src/osx/carbon/graphics.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/dccg.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/graphics.h"
  15 #include "wx/private/graphics.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/dcclient.h"
  19     #include "wx/dcmemory.h"
  20     #include "wx/dcprint.h"
  21     #include "wx/log.h"
  22     #include "wx/region.h"
  23     #include "wx/image.h"
  24     #include "wx/icon.h"
  25 #endif
  26
  27
  28 #ifdef __MSL__
  29     #if __MSL__ >= 0x6000
  30         #include "math.h"
  31         // in case our functions were defined outside std, we make it known all the same
  32         namespace std { }
  33         using namespace std;
  34     #endif
  35 #endif
  36
  37 #ifdef __WXMAC__
  38     #include "wx/osx/private.h"
  39     #include "wx/osx/dcprint.h"
  40     #include "wx/osx/dcclient.h"
  41     #include "wx/osx/dcmemory.h"
  42 #if wxOSX_USE_CARBON
  43 #include "wx/osx/uma.h"
  44 #else
  45 #include "wx/osx/private.h"
  46 #endif
  47
  48 #else
  49     #include "CoreServices/CoreServices.h"
  50     #include "ApplicationServices/ApplicationServices.h"
  51     #include "wx/osx/core/cfstring.h"
  52     #include "wx/cocoa/dcclient.h"
  53 #endif
  54
  55 #ifdef __WXCOCOA__
  56
  57 CGColorSpaceRef wxMacGetGenericRGBColorSpace()
  58 {
  59     static wxCFRef<CGColorSpaceRef> genericRGBColorSpace;
  60
  61     if (genericRGBColorSpace == NULL)
  62     {
  63         genericRGBColorSpace.reset( CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB ) );
  64     }
  65
  66     return genericRGBColorSpace;
  67 }
  68
  69 int UMAGetSystemVersion()
  70 {
  71     return 0x1050;
  72 }
  73
  74
  75 #define wxOSX_USE_CORE_TEXT 1
  76
  77 #endif
  78
  79 #if wxOSX_USE_COCOA_OR_IPHONE
  80 extern CGContextRef wxOSXGetContextFromCurrentNSContext() ;
  81 extern void wxOSXLockFocus( WXWidget view) ;
  82 extern void wxOSXUnlockFocus( WXWidget view) ;
  83 #endif
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // constants
  88 //-----------------------------------------------------------------------------
  89
  90 #if !defined( __DARWIN__ ) || defined(__MWERKS__)
  91 #ifndef M_PI
  92 const double M_PI = 3.14159265358979;
  93 #endif
  94 #endif
  95
  96 static const double RAD2DEG = 180.0 / M_PI;
  97
  98 //
  99 // Pen, Brushes and Fonts
 100 //
 101
 102 #pragma mark -
 103 #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
 104
 105 OSStatus wxMacDrawCGImage(
 106                   CGContextRef    inContext,
 107                   const CGRect *  inBounds,
 108                   CGImageRef      inImage)
 109 {
 110 #if wxOSX_USE_CARBON
 111     return HIViewDrawCGImage( inContext, inBounds, inImage );
 112 #else
 113     CGContextSaveGState(inContext);
 114     CGContextTranslateCTM(inContext, inBounds->origin.x, inBounds->origin.y + inBounds->size.height);
 115     CGRect r = *inBounds;
 116     r.origin.x = r.origin.y = 0;
 117     CGContextScaleCTM(inContext, 1, -1);
 118     CGContextDrawImage(inContext, r, inImage );
 119     CGContextRestoreGState(inContext);
 120     return noErr;
 121 #endif
 122 }
 123
 124 CGColorRef wxMacCreateCGColor( const wxColour& col )
 125 {
 126     CGColorRef retval = 0;
 127 #ifdef __WXMAC__
 128     retval = col.CreateCGColor();
 129 #else
 130 // TODO add conversion NSColor - CGColorRef (obj-c)
 131 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
 132     if ( CGColorCreateGenericRGB )
 133         retval = CGColorCreateGenericRGB( col.Red() / 255.0 , col.Green() / 255.0, col.Blue() / 255.0, col.Alpha() / 255.0 );
 134     else
 135 #endif
 136     {
 137         CGFloat components[4] = { col.Red() / 255.0, col.Green() / 255.0, col.Blue()  / 255.0, col.Alpha() / 255.0 } ;
 138         retval = CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ;
 139     }
 140
 141 #endif
 142     return retval;
 143 }
 144
 145 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && wxOSX_USE_CORE_TEXT
 146
 147 CTFontRef wxMacCreateCTFont( const wxFont& font )
 148 {
 149 #ifdef __WXMAC__
 150     return wxCFRetain((CTFontRef) font.MacGetCTFont());
 151 #else
 152     return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL );
 153 #endif
 154 }
 155
 156 #endif
 157
 158 // CGPattern wrapper class: always allocate on heap, never call destructor
 159
 160 class wxMacCoreGraphicsPattern
 161 {
 162 public :
 163     wxMacCoreGraphicsPattern() {}
 164
 165     // is guaranteed to be called only with a non-Null CGContextRef
 166     virtual void Render( CGContextRef ctxRef ) = 0;
 167
 168     operator CGPatternRef() const { return m_patternRef; }
 169
 170 protected :
 171     virtual ~wxMacCoreGraphicsPattern()
 172     {
 173         // as this is called only when the m_patternRef is been released;
 174         // don't release it again
 175     }
 176
 177     static void _Render( void *info, CGContextRef ctxRef )
 178     {
 179         wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
 180         if ( self && ctxRef )
 181             self->Render( ctxRef );
 182     }
 183
 184     static void _Dispose( void *info )
 185     {
 186         wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
 187         delete self;
 188     }
 189
 190     CGPatternRef m_patternRef;
 191
 192     static const CGPatternCallbacks ms_Callbacks;
 193 };
 194
 195 const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
 196
 197 class ImagePattern : public wxMacCoreGraphicsPattern
 198 {
 199 public :
 200     ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
 201     {
 202         wxASSERT( bmp && bmp->Ok() );
 203 #ifdef __WXMAC__
 204         Init( (CGImageRef) bmp->CreateCGImage() , transform );
 205 #endif
 206     }
 207
 208     // ImagePattern takes ownership of CGImageRef passed in
 209     ImagePattern( CGImageRef image , const CGAffineTransform& transform )
 210     {
 211         if ( image )
 212             CFRetain( image );
 213
 214         Init( image , transform );
 215     }
 216
 217     virtual void Render( CGContextRef ctxRef )
 218     {
 219         if (m_image != NULL)
 220             wxMacDrawCGImage( ctxRef, &m_imageBounds, m_image );
 221     }
 222
 223 protected :
 224     void Init( CGImageRef image, const CGAffineTransform& transform )
 225     {
 226         m_image = image;
 227         if ( m_image )
 228         {
 229             m_imageBounds = CGRectMake( (CGFloat) 0.0, (CGFloat) 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) );
 230             m_patternRef = CGPatternCreate(
 231                 this , m_imageBounds, transform ,
 232                 m_imageBounds.size.width, m_imageBounds.size.height,
 233                 kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks );
 234         }
 235     }
 236
 237     virtual ~ImagePattern()
 238     {
 239         if ( m_image )
 240             CGImageRelease( m_image );
 241     }
 242
 243     CGImageRef m_image;
 244     CGRect m_imageBounds;
 245 };
 246
 247 class HatchPattern : public wxMacCoreGraphicsPattern
 248 {
 249 public :
 250     HatchPattern( int hatchstyle, const CGAffineTransform& transform )
 251     {
 252         m_hatch = hatchstyle;
 253         m_imageBounds = CGRectMake( (CGFloat) 0.0, (CGFloat) 0.0, (CGFloat) 8.0 , (CGFloat) 8.0 );
 254         m_patternRef = CGPatternCreate(
 255             this , m_imageBounds, transform ,
 256             m_imageBounds.size.width, m_imageBounds.size.height,
 257             kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks );
 258     }
 259
 260     void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
 261     {
 262         CGContextStrokeLineSegments( ctxRef , pts , count );
 263     }
 264
 265     virtual void Render( CGContextRef ctxRef )
 266     {
 267         switch ( m_hatch )
 268         {
 269             case wxBDIAGONAL_HATCH :
 270                 {
 271                     CGPoint pts[] =
 272                     {
 273                     { (CGFloat) 8.0 , (CGFloat) 0.0 } , { (CGFloat) 0.0 , (CGFloat) 8.0 }
 274                     };
 275                     StrokeLineSegments( ctxRef , pts , 2 );
 276                 }
 277                 break;
 278
 279             case wxCROSSDIAG_HATCH :
 280                 {
 281                     CGPoint pts[] =
 282                     {
 283                         { (CGFloat) 0.0 , (CGFloat) 0.0 } , { (CGFloat) 8.0 , (CGFloat) 8.0 } ,
 284                         { (CGFloat) 8.0 , (CGFloat) 0.0 } , { (CGFloat) 0.0 , (CGFloat) 8.0 }
 285                     };
 286                     StrokeLineSegments( ctxRef , pts , 4 );
 287                 }
 288                 break;
 289
 290             case wxFDIAGONAL_HATCH :
 291                 {
 292                     CGPoint pts[] =
 293                     {
 294                     { (CGFloat) 0.0 , (CGFloat) 0.0 } , { (CGFloat) 8.0 , (CGFloat) 8.0 }
 295                     };
 296                     StrokeLineSegments( ctxRef , pts , 2 );
 297                 }
 298                 break;
 299
 300             case wxCROSS_HATCH :
 301                 {
 302                     CGPoint pts[] =
 303                     {
 304                     { (CGFloat) 0.0 , (CGFloat) 4.0 } , { (CGFloat) 8.0 , (CGFloat) 4.0 } ,
 305                     { (CGFloat) 4.0 , (CGFloat) 0.0 } , { (CGFloat) 4.0 , (CGFloat) 8.0 } ,
 306                     };
 307                     StrokeLineSegments( ctxRef , pts , 4 );
 308                 }
 309                 break;
 310
 311             case wxHORIZONTAL_HATCH :
 312                 {
 313                     CGPoint pts[] =
 314                     {
 315                     { (CGFloat) 0.0 , (CGFloat) 4.0 } , { (CGFloat) 8.0 , (CGFloat) 4.0 } ,
 316                     };
 317                     StrokeLineSegments( ctxRef , pts , 2 );
 318                 }
 319                 break;
 320
 321             case wxVERTICAL_HATCH :
 322                 {
 323                     CGPoint pts[] =
 324                     {
 325                     { (CGFloat) 4.0 , (CGFloat) 0.0 } , { (CGFloat) 4.0 , (CGFloat) 8.0 } ,
 326                     };
 327                     StrokeLineSegments( ctxRef , pts , 2 );
 328                 }
 329                 break;
 330
 331             default:
 332                 break;
 333         }
 334     }
 335
 336 protected :
 337     virtual ~HatchPattern() {}
 338
 339     CGRect      m_imageBounds;
 340     int         m_hatch;
 341 };
 342
 343 class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData
 344 {
 345 public:
 346     wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
 347     ~wxMacCoreGraphicsPenData();
 348
 349     void Init();
 350     virtual void Apply( wxGraphicsContext* context );
 351     virtual wxDouble GetWidth() { return m_width; }
 352
 353 protected :
 354     CGLineCap m_cap;
 355     wxCFRef<CGColorRef> m_color;
 356     wxCFRef<CGColorSpaceRef> m_colorSpace;
 357
 358     CGLineJoin m_join;
 359     CGFloat m_width;
 360
 361     int m_count;
 362     const CGFloat *m_lengths;
 363     CGFloat *m_userLengths;
 364
 365
 366     bool m_isPattern;
 367     wxCFRef<CGPatternRef> m_pattern;
 368     CGFloat* m_patternColorComponents;
 369 };
 370
 371 wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) :
 372     wxGraphicsObjectRefData( renderer )
 373 {
 374     Init();
 375
 376     m_color.reset( wxMacCreateCGColor( pen.GetColour() ) ) ;
 377
 378     // TODO: * m_dc->m_scaleX
 379     m_width = pen.GetWidth();
 380     if (m_width <= 0.0)
 381         m_width = (CGFloat) 0.1;
 382
 383     switch ( pen.GetCap() )
 384     {
 385         case wxCAP_ROUND :
 386             m_cap = kCGLineCapRound;
 387             break;
 388
 389         case wxCAP_PROJECTING :
 390             m_cap = kCGLineCapSquare;
 391             break;
 392
 393         case wxCAP_BUTT :
 394             m_cap = kCGLineCapButt;
 395             break;
 396
 397         default :
 398             m_cap = kCGLineCapButt;
 399             break;
 400     }
 401
 402     switch ( pen.GetJoin() )
 403     {
 404         case wxJOIN_BEVEL :
 405             m_join = kCGLineJoinBevel;
 406             break;
 407
 408         case wxJOIN_MITER :
 409             m_join = kCGLineJoinMiter;
 410             break;
 411
 412         case wxJOIN_ROUND :
 413             m_join = kCGLineJoinRound;
 414             break;
 415
 416         default :
 417             m_join = kCGLineJoinMiter;
 418             break;
 419     }
 420
 421     const CGFloat dashUnit = m_width < 1.0 ? (CGFloat) 1.0 : m_width;
 422
 423     const CGFloat dotted[] = { (CGFloat) dashUnit , (CGFloat) (dashUnit + 2.0) };
 424     static const CGFloat short_dashed[] = { (CGFloat) 9.0 , (CGFloat) 6.0 };
 425     static const CGFloat dashed[] = { (CGFloat) 19.0 , (CGFloat) 9.0 };
 426     static const CGFloat dotted_dashed[] = { (CGFloat) 9.0 , (CGFloat) 6.0 , (CGFloat) 3.0 , (CGFloat) 3.0 };
 427
 428     switch ( pen.GetStyle() )
 429     {
 430         case wxSOLID :
 431             break;
 432
 433         case wxDOT :
 434             m_count = WXSIZEOF(dotted);
 435             m_userLengths = new CGFloat[ m_count ] ;
 436             memcpy( m_userLengths, dotted, sizeof(dotted) );
 437             m_lengths = m_userLengths;
 438             break;
 439
 440         case wxLONG_DASH :
 441             m_count = WXSIZEOF(dashed);
 442             m_lengths = dashed;
 443             break;
 444
 445         case wxSHORT_DASH :
 446             m_count = WXSIZEOF(short_dashed);
 447             m_lengths = short_dashed;
 448             break;
 449
 450         case wxDOT_DASH :
 451             m_count = WXSIZEOF(dotted_dashed);
 452             m_lengths = dotted_dashed;
 453             break;
 454
 455         case wxUSER_DASH :
 456             wxDash *dashes;
 457             m_count = pen.GetDashes( &dashes );
 458             if ((dashes != NULL) && (m_count > 0))
 459             {
 460                 m_userLengths = new CGFloat[m_count];
 461                 for ( int i = 0; i < m_count; ++i )
 462                 {
 463                     m_userLengths[i] = dashes[i] * dashUnit;
 464
 465                     if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 )
 466                         m_userLengths[i] = (CGFloat) (dashUnit + 2.0);
 467                     else if ( i % 2 == 0 && m_userLengths[i] < dashUnit )
 468                         m_userLengths[i] = dashUnit;
 469                 }
 470             }
 471             m_lengths = m_userLengths;
 472             break;
 473
 474         case wxSTIPPLE :
 475             {
 476                 wxBitmap* bmp = pen.GetStipple();
 477                 if ( bmp && bmp->Ok() )
 478                 {
 479                     m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) );
 480                     m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
 481                     m_patternColorComponents = new CGFloat[1] ;
 482                     m_patternColorComponents[0] = (CGFloat) 1.0;
 483                     m_isPattern = true;
 484                 }
 485             }
 486             break;
 487
 488         default :
 489             {
 490                 m_isPattern = true;
 491                 m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
 492                 m_pattern.reset( (CGPatternRef) *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
 493                 m_patternColorComponents = new CGFloat[4] ;
 494                 m_patternColorComponents[0] = (CGFloat) (pen.GetColour().Red() / 255.0);
 495                 m_patternColorComponents[1] = (CGFloat) (pen.GetColour().Green() / 255.0);
 496                 m_patternColorComponents[2] = (CGFloat) (pen.GetColour().Blue() / 255.0);
 497                 m_patternColorComponents[3] =  (CGFloat) (pen.GetColour().Alpha() / 255.0);
 498             }
 499             break;
 500     }
 501     if ((m_lengths != NULL) && (m_count > 0))
 502     {
 503         // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
 504         m_cap = kCGLineCapButt;
 505     }
 506 }
 507
 508 wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData()
 509 {
 510     delete[] m_userLengths;
 511     delete[] m_patternColorComponents;
 512 }
 513
 514 void wxMacCoreGraphicsPenData::Init()
 515 {
 516     m_lengths = NULL;
 517     m_userLengths = NULL;
 518     m_width = 0;
 519     m_count = 0;
 520     m_patternColorComponents = NULL;
 521     m_isPattern = false;
 522 }
 523
 524 void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
 525 {
 526     CGContextRef cg = (CGContextRef) context->GetNativeContext();
 527     CGContextSetLineWidth( cg , m_width );
 528     CGContextSetLineJoin( cg , m_join );
 529
 530     CGContextSetLineDash( cg , 0 , m_lengths , m_count );
 531     CGContextSetLineCap( cg , m_cap );
 532
 533     if ( m_isPattern )
 534     {
 535         CGAffineTransform matrix = CGContextGetCTM( cg );
 536         CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) );
 537         CGContextSetStrokeColorSpace( cg , m_colorSpace );
 538         CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
 539     }
 540     else
 541     {
 542         if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR )
 543         {
 544             CGContextSetRGBStrokeColor( cg , (CGFloat) 1.0,(CGFloat)  1.0 , (CGFloat) 1.0, (CGFloat) 1.0 );
 545         }
 546         else
 547             CGContextSetStrokeColorWithColor( cg , m_color );
 548     }
 549 }
 550
 551 //
 552 // Brush
 553 //
 554
 555 static const char *gs_stripedback_xpm[] = {
 556 /* columns rows colors chars-per-pixel */
 557 "4 4 2 1",
 558 ". c #F0F0F0",
 559 "X c #ECECEC",
 560 /* pixels */
 561 "....",
 562 "....",
 563 "XXXX",
 564 "XXXX"
 565 };
 566
 567 wxBitmap gs_stripedback_bmp( wxImage( (const char* const* ) gs_stripedback_xpm  ), -1 ) ;
 568
 569 // make sure we all use one class for all conversions from wx to native colour
 570
 571 class wxMacCoreGraphicsColour
 572 {
 573     public:
 574         wxMacCoreGraphicsColour();
 575         wxMacCoreGraphicsColour(const wxBrush &brush);
 576         ~wxMacCoreGraphicsColour();
 577
 578         void Apply( CGContextRef cgContext );
 579     protected:
 580         void Init();
 581         wxCFRef<CGColorRef> m_color;
 582         wxCFRef<CGColorSpaceRef> m_colorSpace;
 583
 584         bool m_isPattern;
 585         wxCFRef<CGPatternRef> m_pattern;
 586         CGFloat* m_patternColorComponents;
 587 } ;
 588
 589 wxMacCoreGraphicsColour::~wxMacCoreGraphicsColour()
 590 {
 591     delete[] m_patternColorComponents;
 592 }
 593
 594 void wxMacCoreGraphicsColour::Init()
 595 {
 596     m_isPattern = false;
 597     m_patternColorComponents = NULL;
 598 }
 599
 600 void wxMacCoreGraphicsColour::Apply( CGContextRef cgContext )
 601 {
 602     if ( m_isPattern )
 603     {
 604         CGAffineTransform matrix = CGContextGetCTM( cgContext );
 605         CGContextSetPatternPhase( cgContext, CGSizeMake(matrix.tx, matrix.ty) );
 606         CGContextSetFillColorSpace( cgContext , m_colorSpace );
 607         CGContextSetFillPattern( cgContext, m_pattern , m_patternColorComponents );
 608     }
 609     else
 610     {
 611         CGContextSetFillColorWithColor( cgContext, m_color );
 612     }
 613 }
 614
 615 wxMacCoreGraphicsColour::wxMacCoreGraphicsColour()
 616 {
 617     Init();
 618 }
 619
 620 wxMacCoreGraphicsColour::wxMacCoreGraphicsColour( const wxBrush &brush )
 621 {
 622     Init();
 623     if ( brush.GetStyle() == wxSOLID )
 624     {
 625         m_color.reset( wxMacCreateCGColor( brush.GetColour() ));
 626     }
 627     else if ( brush.IsHatch() )
 628     {
 629         m_isPattern = true;
 630         m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
 631         m_pattern.reset( (CGPatternRef) *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) );
 632
 633         m_patternColorComponents = new CGFloat[4] ;
 634         m_patternColorComponents[0] = (CGFloat) (brush.GetColour().Red() / 255.0);
 635         m_patternColorComponents[1] = (CGFloat) (brush.GetColour().Green() / 255.0);
 636         m_patternColorComponents[2] = (CGFloat) (brush.GetColour().Blue() / 255.0);
 637         m_patternColorComponents[3] = (CGFloat) (brush.GetColour().Alpha() / 255.0);
 638     }
 639     else
 640     {
 641         // now brush is a bitmap
 642         wxBitmap* bmp = brush.GetStipple();
 643         if ( bmp && bmp->Ok() )
 644         {
 645             m_isPattern = true;
 646             m_patternColorComponents = new CGFloat[1] ;
 647             m_patternColorComponents[0] = (CGFloat) 1.0;
 648             m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) );
 649             m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) );
 650         }
 651     }
 652 }
 653
 654 class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData
 655 {
 656 public:
 657     wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer );
 658     wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
 659     ~wxMacCoreGraphicsBrushData ();
 660
 661     virtual void Apply( wxGraphicsContext* context );
 662     void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
 663         const wxColour&c1, const wxColour&c2 );
 664     void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
 665     const wxColour &oColor, const wxColour &cColor );
 666
 667     virtual bool IsShading() { return m_isShading; }
 668     CGShadingRef GetShading() { return m_shading; }
 669 protected:
 670     CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 );
 671     static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out);
 672     virtual void Init();
 673
 674     wxMacCoreGraphicsColour m_cgColor;
 675
 676     bool m_isShading;
 677     CGFunctionRef m_gradientFunction;
 678     CGShadingRef m_shading;
 679     CGFloat *m_gradientComponents;
 680 };
 681
 682 wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer )
 683 {
 684     Init();
 685 }
 686
 687 void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
 688         const wxColour&c1, const wxColour&c2 )
 689 {
 690     m_gradientFunction = CreateGradientFunction( c1, c2 );
 691     m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake((CGFloat) x1, (CGFloat) y1),
 692                                         CGPointMake((CGFloat) x2,(CGFloat) y2), m_gradientFunction, true, true ) ;
 693     m_isShading = true ;
 694 }
 695
 696 void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
 697     const wxColour &oColor, const wxColour &cColor )
 698 {
 699     m_gradientFunction = CreateGradientFunction( oColor, cColor );
 700     m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake((CGFloat) xo,(CGFloat) yo), 0,
 701                                         CGPointMake((CGFloat) xc,(CGFloat) yc), (CGFloat) radius, m_gradientFunction, true, true ) ;
 702     m_isShading = true ;
 703 }
 704
 705 wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ),
 706     m_cgColor( brush )
 707 {
 708     Init();
 709
 710 }
 711
 712 wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()
 713 {
 714     if ( m_shading )
 715         CGShadingRelease(m_shading);
 716
 717     if( m_gradientFunction )
 718         CGFunctionRelease(m_gradientFunction);
 719
 720     delete[] m_gradientComponents;
 721 }
 722
 723 void wxMacCoreGraphicsBrushData::Init()
 724 {
 725     m_gradientFunction = NULL;
 726     m_shading = NULL;
 727     m_gradientComponents = NULL;
 728     m_isShading = false;
 729 }
 730
 731 void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context )
 732 {
 733     CGContextRef cg = (CGContextRef) context->GetNativeContext();
 734
 735     if ( m_isShading )
 736     {
 737         // nothing to set as shades are processed by clipping using the path and filling
 738     }
 739     else
 740     {
 741         m_cgColor.Apply( cg );
 742     }
 743 }
 744
 745 void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out)
 746 {
 747     CGFloat* colors = (CGFloat*) info ;
 748     CGFloat f = *in;
 749     for( int i = 0 ; i < 4 ; ++i )
 750     {
 751         out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f;
 752     }
 753 }
 754
 755 CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 )
 756 {
 757     static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL };
 758     static const CGFloat input_value_range [2] = { 0, 1 };
 759     static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 };
 760     m_gradientComponents = new CGFloat[8] ;
 761     m_gradientComponents[0] = (CGFloat) (c1.Red() / 255.0);
 762     m_gradientComponents[1] = (CGFloat) (c1.Green() / 255.0);
 763     m_gradientComponents[2] = (CGFloat) (c1.Blue() / 255.0);
 764     m_gradientComponents[3] = (CGFloat) (c1.Alpha() / 255.0);
 765     m_gradientComponents[4] = (CGFloat) (c2.Red() / 255.0);
 766     m_gradientComponents[5] = (CGFloat) (c2.Green() / 255.0);
 767     m_gradientComponents[6] = (CGFloat) (c2.Blue() / 255.0);
 768     m_gradientComponents[7] = (CGFloat) (c2.Alpha() / 255.0);
 769
 770     return CGFunctionCreate ( m_gradientComponents,  1,
 771                             input_value_range,
 772                             4,
 773                             output_value_ranges,
 774                             &callbacks);
 775 }
 776
 777 //
 778 // Font
 779 //
 780
 781 #if wxOSX_USE_IPHONE
 782
 783 extern UIFont* CreateUIFont( const wxFont& font );
 784 extern void DrawTextInContext( CGContextRef context, CGPoint where, UIFont *font, NSString* text );
 785 extern CGSize MeasureTextInContext( UIFont *font, NSString* text );
 786
 787 #endif
 788
 789 class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData
 790 {
 791 public:
 792     wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
 793     ~wxMacCoreGraphicsFontData();
 794
 795 #if wxOSX_USE_ATSU_TEXT
 796     virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
 797 #endif
 798 #if wxOSX_USE_CORE_TEXT
 799     CTFontRef GetCTFont() const { return m_ctFont ; }
 800 #endif
 801     wxColour GetColour() const { return m_colour ; }
 802
 803     bool GetUnderlined() const { return m_underlined ; }
 804 #if wxOSX_USE_IPHONE
 805     UIFont* GetUIFont() const { return m_uiFont; }
 806 #endif
 807 private :
 808     wxColour m_colour;
 809     bool m_underlined;
 810 #if wxOSX_USE_ATSU_TEXT
 811     ATSUStyle m_macATSUIStyle;
 812 #endif
 813 #if wxOSX_USE_CORE_TEXT
 814     wxCFRef< CTFontRef > m_ctFont;
 815 #endif
 816 #if wxOSX_USE_IPHONE
 817     UIFont*  m_uiFont;
 818 #endif
 819 };
 820
 821 wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer )
 822 {
 823     m_colour = col;
 824     m_underlined = font.GetUnderlined();
 825
 826 #if wxOSX_USE_CORE_TEXT
 827     m_ctFont.reset( wxMacCreateCTFont( font ) );
 828 #endif
 829 #if wxOSX_USE_IPHONE
 830     m_uiFont = CreateUIFont(font);
 831     wxMacCocoaRetain( m_uiFont );
 832 #endif
 833 #if wxOSX_USE_ATSU_TEXT
 834     OSStatus status = noErr;
 835     m_macATSUIStyle = NULL;
 836
 837     status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
 838
 839     wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
 840
 841     // we need the scale here ...
 842
 843     Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
 844     RGBColor atsuColor ;
 845     col.GetRGBColor( &atsuColor );
 846     ATSUAttributeTag atsuTags[] =
 847     {
 848             kATSUSizeTag ,
 849             kATSUColorTag ,
 850     };
 851     ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 852     {
 853             sizeof( Fixed ) ,
 854             sizeof( RGBColor ) ,
 855     };
 856     ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 857     {
 858             &atsuSize ,
 859             &atsuColor ,
 860     };
 861
 862     status = ::ATSUSetAttributes(
 863         m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
 864         atsuTags, atsuSizes, atsuValues);
 865
 866     wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
 867 #endif
 868 }
 869
 870 wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
 871 {
 872 #if wxOSX_USE_CORE_TEXT
 873 #endif
 874 #if wxOSX_USE_ATSU_TEXT
 875     if ( m_macATSUIStyle )
 876     {
 877         ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
 878         m_macATSUIStyle = NULL;
 879     }
 880 #endif
 881 #if wxOSX_USE_IPHONE
 882     wxMacCocoaRelease( m_uiFont );
 883 #endif
 884 }
 885
 886 class wxMacCoreGraphicsBitmapData : public wxGraphicsObjectRefData
 887 {
 888 public:
 889     wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap, bool monochrome );
 890     ~wxMacCoreGraphicsBitmapData();
 891
 892     virtual CGImageRef GetBitmap() { return m_bitmap; }
 893     bool IsMonochrome() { return m_monochrome; }
 894 private :
 895     CGImageRef m_bitmap;
 896     bool m_monochrome;
 897 };
 898
 899 wxMacCoreGraphicsBitmapData::wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap, bool monochrome ) : wxGraphicsObjectRefData( renderer ),
 900     m_bitmap(bitmap), m_monochrome(monochrome)
 901 {
 902 }
 903
 904 wxMacCoreGraphicsBitmapData::~wxMacCoreGraphicsBitmapData()
 905 {
 906     CGImageRelease( m_bitmap );
 907 }
 908
 909 //
 910 // Graphics Matrix
 911 //
 912
 913 //-----------------------------------------------------------------------------
 914 // wxMacCoreGraphicsMatrix declaration
 915 //-----------------------------------------------------------------------------
 916
 917 class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData
 918 {
 919 public :
 920     wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ;
 921
 922     virtual ~wxMacCoreGraphicsMatrixData() ;
 923
 924     virtual wxGraphicsObjectRefData *Clone() const ;
 925
 926     // concatenates the matrix
 927     virtual void Concat( const wxGraphicsMatrixData *t );
 928
 929     // sets the matrix to the respective values
 930     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
 931         wxDouble tx=0.0, wxDouble ty=0.0);
 932
 933     // gets the component valuess of the matrix
 934     virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
 935                      wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
 936
 937     // makes this the inverse matrix
 938     virtual void Invert();
 939
 940     // returns true if the elements of the transformation matrix are equal ?
 941     virtual bool IsEqual( const wxGraphicsMatrixData* t) const ;
 942
 943     // return true if this is the identity matrix
 944     virtual bool IsIdentity() const;
 945
 946     //
 947     // transformation
 948     //
 949
 950     // add the translation to this matrix
 951     virtual void Translate( wxDouble dx , wxDouble dy );
 952
 953     // add the scale to this matrix
 954     virtual void Scale( wxDouble xScale , wxDouble yScale );
 955
 956     // add the rotation to this matrix (radians)
 957     virtual void Rotate( wxDouble angle );
 958
 959     //
 960     // apply the transforms
 961     //
 962
 963     // applies that matrix to the point
 964     virtual void TransformPoint( wxDouble *x, wxDouble *y ) const;
 965
 966     // applies the matrix except for translations
 967     virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const;
 968
 969     // returns the native representation
 970     virtual void * GetNativeMatrix() const;
 971
 972 private :
 973     CGAffineTransform m_matrix;
 974 } ;
 975
 976 //-----------------------------------------------------------------------------
 977 // wxMacCoreGraphicsMatrix implementation
 978 //-----------------------------------------------------------------------------
 979
 980 wxMacCoreGraphicsMatrixData::wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) : wxGraphicsMatrixData(renderer)
 981 {
 982 }
 983
 984 wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData()
 985 {
 986 }
 987
 988 wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const
 989 {
 990     wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ;
 991     m->m_matrix = m_matrix ;
 992     return m;
 993 }
 994
 995 // concatenates the matrix
 996 void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t )
 997 {
 998     m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) );
 999 }
1000
1001 // sets the matrix to the respective values
1002 void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
1003     wxDouble tx, wxDouble ty)
1004 {
1005     m_matrix = CGAffineTransformMake((CGFloat) a,(CGFloat) b,(CGFloat) c,(CGFloat) d,(CGFloat) tx,(CGFloat) ty);
1006 }
1007
1008 // gets the component valuess of the matrix
1009 void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b,  wxDouble* c,
1010                                       wxDouble* d, wxDouble* tx, wxDouble* ty) const
1011 {
1012     if (a)  *a = m_matrix.a;
1013     if (b)  *b = m_matrix.b;
1014     if (c)  *c = m_matrix.c;
1015     if (d)  *d = m_matrix.d;
1016     if (tx) *tx= m_matrix.tx;
1017     if (ty) *ty= m_matrix.ty;
1018 }
1019
1020 // makes this the inverse matrix
1021 void wxMacCoreGraphicsMatrixData::Invert()
1022 {
1023     m_matrix = CGAffineTransformInvert( m_matrix );
1024 }
1025
1026 // returns true if the elements of the transformation matrix are equal ?
1027 bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
1028 {
1029     return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
1030 }
1031
1032 // return true if this is the identity matrix
1033 bool wxMacCoreGraphicsMatrixData::IsIdentity() const
1034 {
1035     return ( m_matrix.a == 1 && m_matrix.d == 1 &&
1036         m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0);
1037 }
1038
1039 //
1040 // transformation
1041 //
1042
1043 // add the translation to this matrix
1044 void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy )
1045 {
1046     m_matrix = CGAffineTransformTranslate( m_matrix, (CGFloat) dx, (CGFloat) dy);
1047 }
1048
1049 // add the scale to this matrix
1050 void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale )
1051 {
1052     m_matrix = CGAffineTransformScale( m_matrix, (CGFloat) xScale, (CGFloat) yScale);
1053 }
1054
1055 // add the rotation to this matrix (radians)
1056 void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle )
1057 {
1058     m_matrix = CGAffineTransformRotate( m_matrix, (CGFloat) angle);
1059 }
1060
1061 //
1062 // apply the transforms
1063 //
1064
1065 // applies that matrix to the point
1066 void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
1067 {
1068     CGPoint pt = CGPointApplyAffineTransform( CGPointMake((CGFloat) *x,(CGFloat) *y), m_matrix);
1069
1070     *x = pt.x;
1071     *y = pt.y;
1072 }
1073
1074 // applies the matrix except for translations
1075 void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
1076 {
1077     CGSize sz = CGSizeApplyAffineTransform( CGSizeMake((CGFloat) *dx,(CGFloat) *dy) , m_matrix );
1078     *dx = sz.width;
1079     *dy = sz.height;
1080 }
1081
1082 // returns the native representation
1083 void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const
1084 {
1085     return (void*) &m_matrix;
1086 }
1087
1088 //
1089 // Graphics Path
1090 //
1091
1092 //-----------------------------------------------------------------------------
1093 // wxMacCoreGraphicsPath declaration
1094 //-----------------------------------------------------------------------------
1095
1096 class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData
1097 {
1098 public :
1099     wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL);
1100
1101     ~wxMacCoreGraphicsPathData();
1102
1103     virtual wxGraphicsObjectRefData *Clone() const;
1104
1105     // begins a new subpath at (x,y)
1106     virtual void MoveToPoint( wxDouble x, wxDouble y );
1107
1108     // adds a straight line from the current point to (x,y)
1109     virtual void AddLineToPoint( wxDouble x, wxDouble y );
1110
1111     // adds a cubic Bezier curve from the current point, using two control points and an end point
1112     virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
1113
1114     // closes the current sub-path
1115     virtual void CloseSubpath();
1116
1117     // gets the last point of the current path, (0,0) if not yet set
1118     virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
1119
1120     // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
1121     virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
1122
1123     //
1124     // These are convenience functions which - if not available natively will be assembled
1125     // using the primitives from above
1126     //
1127
1128     // adds a quadratic Bezier curve from the current point, using a control point and an end point
1129     virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
1130
1131     // appends a rectangle as a new closed subpath
1132     virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1133
1134     // appends an ellipsis as a new closed subpath fitting the passed rectangle
1135     virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
1136
1137     // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
1138     virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
1139
1140     // adds another path
1141     virtual void AddPath( const wxGraphicsPathData* path );
1142
1143     // returns the native path
1144     virtual void * GetNativePath() const { return m_path; }
1145
1146     // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
1147     virtual void UnGetNativePath(void *WXUNUSED(p)) const {}
1148
1149     // transforms each point of this path by the matrix
1150     virtual void Transform( const wxGraphicsMatrixData* matrix );
1151
1152     // gets the bounding box enclosing all points (possibly including control points)
1153     virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const;
1154
1155     virtual bool Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle = wxODDEVEN_RULE) const;
1156 private :
1157     CGMutablePathRef m_path;
1158 };
1159
1160 //-----------------------------------------------------------------------------
1161 // wxMacCoreGraphicsPath implementation
1162 //-----------------------------------------------------------------------------
1163
1164 wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer)
1165 {
1166     if ( path )
1167         m_path = path;
1168     else
1169         m_path = CGPathCreateMutable();
1170 }
1171
1172 wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData()
1173 {
1174     CGPathRelease( m_path );
1175 }
1176
1177 wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const
1178 {
1179     wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path));
1180     return clone ;
1181 }
1182
1183
1184 // opens (starts) a new subpath
1185 void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 )
1186 {
1187     CGPathMoveToPoint( m_path , NULL , (CGFloat) x1 , (CGFloat) y1 );
1188 }
1189
1190 void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 )
1191 {
1192     CGPathAddLineToPoint( m_path , NULL , (CGFloat) x1 , (CGFloat) y1 );
1193 }
1194
1195 void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
1196 {
1197     CGPathAddCurveToPoint( m_path , NULL , (CGFloat) cx1 , (CGFloat) cy1 , (CGFloat) cx2, (CGFloat) cy2, (CGFloat) x , (CGFloat) y );
1198 }
1199
1200 void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
1201 {
1202     CGPathAddQuadCurveToPoint( m_path , NULL , (CGFloat) cx1 , (CGFloat) cy1 , (CGFloat) x , (CGFloat) y );
1203 }
1204
1205 void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1206 {
1207     CGRect cgRect = { { (CGFloat) x , (CGFloat) y } , { (CGFloat) w , (CGFloat) h } };
1208     CGPathAddRect( m_path , NULL , cgRect );
1209 }
1210
1211 void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r )
1212 {
1213     CGPathAddArc( m_path , NULL , (CGFloat) x , (CGFloat) y , (CGFloat) r , (CGFloat) 0.0 , (CGFloat) (2 * M_PI) , true );
1214 }
1215
1216 // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
1217 void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
1218 {
1219     // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
1220     CGPathAddArc( m_path, NULL , (CGFloat) x, (CGFloat) y, (CGFloat) r, (CGFloat) startAngle, (CGFloat) endAngle, !clockwise);
1221 }
1222
1223 void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
1224 {
1225     CGPathAddArcToPoint( m_path, NULL , (CGFloat) x1, (CGFloat) y1, (CGFloat) x2, (CGFloat) y2, (CGFloat) r);
1226 }
1227
1228 void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path )
1229 {
1230     CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
1231 }
1232
1233 // closes the current subpath
1234 void wxMacCoreGraphicsPathData::CloseSubpath()
1235 {
1236     CGPathCloseSubpath( m_path );
1237 }
1238
1239 // gets the last point of the current path, (0,0) if not yet set
1240 void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
1241 {
1242     CGPoint p = CGPathGetCurrentPoint( m_path );
1243     *x = p.x;
1244     *y = p.y;
1245 }
1246
1247 // transforms each point of this path by the matrix
1248 void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix )
1249 {
1250     CGMutablePathRef p = CGPathCreateMutable() ;
1251     CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path );
1252     CGPathRelease( m_path );
1253     m_path = p;
1254 }
1255
1256 // gets the bounding box enclosing all points (possibly including control points)
1257 void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
1258 {
1259     CGRect bounds = CGPathGetBoundingBox( m_path ) ;
1260     *x = bounds.origin.x;
1261     *y = bounds.origin.y;
1262     *w = bounds.size.width;
1263     *h = bounds.size.height;
1264 }
1265
1266 bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, wxPolygonFillMode fillStyle) const
1267 {
1268     return CGPathContainsPoint( m_path, NULL, CGPointMake((CGFloat) x,(CGFloat) y), fillStyle == wxODDEVEN_RULE );
1269 }
1270
1271 //
1272 // Graphics Context
1273 //
1274
1275 //-----------------------------------------------------------------------------
1276 // wxMacCoreGraphicsContext declaration
1277 //-----------------------------------------------------------------------------
1278
1279 class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
1280 {
1281 public:
1282     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width = 0, wxDouble height = 0 );
1283
1284 #if wxOSX_USE_CARBON
1285     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
1286 #endif
1287
1288     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window );
1289
1290     wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
1291
1292     wxMacCoreGraphicsContext();
1293
1294     ~wxMacCoreGraphicsContext();
1295
1296     void Init();
1297
1298     // returns the size of the graphics context in device coordinates
1299     virtual void GetSize( wxDouble* width, wxDouble* height);
1300
1301     virtual void StartPage( wxDouble width, wxDouble height );
1302
1303     virtual void EndPage();
1304
1305     virtual void Flush();
1306
1307     // push the current state of the context, ie the transformation matrix on a stack
1308     virtual void PushState();
1309
1310     // pops a stored state from the stack
1311     virtual void PopState();
1312
1313     // clips drawings to the region
1314     virtual void Clip( const wxRegion &region );
1315
1316     // clips drawings to the rect
1317     virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1318
1319     // resets the clipping to original extent
1320     virtual void ResetClip();
1321
1322     virtual void * GetNativeContext();
1323
1324     bool SetLogicalFunction( wxRasterOperationMode function );
1325     //
1326     // transformation
1327     //
1328
1329     // translate
1330     virtual void Translate( wxDouble dx , wxDouble dy );
1331
1332     // scale
1333     virtual void Scale( wxDouble xScale , wxDouble yScale );
1334
1335     // rotate (radians)
1336     virtual void Rotate( wxDouble angle );
1337
1338     // concatenates this transform with the current transform of this context
1339     virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
1340
1341     // sets the transform of this context
1342     virtual void SetTransform( const wxGraphicsMatrix& matrix );
1343
1344     // gets the matrix of this context
1345     virtual wxGraphicsMatrix GetTransform() const;
1346     //
1347     // setting the paint
1348     //
1349
1350     // strokes along a path with the current pen
1351     virtual void StrokePath( const wxGraphicsPath &path );
1352
1353     // fills a path with the current brush
1354     virtual void FillPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
1355
1356     // draws a path by first filling and then stroking
1357     virtual void DrawPath( const wxGraphicsPath &path, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
1358
1359     virtual bool ShouldOffset() const
1360     {
1361         int penwidth = 0 ;
1362         if ( !m_pen.IsNull() )
1363         {
1364             penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
1365             if ( penwidth == 0 )
1366                 penwidth = 1;
1367         }
1368         return ( penwidth % 2 ) == 1;
1369     }
1370     //
1371     // text
1372     //
1373
1374     virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
1375         wxDouble *descent, wxDouble *externalLeading ) const;
1376
1377     virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
1378
1379     //
1380     // image support
1381     //
1382
1383     virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1384
1385     virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1386
1387     virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1388
1389     void SetNativeContext( CGContextRef cg );
1390
1391     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsContext)
1392
1393 private:
1394     void EnsureIsValid();
1395
1396     virtual void DoDrawText( const wxString &str, wxDouble x, wxDouble y );
1397     virtual void DoDrawRotatedText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
1398
1399     CGContextRef m_cgContext;
1400 #if wxOSX_USE_CARBON
1401     WindowRef m_windowRef;
1402 #else
1403     WXWidget m_view;
1404 #endif
1405     bool m_contextSynthesized;
1406     CGAffineTransform m_windowTransform;
1407     wxDouble m_width;
1408     wxDouble m_height;
1409
1410 #if wxOSX_USE_COCOA_OR_CARBON
1411     wxCFRef<HIShapeRef> m_clipRgn;
1412 #endif
1413 };
1414
1415 //-----------------------------------------------------------------------------
1416 // device context implementation
1417 //
1418 // more and more of the dc functionality should be implemented by calling
1419 // the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
1420 // also coordinate conversions should be moved to native matrix ops
1421 //-----------------------------------------------------------------------------
1422
1423 // we always stock two context states, one at entry, to be able to preserve the
1424 // state we were called with, the other one after changing to HI Graphics orientation
1425 // (this one is used for getting back clippings etc)
1426
1427 //-----------------------------------------------------------------------------
1428 // wxMacCoreGraphicsContext implementation
1429 //-----------------------------------------------------------------------------
1430
1431 IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
1432
1433 class wxQuartzOffsetHelper
1434 {
1435 public :
1436     wxQuartzOffsetHelper( CGContextRef cg , bool offset )
1437     {
1438         m_cg = cg;
1439         m_offset = offset;
1440         if ( m_offset )
1441             CGContextTranslateCTM( m_cg, (CGFloat) 0.5, (CGFloat) 0.5 );
1442     }
1443     ~wxQuartzOffsetHelper( )
1444     {
1445         if ( m_offset )
1446             CGContextTranslateCTM( m_cg, (CGFloat) -0.5, (CGFloat) -0.5 );
1447     }
1448 public :
1449     CGContextRef m_cg;
1450     bool m_offset;
1451 } ;
1452
1453 void wxMacCoreGraphicsContext::Init()
1454 {
1455     m_cgContext = NULL;
1456     m_contextSynthesized = false;
1457     m_width = 0;
1458     m_height = 0;
1459 #if wxOSX_USE_CARBON
1460     m_windowRef = NULL;
1461 #endif
1462 #if wxOSX_USE_COCOA_OR_IPHONE
1463     m_view = NULL;
1464 #endif
1465 }
1466
1467 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer)
1468 {
1469     Init();
1470     SetNativeContext(cgcontext);
1471     m_width = width;
1472     m_height = height;
1473 }
1474
1475 #if wxOSX_USE_CARBON
1476 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
1477 {
1478     Init();
1479     m_windowRef = window;
1480 }
1481 #endif
1482
1483 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
1484 {
1485     Init();
1486
1487     wxSize sz = window->GetSize();
1488     m_width = sz.x;
1489     m_height = sz.y;
1490
1491 #if wxOSX_USE_COCOA_OR_IPHONE
1492     m_view = window->GetHandle();
1493
1494     if ( !((wxWidgetCocoaImpl*) window->GetPeer())->IsFlipped() )
1495     {
1496         m_windowTransform = CGAffineTransformMakeTranslation( 0 , m_height );
1497         m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
1498     }
1499     else
1500     {
1501         m_windowTransform = CGAffineTransformIdentity;
1502     }
1503 #else
1504     int originX , originY;
1505     originX = originY = 0;
1506     Rect bounds = { 0,0,0,0 };
1507     m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
1508     window->MacWindowToRootWindow( &originX , &originY );
1509     GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
1510     m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top );
1511     m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
1512     m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ;
1513 #endif
1514 }
1515
1516 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
1517 {
1518     Init();
1519 }
1520
1521 wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
1522 {
1523     Init();
1524     wxLogDebug(wxT("Illegal Constructor called"));
1525 }
1526
1527 wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
1528 {
1529     SetNativeContext(NULL);
1530 #if wxOSX_USE_COCOA_OR_IPHONE
1531     if ( m_view )
1532     {
1533         CGContextFlush(m_cgContext);
1534     }
1535 #endif
1536 }
1537
1538 void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height)
1539 {
1540     *width = m_width;
1541     *height = m_height;
1542 }
1543
1544
1545 void wxMacCoreGraphicsContext::StartPage( wxDouble width, wxDouble height )
1546 {
1547     CGRect r;
1548     if ( width != 0 && height != 0)
1549         r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) width  , (CGFloat) height );
1550     else
1551         r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) m_width  , (CGFloat) m_height );
1552
1553     CGContextBeginPage(m_cgContext,  &r );
1554 //    CGContextTranslateCTM( m_cgContext , 0 ,  height == 0 ? m_height : height );
1555 //    CGContextScaleCTM( m_cgContext , 1 , -1 );
1556 }
1557
1558 void wxMacCoreGraphicsContext::EndPage()
1559 {
1560     CGContextEndPage(m_cgContext);
1561 }
1562
1563 void wxMacCoreGraphicsContext::Flush()
1564 {
1565     CGContextFlush(m_cgContext);
1566 }
1567
1568 void wxMacCoreGraphicsContext::EnsureIsValid()
1569 {
1570     if ( !m_cgContext )
1571     {
1572 #if wxOSX_USE_COCOA_OR_IPHONE
1573         wxOSXLockFocus(m_view);
1574         m_cgContext = wxOSXGetContextFromCurrentNSContext();
1575 #endif
1576 #if wxOSX_USE_CARBON
1577         OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
1578         if ( status != noErr )
1579         {
1580             wxFAIL_MSG("Cannot nest wxDCs on the same window");
1581         }
1582 #endif
1583         CGContextConcatCTM( m_cgContext, m_windowTransform );
1584         CGContextSaveGState( m_cgContext );
1585         m_contextSynthesized = true;
1586         if ( m_clipRgn.get() )
1587         {
1588             // the clip region is in device coordinates, so we convert this again to user coordinates
1589             wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) );
1590             CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform);
1591             HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y );
1592             // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
1593             if ( HIShapeIsEmpty(hishape))
1594             {
1595                 CGRect empty = CGRectMake( 0,0,0,0 );
1596                 CGContextClipToRect( m_cgContext, empty );
1597             }
1598             else
1599             {
1600                 HIShapeReplacePathInCGContext( hishape, m_cgContext );
1601                 CGContextClip( m_cgContext );
1602             }
1603         }
1604         CGContextSaveGState( m_cgContext );
1605
1606 #if 0 // turn on for debugging of clientdc
1607         static float color = 0.5 ;
1608         static int channel = 0 ;
1609         CGRect bounds = CGRectMake(-1000,-1000,2000,2000);
1610         CGContextSetRGBFillColor( m_cgContext, channel == 0 ? color : 0.5 ,
1611             channel == 1 ? color : 0.5 , channel == 2 ? color : 0.5 , 1 );
1612         CGContextFillRect( m_cgContext, bounds );
1613         color += 0.1 ;
1614         if ( color > 0.9 )
1615         {
1616             color = 0.5 ;
1617             channel++ ;
1618             if ( channel == 3 )
1619                 channel = 0 ;
1620         }
1621 #endif
1622     }
1623 }
1624
1625 // TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes)
1626
1627 bool wxMacCoreGraphicsContext::SetLogicalFunction( wxRasterOperationMode function )
1628 {
1629     if (m_logicalFunction == function)
1630         return true;
1631
1632     EnsureIsValid();
1633
1634     bool retval = false;
1635     bool shouldAntiAlias = true;
1636     CGBlendMode mode = kCGBlendModeNormal;
1637
1638 #if defined(__WXMAC__) && ( wxOSX_USE_IPHONE || ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 ) )
1639 #if wxOSX_USE_IPHONE
1640     if ( 1 )
1641 #else
1642     if ( UMAGetSystemVersion() >= 0x1050 )
1643 #endif
1644     {
1645         retval = true;
1646         switch ( function )
1647         {
1648             // TODO find best corresponding porter duff modes
1649             case wxCOPY :
1650                 mode = kCGBlendModeCopy;
1651                 break;
1652             case wxCLEAR :
1653                 mode = kCGBlendModeClear;
1654                 break;
1655             case wxXOR :
1656                 mode = kCGBlendModeXOR;
1657                 shouldAntiAlias = false;
1658                 break;
1659             default :
1660                 retval = false;
1661                 break;
1662         }
1663     }
1664     else
1665 #endif
1666     {
1667         if ( function == wxCOPY )
1668         {
1669             retval = true;
1670         }
1671         else if ( function == wxINVERT || function == wxXOR )
1672         {
1673             // change color to white
1674             mode = kCGBlendModeExclusion;
1675             shouldAntiAlias = false;
1676             retval = true;
1677         }
1678     }
1679
1680     if (retval)
1681     {
1682         m_logicalFunction = function;
1683         CGContextSetBlendMode( m_cgContext, mode );
1684         CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias);
1685     }
1686     return retval ;
1687 }
1688
1689 void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
1690 {
1691 #if wxOSX_USE_COCOA_OR_CARBON
1692     if( m_cgContext )
1693     {
1694         wxCFRef<HIShapeRef> shape = wxCFRefFromGet(region.GetWXHRGN());
1695         // if the shape is empty, HIShapeReplacePathInCGContext doesn't work
1696         if ( HIShapeIsEmpty(shape))
1697         {
1698             CGRect empty = CGRectMake( 0,0,0,0 );
1699             CGContextClipToRect( m_cgContext, empty );
1700         }
1701         else
1702         {
1703             HIShapeReplacePathInCGContext( shape, m_cgContext );
1704             CGContextClip( m_cgContext );
1705         }
1706     }
1707     else
1708     {
1709         // this offsetting to device coords is not really correct, but since we cannot apply affine transforms
1710         // to regions we try at least to have correct translations
1711         HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( region.GetWXHRGN() );
1712
1713         CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform );
1714         HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y );
1715         m_clipRgn.reset(mutableShape);
1716     }
1717 #else
1718     // allow usage as measuring context
1719     // wxASSERT_MSG( m_cgContext != NULL, "Needs a valid context for clipping" );
1720 #endif
1721 }
1722
1723 // clips drawings to the rect
1724 void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1725 {
1726     CGRect r = CGRectMake( (CGFloat) x , (CGFloat) y , (CGFloat) w , (CGFloat) h );
1727     if ( m_cgContext )
1728     {
1729         CGContextClipToRect( m_cgContext, r );
1730     }
1731     else
1732     {
1733 #if wxOSX_USE_COCOA_OR_CARBON
1734         // the clipping itself must be stored as device coordinates, otherwise
1735         // we cannot apply it back correctly
1736         r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform );
1737         m_clipRgn.reset(HIShapeCreateWithRect(&r));
1738 #else
1739     // allow usage as measuring context
1740     // wxFAIL_MSG( "Needs a valid context for clipping" );
1741 #endif
1742     }
1743 }
1744
1745     // resets the clipping to original extent
1746 void wxMacCoreGraphicsContext::ResetClip()
1747 {
1748     if ( m_cgContext )
1749     {
1750         // there is no way for clearing the clip, we can only revert to the stored
1751         // state, but then we have to make sure everything else is NOT restored
1752         CGAffineTransform transform = CGContextGetCTM( m_cgContext );
1753         CGContextRestoreGState( m_cgContext );
1754         CGContextSaveGState( m_cgContext );
1755         CGAffineTransform transformNew = CGContextGetCTM( m_cgContext );
1756         transformNew = CGAffineTransformInvert( transformNew ) ;
1757         CGContextConcatCTM( m_cgContext, transformNew);
1758         CGContextConcatCTM( m_cgContext, transform);
1759     }
1760     else
1761     {
1762 #if wxOSX_USE_COCOA_OR_CARBON
1763         m_clipRgn.reset();
1764 #else
1765     // allow usage as measuring context
1766     // wxFAIL_MSG( "Needs a valid context for clipping" );
1767 #endif
1768     }
1769 }
1770
1771 void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
1772 {
1773     if ( m_pen.IsNull() )
1774         return ;
1775
1776     EnsureIsValid();
1777
1778     wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
1779
1780     ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1781     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1782     CGContextStrokePath( m_cgContext );
1783 }
1784
1785 void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )
1786 {
1787     if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1788     {
1789         // when using shading, we cannot draw pen and brush at the same time
1790         // revert to the base implementation of first filling and then stroking
1791         wxGraphicsContext::DrawPath( path, fillStyle );
1792         return;
1793     }
1794
1795     CGPathDrawingMode mode = kCGPathFill ;
1796     if ( m_brush.IsNull() )
1797     {
1798         if ( m_pen.IsNull() )
1799             return;
1800         else
1801             mode = kCGPathStroke;
1802     }
1803     else
1804     {
1805         if ( m_pen.IsNull() )
1806         {
1807             if ( fillStyle == wxODDEVEN_RULE )
1808                 mode = kCGPathEOFill;
1809             else
1810                 mode = kCGPathFill;
1811         }
1812         else
1813         {
1814             if ( fillStyle == wxODDEVEN_RULE )
1815                 mode = kCGPathEOFillStroke;
1816             else
1817                 mode = kCGPathFillStroke;
1818         }
1819     }
1820
1821     EnsureIsValid();
1822
1823     if ( !m_brush.IsNull() )
1824         ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1825     if ( !m_pen.IsNull() )
1826         ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1827
1828     wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() );
1829
1830     CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1831     CGContextDrawPath( m_cgContext , mode );
1832 }
1833
1834 void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , wxPolygonFillMode fillStyle )
1835 {
1836     if ( m_brush.IsNull() )
1837         return;
1838
1839     EnsureIsValid();
1840
1841     if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1842     {
1843         CGContextSaveGState( m_cgContext );
1844         CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1845         CGContextClip( m_cgContext );
1846         CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() );
1847         CGContextRestoreGState( m_cgContext);
1848     }
1849     else
1850     {
1851         ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1852         CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1853         if ( fillStyle == wxODDEVEN_RULE )
1854             CGContextEOFillPath( m_cgContext );
1855         else
1856             CGContextFillPath( m_cgContext );
1857     }
1858 }
1859
1860 void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
1861 {
1862     // we allow either setting or clearing but not replacing
1863     wxASSERT( m_cgContext == NULL || cg == NULL );
1864
1865     if ( m_cgContext )
1866     {
1867         CGContextRestoreGState( m_cgContext );
1868         CGContextRestoreGState( m_cgContext );
1869         if ( m_contextSynthesized )
1870         {
1871             // TODO: in case of performance problems, try issuing this not too
1872             // frequently (half of refresh rate)
1873             CGContextFlush(m_cgContext);
1874 #if wxOSX_USE_CARBON
1875             QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
1876 #endif
1877 #if wxOSX_USE_COCOA_OR_IPHONE
1878             wxOSXUnlockFocus(m_view);
1879 #endif
1880         }
1881         else
1882             CGContextRelease(m_cgContext);
1883     }
1884
1885     m_cgContext = cg;
1886
1887     // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
1888     // in order to get font properties, like wxFont::GetPixelSize, but since we don't have
1889     // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef
1890     // for this one operation.
1891
1892     // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
1893     // can be removed.
1894     if (m_cgContext)
1895     {
1896         CGContextRetain(m_cgContext);
1897         CGContextSaveGState( m_cgContext );
1898         CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
1899         CGContextSaveGState( m_cgContext );
1900         m_contextSynthesized = false;
1901     }
1902 }
1903
1904 void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
1905 {
1906     if ( m_cgContext )
1907         CGContextTranslateCTM( m_cgContext, (CGFloat) dx, (CGFloat) dy );
1908     else
1909         m_windowTransform = CGAffineTransformTranslate(m_windowTransform, (CGFloat) dx, (CGFloat) dy);
1910 }
1911
1912 void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
1913 {
1914     if ( m_cgContext )
1915         CGContextScaleCTM( m_cgContext , (CGFloat) xScale , (CGFloat) yScale );
1916     else
1917         m_windowTransform = CGAffineTransformScale(m_windowTransform, (CGFloat) xScale, (CGFloat) yScale);
1918 }
1919
1920 void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
1921 {
1922     if ( m_cgContext )
1923         CGContextRotateCTM( m_cgContext , (CGFloat) angle );
1924     else
1925         m_windowTransform = CGAffineTransformRotate(m_windowTransform, (CGFloat) angle);
1926 }
1927
1928 void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1929 {
1930     wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp);
1931     DrawBitmap(bitmap, x, y, w, h);
1932 }
1933
1934 void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1935 {
1936     EnsureIsValid();
1937 #ifdef __WXMAC__
1938     wxMacCoreGraphicsBitmapData* refdata  =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
1939     CGImageRef image = refdata->GetBitmap();
1940     CGRect r = CGRectMake( (CGFloat) x , (CGFloat) y , (CGFloat) w , (CGFloat) h );
1941     if ( refdata->IsMonochrome() == 1 )
1942     {
1943         // is is a mask, the '1' in the mask tell where to draw the current brush
1944         if (  !m_brush.IsNull() )
1945         {
1946             if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1947             {
1948                 // TODO clip to mask
1949             /*
1950                 CGContextSaveGState( m_cgContext );
1951                 CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1952                 CGContextClip( m_cgContext );
1953                 CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() );
1954                 CGContextRestoreGState( m_cgContext);
1955             */
1956             }
1957             else
1958             {
1959                 ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1960                 wxMacDrawCGImage( m_cgContext , &r , image );
1961             }
1962         }
1963     }
1964     else
1965     {
1966         wxMacDrawCGImage( m_cgContext , &r , image );
1967     }
1968 #endif
1969 }
1970
1971 void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1972 {
1973     EnsureIsValid();
1974
1975     CGRect r = CGRectMake( (CGFloat) 0.0 , (CGFloat) 0.0 , (CGFloat) w , (CGFloat) h );
1976     CGContextSaveGState( m_cgContext );
1977     CGContextTranslateCTM( m_cgContext,(CGFloat) x ,(CGFloat) (y + h) );
1978     CGContextScaleCTM( m_cgContext, 1, -1 );
1979 #if wxOSX_USE_CARBON
1980     PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
1981         NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
1982 #endif
1983     CGContextRestoreGState( m_cgContext );
1984 }
1985
1986 void wxMacCoreGraphicsContext::PushState()
1987 {
1988     EnsureIsValid();
1989
1990     CGContextSaveGState( m_cgContext );
1991 }
1992
1993 void wxMacCoreGraphicsContext::PopState()
1994 {
1995     EnsureIsValid();
1996
1997     CGContextRestoreGState( m_cgContext );
1998 }
1999
2000 void wxMacCoreGraphicsContext::DoDrawText( const wxString &str, wxDouble x, wxDouble y )
2001 {
2002     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
2003
2004     EnsureIsValid();
2005 #if wxOSX_USE_CORE_TEXT
2006     if ( UMAGetSystemVersion() >= 0x1050 )
2007     {
2008         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
2009         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
2010         CTFontRef font = fref->GetCTFont();
2011         CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
2012         CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ;
2013         wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) );
2014          CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName, kCTUnderlineStyleAttributeName };
2015         CFTypeRef values[] = { font, col, underlined };
2016         wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
2017                                                         WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
2018         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
2019         wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
2020
2021         y += CTFontGetAscent(font);
2022
2023         CGContextSaveGState(m_cgContext);
2024         CGContextTranslateCTM(m_cgContext, x, y);
2025         CGContextScaleCTM(m_cgContext, 1, -1);
2026         CGContextSetTextPosition(m_cgContext, 0, 0);
2027         CTLineDraw( line, m_cgContext );
2028         CGContextRestoreGState(m_cgContext);
2029         CFRelease( col );
2030         return;
2031     }
2032 #endif
2033 #if wxOSX_USE_ATSU_TEXT
2034     {
2035         DrawText(str, x, y, 0.0);
2036         return;
2037     }
2038 #endif
2039 #if wxOSX_USE_IPHONE
2040     wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
2041
2042     CGContextSaveGState(m_cgContext);
2043
2044     CGColorRef col = wxMacCreateCGColor( fref->GetColour() );
2045     CGContextSetTextDrawingMode (m_cgContext, kCGTextFill);
2046     CGContextSetFillColorWithColor( m_cgContext, col );
2047
2048     wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
2049     DrawTextInContext( m_cgContext, CGPointMake( x, y ), fref->GetUIFont() , text.AsNSString() );
2050
2051     CGContextRestoreGState(m_cgContext);
2052     CFRelease( col );
2053 #endif
2054 }
2055
2056 void wxMacCoreGraphicsContext::DoDrawRotatedText(const wxString &str,
2057                                                  wxDouble x, wxDouble y,
2058                                                  wxDouble angle)
2059 {
2060     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
2061
2062     EnsureIsValid();
2063 #if wxOSX_USE_CORE_TEXT
2064     if ( UMAGetSystemVersion() >= 0x1050 )
2065     {
2066         // default implementation takes care of rotation and calls non rotated DrawText afterwards
2067         wxGraphicsContext::DoDrawRotatedText( str, x, y, angle );
2068         return;
2069     }
2070 #endif
2071 #if wxOSX_USE_ATSU_TEXT
2072     {
2073         OSStatus status = noErr;
2074         ATSUTextLayout atsuLayout;
2075         wxMacUniCharBuffer unibuf( str );
2076         UniCharCount chars = unibuf.GetChars();
2077
2078         ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
2079         status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
2080                                                    &chars , &style , &atsuLayout );
2081
2082         wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
2083
2084         status = ::ATSUSetTransientFontMatching( atsuLayout , true );
2085         wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
2086
2087         int iAngle = int( angle * RAD2DEG );
2088         if ( abs(iAngle) > 0 )
2089         {
2090             Fixed atsuAngle = IntToFixed( iAngle );
2091             ATSUAttributeTag atsuTags[] =
2092             {
2093                 kATSULineRotationTag ,
2094             };
2095             ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2096             {
2097                 sizeof( Fixed ) ,
2098             };
2099             ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2100             {
2101                 &atsuAngle ,
2102             };
2103             status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
2104                                              atsuTags, atsuSizes, atsuValues );
2105         }
2106
2107         {
2108             ATSUAttributeTag atsuTags[] =
2109             {
2110                 kATSUCGContextTag ,
2111             };
2112             ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2113             {
2114                 sizeof( CGContextRef ) ,
2115             };
2116             ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2117             {
2118                 &m_cgContext ,
2119             };
2120             status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
2121                                              atsuTags, atsuSizes, atsuValues );
2122         }
2123
2124         ATSUTextMeasurement textBefore, textAfter;
2125         ATSUTextMeasurement ascent, descent;
2126
2127         status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
2128                                             &textBefore , &textAfter, &ascent , &descent );
2129
2130         wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
2131
2132         Rect rect;
2133         x += (int)(sin(angle) * FixedToInt(ascent));
2134         y += (int)(cos(angle) * FixedToInt(ascent));
2135
2136         status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
2137                                         IntToFixed(x) , IntToFixed(y) , &rect );
2138         wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
2139
2140         CGContextSaveGState(m_cgContext);
2141         CGContextTranslateCTM(m_cgContext, (CGFloat) x, (CGFloat) y);
2142         CGContextScaleCTM(m_cgContext, 1, -1);
2143         status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
2144                                 IntToFixed(0) , IntToFixed(0) );
2145
2146         wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
2147
2148         CGContextRestoreGState(m_cgContext);
2149
2150         ::ATSUDisposeTextLayout(atsuLayout);
2151
2152         return;
2153     }
2154 #endif
2155 #if wxOSX_USE_IPHONE
2156     // default implementation takes care of rotation and calls non rotated DrawText afterwards
2157     wxGraphicsContext::DoDrawRotatedText( str, x, y, angle );
2158 #endif
2159 }
2160
2161 void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
2162                             wxDouble *descent, wxDouble *externalLeading ) const
2163 {
2164     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::GetTextExtent - no valid font set") );
2165
2166     if ( width )
2167         *width = 0;
2168     if ( height )
2169         *height = 0;
2170     if ( descent )
2171         *descent = 0;
2172     if ( externalLeading )
2173         *externalLeading = 0;
2174
2175     if (str.empty())
2176         return;
2177
2178 #if wxOSX_USE_CORE_TEXT
2179     if ( UMAGetSystemVersion() >= 0x1050 )
2180     {
2181         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
2182         CTFontRef font = fref->GetCTFont();
2183
2184         wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
2185         CFStringRef keys[] = { kCTFontAttributeName  };
2186         CFTypeRef values[] = { font };
2187         wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
2188                                                                 WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
2189         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) );
2190         wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
2191
2192         CGFloat w, a, d, l;
2193
2194         w = CTLineGetTypographicBounds(line, &a, &d, &l) ;
2195
2196         if ( height )
2197             *height = a+d+l;
2198         if ( descent )
2199             *descent = d;
2200         if ( externalLeading )
2201             *externalLeading = l;
2202         if ( width )
2203             *width = w;
2204         return;
2205     }
2206 #endif
2207 #if wxOSX_USE_ATSU_TEXT
2208     {
2209         OSStatus status = noErr;
2210
2211         ATSUTextLayout atsuLayout;
2212         wxMacUniCharBuffer unibuf( str );
2213         UniCharCount chars = unibuf.GetChars();
2214
2215         ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
2216         status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
2217                                                    &chars , &style , &atsuLayout );
2218
2219         wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
2220
2221         status = ::ATSUSetTransientFontMatching( atsuLayout , true );
2222         wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
2223
2224         ATSUTextMeasurement textBefore, textAfter;
2225         ATSUTextMeasurement textAscent, textDescent;
2226
2227         status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
2228                                             &textBefore , &textAfter, &textAscent , &textDescent );
2229
2230         if ( height )
2231             *height = FixedToInt(textAscent + textDescent);
2232         if ( descent )
2233             *descent = FixedToInt(textDescent);
2234         if ( externalLeading )
2235             *externalLeading = 0;
2236         if ( width )
2237             *width = FixedToInt(textAfter - textBefore);
2238
2239         ::ATSUDisposeTextLayout(atsuLayout);
2240
2241         return;
2242     }
2243 #endif
2244 #if wxOSX_USE_IPHONE
2245     wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
2246
2247     wxCFStringRef text(str, wxLocale::GetSystemEncoding() );
2248     CGSize sz = MeasureTextInContext( fref->GetUIFont() , text.AsNSString() );
2249
2250     if ( height )
2251         *height = sz.height;
2252         /*
2253     if ( descent )
2254         *descent = FixedToInt(textDescent);
2255     if ( externalLeading )
2256         *externalLeading = 0;
2257         */
2258     if ( width )
2259         *width = sz.width;
2260 #endif
2261 }
2262
2263 void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
2264 {
2265     widths.Empty();
2266     widths.Add(0, text.length());
2267
2268     wxCHECK_RET( !m_font.IsNull(), wxT("wxMacCoreGraphicsContext::DrawText - no valid font set") );
2269
2270     if (text.empty())
2271         return;
2272
2273 #if wxOSX_USE_CORE_TEXT
2274     {
2275         wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData();
2276         CTFontRef font = fref->GetCTFont();
2277
2278         wxCFStringRef t(text, wxLocale::GetSystemEncoding() );
2279         CFStringRef keys[] = { kCTFontAttributeName  };
2280         CFTypeRef values[] = { font };
2281         wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values,
2282                                                                 WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) );
2283         wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, t, attributes) );
2284         wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) );
2285
2286         int chars = text.length();
2287         for ( int pos = 0; pos < (int)chars; pos ++ )
2288         {
2289             widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL )+0.5;
2290         }
2291
2292         return;
2293     }
2294 #endif
2295 #if wxOSX_USE_ATSU_TEXT
2296     {
2297         OSStatus status = noErr;
2298         ATSUTextLayout atsuLayout;
2299         wxMacUniCharBuffer unibuf( text );
2300         UniCharCount chars = unibuf.GetChars();
2301
2302         ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
2303         status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 ,
2304                                           &chars , &style , &atsuLayout );
2305
2306         wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
2307
2308         status = ::ATSUSetTransientFontMatching( atsuLayout , true );
2309         wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
2310
2311 // new implementation from JS, keep old one just in case
2312 #if 0
2313         for ( int pos = 0; pos < (int)chars; pos ++ )
2314         {
2315             unsigned long actualNumberOfBounds = 0;
2316             ATSTrapezoid glyphBounds;
2317
2318             // We get a single bound, since the text should only require one. If it requires more, there is an issue
2319             OSStatus result;
2320             result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
2321                                         kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
2322             if (result != noErr || actualNumberOfBounds != 1 )
2323                 return;
2324
2325             widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
2326             //unsigned char uch = s[i];
2327         }
2328 #else
2329         ATSLayoutRecord *layoutRecords = NULL;
2330         ItemCount glyphCount = 0;
2331
2332         // Get the glyph extents
2333         OSStatus err = ::ATSUDirectGetLayoutDataArrayPtrFromTextLayout(atsuLayout,
2334                                                                        0,
2335                                                                        kATSUDirectDataLayoutRecordATSLayoutRecordCurrent,
2336                                                                        (void **)
2337                                                                        &layoutRecords,
2338                                                                        &glyphCount);
2339         wxASSERT(glyphCount == (text.length()+1));
2340
2341         if ( err == noErr && glyphCount == (text.length()+1))
2342         {
2343             for ( int pos = 1; pos < (int)glyphCount ; pos ++ )
2344             {
2345                 widths[pos-1] = FixedToInt( layoutRecords[pos].realPos );
2346             }
2347         }
2348
2349         ::ATSUDirectReleaseLayoutDataArrayPtr(NULL,
2350                                               kATSUDirectDataLayoutRecordATSLayoutRecordCurrent,
2351                                               (void **) &layoutRecords);
2352 #endif
2353         ::ATSUDisposeTextLayout(atsuLayout);
2354     }
2355 #endif
2356 #if wxOSX_USE_IPHONE
2357     // TODO core graphics text implementation here
2358 #endif
2359 }
2360
2361 void * wxMacCoreGraphicsContext::GetNativeContext()
2362 {
2363     return m_cgContext;
2364 }
2365
2366 // concatenates this transform with the current transform of this context
2367 void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix )
2368 {
2369     if ( m_cgContext )
2370         CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix());
2371     else
2372         m_windowTransform = CGAffineTransformConcat(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix());
2373 }
2374
2375 // sets the transform of this context
2376 void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix )
2377 {
2378     if ( m_cgContext )
2379     {
2380         CGAffineTransform transform = CGContextGetCTM( m_cgContext );
2381         transform = CGAffineTransformInvert( transform ) ;
2382         CGContextConcatCTM( m_cgContext, transform);
2383         CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix());
2384     }
2385     else
2386     {
2387         m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix();
2388     }
2389 }
2390
2391 // gets the matrix of this context
2392 wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const
2393 {
2394     wxGraphicsMatrix m = CreateMatrix();
2395     *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform :
2396         CGContextGetCTM( m_cgContext ));
2397     return m;
2398 }
2399
2400 //
2401 // Renderer
2402 //
2403
2404 //-----------------------------------------------------------------------------
2405 // wxMacCoreGraphicsRenderer declaration
2406 //-----------------------------------------------------------------------------
2407
2408 class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer
2409 {
2410 public :
2411     wxMacCoreGraphicsRenderer() {}
2412
2413     virtual ~wxMacCoreGraphicsRenderer() {}
2414
2415     // Context
2416
2417     virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
2418     virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc);
2419 #if wxUSE_PRINTING_ARCHITECTURE
2420     virtual wxGraphicsContext * CreateContext( const wxPrinterDC& dc);
2421 #endif
2422
2423     virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
2424
2425     virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
2426
2427     virtual wxGraphicsContext * CreateContext( wxWindow* window );
2428
2429     virtual wxGraphicsContext * CreateMeasuringContext();
2430
2431     // Path
2432
2433     virtual wxGraphicsPath CreatePath();
2434
2435     // Matrix
2436
2437     virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
2438         wxDouble tx=0.0, wxDouble ty=0.0);
2439
2440
2441     virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
2442
2443     virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
2444
2445     // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
2446     virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
2447         const wxColour&c1, const wxColour&c2) ;
2448
2449     // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
2450     // with radius r and color cColor
2451     virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
2452         const wxColour &oColor, const wxColour &cColor) ;
2453
2454    // sets the font
2455     virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
2456
2457     // create a native bitmap representation
2458     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ;
2459
2460     // create a native bitmap representation
2461     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  ) ;
2462 private :
2463     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
2464 } ;
2465
2466 //-----------------------------------------------------------------------------
2467 // wxMacCoreGraphicsRenderer implementation
2468 //-----------------------------------------------------------------------------
2469
2470 IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer)
2471
2472 static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer;
2473
2474 wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
2475 {
2476     return &gs_MacCoreGraphicsRenderer;
2477 }
2478
2479 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc )
2480 {
2481     const wxDCImpl* impl = dc.GetImpl();
2482     wxWindowDCImpl *win_impl = wxDynamicCast( impl, wxWindowDCImpl );
2483     if (win_impl)
2484     {
2485         int w, h;
2486         win_impl->GetSize( &w, &h );
2487         CGContextRef cgctx = 0;
2488
2489         wxASSERT_MSG(win_impl->GetWindow(), "Invalid wxWindow in wxMacCoreGraphicsRenderer::CreateContext");
2490         if (win_impl->GetWindow())
2491             cgctx =  (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef());
2492
2493         if (cgctx != 0)
2494             return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h );
2495     }
2496     return NULL;
2497 }
2498
2499 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC& dc )
2500 {
2501 #ifdef __WXMAC__
2502     const wxDCImpl* impl = dc.GetImpl();
2503     wxMemoryDCImpl *mem_impl = wxDynamicCast( impl, wxMemoryDCImpl );
2504     if (mem_impl)
2505     {
2506         int w, h;
2507         mem_impl->GetSize( &w, &h );
2508         return new wxMacCoreGraphicsContext( this,
2509             (CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()), (wxDouble) w, (wxDouble) h );
2510     }
2511 #endif
2512     return NULL;
2513 }
2514
2515 #if wxUSE_PRINTING_ARCHITECTURE
2516 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxPrinterDC& dc )
2517 {
2518 #ifdef __WXMAC__
2519     const wxDCImpl* impl = dc.GetImpl();
2520     wxPrinterDCImpl *print_impl = wxDynamicCast( impl, wxPrinterDCImpl );
2521     if (print_impl)
2522     {
2523         int w, h;
2524         print_impl->GetSize( &w, &h );
2525         return new wxMacCoreGraphicsContext( this,
2526             (CGContextRef)(print_impl->GetGraphicsContext()->GetNativeContext()), (wxDouble) w, (wxDouble) h );
2527     }
2528 #endif
2529     return NULL;
2530 }
2531 #endif
2532
2533 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
2534 {
2535     return new wxMacCoreGraphicsContext(this,(CGContextRef)context);
2536 }
2537
2538 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window )
2539 {
2540 #if wxOSX_USE_CARBON
2541     return new wxMacCoreGraphicsContext(this,(WindowRef)window);
2542 #else
2543     return NULL;
2544 #endif
2545 }
2546
2547 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
2548 {
2549     return new wxMacCoreGraphicsContext(this, window );
2550 }
2551
2552 wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext()
2553 {
2554     return new wxMacCoreGraphicsContext(this);
2555 }
2556
2557 // Path
2558
2559 wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()
2560 {
2561     wxGraphicsPath m;
2562     m.SetRefData( new wxMacCoreGraphicsPathData(this));
2563     return m;
2564 }
2565
2566
2567 // Matrix
2568
2569 wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
2570     wxDouble tx, wxDouble ty)
2571 {
2572     wxGraphicsMatrix m;
2573     wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this );
2574     data->Set( a,b,c,d,tx,ty ) ;
2575     m.SetRefData(data);
2576     return m;
2577 }
2578
2579 wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
2580 {
2581     if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
2582         return wxNullGraphicsPen;
2583     else
2584     {
2585         wxGraphicsPen p;
2586         p.SetRefData(new wxMacCoreGraphicsPenData( this, pen ));
2587         return p;
2588     }
2589 }
2590
2591 wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
2592 {
2593     if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
2594         return wxNullGraphicsBrush;
2595     else
2596     {
2597         wxGraphicsBrush p;
2598         p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush ));
2599         return p;
2600     }
2601 }
2602
2603 wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
2604 {
2605     if ( bmp.Ok() )
2606     {
2607         wxGraphicsBitmap p;
2608 #ifdef __WXMAC__
2609         p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp.CreateCGImage(), bmp.GetDepth() == 1 ) );
2610 #endif
2611         return p;
2612     }
2613     else
2614         return wxNullGraphicsBitmap;
2615 }
2616
2617 wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
2618 {
2619     wxMacCoreGraphicsBitmapData* refdata  =static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData());
2620     CGImageRef img = refdata->GetBitmap();
2621     if ( img )
2622     {
2623         wxGraphicsBitmap p;
2624         CGImageRef subimg = CGImageCreateWithImageInRect(img,CGRectMake( (CGFloat) x , (CGFloat) y , (CGFloat) w , (CGFloat) h ));
2625         p.SetRefData(new wxMacCoreGraphicsBitmapData( this , subimg, refdata->IsMonochrome() ) );
2626         return p;
2627     }
2628     else
2629         return wxNullGraphicsBitmap;
2630 }
2631
2632 // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
2633 wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
2634     const wxColour&c1, const wxColour&c2)
2635 {
2636     wxGraphicsBrush p;
2637     wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
2638     d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
2639     p.SetRefData(d);
2640     return p;
2641 }
2642
2643 // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
2644 // with radius r and color cColor
2645 wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
2646     const wxColour &oColor, const wxColour &cColor)
2647 {
2648     wxGraphicsBrush p;
2649     wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
2650     d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
2651     p.SetRefData(d);
2652     return p;
2653 }
2654
2655 // sets the font
2656 wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
2657 {
2658     if ( font.Ok() )
2659     {
2660         wxGraphicsFont p;
2661         p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col ));
2662         return p;
2663     }
2664     else
2665         return wxNullGraphicsFont;
2666 }
2667
2668 //
2669 // CoreGraphics Helper Methods
2670 //
2671
2672 // Data Providers and Consumers
2673
2674 size_t UMAPutBytesCFRefCallback( void *info, const void *bytes, size_t count )
2675 {
2676     CFMutableDataRef data = (CFMutableDataRef) info;
2677     if ( data )
2678     {
2679         CFDataAppendBytes( data, (const UInt8*) bytes, count );
2680     }
2681     return count;
2682 }
2683
2684 void wxMacReleaseCFDataProviderCallback(void *info,
2685                                       const void *WXUNUSED(data),
2686                                       size_t WXUNUSED(count))
2687 {
2688     if ( info )
2689         CFRelease( (CFDataRef) info );
2690 }
2691
2692 void wxMacReleaseCFDataConsumerCallback( void *info )
2693 {
2694     if ( info )
2695         CFRelease( (CFDataRef) info );
2696 }
2697
2698 CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data )
2699 {
2700     if ( data == NULL )
2701         return NULL;
2702
2703     return CGDataProviderCreateWithCFData( data );
2704 }
2705
2706 CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data )
2707 {
2708     if ( data == NULL )
2709         return NULL;
2710
2711     return CGDataConsumerCreateWithCFData( data );
2712 }
2713
2714 void
2715 wxMacReleaseMemoryBufferProviderCallback(void *info,
2716                                          const void * WXUNUSED_UNLESS_DEBUG(data),
2717                                          size_t WXUNUSED(size))
2718 {
2719     wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
2720
2721     wxASSERT( data == membuf->GetData() ) ;
2722
2723     delete membuf ;
2724 }
2725
2726 CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf )
2727 {
2728     wxMemoryBuffer* b = new wxMemoryBuffer( buf );
2729     if ( b->GetDataLen() == 0 )
2730         return NULL;
2731
2732     return CGDataProviderCreateWithData( b , (const void *) b->GetData() , b->GetDataLen() ,
2733                                                  wxMacReleaseMemoryBufferProviderCallback );
2734 }