src/mac/carbon/dccg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "dc.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/dc.h"
  19
  20 #if wxMAC_USE_CORE_GRAPHICS
  21
  22 #include "wx/app.h"
  23 #include "wx/mac/uma.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/dcprint.h"
  26 #include "wx/region.h"
  27 #include "wx/image.h"
  28 #include "wx/log.h"
  29
  30
  31 #if __MSL__ >= 0x6000
  32 #include "math.h"
  33 using namespace std ;
  34 #endif
  35
  36 #include "wx/mac/private.h"
  37 #include <ATSUnicode.h>
  38 #include <TextCommon.h>
  39 #include <TextEncodingConverter.h>
  40 #include <FixMath.h>
  41 #include <CGContext.h>
  42
  43 #if !USE_SHARED_LIBRARY
  44 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
  45 #endif
  46
  47 //-----------------------------------------------------------------------------
  48 // constants
  49 //-----------------------------------------------------------------------------
  50
  51 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  52 #ifndef M_PI
  53 const double M_PI = 3.14159265358979 ;
  54 #endif
  55 #endif
  56 const double RAD2DEG  = 180.0 / M_PI;
  57 const short kEmulatedMode = -1 ;
  58 const short kUnsupportedMode = -2 ;
  59
  60 extern TECObjectRef s_TECNativeCToUnicode ;
  61
  62 // TODO Update
  63 // The text ctrl implementation still needs that for the non hiview implementation
  64
  65 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
  66     wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
  67 {
  68     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
  69     m_formerClip = NewRgn() ;
  70     m_newClip = NewRgn() ;
  71     GetClip( m_formerClip ) ;
  72
  73     if ( win )
  74     {
  75         // guard against half constructed objects, this just leads to a empty clip
  76         if( win->GetPeer() )
  77         {
  78             int x = 0 , y = 0;
  79             win->MacWindowToRootWindow( &x,&y ) ;
  80             // get area including focus rect
  81             CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
  82             if ( !EmptyRgn( m_newClip ) )
  83                 OffsetRgn( m_newClip , x , y ) ;
  84         }
  85
  86         SetClip( m_newClip ) ;
  87     }
  88 }
  89
  90 wxMacWindowClipper::~wxMacWindowClipper()
  91 {
  92     SetPort( m_newPort ) ;
  93     SetClip( m_formerClip ) ;
  94     DisposeRgn( m_newClip ) ;
  95     DisposeRgn( m_formerClip ) ;
  96 }
  97
  98 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
  99     wxMacWindowClipper( win )
 100 {
 101     // the port is already set at this point
 102     m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
 103     GetThemeDrawingState( &m_themeDrawingState ) ;
 104 }
 105
 106 wxMacWindowStateSaver::~wxMacWindowStateSaver()
 107 {
 108     SetPort( m_newPort ) ;
 109     SetThemeDrawingState( m_themeDrawingState , true ) ;
 110 }
 111
 112 // minimal implementation only used for appearance drawing < 10.3
 113
 114 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
 115     m_ph( (GrafPtr) dc->m_macPort )
 116 {
 117     wxASSERT( dc->Ok() ) ;
 118     m_dc = dc ;
 119 //    dc->MacSetupPort(&m_ph) ;
 120 }
 121 wxMacPortSetter::~wxMacPortSetter()
 122 {
 123 //    m_dc->MacCleanupPort(&m_ph) ;
 124 }
 125
 126 //-----------------------------------------------------------------------------
 127 // Local functions
 128 //-----------------------------------------------------------------------------
 129
 130 static inline double dmin(double a, double b) { return a < b ? a : b; }
 131 static inline double dmax(double a, double b) { return a > b ? a : b; }
 132 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 133
 134 //-----------------------------------------------------------------------------
 135 // device context implementation
 136 //
 137 // more and more of the dc functionality should be implemented by calling
 138 // the appropricate wxMacCGContext, but we will have to do that step by step
 139 // also coordinate conversions should be moved to native matrix ops
 140 //-----------------------------------------------------------------------------
 141
 142 wxMacCGPath::wxMacCGPath()
 143 {
 144     m_path = CGPathCreateMutable() ;
 145 }
 146
 147 wxMacCGPath::~wxMacCGPath()
 148 {
 149     CGPathRelease( m_path ) ;
 150 }
 151
 152 //  Starts a new subpath at
 153 void wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 )
 154 {
 155     CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ;
 156 }
 157
 158 void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 )
 159 {
 160     CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ;
 161 }
 162
 163 void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
 164 {
 165     CGRect cgRect = { { x , y } , { w , h } } ;
 166     CGPathAddRect( m_path , NULL , cgRect ) ;
 167 }
 168
 169 void wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord r )
 170 {
 171     CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ) ;
 172 }
 173
 174 // closes the current subpath
 175 void wxMacCGPath::CloseSubpath()
 176 {
 177     CGPathCloseSubpath( m_path ) ;
 178 }
 179
 180 CGPathRef wxMacCGPath::GetPath() const
 181 {
 182     return m_path ;
 183 }
 184
 185 // we always stock two context states, one at entry, the other one after
 186 // changing to HI Graphics orientation (this one is used for getting back clippings etc)
 187
 188 wxMacCGContext::wxMacCGContext( CGrafPtr port )
 189 {
 190     m_qdPort = port ;
 191     m_cgContext = NULL ;
 192 }
 193
 194 wxMacCGContext::wxMacCGContext( CGContextRef cgcontext )
 195 {
 196     m_qdPort = NULL ;
 197     m_cgContext = cgcontext ;
 198     CGContextSaveGState( m_cgContext ) ;
 199     CGContextSaveGState( m_cgContext ) ;
 200 }
 201
 202 wxMacCGContext::wxMacCGContext()
 203 {
 204     m_qdPort = NULL ;
 205     m_cgContext = NULL ;
 206 }
 207
 208 wxMacCGContext::~wxMacCGContext()
 209 {
 210     if ( m_cgContext )
 211     {
 212         CGContextSynchronize( m_cgContext ) ;
 213         CGContextRestoreGState( m_cgContext ) ;
 214         CGContextRestoreGState( m_cgContext ) ;
 215     }
 216     if ( m_qdPort )
 217         CGContextRelease( m_cgContext ) ;
 218 }
 219
 220
 221 void wxMacCGContext::Clip( const wxRegion &region )
 222 {
 223 //        ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ;
 224 }
 225
 226 void wxMacCGContext::StrokePath( const wxGraphicPath *p )
 227 {
 228     const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
 229     CGContextBeginPath( m_cgContext ) ;
 230     CGContextAddPath( m_cgContext , path->GetPath() ) ;
 231     CGContextClosePath( m_cgContext ) ;
 232     CGContextStrokePath( m_cgContext ) ;
 233 }
 234
 235 void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle )
 236 {
 237     const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
 238     CGPathDrawingMode mode = m_mode ;
 239     if ( fillStyle == wxODDEVEN_RULE )
 240     {
 241         if ( mode == kCGPathFill )
 242             mode = kCGPathEOFill ;
 243         else if ( mode == kCGPathFillStroke )
 244             mode = kCGPathEOFillStroke ;
 245     }
 246     CGContextBeginPath( m_cgContext ) ;
 247     CGContextAddPath( m_cgContext , path->GetPath() ) ;
 248     CGContextClosePath( m_cgContext ) ;
 249     CGContextDrawPath( m_cgContext , mode ) ;
 250 }
 251
 252 void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle )
 253 {
 254     const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
 255     CGContextSaveGState( m_cgContext ) ;
 256
 257     RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ;
 258     CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
 259     CGPathDrawingMode mode = kCGPathFill ;
 260
 261     if ( fillStyle == wxODDEVEN_RULE )
 262         mode = kCGPathEOFill ;
 263
 264     CGContextBeginPath( m_cgContext ) ;
 265     CGContextAddPath( m_cgContext , path->GetPath() ) ;
 266     CGContextClosePath( m_cgContext ) ;
 267     CGContextDrawPath( m_cgContext , mode ) ;
 268
 269     CGContextRestoreGState( m_cgContext ) ;
 270 }
 271
 272 wxGraphicPath* wxMacCGContext::CreatePath()
 273 {
 274     // make sure that we now have a real cgref, before doing
 275     // anything with paths
 276     CGContextRef cg = GetNativeContext() ;
 277     cg = NULL ;
 278     return new wxMacCGPath() ;
 279 }
 280
 281 // in case we only got a QDPort only create a cgref now
 282
 283 CGContextRef wxMacCGContext::GetNativeContext()
 284 {
 285     if( m_cgContext == NULL )
 286     {
 287         Rect bounds ;
 288         GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ;
 289         OSStatus status = CreateCGContextForPort((CGrafPtr) m_qdPort , &m_cgContext) ;
 290         CGContextSaveGState( m_cgContext ) ;
 291
 292         wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ;
 293         CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ) ;
 294         CGContextScaleCTM( m_cgContext , 1 , -1 ) ;
 295
 296         CGContextSaveGState( m_cgContext ) ;
 297         SetPen( m_pen ) ;
 298         SetBrush( m_brush ) ;
 299     }
 300     return m_cgContext ;
 301 }
 302
 303 void wxMacCGContext::SetNativeContext( CGContextRef cg )
 304 {
 305     wxASSERT( m_cgContext == NULL ) ;
 306     m_cgContext = cg ;
 307     CGContextSaveGState( m_cgContext ) ;
 308 }
 309
 310 void wxMacCGContext::SetPen( const wxPen &pen )
 311 {
 312     m_pen = pen ;
 313     if ( m_cgContext == NULL )
 314         return ;
 315     bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
 316     bool stroke = pen.GetStyle() != wxTRANSPARENT ;
 317
 318 #if 0
 319     // we can benchmark performance, should go into a setting later
 320     CGContextSetShouldAntialias( m_cgContext , false ) ;
 321 #endif
 322     if ( fill | stroke )
 323     {
 324         // setup brushes
 325         m_mode = kCGPathFill ; // just a default
 326
 327         if ( fill )
 328         {
 329             m_mode = kCGPathFill ;
 330         }
 331         if ( stroke )
 332         {
 333             RGBColor col = MAC_WXCOLORREF( pen.GetColour().GetPixel() ) ;
 334             CGContextSetRGBStrokeColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
 335
 336             CGLineCap cap ;
 337             switch( pen.GetCap() )
 338             {
 339                 case wxCAP_ROUND :
 340                     cap = kCGLineCapRound ;
 341                     break ;
 342                 case wxCAP_PROJECTING :
 343                     cap = kCGLineCapSquare ;
 344                     break ;
 345                 case wxCAP_BUTT :
 346                     cap = kCGLineCapButt ;
 347                     break ;
 348                 default :
 349                     cap = kCGLineCapButt ;
 350                     break ;
 351             }
 352             CGContextSetLineCap( m_cgContext , cap ) ;
 353
 354             CGLineJoin join ;
 355             switch( pen.GetJoin() )
 356             {
 357                 case wxJOIN_BEVEL :
 358                     join = kCGLineJoinBevel ;
 359                     break ;
 360                 case wxJOIN_MITER :
 361                     join = kCGLineJoinMiter ;
 362                     break ;
 363                 case wxJOIN_ROUND :
 364                     join = kCGLineJoinRound ;
 365                     break ;
 366                 default :
 367                     join = kCGLineJoinMiter ;
 368                     break;
 369             }
 370             CGContextSetLineJoin( m_cgContext , join ) ;
 371
 372             CGContextSetLineWidth( m_cgContext , pen.GetWidth() == 0 ? 0.1 :  pen.GetWidth() /* TODO * m_dc->m_scaleX */ ) ;
 373
 374             m_mode = kCGPathStroke ;
 375             int count = 0 ;
 376             const float *lengths = NULL ;
 377             float *userLengths = NULL ;
 378
 379             const float dotted[] = { 3 , 3 };
 380             const float dashed[] = { 19 , 9 };
 381             const float short_dashed[] = { 9 , 6 };
 382             const float dotted_dashed[] = { 9 , 6 , 3 , 3 };
 383
 384             switch( pen.GetStyle() )
 385             {
 386                 case wxSOLID :
 387                     break ;
 388                 case wxDOT :
 389                     lengths = dotted ;
 390                     count = WXSIZEOF(dotted);
 391                     break ;
 392                 case wxLONG_DASH :
 393                     lengths = dashed ;
 394                     count = WXSIZEOF(dashed) ;
 395                     break ;
 396                 case wxSHORT_DASH :
 397                     lengths = short_dashed ;
 398                     count = WXSIZEOF(short_dashed) ;
 399                     break ;
 400                 case wxDOT_DASH :
 401                     lengths = dotted_dashed ;
 402                     count = WXSIZEOF(dotted_dashed);
 403                     break ;
 404                 case wxUSER_DASH :
 405                     wxDash *dashes ;
 406                     count = pen.GetDashes( &dashes ) ;
 407                     if ( count >0 )
 408                     {
 409                         userLengths = new float[count] ;
 410                         for( int i = 0 ; i < count ; ++i )
 411                             userLengths[i] = dashes[i] ;
 412                     }
 413                     lengths = userLengths ;
 414                     break ;
 415                 default :
 416                     break ;
 417             }
 418
 419             CGContextSetLineDash( m_cgContext , 0 , lengths , count ) ;
 420             delete[] userLengths ;
 421             // we need to change the cap, otherwise everything overlaps
 422             // and we get solid lines
 423             if ( count > 0 )
 424                 CGContextSetLineCap( m_cgContext , kCGLineCapButt ) ;
 425         }
 426         if ( fill && stroke )
 427         {
 428             m_mode = kCGPathFillStroke ;
 429         }
 430
 431     }
 432 }
 433 void wxMacCGContext::SetBrush( const wxBrush &brush )
 434 {
 435     m_brush = brush ;
 436     if ( m_cgContext == NULL )
 437         return ;
 438
 439     bool fill = brush.GetStyle() != wxTRANSPARENT ;
 440     bool stroke = m_pen.GetStyle() != wxTRANSPARENT ;
 441
 442 #if 0
 443     // we can benchmark performance, should go into a setting later
 444     CGContextSetShouldAntialias( m_cgContext , false ) ;
 445 #endif
 446     if ( fill | stroke )
 447     {
 448
 449         // setup brushes
 450         m_mode = kCGPathFill ; // just a default
 451
 452         if ( fill )
 453         {
 454             RGBColor col = MAC_WXCOLORREF( brush.GetColour().GetPixel() ) ;
 455             CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
 456             m_mode = kCGPathFill ;
 457         }
 458         if ( stroke )
 459         {
 460             m_mode = kCGPathStroke ;
 461         }
 462         if ( fill && stroke )
 463         {
 464             m_mode = kCGPathFillStroke ;
 465         }
 466
 467     }
 468 }
 469
 470 // snippets from Sketch Sample from Apple :
 471
 472 #define kGenericRGBProfilePathStr       "/System/Library/ColorSync/Profiles/Generic RGB Profile.icc"
 473 /*
 474     This function locates, opens, and returns the profile reference for the calibrated
 475     Generic RGB color space. It is up to the caller to call CMCloseProfile when done
 476     with the profile reference this function returns.
 477 */
 478 CMProfileRef wxMacOpenGenericProfile(void)
 479 {
 480     static CMProfileRef cachedRGBProfileRef = NULL;
 481
 482     // we only create the profile reference once
 483     if (cachedRGBProfileRef == NULL)
 484     {
 485                 CMProfileLocation       loc;
 486
 487                 loc.locType = cmPathBasedProfile;
 488                 strcpy(loc.u.pathLoc.path, kGenericRGBProfilePathStr);
 489
 490                 verify_noerr( CMOpenProfile(&cachedRGBProfileRef, &loc) );
 491     }
 492
 493     if (cachedRGBProfileRef)
 494     {
 495                 // clone the profile reference so that the caller has their own reference, not our cached one
 496                 CMCloneProfileRef(cachedRGBProfileRef);
 497     }
 498
 499     return cachedRGBProfileRef;
 500 }
 501
 502 /*
 503     Return the generic RGB color space. This is a 'get' function and the caller should
 504     not release the returned value unless the caller retains it first. Usually callers
 505     of this routine will immediately use the returned colorspace with CoreGraphics
 506     so they typically do not need to retain it themselves.
 507
 508     This function creates the generic RGB color space once and hangs onto it so it can
 509     return it whenever this function is called.
 510 */
 511
 512 CGColorSpaceRef wxMacGetGenericRGBColorSpace()
 513 {
 514     static CGColorSpaceRef genericRGBColorSpace = NULL;
 515
 516         if (genericRGBColorSpace == NULL)
 517         {
 518                 CMProfileRef genericRGBProfile = wxMacOpenGenericProfile();
 519
 520                 if (genericRGBProfile)
 521                 {
 522                         genericRGBColorSpace = CGColorSpaceCreateWithPlatformColorSpace(genericRGBProfile);
 523                         wxASSERT_MSG( genericRGBColorSpace != NULL, wxT("couldn't create the generic RGB color space") ) ;
 524
 525                         // we opened the profile so it is up to us to close it
 526                         CMCloseProfile(genericRGBProfile);
 527                 }
 528         }
 529     return genericRGBColorSpace;
 530 }
 531
 532 void AddEllipticArcToPath(CGContextRef c, CGPoint center, float a, float b, float fromDegree , float toDegree )
 533 {
 534     CGContextSaveGState(c);
 535     CGContextTranslateCTM(c, center.x, center.y);
 536     CGContextScaleCTM(c, a, b);
 537     CGContextMoveToPoint(c, 1, 0);
 538     CGContextAddArc(c, 0, 0, 1, DegToRad(fromDegree), DegToRad(toDegree), 0);
 539     CGContextClosePath(c);
 540     CGContextRestoreGState(c);
 541 }
 542
 543 void AddRoundedRectToPath(CGContextRef c, CGRect rect, float ovalWidth,
 544       float ovalHeight)
 545 {
 546     float fw, fh;
 547     if (ovalWidth == 0 || ovalHeight == 0)
 548     {
 549         CGContextAddRect(c, rect);
 550         return;
 551     }
 552     CGContextSaveGState(c);
 553     CGContextTranslateCTM(c, CGRectGetMinX(rect), CGRectGetMinY(rect));
 554     CGContextScaleCTM(c, ovalWidth, ovalHeight);
 555     fw = CGRectGetWidth(rect) / ovalWidth;
 556     fh = CGRectGetHeight(rect) / ovalHeight;
 557     CGContextMoveToPoint(c, fw, fh/2);
 558     CGContextAddArcToPoint(c, fw, fh, fw/2, fh, 1);
 559     CGContextAddArcToPoint(c, 0, fh, 0, fh/2, 1);
 560     CGContextAddArcToPoint(c, 0, 0, fw/2, 0, 1);
 561     CGContextAddArcToPoint(c, fw, 0, fw, fh/2, 1);
 562     CGContextClosePath(c);
 563     CGContextRestoreGState(c);
 564 }
 565
 566 wxDC::wxDC()
 567 {
 568     m_ok = FALSE;
 569     m_colour = TRUE;
 570     m_mm_to_pix_x = mm2pt;
 571     m_mm_to_pix_y = mm2pt;
 572     m_internalDeviceOriginX = 0;
 573     m_internalDeviceOriginY = 0;
 574     m_externalDeviceOriginX = 0;
 575     m_externalDeviceOriginY = 0;
 576     m_logicalScaleX = 1.0;
 577     m_logicalScaleY = 1.0;
 578     m_userScaleX = 1.0;
 579     m_userScaleY = 1.0;
 580     m_scaleX = 1.0;
 581     m_scaleY = 1.0;
 582     m_needComputeScaleX = FALSE;
 583     m_needComputeScaleY = FALSE;
 584
 585     m_ok = FALSE ;
 586     m_macPort = 0 ;
 587     m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
 588
 589     m_pen = *wxBLACK_PEN;
 590     m_font = *wxNORMAL_FONT;
 591     m_brush = *wxWHITE_BRUSH;
 592
 593     m_macATSUIStyle = NULL ;
 594
 595     m_graphicContext = NULL ;
 596 }
 597
 598 wxDC::~wxDC(void)
 599 {
 600     if( m_macATSUIStyle )
 601     {
 602         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 603         m_macATSUIStyle = NULL ;
 604     }
 605
 606     delete m_graphicContext ;
 607 }
 608
 609 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 610 {
 611     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 612     wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
 613     wxCoord xx = XLOG2DEVMAC(x);
 614     wxCoord yy = YLOG2DEVMAC(y);
 615     wxCoord w = bmp.GetWidth();
 616     wxCoord h = bmp.GetHeight();
 617     wxCoord ww = XLOG2DEVREL(w);
 618     wxCoord hh = YLOG2DEVREL(h);
 619
 620     CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
 621     CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ;
 622     HIRect r = CGRectMake( xx , yy , ww , hh ) ;
 623     HIViewDrawCGImage( cg , &r , image ) ;
 624     CGImageRelease( image ) ;
 625 }
 626
 627 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
 628 {
 629     wxCHECK_RET(Ok(), wxT("Invalid dc  wxDC::DoDrawIcon"));
 630     wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
 631
 632     wxCoord xx = XLOG2DEVMAC(x);
 633     wxCoord yy = YLOG2DEVMAC(y);
 634     wxCoord w = icon.GetWidth();
 635     wxCoord h = icon.GetHeight();
 636     wxCoord ww = XLOG2DEVREL(w);
 637     wxCoord hh = YLOG2DEVREL(h);
 638
 639     CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
 640     CGRect r = CGRectMake( 00 , 00 , ww , hh ) ;
 641     CGContextSaveGState(cg);
 642     CGContextTranslateCTM(cg, xx , yy + hh );
 643     CGContextScaleCTM(cg, 1, -1);
 644     PlotIconRefInContext( cg , &r , kAlignNone , kTransformNone ,
 645         NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
 646     CGContextRestoreGState( cg ) ;
 647 }
 648
 649 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
 650 {
 651     wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion  Invalid DC"));
 652     wxCoord xx, yy, ww, hh;
 653     xx = XLOG2DEVMAC(x);
 654     yy = YLOG2DEVMAC(y);
 655     ww = XLOG2DEVREL(width);
 656     hh = YLOG2DEVREL(height);
 657
 658     CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
 659     CGRect clipRect = CGRectMake( xx ,yy , ww, hh ) ;
 660     CGContextClipToRect( cgContext , clipRect ) ;
 661
 662 //    SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
 663 //    SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 664     if( m_clipping )
 665     {
 666         m_clipX1 = wxMax( m_clipX1 , xx );
 667         m_clipY1 = wxMax( m_clipY1 , yy );
 668         m_clipX2 = wxMin( m_clipX2, (xx + ww));
 669         m_clipY2 = wxMin( m_clipY2, (yy + hh));
 670     }
 671     else
 672     {
 673         m_clipping = TRUE;
 674         m_clipX1 = xx;
 675         m_clipY1 = yy;
 676         m_clipX2 = xx + ww;
 677         m_clipY2 = yy + hh;
 678     }
 679     // TODO as soon as we don't reset the context for each operation anymore
 680     // we have to update the context as well
 681 }
 682
 683 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region  )
 684 {
 685     wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
 686     if (region.Empty())
 687     {
 688         DestroyClippingRegion();
 689         return;
 690     }
 691     wxCoord x, y, w, h;
 692     region.GetBox( x, y, w, h );
 693     wxCoord xx, yy, ww, hh;
 694     xx = XLOG2DEVMAC(x);
 695     yy = YLOG2DEVMAC(y);
 696     ww = XLOG2DEVREL(w);
 697     hh = YLOG2DEVREL(h);
 698     // if we have a scaling that we cannot map onto native regions
 699     // we must use the box
 700     if ( ww != w || hh != h )
 701     {
 702         wxDC::DoSetClippingRegion( x, y, w, h );
 703     }
 704     else
 705     {
 706         /*
 707         CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
 708         if ( xx != x || yy != y )
 709         {
 710             OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
 711         }
 712         SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 713         */
 714         if( m_clipping )
 715         {
 716             m_clipX1 = wxMax( m_clipX1 , xx );
 717             m_clipY1 = wxMax( m_clipY1 , yy );
 718             m_clipX2 = wxMin( m_clipX2, (xx + ww));
 719             m_clipY2 = wxMin( m_clipY2, (yy + hh));
 720         }
 721         else
 722         {
 723             m_clipping = TRUE;
 724             m_clipX1 = xx;
 725             m_clipY1 = yy;
 726             m_clipX2 = xx + ww;
 727             m_clipY2 = yy + hh;
 728         }
 729     }
 730 }
 731
 732 void wxDC::DestroyClippingRegion()
 733 {
 734 //    CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 735     CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
 736     CGContextRestoreGState( cgContext );
 737     CGContextSaveGState( cgContext );
 738     SetPen( m_pen ) ;
 739     SetBrush( m_brush ) ;
 740     m_clipping = FALSE;
 741 }
 742
 743 void wxDC::DoGetSizeMM( int* width, int* height ) const
 744 {
 745     int w = 0;
 746     int h = 0;
 747     GetSize( &w, &h );
 748     *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
 749     *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
 750 }
 751
 752 void wxDC::SetTextForeground( const wxColour &col )
 753 {
 754     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 755     if ( col != m_textForegroundColour )
 756     {
 757         m_textForegroundColour = col;
 758         MacInstallFont() ;
 759     }
 760 }
 761
 762 void wxDC::SetTextBackground( const wxColour &col )
 763 {
 764     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 765     m_textBackgroundColour = col;
 766 }
 767
 768 void wxDC::SetMapMode( int mode )
 769 {
 770     switch (mode)
 771     {
 772     case wxMM_TWIPS:
 773         SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
 774         break;
 775     case wxMM_POINTS:
 776         SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
 777         break;
 778     case wxMM_METRIC:
 779         SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
 780         break;
 781     case wxMM_LOMETRIC:
 782         SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
 783         break;
 784     default:
 785     case wxMM_TEXT:
 786         SetLogicalScale( 1.0, 1.0 );
 787         break;
 788     }
 789     if (mode != wxMM_TEXT)
 790     {
 791         m_needComputeScaleX = TRUE;
 792         m_needComputeScaleY = TRUE;
 793     }
 794 }
 795
 796 void wxDC::SetUserScale( double x, double y )
 797 {
 798     // allow negative ? -> no
 799     m_userScaleX = x;
 800     m_userScaleY = y;
 801     ComputeScaleAndOrigin();
 802 }
 803
 804 void wxDC::SetLogicalScale( double x, double y )
 805 {
 806     // allow negative ?
 807     m_logicalScaleX = x;
 808     m_logicalScaleY = y;
 809     ComputeScaleAndOrigin();
 810 }
 811
 812 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
 813 {
 814     m_logicalOriginX = x * m_signX;   // is this still correct ?
 815     m_logicalOriginY = y * m_signY;
 816     ComputeScaleAndOrigin();
 817 }
 818
 819 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
 820 {
 821     m_externalDeviceOriginX = x;
 822     m_externalDeviceOriginY = y;
 823     ComputeScaleAndOrigin();
 824 }
 825
 826 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
 827 {
 828     m_signX = (xLeftRight ?  1 : -1);
 829     m_signY = (yBottomUp  ? -1 :  1);
 830     ComputeScaleAndOrigin();
 831 }
 832
 833 wxSize wxDC::GetPPI() const
 834 {
 835     return wxSize(72, 72);
 836 }
 837
 838 int wxDC::GetDepth() const
 839 {
 840     return 32 ;
 841 }
 842
 843 void wxDC::ComputeScaleAndOrigin()
 844 {
 845     // CMB: copy scale to see if it changes
 846     double origScaleX = m_scaleX;
 847     double origScaleY = m_scaleY;
 848     m_scaleX = m_logicalScaleX * m_userScaleX;
 849     m_scaleY = m_logicalScaleY * m_userScaleY;
 850     m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
 851     m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
 852     // CMB: if scale has changed call SetPen to recalulate the line width
 853     if (m_scaleX != origScaleX || m_scaleY != origScaleY)
 854     {
 855         // this is a bit artificial, but we need to force wxDC to think
 856         // the pen has changed
 857         wxPen pen(GetPen());
 858         m_pen = wxNullPen;
 859         SetPen(pen);
 860     }
 861 }
 862
 863 void  wxDC::SetPalette( const wxPalette& palette )
 864 {
 865 }
 866
 867 void  wxDC::SetBackgroundMode( int mode )
 868 {
 869     m_backgroundMode = mode ;
 870 }
 871
 872 void  wxDC::SetFont( const wxFont &font )
 873 {
 874     m_font = font;
 875     MacInstallFont() ;
 876 }
 877
 878 void  wxDC::SetPen( const wxPen &pen )
 879 {
 880     if ( m_pen == pen )
 881         return ;
 882     m_pen = pen;
 883     if ( m_graphicContext )
 884     {
 885         m_graphicContext->SetPen( m_pen ) ;
 886     }
 887 }
 888
 889 void  wxDC::SetBrush( const wxBrush &brush )
 890 {
 891     if (m_brush == brush)
 892         return;
 893     m_brush = brush;
 894     if ( m_graphicContext )
 895     {
 896         m_graphicContext->SetBrush( m_brush ) ;
 897     }
 898 }
 899
 900 void  wxDC::SetBackground( const wxBrush &brush )
 901 {
 902     if (m_backgroundBrush == brush)
 903         return;
 904     m_backgroundBrush = brush;
 905     if (!m_backgroundBrush.Ok())
 906         return;
 907 }
 908
 909 void  wxDC::SetLogicalFunction( int function )
 910 {
 911     if (m_logicalFunction == function)
 912         return;
 913     m_logicalFunction = function ;
 914 }
 915
 916 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
 917                           const wxColour & col, int style);
 918
 919 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
 920                        const wxColour& col, int style)
 921 {
 922     return wxDoFloodFill(this, x, y, col, style);
 923 }
 924
 925 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
 926 {
 927     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 928     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );
 929     wxMacPortSaver helper((CGrafPtr)m_macPort) ;
 930     RGBColor colour;
 931     GetCPixel(
 932         XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x,
 933         YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour );
 934     // Convert from Mac colour to wx
 935     col->Set( colour.red   >> 8,
 936         colour.green >> 8,
 937         colour.blue  >> 8);
 938     return true ;
 939 }
 940
 941 void  wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
 942 {
 943     wxCHECK_RET(Ok(), wxT("Invalid DC"));
 944
 945     if ( m_logicalFunction != wxCOPY )
 946         return ;
 947
 948     wxCoord xx1 = XLOG2DEVMAC(x1) ;
 949     wxCoord yy1 = YLOG2DEVMAC(y1) ;
 950     wxCoord xx2 = XLOG2DEVMAC(x2) ;
 951     wxCoord yy2 = YLOG2DEVMAC(y2) ;
 952
 953     wxGraphicPath* path = m_graphicContext->CreatePath() ;
 954     path->MoveToPoint( xx1 , yy1 ) ;
 955     path->AddLineToPoint( xx2 , yy2 ) ;
 956     path->CloseSubpath() ;
 957     m_graphicContext->StrokePath( path ) ;
 958     delete path ;
 959
 960     CalcBoundingBox(x1, y1);
 961     CalcBoundingBox(x2, y2);
 962 }
 963
 964 void  wxDC::DoCrossHair( wxCoord x, wxCoord y )
 965 {
 966     wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair  Invalid window dc") );
 967
 968     if ( m_logicalFunction != wxCOPY )
 969         return ;
 970
 971     int w = 0;
 972     int h = 0;
 973     GetSize( &w, &h );
 974     wxCoord xx = XLOG2DEVMAC(x);
 975     wxCoord yy = YLOG2DEVMAC(y);
 976
 977     wxGraphicPath* path = m_graphicContext->CreatePath() ;
 978     path->MoveToPoint( XLOG2DEVMAC(0), yy  ) ;
 979     path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ;
 980     path->CloseSubpath() ;
 981     path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ;
 982     path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ;
 983     path->CloseSubpath() ;
 984     m_graphicContext->StrokePath( path ) ;
 985     delete path ;
 986
 987     CalcBoundingBox(x, y);
 988     CalcBoundingBox(x+w, y+h);
 989 }
 990
 991 /*
 992 * To draw arcs properly the angles need to be converted from the WX style:
 993 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
 994 * a normal axis on paper).
 995 * TO
 996 * the Mac style:
 997 * Angles start on the +ve y axis and go clockwise.
 998 */
 999
1000 static double wxConvertWXangleToMACangle(double angle)
1001 {
1002     double newAngle = 90 - angle ;
1003     if ( newAngle < 0 )
1004         newAngle += 360 ;
1005     return newAngle ;
1006 }
1007
1008 void  wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
1009                       wxCoord x2, wxCoord y2,
1010                       wxCoord xc, wxCoord yc )
1011 {
1012     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc  Invalid DC"));
1013
1014     if ( m_logicalFunction != wxCOPY )
1015         return ;
1016
1017     wxCoord xx1 = XLOG2DEVMAC(x1);
1018     wxCoord yy1 = YLOG2DEVMAC(y1);
1019     wxCoord xx2 = XLOG2DEVMAC(x2);
1020     wxCoord yy2 = YLOG2DEVMAC(y2);
1021     wxCoord xxc = XLOG2DEVMAC(xc);
1022     wxCoord yyc = YLOG2DEVMAC(yc);
1023     double dx = xx1 - xxc;
1024     double dy = yy1 - yyc;
1025     double radius = sqrt((double)(dx*dx+dy*dy));
1026     wxCoord rad   = (wxCoord)radius;
1027     double radius1, radius2;
1028     if (xx1 == xx2 && yy1 == yy2)
1029     {
1030         radius1 = 0.0;
1031         radius2 = 360.0;
1032     }
1033     else if (radius == 0.0)
1034     {
1035         radius1 = radius2 = 0.0;
1036     }
1037     else
1038     {
1039         radius1 = (xx1 - xxc == 0) ?
1040             (yy1 - yyc < 0) ? 90.0 : -90.0 :
1041         -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
1042         radius2 = (xx2 - xxc == 0) ?
1043             (yy2 - yyc < 0) ? 90.0 : -90.0 :
1044         -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
1045     }
1046     wxCoord alpha2 = wxCoord(radius2 - radius1);
1047     wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
1048     if( (xx1 > xx2) || (yy1 > yy2) ) {
1049         alpha2 *= -1;
1050     }
1051     wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1052     CGContextRef ctx = mctx->GetNativeContext() ;
1053     AddEllipticArcToPath( ctx , CGPointMake( xxc , yyc ) , rad , rad , alpha1 , alpha2 ) ;
1054     CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1055 }
1056
1057 void  wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
1058                               double sa, double ea )
1059 {
1060     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc  Invalid DC"));
1061
1062     if ( m_logicalFunction != wxCOPY )
1063         return ;
1064
1065     double angle = sa - ea;  // Order important Mac in opposite direction to wx
1066     // we have to make sure that the filling is always counter-clockwise
1067     if ( angle > 0 )
1068         angle -= 360 ;
1069     wxCoord xx = XLOG2DEVMAC(x);
1070     wxCoord yy = YLOG2DEVMAC(y);
1071     wxCoord ww = m_signX * XLOG2DEVREL(w);
1072     wxCoord hh = m_signY * YLOG2DEVREL(h);
1073     // handle -ve width and/or height
1074     if (ww < 0) { ww = -ww; xx = xx - ww; }
1075     if (hh < 0) { hh = -hh; yy = yy - hh; }
1076     sa = wxConvertWXangleToMACangle(sa);
1077     wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1078     CGContextRef ctx = mctx->GetNativeContext() ;
1079     AddEllipticArcToPath( ctx  , CGPointMake( xx + ww / 2 , yy + hh / 2 ) , ww / 2 , hh / 2 , sa , angle) ;
1080     CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1081 }
1082
1083 void  wxDC::DoDrawPoint( wxCoord x, wxCoord y )
1084 {
1085     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1086     DoDrawLine( x , y , x + 1 , y + 1 ) ;
1087 }
1088
1089 void  wxDC::DoDrawLines(int n, wxPoint points[],
1090                         wxCoord xoffset, wxCoord yoffset)
1091 {
1092     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1093
1094     if ( m_logicalFunction != wxCOPY )
1095         return ;
1096
1097     wxCoord x1, x2 , y1 , y2 ;
1098     x1 = XLOG2DEVMAC(points[0].x + xoffset);
1099     y1 = YLOG2DEVMAC(points[0].y + yoffset);
1100     wxGraphicPath* path = m_graphicContext->CreatePath() ;
1101     path->MoveToPoint( x1 , y1 ) ;
1102     for (int i = 1; i < n; i++)
1103     {
1104         x2 = XLOG2DEVMAC(points[i].x + xoffset);
1105         y2 = YLOG2DEVMAC(points[i].y + yoffset);
1106
1107         path->AddLineToPoint( x2 , y2 ) ;
1108     }
1109     m_graphicContext->StrokePath( path ) ;
1110     delete path ;
1111 }
1112
1113 void  wxDC::DoDrawPolygon(int n, wxPoint points[],
1114                           wxCoord xoffset, wxCoord yoffset,
1115                           int fillStyle )
1116 {
1117     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1118         wxCoord x1, x2 , y1 , y2 ;
1119     if ( n== 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) )
1120         return ;
1121
1122     if ( m_logicalFunction != wxCOPY )
1123         return ;
1124
1125     x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
1126     y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
1127
1128     wxGraphicPath* path = m_graphicContext->CreatePath() ;
1129     path->MoveToPoint( x1 , y1 ) ;
1130     for (int i = 1; i < n; i++)
1131     {
1132         x2 = XLOG2DEVMAC(points[i].x + xoffset);
1133         y2 = YLOG2DEVMAC(points[i].y + yoffset);
1134
1135         path->AddLineToPoint( x2 , y2 ) ;
1136     }
1137     if ( x1 != x2 || y1 != y2 )
1138     {
1139         path->AddLineToPoint( x1,y1 ) ;
1140     }
1141     path->CloseSubpath() ;
1142     m_graphicContext->DrawPath( path , fillStyle ) ;
1143     delete path ;
1144 }
1145
1146 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1147 {
1148     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1149
1150     if ( m_logicalFunction != wxCOPY )
1151         return ;
1152
1153     wxCoord xx = XLOG2DEVMAC(x);
1154     wxCoord yy = YLOG2DEVMAC(y);
1155     wxCoord ww = m_signX * XLOG2DEVREL(width);
1156     wxCoord hh = m_signY * YLOG2DEVREL(height);
1157     // CMB: draw nothing if transformed w or h is 0
1158     if (ww == 0 || hh == 0)
1159         return;
1160     // CMB: handle -ve width and/or height
1161     if (ww < 0)
1162     {
1163         ww = -ww;
1164         xx = xx - ww;
1165     }
1166     if (hh < 0)
1167     {
1168         hh = -hh;
1169         yy = yy - hh;
1170     }
1171     wxGraphicPath* path = m_graphicContext->CreatePath() ;
1172     path->AddRectangle(xx ,yy , ww , hh ) ;
1173     m_graphicContext->DrawPath( path ) ;
1174     delete path ;
1175 }
1176
1177 void  wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1178                                    wxCoord width, wxCoord height,
1179                                    double radius)
1180 {
1181     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1182
1183     if ( m_logicalFunction != wxCOPY )
1184         return ;
1185
1186
1187     if (radius < 0.0)
1188         radius = - radius * ((width < height) ? width : height);
1189     wxCoord xx = XLOG2DEVMAC(x);
1190     wxCoord yy = YLOG2DEVMAC(y);
1191     wxCoord ww = m_signX * XLOG2DEVREL(width);
1192     wxCoord hh = m_signY * YLOG2DEVREL(height);
1193     // CMB: draw nothing if transformed w or h is 0
1194     if (ww == 0 || hh == 0)
1195         return;
1196     // CMB: handle -ve width and/or height
1197     if (ww < 0)
1198     {
1199         ww = -ww;
1200         xx = xx - ww;
1201     }
1202     if (hh < 0)
1203     {
1204         hh = -hh;
1205         yy = yy - hh;
1206     }
1207     wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1208     CGContextRef ctx = mctx->GetNativeContext() ;
1209     AddRoundedRectToPath( ctx  , CGRectMake( xx , yy , ww , hh ) , 16 ,16  ) ;
1210     CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1211 }
1212
1213 void  wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1214 {
1215     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1216
1217     if ( m_logicalFunction != wxCOPY )
1218         return ;
1219
1220     wxCoord xx = XLOG2DEVMAC(x);
1221     wxCoord yy = YLOG2DEVMAC(y);
1222     wxCoord ww = m_signX * XLOG2DEVREL(width);
1223     wxCoord hh = m_signY * YLOG2DEVREL(height);
1224     // CMB: draw nothing if transformed w or h is 0
1225     if (ww == 0 || hh == 0)
1226         return;
1227     // CMB: handle -ve width and/or height
1228     if (ww < 0)
1229     {
1230         ww = -ww;
1231         xx = xx - ww;
1232     }
1233     if (hh < 0)
1234     {
1235         hh = -hh;
1236         yy = yy - hh;
1237     }
1238
1239     wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1240     CGContextRef ctx = mctx->GetNativeContext() ;
1241     if ( width == height )
1242     {
1243         CGContextBeginPath(ctx);
1244         CGContextAddArc(ctx ,
1245             xx + ww / 2,
1246             yy + hh / 2,
1247             ww / 2,
1248             0,
1249             2 * M_PI,
1250             0 ) ;
1251         CGContextClosePath(ctx);
1252
1253         CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1254     }
1255     else
1256     {
1257         AddEllipticArcToPath( ctx , CGPointMake( xx + ww / 2 , yy + hh / 2 ) , ww / 2 , hh / 2 , 0 , 360) ;
1258         CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1259     }
1260 }
1261
1262 bool  wxDC::CanDrawBitmap(void) const
1263 {
1264     return true ;
1265 }
1266
1267 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1268                    wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1269                    wxCoord xsrcMask,  wxCoord ysrcMask )
1270 {
1271     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1272     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
1273     if ( logical_func == wxNO_OP )
1274         return TRUE ;
1275     if (xsrcMask == -1 && ysrcMask == -1)
1276     {
1277         xsrcMask = xsrc; ysrcMask = ysrc;
1278     }
1279
1280     wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ;
1281     wxCoord xxsrc = source->XLOG2DEVMAC(xsrc)  ;
1282     wxCoord wwsrc = source->XLOG2DEVREL(width ) ;
1283     wxCoord hhsrc = source->YLOG2DEVREL(height) ;
1284
1285     wxCoord yydest = YLOG2DEVMAC(ydest) ;
1286     wxCoord xxdest = XLOG2DEVMAC(xdest) ;
1287     wxCoord wwdest = XLOG2DEVREL(width ) ;
1288     wxCoord hhdest = YLOG2DEVREL(height) ;
1289
1290     wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ;
1291     if ( memdc && logical_func == wxCOPY )
1292     {
1293         wxBitmap blit = memdc->GetSelectedObject() ;
1294         wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ;
1295
1296         wxCoord bmpwidth = blit.GetWidth();
1297         wxCoord bmpheight = blit.GetHeight();
1298
1299         if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc )
1300         {
1301             wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ;
1302             hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ;
1303             if ( wwsrc > 0 && hhsrc > 0 )
1304             {
1305                 if ( xxsrc >= 0 && yysrc >= 0 )
1306                 {
1307                     wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ;
1308                     blit = blit.GetSubBitmap( subrect ) ;
1309                 }
1310                 else
1311                 {
1312                     // in this case we'd probably have to adjust the different coordinates, but
1313                     // we have to find out proper contract first
1314                     blit = wxNullBitmap ;
1315                 }
1316             }
1317             else
1318             {
1319                 blit = wxNullBitmap ;
1320             }
1321         }
1322         if ( blit.Ok() )
1323         {
1324             CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
1325             CGImageRef image = (CGImageRef)( blit.CGImageCreate() ) ;
1326             HIRect r = CGRectMake( xxdest , yydest , wwdest , hhdest ) ;
1327             HIViewDrawCGImage( cg , &r , image ) ;
1328             CGImageRelease( image ) ;
1329         }
1330
1331     }
1332     else
1333     {
1334     /*
1335         CGContextRef cg = dynamic_cast<wxMacCGContext*>(source->GetGraphicContext())->GetNativeContext() ;
1336         void *data = CGBitmapContextGetData( cg ) ;
1337     */
1338         return FALSE ; // wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ;
1339     }
1340     return TRUE;
1341 }
1342
1343 void  wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1344                               double angle)
1345 {
1346     wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText  Invalid window dc") );
1347
1348     if ( str.Length() == 0 )
1349         return ;
1350
1351     if ( m_logicalFunction != wxCOPY )
1352         return ;
1353
1354     wxCHECK_RET( m_macATSUIStyle != NULL , wxT("No valid font set") ) ;
1355
1356     OSStatus status = noErr ;
1357     ATSUTextLayout atsuLayout ;
1358     UniCharCount chars = str.Length() ;
1359     UniChar* ubuf = NULL ;
1360 #if SIZEOF_WCHAR_T == 4
1361         wxMBConvUTF16BE converter ;
1362 #if wxUSE_UNICODE
1363         size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1364         ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1365         converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1366 #else
1367     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1368         size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1369         ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1370         converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1371 #endif
1372     chars = unicharlen / 2 ;
1373 #else
1374 #if wxUSE_UNICODE
1375     ubuf = (UniChar*) str.wc_str() ;
1376 #else
1377     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1378     chars = wxWcslen( wchar.data() ) ;
1379     ubuf = (UniChar*) wchar.data() ;
1380 #endif
1381 #endif
1382
1383     int drawX = XLOG2DEVMAC(x) ;
1384     int drawY = YLOG2DEVMAC(y) ;
1385
1386     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1387         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1388
1389     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1390     int iAngle = int( angle );
1391
1392
1393
1394     if ( abs(iAngle) > 0 )
1395     {
1396         Fixed atsuAngle = IntToFixed( iAngle ) ;
1397         ATSUAttributeTag atsuTags[] =
1398         {
1399             kATSULineRotationTag ,
1400         } ;
1401         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1402         {
1403             sizeof( Fixed ) ,
1404         } ;
1405         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1406         {
1407             &atsuAngle ,
1408         } ;
1409         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1410             atsuTags, atsuSizes, atsuValues ) ;
1411     }
1412     {
1413         CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
1414         ATSUAttributeTag atsuTags[] =
1415         {
1416             kATSUCGContextTag ,
1417         } ;
1418         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1419         {
1420             sizeof( CGContextRef ) ,
1421         } ;
1422         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1423         {
1424             &cgContext ,
1425         } ;
1426         status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1427             atsuTags, atsuSizes, atsuValues ) ;
1428     }
1429
1430     ATSUTextMeasurement textBefore ;
1431     ATSUTextMeasurement textAfter ;
1432     ATSUTextMeasurement ascent ;
1433     ATSUTextMeasurement descent ;
1434
1435     status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1436         &textBefore , &textAfter, &ascent , &descent );
1437     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1438
1439     Rect rect ;
1440
1441     if ( m_backgroundMode == wxSOLID )
1442     {
1443         wxGraphicPath* path = m_graphicContext->CreatePath() ;
1444         path->MoveToPoint(
1445             drawX ,
1446             drawY ) ;
1447         path->AddLineToPoint(
1448             (int) (drawX + sin(angle/RAD2DEG) * FixedToInt(ascent + descent)) ,
1449             (int) (drawY + cos(angle/RAD2DEG) * FixedToInt(ascent + descent)) ) ;
1450         path->AddLineToPoint(
1451             (int) (drawX + sin(angle/RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle/RAD2DEG) * FixedToInt(textAfter)) ,
1452             (int) (drawY + cos(angle/RAD2DEG) * FixedToInt(ascent + descent) - sin(angle/RAD2DEG) * FixedToInt(textAfter)) ) ;
1453         path->AddLineToPoint(
1454             (int) (drawX + cos(angle/RAD2DEG) * FixedToInt(textAfter)) ,
1455             (int) (drawY - sin(angle/RAD2DEG) * FixedToInt(textAfter)) ) ;
1456
1457         m_graphicContext->FillPath( path , m_textBackgroundColour ) ;
1458         delete path ;
1459     }
1460
1461     drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1462     drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1463
1464     status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1465         IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1466     wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1467
1468     CGContextSaveGState(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext());
1469     CGContextTranslateCTM(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext(), drawX, drawY);
1470     CGContextScaleCTM(dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext(), 1, -1);
1471     status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1472         IntToFixed(0) , IntToFixed(0) );
1473     wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1474     CGContextRestoreGState( dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ) ;
1475
1476     CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1477     CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1478
1479     ::ATSUDisposeTextLayout(atsuLayout);
1480 #if SIZEOF_WCHAR_T == 4
1481     free( ubuf ) ;
1482 #endif
1483 }
1484
1485 void  wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1486 {
1487     wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText  Invalid DC"));
1488     DoDrawRotatedText( strtext , x , y , 0.0 ) ;
1489 }
1490
1491 bool  wxDC::CanGetTextExtent() const
1492 {
1493     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1494     return true ;
1495 }
1496
1497 void  wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
1498                             wxCoord *descent, wxCoord *externalLeading ,
1499                             wxFont *theFont ) const
1500 {
1501     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1502     wxFont formerFont = m_font ;
1503     if ( theFont )
1504     {
1505         // work around the constness
1506         *((wxFont*)(&m_font)) = *theFont ;
1507         MacInstallFont() ;
1508     }
1509
1510     if ( str.Length() == 0 )
1511         return ;
1512
1513     wxCHECK_RET( m_macATSUIStyle != NULL , wxT("No valid font set") ) ;
1514
1515     OSStatus status = noErr ;
1516     ATSUTextLayout atsuLayout ;
1517     UniCharCount chars = str.Length() ;
1518     UniChar* ubuf = NULL ;
1519 #if SIZEOF_WCHAR_T == 4
1520         wxMBConvUTF16BE converter ;
1521 #if wxUSE_UNICODE
1522         size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1523         ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1524         converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1525 #else
1526     const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1527         size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1528         ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1529         converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1530 #endif
1531     chars = unicharlen / 2 ;
1532 #else
1533 #if wxUSE_UNICODE
1534     ubuf = (UniChar*) str.wc_str() ;
1535 #else
1536     wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1537     chars = wxWcslen( wchar.data() ) ;
1538     ubuf = (UniChar*) wchar.data() ;
1539 #endif
1540 #endif
1541
1542
1543     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1544         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1545
1546     wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
1547
1548     ATSUTextMeasurement textBefore ;
1549     ATSUTextMeasurement textAfter ;
1550     ATSUTextMeasurement textAscent ;
1551     ATSUTextMeasurement textDescent ;
1552
1553     status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1554         &textBefore , &textAfter, &textAscent , &textDescent );
1555
1556     if ( height )
1557         *height = YDEV2LOGREL( FixedToInt(textAscent + textDescent) ) ;
1558     if ( descent )
1559         *descent =YDEV2LOGREL( FixedToInt(textDescent) );
1560     if ( externalLeading )
1561         *externalLeading = 0 ;
1562     if ( width )
1563         *width = XDEV2LOGREL( FixedToInt(textAfter - textBefore) ) ;
1564
1565     ::ATSUDisposeTextLayout(atsuLayout);
1566 #if SIZEOF_WCHAR_T == 4
1567     free( ubuf ) ;
1568 #endif
1569     if ( theFont )
1570     {
1571         // work around the constness
1572         *((wxFont*)(&m_font)) = formerFont ;
1573         MacInstallFont() ;
1574     }
1575 }
1576
1577
1578 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1579 {
1580     wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1581
1582     widths.Empty();
1583     widths.Add(0, text.Length());
1584
1585     if (text.Length() == 0)
1586         return false;
1587
1588     ATSUTextLayout atsuLayout ;
1589     UniCharCount chars = text.Length() ;
1590     UniChar* ubuf = NULL ;
1591 #if SIZEOF_WCHAR_T == 4
1592     wxMBConvUTF16BE converter ;
1593 #if wxUSE_UNICODE
1594     size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ) ;
1595     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1596     converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ) ;
1597 #else
1598     const wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1599     size_t unicharlen = converter.WC2MB( NULL , wchar.data()  , 0 ) ;
1600     ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1601     converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1602 #endif
1603     chars = unicharlen / 2 ;
1604 #else
1605 #if wxUSE_UNICODE
1606     ubuf = (UniChar*) text.wc_str() ;
1607 #else
1608     wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1609     chars = wxWcslen( wchar.data() ) ;
1610     ubuf = (UniChar*) wchar.data() ;
1611 #endif
1612 #endif
1613
1614         OSStatus status;
1615     status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1616         &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1617
1618         for ( int pos = 0; pos < chars; pos ++ ) {
1619                         unsigned long actualNumberOfBounds = 0;
1620                         ATSTrapezoid glyphBounds;
1621
1622                         // We get a single bound, since the text should only require one. If it requires more, there is an issue
1623                         OSStatus result;
1624                         result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
1625                         if (result != noErr || actualNumberOfBounds != 1 )
1626                         {
1627                                 return false;
1628                         }
1629
1630                         widths[pos] = XDEV2LOGREL(FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ));
1631                         //unsigned char uch = s[i];
1632
1633         }
1634     ::ATSUDisposeTextLayout(atsuLayout);
1635     return true;
1636 }
1637
1638 wxCoord   wxDC::GetCharWidth(void) const
1639 {
1640     wxCoord width ;
1641     DoGetTextExtent(wxT("g") , &width , NULL , NULL , NULL , NULL ) ;
1642     return width ;
1643 }
1644
1645 wxCoord   wxDC::GetCharHeight(void) const
1646 {
1647     wxCoord height ;
1648     DoGetTextExtent(wxT("g") , NULL , &height , NULL , NULL , NULL ) ;
1649     return height ;
1650 }
1651
1652 void  wxDC::Clear(void)
1653 {
1654     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1655
1656     if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1657     {
1658         HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ;
1659         CGContextRef cg = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
1660         switch( m_backgroundBrush.MacGetBrushKind() )
1661         {
1662             case kwxMacBrushTheme :
1663                 {
1664 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1665                     if ( HIThemeSetFill != 0 )
1666                     {
1667                         HIThemeSetFill( m_backgroundBrush.MacGetTheme() , cg ) ;
1668                         CGContextFillRect(cg, rect);
1669
1670                     }
1671                     else
1672 #endif
1673                     {
1674                                         RGBColor        color;
1675                                         GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme() , 32, true, &color );
1676                                         CGContextSetRGBFillColor( cg , (float) color.red / 65536,
1677                                                         (float) color.green / 65536, (float) color.blue / 65536, 1 );
1678                                         CGContextFillRect( cg, rect );
1679                     }
1680                     // reset to normal value
1681                     RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
1682                     CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
1683                 }
1684             break ;
1685             case kwxMacBrushThemeBackground :
1686                 {
1687                     wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ;
1688 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1689                     if ( HIThemeDrawBackground != 0 )
1690                     {
1691                         HIThemeBackgroundDrawInfo drawInfo ;
1692                         drawInfo.version = 0 ;
1693                         drawInfo.state = kThemeStateActive ;
1694                         drawInfo.kind = m_backgroundBrush.MacGetThemeBackground(NULL) ;
1695                         if ( drawInfo.kind == kThemeBackgroundMetal )
1696                             HIThemeDrawBackground( &rect , &drawInfo, cg ,
1697                                 kHIThemeOrientationNormal) ;
1698                             HIThemeApplyBackground( &rect , &drawInfo, cg ,
1699                                 kHIThemeOrientationNormal) ;
1700                     }
1701                     else
1702 #endif
1703                     {
1704                     }
1705                 }
1706             break ;
1707             case kwxMacBrushColour :
1708             {
1709                 RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ;
1710                 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
1711                 CGContextFillRect(cg, rect);
1712
1713                 // reset to normal value
1714                 col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
1715                 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
1716             }
1717             break ;
1718         }
1719     }
1720 }
1721
1722 void wxDC::MacInstallFont() const
1723 {
1724     wxCHECK_RET(Ok(), wxT("Invalid DC"));
1725
1726     if( m_macATSUIStyle )
1727     {
1728         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
1729         m_macATSUIStyle = NULL ;
1730     }
1731
1732     if ( m_font.Ok() )
1733     {
1734         OSStatus status = noErr ;
1735         status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1736         wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1737
1738         Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1739         RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ;
1740         ATSUAttributeTag atsuTags[] =
1741         {
1742                 kATSUSizeTag ,
1743                 kATSUColorTag ,
1744         } ;
1745         ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1746         {
1747                 sizeof( Fixed ) ,
1748                 sizeof( RGBColor ) ,
1749         } ;
1750     //    Boolean kTrue = true ;
1751     //    Boolean kFalse = false ;
1752
1753     //    ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1754         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1755         {
1756                 &atsuSize ,
1757                 &atsuColor ,
1758         } ;
1759         status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1760             atsuTags, atsuSizes, atsuValues);
1761
1762         wxASSERT_MSG( status == noErr , wxT("couldn't Modify ATSU style") ) ;
1763     }
1764 }
1765
1766 // ---------------------------------------------------------------------------
1767 // coordinates transformations
1768 // ---------------------------------------------------------------------------
1769
1770 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
1771 {
1772     return ((wxDC *)this)->XDEV2LOG(x);
1773 }
1774
1775 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
1776 {
1777     return ((wxDC *)this)->YDEV2LOG(y);
1778 }
1779
1780 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
1781 {
1782     return ((wxDC *)this)->XDEV2LOGREL(x);
1783 }
1784
1785 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
1786 {
1787     return ((wxDC *)this)->YDEV2LOGREL(y);
1788 }
1789
1790 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
1791 {
1792     return ((wxDC *)this)->XLOG2DEV(x);
1793 }
1794
1795 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
1796 {
1797     return ((wxDC *)this)->YLOG2DEV(y);
1798 }
1799
1800 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
1801 {
1802     return ((wxDC *)this)->XLOG2DEVREL(x);
1803 }
1804
1805 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
1806 {
1807     return ((wxDC *)this)->YLOG2DEVREL(y);
1808 }
1809
1810 #endif // wxMAC_USE_CORE_GRAPHICS
1811