856     case wxCROSS_HATCH:
1857         theIndex = 4;
1858         break;
1859     case wxHORIZONTAL_HATCH:
1860         theIndex = 5;
1861         break;
1862     case wxVERTICAL_HATCH:
1863         theIndex = 6;
1864         break;
1865     case wxCROSSDIAG_HATCH:
1866         theIndex = 7;
1867         break;
1868     default:
1869         theIndex = 1; // solid pattern
1870         break;
1871     }
1872     *pattern = gHatchPatterns[theIndex-1] ;
1873 }
1874
1875 void wxDC::MacInstallPen() const
1876 {
1877     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1878     Pattern     blackColor;
1879     //    if ( m_macPenInstalled )
1880     //        return ;
1881     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1882     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1883     ::RGBForeColor( &forecolor );
1884     ::RGBBackColor( &backcolor );
1885     ::PenNormal() ;
1886     int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1887     // null means only one pixel, at whatever resolution
1888     if ( penWidth == 0 )
1889         penWidth = 1 ;
1890     ::PenSize(penWidth, penWidth);
1891     int penStyle = m_pen.GetStyle();
1892     if (penStyle == wxSOLID)
1893     {
1894         ::PenPat(GetQDGlobalsBlack(&blackColor));
1895     }
1896     else if (IS_HATCH(penStyle))
1897     {
1898         Pattern pat ;
1899         wxMacGetHatchPattern(penStyle, &pat);
1900         ::PenPat(&pat);
1901     }
1902     else
1903     {
1904         Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
1905         switch( penStyle )
1906         {
1907         case wxDOT :
1908             for ( int i = 0 ; i < 8 ; ++i )
1909             {
1910                 pat.pat[i] = 0xCC ;
1911             }
1912             break ;
1913         case wxLONG_DASH :
1914             for ( int i = 0 ; i < 8 ; ++i )
1915             {
1916                 pat.pat[i] = 0xFE ;
1917             }
1918             break ;
1919         case wxSHORT_DASH :
1920             for ( int i = 0 ; i < 8 ; ++i )
1921             {
1922                 pat.pat[i] = 0xEE ;
1923             }
1924             break ;
1925         case wxDOT_DASH :
1926             for ( int i = 0 ; i < 8 ; ++i )
1927             {
1928                 pat.pat[i] = 0x6F ;
1929             }
1930             break ;
1931         case wxUSER_DASH :
1932             {
1933                 wxDash* dash ;
1934                 m_pen.GetDashes(&dash) ;
1935                 // right now we don't allocate larger pixmaps
1936                 // int number =
1937                 m_pen.GetDashes(&dash) ;
1938                 for ( int i = 0 ; i < 8 ; ++i )
1939                 {
1940                     pat.pat[i] = dash[0] ;
1941                 }
1942             }
1943             break ;
1944         }
1945         ::PenPat(&pat);
1946     }
1947     short mode = patCopy ;
1948     // todo :
1949     switch( m_logicalFunction )
1950     {
1951     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1952         mode = patOr ;
1953         break ;
1954     case wxINVERT:     // NOT dst
1955         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1956         mode = patXor ;
1957         break ;
1958     case wxXOR:        // src XOR dst
1959         mode = patXor ;
1960         break ;
1961     case wxOR_REVERSE: // src OR (NOT dst)
1962         mode = notPatOr ;
1963         break ;
1964     case wxSRC_INVERT: // (NOT src)
1965         mode = notPatCopy ;
1966         break ;
1967     case wxAND: // src AND dst
1968         mode = adMin ;
1969         break ;
1970         // unsupported TODO
1971     case wxCLEAR:      // 0
1972     case wxAND_REVERSE:// src AND (NOT dst)
1973     case wxAND_INVERT: // (NOT src) AND dst
1974     case wxNO_OP:      // dst
1975     case wxNOR:        // (NOT src) AND (NOT dst)
1976     case wxEQUIV:      // (NOT src) XOR dst
1977     case wxOR_INVERT:  // (NOT src) OR dst
1978     case wxNAND:       // (NOT src) OR (NOT dst)
1979     case wxOR:         // src OR dst
1980     case wxSET:        // 1
1981         //        case wxSRC_OR:     // source _bitmap_ OR destination
1982         //        case wxSRC_AND:     // source _bitmap_ AND destination
1983         break ;
1984     }
1985     ::PenMode( mode ) ;
1986     m_macPenInstalled = true ;
1987     m_macBrushInstalled = false ;
1988     m_macFontInstalled = false ;
1989 }
1990
1991 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1992 {
1993     Pattern whiteColor ;
1994     switch( background.MacGetBrushKind() )
1995     {
1996     case kwxMacBrushTheme :
1997         {
1998             ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1999             break ;
2000         }
2001     case kwxMacBrushThemeBackground :
2002         {
2003             Rect extent ;
2004             ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
2005             ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2006             break ;
2007         }
2008     case kwxMacBrushColour :
2009         {
2010                ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2011             int brushStyle = background.GetStyle();
2012             if (brushStyle == wxSOLID)
2013                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2014             else if (IS_HATCH(brushStyle))
2015             {
2016                 Pattern pat ;
2017                 wxMacGetHatchPattern(brushStyle, &pat);
2018                 ::BackPat(&pat);
2019             }
2020             else
2021             {
2022                 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2023             }
2024             break ;
2025         }
2026     }
2027 }
2028
2029 void wxDC::MacInstallBrush() const
2030 {
2031     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2032     Pattern     blackColor ;
2033     //    if ( m_macBrushInstalled )
2034     //        return ;
2035     // foreground
2036     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2037     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2038     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2039     int brushStyle = m_brush.GetStyle();
2040     if (brushStyle == wxSOLID)
2041     {
2042         ::PenPat(GetQDGlobalsBlack(&blackColor));
2043     }
2044     else if (IS_HATCH(brushStyle))
2045     {
2046         Pattern pat ;
2047         wxMacGetHatchPattern(brushStyle, &pat);
2048         ::PenPat(&pat);
2049     }
2050     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2051     {
2052         // we force this in order to be compliant with wxMSW
2053         backgroundTransparent = false ;
2054         // for these the text fore (and back for MASK_OPAQUE) colors are used
2055         wxBitmap* bitmap = m_brush.GetStipple() ;
2056         int width = bitmap->GetWidth() ;
2057         int height = bitmap->GetHeight() ;
2058         GWorldPtr gw = NULL ;
2059         if ( m_brush.GetStyle() == wxSTIPPLE )
2060             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2061         else
2062             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2063         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2064         LockPixels( gwpixmaphandle ) ;
2065         bool isMonochrome = !IsPortColor( gw ) ;
2066         if ( !isMonochrome )
2067         {
2068             if ( (**gwpixmaphandle).pixelSize == 1 )
2069                 isMonochrome = true ;
2070         }
2071         if ( isMonochrome && width == 8 && height == 8 )
2072         {
2073             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2074             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2075             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2076             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2077             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2078             Pattern pat ;
2079             for ( int i = 0 ; i < 8 ; ++i )
2080             {
2081                 pat.pat[i] = gwbits[i*alignment+0] ;
2082             }
2083             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2084             ::PenPat( &pat ) ;
2085         }
2086         else
2087         {
2088             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2089             // caching scheme before putting this into production
2090             Handle      image;
2091             long        imageSize;
2092             PixPatHandle pixpat = NewPixPat() ;
2093             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2094             imageSize = GetPixRowBytes((**pixpat).patMap) *
2095                 ((**(**pixpat).patMap).bounds.bottom -
2096                 (**(**pixpat).patMap).bounds.top);
2097             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2098             (**pixpat).patData = image;
2099             if ( isMonochrome )
2100             {
2101                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2102                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2103                 if ( ctspec[0].rgb.red == 0x0000 )
2104                 {
2105                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2106                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2107                 }
2108                 else
2109                 {
2110                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2111                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2112                 }
2113                 ::CTabChanged( ctable ) ;
2114             }
2115             ::PenPixPat(pixpat);
2116             m_macForegroundPixMap = pixpat ;
2117         }
2118         UnlockPixels( gwpixmaphandle ) ;
2119     }
2120     else
2121     {
2122         ::PenPat(GetQDGlobalsBlack(&blackColor));
2123     }
2124     short mode = patCopy ;
2125     switch( m_logicalFunction )
2126     {
2127     case wxCOPY:       // src
2128         if ( backgroundTransparent )
2129             mode = patOr ;
2130         else
2131             mode = patCopy ;
2132         break ;
2133     case wxINVERT:     // NOT dst
2134         if ( !backgroundTransparent )
2135         {
2136             ::PenPat(GetQDGlobalsBlack(&blackColor));
2137         }
2138         mode = patXor ;
2139         break ;
2140     case wxXOR:        // src XOR dst
2141         mode = patXor ;
2142         break ;
2143     case wxOR_REVERSE: // src OR (NOT dst)
2144         mode = notPatOr ;
2145         break ;
2146     case wxSRC_INVERT: // (NOT src)
2147         mode = notPatCopy ;
2148         break ;
2149     case wxAND: // src AND dst
2150         mode = adMin ;
2151         break ;
2152         // unsupported TODO
2153     case wxCLEAR:      // 0
2154     case wxAND_REVERSE:// src AND (NOT dst)
2155     case wxAND_INVERT: // (NOT src) AND dst
2156     case wxNO_OP:      // dst
2157     case wxNOR:        // (NOT src) AND (NOT dst)
2158     case wxEQUIV:      // (NOT src) XOR dst
2159     case wxOR_INVERT:  // (NOT src) OR dst
2160     case wxNAND:       // (NOT src) OR (NOT dst)
2161     case wxOR:         // src OR dst
2162     case wxSET:        // 1
2163         //        case wxSRC_OR:     // source _bitmap_ OR destination
2164         //        case wxSRC_AND:     // source _bitmap_ AND destination
2165         break ;
2166     }
2167     ::PenMode( mode ) ;
2168     m_macBrushInstalled = true ;
2169     m_macPenInstalled = false ;
2170     m_macFontInstalled = false ;
2171 }
2172
2173 // ---------------------------------------------------------------------------
2174 // coordinates transformations
2175 // ---------------------------------------------------------------------------
2176
2177 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2178 {
2179     return ((wxDC *)this)->XDEV2LOG(x);
2180 }
2181
2182 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2183 {
2184     return ((wxDC *)this)->YDEV2LOG(y);
2185 }
2186
2187 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2188 {
2189     return ((wxDC *)this)->XDEV2LOGREL(x);
2190 }
2191
2192 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2193 {
2194     return ((wxDC *)this)->YDEV2LOGREL(y);
2195 }
2196
2197 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2198 {
2199     return ((wxDC *)this)->XLOG2DEV(x);
2200 }
2201
2202 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2203 {
2204     return ((wxDC *)this)->YLOG2DEV(y);
2205 }
2206
2207 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2208 {
2209     return ((wxDC *)this)->XLOG2DEVREL(x);
2210 }
2211
2212 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2213 {
2214     return ((wxDC *)this)->YLOG2DEVREL(y);
2215 }