src/mac/carbon/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/dc.h"
  17 #include "wx/app.h"
  18 #include "wx/mac/uma.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/dcprint.h"
  21 #include "wx/region.h"
  22 #include "wx/image.h"
  23 #include "wx/log.h"
  24
  25 #if __MSL__ >= 0x6000
  26 #include "math.h"
  27 using namespace std ;
  28 #endif
  29
  30 #include "wx/mac/private.h"
  31 #include <ATSUnicode.h>
  32 #include <TextCommon.h>
  33 #include <TextEncodingConverter.h>
  34 #include <FixMath.h>
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  37 #endif
  38
  39 //-----------------------------------------------------------------------------
  40 // constants
  41 //-----------------------------------------------------------------------------
  42
  43 #define mm2inches        0.0393700787402
  44 #define inches2mm        25.4
  45 #define mm2twips        56.6929133859
  46 #define twips2mm        0.0176388888889
  47 #define mm2pt            2.83464566929
  48 #define pt2mm            0.352777777778
  49 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  50 #ifndef M_PI
  51 const double M_PI = 3.14159265358979 ;
  52 #endif
  53 #endif
  54 const double RAD2DEG  = 180.0 / M_PI;
  55 const short kEmulatedMode = -1 ;
  56 const short kUnsupportedMode = -2 ;
  57
  58 extern TECObjectRef s_TECNativeCToUnicode ;
  59
  60 // set to 0 if problems arise
  61 #define wxMAC_EXPERIMENTAL_DC 1
  62
  63 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  64     m_ph( (GrafPtr) dc->m_macPort )
  65 {
  66     wxASSERT( dc->Ok() ) ;
  67     m_dc = dc ;
  68     dc->MacSetupPort(&m_ph) ;
  69 }
  70 wxMacPortSetter::~wxMacPortSetter()
  71 {
  72     m_dc->MacCleanupPort(&m_ph) ;
  73 }
  74
  75 #if wxMAC_EXPERIMENTAL_DC
  76 class wxMacFastPortSetter
  77 {
  78 public :
  79     wxMacFastPortSetter( const wxDC *dc )
  80     {
  81             wxASSERT( dc->Ok() ) ;
  82             GetPort( &m_oldPort ) ;
  83             SetPort( (GrafPtr) dc->m_macPort ) ;
  84             m_clipRgn = NewRgn() ;
  85             GetClip( m_clipRgn ) ;
  86             m_dc = dc ;
  87             dc->MacSetupPort( NULL ) ;
  88     }
  89     ~wxMacFastPortSetter()
  90     {
  91         SetPort( (GrafPtr) m_dc->m_macPort ) ;
  92         SetClip( m_clipRgn ) ;
  93             SetPort( m_oldPort ) ;
  94             m_dc->MacCleanupPort( NULL ) ;
  95             DisposeRgn( m_clipRgn ) ;
  96     }
  97 private :
  98     RgnHandle m_clipRgn ;
  99     GrafPtr m_oldPort ;
 100     const wxDC*   m_dc ;
 101 } ;
 102
 103 #else
 104 typedef wxMacPortSetter wxMacFastPortSetter ;
 105 #endif
 106
 107 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 108     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 109 {
 110     m_formerClip = NewRgn() ;
 111     m_newClip = NewRgn() ;
 112     GetClip( m_formerClip ) ;
 113
 114     if ( win )
 115     {
 116         int x = 0 , y = 0;
 117         win->MacWindowToRootWindow( &x,&y ) ;
 118         // get area including focus rect
 119         CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 120         if ( !EmptyRgn( m_newClip ) )
 121             OffsetRgn( m_newClip , x , y ) ;
 122
 123         SetClip( m_newClip ) ;
 124     }
 125 }
 126
 127 wxMacWindowClipper::~wxMacWindowClipper()
 128 {
 129     SetClip( m_formerClip ) ;
 130     DisposeRgn( m_newClip ) ;
 131     DisposeRgn( m_formerClip ) ;
 132 }
 133
 134 //-----------------------------------------------------------------------------
 135 // Local functions
 136 //-----------------------------------------------------------------------------
 137 static inline double dmin(double a, double b) { return a < b ? a : b; }
 138 static inline double dmax(double a, double b) { return a > b ? a : b; }
 139 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 140
 141 //-----------------------------------------------------------------------------
 142 // wxDC
 143 //-----------------------------------------------------------------------------
 144 // this function emulates all wx colour manipulations, used to verify the implementation
 145 // by setting the mode in the blitting functions to kEmulatedMode
 146 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 147
 148 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 149 {
 150     switch ( logical_func )
 151     {
 152         case wxAND:        // src AND dst
 153             dstColor.red = dstColor.red & srcColor.red ;
 154             dstColor.green = dstColor.green & srcColor.green ;
 155             dstColor.blue = dstColor.blue & srcColor.blue ;
 156             break ;
 157         case wxAND_INVERT: // (NOT src) AND dst
 158             dstColor.red = dstColor.red & ~srcColor.red ;
 159             dstColor.green = dstColor.green & ~srcColor.green ;
 160             dstColor.blue = dstColor.blue & ~srcColor.blue ;
 161             break ;
 162         case wxAND_REVERSE:// src AND (NOT 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         case wxCLEAR:      // 0
 168             dstColor.red = 0 ;
 169             dstColor.green = 0 ;
 170             dstColor.blue = 0 ;
 171             break ;
 172         case wxCOPY:       // src
 173             dstColor.red = srcColor.red ;
 174             dstColor.green = srcColor.green ;
 175             dstColor.blue = srcColor.blue ;
 176             break ;
 177         case wxEQUIV:      // (NOT src) XOR dst
 178             dstColor.red = dstColor.red ^ ~srcColor.red ;
 179             dstColor.green = dstColor.green ^ ~srcColor.green ;
 180             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 181             break ;
 182         case wxINVERT:     // NOT dst
 183             dstColor.red = ~dstColor.red ;
 184             dstColor.green = ~dstColor.green ;
 185             dstColor.blue = ~dstColor.blue ;
 186             break ;
 187         case wxNAND:       // (NOT src) OR (NOT dst)
 188             dstColor.red = ~dstColor.red | ~srcColor.red ;
 189             dstColor.green = ~dstColor.green | ~srcColor.green ;
 190             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 191             break ;
 192         case wxNOR:        // (NOT src) AND (NOT dst)
 193             dstColor.red = ~dstColor.red & ~srcColor.red ;
 194             dstColor.green = ~dstColor.green & ~srcColor.green ;
 195             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 196             break ;
 197         case wxNO_OP:      // dst
 198             break ;
 199         case wxOR:         // src OR dst
 200             dstColor.red = dstColor.red | srcColor.red ;
 201             dstColor.green = dstColor.green | srcColor.green ;
 202             dstColor.blue = dstColor.blue | srcColor.blue ;
 203             break ;
 204         case wxOR_INVERT:  // (NOT src) OR dst
 205             dstColor.red = dstColor.red | ~srcColor.red ;
 206             dstColor.green = dstColor.green | ~srcColor.green ;
 207             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 208             break ;
 209         case wxOR_REVERSE: // src OR (NOT dst)
 210             dstColor.red = ~dstColor.red | srcColor.red ;
 211             dstColor.green = ~dstColor.green | srcColor.green ;
 212             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 213             break ;
 214         case wxSET:        // 1
 215             dstColor.red = 0xFFFF ;
 216             dstColor.green = 0xFFFF ;
 217             dstColor.blue = 0xFFFF ;
 218             break ;
 219         case wxSRC_INVERT: // (NOT src)
 220             dstColor.red = ~srcColor.red ;
 221             dstColor.green = ~srcColor.green ;
 222             dstColor.blue = ~srcColor.blue ;
 223             break ;
 224         case wxXOR:        // src XOR dst
 225             dstColor.red = dstColor.red ^ srcColor.red ;
 226             dstColor.green = dstColor.green ^ srcColor.green ;
 227             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 228             break ;
 229     }
 230 }
 231
 232 wxDC::wxDC()
 233 {
 234     m_ok = FALSE;
 235     m_colour = TRUE;
 236     m_mm_to_pix_x = mm2pt;
 237     m_mm_to_pix_y = mm2pt;
 238     m_internalDeviceOriginX = 0;
 239     m_internalDeviceOriginY = 0;
 240     m_externalDeviceOriginX = 0;
 241     m_externalDeviceOriginY = 0;
 242     m_logicalScaleX = 1.0;
 243     m_logicalScaleY = 1.0;
 244     m_userScaleX = 1.0;
 245     m_userScaleY = 1.0;
 246     m_scaleX = 1.0;
 247     m_scaleY = 1.0;
 248     m_needComputeScaleX = FALSE;
 249     m_needComputeScaleY = FALSE;
 250     m_macPort = NULL ;
 251     m_macMask = NULL ;
 252     m_ok = FALSE ;
 253     m_macFontInstalled = false ;
 254     m_macBrushInstalled = false ;
 255     m_macPenInstalled = false ;
 256     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 257     m_macBoundaryClipRgn = NewRgn() ;
 258     m_macCurrentClipRgn = NewRgn() ;
 259     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 260     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 261     m_pen = *wxBLACK_PEN;
 262     m_font = *wxNORMAL_FONT;
 263     m_brush = *wxWHITE_BRUSH;
 264 #ifdef __WXDEBUG__
 265     // needed to debug possible errors with two active drawing methods at the same time on
 266     // the same DC
 267     m_macCurrentPortStateHelper = NULL ;
 268 #endif
 269     m_macATSUIStyle = NULL ;
 270     m_macAliasWasEnabled = false;
 271     m_macForegroundPixMap = NULL ;
 272     m_macBackgroundPixMap = NULL ;
 273 }
 274
 275 wxDC::~wxDC(void)
 276 {
 277     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 278     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 279 }
 280
 281 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 282 {
 283 #ifdef __WXDEBUG__
 284     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 285     m_macCurrentPortStateHelper = help ;
 286 #endif
 287     SetClip( (RgnHandle) m_macCurrentClipRgn);
 288 #if ! wxMAC_EXPERIMENTAL_DC
 289     m_macFontInstalled = false ;
 290     m_macBrushInstalled = false ;
 291     m_macPenInstalled = false ;
 292 #endif
 293 }
 294 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 295 {
 296 #ifdef __WXDEBUG__
 297     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 298     m_macCurrentPortStateHelper = NULL ;
 299 #endif
 300     if( m_macATSUIStyle )
 301     {
 302         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 303         m_macATSUIStyle = NULL ;
 304     }
 305     if ( m_macAliasWasEnabled )
 306     {
 307         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 308         m_macAliasWasEnabled = false ;
 309     }
 310     if ( m_macForegroundPixMap )
 311     {
 312         Pattern blackColor ;
 313         ::PenPat(GetQDGlobalsBlack(&blackColor));
 314         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 315         m_macForegroundPixMap = NULL ;
 316     }
 317     if ( m_macBackgroundPixMap )
 318     {
 319         Pattern whiteColor ;
 320         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 321         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 322         m_macBackgroundPixMap = NULL ;
 323     }
 324 }
 325
 326 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 327 {
 328      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 329      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 330      wxMacFastPortSetter helper(this) ;
 331      wxCoord xx = XLOG2DEVMAC(x);
 332      wxCoord yy = YLOG2DEVMAC(y);
 333      wxCoord w = bmp.GetWidth();
 334      wxCoord h = bmp.GetHeight();
 335      wxCoord ww = XLOG2DEVREL(w);
 336      wxCoord hh = YLOG2DEVREL(h);
 337      // Set up drawing mode
 338      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 339                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 340                     //m_logicalFunction == wxSET ? BLACKNESS :
 341                     m_logicalFunction == wxINVERT ? hilite :
 342                    //m_logicalFunction == wxAND ? MERGECOPY :
 343                     m_logicalFunction == wxOR ? srcOr :
 344                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 345                     m_logicalFunction == wxXOR ? srcXor :
 346                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 347                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 348                     //m_logicalFunction == wxSRC_OR ? srcOr :
 349                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 350                     srcCopy );
 351      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 352          Rect bitmaprect = { 0 , 0 , hh, ww };
 353          ::OffsetRect( &bitmaprect, xx, yy ) ;
 354          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 355     }
 356      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 357      {
 358          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 359          PixMapHandle bmappixels ;
 360          // Set foreground and background colours (for bitmaps depth = 1)
 361          if(bmp.GetDepth() == 1)
 362         {
 363              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 364              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 365              RGBForeColor(&fore);
 366              RGBBackColor(&back);
 367          }
 368          else
 369          {
 370              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 371              RGBColor black = { 0,0,0} ;
 372              RGBForeColor( &black ) ;
 373              RGBBackColor( &white ) ;
 374          }
 375          bmappixels = GetGWorldPixMap( bmapworld ) ;
 376          wxCHECK_RET(LockPixels(bmappixels),
 377                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 378          Rect source = { 0, 0, h, w };
 379          Rect dest   = { yy, xx, yy + hh, xx + ww };
 380          if ( useMask && bmp.GetMask() )
 381          {
 382              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 383              {
 384                  CopyDeepMask
 385                      (
 386                       GetPortBitMapForCopyBits(bmapworld),
 387                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 388                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 389                       &source, &source, &dest, mode, NULL
 390                       );
 391                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 392              }
 393          }
 394          else {
 395              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 396                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 397                        &source, &dest, mode, NULL ) ;
 398          }
 399          UnlockPixels( bmappixels ) ;
 400      }
 401      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 402      {
 403         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 404         OffsetRect( &bitmaprect, xx, yy ) ;
 405         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 406      }
 407      m_macPenInstalled = false ;
 408      m_macBrushInstalled = false ;
 409      m_macFontInstalled = false ;
 410 }
 411
 412 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 413 {
 414     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 415     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 416     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 417 }
 418
 419 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 420 {
 421     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 422     wxCoord xx, yy, ww, hh;
 423     xx = XLOG2DEVMAC(x);
 424     yy = YLOG2DEVMAC(y);
 425     ww = XLOG2DEVREL(width);
 426     hh = YLOG2DEVREL(height);
 427     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 428     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 429     if( m_clipping )
 430     {
 431         m_clipX1 = wxMax( m_clipX1 , xx );
 432         m_clipY1 = wxMax( m_clipY1 , yy );
 433         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 434         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 435     }
 436     else
 437     {
 438         m_clipping = TRUE;
 439         m_clipX1 = xx;
 440         m_clipY1 = yy;
 441         m_clipX2 = xx + ww;
 442         m_clipY2 = yy + hh;
 443     }
 444 }
 445
 446 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 447 {
 448     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 449     if (region.Empty())
 450     {
 451         DestroyClippingRegion();
 452         return;
 453     }
 454     wxMacFastPortSetter helper(this) ;
 455     wxCoord x, y, w, h;
 456     region.GetBox( x, y, w, h );
 457     wxCoord xx, yy, ww, hh;
 458     xx = XLOG2DEVMAC(x);
 459     yy = YLOG2DEVMAC(y);
 460     ww = XLOG2DEVREL(w);
 461     hh = YLOG2DEVREL(h);
 462     // if we have a scaling that we cannot map onto native regions
 463     // we must use the box
 464     if ( ww != w || hh != h )
 465     {
 466         wxDC::DoSetClippingRegion( x, y, w, h );
 467     }
 468     else
 469     {
 470         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 471         if ( xx != x || yy != y )
 472         {
 473             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 474         }
 475         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 476         if( m_clipping )
 477         {
 478             m_clipX1 = wxMax( m_clipX1 , xx );
 479             m_clipY1 = wxMax( m_clipY1 , yy );
 480             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 481             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 482         }
 483         else
 484         {
 485             m_clipping = TRUE;
 486             m_clipX1 = xx;
 487             m_clipY1 = yy;
 488             m_clipX2 = xx + ww;
 489             m_clipY2 = yy + hh;
 490         }
 491     }
 492 }
 493
 494 void wxDC::DestroyClippingRegion()
 495 {
 496     wxMacFastPortSetter helper(this) ;
 497     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 498     m_clipping = FALSE;
 499 }
 500
 501 void wxDC::DoGetSizeMM( int* width, int* height ) const
 502 {
 503     int w = 0;
 504     int h = 0;
 505     GetSize( &w, &h );
 506     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 507     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 508 }
 509
 510 void wxDC::SetTextForeground( const wxColour &col )
 511 {
 512     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 513     m_textForegroundColour = col;
 514     m_macFontInstalled = false ;
 515 }
 516
 517 void wxDC::SetTextBackground( const wxColour &col )
 518 {
 519     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 520     m_textBackgroundColour = col;
 521     m_macFontInstalled = false ;
 522 }
 523
 524 void wxDC::SetMapMode( int mode )
 525 {
 526     switch (mode)
 527     {
 528     case wxMM_TWIPS:
 529         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 530         break;
 531     case wxMM_POINTS:
 532         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 533         break;
 534     case wxMM_METRIC:
 535         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 536         break;
 537     case wxMM_LOMETRIC:
 538         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 539         break;
 540     default:
 541     case wxMM_TEXT:
 542         SetLogicalScale( 1.0, 1.0 );
 543         break;
 544     }
 545     if (mode != wxMM_TEXT)
 546     {
 547         m_needComputeScaleX = TRUE;
 548         m_needComputeScaleY = TRUE;
 549     }
 550 }
 551
 552 void wxDC::SetUserScale( double x, double y )
 553 {
 554     // allow negative ? -> no
 555     m_userScaleX = x;
 556     m_userScaleY = y;
 557     ComputeScaleAndOrigin();
 558 }
 559
 560 void wxDC::SetLogicalScale( double x, double y )
 561 {
 562     // allow negative ?
 563     m_logicalScaleX = x;
 564     m_logicalScaleY = y;
 565     ComputeScaleAndOrigin();
 566 }
 567
 568 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 569 {
 570     m_logicalOriginX = x * m_signX;   // is this still correct ?
 571     m_logicalOriginY = y * m_signY;
 572     ComputeScaleAndOrigin();
 573 }
 574
 575 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 576 {
 577     m_externalDeviceOriginX = x;
 578     m_externalDeviceOriginY = y;
 579     ComputeScaleAndOrigin();
 580 }
 581
 582 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 583 {
 584     m_signX = (xLeftRight ?  1 : -1);
 585     m_signY = (yBottomUp  ? -1 :  1);
 586     ComputeScaleAndOrigin();
 587 }
 588
 589 wxSize wxDC::GetPPI() const
 590 {
 591     return wxSize(72, 72);
 592 }
 593
 594 int wxDC::GetDepth() const
 595 {
 596     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 597     {
 598         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 599     }
 600     return 1 ;
 601 }
 602
 603 void wxDC::ComputeScaleAndOrigin()
 604 {
 605     // CMB: copy scale to see if it changes
 606     double origScaleX = m_scaleX;
 607     double origScaleY = m_scaleY;
 608     m_scaleX = m_logicalScaleX * m_userScaleX;
 609     m_scaleY = m_logicalScaleY * m_userScaleY;
 610     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 611     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 612     // CMB: if scale has changed call SetPen to recalulate the line width
 613     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 614     {
 615         // this is a bit artificial, but we need to force wxDC to think
 616         // the pen has changed
 617         wxPen* pen = & GetPen();
 618         wxPen tempPen;
 619         m_pen = tempPen;
 620         SetPen(* pen);
 621     }
 622 }
 623
 624 void  wxDC::SetPalette( const wxPalette& palette )
 625 {
 626 }
 627
 628 void  wxDC::SetBackgroundMode( int mode )
 629 {
 630     m_backgroundMode = mode ;
 631 }
 632
 633 void  wxDC::SetFont( const wxFont &font )
 634 {
 635     m_font = font;
 636     m_macFontInstalled = false ;
 637 }
 638
 639 void  wxDC::SetPen( const wxPen &pen )
 640 {
 641     if ( m_pen == pen )
 642         return ;
 643     m_pen = pen;
 644     m_macPenInstalled = false ;
 645 }
 646
 647 void  wxDC::SetBrush( const wxBrush &brush )
 648 {
 649     if (m_brush == brush)
 650         return;
 651     m_brush = brush;
 652     m_macBrushInstalled = false ;
 653 }
 654
 655 void  wxDC::SetBackground( const wxBrush &brush )
 656 {
 657     if (m_backgroundBrush == brush)
 658         return;
 659     m_backgroundBrush = brush;
 660     if (!m_backgroundBrush.Ok())
 661         return;
 662     m_macBrushInstalled = false ;
 663 }
 664
 665 void  wxDC::SetLogicalFunction( int function )
 666 {
 667     if (m_logicalFunction == function)
 668         return;
 669     m_logicalFunction = function ;
 670     m_macFontInstalled = false ;
 671     m_macBrushInstalled = false ;
 672     m_macPenInstalled = false ;
 673 }
 674
 675 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 676                           const wxColour & col, int style);
 677
 678 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 679                        const wxColour& col, int style)
 680 {
 681     return wxDoFloodFill(this, x, y, col, style);
 682 }
 683
 684 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 685 {
 686     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 687     wxMacFastPortSetter helper(this) ;
 688     RGBColor colour;
 689     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 690     // Convert from Mac colour to wx
 691     col->Set( colour.red   >> 8,
 692         colour.green >> 8,
 693         colour.blue  >> 8);
 694     return true ;
 695 }
 696
 697 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 698 {
 699     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 700     wxMacFastPortSetter helper(this) ;
 701     if (m_pen.GetStyle() != wxTRANSPARENT)
 702     {
 703         MacInstallPen() ;
 704         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 705         m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 706         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 707         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 708         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 709         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 710         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 711             (m_pen.GetWidth() <= 1))
 712         {
 713             // Implement LAST_NOT for MAC at least for
 714             // orthogonal lines. RR.
 715             if (xx1 == xx2)
 716             {
 717                 if (yy1 < yy2)
 718                     yy2--;
 719                 if (yy1 > yy2)
 720                     yy2++;
 721             }
 722             if (yy1 == yy2)
 723             {
 724                 if (xx1 < xx2)
 725                     xx2--;
 726                 if (xx1 > xx2)
 727                     xx2++;
 728             }
 729         }
 730         ::MoveTo(xx1, yy1);
 731         ::LineTo(xx2, yy2);
 732     }
 733 }
 734
 735 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 736 {
 737     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 738     wxMacFastPortSetter helper(this) ;
 739     if (m_pen.GetStyle() != wxTRANSPARENT)
 740     {
 741         int w = 0;
 742         int h = 0;
 743         GetSize( &w, &h );
 744         wxCoord xx = XLOG2DEVMAC(x);
 745         wxCoord yy = YLOG2DEVMAC(y);
 746         MacInstallPen();
 747         ::MoveTo( XLOG2DEVMAC(0), yy );
 748         ::LineTo( XLOG2DEVMAC(w), yy );
 749         ::MoveTo( xx, YLOG2DEVMAC(0) );
 750         ::LineTo( xx, YLOG2DEVMAC(h) );
 751         CalcBoundingBox(x, y);
 752         CalcBoundingBox(x+w, y+h);
 753     }
 754 }
 755
 756 /*
 757 * To draw arcs properly the angles need to be converted from the WX style:
 758 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 759 * a normal axis on paper).
 760 * TO
 761 * the Mac style:
 762 * Angles start on the +ve y axis and go clockwise.
 763 */
 764
 765 static double wxConvertWXangleToMACangle(double angle)
 766 {
 767     double newAngle = 90 - angle ;
 768     if ( newAngle < 0 )
 769         newAngle += 360 ;
 770     return newAngle ;
 771 }
 772
 773 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 774                       wxCoord x2, wxCoord y2,
 775                       wxCoord xc, wxCoord yc )
 776 {
 777     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 778     wxMacFastPortSetter helper(this) ;
 779     wxCoord xx1 = XLOG2DEVMAC(x1);
 780     wxCoord yy1 = YLOG2DEVMAC(y1);
 781     wxCoord xx2 = XLOG2DEVMAC(x2);
 782     wxCoord yy2 = YLOG2DEVMAC(y2);
 783     wxCoord xxc = XLOG2DEVMAC(xc);
 784     wxCoord yyc = YLOG2DEVMAC(yc);
 785     double dx = xx1 - xxc;
 786     double dy = yy1 - yyc;
 787     double radius = sqrt((double)(dx*dx+dy*dy));
 788     wxCoord rad   = (wxCoord)radius;
 789     double radius1, radius2;
 790     if (xx1 == xx2 && yy1 == yy2)
 791     {
 792         radius1 = 0.0;
 793         radius2 = 360.0;
 794     }
 795     else if (radius == 0.0)
 796     {
 797         radius1 = radius2 = 0.0;
 798     }
 799     else
 800     {
 801         radius1 = (xx1 - xxc == 0) ?
 802             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 803         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 804         radius2 = (xx2 - xxc == 0) ?
 805             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 806         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 807     }
 808     wxCoord alpha2 = wxCoord(radius2 - radius1);
 809     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 810     if( (xx1 > xx2) || (yy1 > yy2) ) {
 811         alpha2 *= -1;
 812     }
 813     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 814     if(m_brush.GetStyle() != wxTRANSPARENT) {
 815         MacInstallBrush();
 816         PaintArc(&r, alpha1, alpha2);
 817     }
 818     if(m_pen.GetStyle() != wxTRANSPARENT) {
 819         MacInstallPen();
 820         FrameArc(&r, alpha1, alpha2);
 821     }
 822 }
 823
 824 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 825                               double sa, double ea )
 826 {
 827     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 828     wxMacFastPortSetter helper(this) ;
 829     Rect r;
 830     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 831     // we have to make sure that the filling is always counter-clockwise
 832     if ( angle > 0 )
 833         angle -= 360 ;
 834     wxCoord xx = XLOG2DEVMAC(x);
 835     wxCoord yy = YLOG2DEVMAC(y);
 836     wxCoord ww = m_signX * XLOG2DEVREL(w);
 837     wxCoord hh = m_signY * YLOG2DEVREL(h);
 838     // handle -ve width and/or height
 839     if (ww < 0) { ww = -ww; xx = xx - ww; }
 840     if (hh < 0) { hh = -hh; yy = yy - hh; }
 841     sa = wxConvertWXangleToMACangle(sa);
 842     r.top    = yy;
 843     r.left   = xx;
 844     r.bottom = yy + hh;
 845     r.right  = xx + ww;
 846     if(m_brush.GetStyle() != wxTRANSPARENT) {
 847         MacInstallBrush();
 848         PaintArc(&r, (short)sa, (short)angle);
 849     }
 850     if(m_pen.GetStyle() != wxTRANSPARENT) {
 851         MacInstallPen();
 852         FrameArc(&r, (short)sa, (short)angle);
 853     }
 854 }
 855
 856 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 857 {
 858     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 859     wxMacFastPortSetter helper(this) ;
 860     if (m_pen.GetStyle() != wxTRANSPARENT)
 861     {
 862         wxCoord xx1 = XLOG2DEVMAC(x);
 863         wxCoord yy1 = YLOG2DEVMAC(y);
 864         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 865         ::SetCPixel( xx1,yy1,&pencolor) ;
 866         CalcBoundingBox(x, y);
 867     }
 868 }
 869
 870 void  wxDC::DoDrawLines(int n, wxPoint points[],
 871                         wxCoord xoffset, wxCoord yoffset)
 872 {
 873     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 874     wxMacFastPortSetter helper(this) ;
 875     if (m_pen.GetStyle() == wxTRANSPARENT)
 876         return;
 877     MacInstallPen() ;
 878     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 879     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 880     wxCoord x1, x2 , y1 , y2 ;
 881     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 882     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 883     ::MoveTo(x1 - offset, y1 - offset );
 884     for (int i = 0; i < n-1; i++)
 885     {
 886         x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 887         y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 888         ::LineTo( x2 - offset, y2 - offset );
 889     }
 890 }
 891
 892 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 893                           wxCoord xoffset, wxCoord yoffset,
 894                           int fillStyle )
 895 {
 896     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 897     wxMacFastPortSetter helper(this) ;
 898     wxCoord x1, x2 , y1 , y2 ;
 899     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 900         return ;
 901     PolyHandle polygon = OpenPoly();
 902     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
 903     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
 904     ::MoveTo(x1,y1);
 905     for (int i = 1; i < n; i++)
 906     {
 907         x2 = XLOG2DEVMAC(points[i].x + xoffset);
 908         y2 = YLOG2DEVMAC(points[i].y + yoffset);
 909         ::LineTo(x2, y2);
 910     }
 911     // close the polyline if necessary
 912     if ( x1 != x2 || y1 != y2 )
 913     {
 914         ::LineTo(x1,y1 ) ;
 915     }
 916     ClosePoly();
 917     if (m_brush.GetStyle() != wxTRANSPARENT)
 918     {
 919         MacInstallBrush();
 920         ::PaintPoly( polygon );
 921     }
 922     if (m_pen.GetStyle() != wxTRANSPARENT)
 923     {
 924         MacInstallPen() ;
 925         ::FramePoly( polygon ) ;
 926     }
 927     KillPoly( polygon );
 928 }
 929
 930 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 931 {
 932     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 933     wxMacFastPortSetter helper(this) ;
 934     wxCoord xx = XLOG2DEVMAC(x);
 935     wxCoord yy = YLOG2DEVMAC(y);
 936     wxCoord ww = m_signX * XLOG2DEVREL(width);
 937     wxCoord hh = m_signY * YLOG2DEVREL(height);
 938     // CMB: draw nothing if transformed w or h is 0
 939     if (ww == 0 || hh == 0)
 940         return;
 941     // CMB: handle -ve width and/or height
 942     if (ww < 0)
 943     {
 944         ww = -ww;
 945         xx = xx - ww;
 946     }
 947     if (hh < 0)
 948     {
 949         hh = -hh;
 950         yy = yy - hh;
 951     }
 952     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 953     if (m_brush.GetStyle() != wxTRANSPARENT)
 954     {
 955         MacInstallBrush() ;
 956         ::PaintRect( &rect ) ;
 957     }
 958     if (m_pen.GetStyle() != wxTRANSPARENT)
 959     {
 960         MacInstallPen() ;
 961         ::FrameRect( &rect ) ;
 962     }
 963 }
 964
 965 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 966                                    wxCoord width, wxCoord height,
 967                                    double radius)
 968 {
 969     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 970     wxMacFastPortSetter helper(this) ;
 971     if (radius < 0.0)
 972         radius = - radius * ((width < height) ? width : height);
 973     wxCoord xx = XLOG2DEVMAC(x);
 974     wxCoord yy = YLOG2DEVMAC(y);
 975     wxCoord ww = m_signX * XLOG2DEVREL(width);
 976     wxCoord hh = m_signY * YLOG2DEVREL(height);
 977     // CMB: draw nothing if transformed w or h is 0
 978     if (ww == 0 || hh == 0)
 979         return;
 980     // CMB: handle -ve width and/or height
 981     if (ww < 0)
 982     {
 983         ww = -ww;
 984         xx = xx - ww;
 985     }
 986     if (hh < 0)
 987     {
 988         hh = -hh;
 989         yy = yy - hh;
 990     }
 991     Rect rect = { yy , xx , yy + hh , xx + ww } ;
 992     if (m_brush.GetStyle() != wxTRANSPARENT)
 993     {
 994         MacInstallBrush() ;
 995         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
 996     }
 997     if (m_pen.GetStyle() != wxTRANSPARENT)
 998     {
 999         MacInstallPen() ;
1000         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1001     }
1002 }
1003
1004 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1005 {
1006     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1007     wxMacFastPortSetter helper(this) ;
1008     wxCoord xx = XLOG2DEVMAC(x);
1009     wxCoord yy = YLOG2DEVMAC(y);
1010     wxCoord ww = m_signX * XLOG2DEVREL(width);
1011     wxCoord hh = m_signY * YLOG2DEVREL(height);
1012     // CMB: draw nothing if transformed w or h is 0
1013     if (ww == 0 || hh == 0)
1014         return;
1015     // CMB: handle -ve width and/or height
1016     if (ww < 0)
1017     {
1018         ww = -ww;
1019         xx = xx - ww;
1020     }
1021     if (hh < 0)
1022     {
1023         hh = -hh;
1024         yy = yy - hh;
1025     }
1026     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1027     if (m_brush.GetStyle() != wxTRANSPARENT)
1028     {
1029         MacInstallBrush() ;
1030         ::PaintOval( &rect ) ;
1031     }
1032     if (m_pen.GetStyle() != wxTRANSPARENT)
1033     {
1034         MacInstallPen() ;
1035         ::FrameOval( &rect ) ;
1036     }
1037 }
1038
1039 bool  wxDC::CanDrawBitmap(void) const
1040 {
1041     return true ;
1042 }
1043
1044 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1045                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1046                    wxCoord xsrcMask,  wxCoord ysrcMask )
1047 {
1048     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1049     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1050     if ( logical_func == wxNO_OP )
1051         return TRUE ;
1052     if (xsrcMask == -1 && ysrcMask == -1)
1053     {
1054         xsrcMask = xsrc; ysrcMask = ysrc;
1055     }
1056     // correct the parameter in case this dc does not have a mask at all
1057     if ( useMask && !source->m_macMask )
1058         useMask = false ;
1059     Rect srcrect , dstrect ;
1060     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1061     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1062     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1063     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1064     dstrect.top = YLOG2DEVMAC(ydest) ;
1065     dstrect.left = XLOG2DEVMAC(xdest) ;
1066     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1067     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1068     short mode = kUnsupportedMode ;
1069     bool invertDestinationFirst = false ;
1070     switch ( logical_func )
1071     {
1072     case wxAND:        // src AND dst
1073         mode = adMin ; // ok
1074         break ;
1075     case wxAND_INVERT: // (NOT src) AND dst
1076         mode = notSrcOr  ; // ok
1077         break ;
1078     case wxAND_REVERSE:// src AND (NOT dst)
1079         invertDestinationFirst = true ;
1080         mode = srcOr ;
1081         break ;
1082     case wxCLEAR:      // 0
1083         mode = kEmulatedMode ;
1084         break ;
1085     case wxCOPY:       // src
1086         mode = srcCopy ; // ok
1087         break ;
1088     case wxEQUIV:      // (NOT src) XOR dst
1089         mode = srcXor ; // ok
1090         break ;
1091     case wxINVERT:     // NOT dst
1092         mode = kEmulatedMode ; //or hilite ;
1093         break ;
1094     case wxNAND:       // (NOT src) OR (NOT dst)
1095         invertDestinationFirst = true ;
1096         mode = srcBic ;
1097         break ;
1098     case wxNOR:        // (NOT src) AND (NOT dst)
1099         invertDestinationFirst = true ;
1100         mode = notSrcOr ;
1101         break ;
1102     case wxNO_OP:      // dst
1103         mode = kEmulatedMode ; // this has already been handled upon entry
1104         break ;
1105     case wxOR:         // src OR dst
1106         mode = notSrcBic ;
1107         break ;
1108     case wxOR_INVERT:  // (NOT src) OR dst
1109         mode = srcBic ;
1110         break ;
1111     case wxOR_REVERSE: // src OR (NOT dst)
1112         invertDestinationFirst = true ;
1113         mode = notSrcBic ;
1114         break ;
1115     case wxSET:        // 1
1116         mode = kEmulatedMode ;
1117         break ;
1118     case wxSRC_INVERT: // (NOT src)
1119         mode = notSrcCopy ; // ok
1120         break ;
1121     case wxXOR:        // src XOR dst
1122         mode = notSrcXor ; // ok
1123         break ;
1124     default :
1125         break ;
1126     }
1127     if ( mode == kUnsupportedMode )
1128     {
1129         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1130         return FALSE ;
1131     }
1132     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1133     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1134     if ( LockPixels(bmappixels) )
1135     {
1136         wxMacFastPortSetter helper(this) ;
1137         if ( source->GetDepth() == 1 )
1138         {
1139             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1140             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1141         }
1142         else
1143         {
1144             // the modes need this, otherwise we'll end up having really nice colors...
1145             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1146             RGBColor    black = { 0,0,0} ;
1147             RGBForeColor( &black ) ;
1148             RGBBackColor( &white ) ;
1149         }
1150         if ( useMask && source->m_macMask )
1151         {
1152             if ( mode == srcCopy )
1153             {
1154                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1155                 {
1156                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1157                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1158                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1159                         &srcrect, &srcrect , &dstrect ) ;
1160                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1161                 }
1162             }
1163             else
1164             {
1165                 RgnHandle clipRgn = NewRgn() ;
1166                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1167                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1168                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1169                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1170                 if ( mode == kEmulatedMode )
1171                 {
1172                     Pattern pat ;
1173                     ::PenPat(GetQDGlobalsBlack(&pat));
1174                     if ( logical_func == wxSET )
1175                     {
1176                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1177                         ::RGBForeColor( &col  ) ;
1178                         ::PaintRgn( clipRgn ) ;
1179                     }
1180                     else if ( logical_func == wxCLEAR )
1181                     {
1182                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1183                         ::RGBForeColor( &col  ) ;
1184                         ::PaintRgn( clipRgn ) ;
1185                     }
1186                     else if ( logical_func == wxINVERT )
1187                     {
1188                         MacInvertRgn( clipRgn ) ;
1189                     }
1190                     else
1191                     {
1192                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1193                         {
1194                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1195                             {
1196                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1197                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1198                                 if ( PtInRgn( dstPoint , clipRgn ) )
1199                                 {
1200                                     RGBColor srcColor ;
1201                                     RGBColor dstColor ;
1202                                     SetPort( (GrafPtr) sourcePort ) ;
1203                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1204                                     SetPort( (GrafPtr) m_macPort ) ;
1205                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1206                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1207                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1208                                 }
1209                             }
1210                         }
1211                     }
1212                 }
1213                 else
1214                 {
1215                     if ( invertDestinationFirst )
1216                     {
1217                         MacInvertRgn( clipRgn ) ;
1218                     }
1219                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1220                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1221                         &srcrect, &dstrect, mode, clipRgn ) ;
1222                 }
1223                 DisposeRgn( clipRgn ) ;
1224             }
1225         }
1226         else
1227         {
1228             RgnHandle clipRgn = NewRgn() ;
1229             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1230             if ( mode == kEmulatedMode )
1231             {
1232                 Pattern pat ;
1233                 ::PenPat(GetQDGlobalsBlack(&pat));
1234                 if ( logical_func == wxSET )
1235                 {
1236                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1237                     ::RGBForeColor( &col  ) ;
1238                     ::PaintRgn( clipRgn ) ;
1239                 }
1240                 else if ( logical_func == wxCLEAR )
1241                 {
1242                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1243                     ::RGBForeColor( &col  ) ;
1244                     ::PaintRgn( clipRgn ) ;
1245                 }
1246                 else if ( logical_func == wxINVERT )
1247                 {
1248                     MacInvertRgn( clipRgn ) ;
1249                 }
1250                 else
1251                 {
1252                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1253                     {
1254                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1255                         {
1256                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1257                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1258                             {
1259                                 RGBColor srcColor ;
1260                                 RGBColor dstColor ;
1261                                 SetPort( (GrafPtr) sourcePort ) ;
1262                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1263                                 SetPort( (GrafPtr) m_macPort ) ;
1264                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1265                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1266                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1267                             }
1268                         }
1269                     }
1270                 }
1271             }
1272             else
1273             {
1274                 if ( invertDestinationFirst )
1275                 {
1276                     MacInvertRgn( clipRgn ) ;
1277                 }
1278                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1279                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1280                     &srcrect, &dstrect, mode, NULL ) ;
1281             }
1282             DisposeRgn( clipRgn ) ;
1283         }
1284         UnlockPixels( bmappixels ) ;
1285     }
1286     m_macPenInstalled = false ;
1287     m_macBrushInstalled = false ;
1288     m_macFontInstalled = false ;
1289     return TRUE;
1290 }
1291
1292 #ifndef FixedToInt
1293 // as macro in FixMath.h for 10.3
1294 inline Fixed    IntToFixed( int inInt )
1295 {
1296     return (((SInt32) inInt) << 16);
1297 }
1298
1299 inline int    FixedToInt( Fixed inFixed )
1300 {
1301     return (((SInt32) inFixed) >> 16);
1302 }
1303 #endif
1304
1305 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1306                               double angle)
1307 {
1308     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1309 /*
1310     if (angle == 0.0 )
1311     {
1312         DrawText(str, x, y);
1313         return;
1314     }
1315
1316     if ( str.Length() == 0 )
1317         return ;
1318 */
1319     wxMacFastPortSetter helper(this) ;
1320     MacInstallFont() ;
1321
1322     if ( 0 )
1323     {
1324         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1325         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1326         m_macAliasWasEnabled = true ;
1327     }
1328     OSStatus status = noErr ;
1329     ATSUTextLayout atsuLayout ;
1330     UniCharCount chars = str.Length() ;
1331 #if wxUSE_UNICODE
1332     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1333         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1334 #else
1335     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1336     int wlen = wxWcslen( wchar.data() ) ;
1337     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) wchar.data() , 0 , wlen , wlen , 1 ,
1338         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1339 #endif
1340     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1341     int iAngle = int( angle );
1342     int drawX = XLOG2DEVMAC(x) ;
1343     int drawY = YLOG2DEVMAC(y) ;
1344
1345     ATSUTextMeasurement textBefore ;
1346     ATSUTextMeasurement textAfter ;
1347     ATSUTextMeasurement ascent ;
1348     ATSUTextMeasurement descent ;
1349
1350
1351     if ( abs(iAngle) > 0 )
1352     {
1353         Fixed atsuAngle = IntToFixed( iAngle ) ;
1354         ATSUAttributeTag atsuTags[] =
1355         {
1356             kATSULineRotationTag ,
1357         } ;
1358         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1359         {
1360             sizeof( Fixed ) ,
1361         } ;
1362         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1363         {
1364             &atsuAngle ,
1365         } ;
1366         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1367             atsuTags, atsuSizes, atsuValues ) ;
1368     }
1369     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1370         &textBefore , &textAfter, &ascent , &descent );
1371
1372     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1373     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1374     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1375         IntToFixed(drawX) , IntToFixed(drawY) );
1376     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1377     Rect rect ;
1378     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1379         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1380     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1381     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1382     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1383     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1384     ::ATSUDisposeTextLayout(atsuLayout);
1385 }
1386
1387 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1388 {
1389     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1390
1391     wxMacFastPortSetter helper(this) ;
1392     long xx = XLOG2DEVMAC(x);
1393     long yy = YLOG2DEVMAC(y);
1394 #if TARGET_CARBON
1395     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1396     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1397         useDrawThemeText = false ;
1398 #endif
1399     MacInstallFont() ;
1400     if ( 0 )
1401     {
1402         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1403         SetAntiAliasedTextEnabled(true, 8);
1404         m_macAliasWasEnabled = true ;
1405     }
1406     FontInfo fi ;
1407     ::GetFontInfo( &fi ) ;
1408 #if TARGET_CARBON
1409     if ( !useDrawThemeText )
1410 #endif
1411         yy += fi.ascent ;
1412     ::MoveTo( xx , yy );
1413     if (  m_backgroundMode == wxTRANSPARENT )
1414     {
1415         ::TextMode( srcOr) ;
1416     }
1417     else
1418     {
1419         ::TextMode( srcCopy ) ;
1420     }
1421     int line = 0 ;
1422     {
1423         wxString linetext = strtext ;
1424 #if TARGET_CARBON
1425         if ( useDrawThemeText )
1426         {
1427             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1428             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1429
1430             if ( m_backgroundMode != wxTRANSPARENT )
1431             {
1432                 Point bounds={0,0} ;
1433                 Rect background = frame ;
1434                 SInt16 baseline ;
1435                 ::GetThemeTextDimensions( mString,
1436                     m_font.MacGetThemeFontID() ,
1437                     kThemeStateActive,
1438                     false,
1439                     &bounds,
1440                     &baseline );
1441                 background.right = background.left + bounds.h ;
1442                 background.bottom = background.top + bounds.v ;
1443                 ::EraseRect( &background ) ;
1444             }
1445             ::DrawThemeTextBox( mString,
1446                 m_font.MacGetThemeFontID() ,
1447                 kThemeStateActive,
1448                 false,
1449                 &frame,
1450                 teJustLeft,
1451                 nil );
1452         }
1453         else
1454 #endif
1455         {
1456             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1457             if ( m_backgroundMode != wxTRANSPARENT )
1458             {
1459                 Rect frame = { yy - fi.ascent + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy - fi.ascent + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1460                 short width = ::TextWidth( text , 0 , strlen(text) ) ;
1461                 frame.right = frame.left + width ;
1462
1463                 ::EraseRect( &frame ) ;
1464             }
1465             ::DrawText( text , 0 , strlen(text) ) ;
1466          }
1467     }
1468     ::TextMode( srcOr ) ;
1469 }
1470
1471 bool  wxDC::CanGetTextExtent() const
1472 {
1473     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1474     return true ;
1475 }
1476
1477 void  wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1478                             wxCoord *descent, wxCoord *externalLeading ,
1479                             wxFont *theFont ) const
1480 {
1481     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1482     wxMacFastPortSetter helper(this) ;
1483     wxFont formerFont = m_font ;
1484     if ( theFont )
1485     {
1486         // work around the constness
1487         *((wxFont*)(&m_font)) = *theFont ;
1488     }
1489     MacInstallFont() ;
1490     FontInfo fi ;
1491     ::GetFontInfo( &fi ) ;
1492 #if TARGET_CARBON
1493     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1494     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1495         useGetThemeText = false ;
1496 #endif
1497     if ( height )
1498         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1499     if ( descent )
1500         *descent =YDEV2LOGREL( fi.descent );
1501     if ( externalLeading )
1502         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1503
1504     int curwidth = 0 ;
1505     if ( width )
1506     {
1507         *width = 0 ;
1508         wxString linetext = strtext ;
1509
1510         if ( useGetThemeText )
1511         {
1512             Point bounds={0,0} ;
1513             SInt16 baseline ;
1514             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1515             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1516             ::GetThemeTextDimensions( mString,
1517                 themeFont ,
1518                 kThemeStateActive,
1519                 false,
1520                 &bounds,
1521                 &baseline );
1522             curwidth = bounds.h ;
1523         }
1524         else
1525         {
1526             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1527             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1528         }
1529         if ( curwidth > *width )
1530             *width = XDEV2LOGREL( curwidth ) ;
1531     }
1532     if ( theFont )
1533     {
1534         // work around the constness
1535         *((wxFont*)(&m_font)) = formerFont ;
1536         m_macFontInstalled = false ;
1537     }
1538 }
1539
1540
1541 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1542 {
1543     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1544
1545     widths.Empty();
1546     widths.Add(0, text.Length());
1547
1548     if (text.Length() == 0)
1549         return false;
1550
1551     wxMacFastPortSetter helper(this) ;
1552     MacInstallFont() ;
1553 #if TARGET_CARBON
1554     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1555     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1556         useGetThemeText = false ;
1557
1558     if ( useGetThemeText )
1559     {
1560         // If anybody knows how to do this more efficiently yet still handle
1561         // the fractional glyph widths that may be present when using AA
1562         // fonts, please change it.  Currently it is measuring from the
1563         // begining of the string for each succeding substring, which is much
1564         // slower than this should be.
1565         for (size_t i=0; i<text.Length(); i++)
1566         {
1567             wxString str(text.Left(i+1));
1568             Point bounds = {0,0};
1569             SInt16 baseline ;
1570             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1571             ::GetThemeTextDimensions( mString,
1572                                       m_font.MacGetThemeFontID(),
1573                                       kThemeStateActive,
1574                                       false,
1575                                       &bounds,
1576                                       &baseline );
1577             widths[i] = XDEV2LOGREL(bounds.h);
1578         }
1579     }
1580     else
1581 #endif
1582     {
1583         wxCharBuffer buff = text.mb_str(wxConvLocal);
1584         size_t len = strlen(buff);
1585         short* measurements = new short[len+1];
1586         MeasureText(len, buff.data(), measurements);
1587
1588         // Copy to widths, starting at measurements[1]
1589         // NOTE: this doesn't take into account any multi-byte characters
1590         // in buff, it probabkly should...
1591         for (size_t i=0; i<text.Length(); i++)
1592             widths[i] = XDEV2LOGREL(measurements[i+1]);
1593
1594         delete [] measurements;
1595     }
1596
1597     return true;
1598 }
1599
1600
1601
1602 wxCoord   wxDC::GetCharWidth(void) const
1603 {
1604     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1605     wxMacFastPortSetter helper(this) ;
1606     MacInstallFont() ;
1607     int width = 0 ;
1608 #if TARGET_CARBON
1609     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1610     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1611         useGetThemeText = false ;
1612 #endif
1613     char text[] = "g" ;
1614 #if TARGET_CARBON
1615     if ( useGetThemeText )
1616     {
1617         Point bounds={0,0} ;
1618         SInt16 baseline ;
1619         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1620         ::GetThemeTextDimensions( mString,
1621             m_font.MacGetThemeFontID(),
1622             kThemeStateActive,
1623             false,
1624             &bounds,
1625             &baseline );
1626         CFRelease( mString ) ;
1627         width = bounds.h ;
1628     }
1629     else
1630 #endif
1631     {
1632         width = ::TextWidth( text , 0 , 1 ) ;
1633     }
1634     return YDEV2LOGREL(width) ;
1635 }
1636
1637 wxCoord   wxDC::GetCharHeight(void) const
1638 {
1639     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1640     wxMacFastPortSetter helper(this) ;
1641     MacInstallFont() ;
1642     FontInfo fi ;
1643     ::GetFontInfo( &fi ) ;
1644     return YDEV2LOGREL( fi.descent + fi.ascent );
1645 }
1646
1647 void  wxDC::Clear(void)
1648 {
1649     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1650     wxMacFastPortSetter helper(this) ;
1651     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1652     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1653     {
1654         ::PenNormal() ;
1655         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1656         ::EraseRect( &rect ) ;
1657     }
1658 }
1659
1660 void wxDC::MacInstallFont() const
1661 {
1662     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1663     //    if ( m_macFontInstalled )
1664     //        return ;
1665     Pattern blackColor ;
1666     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1667     if ( m_font.Ok() )
1668     {
1669         ::TextFont( m_font.MacGetFontNum() ) ;
1670         ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1671         ::TextFace( m_font.MacGetFontStyle() ) ;
1672         m_macFontInstalled = true ;
1673         m_macBrushInstalled = false ;
1674         m_macPenInstalled = false ;
1675         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1676         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1677         ::RGBForeColor( &forecolor );
1678         ::RGBBackColor( &backcolor );
1679     }
1680     else
1681     {
1682         FontFamilyID fontId ;
1683         Str255 fontName ;
1684         SInt16 fontSize ;
1685         Style fontStyle ;
1686         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1687         GetFNum( fontName, &fontId );
1688         ::TextFont( fontId ) ;
1689         ::TextSize( short(m_scaleY * fontSize) ) ;
1690         ::TextFace( fontStyle ) ;
1691         // todo reset after spacing changes - or store the current spacing somewhere
1692         m_macFontInstalled = true ;
1693         m_macBrushInstalled = false ;
1694         m_macPenInstalled = false ;
1695         RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1696         RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1697         ::RGBForeColor( &forecolor );
1698         ::RGBBackColor( &backcolor );
1699     }
1700     short mode = patCopy ;
1701     // todo :
1702     switch( m_logicalFunction )
1703     {
1704     case wxCOPY:       // src
1705         mode = patCopy ;
1706         break ;
1707     case wxINVERT:     // NOT dst
1708         ::PenPat(GetQDGlobalsBlack(&blackColor));
1709         mode = patXor ;
1710         break ;
1711     case wxXOR:        // src XOR dst
1712         mode = patXor ;
1713         break ;
1714     case wxOR_REVERSE: // src OR (NOT dst)
1715         mode = notPatOr ;
1716         break ;
1717     case wxSRC_INVERT: // (NOT src)
1718         mode = notPatCopy ;
1719         break ;
1720     case wxAND: // src AND dst
1721         mode = adMin ;
1722         break ;
1723         // unsupported TODO
1724     case wxCLEAR:      // 0
1725     case wxAND_REVERSE:// src AND (NOT dst)
1726     case wxAND_INVERT: // (NOT src) AND dst
1727     case wxNO_OP:      // dst
1728     case wxNOR:        // (NOT src) AND (NOT dst)
1729     case wxEQUIV:      // (NOT src) XOR dst
1730     case wxOR_INVERT:  // (NOT src) OR dst
1731     case wxNAND:       // (NOT src) OR (NOT dst)
1732     case wxOR:         // src OR dst
1733     case wxSET:        // 1
1734         //        case wxSRC_OR:     // source _bitmap_ OR destination
1735         //        case wxSRC_AND:     // source _bitmap_ AND destination
1736         break ;
1737     }
1738     ::PenMode( mode ) ;
1739     OSStatus status = noErr ;
1740     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1741     Style qdStyle = m_font.MacGetATSUAdditionalQDStyles() ;
1742     ATSUFontID    atsuFont = m_font.MacGetATSUFontID() ;
1743     status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1744     wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1745     ATSUAttributeTag atsuTags[] =
1746     {
1747         kATSUFontTag ,
1748             kATSUSizeTag ,
1749             //        kATSUColorTag ,
1750             //        kATSUBaselineClassTag ,
1751             kATSUVerticalCharacterTag,
1752             kATSUQDBoldfaceTag ,
1753             kATSUQDItalicTag ,
1754             kATSUQDUnderlineTag ,
1755             kATSUQDCondensedTag ,
1756             kATSUQDExtendedTag ,
1757     } ;
1758     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1759     {
1760         sizeof( ATSUFontID ) ,
1761             sizeof( Fixed ) ,
1762             //        sizeof( RGBColor ) ,
1763             //        sizeof( BslnBaselineClass ) ,
1764             sizeof( ATSUVerticalCharacterType),
1765             sizeof( Boolean ) ,
1766             sizeof( Boolean ) ,
1767             sizeof( Boolean ) ,
1768             sizeof( Boolean ) ,
1769             sizeof( Boolean ) ,
1770     } ;
1771     Boolean kTrue = true ;
1772     Boolean kFalse = false ;
1773     //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1774     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1775     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1776     {
1777         &atsuFont ,
1778             &atsuSize ,
1779             //        &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1780             //        &kBaselineDefault ,
1781             &kHorizontal,
1782             (qdStyle & bold) ? &kTrue : &kFalse ,
1783             (qdStyle & italic) ? &kTrue : &kFalse ,
1784             (qdStyle & underline) ? &kTrue : &kFalse ,
1785             (qdStyle & condense) ? &kTrue : &kFalse ,
1786             (qdStyle & extend) ? &kTrue : &kFalse ,
1787     } ;
1788     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1789         atsuTags, atsuSizes, atsuValues);
1790     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1791 }
1792
1793 Pattern gPatterns[] =
1794 {   // hatch patterns
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     // dash patterns
1803     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1804     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1805     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1806     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1807 } ;
1808
1809 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1810 {
1811     int index = 0;  // solid pattern by default
1812     switch(penStyle)
1813     {
1814         // hatches
1815         case wxBDIAGONAL_HATCH:     index = 1; break;
1816         case wxFDIAGONAL_HATCH:     index = 2; break;
1817         case wxCROSS_HATCH:         index = 3; break;
1818         case wxHORIZONTAL_HATCH:    index = 4; break;
1819         case wxVERTICAL_HATCH:      index = 5; break;
1820         case wxCROSSDIAG_HATCH:     index = 6; break;
1821         // dashes
1822         case wxDOT:                 index = 7; break;
1823         case wxLONG_DASH:           index = 8; break;
1824         case wxSHORT_DASH:          index = 9; break;
1825         case wxDOT_DASH:            index = 10; break;
1826     }
1827     *pattern = gPatterns[index];
1828 }
1829
1830 void wxDC::MacInstallPen() const
1831 {
1832     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1833     //Pattern     blackColor;
1834     //    if ( m_macPenInstalled )
1835     //        return ;
1836     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1837     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1838     ::RGBForeColor( &forecolor );
1839     ::RGBBackColor( &backcolor );
1840     ::PenNormal() ;
1841     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1842     // null means only one pixel, at whatever resolution
1843     if ( penWidth == 0 )
1844         penWidth = 1 ;
1845     ::PenSize(penWidth, penWidth);
1846
1847     int penStyle = m_pen.GetStyle();
1848     Pattern pat;
1849     if (penStyle == wxUSER_DASH)
1850     {
1851         // FIXME: there should be exactly 8 items in the dash
1852         wxDash* dash ;
1853         int number = m_pen.GetDashes(&dash) ;
1854         int index = 0;
1855         for ( int i = 0 ; i < 8 ; ++i )
1856         {
1857             pat.pat[i] = dash[index] ;
1858             if (index < number - 1)
1859                 index++;
1860         }
1861     }
1862     else
1863     {
1864         wxMacGetPattern(penStyle, &pat);
1865     }
1866     ::PenPat(&pat);
1867
1868     short mode = patCopy ;
1869     // todo :
1870     switch( m_logicalFunction )
1871     {
1872     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
1873         mode = patOr ;
1874         break ;
1875     case wxINVERT:     // NOT dst
1876         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
1877         mode = patXor ;
1878         break ;
1879     case wxXOR:        // src XOR dst
1880         mode = patXor ;
1881         break ;
1882     case wxOR_REVERSE: // src OR (NOT dst)
1883         mode = notPatOr ;
1884         break ;
1885     case wxSRC_INVERT: // (NOT src)
1886         mode = notPatCopy ;
1887         break ;
1888     case wxAND: // src AND dst
1889         mode = adMin ;
1890         break ;
1891         // unsupported TODO
1892     case wxCLEAR:      // 0
1893     case wxAND_REVERSE:// src AND (NOT dst)
1894     case wxAND_INVERT: // (NOT src) AND dst
1895     case wxNO_OP:      // dst
1896     case wxNOR:        // (NOT src) AND (NOT dst)
1897     case wxEQUIV:      // (NOT src) XOR dst
1898     case wxOR_INVERT:  // (NOT src) OR dst
1899     case wxNAND:       // (NOT src) OR (NOT dst)
1900     case wxOR:         // src OR dst
1901     case wxSET:        // 1
1902         //        case wxSRC_OR:     // source _bitmap_ OR destination
1903         //        case wxSRC_AND:     // source _bitmap_ AND destination
1904         break ;
1905     }
1906     ::PenMode( mode ) ;
1907     m_macPenInstalled = true ;
1908     m_macBrushInstalled = false ;
1909     m_macFontInstalled = false ;
1910 }
1911
1912 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1913 {
1914     Pattern whiteColor ;
1915     if ( background.Ok() )
1916     {
1917         switch( background.MacGetBrushKind() )
1918         {
1919             case kwxMacBrushTheme :
1920             {
1921                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
1922                 break ;
1923             }
1924             case kwxMacBrushThemeBackground :
1925             {
1926                 Rect extent ;
1927                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
1928                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
1929                 break ;
1930             }
1931             case kwxMacBrushColour :
1932             {
1933                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
1934                 int brushStyle = background.GetStyle();
1935                 if (brushStyle == wxSOLID)
1936                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1937                 else if (IS_HATCH(brushStyle))
1938                 {
1939                     Pattern pat ;
1940                     wxMacGetPattern(brushStyle, &pat);
1941                     ::BackPat(&pat);
1942                 }
1943                 else
1944                 {
1945                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
1946                 }
1947                 break ;
1948             }
1949         }
1950     }
1951 }
1952
1953 void wxDC::MacInstallBrush() const
1954 {
1955     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1956     Pattern     blackColor ;
1957     //    if ( m_macBrushInstalled )
1958     //        return ;
1959     // foreground
1960     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
1961     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
1962     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
1963     int brushStyle = m_brush.GetStyle();
1964     if (brushStyle == wxSOLID)
1965     {
1966         ::PenPat(GetQDGlobalsBlack(&blackColor));
1967     }
1968     else if (IS_HATCH(brushStyle))
1969     {
1970         Pattern pat ;
1971         wxMacGetPattern(brushStyle, &pat);
1972         ::PenPat(&pat);
1973     }
1974     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
1975     {
1976         // we force this in order to be compliant with wxMSW
1977         backgroundTransparent = false ;
1978         // for these the text fore (and back for MASK_OPAQUE) colors are used
1979         wxBitmap* bitmap = m_brush.GetStipple() ;
1980         int width = bitmap->GetWidth() ;
1981         int height = bitmap->GetHeight() ;
1982         GWorldPtr gw = NULL ;
1983         if ( m_brush.GetStyle() == wxSTIPPLE )
1984             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
1985         else
1986             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
1987         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
1988         LockPixels( gwpixmaphandle ) ;
1989         bool isMonochrome = !IsPortColor( gw ) ;
1990         if ( !isMonochrome )
1991         {
1992             if ( (**gwpixmaphandle).pixelSize == 1 )
1993                 isMonochrome = true ;
1994         }
1995         if ( isMonochrome && width == 8 && height == 8 )
1996         {
1997             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
1998             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
1999             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2000             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2001             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2002             Pattern pat ;
2003             for ( int i = 0 ; i < 8 ; ++i )
2004             {
2005                 pat.pat[i] = gwbits[i*alignment+0] ;
2006             }
2007             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2008             ::PenPat( &pat ) ;
2009         }
2010         else
2011         {
2012             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2013             // caching scheme before putting this into production
2014             Handle      image;
2015             long        imageSize;
2016             PixPatHandle pixpat = NewPixPat() ;
2017             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2018             imageSize = GetPixRowBytes((**pixpat).patMap) *
2019                 ((**(**pixpat).patMap).bounds.bottom -
2020                 (**(**pixpat).patMap).bounds.top);
2021             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2022             (**pixpat).patData = image;
2023             if ( isMonochrome )
2024             {
2025                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2026                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2027                 if ( ctspec[0].rgb.red == 0x0000 )
2028                 {
2029                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2030                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2031                 }
2032                 else
2033                 {
2034                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2035                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2036                 }
2037                 ::CTabChanged( ctable ) ;
2038             }
2039             ::PenPixPat(pixpat);
2040             m_macForegroundPixMap = pixpat ;
2041         }
2042         UnlockPixels( gwpixmaphandle ) ;
2043     }
2044     else
2045     {
2046         ::PenPat(GetQDGlobalsBlack(&blackColor));
2047     }
2048     short mode = patCopy ;
2049     switch( m_logicalFunction )
2050     {
2051     case wxCOPY:       // src
2052         if ( backgroundTransparent )
2053             mode = patOr ;
2054         else
2055             mode = patCopy ;
2056         break ;
2057     case wxINVERT:     // NOT dst
2058         if ( !backgroundTransparent )
2059         {
2060             ::PenPat(GetQDGlobalsBlack(&blackColor));
2061         }
2062         mode = patXor ;
2063         break ;
2064     case wxXOR:        // src XOR dst
2065         mode = patXor ;
2066         break ;
2067     case wxOR_REVERSE: // src OR (NOT dst)
2068         mode = notPatOr ;
2069         break ;
2070     case wxSRC_INVERT: // (NOT src)
2071         mode = notPatCopy ;
2072         break ;
2073     case wxAND: // src AND dst
2074         mode = adMin ;
2075         break ;
2076         // unsupported TODO
2077     case wxCLEAR:      // 0
2078     case wxAND_REVERSE:// src AND (NOT dst)
2079     case wxAND_INVERT: // (NOT src) AND dst
2080     case wxNO_OP:      // dst
2081     case wxNOR:        // (NOT src) AND (NOT dst)
2082     case wxEQUIV:      // (NOT src) XOR dst
2083     case wxOR_INVERT:  // (NOT src) OR dst
2084     case wxNAND:       // (NOT src) OR (NOT dst)
2085     case wxOR:         // src OR dst
2086     case wxSET:        // 1
2087         //        case wxSRC_OR:     // source _bitmap_ OR destination
2088         //        case wxSRC_AND:     // source _bitmap_ AND destination
2089         break ;
2090     }
2091     ::PenMode( mode ) ;
2092     m_macBrushInstalled = true ;
2093     m_macPenInstalled = false ;
2094     m_macFontInstalled = false ;
2095 }
2096
2097 // ---------------------------------------------------------------------------
2098 // coordinates transformations
2099 // ---------------------------------------------------------------------------
2100
2101 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2102 {
2103     return ((wxDC *)this)->XDEV2LOG(x);
2104 }
2105
2106 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2107 {
2108     return ((wxDC *)this)->YDEV2LOG(y);
2109 }
2110
2111 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2112 {
2113     return ((wxDC *)this)->XDEV2LOGREL(x);
2114 }
2115
2116 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2117 {
2118     return ((wxDC *)this)->YDEV2LOGREL(y);
2119 }
2120
2121 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2122 {
2123     return ((wxDC *)this)->XLOG2DEV(x);
2124 }
2125
2126 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2127 {
2128     return ((wxDC *)this)->YLOG2DEV(y);
2129 }
2130
2131 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2132 {
2133     return ((wxDC *)this)->XLOG2DEVREL(x);
2134 }
2135
2136 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2137 {
2138     return ((wxDC *)this)->YLOG2DEVREL(y);
2139 }