src/mac/carbon/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/dc.h"
  17 #include "wx/app.h"
  18 #include "wx/mac/uma.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/region.h"
  21 #include "wx/image.h"
  22 #include "wx/log.h"
  23
  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
  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 #ifndef __DARWIN__
  50 const double M_PI = 3.14159265358979 ;
  51 #endif
  52 const double RAD2DEG  = 180.0 / M_PI;
  53 const short kEmulatedMode = -1 ;
  54 const short kUnsupportedMode = -2 ;
  55
  56 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  57         m_ph( (GrafPtr) dc->m_macPort )
  58 {
  59         wxASSERT( dc->Ok() ) ;
  60         m_dc = dc ;
  61         dc->MacSetupPort(&m_ph) ;
  62 }
  63
  64 wxMacPortSetter::~wxMacPortSetter()
  65 {
  66         m_dc->MacCleanupPort(&m_ph) ;
  67 }
  68
  69 //-----------------------------------------------------------------------------
  70 // Local functions
  71 //-----------------------------------------------------------------------------
  72
  73 static inline double dmin(double a, double b) { return a < b ? a : b; }
  74 static inline double dmax(double a, double b) { return a > b ? a : b; }
  75 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
  76
  77 //-----------------------------------------------------------------------------
  78 // wxDC
  79 //-----------------------------------------------------------------------------
  80
  81 // this function emulates all wx colour manipulations, used to verify the implementation
  82 // by setting the mode in the blitting functions to kEmulatedMode
  83
  84 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
  85 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
  86 {
  87     switch ( logical_func )
  88     {
  89         case wxAND:        // src AND dst
  90             dstColor.red = dstColor.red & srcColor.red ;
  91             dstColor.green = dstColor.green & srcColor.green ;
  92             dstColor.blue = dstColor.blue & srcColor.blue ;
  93             break ;
  94         case wxAND_INVERT: // (NOT src) AND dst
  95             dstColor.red = dstColor.red & ~srcColor.red ;
  96             dstColor.green = dstColor.green & ~srcColor.green ;
  97             dstColor.blue = dstColor.blue & ~srcColor.blue ;
  98             break ;
  99         case wxAND_REVERSE:// src AND (NOT dst)
 100             dstColor.red = ~dstColor.red & srcColor.red ;
 101             dstColor.green = ~dstColor.green & srcColor.green ;
 102             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 103             break ;
 104         case wxCLEAR:      // 0
 105             dstColor.red = 0 ;
 106             dstColor.green = 0 ;
 107             dstColor.blue = 0 ;
 108             break ;
 109         case wxCOPY:       // src
 110             dstColor.red = srcColor.red ;
 111             dstColor.green = srcColor.green ;
 112             dstColor.blue = srcColor.blue ;
 113                 break ;
 114         case wxEQUIV:      // (NOT src) XOR dst
 115             dstColor.red = dstColor.red ^ ~srcColor.red ;
 116             dstColor.green = dstColor.green ^ ~srcColor.green ;
 117             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 118             break ;
 119         case wxINVERT:     // NOT dst
 120             dstColor.red = ~dstColor.red ;
 121             dstColor.green = ~dstColor.green ;
 122             dstColor.blue = ~dstColor.blue ;
 123                 break ;
 124         case wxNAND:       // (NOT src) OR (NOT dst)
 125             dstColor.red = ~dstColor.red | ~srcColor.red ;
 126             dstColor.green = ~dstColor.green | ~srcColor.green ;
 127             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 128             break ;
 129         case wxNOR:        // (NOT src) AND (NOT 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 wxNO_OP:      // dst
 135             break ;
 136         case wxOR:         // src OR dst
 137             dstColor.red = dstColor.red | srcColor.red ;
 138             dstColor.green = dstColor.green | srcColor.green ;
 139             dstColor.blue = dstColor.blue | srcColor.blue ;
 140             break ;
 141         case wxOR_INVERT:  // (NOT src) OR dst
 142             dstColor.red = dstColor.red | ~srcColor.red ;
 143             dstColor.green = dstColor.green | ~srcColor.green ;
 144             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 145             break ;
 146         case wxOR_REVERSE: // src OR (NOT dst)
 147             dstColor.red = ~dstColor.red | srcColor.red ;
 148             dstColor.green = ~dstColor.green | srcColor.green ;
 149             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 150                 break ;
 151         case wxSET:        // 1
 152             dstColor.red = 0xFFFF ;
 153             dstColor.green = 0xFFFF ;
 154             dstColor.blue = 0xFFFF ;
 155             break ;
 156         case wxSRC_INVERT: // (NOT src)
 157             dstColor.red = ~srcColor.red ;
 158             dstColor.green = ~srcColor.green ;
 159             dstColor.blue = ~srcColor.blue ;
 160                 break ;
 161         case wxXOR:        // src XOR dst
 162             dstColor.red = dstColor.red ^ srcColor.red ;
 163             dstColor.green = dstColor.green ^ srcColor.green ;
 164             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 165                 break ;
 166     }
 167
 168 }
 169
 170 wxDC::wxDC()
 171 {
 172   m_ok = FALSE;
 173   m_colour = TRUE;
 174
 175   m_mm_to_pix_x = mm2pt;
 176   m_mm_to_pix_y = mm2pt;
 177
 178   m_internalDeviceOriginX = 0;
 179   m_internalDeviceOriginY = 0;
 180   m_externalDeviceOriginX = 0;
 181   m_externalDeviceOriginY = 0;
 182
 183   m_logicalScaleX = 1.0;
 184   m_logicalScaleY = 1.0;
 185   m_userScaleX = 1.0;
 186   m_userScaleY = 1.0;
 187   m_scaleX = 1.0;
 188   m_scaleY = 1.0;
 189
 190   m_needComputeScaleX = FALSE;
 191   m_needComputeScaleY = FALSE;
 192
 193   m_macPort = NULL ;
 194   m_macMask = NULL ;
 195   m_ok = FALSE ;
 196
 197         m_macFontInstalled = false ;
 198         m_macBrushInstalled = false ;
 199         m_macPenInstalled = false ;
 200
 201         m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 202         m_macBoundaryClipRgn = NewRgn() ;
 203         m_macCurrentClipRgn = NewRgn() ;
 204
 205         SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 206         SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 207
 208     m_pen = *wxBLACK_PEN;
 209     m_font = *wxNORMAL_FONT;
 210     m_brush = *wxWHITE_BRUSH;
 211     m_macCurrentPortStateHelper = NULL ;
 212     m_macATSUIStyle = NULL ;
 213     m_macAliasWasEnabled = false;
 214     m_macForegroundPixMap = NULL ;
 215     m_macBackgroundPixMap = NULL ;
 216 }
 217
 218 wxDC::~wxDC(void)
 219 {
 220     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 221     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 222 }
 223 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 224 {
 225     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 226     m_macCurrentPortStateHelper = help ;
 227         SetClip( (RgnHandle) m_macCurrentClipRgn);
 228
 229         m_macFontInstalled = false ;
 230         m_macBrushInstalled = false ;
 231         m_macPenInstalled = false ;
 232 }
 233
 234 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 235 {
 236     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 237     m_macCurrentPortStateHelper = NULL ;
 238     if( m_macATSUIStyle )
 239     {
 240         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 241         m_macATSUIStyle = NULL ;
 242     }
 243     if ( m_macAliasWasEnabled )
 244     {
 245         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 246         m_macAliasWasEnabled = false ;
 247     }
 248     if ( m_macForegroundPixMap )
 249     {
 250         Pattern blackColor ;
 251         ::PenPat(GetQDGlobalsBlack(&blackColor));
 252         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 253         m_macForegroundPixMap = NULL ;
 254     }
 255     if ( m_macBackgroundPixMap )
 256     {
 257         Pattern whiteColor ;
 258         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 259         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 260         m_macBackgroundPixMap = NULL ;
 261     }
 262 }
 263
 264 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 265 {
 266      wxCHECK_RET( Ok(), wxT("invalid window dc") );
 267
 268      wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 269
 270      wxMacPortSetter helper(this) ;
 271
 272      wxCoord xx = XLOG2DEVMAC(x);
 273      wxCoord yy = YLOG2DEVMAC(y);
 274      wxCoord w = bmp.GetWidth();
 275      wxCoord h = bmp.GetHeight();
 276      wxCoord ww = XLOG2DEVREL(w);
 277      wxCoord hh = YLOG2DEVREL(h);
 278
 279      // Set up drawing mode
 280      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 281                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 282                     //m_logicalFunction == wxSET ? BLACKNESS :
 283                     m_logicalFunction == wxINVERT ? hilite :
 284                    //m_logicalFunction == wxAND ? MERGECOPY :
 285                     m_logicalFunction == wxOR ? srcOr :
 286                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 287                     m_logicalFunction == wxXOR ? srcXor :
 288                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 289                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 290                     //m_logicalFunction == wxSRC_OR ? srcOr :
 291                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 292                     srcCopy );
 293
 294      if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
 295          Rect bitmaprect = { 0 , 0 , hh, ww };
 296          ::OffsetRect( &bitmaprect, xx, yy ) ;
 297          ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
 298     }
 299      else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
 300      {
 301          GWorldPtr    bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
 302          PixMapHandle bmappixels ;
 303
 304          // Set foreground and background colours (for bitmaps depth = 1)
 305          if(bmp.GetDepth() == 1)
 306         {
 307              RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 308              RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 309              RGBForeColor(&fore);
 310              RGBBackColor(&back);
 311          }
 312          else
 313          {
 314              RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
 315              RGBColor black = { 0,0,0} ;
 316              RGBForeColor( &black ) ;
 317              RGBBackColor( &white ) ;
 318          }
 319
 320          bmappixels = GetGWorldPixMap( bmapworld ) ;
 321
 322          wxCHECK_RET(LockPixels(bmappixels),
 323                      wxT("DoDrawBitmap:  Unable to lock pixels"));
 324
 325          Rect source = { 0, 0, h, w };
 326          Rect dest   = { yy, xx, yy + hh, xx + ww };
 327
 328          if ( useMask && bmp.GetMask() )
 329          {
 330              if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
 331              {
 332                  CopyDeepMask
 333                      (
 334                       GetPortBitMapForCopyBits(bmapworld),
 335                       GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
 336                       GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 337                       &source, &source, &dest, mode, NULL
 338                       );
 339                  UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
 340              }
 341          }
 342          else {
 343              CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 344                        GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 345                        &source, &dest, mode, NULL ) ;
 346          }
 347          UnlockPixels( bmappixels ) ;
 348      }
 349      else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
 350      {
 351         Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
 352         OffsetRect( &bitmaprect, xx, yy ) ;
 353         PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
 354      }
 355      m_macPenInstalled = false ;
 356      m_macBrushInstalled = false ;
 357      m_macFontInstalled = false ;
 358
 359 }
 360
 361 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 362 {
 363      wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 364
 365      wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 366
 367     DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
 368 }
 369 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 370 {
 371     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 372     wxCoord xx, yy, ww, hh;
 373
 374     xx = XLOG2DEVMAC(x);
 375     yy = YLOG2DEVMAC(y);
 376     ww = XLOG2DEVREL(width);
 377     hh = YLOG2DEVREL(height);
 378
 379     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 380     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 381
 382     if( m_clipping )
 383     {
 384         m_clipX1 = wxMax( m_clipX1 , xx );
 385         m_clipY1 = wxMax( m_clipY1 , yy );
 386         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 387         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 388     }
 389     else
 390     {
 391         m_clipping = TRUE;
 392         m_clipX1 = xx;
 393         m_clipY1 = yy;
 394         m_clipX2 = xx + ww;
 395         m_clipY2 = yy + hh;
 396     }
 397
 398 }
 399 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 400 {
 401     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 402
 403         wxMacPortSetter helper(this) ;
 404     if (region.Empty())
 405     {
 406         DestroyClippingRegion();
 407         return;
 408     }
 409
 410     wxCoord x, y, w, h;
 411     region.GetBox( x, y, w, h );
 412     wxCoord xx, yy, ww, hh;
 413
 414     xx = XLOG2DEVMAC(x);
 415     yy = YLOG2DEVMAC(y);
 416     ww = XLOG2DEVREL(w);
 417     hh = YLOG2DEVREL(h);
 418
 419     // if we have a scaling that we cannot map onto native regions
 420     // we must use the box
 421
 422     if ( ww != w || hh != h )
 423     {
 424         wxDC::DoSetClippingRegion( x, y, w, h );
 425     }
 426     else
 427     {
 428         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 429         if ( xx != x || yy != y )
 430         {
 431             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 432         }
 433         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 434         if( m_clipping )
 435         {
 436             m_clipX1 = wxMax( m_clipX1 , xx );
 437             m_clipY1 = wxMax( m_clipY1 , yy );
 438             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 439             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 440         }
 441         else
 442         {
 443             m_clipping = TRUE;
 444             m_clipX1 = xx;
 445             m_clipY1 = yy;
 446             m_clipX2 = xx + ww;
 447             m_clipY2 = yy + hh;
 448         }
 449     }
 450
 451 }
 452
 453 void wxDC::DestroyClippingRegion()
 454 {
 455   wxMacPortSetter helper(this) ;
 456   CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 457   m_clipping = FALSE;
 458 }
 459 void wxDC::DoGetSize( int* width, int* height ) const
 460 {
 461   *width = m_maxX-m_minX;
 462   *height = m_maxY-m_minY;
 463 }
 464 void wxDC::DoGetSizeMM( int* width, int* height ) const
 465 {
 466   int w = 0;
 467   int h = 0;
 468   GetSize( &w, &h );
 469   *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 470   *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 471 }
 472 void wxDC::SetTextForeground( const wxColour &col )
 473 {
 474     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 475     m_textForegroundColour = col;
 476     m_macFontInstalled = false ;
 477 }
 478 void wxDC::SetTextBackground( const wxColour &col )
 479 {
 480     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 481     m_textBackgroundColour = col;
 482     m_macFontInstalled = false ;
 483 }
 484 void wxDC::SetMapMode( int mode )
 485 {
 486   switch (mode)
 487   {
 488     case wxMM_TWIPS:
 489       SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 490       break;
 491     case wxMM_POINTS:
 492       SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 493       break;
 494     case wxMM_METRIC:
 495       SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 496       break;
 497     case wxMM_LOMETRIC:
 498       SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 499       break;
 500     default:
 501     case wxMM_TEXT:
 502       SetLogicalScale( 1.0, 1.0 );
 503       break;
 504   }
 505   if (mode != wxMM_TEXT)
 506   {
 507     m_needComputeScaleX = TRUE;
 508     m_needComputeScaleY = TRUE;
 509   }
 510 }
 511 void wxDC::SetUserScale( double x, double y )
 512 {
 513   // allow negative ? -> no
 514   m_userScaleX = x;
 515   m_userScaleY = y;
 516   ComputeScaleAndOrigin();
 517 }
 518 void wxDC::SetLogicalScale( double x, double y )
 519 {
 520   // allow negative ?
 521   m_logicalScaleX = x;
 522   m_logicalScaleY = y;
 523   ComputeScaleAndOrigin();
 524 }
 525 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 526 {
 527   m_logicalOriginX = x * m_signX;   // is this still correct ?
 528   m_logicalOriginY = y * m_signY;
 529   ComputeScaleAndOrigin();
 530 }
 531 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 532 {
 533   m_externalDeviceOriginX = x;
 534   m_externalDeviceOriginY = y;
 535   ComputeScaleAndOrigin();
 536 }
 537
 538 #if 0
 539 void wxDC::SetInternalDeviceOrigin( long x, long y )
 540 {
 541   m_internalDeviceOriginX = x;
 542   m_internalDeviceOriginY = y;
 543   ComputeScaleAndOrigin();
 544 }
 545 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
 546 {
 547   if (x) *x = m_internalDeviceOriginX;
 548   if (y) *y = m_internalDeviceOriginY;
 549 }
 550 #endif
 551 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 552 {
 553   m_signX = (xLeftRight ?  1 : -1);
 554   m_signY = (yBottomUp  ? -1 :  1);
 555   ComputeScaleAndOrigin();
 556 }
 557
 558 wxSize wxDC::GetPPI() const
 559 {
 560     return wxSize(72, 72);
 561 }
 562
 563 int wxDC::GetDepth() const
 564 {
 565     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 566     {
 567         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 568     }
 569     return 1 ;
 570 }
 571
 572 void wxDC::ComputeScaleAndOrigin()
 573 {
 574   // CMB: copy scale to see if it changes
 575   double origScaleX = m_scaleX;
 576   double origScaleY = m_scaleY;
 577
 578   m_scaleX = m_logicalScaleX * m_userScaleX;
 579   m_scaleY = m_logicalScaleY * m_userScaleY;
 580
 581   m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 582   m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 583
 584   // CMB: if scale has changed call SetPen to recalulate the line width
 585   if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 586   {
 587     // this is a bit artificial, but we need to force wxDC to think
 588     // the pen has changed
 589     wxPen* pen = & GetPen();
 590     wxPen tempPen;
 591     m_pen = tempPen;
 592     SetPen(* pen);
 593   }
 594 }
 595 void  wxDC::SetPalette( const wxPalette& palette )
 596 {
 597 }
 598
 599 void  wxDC::SetBackgroundMode( int mode )
 600 {
 601         m_backgroundMode = mode ;
 602 }
 603
 604 void  wxDC::SetFont( const wxFont &font )
 605 {
 606     m_font = font;
 607     m_macFontInstalled = false ;
 608 }
 609
 610 void  wxDC::SetPen( const wxPen &pen )
 611 {
 612         if ( m_pen == pen )
 613                 return ;
 614
 615   m_pen = pen;
 616
 617   m_macPenInstalled = false ;
 618 }
 619
 620 void  wxDC::SetBrush( const wxBrush &brush )
 621 {
 622   if (m_brush == brush)
 623         return;
 624
 625   m_brush = brush;
 626   m_macBrushInstalled = false ;
 627 }
 628
 629 void  wxDC::SetBackground( const wxBrush &brush )
 630 {
 631   if (m_backgroundBrush == brush)
 632         return;
 633
 634   m_backgroundBrush = brush;
 635
 636   if (!m_backgroundBrush.Ok())
 637         return;
 638    m_macBrushInstalled = false ;
 639 }
 640
 641 void  wxDC::SetLogicalFunction( int function )
 642 {
 643         if (m_logicalFunction == function)
 644                 return;
 645
 646         m_logicalFunction = function ;
 647         m_macFontInstalled = false ;
 648         m_macBrushInstalled = false ;
 649         m_macPenInstalled = false ;
 650 }
 651
 652 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 653                           const wxColour & col, int style);
 654
 655 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 656                        const wxColour& col, int style)
 657 {
 658     return wxDoFloodFill(this, x, y, col, style);
 659 }
 660
 661 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 662 {
 663     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 664     wxMacPortSetter helper(this) ;
 665
 666     RGBColor colour;
 667
 668     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 669
 670     // Convert from Mac colour to wx
 671     col->Set( colour.red   >> 8,
 672               colour.green >> 8,
 673               colour.blue  >> 8);
 674
 675     return true ;
 676 }
 677
 678 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 679 {
 680   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 681
 682   wxMacPortSetter helper(this) ;
 683
 684   if (m_pen.GetStyle() != wxTRANSPARENT)
 685   {
 686                 MacInstallPen() ;
 687                 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 688                             m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 689
 690         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 691         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 692         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 693         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 694
 695         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 696             (m_pen.GetWidth() <= 1))
 697         {
 698             // Implement LAST_NOT for MAC at least for
 699             // orthogonal lines. RR.
 700                 if (xx1 == xx2)
 701                 {
 702                         if (yy1 < yy2)
 703                                 yy2--;
 704                     if (yy1 > yy2)
 705                         yy2++;
 706                 }
 707                 if (yy1 == yy2)
 708                 {
 709                         if (xx1 < xx2)
 710                                 xx2--;
 711                     if (xx1 > xx2)
 712                         xx2++;
 713                 }
 714         }
 715
 716                 ::MoveTo(xx1, yy1);
 717                 ::LineTo(xx2, yy2);
 718   }
 719 }
 720
 721 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 722 {
 723     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 724
 725     if (m_pen.GetStyle() != wxTRANSPARENT)
 726     {
 727         int w = 0;
 728         int h = 0;
 729         GetSize( &w, &h );
 730         wxCoord xx = XLOG2DEVMAC(x);
 731         wxCoord yy = YLOG2DEVMAC(y);
 732
 733         MacInstallPen();
 734         ::MoveTo( XLOG2DEVMAC(0), yy );
 735         ::LineTo( XLOG2DEVMAC(w), yy );
 736         ::MoveTo( xx, YLOG2DEVMAC(0) );
 737         ::LineTo( xx, YLOG2DEVMAC(h) );
 738
 739         CalcBoundingBox(x, y);
 740         CalcBoundingBox(x+w, y+h);
 741
 742     }
 743 }
 744
 745 /*
 746  * To draw arcs properly the angles need to be converted from the WX style:
 747  * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 748  * a normal axis on paper).
 749  * TO
 750  * the Mac style:
 751  * Angles start on the +ve y axis and go clockwise.
 752  * To achive this I work out which quadrant the angle lies in then map this to
 753  * the equivalent quadrant on the Mac.  (Sin and Cos values reveal which
 754  * quadrant you are in).
 755  */
 756 static double wxConvertWXangleToMACangle(double angle)
 757 {
 758     double sin_a, cos_a;
 759
 760     sin_a = sin(angle / RAD2DEG);
 761     cos_a = cos(angle / RAD2DEG);
 762
 763     if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
 764         angle = acos(sin_a) * RAD2DEG;
 765     }
 766     else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
 767         sin_a *= -1;
 768         angle = acos(sin_a) * RAD2DEG + 180;
 769     }
 770     else if( (sin_a <= 0.0) && (cos_a >=  0.0) ) {
 771         angle = acos(sin_a) * RAD2DEG + 180;
 772     }
 773     else if( (sin_a <  0.0) && (cos_a <  0.0) ) {
 774         sin_a *= -1;
 775         angle = acos(sin_a) * RAD2DEG + 180;
 776     }
 777     return angle;
 778 }
 779
 780 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 781                            wxCoord x2, wxCoord y2,
 782                            wxCoord xc, wxCoord yc )
 783 {
 784     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
 785
 786     wxCoord xx1 = XLOG2DEVMAC(x1);
 787     wxCoord yy1 = YLOG2DEVMAC(y1);
 788     wxCoord xx2 = XLOG2DEVMAC(x2);
 789     wxCoord yy2 = YLOG2DEVMAC(y2);
 790     wxCoord xxc = XLOG2DEVMAC(xc);
 791     wxCoord yyc = YLOG2DEVMAC(yc);
 792     double dx = xx1 - xxc;
 793     double dy = yy1 - yyc;
 794     double radius = sqrt((double)(dx*dx+dy*dy));
 795     wxCoord rad   = (wxCoord)radius;
 796     double radius1, radius2;
 797
 798     if (xx1 == xx2 && yy1 == yy2)
 799     {
 800         radius1 = 0.0;
 801         radius2 = 360.0;
 802     }
 803     else if (radius == 0.0)
 804     {
 805         radius1 = radius2 = 0.0;
 806     }
 807     else
 808     {
 809         radius1 = (xx1 - xxc == 0) ?
 810             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 811             -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
 812          radius2 = (xx2 - xxc == 0) ?
 813             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 814             -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
 815      }
 816      wxCoord alpha2 = wxCoord(radius2 - radius1);
 817     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 818      if( (xx1 > xx2) || (yy1 > yy2) ) {
 819         alpha2 *= -1;
 820     }
 821
 822     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 823
 824     if(m_brush.GetStyle() != wxTRANSPARENT) {
 825         MacInstallBrush();
 826         PaintArc(&r, alpha1, alpha2);
 827     }
 828     if(m_pen.GetStyle() != wxTRANSPARENT) {
 829         MacInstallPen();
 830         FrameArc(&r, alpha1, alpha2);
 831     }
 832 }
 833
 834 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 835                                    double sa, double ea )
 836 {
 837     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
 838
 839     Rect r;
 840     double angle = sa - ea;  // Order important Mac in opposite direction to wx
 841
 842     wxCoord xx = XLOG2DEVMAC(x);
 843     wxCoord yy = YLOG2DEVMAC(y);
 844     wxCoord ww = m_signX * XLOG2DEVREL(w);
 845     wxCoord hh = m_signY * YLOG2DEVREL(h);
 846
 847     // handle -ve width and/or height
 848     if (ww < 0) { ww = -ww; xx = xx - ww; }
 849     if (hh < 0) { hh = -hh; yy = yy - hh; }
 850
 851     sa = wxConvertWXangleToMACangle(sa);
 852
 853     r.top    = yy;
 854     r.left   = xx;
 855     r.bottom = yy + hh;
 856     r.right  = xx + ww;
 857
 858     if(m_brush.GetStyle() != wxTRANSPARENT) {
 859         MacInstallBrush();
 860         PaintArc(&r, (short)sa, (short)angle);
 861     }
 862     if(m_pen.GetStyle() != wxTRANSPARENT) {
 863         MacInstallPen();
 864         FrameArc(&r, (short)sa, (short)angle);
 865     }
 866 }
 867
 868 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 869 {
 870   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 871
 872   wxMacPortSetter helper(this) ;
 873
 874   if (m_pen.GetStyle() != wxTRANSPARENT)
 875   {
 876         wxCoord xx1 = XLOG2DEVMAC(x);
 877         wxCoord yy1 = YLOG2DEVMAC(y);
 878         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 879         ::SetCPixel( xx1,yy1,&pencolor) ;
 880         CalcBoundingBox(x, y);
 881   }
 882 }
 883
 884 void  wxDC::DoDrawLines(int n, wxPoint points[],
 885                              wxCoord xoffset, wxCoord yoffset)
 886 {
 887   wxCHECK_RET(Ok(), wxT("Invalid DC"));
 888   wxMacPortSetter helper(this) ;
 889
 890   if (m_pen.GetStyle() == wxTRANSPARENT)
 891         return;
 892
 893   MacInstallPen() ;
 894
 895   wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 896                       m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 897
 898   wxCoord x1, x2 , y1 , y2 ;
 899   x1 = XLOG2DEVMAC(points[0].x + xoffset);
 900   y1 = YLOG2DEVMAC(points[0].y + yoffset);
 901   ::MoveTo(x1 - offset, y1 - offset );
 902
 903   for (int i = 0; i < n-1; i++)
 904   {
 905     x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
 906     y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
 907     ::LineTo( x2 - offset, y2 - offset );
 908   }
 909 }
 910
 911 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
 912                           wxCoord xoffset, wxCoord yoffset,
 913                           int fillStyle )
 914 {
 915         wxCHECK_RET(Ok(), wxT("Invalid DC"));
 916         wxMacPortSetter helper(this) ;
 917
 918         wxCoord x1, x2 , y1 , y2 ;
 919
 920     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
 921         return ;
 922
 923         PolyHandle polygon = OpenPoly();
 924
 925         x1 = XLOG2DEVMAC(points[0].x + xoffset);
 926         y1 = YLOG2DEVMAC(points[0].y + yoffset);
 927         ::MoveTo(x1,y1);
 928
 929         for (int i = 1; i < n; i++)
 930         {
 931                 x2 = XLOG2DEVMAC(points[i].x + xoffset);
 932                 y2 = YLOG2DEVMAC(points[i].y + yoffset);
 933                 ::LineTo(x2, y2);
 934         }
 935
 936     // close the polyline if necessary
 937     if ( x1 != x2 || y1 != y2 )
 938     {
 939         ::LineTo(x1,y1 ) ;
 940     }
 941
 942         ClosePoly();
 943
 944         if (m_brush.GetStyle() != wxTRANSPARENT)
 945         {
 946
 947                 MacInstallBrush();
 948                 ::PaintPoly( polygon );
 949
 950         }
 951
 952         if (m_pen.GetStyle() != wxTRANSPARENT)
 953         {
 954
 955                 MacInstallPen() ;
 956                 ::FramePoly( polygon ) ;
 957
 958         }
 959         KillPoly( polygon );
 960 }
 961
 962 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 963 {
 964     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 965     wxMacPortSetter helper(this) ;
 966
 967         wxCoord xx = XLOG2DEVMAC(x);
 968         wxCoord yy = YLOG2DEVMAC(y);
 969         wxCoord ww = m_signX * XLOG2DEVREL(width);
 970         wxCoord hh = m_signY * YLOG2DEVREL(height);
 971
 972         // CMB: draw nothing if transformed w or h is 0
 973         if (ww == 0 || hh == 0)
 974                 return;
 975
 976         // CMB: handle -ve width and/or height
 977         if (ww < 0)
 978         {
 979                 ww = -ww;
 980                 xx = xx - ww;
 981         }
 982
 983         if (hh < 0)
 984         {
 985                 hh = -hh;
 986                 yy = yy - hh;
 987         }
 988
 989         Rect rect = { yy , xx , yy + hh , xx + ww } ;
 990
 991         if (m_brush.GetStyle() != wxTRANSPARENT)
 992         {
 993                 MacInstallBrush() ;
 994                 ::PaintRect( &rect ) ;
 995         }
 996
 997         if (m_pen.GetStyle() != wxTRANSPARENT)
 998         {
 999                 MacInstallPen() ;
1000                 ::FrameRect( &rect ) ;
1001         }
1002 }
1003
1004 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1005                                         wxCoord width, wxCoord height,
1006                                         double radius)
1007 {
1008     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1009     wxMacPortSetter helper(this) ;
1010
1011     if (radius < 0.0)
1012             radius = - radius * ((width < height) ? width : height);
1013
1014         wxCoord xx = XLOG2DEVMAC(x);
1015         wxCoord yy = YLOG2DEVMAC(y);
1016         wxCoord ww = m_signX * XLOG2DEVREL(width);
1017         wxCoord hh = m_signY * YLOG2DEVREL(height);
1018
1019         // CMB: draw nothing if transformed w or h is 0
1020         if (ww == 0 || hh == 0)
1021                 return;
1022
1023         // CMB: handle -ve width and/or height
1024         if (ww < 0)
1025         {
1026                 ww = -ww;
1027                 xx = xx - ww;
1028         }
1029
1030         if (hh < 0)
1031         {
1032                 hh = -hh;
1033                 yy = yy - hh;
1034         }
1035
1036         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1037
1038         if (m_brush.GetStyle() != wxTRANSPARENT)
1039         {
1040                 MacInstallBrush() ;
1041                 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1042         }
1043
1044         if (m_pen.GetStyle() != wxTRANSPARENT)
1045         {
1046                 MacInstallPen() ;
1047                 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1048         }
1049 }
1050
1051 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1052 {
1053     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1054     wxMacPortSetter helper(this) ;
1055
1056         wxCoord xx = XLOG2DEVMAC(x);
1057         wxCoord yy = YLOG2DEVMAC(y);
1058         wxCoord ww = m_signX * XLOG2DEVREL(width);
1059         wxCoord hh = m_signY * YLOG2DEVREL(height);
1060
1061         // CMB: draw nothing if transformed w or h is 0
1062         if (ww == 0 || hh == 0)
1063                 return;
1064
1065         // CMB: handle -ve width and/or height
1066         if (ww < 0)
1067         {
1068                 ww = -ww;
1069                 xx = xx - ww;
1070         }
1071
1072         if (hh < 0)
1073         {
1074                 hh = -hh;
1075                 yy = yy - hh;
1076         }
1077
1078         Rect rect = { yy , xx , yy + hh , xx + ww } ;
1079
1080         if (m_brush.GetStyle() != wxTRANSPARENT)
1081         {
1082                 MacInstallBrush() ;
1083                 ::PaintOval( &rect ) ;
1084         }
1085
1086         if (m_pen.GetStyle() != wxTRANSPARENT)
1087         {
1088                 MacInstallPen() ;
1089                 ::FrameOval( &rect ) ;
1090         }
1091 }
1092
1093
1094
1095 bool  wxDC::CanDrawBitmap(void) const
1096 {
1097         return true ;
1098 }
1099
1100
1101 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1102                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1103                         wxCoord xsrcMask,  wxCoord ysrcMask )
1104 {
1105     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1106     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1107
1108     if ( logical_func == wxNO_OP )
1109         return TRUE ;
1110
1111     if (xsrcMask == -1 && ysrcMask == -1)
1112     {
1113         xsrcMask = xsrc; ysrcMask = ysrc;
1114     }
1115
1116     // correct the parameter in case this dc does not have a mask at all
1117
1118     if ( useMask && !source->m_macMask )
1119         useMask = false ;
1120
1121         Rect srcrect , dstrect ;
1122         srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1123         srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1124         srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1125         srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1126         dstrect.top = YLOG2DEVMAC(ydest) ;
1127         dstrect.left = XLOG2DEVMAC(xdest) ;
1128         dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1129         dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1130
1131     short mode = kUnsupportedMode ;
1132     bool invertDestinationFirst = false ;
1133     switch ( logical_func )
1134     {
1135                 case wxAND:        // src AND dst
1136                     mode = srcOr ; // ok
1137                     break ;
1138                 case wxAND_INVERT: // (NOT src) AND dst
1139                     mode = notSrcOr  ; // ok
1140                     break ;
1141                 case wxAND_REVERSE:// src AND (NOT dst)
1142                     invertDestinationFirst = true ;
1143                     mode = srcOr ;
1144                     break ;
1145                 case wxCLEAR:      // 0
1146                     mode = kEmulatedMode ;
1147                     break ;
1148         case wxCOPY:       // src
1149                         mode = srcCopy ; // ok
1150                         break ;
1151                 case wxEQUIV:      // (NOT src) XOR dst
1152                     mode = srcXor ; // ok
1153                     break ;
1154                 case wxINVERT:     // NOT dst
1155                         mode = kEmulatedMode ; //or hilite ;
1156                         break ;
1157                 case wxNAND:       // (NOT src) OR (NOT dst)
1158                     invertDestinationFirst = true ;
1159                     mode = srcBic ;
1160                     break ;
1161                 case wxNOR:        // (NOT src) AND (NOT dst)
1162                     invertDestinationFirst = true ;
1163                     mode = notSrcOr ;
1164                     break ;
1165                 case wxNO_OP:      // dst
1166                     mode = kEmulatedMode ; // this has already been handled upon entry
1167                     break ;
1168                 case wxOR:         // src OR dst
1169                     mode = notSrcBic ;
1170                     break ;
1171                 case wxOR_INVERT:  // (NOT src) OR dst
1172                     mode = srcBic ;
1173                     break ;
1174                 case wxOR_REVERSE: // src OR (NOT dst)
1175                     invertDestinationFirst = true ;
1176                         mode = notSrcBic ;
1177                         break ;
1178                 case wxSET:        // 1
1179                     mode = kEmulatedMode ;
1180                     break ;
1181                 case wxSRC_INVERT: // (NOT src)
1182                         mode = notSrcCopy ; // ok
1183                         break ;
1184                 case wxXOR:        // src XOR dst
1185                         mode = notSrcXor ; // ok
1186                         break ;
1187
1188         default :
1189                         break ;
1190
1191     }
1192
1193     if ( mode == kUnsupportedMode )
1194     {
1195         wxFAIL_MSG("unsupported blitting mode" );
1196         return FALSE ;
1197     }
1198
1199         CGrafPtr                        sourcePort = (CGrafPtr) source->m_macPort ;
1200         PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1201         if ( LockPixels(bmappixels) )
1202         {
1203         wxMacPortSetter helper(this) ;
1204
1205         if ( source->GetDepth() == 1 )
1206         {
1207             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1208             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1209         }
1210         else
1211         {
1212             // the modes need this, otherwise we'll end up having really nice colors...
1213             RGBColor    white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1214             RGBColor    black = { 0,0,0} ;
1215             RGBForeColor( &black ) ;
1216             RGBBackColor( &white ) ;
1217         }
1218
1219                 if ( useMask && source->m_macMask )
1220                 {
1221                     if ( mode == srcCopy )
1222                     {
1223                         if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1224                         {
1225                                 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1226                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1227                                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1228                                                 &srcrect, &srcrect , &dstrect ) ;
1229                                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1230                         }
1231                     }
1232                     else
1233                     {
1234                 RgnHandle clipRgn = NewRgn() ;
1235                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1236                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1237                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1238                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1239                 if ( mode == kEmulatedMode )
1240                 {
1241                     Pattern pat ;
1242                             ::PenPat(GetQDGlobalsBlack(&pat));
1243                     if ( logical_func == wxSET )
1244                     {
1245                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1246                                 ::RGBForeColor( &col  ) ;
1247                         ::PaintRgn( clipRgn ) ;
1248                     }
1249                     else if ( logical_func == wxCLEAR )
1250                     {
1251                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1252                                 ::RGBForeColor( &col  ) ;
1253                         ::PaintRgn( clipRgn ) ;
1254                     }
1255                     else if ( logical_func == wxINVERT )
1256                     {
1257                         MacInvertRgn( clipRgn ) ;
1258                     }
1259                     else
1260                     {
1261                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1262                         {
1263                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1264                             {
1265                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1266                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1267                                 if ( PtInRgn( dstPoint , clipRgn ) )
1268                                 {
1269                                     RGBColor srcColor ;
1270                                     RGBColor dstColor ;
1271
1272                                     SetPort( (GrafPtr) sourcePort ) ;
1273                                     GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1274                                     SetPort( (GrafPtr) m_macPort ) ;
1275                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1276
1277                                     wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1278                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1279                                 }
1280                             }
1281                         }
1282                     }
1283                 }
1284                 else
1285                 {
1286                     if ( invertDestinationFirst )
1287                     {
1288                         MacInvertRgn( clipRgn ) ;
1289                     }
1290                                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1291                                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1292                                         &srcrect, &dstrect, mode, clipRgn ) ;
1293                     }
1294                     DisposeRgn( clipRgn ) ;
1295                 }
1296                 }
1297                 else
1298                 {
1299             RgnHandle clipRgn = NewRgn() ;
1300             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1301                     if ( mode == kEmulatedMode )
1302                     {
1303                 Pattern pat ;
1304                     ::PenPat(GetQDGlobalsBlack(&pat));
1305                 if ( logical_func == wxSET )
1306                 {
1307                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1308                         ::RGBForeColor( &col  ) ;
1309                     ::PaintRgn( clipRgn ) ;
1310                 }
1311                 else if ( logical_func == wxCLEAR )
1312                 {
1313                     RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1314                         ::RGBForeColor( &col  ) ;
1315                     ::PaintRgn( clipRgn ) ;
1316                 }
1317                 else if ( logical_func == wxINVERT )
1318                 {
1319                     MacInvertRgn( clipRgn ) ;
1320                 }
1321                 else
1322                 {
1323                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1324                     {
1325                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1326                         {
1327                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1328                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1329
1330                             {
1331                                 RGBColor srcColor ;
1332                                 RGBColor dstColor ;
1333
1334                                 SetPort( (GrafPtr) sourcePort ) ;
1335                                 GetCPixel(  srcPoint.h , srcPoint.v , &srcColor) ;
1336                                 SetPort( (GrafPtr) m_macPort ) ;
1337                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1338
1339                                 wxMacCalculateColour( logical_func , srcColor ,  dstColor ) ;
1340                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1341                             }
1342                         }
1343                     }
1344                 }
1345
1346                 }
1347                 else
1348                 {
1349                 if ( invertDestinationFirst )
1350                 {
1351                     MacInvertRgn( clipRgn ) ;
1352                 }
1353                         CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1354                             GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1355                                 &srcrect, &dstrect, mode, NULL ) ;
1356                 }
1357                 DisposeRgn( clipRgn ) ;
1358                 }
1359                 UnlockPixels( bmappixels ) ;
1360         }
1361
1362         m_macPenInstalled = false ;
1363         m_macBrushInstalled = false ;
1364         m_macFontInstalled = false ;
1365
1366   return TRUE;
1367 }
1368
1369 inline Fixed    IntToFixed( int inInt )
1370         {
1371                 return (((SInt32) inInt) << 16);
1372         }
1373
1374
1375 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1376                               double angle)
1377 {
1378     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1379
1380     if (angle == 0.0 )
1381     {
1382         DrawText(str, x, y);
1383         return;
1384     }
1385
1386     if ( str.Length() == 0 )
1387         return ;
1388
1389     wxMacPortSetter helper(this) ;
1390     MacInstallFont() ;
1391
1392         wxString text ;
1393         if ( wxApp::s_macDefaultEncodingIsPC )
1394         {
1395                 text = wxMacMakeMacStringFromPC( str ) ;
1396         }
1397         else
1398         {
1399                 text = str ;
1400         }
1401
1402         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1403     if ( 0 )
1404     {
1405         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1406         SetAntiAliasedTextEnabled(true, m_scaleY * font->m_macFontSize);
1407         m_macAliasWasEnabled = true ;
1408     }
1409
1410     OSStatus status = noErr ;
1411
1412         TECObjectRef ec;
1413         status = TECCreateConverter(&ec, kTextEncodingMacRoman, kTextEncodingUnicodeDefault);
1414         wxASSERT_MSG( status == noErr , "couldn't start converter" ) ;
1415
1416     ByteCount byteOutLen ;
1417     ByteCount byteInLen = text.Length() ;
1418     ByteCount byteBufferLen = byteInLen *2 ;
1419     char* buf = new char[byteBufferLen] ;
1420
1421         status = TECConvertText(ec, (ConstTextPtr)text.c_str() , byteInLen, &byteInLen,
1422             (TextPtr)buf, byteBufferLen, &byteOutLen);
1423
1424         wxASSERT_MSG( status == noErr , "couldn't convert text" ) ;
1425         status = TECDisposeConverter(ec);
1426         wxASSERT_MSG( status == noErr , "couldn't dispose converter" ) ;
1427
1428         ATSUTextLayout atsuLayout ;
1429         UniCharCount chars = byteOutLen / 2 ;
1430     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) buf , 0 , byteOutLen / 2 , byteOutLen / 2 , 1 ,
1431         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1432         wxASSERT_MSG( status == noErr , "couldn't create the layout of the rotated text" );
1433
1434     if ( abs(angle) > 0 )
1435     {
1436         Fixed atsuAngle = IntToFixed( angle ) ;
1437         ByteCount angleSize = sizeof(Fixed) ;
1438         ATSUAttributeTag rotationTag = kATSULineRotationTag ;
1439         ATSUAttributeValuePtr   angleValue = &atsuAngle ;
1440         status = ::ATSUSetLayoutControls(atsuLayout , 1 , &rotationTag , &angleSize , &angleValue ) ;
1441     }
1442
1443     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1444                                 IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) );
1445         wxASSERT_MSG( status == noErr , "couldn't draw the rotated text" );
1446     Rect rect ;
1447         status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1448                                         IntToFixed(XLOG2DEVMAC(x) ) , IntToFixed(YLOG2DEVMAC(y) ) , &rect );
1449         wxASSERT_MSG( status == noErr , "couldn't measure the rotated text" );
1450
1451     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1452     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1453     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1454     ::ATSUDisposeTextLayout(atsuLayout);
1455     delete[] buf ;
1456 }
1457
1458 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1459 {
1460     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1461     wxMacPortSetter helper(this) ;
1462
1463         long xx = XLOG2DEVMAC(x);
1464         long yy = YLOG2DEVMAC(y);
1465 #if TARGET_CARBON
1466         bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1467 #endif
1468         MacInstallFont() ;
1469     if ( 0 )
1470     {
1471         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1472         SetAntiAliasedTextEnabled(true, 8);
1473         m_macAliasWasEnabled = true ;
1474     }
1475
1476         FontInfo fi ;
1477         ::GetFontInfo( &fi ) ;
1478
1479 #if TARGET_CARBON
1480         if ( !useDrawThemeText )
1481 #endif
1482             yy += fi.ascent ;
1483
1484         ::MoveTo( xx , yy );
1485         if (  m_backgroundMode == wxTRANSPARENT )
1486         {
1487                 ::TextMode( srcOr) ;
1488         }
1489         else
1490         {
1491                 ::TextMode( srcCopy ) ;
1492         }
1493
1494         const char *text = NULL ;
1495         int length = 0 ;
1496         wxString macText ;
1497
1498         if ( wxApp::s_macDefaultEncodingIsPC )
1499         {
1500                 macText = wxMacMakeMacStringFromPC( strtext ) ;
1501                 text = macText ;
1502                 length = macText.Length() ;
1503         }
1504         else
1505         {
1506                 text = strtext ;
1507                 length = strtext.Length() ;
1508         }
1509
1510         int laststop = 0 ;
1511         int i = 0 ;
1512         int line = 0 ;
1513
1514     {
1515
1516         while( i < length )
1517         {
1518                 if( text[i] == 13 || text[i] == 10)
1519                 {
1520 #if TARGET_CARBON
1521                 if ( useDrawThemeText )
1522                 {
1523                     Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 1000 } ;
1524                     CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1525                         ::DrawThemeTextBox( mString,
1526                                                                 kThemeCurrentPortFont,
1527                                                                 kThemeStateActive,
1528                                                                 true,
1529                                                                 &frame,
1530                                                                 teJustLeft,
1531                                                                 nil );
1532                     CFRelease( mString ) ;
1533                     line++ ;
1534                 }
1535                     else
1536 #endif
1537                     {
1538                                 ::DrawText( text , laststop , i - laststop ) ;
1539                     line++ ;
1540                                 ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1541                         }
1542                         laststop = i+1 ;
1543                 }
1544                 i++ ;
1545         }
1546 #if TARGET_CARBON
1547         if ( useDrawThemeText )
1548         {
1549             Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading)  ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 1000 } ;
1550             CFStringRef mString = CFStringCreateWithCString( NULL , text + laststop , kCFStringEncodingMacRoman ) ;
1551                 ::DrawThemeTextBox( mString,
1552                                                         kThemeCurrentPortFont,
1553                                                         kThemeStateActive,
1554                                                         true,
1555                                                         &frame,
1556                                                         teJustLeft,
1557                                                         nil );
1558             CFRelease( mString ) ;
1559         }
1560         else
1561 #endif
1562         {
1563             ::DrawText( text , laststop , i - laststop ) ;
1564         }
1565         }
1566         ::TextMode( srcOr ) ;
1567 }
1568
1569 bool  wxDC::CanGetTextExtent() const
1570 {
1571         wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1572
1573         return true ;
1574 }
1575
1576 void  wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1577                      wxCoord *descent, wxCoord *externalLeading ,
1578                      wxFont *theFont ) const
1579 {
1580    wxCHECK_RET(Ok(), wxT("Invalid DC"));
1581    wxMacPortSetter helper(this) ;
1582
1583         wxFont formerFont = m_font ;
1584
1585         if ( theFont )
1586         {
1587             // work around the constness
1588        *((wxFont*)(&m_font)) = *theFont ;
1589         }
1590
1591         MacInstallFont() ;
1592
1593         FontInfo fi ;
1594         ::GetFontInfo( &fi ) ;
1595 #if TARGET_CARBON
1596         bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1597 #endif
1598
1599         if ( height )
1600                 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1601         if ( descent )
1602                 *descent =YDEV2LOGREL( fi.descent );
1603         if ( externalLeading )
1604                 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1605
1606         const char *text = NULL ;
1607         int length = 0 ;
1608         wxString macText ;
1609         if ( wxApp::s_macDefaultEncodingIsPC )
1610         {
1611                 macText = wxMacMakeMacStringFromPC( string ) ;
1612                 text = macText ;
1613                 length = macText.Length() ;
1614         }
1615         else
1616         {
1617                 text = string ;
1618                 length = string.Length() ;
1619         }
1620
1621         int laststop = 0 ;
1622         int i = 0 ;
1623         int curwidth = 0 ;
1624         if ( width )
1625         {
1626                 *width = 0 ;
1627
1628                 while( i < length )
1629                 {
1630                         if( text[i] == 13 || text[i] == 10)
1631                         {
1632                                 if ( height )
1633                                         *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1634 #if TARGET_CARBON
1635                 if ( useGetThemeText )
1636                 {
1637                     Point bounds={0,0} ;
1638                     CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1639                         ::GetThemeTextDimensions( mString,
1640                                                                 kThemeCurrentPortFont,
1641                                                                 kThemeStateActive,
1642                                                                 true,
1643                                                                 &bounds,
1644                                                                 nil );
1645                     CFRelease( mString ) ;
1646                     curwidth = bounds.h ;
1647                 }
1648                 else
1649 #endif
1650                 {
1651                                     curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1652                                 }
1653                                 if ( curwidth > *width )
1654                                         *width = XDEV2LOGREL( curwidth ) ;
1655                                 laststop = i+1 ;
1656                         }
1657                         i++ ;
1658                 }
1659
1660 #if TARGET_CARBON
1661         if ( useGetThemeText )
1662         {
1663             Point bounds={0,0} ;
1664             CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
1665                 ::GetThemeTextDimensions( mString,
1666                                                         kThemeCurrentPortFont,
1667                                                         kThemeStateActive,
1668                                                         true,
1669                                                         &bounds,
1670                                                         nil );
1671             CFRelease( mString ) ;
1672             curwidth = bounds.h ;
1673         }
1674         else
1675 #endif
1676         {
1677                     curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1678                 }
1679                 if ( curwidth > *width )
1680                         *width = XDEV2LOGREL( curwidth ) ;
1681         }
1682
1683         if ( theFont )
1684         {
1685             // work around the constness
1686        *((wxFont*)(&m_font)) = formerFont ;
1687                 m_macFontInstalled = false ;
1688         }
1689 }
1690
1691 wxCoord   wxDC::GetCharWidth(void) const
1692 {
1693     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1694
1695    wxMacPortSetter helper(this) ;
1696
1697         MacInstallFont() ;
1698
1699     int width = ::TextWidth( "n" , 0 , 1 ) ;
1700
1701         return YDEV2LOGREL(width) ;
1702 }
1703
1704 wxCoord   wxDC::GetCharHeight(void) const
1705 {
1706     wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1707
1708     wxMacPortSetter helper(this) ;
1709
1710         MacInstallFont() ;
1711
1712         FontInfo fi ;
1713         ::GetFontInfo( &fi ) ;
1714
1715         return YDEV2LOGREL( fi.descent + fi.ascent );
1716 }
1717
1718 void  wxDC::Clear(void)
1719 {
1720     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1721     wxMacPortSetter helper(this) ;
1722         Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1723
1724         if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1725         {
1726             ::PenNormal() ;
1727             //MacInstallBrush() ;
1728         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1729                 ::EraseRect( &rect ) ;
1730         }
1731 }
1732
1733 void wxDC::MacInstallFont() const
1734 {
1735     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1736 //      if ( m_macFontInstalled )
1737 //              return ;
1738         Pattern blackColor ;
1739
1740         MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1741
1742         wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1743
1744         if ( font )
1745         {
1746                 ::TextFont( font->m_macFontNum ) ;
1747                 ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1748                 ::TextFace( font->m_macFontStyle ) ;
1749
1750                 m_macFontInstalled = true ;
1751                 m_macBrushInstalled = false ;
1752                 m_macPenInstalled = false ;
1753
1754                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1755                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1756                 ::RGBForeColor( &forecolor );
1757                 ::RGBBackColor( &backcolor );
1758         }
1759         else
1760         {
1761         FontFamilyID fontId ;
1762         Str255 fontName ;
1763         SInt16 fontSize ;
1764         Style fontStyle ;
1765         GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1766         GetFNum( fontName, &fontId );
1767
1768                 ::TextFont( fontId ) ;
1769                 ::TextSize( short(m_scaleY * fontSize) ) ;
1770                 ::TextFace( fontStyle ) ;
1771
1772                 // todo reset after spacing changes - or store the current spacing somewhere
1773
1774                 m_macFontInstalled = true ;
1775                 m_macBrushInstalled = false ;
1776                 m_macPenInstalled = false ;
1777
1778                 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1779                 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1780                 ::RGBForeColor( &forecolor );
1781                 ::RGBBackColor( &backcolor );
1782         }
1783
1784         short mode = patCopy ;
1785
1786         // todo :
1787
1788         switch( m_logicalFunction )
1789         {
1790                 case wxCOPY:       // src
1791                         mode = patCopy ;
1792                         break ;
1793                 case wxINVERT:     // NOT dst
1794                         ::PenPat(GetQDGlobalsBlack(&blackColor));
1795                         mode = patXor ;
1796                         break ;
1797                 case wxXOR:        // src XOR dst
1798                         mode = patXor ;
1799                         break ;
1800                 case wxOR_REVERSE: // src OR (NOT dst)
1801                         mode = notPatOr ;
1802                         break ;
1803                 case wxSRC_INVERT: // (NOT src)
1804                         mode = notPatCopy ;
1805                         break ;
1806
1807                 // unsupported TODO
1808
1809                 case wxCLEAR:      // 0
1810                 case wxAND_REVERSE:// src AND (NOT dst)
1811                 case wxAND:        // src AND dst
1812                 case wxAND_INVERT: // (NOT src) AND dst
1813                 case wxNO_OP:      // dst
1814                 case wxNOR:        // (NOT src) AND (NOT dst)
1815                 case wxEQUIV:      // (NOT src) XOR dst
1816                 case wxOR_INVERT:  // (NOT src) OR dst
1817                 case wxNAND:       // (NOT src) OR (NOT dst)
1818                 case wxOR:         // src OR dst
1819                 case wxSET:        // 1
1820 //              case wxSRC_OR:     // source _bitmap_ OR destination
1821 //              case wxSRC_AND:     // source _bitmap_ AND destination
1822                         break ;
1823         }
1824         ::PenMode( mode ) ;
1825
1826     OSStatus status = noErr ;
1827
1828     Fixed atsuSize = IntToFixed(m_scaleY * font->m_macFontSize) ;
1829
1830     Style qdStyle = font->m_macFontStyle ;
1831         ATSUFontID      atsuFont = font->m_macATSUFontID ;
1832
1833     status = ::ATSUCreateStyle(&(ATSUStyle)m_macATSUIStyle) ;
1834         wxASSERT_MSG( status == noErr , "couldn't create ATSU style" ) ;
1835
1836         ATSUAttributeTag atsuTags[] =
1837         {
1838             kATSUFontTag ,
1839             kATSUSizeTag ,
1840 //          kATSUColorTag ,
1841             kATSUBaselineClassTag ,
1842             kATSUVerticalCharacterTag,
1843
1844             kATSUQDBoldfaceTag ,
1845             kATSUQDItalicTag ,
1846             kATSUQDUnderlineTag ,
1847             kATSUQDCondensedTag ,
1848             kATSUQDExtendedTag ,
1849
1850         } ;
1851
1852     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1853     {
1854         sizeof( ATSUFontID ) ,
1855         sizeof( Fixed ) ,
1856 //        sizeof( RGBColor ) ,
1857         sizeof( BslnBaselineClass ) ,
1858         sizeof( ATSUVerticalCharacterType),
1859
1860         sizeof( Boolean ) ,
1861         sizeof( Boolean ) ,
1862         sizeof( Boolean ) ,
1863         sizeof( Boolean ) ,
1864         sizeof( Boolean ) ,
1865
1866     } ;
1867
1868     Boolean kTrue = true ;
1869     Boolean kFalse = false ;
1870     BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1871
1872     ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1873
1874         ATSUAttributeValuePtr   atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1875         {
1876             &atsuFont ,
1877             &atsuSize ,
1878 //          &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1879             &kBaselineDefault ,
1880             &kHorizontal,
1881
1882             (qdStyle & bold) ? &kTrue : &kFalse ,
1883             (qdStyle & italic) ? &kTrue : &kFalse ,
1884             (qdStyle & underline) ? &kTrue : &kFalse ,
1885             (qdStyle & condense) ? &kTrue : &kFalse ,
1886             (qdStyle & extend) ? &kTrue : &kFalse ,
1887         } ;
1888
1889         status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1890             atsuTags, atsuSizes, atsuValues);
1891         wxASSERT_MSG( status == noErr , "couldn't set create ATSU style" ) ;
1892
1893 }
1894
1895 Pattern gHatchPatterns[] =
1896 {
1897     { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } ,
1898     { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } ,
1899     { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } ,
1900     { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } ,
1901     { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } ,
1902     { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } ,
1903     { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } ,
1904 } ;
1905
1906 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1907 {
1908         int theIndex = 1 ;
1909
1910         switch(hatchStyle)
1911         {
1912                 case wxBDIAGONAL_HATCH:
1913                         theIndex = 2;
1914                         break;
1915                 case wxFDIAGONAL_HATCH:
1916                         theIndex = 3;
1917                         break;
1918                 case wxCROSS_HATCH:
1919                         theIndex = 4;
1920                         break;
1921                 case wxHORIZONTAL_HATCH:
1922                         theIndex = 5;
1923                         break;
1924                 case wxVERTICAL_HATCH:
1925                         theIndex = 6;
1926                         break;
1927                 case wxCROSSDIAG_HATCH:
1928                         theIndex = 7;
1929                         break;
1930                 default:
1931                         theIndex = 1; // solid pattern
1932                         break;
1933         }
1934         *pattern = gHatchPatterns[theIndex-1] ;
1935 }
1936
1937 void wxDC::MacInstallPen() const
1938 {
1939     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1940
1941         Pattern  blackColor;
1942
1943 //      if ( m_macPenInstalled )
1944 //              return ;
1945
1946         RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1947         RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1948         ::RGBForeColor( &forecolor );
1949         ::RGBBackColor( &backcolor );
1950
1951         ::PenNormal() ;
1952         int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1953
1954         // null means only one pixel, at whatever resolution
1955         if ( penWidth == 0 )
1956                 penWidth = 1 ;
1957         ::PenSize(penWidth, penWidth);
1958
1959         int penStyle = m_pen.GetStyle();
1960
1961         if (penStyle == wxSOLID)
1962         {
1963                 ::PenPat(GetQDGlobalsBlack(&blackColor));
1964         }
1965         else if (IS_HATCH(penStyle))
1966         {
1967                 Pattern pat ;
1968                 wxMacGetHatchPattern(penStyle, &pat);
1969                 ::PenPat(&pat);
1970         }
1971         else
1972         {
1973             Pattern pat = *GetQDGlobalsBlack(&blackColor) ;
1974             switch( penStyle )
1975             {
1976                 case wxDOT :
1977                 for ( int i = 0 ; i < 8 ; ++i )
1978                 {
1979                     pat.pat[i] = 0xCC ;
1980                 }
1981                     break ;
1982                 case wxLONG_DASH :
1983                 for ( int i = 0 ; i < 8 ; ++i )
1984                 {
1985                     pat.pat[i] = 0xFE ;
1986                 }
1987                     break ;
1988                 case wxSHORT_DASH :
1989                 for ( int i = 0 ; i < 8 ; ++i )
1990                 {
1991                     pat.pat[i] = 0xEE ;
1992                 }
1993                     break ;
1994                 case wxDOT_DASH :
1995                 for ( int i = 0 ; i < 8 ; ++i )
1996                 {
1997                     pat.pat[i] = 0x6F ;
1998                 }
1999                     break ;
2000                 case wxUSER_DASH :
2001                     {
2002                         wxDash* dash ;
2003                         int number = m_pen.GetDashes(&dash) ;
2004                         // right now we don't allocate larger pixmaps
2005                         for ( int i = 0 ; i < 8 ; ++i )
2006                         {
2007                             pat.pat[i] = dash[0] ;
2008                         }
2009                     }
2010                     break ;
2011             }
2012                 ::PenPat(&pat);
2013         }
2014
2015         short mode = patCopy ;
2016
2017         // todo :
2018
2019         switch( m_logicalFunction )
2020         {
2021                 case wxCOPY:       // only foreground color, leave background (thus not patCopy)
2022                         mode = patOr ;
2023                         break ;
2024                 case wxINVERT:     // NOT dst
2025 //                      ::PenPat(GetQDGlobalsBlack(&blackColor));
2026                         mode = patXor ;
2027                         break ;
2028                 case wxXOR:        // src XOR dst
2029                         mode = patXor ;
2030                         break ;
2031                 case wxOR_REVERSE: // src OR (NOT dst)
2032                         mode = notPatOr ;
2033                         break ;
2034                 case wxSRC_INVERT: // (NOT src)
2035                         mode = notPatCopy ;
2036                         break ;
2037
2038                 // unsupported TODO
2039
2040                 case wxCLEAR:      // 0
2041                 case wxAND_REVERSE:// src AND (NOT dst)
2042                 case wxAND:        // src AND dst
2043                 case wxAND_INVERT: // (NOT src) AND dst
2044                 case wxNO_OP:      // dst
2045                 case wxNOR:        // (NOT src) AND (NOT dst)
2046                 case wxEQUIV:      // (NOT src) XOR dst
2047                 case wxOR_INVERT:  // (NOT src) OR dst
2048                 case wxNAND:       // (NOT src) OR (NOT dst)
2049                 case wxOR:         // src OR dst
2050                 case wxSET:        // 1
2051 //              case wxSRC_OR:     // source _bitmap_ OR destination
2052 //              case wxSRC_AND:     // source _bitmap_ AND destination
2053                         break ;
2054         }
2055         ::PenMode( mode ) ;
2056         m_macPenInstalled = true ;
2057         m_macBrushInstalled = false ;
2058         m_macFontInstalled = false ;
2059 }
2060
2061 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
2062 {
2063     Pattern whiteColor ;
2064     switch( background.MacGetBrushKind() )
2065     {
2066       case kwxMacBrushTheme :
2067         {
2068                 ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
2069           break ;
2070         }
2071       case kwxMacBrushThemeBackground :
2072         {
2073                 Rect extent ;
2074                 ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
2075                 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2076           break ;
2077         }
2078       case kwxMacBrushColour :
2079         {
2080             ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2081                 int brushStyle = background.GetStyle();
2082                 if (brushStyle == wxSOLID)
2083                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
2084                 else if (IS_HATCH(brushStyle))
2085                 {
2086                         Pattern pat ;
2087                         wxMacGetHatchPattern(brushStyle, &pat);
2088                         ::BackPat(&pat);
2089                 }
2090                 else
2091                 {
2092                         ::BackPat(GetQDGlobalsWhite(&whiteColor));
2093                 }
2094           break ;
2095         }
2096     }
2097 }
2098
2099 void wxDC::MacInstallBrush() const
2100 {
2101     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2102
2103         Pattern  blackColor ;
2104 //      if ( m_macBrushInstalled )
2105 //              return ;
2106
2107         // foreground
2108
2109         bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2110
2111         ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2112         ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2113
2114         int brushStyle = m_brush.GetStyle();
2115         if (brushStyle == wxSOLID)
2116         {
2117                 ::PenPat(GetQDGlobalsBlack(&blackColor));
2118     }
2119         else if (IS_HATCH(brushStyle))
2120         {
2121                 Pattern pat ;
2122                 wxMacGetHatchPattern(brushStyle, &pat);
2123                 ::PenPat(&pat);
2124         }
2125         else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2126         {
2127             // we force this in order to be compliant with wxMSW
2128             backgroundTransparent = false ;
2129             // for these the text fore (and back for MASK_OPAQUE) colors are used
2130             wxBitmap* bitmap = m_brush.GetStipple() ;
2131             int width = bitmap->GetWidth() ;
2132             int height = bitmap->GetHeight() ;
2133         GWorldPtr gw = NULL ;
2134
2135             if ( m_brush.GetStyle() == wxSTIPPLE )
2136                 gw = MAC_WXHBITMAP(bitmap->GetHBITMAP())  ;
2137             else
2138                 gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2139
2140         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2141         LockPixels( gwpixmaphandle ) ;
2142
2143             bool isMonochrome = !IsPortColor( gw ) ;
2144
2145         if ( !isMonochrome )
2146         {
2147             if ( (**gwpixmaphandle).pixelSize == 1 )
2148                 isMonochrome = true ;
2149         }
2150
2151         if ( isMonochrome && width == 8 && height == 8 )
2152             {
2153                 ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2154                 ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2155             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2156             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2157             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2158             Pattern pat ;
2159             for ( int i = 0 ; i < 8 ; ++i )
2160             {
2161                 pat.pat[i] = gwbits[i*alignment+0] ;
2162             }
2163             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2164             ::PenPat( &pat ) ;
2165             }
2166             else
2167             {
2168  // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2169  // caching scheme before putting this into production
2170                 Handle      image;
2171                 long            imageSize;
2172                 PixPatHandle pixpat = NewPixPat() ;
2173
2174                 CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2175             imageSize = GetPixRowBytes((**pixpat).patMap) *
2176                             ((**(**pixpat).patMap).bounds.bottom -
2177                             (**(**pixpat).patMap).bounds.top);
2178
2179             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2180             (**pixpat).patData = image;
2181             if ( isMonochrome )
2182             {
2183                     CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2184                     ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2185                     if ( ctspec[0].rgb.red == 0x0000 )
2186                     {
2187                         ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2188                         ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2189                     }
2190                     else
2191                     {
2192                         ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2193                         ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2194                     }
2195                     ::CTabChanged( ctable ) ;
2196             }
2197             ::PenPixPat(pixpat);
2198             m_macForegroundPixMap = pixpat ;
2199             }
2200             UnlockPixels( gwpixmaphandle ) ;
2201         }
2202     else
2203     {
2204             ::PenPat(GetQDGlobalsBlack(&blackColor));
2205         }
2206
2207         short mode = patCopy ;
2208         switch( m_logicalFunction )
2209         {
2210                 case wxCOPY:       // src
2211                     if ( backgroundTransparent )
2212                         mode = patOr ;
2213                     else
2214                             mode = patCopy ;
2215                         break ;
2216                 case wxINVERT:     // NOT dst
2217                     if ( !backgroundTransparent )
2218                     {
2219                             ::PenPat(GetQDGlobalsBlack(&blackColor));
2220                         }
2221                         mode = patXor ;
2222                         break ;
2223                 case wxXOR:        // src XOR dst
2224                         mode = patXor ;
2225                         break ;
2226                 case wxOR_REVERSE: // src OR (NOT dst)
2227                         mode = notPatOr ;
2228                         break ;
2229                 case wxSRC_INVERT: // (NOT src)
2230                         mode = notPatCopy ;
2231                         break ;
2232
2233                 // unsupported TODO
2234
2235                 case wxCLEAR:      // 0
2236                 case wxAND_REVERSE:// src AND (NOT dst)
2237                 case wxAND:        // src AND dst
2238                 case wxAND_INVERT: // (NOT src) AND dst
2239                 case wxNO_OP:      // dst
2240                 case wxNOR:        // (NOT src) AND (NOT dst)
2241                 case wxEQUIV:      // (NOT src) XOR dst
2242                 case wxOR_INVERT:  // (NOT src) OR dst
2243                 case wxNAND:       // (NOT src) OR (NOT dst)
2244                 case wxOR:         // src OR dst
2245                 case wxSET:        // 1
2246 //              case wxSRC_OR:     // source _bitmap_ OR destination
2247 //              case wxSRC_AND:     // source _bitmap_ AND destination
2248                         break ;
2249         }
2250         ::PenMode( mode ) ;
2251         m_macBrushInstalled = true ;
2252         m_macPenInstalled = false ;
2253         m_macFontInstalled = false ;
2254 }
2255
2256 // ---------------------------------------------------------------------------
2257 // coordinates transformations
2258 // ---------------------------------------------------------------------------
2259
2260
2261 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2262 {
2263     return ((wxDC *)this)->XDEV2LOG(x);
2264 }
2265
2266 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2267 {
2268     return ((wxDC *)this)->YDEV2LOG(y);
2269 }
2270
2271 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2272 {
2273     return ((wxDC *)this)->XDEV2LOGREL(x);
2274 }
2275
2276 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2277 {
2278     return ((wxDC *)this)->YDEV2LOGREL(y);
2279 }
2280
2281 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2282 {
2283     return ((wxDC *)this)->XLOG2DEV(x);
2284 }
2285
2286 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2287 {
2288     return ((wxDC *)this)->YLOG2DEV(y);
2289 }
2290
2291 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2292 {
2293     return ((wxDC *)this)->XLOG2DEVREL(x);
2294 }
2295
2296 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2297 {
2298     return ((wxDC *)this)->YLOG2DEVREL(y);
2299 }