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 #include "wx/wxprec.h"
  13
  14 #include "wx/dc.h"
  15
  16 #if !wxMAC_USE_CORE_GRAPHICS
  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 #ifdef __MSL__
  26     #if __MSL__ >= 0x6000
  27         namespace std {}
  28         using namespace std ;
  29     #endif
  30 #endif
  31
  32 #include "wx/mac/private.h"
  33 #ifndef __DARWIN__
  34 #include <ATSUnicode.h>
  35 #include <TextCommon.h>
  36 #include <TextEncodingConverter.h>
  37 #endif
  38
  39
  40 // set to 0 if problems arise
  41 #define wxMAC_EXPERIMENTAL_DC 1
  42
  43
  44 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  45
  46 //-----------------------------------------------------------------------------
  47 // constants
  48 //-----------------------------------------------------------------------------
  49
  50 const double RAD2DEG  = 180.0 / M_PI;
  51 const short kEmulatedMode = -1 ;
  52 const short kUnsupportedMode = -2 ;
  53
  54 extern TECObjectRef s_TECNativeCToUnicode ;
  55
  56
  57 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
  58     m_ph( (GrafPtr) dc->m_macPort )
  59 {
  60     wxASSERT( dc->Ok() ) ;
  61     m_dc = dc ;
  62     dc->MacSetupPort(&m_ph) ;
  63 }
  64
  65 wxMacPortSetter::~wxMacPortSetter()
  66 {
  67     m_dc->MacCleanupPort(&m_ph) ;
  68 }
  69
  70 #if wxMAC_EXPERIMENTAL_DC
  71 class wxMacFastPortSetter
  72 {
  73 public :
  74     wxMacFastPortSetter( const wxDC *dc )
  75     {
  76         wxASSERT( dc->Ok() ) ;
  77         m_swapped = QDSwapPort( (GrafPtr) dc->m_macPort , &m_oldPort ) ;
  78         m_clipRgn = NewRgn() ;
  79         GetClip( m_clipRgn ) ;
  80         m_dc = dc ;
  81         dc->MacSetupPort( NULL ) ;
  82     }
  83
  84     ~wxMacFastPortSetter()
  85     {
  86         // SetPort( (GrafPtr) m_dc->m_macPort ) ;
  87         SetClip( m_clipRgn ) ;
  88         if ( m_swapped )
  89             SetPort( m_oldPort ) ;
  90         m_dc->MacCleanupPort( NULL ) ;
  91         DisposeRgn( m_clipRgn ) ;
  92     }
  93
  94 private :
  95     bool m_swapped ;
  96     RgnHandle m_clipRgn ;
  97     GrafPtr m_oldPort ;
  98     const wxDC*   m_dc ;
  99 } ;
 100
 101 #else
 102 typedef wxMacPortSetter wxMacFastPortSetter ;
 103 #endif
 104
 105 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 106     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
 107 {
 108     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 109     m_formerClip = NewRgn() ;
 110     m_newClip = NewRgn() ;
 111     GetClip( m_formerClip ) ;
 112
 113     if ( win )
 114     {
 115         // guard against half constructed objects, this just leads to a empty clip
 116         if ( win->GetPeer() )
 117         {
 118             int x = 0 , y = 0;
 119             win->MacWindowToRootWindow( &x, &y ) ;
 120
 121             // get area including focus rect
 122             CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
 123             if ( !EmptyRgn( m_newClip ) )
 124                 OffsetRgn( m_newClip , x , y ) ;
 125         }
 126
 127         SetClip( m_newClip ) ;
 128     }
 129 }
 130
 131 wxMacWindowClipper::~wxMacWindowClipper()
 132 {
 133     SetPort( m_newPort ) ;
 134     SetClip( m_formerClip ) ;
 135     DisposeRgn( m_newClip ) ;
 136     DisposeRgn( m_formerClip ) ;
 137 }
 138
 139 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
 140     wxMacWindowClipper( win )
 141 {
 142     // the port is already set at this point
 143     m_newPort = (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 144     GetThemeDrawingState( &m_themeDrawingState ) ;
 145 }
 146
 147 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 148 {
 149     SetPort( m_newPort ) ;
 150     SetThemeDrawingState( m_themeDrawingState , true ) ;
 151 }
 152
 153 //-----------------------------------------------------------------------------
 154 // Local functions
 155 //-----------------------------------------------------------------------------
 156 static inline double dmin(double a, double b) { return a < b ? a : b; }
 157 static inline double dmax(double a, double b) { return a > b ? a : b; }
 158 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 159
 160 //-----------------------------------------------------------------------------
 161 // wxDC
 162 //-----------------------------------------------------------------------------
 163 // this function emulates all wx colour manipulations, used to verify the implementation
 164 // by setting the mode in the blitting functions to kEmulatedMode
 165 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
 166
 167 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
 168 {
 169     switch ( logical_func )
 170     {
 171         case wxAND:        // src AND dst
 172             dstColor.red = dstColor.red & srcColor.red ;
 173             dstColor.green = dstColor.green & srcColor.green ;
 174             dstColor.blue = dstColor.blue & srcColor.blue ;
 175             break ;
 176
 177         case wxAND_INVERT: // (NOT src) AND 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
 183         case wxAND_REVERSE:// src AND (NOT dst)
 184             dstColor.red = ~dstColor.red & srcColor.red ;
 185             dstColor.green = ~dstColor.green & srcColor.green ;
 186             dstColor.blue = ~dstColor.blue & srcColor.blue ;
 187             break ;
 188
 189         case wxCLEAR:      // 0
 190             dstColor.red = 0 ;
 191             dstColor.green = 0 ;
 192             dstColor.blue = 0 ;
 193             break ;
 194
 195         case wxCOPY:       // src
 196             dstColor.red = srcColor.red ;
 197             dstColor.green = srcColor.green ;
 198             dstColor.blue = srcColor.blue ;
 199             break ;
 200
 201         case wxEQUIV:      // (NOT src) XOR dst
 202             dstColor.red = dstColor.red ^ ~srcColor.red ;
 203             dstColor.green = dstColor.green ^ ~srcColor.green ;
 204             dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
 205             break ;
 206
 207         case wxINVERT:     // NOT dst
 208             dstColor.red = ~dstColor.red ;
 209             dstColor.green = ~dstColor.green ;
 210             dstColor.blue = ~dstColor.blue ;
 211             break ;
 212
 213         case wxNAND:       // (NOT src) OR (NOT dst)
 214             dstColor.red = ~dstColor.red | ~srcColor.red ;
 215             dstColor.green = ~dstColor.green | ~srcColor.green ;
 216             dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
 217             break ;
 218
 219         case wxNOR:        // (NOT src) AND (NOT dst)
 220             dstColor.red = ~dstColor.red & ~srcColor.red ;
 221             dstColor.green = ~dstColor.green & ~srcColor.green ;
 222             dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
 223             break ;
 224
 225         case wxOR:         // src OR dst
 226             dstColor.red = dstColor.red | srcColor.red ;
 227             dstColor.green = dstColor.green | srcColor.green ;
 228             dstColor.blue = dstColor.blue | srcColor.blue ;
 229             break ;
 230
 231         case wxOR_INVERT:  // (NOT src) OR dst
 232             dstColor.red = dstColor.red | ~srcColor.red ;
 233             dstColor.green = dstColor.green | ~srcColor.green ;
 234             dstColor.blue = dstColor.blue | ~srcColor.blue ;
 235             break ;
 236
 237         case wxOR_REVERSE: // src OR (NOT dst)
 238             dstColor.red = ~dstColor.red | srcColor.red ;
 239             dstColor.green = ~dstColor.green | srcColor.green ;
 240             dstColor.blue = ~dstColor.blue | srcColor.blue ;
 241             break ;
 242
 243         case wxSET:        // 1
 244             dstColor.red = 0xFFFF ;
 245             dstColor.green = 0xFFFF ;
 246             dstColor.blue = 0xFFFF ;
 247             break ;
 248
 249         case wxSRC_INVERT: // (NOT src)
 250             dstColor.red = ~srcColor.red ;
 251             dstColor.green = ~srcColor.green ;
 252             dstColor.blue = ~srcColor.blue ;
 253             break ;
 254
 255         case wxXOR:        // src XOR dst
 256             dstColor.red = dstColor.red ^ srcColor.red ;
 257             dstColor.green = dstColor.green ^ srcColor.green ;
 258             dstColor.blue = dstColor.blue ^ srcColor.blue ;
 259             break ;
 260
 261         case wxNO_OP:      // dst
 262         default:
 263             break ;
 264     }
 265 }
 266
 267 wxDC::wxDC()
 268 {
 269     m_ok = false;
 270     m_colour = true;
 271     m_mm_to_pix_x = mm2pt;
 272     m_mm_to_pix_y = mm2pt;
 273     m_internalDeviceOriginX = 0;
 274     m_internalDeviceOriginY = 0;
 275     m_externalDeviceOriginX = 0;
 276     m_externalDeviceOriginY = 0;
 277     m_logicalScaleX = 1.0;
 278     m_logicalScaleY = 1.0;
 279     m_userScaleX = 1.0;
 280     m_userScaleY = 1.0;
 281     m_scaleX = 1.0;
 282     m_scaleY = 1.0;
 283     m_needComputeScaleX = false;
 284     m_needComputeScaleY = false;
 285     m_macPort = NULL ;
 286     m_macMask = NULL ;
 287     m_macFontInstalled = false ;
 288     m_macBrushInstalled = false ;
 289     m_macPenInstalled = false ;
 290     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 291     m_macBoundaryClipRgn = NewRgn() ;
 292     m_macCurrentClipRgn = NewRgn() ;
 293     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 294     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
 295     m_pen = *wxBLACK_PEN;
 296     m_font = *wxNORMAL_FONT;
 297     m_brush = *wxWHITE_BRUSH;
 298
 299 #ifdef __WXDEBUG__
 300     // needed to debug possible errors with two active drawing methods at the same time on
 301     // the same DC
 302     m_macCurrentPortStateHelper = NULL ;
 303 #endif
 304
 305     m_macATSUIStyle = NULL ;
 306     m_macAliasWasEnabled = false;
 307     m_macForegroundPixMap = NULL ;
 308     m_macBackgroundPixMap = NULL ;
 309 }
 310
 311 wxDC::~wxDC(void)
 312 {
 313     DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
 314     DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
 315 }
 316
 317 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
 318 {
 319 #ifdef __WXDEBUG__
 320     wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
 321     m_macCurrentPortStateHelper = help ;
 322 #endif
 323
 324     SetClip( (RgnHandle) m_macCurrentClipRgn);
 325
 326 #if ! wxMAC_EXPERIMENTAL_DC
 327     m_macFontInstalled = false ;
 328     m_macBrushInstalled = false ;
 329     m_macPenInstalled = false ;
 330 #endif
 331 }
 332
 333 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
 334 {
 335 #ifdef __WXDEBUG__
 336     wxASSERT( m_macCurrentPortStateHelper == help ) ;
 337     m_macCurrentPortStateHelper = NULL ;
 338 #endif
 339
 340     if ( m_macATSUIStyle )
 341     {
 342         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 343         m_macATSUIStyle = NULL ;
 344     }
 345
 346     if ( m_macAliasWasEnabled )
 347     {
 348         SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
 349         m_macAliasWasEnabled = false ;
 350     }
 351
 352     if ( m_macForegroundPixMap )
 353     {
 354         Pattern blackColor ;
 355         ::PenPat(GetQDGlobalsBlack(&blackColor));
 356         DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
 357         m_macForegroundPixMap = NULL ;
 358     }
 359
 360     if ( m_macBackgroundPixMap )
 361     {
 362         Pattern whiteColor ;
 363         ::BackPat(GetQDGlobalsWhite(&whiteColor));
 364         DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
 365         m_macBackgroundPixMap = NULL ;
 366     }
 367 }
 368
 369 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 370 {
 371      wxCHECK_RET( Ok(), wxT("wxDC::DoDrawBitmap - invalid DC") );
 372      wxCHECK_RET( bmp.Ok(), wxT("wxDC::DoDrawBitmap - invalid bitmap") );
 373
 374      wxMacFastPortSetter helper(this) ;
 375      wxCoord xx = XLOG2DEVMAC(x);
 376      wxCoord yy = YLOG2DEVMAC(y);
 377      wxCoord w = bmp.GetWidth();
 378      wxCoord h = bmp.GetHeight();
 379      wxCoord ww = XLOG2DEVREL(w);
 380      wxCoord hh = YLOG2DEVREL(h);
 381
 382      // Set up drawing mode
 383      short  mode = (m_logicalFunction == wxCOPY ? srcCopy :
 384                     //m_logicalFunction == wxCLEAR ? WHITENESS :
 385                     //m_logicalFunction == wxSET ? BLACKNESS :
 386                     m_logicalFunction == wxINVERT ? hilite :
 387                    //m_logicalFunction == wxAND ? MERGECOPY :
 388                     m_logicalFunction == wxOR ? srcOr :
 389                     m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
 390                     m_logicalFunction == wxXOR ? srcXor :
 391                     m_logicalFunction == wxOR_REVERSE ? notSrcOr :
 392                     //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
 393                     //m_logicalFunction == wxSRC_OR ? srcOr :
 394                     //m_logicalFunction == wxSRC_AND ? SRCAND :
 395                     srcCopy );
 396
 397      GWorldPtr maskworld = NULL ;
 398      GWorldPtr bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP((WXHBITMAP*)&maskworld) );
 399      PixMapHandle bmappixels ;
 400
 401      // Set foreground and background colours (for bitmaps depth = 1)
 402      if (bmp.GetDepth() == 1)
 403      {
 404          RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
 405          RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
 406          RGBForeColor(&fore);
 407          RGBBackColor(&back);
 408      }
 409      else
 410      {
 411          RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF } ;
 412          RGBColor black = { 0, 0, 0 } ;
 413          RGBForeColor( &black ) ;
 414          RGBBackColor( &white ) ;
 415      }
 416      bmappixels = GetGWorldPixMap( bmapworld ) ;
 417
 418      wxCHECK_RET(LockPixels(bmappixels),
 419                  wxT("wxDC::DoDrawBitmap - failed to lock pixels"));
 420
 421      Rect source = { 0, 0, h, w };
 422      Rect dest   = { yy, xx, yy + hh, xx + ww };
 423      if ( useMask && maskworld )
 424      {
 425          if ( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld))))
 426          {
 427              CopyDeepMask
 428                  (
 429                   GetPortBitMapForCopyBits(bmapworld),
 430                   GetPortBitMapForCopyBits(MAC_WXHBITMAP(maskworld)),
 431                   GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 432                   &source, &source, &dest, mode, NULL
 433                   );
 434              UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(maskworld)));
 435          }
 436      }
 437      else
 438      {
 439          CopyBits( GetPortBitMapForCopyBits( bmapworld ),
 440                    GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
 441                    &source, &dest, mode, NULL ) ;
 442      }
 443      UnlockPixels( bmappixels ) ;
 444
 445      m_macPenInstalled = false ;
 446      m_macBrushInstalled = false ;
 447      m_macFontInstalled = false ;
 448 }
 449
 450 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 451 {
 452     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawIcon - invalid DC"));
 453     wxCHECK_RET(icon.Ok(), wxT("wxDC::DoDrawIcon - invalid icon"));
 454
 455     wxMacFastPortSetter helper(this) ;
 456
 457     wxCoord xx = XLOG2DEVMAC(x);
 458     wxCoord yy = YLOG2DEVMAC(y);
 459     wxCoord w = icon.GetWidth();
 460     wxCoord h = icon.GetHeight();
 461     wxCoord ww = XLOG2DEVREL(w);
 462     wxCoord hh = YLOG2DEVREL(h);
 463
 464     Rect r = { yy , xx, yy + hh, xx + ww } ;
 465     PlotIconRef( &r , kAlignNone , kTransformNone , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
 466 }
 467
 468 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 469 {
 470     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion - invalid DC"));
 471
 472     wxCoord xx, yy, ww, hh;
 473     xx = XLOG2DEVMAC(x);
 474     yy = YLOG2DEVMAC(y);
 475     ww = XLOG2DEVREL(width);
 476     hh = YLOG2DEVREL(height);
 477
 478     SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 479     SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 480     if ( m_clipping )
 481     {
 482         m_clipX1 = wxMax( m_clipX1 , xx );
 483         m_clipY1 = wxMax( m_clipY1 , yy );
 484         m_clipX2 = wxMin( m_clipX2, (xx + ww) );
 485         m_clipY2 = wxMin( m_clipY2, (yy + hh) );
 486     }
 487     else
 488     {
 489         m_clipping = true;
 490         m_clipX1 = xx;
 491         m_clipY1 = yy;
 492         m_clipX2 = xx + ww;
 493         m_clipY2 = yy + hh;
 494     }
 495 }
 496
 497 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
 498 {
 499     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegionAsRegion - invalid DC"));
 500
 501     wxMacFastPortSetter helper(this) ;
 502     wxCoord x, y, w, h;
 503     region.GetBox( x, y, w, h );
 504     wxCoord xx, yy, ww, hh;
 505     xx = XLOG2DEVMAC(x);
 506     yy = YLOG2DEVMAC(y);
 507     ww = XLOG2DEVREL(w);
 508     hh = YLOG2DEVREL(h);
 509
 510     // if we have a scaling that we cannot map onto native regions
 511     // we must use the box
 512     if ( ww != w || hh != h )
 513     {
 514         wxDC::DoSetClippingRegion( x, y, w, h );
 515     }
 516     else
 517     {
 518         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 519         if ( xx != x || yy != y )
 520             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 521
 522         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 523         if ( m_clipping )
 524         {
 525             m_clipX1 = wxMax( m_clipX1 , xx );
 526             m_clipY1 = wxMax( m_clipY1 , yy );
 527             m_clipX2 = wxMin( m_clipX2, (xx + ww) );
 528             m_clipY2 = wxMin( m_clipY2, (yy + hh) );
 529         }
 530         else
 531         {
 532             m_clipping = true;
 533             m_clipX1 = xx;
 534             m_clipY1 = yy;
 535             m_clipX2 = xx + ww;
 536             m_clipY2 = yy + hh;
 537         }
 538     }
 539 }
 540
 541 void wxDC::DestroyClippingRegion()
 542 {
 543     wxMacFastPortSetter helper(this) ;
 544
 545     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 546     ResetClipping();
 547 }
 548
 549 void wxDC::DoGetSizeMM( int* width, int* height ) const
 550 {
 551     int w = 0, h = 0;
 552
 553     GetSize( &w, &h );
 554     if (width)
 555         *width = long( double(w) / (m_scaleX * m_mm_to_pix_x) );
 556     if (height)
 557         *height = long( double(h) / (m_scaleY * m_mm_to_pix_y) );
 558 }
 559
 560 void wxDC::SetTextForeground( const wxColour &col )
 561 {
 562     wxCHECK_RET(Ok(), wxT("wxDC::SetTextForeground - invalid DC"));
 563
 564     m_textForegroundColour = col;
 565     m_macFontInstalled = false ;
 566 }
 567
 568 void wxDC::SetTextBackground( const wxColour &col )
 569 {
 570     wxCHECK_RET(Ok(), wxT("wxDC::SetTextBackground - invalid DC"));
 571
 572     m_textBackgroundColour = col;
 573     m_macFontInstalled = false ;
 574 }
 575
 576 void wxDC::SetMapMode( int mode )
 577 {
 578     switch (mode)
 579     {
 580     case wxMM_TWIPS:
 581         SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y );
 582         break;
 583
 584     case wxMM_POINTS:
 585         SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y );
 586         break;
 587
 588     case wxMM_METRIC:
 589         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 590         break;
 591
 592     case wxMM_LOMETRIC:
 593         SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 );
 594         break;
 595
 596     default:
 597     case wxMM_TEXT:
 598         SetLogicalScale( 1.0, 1.0 );
 599         break;
 600     }
 601
 602     if (mode != wxMM_TEXT)
 603     {
 604         m_needComputeScaleX = true;
 605         m_needComputeScaleY = true;
 606     }
 607 }
 608
 609 void wxDC::SetUserScale( double x, double y )
 610 {
 611     // allow negative ? -> no
 612     m_userScaleX = x;
 613     m_userScaleY = y;
 614     ComputeScaleAndOrigin();
 615 }
 616
 617 void wxDC::SetLogicalScale( double x, double y )
 618 {
 619     // allow negative ?
 620     m_logicalScaleX = x;
 621     m_logicalScaleY = y;
 622     ComputeScaleAndOrigin();
 623 }
 624
 625 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 626 {
 627     // is this still correct ?
 628     m_logicalOriginX = x * m_signX;
 629     m_logicalOriginY = y * m_signY;
 630     ComputeScaleAndOrigin();
 631 }
 632
 633 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 634 {
 635     m_externalDeviceOriginX = x;
 636     m_externalDeviceOriginY = y;
 637     ComputeScaleAndOrigin();
 638 }
 639
 640 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 641 {
 642     m_signX = (xLeftRight ?  1 : -1);
 643     m_signY = (yBottomUp  ? -1 :  1);
 644     ComputeScaleAndOrigin();
 645 }
 646
 647 wxSize wxDC::GetPPI() const
 648 {
 649     return wxSize(72, 72);
 650 }
 651
 652 int wxDC::GetDepth() const
 653 {
 654     if ( IsPortColor( (CGrafPtr) m_macPort ) )
 655         return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
 656
 657     return 1 ;
 658 }
 659
 660 void wxDC::ComputeScaleAndOrigin()
 661 {
 662     // CMB: copy scale to see if it changes
 663     double origScaleX = m_scaleX;
 664     double origScaleY = m_scaleY;
 665     m_scaleX = m_logicalScaleX * m_userScaleX;
 666     m_scaleY = m_logicalScaleY * m_userScaleY;
 667     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 668     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 669
 670     // CMB: if scale has changed call SetPen to recalulate the line width
 671     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 672     {
 673         // this is a bit artificial, but we need to force wxDC to think
 674         // the pen has changed
 675         wxPen pen(GetPen());
 676         m_pen = wxNullPen;
 677         SetPen(pen);
 678     }
 679 }
 680
 681 void wxDC::SetPalette( const wxPalette& palette )
 682 {
 683 }
 684
 685 void wxDC::SetBackgroundMode( int mode )
 686 {
 687     m_backgroundMode = mode ;
 688 }
 689
 690 void wxDC::SetFont( const wxFont &font )
 691 {
 692     m_font = font;
 693     m_macFontInstalled = false ;
 694 }
 695
 696 void wxDC::SetPen( const wxPen &pen )
 697 {
 698     if ( m_pen == pen )
 699         return ;
 700
 701     m_pen = pen;
 702     m_macPenInstalled = false ;
 703 }
 704
 705 void wxDC::SetBrush( const wxBrush &brush )
 706 {
 707     if (m_brush == brush)
 708         return;
 709
 710     m_brush = brush;
 711     m_macBrushInstalled = false ;
 712 }
 713
 714 void wxDC::SetBackground( const wxBrush &brush )
 715 {
 716     if (m_backgroundBrush == brush)
 717         return;
 718
 719     m_backgroundBrush = brush;
 720     if (m_backgroundBrush.Ok())
 721         m_macBrushInstalled = false ;
 722 }
 723
 724 void wxDC::SetLogicalFunction( int function )
 725 {
 726     if (m_logicalFunction == function)
 727         return;
 728
 729     m_logicalFunction = function ;
 730     m_macFontInstalled = false ;
 731     m_macBrushInstalled = false ;
 732     m_macPenInstalled = false ;
 733 }
 734
 735 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 736                           const wxColour & col, int style);
 737
 738 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 739                        const wxColour& col, int style)
 740 {
 741     return wxDoFloodFill(this, x, y, col, style);
 742 }
 743
 744 bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 745 {
 746     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel - invalid DC") );
 747
 748     wxMacFastPortSetter helper(this) ;
 749
 750     // NOTE: Get/SetCPixel are slow!
 751     RGBColor colour;
 752     GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
 753
 754     // convert from Mac colour to wx
 755     col->Set( colour.red >> 8, colour.green >> 8, colour.blue >> 8);
 756
 757     return true ;
 758 }
 759
 760 void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 761 {
 762     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawLine - invalid DC"));
 763
 764     wxMacFastPortSetter helper(this) ;
 765
 766     if (m_pen.GetStyle() != wxTRANSPARENT)
 767     {
 768         MacInstallPen() ;
 769         wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 770             m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
 771         wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
 772         wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
 773         wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
 774         wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
 775
 776         if ((m_pen.GetCap() == wxCAP_ROUND) &&
 777             (m_pen.GetWidth() <= 1))
 778         {
 779             // Implement LAST_NOT for MAC at least for
 780             // orthogonal lines. RR.
 781             if (xx1 == xx2)
 782             {
 783                 if (yy1 < yy2)
 784                     yy2--;
 785                 if (yy1 > yy2)
 786                     yy2++;
 787             }
 788
 789             if (yy1 == yy2)
 790             {
 791                 if (xx1 < xx2)
 792                     xx2--;
 793                 if (xx1 > xx2)
 794                     xx2++;
 795             }
 796         }
 797
 798         ::MoveTo(xx1, yy1);
 799         ::LineTo(xx2, yy2);
 800     }
 801 }
 802
 803 void wxDC::DoCrossHair( wxCoord x, wxCoord y )
 804 {
 805     wxCHECK_RET(Ok(), wxT("wxDC::DoCrossHair - invalid DC"));
 806
 807     wxMacFastPortSetter helper(this) ;
 808
 809     if (m_pen.GetStyle() != wxTRANSPARENT)
 810     {
 811         int w = 0, h = 0;
 812
 813         GetSize( &w, &h );
 814         wxCoord xx = XLOG2DEVMAC(x);
 815         wxCoord yy = YLOG2DEVMAC(y);
 816
 817         MacInstallPen();
 818         ::MoveTo( XLOG2DEVMAC(0), yy );
 819         ::LineTo( XLOG2DEVMAC(w), yy );
 820         ::MoveTo( xx, YLOG2DEVMAC(0) );
 821         ::LineTo( xx, YLOG2DEVMAC(h) );
 822         CalcBoundingBox(x, y);
 823         CalcBoundingBox(x + w, y + h);
 824     }
 825 }
 826
 827 /*
 828 * To draw arcs properly the angles need to be converted from the WX style:
 829 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 830 * a normal axis on paper).
 831 * TO
 832 * the Mac style:
 833 * Angles start on the +ve y axis and go clockwise.
 834 */
 835
 836 static double wxConvertWXangleToMACangle(double angle)
 837 {
 838     double newAngle = 90 - angle ;
 839
 840     while ( newAngle > 360 )
 841         newAngle -= 360 ;
 842     while ( newAngle < 0 )
 843         newAngle += 360 ;
 844
 845     return newAngle ;
 846 }
 847
 848 void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
 849                       wxCoord x2, wxCoord y2,
 850                       wxCoord xc, wxCoord yc )
 851 {
 852     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc - invalid DC"));
 853
 854     wxMacFastPortSetter helper(this) ;
 855
 856     wxCoord xx1 = XLOG2DEVMAC(x1);
 857     wxCoord yy1 = YLOG2DEVMAC(y1);
 858     wxCoord xx2 = XLOG2DEVMAC(x2);
 859     wxCoord yy2 = YLOG2DEVMAC(y2);
 860     wxCoord xxc = XLOG2DEVMAC(xc);
 861     wxCoord yyc = YLOG2DEVMAC(yc);
 862
 863     double dx = xx1 - xxc;
 864     double dy = yy1 - yyc;
 865     double radius = sqrt((double)(dx * dx + dy * dy));
 866     wxCoord rad = (wxCoord)radius;
 867     double radius1, radius2;
 868
 869     if (xx1 == xx2 && yy1 == yy2)
 870     {
 871         radius1 = 0.0;
 872         radius2 = 360.0;
 873     }
 874     else if (radius == 0.0)
 875     {
 876         radius1 = radius2 = 0.0;
 877     }
 878     else
 879     {
 880         radius1 = (xx1 - xxc == 0) ?
 881             (yy1 - yyc < 0) ? 90.0 : -90.0 :
 882         -atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG;
 883         radius2 = (xx2 - xxc == 0) ?
 884             (yy2 - yyc < 0) ? 90.0 : -90.0 :
 885         -atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG;
 886     }
 887
 888     wxCoord alpha2 = wxCoord(radius2 - radius1);
 889     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
 890     while ( alpha2 < 0 )
 891         alpha2 += 360 ;
 892     alpha2 = -alpha2 ;
 893     Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
 894
 895     if (m_brush.GetStyle() != wxTRANSPARENT)
 896     {
 897         MacInstallBrush();
 898         PaintArc(&r, alpha1, alpha2);
 899     }
 900
 901     if (m_pen.GetStyle() != wxTRANSPARENT)
 902     {
 903         MacInstallPen();
 904         FrameArc(&r, alpha1, alpha2);
 905     }
 906 }
 907
 908 void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 909                               double sa, double ea )
 910 {
 911     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc - invalid DC"));
 912     wxMacFastPortSetter helper(this) ;
 913     Rect r;
 914
 915     // Order important Mac in opposite direction to wx
 916     // we have to make sure that the filling is always counter-clockwise
 917     double angle = sa - ea;
 918     if ( angle > 0 )
 919         angle -= 360 ;
 920
 921     wxCoord xx = XLOG2DEVMAC(x);
 922     wxCoord yy = YLOG2DEVMAC(y);
 923     wxCoord ww = m_signX * XLOG2DEVREL(w);
 924     wxCoord hh = m_signY * YLOG2DEVREL(h);
 925
 926     // handle -ve width and/or height
 927     if (ww < 0)
 928     {
 929         ww = -ww;
 930         xx = xx - ww;
 931     }
 932
 933     if (hh < 0)
 934     {
 935         hh = -hh;
 936         yy = yy - hh;
 937     }
 938
 939     sa = wxConvertWXangleToMACangle(sa);
 940     r.top    = yy;
 941     r.left   = xx;
 942     r.bottom = yy + hh;
 943     r.right  = xx + ww;
 944
 945     if (m_brush.GetStyle() != wxTRANSPARENT)
 946     {
 947         MacInstallBrush();
 948         PaintArc(&r, (short)sa, (short)angle);
 949     }
 950
 951     if (m_pen.GetStyle() != wxTRANSPARENT)
 952     {
 953         MacInstallPen();
 954         FrameArc(&r, (short)sa, (short)angle);
 955     }
 956 }
 957
 958 void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
 959 {
 960     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawPoint - invalid DC"));
 961
 962     wxMacFastPortSetter helper(this) ;
 963
 964     if (m_pen.GetStyle() != wxTRANSPARENT)
 965     {
 966         wxCoord xx1 = XLOG2DEVMAC(x);
 967         wxCoord yy1 = YLOG2DEVMAC(y);
 968         RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
 969
 970         // NOTE: Get/SetCPixel are slow!
 971         ::SetCPixel( xx1, yy1, &pencolor) ;
 972         CalcBoundingBox(x, y);
 973     }
 974 }
 975
 976 void wxDC::DoDrawLines(int n, wxPoint points[],
 977                         wxCoord xoffset, wxCoord yoffset)
 978 {
 979     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawLines - invalid DC"));
 980
 981     if (m_pen.GetStyle() == wxTRANSPARENT)
 982         return;
 983
 984     wxMacFastPortSetter helper(this) ;
 985
 986     MacInstallPen() ;
 987     wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
 988     m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
 989
 990     wxCoord x1, x2 , y1 , y2 ;
 991     x1 = XLOG2DEVMAC(points[0].x + xoffset);
 992     y1 = YLOG2DEVMAC(points[0].y + yoffset);
 993
 994     ::MoveTo( x1 - offset, y1 - offset );
 995     for (int i = 0; i < n-1; i++)
 996     {
 997         x2 = XLOG2DEVMAC(points[i + 1].x + xoffset);
 998         y2 = YLOG2DEVMAC(points[i + 1].y + yoffset);
 999         ::LineTo( x2 - offset, y2 - offset );
1000     }
1001 }
1002
1003 void wxDC::DoDrawPolygon(int n, wxPoint points[],
1004                           wxCoord xoffset, wxCoord yoffset,
1005                           int fillStyle )
1006 {
1007     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawPolygon - invalid DC"));
1008
1009     if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
1010         return ;
1011
1012     wxMacFastPortSetter helper(this) ;
1013
1014     wxCoord x1, x2 , y1 , y2 ;
1015     PolyHandle polygon = OpenPoly();
1016     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
1017     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
1018
1019     ::MoveTo(x1, y1);
1020     for (int i = 1; i < n; i++)
1021     {
1022         x2 = XLOG2DEVMAC(points[i].x + xoffset);
1023         y2 = YLOG2DEVMAC(points[i].y + yoffset);
1024         ::LineTo(x2, y2);
1025     }
1026
1027     // close the polyline if necessary
1028     if ( x1 != x2 || y1 != y2 )
1029         ::LineTo( x1, y1 ) ;
1030     ClosePoly();
1031
1032     if (m_brush.GetStyle() != wxTRANSPARENT)
1033     {
1034         MacInstallBrush();
1035         ::PaintPoly( polygon );
1036     }
1037
1038     if (m_pen.GetStyle() != wxTRANSPARENT)
1039     {
1040         MacInstallPen() ;
1041         ::FramePoly( polygon ) ;
1042     }
1043
1044     KillPoly( polygon );
1045 }
1046
1047 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1048 {
1049     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawRectangle - invalid DC"));
1050
1051     wxMacFastPortSetter helper(this) ;
1052
1053     wxCoord xx = XLOG2DEVMAC(x);
1054     wxCoord yy = YLOG2DEVMAC(y);
1055     wxCoord ww = m_signX * XLOG2DEVREL(width);
1056     wxCoord hh = m_signY * YLOG2DEVREL(height);
1057
1058     // CMB: draw nothing if transformed w or h is 0
1059     if (ww == 0 || hh == 0)
1060         return;
1061
1062     // CMB: handle -ve width and/or height
1063     if (ww < 0)
1064     {
1065         ww = -ww;
1066         xx = xx - ww;
1067     }
1068
1069     if (hh < 0)
1070     {
1071         hh = -hh;
1072         yy = yy - hh;
1073     }
1074
1075     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1076
1077     if (m_brush.GetStyle() != wxTRANSPARENT)
1078     {
1079         MacInstallBrush() ;
1080         ::PaintRect( &rect ) ;
1081     }
1082
1083     if (m_pen.GetStyle() != wxTRANSPARENT)
1084     {
1085         MacInstallPen() ;
1086         ::FrameRect( &rect ) ;
1087     }
1088 }
1089
1090 void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1091                                    wxCoord width, wxCoord height,
1092                                    double radius)
1093 {
1094     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawRoundedRectangle - invalid DC"));
1095
1096     wxMacFastPortSetter helper(this) ;
1097     if (radius < 0.0)
1098         radius = - radius * ((width < height) ? width : height);
1099     wxCoord xx = XLOG2DEVMAC(x);
1100     wxCoord yy = YLOG2DEVMAC(y);
1101     wxCoord ww = m_signX * XLOG2DEVREL(width);
1102     wxCoord hh = m_signY * YLOG2DEVREL(height);
1103
1104     // CMB: draw nothing if transformed w or h is 0
1105     if (ww == 0 || hh == 0)
1106         return;
1107
1108     // CMB: handle -ve width and/or height
1109     if (ww < 0)
1110     {
1111         ww = -ww;
1112         xx = xx - ww;
1113     }
1114
1115     if (hh < 0)
1116     {
1117         hh = -hh;
1118         yy = yy - hh;
1119     }
1120
1121     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1122
1123     if (m_brush.GetStyle() != wxTRANSPARENT)
1124     {
1125         MacInstallBrush() ;
1126         ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1127     }
1128
1129     if (m_pen.GetStyle() != wxTRANSPARENT)
1130     {
1131         MacInstallPen() ;
1132         ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1133     }
1134 }
1135
1136 void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1137 {
1138     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllipse - invalid DC"));
1139
1140     wxMacFastPortSetter helper(this) ;
1141
1142     wxCoord xx = XLOG2DEVMAC(x);
1143     wxCoord yy = YLOG2DEVMAC(y);
1144     wxCoord ww = m_signX * XLOG2DEVREL(width);
1145     wxCoord hh = m_signY * YLOG2DEVREL(height);
1146
1147     // CMB: draw nothing if transformed w or h is 0
1148     if (ww == 0 || hh == 0)
1149         return;
1150
1151     // CMB: handle -ve width and/or height
1152     if (ww < 0)
1153     {
1154         ww = -ww;
1155         xx = xx - ww;
1156     }
1157
1158     if (hh < 0)
1159     {
1160         hh = -hh;
1161         yy = yy - hh;
1162     }
1163
1164     Rect rect = { yy , xx , yy + hh , xx + ww } ;
1165
1166     if (m_brush.GetStyle() != wxTRANSPARENT)
1167     {
1168         MacInstallBrush() ;
1169         ::PaintOval( &rect ) ;
1170     }
1171
1172     if (m_pen.GetStyle() != wxTRANSPARENT)
1173     {
1174         MacInstallPen() ;
1175         ::FrameOval( &rect ) ;
1176     }
1177 }
1178
1179 bool wxDC::CanDrawBitmap(void) const
1180 {
1181     return true ;
1182 }
1183
1184 bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1185                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1186                    wxCoord xsrcMask, wxCoord ysrcMask )
1187 {
1188     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit - invalid DC"));
1189     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit - invalid source DC"));
1190
1191     if ( logical_func == wxNO_OP )
1192         return true ;
1193
1194     if (xsrcMask == -1 && ysrcMask == -1)
1195     {
1196         xsrcMask = xsrc;
1197         ysrcMask = ysrc;
1198     }
1199
1200     // correct the parameter in case this dc does not have a mask at all
1201     if ( useMask && !source->m_macMask )
1202         useMask = false ;
1203
1204     Rect srcrect , dstrect ;
1205     srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1206     srcrect.left = source->XLOG2DEVMAC(xsrc)  ;
1207     srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1208     srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1209     dstrect.top = YLOG2DEVMAC(ydest) ;
1210     dstrect.left = XLOG2DEVMAC(xdest) ;
1211     dstrect.bottom = YLOG2DEVMAC(ydest + height )  ;
1212     dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1213     short mode = kUnsupportedMode ;
1214     bool invertDestinationFirst = false ;
1215
1216     switch ( logical_func )
1217     {
1218     case wxAND:        // src AND dst
1219         mode = adMin ; // ok
1220         break ;
1221
1222     case wxAND_INVERT: // (NOT src) AND dst
1223         mode = notSrcOr  ; // ok
1224         break ;
1225
1226     case wxAND_REVERSE:// src AND (NOT dst)
1227         invertDestinationFirst = true ;
1228         mode = srcOr ;
1229         break ;
1230
1231     case wxCLEAR:      // 0
1232         mode = kEmulatedMode ;
1233         break ;
1234
1235     case wxCOPY:       // src
1236         mode = srcCopy ; // ok
1237         break ;
1238
1239     case wxEQUIV:      // (NOT src) XOR dst
1240         mode = srcXor ; // ok
1241         break ;
1242
1243     case wxINVERT:     // NOT dst
1244         mode = kEmulatedMode ; //or hilite ;
1245         break ;
1246
1247     case wxNAND:       // (NOT src) OR (NOT dst)
1248         invertDestinationFirst = true ;
1249         mode = srcBic ;
1250         break ;
1251
1252     case wxNOR:        // (NOT src) AND (NOT dst)
1253         invertDestinationFirst = true ;
1254         mode = notSrcOr ;
1255         break ;
1256
1257     case wxNO_OP:      // dst
1258         mode = kEmulatedMode ; // this has already been handled upon entry
1259         break ;
1260
1261     case wxOR:         // src OR dst
1262         mode = notSrcBic ;
1263         break ;
1264
1265     case wxOR_INVERT:  // (NOT src) OR dst
1266         mode = srcBic ;
1267         break ;
1268
1269     case wxOR_REVERSE: // src OR (NOT dst)
1270         invertDestinationFirst = true ;
1271         mode = notSrcBic ;
1272         break ;
1273
1274     case wxSET:        // 1
1275         mode = kEmulatedMode ;
1276         break ;
1277
1278     case wxSRC_INVERT: // (NOT src)
1279         mode = notSrcCopy ; // ok
1280         break ;
1281
1282     case wxXOR:        // src XOR dst
1283         mode = notSrcXor ; // ok
1284         break ;
1285
1286     default :
1287         break ;
1288     }
1289
1290     if ( mode == kUnsupportedMode )
1291     {
1292         wxFAIL_MSG(wxT("unsupported blitting mode" ));
1293
1294         return false ;
1295     }
1296
1297     CGrafPtr            sourcePort = (CGrafPtr) source->m_macPort ;
1298     PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ;
1299     if ( LockPixels(bmappixels) )
1300     {
1301         wxMacFastPortSetter helper(this) ;
1302
1303         if ( source->GetDepth() == 1 )
1304         {
1305             RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1306             RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1307         }
1308         else
1309         {
1310             // the modes need this, otherwise we'll end up having really nice colors...
1311             RGBColor white = { 0xFFFF, 0xFFFF, 0xFFFF } ;
1312             RGBColor black = { 0, 0, 0 } ;
1313
1314             RGBForeColor( &black ) ;
1315             RGBBackColor( &white ) ;
1316         }
1317
1318         if ( useMask && source->m_macMask )
1319         {
1320             if ( mode == srcCopy )
1321             {
1322                 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1323                 {
1324                     CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1325                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1326                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1327                         &srcrect, &srcrect , &dstrect ) ;
1328                     UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) )  ) ;
1329                 }
1330             }
1331             else
1332             {
1333                 RgnHandle clipRgn = NewRgn() ;
1334                 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1335                 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1336                 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1337                 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top +  dstrect.top ) ;
1338
1339                 if ( mode == kEmulatedMode )
1340                 {
1341                     Pattern pat ;
1342
1343                     ::PenPat(GetQDGlobalsBlack(&pat));
1344                     if ( logical_func == wxSET )
1345                     {
1346                         RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1347                         ::RGBForeColor( &col  ) ;
1348                         ::PaintRgn( clipRgn ) ;
1349                     }
1350                     else if ( logical_func == wxCLEAR )
1351                     {
1352                         RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1353                         ::RGBForeColor( &col  ) ;
1354                         ::PaintRgn( clipRgn ) ;
1355                     }
1356                     else if ( logical_func == wxINVERT )
1357                     {
1358                         MacInvertRgn( clipRgn ) ;
1359                     }
1360                     else
1361                     {
1362                         for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1363                         {
1364                             for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1365                             {
1366                                 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1367                                 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1368                                 if ( PtInRgn( dstPoint , clipRgn ) )
1369                                 {
1370                                     RGBColor srcColor, dstColor ;
1371
1372                                     // NOTE: Get/SetCPixel are slow!
1373                                     SetPort( (GrafPtr) sourcePort ) ;
1374                                     GetCPixel( srcPoint.h , srcPoint.v , &srcColor ) ;
1375                                     SetPort( (GrafPtr) m_macPort ) ;
1376                                     GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1377                                     wxMacCalculateColour( logical_func , srcColor , dstColor ) ;
1378                                     SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1379                                 }
1380                             }
1381                         }
1382                     }
1383                 }
1384                 else
1385                 {
1386                     if ( invertDestinationFirst )
1387                         MacInvertRgn( clipRgn ) ;
1388
1389                     CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1390                         GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1391                         &srcrect, &dstrect, mode, clipRgn ) ;
1392                 }
1393
1394                 DisposeRgn( clipRgn ) ;
1395             }
1396         }
1397         else
1398         {
1399             RgnHandle clipRgn = NewRgn() ;
1400             SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1401
1402             if ( mode == kEmulatedMode )
1403             {
1404                 Pattern pat ;
1405
1406                 ::PenPat(GetQDGlobalsBlack(&pat));
1407                 if ( logical_func == wxSET )
1408                 {
1409                     RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1410                     ::RGBForeColor( &col  ) ;
1411                     ::PaintRgn( clipRgn ) ;
1412                 }
1413                 else if ( logical_func == wxCLEAR )
1414                 {
1415                     RGBColor col = { 0x0000, 0x0000, 0x0000 } ;
1416
1417                     ::RGBForeColor( &col  ) ;
1418                     ::PaintRgn( clipRgn ) ;
1419                 }
1420                 else if ( logical_func == wxINVERT )
1421                 {
1422                     MacInvertRgn( clipRgn ) ;
1423                 }
1424                 else
1425                 {
1426                     for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1427                     {
1428                         for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1429                         {
1430                             Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1431                             Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1432                             {
1433                                 RGBColor srcColor, dstColor ;
1434
1435                                 // NOTE: Get/SetCPixel are slow!
1436                                 SetPort( (GrafPtr) sourcePort ) ;
1437                                 GetCPixel( srcPoint.h , srcPoint.v , &srcColor) ;
1438                                 SetPort( (GrafPtr) m_macPort ) ;
1439                                 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1440                                 wxMacCalculateColour( logical_func , srcColor , dstColor ) ;
1441                                 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1442                             }
1443                         }
1444                     }
1445                 }
1446             }
1447             else
1448             {
1449                 if ( invertDestinationFirst )
1450                     MacInvertRgn( clipRgn ) ;
1451
1452                 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1453                     GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1454                     &srcrect, &dstrect, mode, NULL ) ;
1455             }
1456
1457             DisposeRgn( clipRgn ) ;
1458         }
1459
1460         UnlockPixels( bmappixels ) ;
1461     }
1462
1463     m_macPenInstalled = false ;
1464     m_macBrushInstalled = false ;
1465     m_macFontInstalled = false ;
1466
1467     return true;
1468 }
1469
1470 void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1471                               double angle)
1472 {
1473     // TODO: support text background color (only possible by hand, ATSUI does not support it)
1474     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText - invalid DC") );
1475
1476     if ( str.Length() == 0 )
1477         return ;
1478
1479     wxMacFastPortSetter helper(this) ;
1480     MacInstallFont() ;
1481
1482 #if 0
1483     if ( 0 )
1484     {
1485         m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1486         SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.MacGetFontSize()));
1487         m_macAliasWasEnabled = true ;
1488     }
1489 #endif
1490
1491     OSStatus status = noErr ;
1492     ATSUTextLayout atsuLayout ;
1493     UniCharCount chars = str.Length() ;
1494     UniChar* ubuf = NULL ;
1495
1496 #if SIZEOF_WCHAR_T == 4
1497     wxMBConvUTF16 converter ;
1498 #if wxUSE_UNICODE
1499     size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1500     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1501     converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1502 #else
1503     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1504     size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1505     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1506     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1507 #endif
1508     chars = unicharlen / 2 ;
1509 #else
1510 #if wxUSE_UNICODE
1511     ubuf = (UniChar*) str.wc_str() ;
1512 #else
1513     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1514     chars = wxWcslen( wchar.data() ) ;
1515     ubuf = (UniChar*) wchar.data() ;
1516 #endif
1517 #endif
1518
1519     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1520         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1521
1522     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1523
1524     status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
1525     wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1526
1527     int iAngle = int( angle );
1528     int drawX = XLOG2DEVMAC(x) ;
1529     int drawY = YLOG2DEVMAC(y) ;
1530
1531     ATSUTextMeasurement textBefore, textAfter ;
1532     ATSUTextMeasurement ascent, descent ;
1533
1534     if ( abs(iAngle) > 0 )
1535     {
1536         Fixed atsuAngle = IntToFixed( iAngle ) ;
1537
1538         ATSUAttributeTag atsuTags[] =
1539         {
1540             kATSULineRotationTag ,
1541         } ;
1542         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1543         {
1544             sizeof( Fixed ) ,
1545         } ;
1546         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1547         {
1548             &atsuAngle ,
1549         } ;
1550
1551         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1552             atsuTags, atsuSizes, atsuValues ) ;
1553     }
1554
1555     status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1556         &textBefore , &textAfter, &ascent , &descent );
1557
1558     drawX += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
1559     drawY += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
1560     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1561         IntToFixed(drawX) , IntToFixed(drawY) );
1562
1563     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1564
1565     Rect rect ;
1566     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1567         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1568     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1569
1570     OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1571     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1572     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1573     ::ATSUDisposeTextLayout(atsuLayout);
1574
1575 #if SIZEOF_WCHAR_T == 4
1576     free( ubuf ) ;
1577 #endif
1578 }
1579
1580 void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1581 {
1582     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText - invalid DC"));
1583
1584     wxMacFastPortSetter helper(this) ;
1585     long xx = XLOG2DEVMAC(x);
1586     long yy = YLOG2DEVMAC(y);
1587
1588 #if TARGET_CARBON
1589     bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1590     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1591         useDrawThemeText = false ;
1592 #endif
1593
1594     MacInstallFont() ;
1595
1596     FontInfo fi ;
1597     ::GetFontInfo( &fi ) ;
1598
1599 #if TARGET_CARBON
1600     if ( !useDrawThemeText )
1601         yy += fi.ascent ;
1602 #else
1603     yy += fi.ascent ;
1604 #endif
1605
1606     ::TextMode( (m_backgroundMode == wxTRANSPARENT) ? srcOr : srcCopy ) ;
1607     ::MoveTo( xx , yy );
1608
1609     int line = 0 ;
1610     {
1611         wxString linetext = strtext ;
1612
1613 #if TARGET_CARBON
1614         if ( useDrawThemeText )
1615         {
1616             Rect frame = {
1617                 yy + line*(fi.descent + fi.ascent + fi.leading), xx ,
1618                 yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1619             wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1620
1621             if ( m_backgroundMode != wxTRANSPARENT )
1622             {
1623                 Point bounds = {0, 0} ;
1624                 Rect background = frame ;
1625                 SInt16 baseline ;
1626                 ::GetThemeTextDimensions( mString,
1627                     m_font.MacGetThemeFontID() ,
1628                     kThemeStateActive,
1629                     false,
1630                     &bounds,
1631                     &baseline );
1632                 background.right = background.left + bounds.h ;
1633                 background.bottom = background.top + bounds.v ;
1634                 ::EraseRect( &background ) ;
1635             }
1636
1637             ::DrawThemeTextBox( mString,
1638                 m_font.MacGetThemeFontID() ,
1639                 kThemeStateActive,
1640                 false,
1641                 &frame,
1642                 teJustLeft,
1643                 NULL );
1644         }
1645         else
1646 #endif
1647         {
1648             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1649             ::DrawText( text , 0 , strlen(text) ) ;
1650          }
1651     }
1652
1653     ::TextMode( srcOr ) ;
1654 }
1655
1656 bool wxDC::CanGetTextExtent() const
1657 {
1658     wxCHECK_MSG(Ok(), false, wxT("wxDC::CanGetTextExtent - invalid DC"));
1659
1660     return true ;
1661 }
1662
1663 void wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1664                             wxCoord *descent, wxCoord *externalLeading ,
1665                             wxFont *theFont ) const
1666 {
1667     wxCHECK_RET(Ok(), wxT("wxDC::DoGetTextExtent - invalid DC"));
1668
1669     wxMacFastPortSetter helper(this) ;
1670     wxFont formerFont = m_font ;
1671     if ( theFont )
1672     {
1673         // work around the constness
1674         *((wxFont*)(&m_font)) = *theFont ;
1675     }
1676
1677     MacInstallFont() ;
1678     FontInfo fi ;
1679     ::GetFontInfo( &fi ) ;
1680
1681 #if TARGET_CARBON
1682     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1683     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1684         useGetThemeText = false ;
1685 #endif
1686
1687     if ( height )
1688         *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1689     if ( descent )
1690         *descent =YDEV2LOGREL( fi.descent );
1691     if ( externalLeading )
1692         *externalLeading = YDEV2LOGREL( fi.leading ) ;
1693
1694     int curwidth = 0 ;
1695     if ( width )
1696     {
1697         *width = 0 ;
1698         wxString linetext = strtext ;
1699
1700         if ( useGetThemeText )
1701         {
1702             Point bounds = {0, 0} ;
1703             SInt16 baseline ;
1704             wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1705             ThemeFontID themeFont = m_font.MacGetThemeFontID() ;
1706             ::GetThemeTextDimensions( mString,
1707                 themeFont ,
1708                 kThemeStateActive,
1709                 false,
1710                 &bounds,
1711                 &baseline );
1712             curwidth = bounds.h ;
1713         }
1714         else
1715         {
1716             wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1717             curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1718         }
1719
1720         if ( curwidth > *width )
1721             *width = XDEV2LOGREL( curwidth ) ;
1722     }
1723
1724     if ( theFont )
1725     {
1726         // work around the constness
1727         *((wxFont*)(&m_font)) = formerFont ;
1728         m_macFontInstalled = false ;
1729     }
1730 }
1731
1732 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1733 {
1734     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoGetPartialTextExtents - invalid DC"));
1735
1736     widths.Empty();
1737     widths.Add(0, text.Length());
1738
1739     if (text.Length() == 0)
1740         return false;
1741
1742     wxMacFastPortSetter helper(this) ;
1743     MacInstallFont() ;
1744
1745 #if TARGET_CARBON
1746     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1747     if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1748         useGetThemeText = false ;
1749
1750     if ( useGetThemeText )
1751     {
1752         // If anybody knows how to do this more efficiently yet still handle
1753         // the fractional glyph widths that may be present when using AA
1754         // fonts, please change it.  Currently it is measuring from the
1755         // beginning of the string for each succeeding substring, which is much
1756         // slower than this should be.
1757         for (size_t i=0; i<text.Length(); i++)
1758         {
1759             wxString str(text.Left(i + 1));
1760             Point bounds = {0, 0};
1761             SInt16 baseline ;
1762             wxMacCFStringHolder mString(str, m_font.GetEncoding());
1763
1764             ::GetThemeTextDimensions( mString,
1765                                       m_font.MacGetThemeFontID(),
1766                                       kThemeStateActive,
1767                                       false,
1768                                       &bounds,
1769                                       &baseline );
1770             widths[i] = XDEV2LOGREL(bounds.h);
1771         }
1772     }
1773     else
1774 #endif
1775     {
1776         wxCharBuffer buff = text.mb_str(wxConvLocal);
1777         size_t len = strlen(buff);
1778         short* measurements = new short[len+1];
1779         MeasureText(len, buff.data(), measurements);
1780
1781         // Copy to widths, starting at measurements[1]
1782         // NOTE: this doesn't take into account any multi-byte characters
1783         // in buff, it probably should...
1784         for (size_t i=0; i<text.Length(); i++)
1785             widths[i] = XDEV2LOGREL(measurements[i + 1]);
1786
1787         delete [] measurements;
1788     }
1789
1790     return true;
1791 }
1792
1793 wxCoord wxDC::GetCharWidth(void) const
1794 {
1795     wxCHECK_MSG(Ok(), 1, wxT("wxDC::GetCharWidth - invalid DC"));
1796
1797     wxMacFastPortSetter helper(this) ;
1798     int width = 0 ;
1799     const char text[] = "g" ;
1800
1801     MacInstallFont() ;
1802
1803 #if TARGET_CARBON
1804     bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1805     if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1806         useGetThemeText = false ;
1807
1808     if ( useGetThemeText )
1809     {
1810         Point bounds = {0, 0} ;
1811         SInt16 baseline ;
1812         CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1813         ::GetThemeTextDimensions( mString,
1814             m_font.MacGetThemeFontID(),
1815             kThemeStateActive,
1816             false,
1817             &bounds,
1818             &baseline );
1819         CFRelease( mString ) ;
1820         width = bounds.h ;
1821     }
1822     else
1823 #endif
1824     {
1825         width = ::TextWidth( text , 0 , 1 ) ;
1826     }
1827
1828     return YDEV2LOGREL(width) ;
1829 }
1830
1831 wxCoord wxDC::GetCharHeight(void) const
1832 {
1833     wxCHECK_MSG(Ok(), 1, wxT("wxDC::GetCharHeight - invalid DC"));
1834
1835     wxMacFastPortSetter helper(this) ;
1836     MacInstallFont() ;
1837     FontInfo fi ;
1838     ::GetFontInfo( &fi ) ;
1839
1840     return YDEV2LOGREL( fi.descent + fi.ascent );
1841 }
1842
1843 void wxDC::Clear(void)
1844 {
1845     wxCHECK_RET(Ok(), wxT("wxDC::Clear - invalid DC"));
1846
1847     wxMacFastPortSetter helper(this) ;
1848     Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1849
1850     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1851     {
1852         ::PenNormal() ;
1853         MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1854         ::EraseRect( &rect ) ;
1855     }
1856 }
1857
1858 void wxDC::MacInstallFont() const
1859 {
1860     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1861
1862     //    if ( m_macFontInstalled )
1863     //        return ;
1864
1865     Pattern blackColor ;
1866     MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1867     if ( m_backgroundMode != wxTRANSPARENT )
1868     {
1869         Pattern whiteColor ;
1870         ::BackPat(GetQDGlobalsWhite(&whiteColor));
1871     }
1872
1873     wxASSERT( m_font.Ok() ) ;
1874
1875     ::TextFont( m_font.MacGetFontNum() ) ;
1876     ::TextSize( (short)(m_scaleY * m_font.MacGetFontSize()) ) ;
1877     ::TextFace( m_font.MacGetFontStyle() ) ;
1878     m_macFontInstalled = true ;
1879     m_macBrushInstalled = false ;
1880     m_macPenInstalled = false ;
1881     RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1882     RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1883     ::RGBForeColor( &forecolor );
1884     ::RGBBackColor( &backcolor );
1885
1886     // TODO:
1887     short mode = patCopy ;
1888     switch ( m_logicalFunction )
1889     {
1890     case wxCOPY:       // src
1891         mode = patCopy ;
1892         break ;
1893
1894     case wxINVERT:     // NOT dst
1895         ::PenPat(GetQDGlobalsBlack(&blackColor));
1896         mode = patXor ;
1897         break ;
1898
1899     case wxXOR:        // src XOR dst
1900         mode = patXor ;
1901         break ;
1902
1903     case wxOR_REVERSE: // src OR (NOT dst)
1904         mode = notPatOr ;
1905         break ;
1906
1907     case wxSRC_INVERT: // (NOT src)
1908         mode = notPatCopy ;
1909         break ;
1910
1911     case wxAND: // src AND dst
1912         mode = adMin ;
1913         break ;
1914
1915     // TODO: unsupported
1916     case wxCLEAR:      // 0
1917     case wxAND_REVERSE:// src AND (NOT dst)
1918     case wxAND_INVERT: // (NOT src) AND dst
1919     case wxNO_OP:      // dst
1920     case wxNOR:        // (NOT src) AND (NOT dst)
1921     case wxEQUIV:      // (NOT src) XOR dst
1922     case wxOR_INVERT:  // (NOT src) OR dst
1923     case wxNAND:       // (NOT src) OR (NOT dst)
1924     case wxOR:         // src OR dst
1925     case wxSET:        // 1
1926         //        case wxSRC_OR:     // source _bitmap_ OR destination
1927         //        case wxSRC_AND:     // source _bitmap_ AND destination
1928         break ;
1929
1930     default:
1931         break ;
1932     }
1933
1934     ::PenMode( mode ) ;
1935     OSStatus status = noErr ;
1936     status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1937     wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1938
1939     Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1940     ATSUAttributeTag atsuTags[] =
1941     {
1942             kATSUSizeTag ,
1943     } ;
1944     ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1945     {
1946             sizeof( Fixed ) ,
1947     } ;
1948     ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1949     {
1950             &atsuSize ,
1951     } ;
1952
1953     status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1954         atsuTags, atsuSizes, atsuValues);
1955
1956     wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ) ;
1957 }
1958
1959 Pattern gPatterns[] =
1960 {
1961     // hatch patterns
1962     { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1963     { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1964     { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1965     { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1966     { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1967     { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1968     { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1969
1970     // dash patterns
1971     { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1972     { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1973     { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1974     { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1975 } ;
1976
1977 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1978 {
1979     int index = 0;  // solid pattern by default
1980     switch (penStyle)
1981     {
1982         // hatches
1983         case wxBDIAGONAL_HATCH:     index = 1; break;
1984         case wxFDIAGONAL_HATCH:     index = 2; break;
1985         case wxCROSS_HATCH:         index = 3; break;
1986         case wxHORIZONTAL_HATCH:    index = 4; break;
1987         case wxVERTICAL_HATCH:      index = 5; break;
1988         case wxCROSSDIAG_HATCH:     index = 6; break;
1989
1990         // dashes
1991         case wxDOT:                 index = 7; break;
1992         case wxLONG_DASH:           index = 8; break;
1993         case wxSHORT_DASH:          index = 9; break;
1994         case wxDOT_DASH:            index = 10; break;
1995
1996         default:
1997             break;
1998     }
1999
2000     *pattern = gPatterns[index];
2001 }
2002
2003 void wxDC::MacInstallPen() const
2004 {
2005     wxCHECK_RET(Ok(), wxT("wxDC::MacInstallPen - invalid DC"));
2006
2007     //Pattern     blackColor;
2008     //    if ( m_macPenInstalled )
2009     //        return ;
2010
2011     RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
2012     RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
2013     ::RGBForeColor( &forecolor );
2014     ::RGBBackColor( &backcolor );
2015     ::PenNormal() ;
2016
2017     // null means only one pixel, at whatever resolution
2018     int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ;
2019     if ( penWidth == 0 )
2020         penWidth = 1 ;
2021     ::PenSize(penWidth, penWidth);
2022
2023     Pattern pat;
2024     int penStyle = m_pen.GetStyle();
2025     if (penStyle == wxUSER_DASH)
2026     {
2027         // FIXME: there should be exactly 8 items in the dash
2028         wxDash* dash ;
2029         int number = m_pen.GetDashes(&dash) ;
2030         int index = 0;
2031         for ( int i = 0 ; i < 8 ; ++i )
2032         {
2033             pat.pat[i] = dash[index] ;
2034             if (index < number - 1)
2035                 index++;
2036         }
2037     }
2038     else
2039     {
2040         wxMacGetPattern(penStyle, &pat);
2041     }
2042     ::PenPat(&pat);
2043
2044     // TODO:
2045     short mode = patCopy ;
2046     switch ( m_logicalFunction )
2047     {
2048     case wxCOPY:       // only foreground color, leave background (thus not patCopy)
2049         mode = patOr ;
2050         break ;
2051
2052     case wxINVERT:     // NOT dst
2053         //            ::PenPat(GetQDGlobalsBlack(&blackColor));
2054         mode = patXor ;
2055         break ;
2056
2057     case wxXOR:        // src XOR dst
2058         mode = patXor ;
2059         break ;
2060
2061     case wxOR_REVERSE: // src OR (NOT dst)
2062         mode = notPatOr ;
2063         break ;
2064
2065     case wxSRC_INVERT: // (NOT src)
2066         mode = notPatCopy ;
2067         break ;
2068
2069     case wxAND: // src AND dst
2070         mode = adMin ;
2071         break ;
2072
2073     // TODO: unsupported
2074     case wxCLEAR:      // 0
2075     case wxAND_REVERSE:// src AND (NOT dst)
2076     case wxAND_INVERT: // (NOT src) AND dst
2077     case wxNO_OP:      // dst
2078     case wxNOR:        // (NOT src) AND (NOT dst)
2079     case wxEQUIV:      // (NOT src) XOR dst
2080     case wxOR_INVERT:  // (NOT src) OR dst
2081     case wxNAND:       // (NOT src) OR (NOT dst)
2082     case wxOR:         // src OR dst
2083     case wxSET:        // 1
2084         //        case wxSRC_OR:     // source _bitmap_ OR destination
2085         //        case wxSRC_AND:     // source _bitmap_ AND destination
2086         break ;
2087
2088     default:
2089         break ;
2090     }
2091
2092     ::PenMode( mode ) ;
2093     m_macPenInstalled = true ;
2094     m_macBrushInstalled = false ;
2095     m_macFontInstalled = false ;
2096 }
2097
2098 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
2099 {
2100     Pattern whiteColor ;
2101
2102     if ( background.Ok() )
2103     {
2104         switch ( background.MacGetBrushKind() )
2105         {
2106             case kwxMacBrushTheme :
2107                 ::SetThemeBackground( background.MacGetTheme() , wxDisplayDepth() , true ) ;
2108                 break ;
2109
2110             case kwxMacBrushThemeBackground :
2111             {
2112                 Rect extent ;
2113                 ThemeBackgroundKind bg = background.MacGetThemeBackground( &extent ) ;
2114                 ::ApplyThemeBackground( bg , &extent, kThemeStateActive , wxDisplayDepth() , true ) ;
2115             }
2116                 break ;
2117
2118             case kwxMacBrushColour :
2119             {
2120                 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2121                 int brushStyle = background.GetStyle();
2122                 if (brushStyle == wxSOLID)
2123                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
2124                 else if (background.IsHatch())
2125                 {
2126                     Pattern pat ;
2127                     wxMacGetPattern(brushStyle, &pat);
2128                     ::BackPat(&pat);
2129                 }
2130                 else
2131                 {
2132                     ::BackPat(GetQDGlobalsWhite(&whiteColor));
2133                 }
2134             }
2135                 break ;
2136
2137             default:
2138                 break ;
2139         }
2140     }
2141 }
2142
2143 void wxDC::MacInstallBrush() const
2144 {
2145     wxCHECK_RET(Ok(), wxT("Invalid DC"));
2146
2147     //    if ( m_macBrushInstalled )
2148     //        return ;
2149
2150     Pattern     blackColor ;
2151     bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2152     ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2153     ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2154
2155     int brushStyle = m_brush.GetStyle();
2156     if (brushStyle == wxSOLID)
2157     {
2158         ::PenPat(GetQDGlobalsBlack(&blackColor));
2159     }
2160     else if (m_brush.IsHatch())
2161     {
2162         Pattern pat ;
2163
2164         wxMacGetPattern(brushStyle, &pat);
2165         ::PenPat(&pat);
2166     }
2167     else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2168     {
2169         // we force this in order to be compliant with wxMSW
2170         backgroundTransparent = false ;
2171
2172         // for these the text fore (and back for MASK_OPAQUE) colors are used
2173         wxBitmap* bitmap = m_brush.GetStipple() ;
2174         int width = bitmap->GetWidth() ;
2175         int height = bitmap->GetHeight() ;
2176         GWorldPtr gw = NULL ;
2177
2178         if ( m_brush.GetStyle() == wxSTIPPLE )
2179             gw = MAC_WXHBITMAP(bitmap->GetHBITMAP(NULL))  ;
2180         else
2181             gw = MAC_WXHBITMAP(bitmap->GetMask()->GetHBITMAP()) ;
2182
2183         PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2184         LockPixels( gwpixmaphandle ) ;
2185         bool isMonochrome = !IsPortColor( gw ) ;
2186         if ( !isMonochrome )
2187         {
2188             if ( (**gwpixmaphandle).pixelSize == 1 )
2189                 isMonochrome = true ;
2190         }
2191
2192         if ( isMonochrome && width == 8 && height == 8 )
2193         {
2194             ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2195             ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2196             BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2197             UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2198             int alignment = gwbitmap->rowBytes & 0x7FFF ;
2199             Pattern pat ;
2200
2201             for ( int i = 0 ; i < 8 ; ++i )
2202             {
2203                 pat.pat[i] = gwbits[i * alignment + 0] ;
2204             }
2205
2206             UnlockPixels( GetGWorldPixMap( gw ) ) ;
2207             ::PenPat( &pat ) ;
2208         }
2209         else
2210         {
2211             // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2212             // caching scheme before putting this into production
2213             Handle      image;
2214             long        imageSize;
2215
2216             PixPatHandle pixpat = NewPixPat() ;
2217             CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2218             imageSize = GetPixRowBytes((**pixpat).patMap) *
2219                 ((**(**pixpat).patMap).bounds.bottom -
2220                 (**(**pixpat).patMap).bounds.top);
2221             PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2222             (**pixpat).patData = image;
2223
2224             if ( isMonochrome )
2225             {
2226                 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2227                 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2228                 if ( ctspec[0].rgb.red == 0x0000 )
2229                 {
2230                     ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2231                     ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2232                 }
2233                 else
2234                 {
2235                     ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2236                     ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2237                 }
2238                 ::CTabChanged( ctable ) ;
2239             }
2240
2241             ::PenPixPat(pixpat);
2242             m_macForegroundPixMap = pixpat ;
2243         }
2244
2245         UnlockPixels( gwpixmaphandle ) ;
2246     }
2247     else
2248     {
2249         ::PenPat(GetQDGlobalsBlack(&blackColor));
2250     }
2251
2252     short mode = patCopy ;
2253     switch ( m_logicalFunction )
2254     {
2255     case wxCOPY:       // src
2256         if ( backgroundTransparent )
2257             mode = patOr ;
2258         else
2259             mode = patCopy ;
2260         break ;
2261
2262     case wxINVERT:     // NOT dst
2263         if ( !backgroundTransparent )
2264             ::PenPat(GetQDGlobalsBlack(&blackColor));
2265         mode = patXor ;
2266         break ;
2267
2268     case wxXOR:        // src XOR dst
2269         mode = patXor ;
2270         break ;
2271
2272     case wxOR_REVERSE: // src OR (NOT dst)
2273         mode = notPatOr ;
2274         break ;
2275
2276     case wxSRC_INVERT: // (NOT src)
2277         mode = notPatCopy ;
2278         break ;
2279
2280     case wxAND: // src AND dst
2281         mode = adMin ;
2282         break ;
2283
2284     // TODO: unsupported
2285     case wxCLEAR:      // 0
2286     case wxAND_REVERSE:// src AND (NOT dst)
2287     case wxAND_INVERT: // (NOT src) AND dst
2288     case wxNO_OP:      // dst
2289     case wxNOR:        // (NOT src) AND (NOT dst)
2290     case wxEQUIV:      // (NOT src) XOR dst
2291     case wxOR_INVERT:  // (NOT src) OR dst
2292     case wxNAND:       // (NOT src) OR (NOT dst)
2293     case wxOR:         // src OR dst
2294     case wxSET:        // 1
2295         //        case wxSRC_OR:     // source _bitmap_ OR destination
2296         //        case wxSRC_AND:     // source _bitmap_ AND destination
2297         break ;
2298
2299     default:
2300         break ;
2301     }
2302
2303     ::PenMode( mode ) ;
2304     m_macBrushInstalled = true ;
2305     m_macPenInstalled = false ;
2306     m_macFontInstalled = false ;
2307 }
2308
2309 // ---------------------------------------------------------------------------
2310 // coordinates transformations
2311 // ---------------------------------------------------------------------------
2312
2313 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2314 {
2315     return ((wxDC *)this)->XDEV2LOG(x);
2316 }
2317
2318 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2319 {
2320     return ((wxDC *)this)->YDEV2LOG(y);
2321 }
2322
2323 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2324 {
2325     return ((wxDC *)this)->XDEV2LOGREL(x);
2326 }
2327
2328 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2329 {
2330     return ((wxDC *)this)->YDEV2LOGREL(y);
2331 }
2332
2333 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2334 {
2335     return ((wxDC *)this)->XLOG2DEV(x);
2336 }
2337
2338 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2339 {
2340     return ((wxDC *)this)->YLOG2DEV(y);
2341 }
2342
2343 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2344 {
2345     return ((wxDC *)this)->XLOG2DEVREL(x);
2346 }
2347
2348 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2349 {
2350     return ((wxDC *)this)->YLOG2DEVREL(y);
2351 }
2352
2353 #endif // !wxMAC_USE_CORE_GRAPHICS