1///////////////////////////////////////////////////////////////////////////// 2// Name: src/mac/carbon/dccg.cpp 3// Purpose: wxDC class 4// Author: Stefan Csomor 5// Modified by: 6// Created: 01/02/97 7// RCS-ID: $Id: dccg.cpp 55129 2008-08-19 04:50:45Z SC $ 8// Copyright: (c) Stefan Csomor 9// Licence: wxWindows licence 10///////////////////////////////////////////////////////////////////////////// 11 12#include "wx/wxprec.h" 13 14#include "wx/dc.h" 15 16#if wxMAC_USE_CORE_GRAPHICS 17 18#ifndef WX_PRECOMP 19 #include "wx/log.h" 20 #include "wx/dcmemory.h" 21 #include "wx/region.h" 22#endif 23 24#include "wx/mac/uma.h" 25 26#ifdef __MSL__ 27 #if __MSL__ >= 0x6000 28 #include "math.h" 29 // in case our functions were defined outside std, we make it known all the same 30 namespace std { } 31 using namespace std ; 32 #endif 33#endif 34 35#include "wx/mac/private.h" 36 37 38#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 39typedef float CGFloat ; 40#endif 41 42#ifndef wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 43#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 44 #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1 45#else 46 #define wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 0 47#endif 48#endif 49 50//----------------------------------------------------------------------------- 51// constants 52//----------------------------------------------------------------------------- 53 54#if !defined( __DARWIN__ ) || defined(__MWERKS__) 55#ifndef M_PI 56const double M_PI = 3.14159265358979 ; 57#endif 58#endif 59 60static const double RAD2DEG = 180.0 / M_PI; 61 62#ifndef __LP64__ 63 64// TODO: update 65// The textctrl implementation still needs that (needs what?) for the non-HIView implementation 66// 67wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) : 68 wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ) 69{ 70 m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ; 71 m_formerClip = NewRgn() ; 72 m_newClip = NewRgn() ; 73 GetClip( m_formerClip ) ; 74 75 if ( win ) 76 { 77 // guard against half constructed objects, this just leads to a empty clip 78 if ( win->GetPeer() ) 79 { 80 int x = 0 , y = 0; 81 win->MacWindowToRootWindow( &x, &y ) ; 82 83 // get area including focus rect 84 CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ; 85 if ( !EmptyRgn( m_newClip ) ) 86 OffsetRgn( m_newClip , x , y ) ; 87 } 88 89 SetClip( m_newClip ) ; 90 } 91} 92 93wxMacWindowClipper::~wxMacWindowClipper() 94{ 95 SetPort( m_newPort ) ; 96 SetClip( m_formerClip ) ; 97 DisposeRgn( m_newClip ) ; 98 DisposeRgn( m_formerClip ) ; 99} 100 101wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) : 102 wxMacWindowClipper( win ) 103{ 104 // the port is already set at this point 105 m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ; 106 GetThemeDrawingState( &m_themeDrawingState ) ; 107} 108 109wxMacWindowStateSaver::~wxMacWindowStateSaver() 110{ 111 SetPort( m_newPort ) ; 112 SetThemeDrawingState( m_themeDrawingState , true ) ; 113} 114 115// minimal implementation only used for appearance drawing < 10.3 116 117#ifndef wxMAC_USE_CORE_GRAPHICS 118wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) : 119 m_ph( (GrafPtr) dc->m_macPort ) 120{ 121 wxASSERT( dc->Ok() ) ; 122 m_dc = dc ; 123 124// dc->MacSetupPort(&m_ph) ; 125} 126 127wxMacPortSetter::~wxMacPortSetter() 128{ 129// m_dc->MacCleanupPort(&m_ph) ; 130} 131 132#endif 133 134#endif 135 136//----------------------------------------------------------------------------- 137// Local functions 138//----------------------------------------------------------------------------- 139 140static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } 141 142//----------------------------------------------------------------------------- 143// device context implementation 144// 145// more and more of the dc functionality should be implemented by calling 146// the appropricate wxMacCGContext, but we will have to do that step by step 147// also coordinate conversions should be moved to native matrix ops 148//----------------------------------------------------------------------------- 149 150// we always stock two context states, one at entry, to be able to preserve the 151// state we were called with, the other one after changing to HI Graphics orientation 152// (this one is used for getting back clippings etc) 153 154//----------------------------------------------------------------------------- 155// wxGraphicPath implementation 156//----------------------------------------------------------------------------- 157 158#if !wxUSE_GRAPHICS_CONTEXT 159 160IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) 161 162wxMacCGPath::wxMacCGPath() 163{ 164 m_path = CGPathCreateMutable() ; 165} 166 167wxMacCGPath::~wxMacCGPath() 168{ 169 CGPathRelease( m_path ) ; 170} 171 172// opens (starts) a new subpath 173void wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 ) 174{ 175 CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ; 176} 177 178void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 ) 179{ 180 CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ; 181} 182 183void wxMacCGPath::AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 ) 184{ 185 CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x1 , y1 ); 186} 187 188void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) 189{ 190 CGRect cgRect = { { x , y } , { w , h } } ; 191 CGPathAddRect( m_path , NULL , cgRect ) ; 192} 193 194void wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord r ) 195{ 196 CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ) ; 197} 198 199// closes the current subpath 200void wxMacCGPath::CloseSubpath() 201{ 202 CGPathCloseSubpath( m_path ) ; 203} 204 205CGPathRef wxMacCGPath::GetPath() const 206{ 207 return m_path ; 208} 209 210void wxMacCGPath::AddArcToPoint( wxCoord x1, wxCoord y1 , wxCoord x2, wxCoord y2, wxCoord r ) 211{ 212 CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); 213} 214 215void wxMacCGPath::AddArc( wxCoord x, wxCoord y, wxCoord r, double startAngle, double endAngle, bool clockwise ) 216{ 217 CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, clockwise); 218} 219 220//----------------------------------------------------------------------------- 221// wxGraphicContext implementation 222//----------------------------------------------------------------------------- 223 224wxMacCGContext::wxMacCGContext( CGrafPtr port ) 225{ 226 m_qdPort = port ; 227 m_cgContext = NULL ; 228 m_mode = kCGPathFill; 229 m_macATSUIStyle = NULL ; 230} 231 232wxMacCGContext::wxMacCGContext( CGContextRef cgcontext ) 233{ 234 m_qdPort = NULL ; 235 m_cgContext = cgcontext ; 236 m_mode = kCGPathFill; 237 m_macATSUIStyle = NULL ; 238 CGContextSaveGState( m_cgContext ) ; 239 CGContextSaveGState( m_cgContext ) ; 240} 241 242wxMacCGContext::wxMacCGContext() 243{ 244 m_qdPort = NULL ; 245 m_cgContext = NULL ; 246 m_mode = kCGPathFill; 247 m_macATSUIStyle = NULL ; 248} 249 250wxMacCGContext::~wxMacCGContext() 251{ 252 if ( m_cgContext ) 253 { 254 CGContextSynchronize( m_cgContext ) ; 255 CGContextRestoreGState( m_cgContext ) ; 256 CGContextRestoreGState( m_cgContext ) ; 257 } 258#ifndef __LP64__ 259 if ( m_qdPort ) 260 QDEndCGContext( m_qdPort, &m_cgContext ) ; 261#endif 262} 263 264 265void wxMacCGContext::Clip( const wxRegion ®ion ) 266{ 267// ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ; 268} 269 270void wxMacCGContext::StrokePath( const wxGraphicPath *p ) 271{ 272 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; 273 274 int width = m_pen.GetWidth(); 275 if ( width == 0 ) 276 width = 1 ; 277 if ( m_pen.GetStyle() == wxTRANSPARENT ) 278 width = 0 ; 279 280 bool offset = ( width % 2 ) == 1 ; 281 282 if ( offset ) 283 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); 284 285 CGContextAddPath( m_cgContext , path->GetPath() ) ; 286 CGContextStrokePath( m_cgContext ) ; 287 288 if ( offset ) 289 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); 290} 291 292void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle ) 293{ 294 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; 295 CGPathDrawingMode mode = m_mode ; 296 297 if ( fillStyle == wxODDEVEN_RULE ) 298 { 299 if ( mode == kCGPathFill ) 300 mode = kCGPathEOFill ; 301 else if ( mode == kCGPathFillStroke ) 302 mode = kCGPathEOFillStroke ; 303 } 304 305 int width = m_pen.GetWidth(); 306 if ( width == 0 ) 307 width = 1 ; 308 if ( m_pen.GetStyle() == wxTRANSPARENT ) 309 width = 0 ; 310 311 bool offset = ( width % 2 ) == 1 ; 312 313 if ( offset ) 314 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 ); 315 316 CGContextAddPath( m_cgContext , path->GetPath() ) ; 317 CGContextDrawPath( m_cgContext , mode ) ; 318 319 if ( offset ) 320 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 ); 321} 322 323void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle ) 324{ 325 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ; 326 CGContextSaveGState( m_cgContext ) ; 327 328 RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ; 329 CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; 330 CGPathDrawingMode mode = kCGPathFill ; 331 332 if ( fillStyle == wxODDEVEN_RULE ) 333 mode = kCGPathEOFill ; 334 335 CGContextBeginPath( m_cgContext ) ; 336 CGContextAddPath( m_cgContext , path->GetPath() ) ; 337 CGContextClosePath( m_cgContext ) ; 338 CGContextDrawPath( m_cgContext , mode ) ; 339 340 CGContextRestoreGState( m_cgContext ) ; 341} 342 343wxGraphicPath* wxMacCGContext::CreatePath() 344{ 345 // make sure that we now have a real cgref, before doing 346 // anything with paths 347 CGContextRef cg = GetNativeContext() ; 348 cg = NULL ; 349 350 return new wxMacCGPath() ; 351} 352 353// in case we only got a QDPort only create a cgref now 354 355CGContextRef wxMacCGContext::GetNativeContext() 356{ 357 if ( m_cgContext == NULL ) 358 { 359 Rect bounds ; 360 OSStatus status = noErr; 361#ifndef __LP64__ 362 GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ; 363 status = QDBeginCGContext((CGrafPtr) m_qdPort , &m_cgContext) ; 364#endif 365 CGContextSaveGState( m_cgContext ) ; 366 367 wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ; 368 369 CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ) ; 370 CGContextScaleCTM( m_cgContext , 1 , -1 ) ; 371 372 CGContextSaveGState( m_cgContext ) ; 373 SetPen( m_pen ) ; 374 SetBrush( m_brush ) ; 375 } 376 377 return m_cgContext ; 378} 379 380void wxMacCGContext::SetNativeContext( CGContextRef cg ) 381{ 382 // we allow either setting or clearing but not replacing 383 wxASSERT( m_cgContext == NULL || cg == NULL ) ; 384 385 if ( cg ) 386 CGContextSaveGState( cg ) ; 387 m_cgContext = cg ; 388} 389 390void wxMacCGContext::Translate( wxCoord dx , wxCoord dy ) 391{ 392 CGContextTranslateCTM( m_cgContext, dx, dy ); 393} 394 395void wxMacCGContext::Scale( wxCoord xScale , wxCoord yScale ) 396{ 397 CGContextScaleCTM( m_cgContext , xScale , yScale ) ; 398} 399 400void wxMacCGContext::DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) 401{ 402 CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ; 403 HIRect r = CGRectMake( 0 , 0 , w , h ); 404 405 CGContextSaveGState( m_cgContext ); 406 CGContextTranslateCTM( m_cgContext, x , y + h ); 407 CGContextScaleCTM( m_cgContext, 1, -1 ); 408 409 // in case image is a mask, set the foreground color 410 CGContextSetRGBFillColor( m_cgContext , m_textForegroundColor.Red() / 255.0 , m_textForegroundColor.Green() / 255.0 , 411 m_textForegroundColor.Blue() / 255.0 , m_textForegroundColor.Alpha() / 255.0 ) ; 412 CGContextDrawImage( m_cgContext, r, image ); 413 CGContextRestoreGState( m_cgContext ); 414 415 CGImageRelease( image ) ; 416} 417 418void wxMacCGContext::DrawIcon( const wxIcon &icon, wxCoord x, wxCoord y, wxCoord w, wxCoord h ) 419{ 420 CGRect r = CGRectMake( 0 , 0 , w , h ) ; 421 CGContextSaveGState( m_cgContext ); 422 CGContextTranslateCTM( m_cgContext, x , y + h ); 423 CGContextScaleCTM( m_cgContext, 1, -1 ); 424 PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone , 425 NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ; 426 CGContextRestoreGState( m_cgContext ) ; 427} 428 429void wxMacCGContext::PushState() 430{ 431 CGContextSaveGState( m_cgContext ); 432} 433 434void wxMacCGContext::PopState() 435{ 436 CGContextRestoreGState( m_cgContext ); 437} 438 439void wxMacCGContext::SetTextColor( const wxColour &col ) 440{ 441 m_textForegroundColor = col ; 442} 443 444#pragma mark - 445#pragma mark wxMacCGPattern, ImagePattern, HatchPattern classes 446 447// CGPattern wrapper class: always allocate on heap, never call destructor 448 449class wxMacCGPattern 450{ 451public : 452 wxMacCGPattern() {} 453 454 // is guaranteed to be called only with a non-Null CGContextRef 455 virtual void Render( CGContextRef ctxRef ) = 0 ; 456 457 operator CGPatternRef() const { return m_patternRef ; } 458 459protected : 460 virtual ~wxMacCGPattern() 461 { 462 // as this is called only when the m_patternRef is been released; 463 // don't release it again 464 } 465 466 static void _Render( void *info, CGContextRef ctxRef ) 467 { 468 wxMacCGPattern* self = (wxMacCGPattern*) info ; 469 if ( self && ctxRef ) 470 self->Render( ctxRef ) ; 471 } 472 473 static void _Dispose( void *info ) 474 { 475 wxMacCGPattern* self = (wxMacCGPattern*) info ; 476 delete self ; 477 } 478 479 CGPatternRef m_patternRef ; 480 481 static const CGPatternCallbacks ms_Callbacks ; 482} ; 483 484const CGPatternCallbacks wxMacCGPattern::ms_Callbacks = { 0, &wxMacCGPattern::_Render, &wxMacCGPattern::_Dispose }; 485 486class ImagePattern : public wxMacCGPattern 487{ 488public : 489 ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform ) 490 { 491 wxASSERT( bmp && bmp->Ok() ) ; 492 493 Init( (CGImageRef) bmp->CGImageCreate() , transform ) ; 494 } 495 496 // ImagePattern takes ownership of CGImageRef passed in 497 ImagePattern( CGImageRef image , const CGAffineTransform& transform ) 498 { 499 if ( image ) 500 CFRetain( image ) ; 501 502 Init( image , transform ) ; 503 } 504 505 virtual void Render( CGContextRef ctxRef ) 506 { 507 if (m_image != NULL) 508 HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image ); 509 } 510 511protected : 512 void Init( CGImageRef image, const CGAffineTransform& transform ) 513 { 514 m_image = image ; 515 if ( m_image ) 516 { 517 m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ) ; 518 m_patternRef = CGPatternCreate( 519 this , m_imageBounds, transform , 520 m_imageBounds.size.width, m_imageBounds.size.height, 521 kCGPatternTilingNoDistortion, true , &wxMacCGPattern::ms_Callbacks ) ; 522 } 523 } 524 525 virtual ~ImagePattern() 526 { 527 if ( m_image ) 528 CGImageRelease( m_image ) ; 529 } 530 531 CGImageRef m_image ; 532 CGRect m_imageBounds ; 533} ; 534 535class HatchPattern : public wxMacCGPattern 536{ 537public : 538 HatchPattern( int hatchstyle, const CGAffineTransform& transform ) 539 { 540 m_hatch = hatchstyle ; 541 m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ) ; 542 m_patternRef = CGPatternCreate( 543 this , m_imageBounds, transform , 544 m_imageBounds.size.width, m_imageBounds.size.height, 545 kCGPatternTilingNoDistortion, false , &wxMacCGPattern::ms_Callbacks ) ; 546 } 547 548 void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) 549 { 550#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 551 if ( UMAGetSystemVersion() >= 0x1040 ) 552 { 553 CGContextStrokeLineSegments( ctxRef , pts , count ) ; 554 } 555 else 556#endif 557 { 558 CGContextBeginPath( ctxRef ); 559 for (size_t i = 0; i < count; i += 2) 560 { 561 CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y); 562 CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y); 563 } 564 CGContextStrokePath(ctxRef); 565 } 566 } 567 568 virtual void Render( CGContextRef ctxRef ) 569 { 570 switch ( m_hatch ) 571 { 572 case wxBDIAGONAL_HATCH : 573 { 574 CGPoint pts[] = 575 { 576 { 8.0 , 0.0 } , { 0.0 , 8.0 } 577 }; 578 StrokeLineSegments( ctxRef , pts , 2 ) ; 579 } 580 break ; 581 582 case wxCROSSDIAG_HATCH : 583 { 584 CGPoint pts[] = 585 { 586 { 0.0 , 0.0 } , { 8.0 , 8.0 } , 587 { 8.0 , 0.0 } , { 0.0 , 8.0 } 588 }; 589 StrokeLineSegments( ctxRef , pts , 4 ) ; 590 } 591 break ; 592 593 case wxFDIAGONAL_HATCH : 594 { 595 CGPoint pts[] = 596 { 597 { 0.0 , 0.0 } , { 8.0 , 8.0 } 598 }; 599 StrokeLineSegments( ctxRef , pts , 2 ) ; 600 } 601 break ; 602 603 case wxCROSS_HATCH : 604 { 605 CGPoint pts[] = 606 { 607 { 0.0 , 4.0 } , { 8.0 , 4.0 } , 608 { 4.0 , 0.0 } , { 4.0 , 8.0 } , 609 }; 610 StrokeLineSegments( ctxRef , pts , 4 ) ; 611 } 612 break ; 613 614 case wxHORIZONTAL_HATCH : 615 { 616 CGPoint pts[] = 617 { 618 { 0.0 , 4.0 } , { 8.0 , 4.0 } , 619 }; 620 StrokeLineSegments( ctxRef , pts , 2 ) ; 621 } 622 break ; 623 624 case wxVERTICAL_HATCH : 625 { 626 CGPoint pts[] = 627 { 628 { 4.0 , 0.0 } , { 4.0 , 8.0 } , 629 }; 630 StrokeLineSegments( ctxRef , pts , 2 ) ; 631 } 632 break ; 633 634 default: 635 break; 636 } 637 } 638 639protected : 640 virtual ~HatchPattern() {} 641 642 CGRect m_imageBounds ; 643 int m_hatch ; 644}; 645 646#pragma mark - 647 648void wxMacCGContext::SetPen( const wxPen &pen ) 649{ 650 m_pen = pen ; 651 if ( m_cgContext == NULL ) 652 return ; 653 654 bool fill = m_brush.GetStyle() != wxTRANSPARENT ; 655 bool stroke = pen.GetStyle() != wxTRANSPARENT ; 656 657#if 0 658 // we can benchmark performance; should go into a setting eventually 659 CGContextSetShouldAntialias( m_cgContext , false ) ; 660#endif 661 662 if ( fill || stroke ) 663 { 664 // set up brushes 665 m_mode = kCGPathFill ; // just a default 666 667 if ( stroke ) 668 { 669 CGContextSetRGBStrokeColor( m_cgContext , pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , 670 pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 ) ; 671 672 // TODO: * m_dc->m_scaleX 673 CGFloat penWidth = pen.GetWidth(); 674 if (penWidth <= 0.0) 675 penWidth = 0.1; 676 CGContextSetLineWidth( m_cgContext , penWidth ) ; 677 678 CGLineCap cap ; 679 switch ( pen.GetCap() ) 680 { 681 case wxCAP_ROUND : 682 cap = kCGLineCapRound ; 683 break ; 684 685 case wxCAP_PROJECTING : 686 cap = kCGLineCapSquare ; 687 break ; 688 689 case wxCAP_BUTT : 690 cap = kCGLineCapButt ; 691 break ; 692 693 default : 694 cap = kCGLineCapButt ; 695 break ; 696 } 697 698 CGLineJoin join ; 699 switch ( pen.GetJoin() ) 700 { 701 case wxJOIN_BEVEL : 702 join = kCGLineJoinBevel ; 703 break ; 704 705 case wxJOIN_MITER : 706 join = kCGLineJoinMiter ; 707 break ; 708 709 case wxJOIN_ROUND : 710 join = kCGLineJoinRound ; 711 break ; 712 713 default : 714 join = kCGLineJoinMiter ; 715 break; 716 } 717 718 m_mode = kCGPathStroke ; 719 int count = 0 ; 720 721 const CGFloat *lengths = NULL ; 722 CGFloat *userLengths = NULL ; 723 724 const CGFloat dashUnit = penWidth < 1.0 ? 1.0 : penWidth; 725 726 const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; 727 const CGFloat short_dashed[] = { 9.0 , 6.0 }; 728 const CGFloat dashed[] = { 19.0 , 9.0 }; 729 const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; 730 731 switch ( pen.GetStyle() ) 732 { 733 case wxSOLID : 734 break ; 735 736 case wxDOT : 737 lengths = dotted ; 738 count = WXSIZEOF(dotted); 739 break ; 740 741 case wxLONG_DASH : 742 lengths = dashed ; 743 count = WXSIZEOF(dashed) ; 744 break ; 745 746 case wxSHORT_DASH : 747 lengths = short_dashed ; 748 count = WXSIZEOF(short_dashed) ; 749 break ; 750 751 case wxDOT_DASH : 752 lengths = dotted_dashed ; 753 count = WXSIZEOF(dotted_dashed); 754 break ; 755 756 case wxUSER_DASH : 757 wxDash *dashes ; 758 count = pen.GetDashes( &dashes ) ; 759 if ((dashes != NULL) && (count > 0)) 760 { 761 userLengths = new CGFloat[count] ; 762 for ( int i = 0 ; i < count ; ++i ) 763 { 764 userLengths[i] = dashes[i] * dashUnit ; 765 766 if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 ) 767 userLengths[i] = dashUnit + 2.0 ; 768 else if ( i % 2 == 0 && userLengths[i] < dashUnit ) 769 userLengths[i] = dashUnit ; 770 } 771 } 772 lengths = userLengths ; 773 break ; 774 775 case wxSTIPPLE : 776 { 777 CGFloat alphaArray[1] = { 1.0 } ; 778 wxBitmap* bmp = pen.GetStipple() ; 779 if ( bmp && bmp->Ok() ) 780 { 781 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ; 782 CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ; 783 wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); 784 CGContextSetStrokePattern( m_cgContext, pattern , alphaArray ) ; 785 } 786 } 787 break ; 788 789 default : 790 { 791 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ; 792 CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ; 793 wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); 794 795 CGFloat colorArray[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 , 796 pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ; 797 798 CGContextSetStrokePattern( m_cgContext, pattern , colorArray ) ; 799 } 800 break ; 801 } 802 803 if ((lengths != NULL) && (count > 0)) 804 { 805 CGContextSetLineDash( m_cgContext , 0 , lengths , count ) ; 806 // force the line cap, otherwise we get artifacts (overlaps) and just solid lines 807 cap = kCGLineCapButt ; 808 } 809 else 810 { 811 CGContextSetLineDash( m_cgContext , 0 , NULL , 0 ) ; 812 } 813 814 CGContextSetLineCap( m_cgContext , cap ) ; 815 CGContextSetLineJoin( m_cgContext , join ) ; 816 817 delete[] userLengths ; 818 } 819 820 if ( fill && stroke ) 821 m_mode = kCGPathFillStroke ; 822 } 823} 824 825void wxMacCGContext::SetBrush( const wxBrush &brush ) 826{ 827 m_brush = brush ; 828 if ( m_cgContext == NULL ) 829 return ; 830 831 bool fill = brush.GetStyle() != wxTRANSPARENT ; 832 bool stroke = m_pen.GetStyle() != wxTRANSPARENT ; 833 834#if 0 835 // we can benchmark performance, should go into a setting later 836 CGContextSetShouldAntialias( m_cgContext , false ) ; 837#endif 838 839 if ( fill || stroke ) 840 { 841 // setup brushes 842 m_mode = kCGPathFill ; // just a default 843 844 if ( fill ) 845 { 846 if ( brush.GetStyle() == wxSOLID ) 847 { 848 CGContextSetRGBFillColor( m_cgContext , brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , 849 brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 ) ; 850 } 851 else if ( brush.IsHatch() ) 852 { 853 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ; 854 CGContextSetFillColorSpace( m_cgContext , patternSpace ) ; 855 wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) ); 856 857 CGFloat colorArray[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 , 858 brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ; 859 860 CGContextSetFillPattern( m_cgContext, pattern , colorArray ) ; 861 } 862 else 863 { 864 // now brush is a bitmap 865 CGFloat alphaArray[1] = { 1.0 } ; 866 wxBitmap* bmp = brush.GetStipple() ; 867 if ( bmp && bmp->Ok() ) 868 { 869 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ; 870 CGContextSetFillColorSpace( m_cgContext , patternSpace ) ; 871 wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) ); 872 CGContextSetFillPattern( m_cgContext, pattern , alphaArray ) ; 873 } 874 } 875 876 m_mode = kCGPathFill ; 877 } 878 879 if ( fill && stroke ) 880 m_mode = kCGPathFillStroke ; 881 else if ( stroke ) 882 m_mode = kCGPathStroke ; 883 } 884} 885 886void wxMacCGContext::DrawText( const wxString &str, wxCoord x, wxCoord y, double angle ) 887{ 888 OSStatus status = noErr ; 889 ATSUTextLayout atsuLayout ; 890 UniCharCount chars = str.length() ; 891 UniChar* ubuf = NULL ; 892 893#if SIZEOF_WCHAR_T == 4 894 wxMBConvUTF16 converter ; 895#if wxUSE_UNICODE 896 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ; 897 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 898 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ; 899#else 900 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; 901 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; 902 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 903 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; 904#endif 905 chars = unicharlen / 2 ; 906#else 907#if wxUSE_UNICODE 908 ubuf = (UniChar*) str.wc_str() ; 909#else 910 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; 911 chars = wxWcslen( wchar.data() ) ; 912 ubuf = (UniChar*) wchar.data() ; 913#endif 914#endif 915 916 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , 917 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; 918 919 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); 920 921 status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ; 922 wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); 923 924 int iAngle = int( angle ); 925 if ( abs(iAngle) > 0 ) 926 { 927 Fixed atsuAngle = IntToFixed( iAngle ) ; 928 ATSUAttributeTag atsuTags[] = 929 { 930 kATSULineRotationTag , 931 } ; 932 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 933 { 934 sizeof( Fixed ) , 935 } ; 936 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 937 { 938 &atsuAngle , 939 } ; 940 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), 941 atsuTags, atsuSizes, atsuValues ) ; 942 } 943 944 { 945 ATSUAttributeTag atsuTags[] = 946 { 947 kATSUCGContextTag , 948 } ; 949 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 950 { 951 sizeof( CGContextRef ) , 952 } ; 953 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 954 { 955 &m_cgContext , 956 } ; 957 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), 958 atsuTags, atsuSizes, atsuValues ) ; 959 } 960 961 ATSUTextMeasurement textBefore, textAfter ; 962 ATSUTextMeasurement ascent, descent ; 963 964 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, 965 &textBefore , &textAfter, &ascent , &descent ); 966 967 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); 968 969 Rect rect ; 970/* 971 // TODO 972 if ( m_backgroundMode == wxSOLID ) 973 { 974 wxGraphicPath* path = m_graphicContext->CreatePath() ; 975 path->MoveToPoint( drawX , drawY ) ; 976 path->AddLineToPoint( 977 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) , 978 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) ) ; 979 path->AddLineToPoint( 980 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , 981 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ; 982 path->AddLineToPoint( 983 (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) , 984 (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ; 985 986 m_graphicContext->FillPath( path , m_textBackgroundColour ) ; 987 delete path ; 988 } 989*/ 990 x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent)); 991 y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent)); 992 993 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, 994 IntToFixed(x) , IntToFixed(y) , &rect ); 995 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); 996 997 CGContextSaveGState(m_cgContext); 998 CGContextTranslateCTM(m_cgContext, x, y); 999 CGContextScaleCTM(m_cgContext, 1, -1); 1000 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, 1001 IntToFixed(0) , IntToFixed(0) ); 1002 1003 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") ); 1004 1005 CGContextRestoreGState(m_cgContext) ; 1006 1007 ::ATSUDisposeTextLayout(atsuLayout); 1008 1009#if SIZEOF_WCHAR_T == 4 1010 free( ubuf ) ; 1011#endif 1012} 1013 1014void wxMacCGContext::GetTextExtent( const wxString &str, wxCoord *width, wxCoord *height, 1015 wxCoord *descent, wxCoord *externalLeading ) const 1016{ 1017 wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ) ; 1018 1019 OSStatus status = noErr ; 1020 1021 ATSUTextLayout atsuLayout ; 1022 UniCharCount chars = str.length() ; 1023 UniChar* ubuf = NULL ; 1024 1025#if SIZEOF_WCHAR_T == 4 1026 wxMBConvUTF16 converter ; 1027#if wxUSE_UNICODE 1028 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ; 1029 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 1030 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ; 1031#else 1032 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; 1033 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; 1034 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 1035 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; 1036#endif 1037 chars = unicharlen / 2 ; 1038#else 1039#if wxUSE_UNICODE 1040 ubuf = (UniChar*) str.wc_str() ; 1041#else 1042 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ; 1043 chars = wxWcslen( wchar.data() ) ; 1044 ubuf = (UniChar*) wchar.data() ; 1045#endif 1046#endif 1047 1048 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , 1049 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; 1050 1051 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); 1052 1053 ATSUTextMeasurement textBefore, textAfter ; 1054 ATSUTextMeasurement textAscent, textDescent ; 1055 1056 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, 1057 &textBefore , &textAfter, &textAscent , &textDescent ); 1058 1059 if ( height ) 1060 *height = FixedToInt(textAscent + textDescent) ; 1061 if ( descent ) 1062 *descent = FixedToInt(textDescent) ; 1063 if ( externalLeading ) 1064 *externalLeading = 0 ; 1065 if ( width ) 1066 *width = FixedToInt(textAfter - textBefore) ; 1067 1068 ::ATSUDisposeTextLayout(atsuLayout); 1069#if SIZEOF_WCHAR_T == 4 1070 free( ubuf ) ; 1071#endif 1072} 1073 1074void wxMacCGContext::GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const 1075{ 1076 widths.Empty(); 1077 widths.Add(0, text.length()); 1078 1079 if (text.empty()) 1080 return ; 1081 1082 ATSUTextLayout atsuLayout ; 1083 UniCharCount chars = text.length() ; 1084 UniChar* ubuf = NULL ; 1085 1086#if SIZEOF_WCHAR_T == 4 1087 wxMBConvUTF16 converter ; 1088#if wxUSE_UNICODE 1089 size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ) ; 1090 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 1091 converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ) ; 1092#else 1093 const wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ; 1094 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ; 1095 ubuf = (UniChar*) malloc( unicharlen + 2 ) ; 1096 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ; 1097#endif 1098 chars = unicharlen / 2 ; 1099#else 1100#if wxUSE_UNICODE 1101 ubuf = (UniChar*) text.wc_str() ; 1102#else 1103 wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ; 1104 chars = wxWcslen( wchar.data() ) ; 1105 ubuf = (UniChar*) wchar.data() ; 1106#endif 1107#endif 1108 1109 ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 , 1110 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ; 1111 1112 for ( int pos = 0; pos < (int)chars; pos ++ ) 1113 { 1114 unsigned long actualNumberOfBounds = 0; 1115 ATSTrapezoid glyphBounds; 1116 1117 // We get a single bound, since the text should only require one. If it requires more, there is an issue 1118 OSStatus result; 1119 result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, 1120 kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ); 1121 if (result != noErr || actualNumberOfBounds != 1 ) 1122 return ; 1123 1124 widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ); 1125 //unsigned char uch = s[i]; 1126 } 1127 1128 ::ATSUDisposeTextLayout(atsuLayout); 1129#if SIZEOF_WCHAR_T == 4 1130 free( ubuf ) ; 1131#endif 1132} 1133 1134void wxMacCGContext::SetFont( const wxFont &font ) 1135{ 1136 if ( m_macATSUIStyle ) 1137 { 1138 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); 1139 m_macATSUIStyle = NULL ; 1140 } 1141 1142 if ( font.Ok() ) 1143 { 1144 OSStatus status ; 1145 1146 status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ; 1147 1148 wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ) ; 1149 1150 // we need the scale here ... 1151 1152 Fixed atsuSize = IntToFixed( int( /*m_scaleY*/ 1 * font.MacGetFontSize()) ) ; 1153 RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColor.GetPixel() ) ; 1154 ATSUAttributeTag atsuTags[] = 1155 { 1156 kATSUSizeTag , 1157 kATSUColorTag , 1158 } ; 1159 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 1160 { 1161 sizeof( Fixed ) , 1162 sizeof( RGBColor ) , 1163 } ; 1164 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = 1165 { 1166 &atsuSize , 1167 &atsuColor , 1168 } ; 1169 1170 status = ::ATSUSetAttributes( 1171 (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , 1172 atsuTags, atsuSizes, atsuValues); 1173 1174 wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ) ; 1175 } 1176} 1177 1178 1179#pragma mark - 1180 1181wxDC::wxDC() 1182{ 1183 m_ok = false ; 1184 m_colour = true; 1185 m_mm_to_pix_x = mm2pt; 1186 m_mm_to_pix_y = mm2pt; 1187 1188 m_externalDeviceOriginX = 0; 1189 m_externalDeviceOriginY = 0; 1190 m_logicalScaleX = 1.0; 1191 m_logicalScaleY = 1.0; 1192 m_userScaleX = 1.0; 1193 m_userScaleY = 1.0; 1194 m_scaleX = 1.0; 1195 m_scaleY = 1.0; 1196 m_needComputeScaleX = 1197 m_needComputeScaleY = false; 1198 1199 m_macPort = 0 ; 1200 m_macLocalOrigin.x = 1201 m_macLocalOrigin.y = 0 ; 1202 1203 m_pen = *wxBLACK_PEN; 1204 m_font = *wxNORMAL_FONT; 1205 m_brush = *wxWHITE_BRUSH; 1206 1207 m_macATSUIStyle = NULL ; 1208 m_graphicContext = NULL ; 1209} 1210 1211wxDC::~wxDC() 1212{ 1213 if ( m_macATSUIStyle ) 1214 { 1215 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); 1216 m_macATSUIStyle = NULL ; 1217 } 1218 1219 delete m_graphicContext ; 1220} 1221 1222void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) 1223{ 1224 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid DC") ); 1225 wxCHECK_RET( bmp.Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid bitmap") ); 1226 1227 wxCoord xx = XLOG2DEVMAC(x); 1228 wxCoord yy = YLOG2DEVMAC(y); 1229 wxCoord w = bmp.GetWidth(); 1230 wxCoord h = bmp.GetHeight(); 1231 wxCoord ww = XLOG2DEVREL(w); 1232 wxCoord hh = YLOG2DEVREL(h); 1233 1234 if ( bmp.GetDepth()==1 ) 1235 { 1236 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1237 path->AddRectangle( xx , yy , ww , hh ) ; 1238 m_graphicContext->FillPath( path , m_textBackgroundColour, wxODDEVEN_RULE) ; 1239 delete path; 1240 m_graphicContext->DrawBitmap( bmp, xx , yy , ww , hh ) ; 1241 } 1242 else 1243 { 1244 m_graphicContext->DrawBitmap( bmp, xx , yy , ww , hh ) ; 1245 } 1246} 1247 1248void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y ) 1249{ 1250 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid DC") ); 1251 wxCHECK_RET( icon.Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid icon") ); 1252 1253 wxCoord xx = XLOG2DEVMAC(x); 1254 wxCoord yy = YLOG2DEVMAC(y); 1255 wxCoord w = icon.GetWidth(); 1256 wxCoord h = icon.GetHeight(); 1257 wxCoord ww = XLOG2DEVREL(w); 1258 wxCoord hh = YLOG2DEVREL(h); 1259 1260 m_graphicContext->DrawIcon( icon , xx, yy, ww, hh ) ; 1261} 1262 1263void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) 1264{ 1265 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegion - invalid DC") ); 1266 1267 wxCoord xx, yy, ww, hh; 1268 xx = XLOG2DEVMAC(x); 1269 yy = YLOG2DEVMAC(y); 1270 ww = XLOG2DEVREL(width); 1271 hh = YLOG2DEVREL(height); 1272 1273 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; 1274 CGRect clipRect = CGRectMake( xx , yy , ww, hh ) ; 1275 CGContextClipToRect( cgContext , clipRect ) ; 1276 1277// SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ; 1278// SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ; 1279 1280 if ( m_clipping ) 1281 { 1282 m_clipX1 = wxMax( m_clipX1, xx ); 1283 m_clipY1 = wxMax( m_clipY1, yy ); 1284 m_clipX2 = wxMin( m_clipX2, (xx + ww) ); 1285 m_clipY2 = wxMin( m_clipY2, (yy + hh) ); 1286 } 1287 else 1288 { 1289 m_clipping = true; 1290 1291 m_clipX1 = xx; 1292 m_clipY1 = yy; 1293 m_clipX2 = xx + ww; 1294 m_clipY2 = yy + hh; 1295 } 1296 1297 // TODO: as soon as we don't reset the context for each operation anymore 1298 // we have to update the context as well 1299} 1300 1301void wxDC::DoSetClippingRegionAsRegion( const wxRegion ®ion ) 1302{ 1303 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegionAsRegion - invalid DC") ); 1304 1305 if (region.Empty()) 1306 { 1307 DestroyClippingRegion(); 1308 return; 1309 } 1310 1311 wxCoord x, y, w, h; 1312 region.GetBox( x, y, w, h ); 1313 wxCoord xx, yy, ww, hh; 1314 xx = XLOG2DEVMAC(x); 1315 yy = YLOG2DEVMAC(y); 1316 ww = XLOG2DEVREL(w); 1317 hh = YLOG2DEVREL(h); 1318 1319 // if we have a scaling that we cannot map onto native regions 1320 // we must use the box 1321 if ( ww != w || hh != h ) 1322 { 1323 wxDC::DoSetClippingRegion( x, y, w, h ); 1324 } 1325 else 1326 { 1327 if ( m_clipping ) 1328 { 1329 m_clipX1 = wxMax( m_clipX1, xx ); 1330 m_clipY1 = wxMax( m_clipY1, yy ); 1331 m_clipX2 = wxMin( m_clipX2, (xx + ww) ); 1332 m_clipY2 = wxMin( m_clipY2, (yy + hh) ); 1333 } 1334 else 1335 { 1336 m_clipping = true; 1337 1338 m_clipX1 = xx; 1339 m_clipY1 = yy; 1340 m_clipX2 = xx + ww; 1341 m_clipY2 = yy + hh; 1342 } 1343 } 1344} 1345 1346void wxDC::DestroyClippingRegion() 1347{ 1348 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; 1349 CGContextRestoreGState( cgContext ); 1350 CGContextSaveGState( cgContext ); 1351 1352 m_graphicContext->SetPen( m_pen ) ; 1353 m_graphicContext->SetBrush( m_brush ) ; 1354 1355 m_clipping = false; 1356} 1357 1358void wxDC::DoGetSizeMM( int* width, int* height ) const 1359{ 1360 int w = 0, h = 0; 1361 1362 GetSize( &w, &h ); 1363 if (width) 1364 *width = long( double(w) / (m_scaleX * m_mm_to_pix_x) ); 1365 if (height) 1366 *height = long( double(h) / (m_scaleY * m_mm_to_pix_y) ); 1367} 1368 1369void wxDC::SetTextForeground( const wxColour &col ) 1370{ 1371 wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextForeground - invalid DC") ); 1372 1373 if ( col != m_textForegroundColour ) 1374 { 1375 m_textForegroundColour = col; 1376 m_graphicContext->SetTextColor( col ); 1377 // in the current implementation the font contains the text color 1378 m_graphicContext->SetFont(m_font); 1379 } 1380} 1381 1382void wxDC::SetTextBackground( const wxColour &col ) 1383{ 1384 wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextBackground - invalid DC") ); 1385 1386 m_textBackgroundColour = col; 1387} 1388 1389void wxDC::SetMapMode( int mode ) 1390{ 1391 switch (mode) 1392 { 1393 case wxMM_TWIPS: 1394 SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y ); 1395 break; 1396 1397 case wxMM_POINTS: 1398 SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y ); 1399 break; 1400 1401 case wxMM_METRIC: 1402 SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y ); 1403 break; 1404 1405 case wxMM_LOMETRIC: 1406 SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 ); 1407 break; 1408 1409 case wxMM_TEXT: 1410 default: 1411 SetLogicalScale( 1.0, 1.0 ); 1412 break; 1413 } 1414 1415 if (mode != wxMM_TEXT) 1416 { 1417 m_needComputeScaleX = 1418 m_needComputeScaleY = true; 1419 } 1420} 1421 1422void wxDC::SetUserScale( double x, double y ) 1423{ 1424 // allow negative ? -> no 1425 m_userScaleX = x; 1426 m_userScaleY = y; 1427 ComputeScaleAndOrigin(); 1428} 1429 1430void wxDC::SetLogicalScale( double x, double y ) 1431{ 1432 // allow negative ? 1433 m_logicalScaleX = x; 1434 m_logicalScaleY = y; 1435 ComputeScaleAndOrigin(); 1436} 1437 1438void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) 1439{ 1440 m_logicalOriginX = x * m_signX; // is this still correct ? 1441 m_logicalOriginY = y * m_signY; 1442 ComputeScaleAndOrigin(); 1443} 1444 1445void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) 1446{ 1447 m_externalDeviceOriginX = x; 1448 m_externalDeviceOriginY = y; 1449 ComputeScaleAndOrigin(); 1450} 1451 1452void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) 1453{ 1454 m_signX = (xLeftRight ? 1 : -1); 1455 m_signY = (yBottomUp ? -1 : 1); 1456 ComputeScaleAndOrigin(); 1457} 1458 1459wxSize wxDC::GetPPI() const 1460{ 1461 return wxSize(72, 72); 1462} 1463 1464int wxDC::GetDepth() const 1465{ 1466 return 32; 1467} 1468 1469void wxDC::ComputeScaleAndOrigin() 1470{ 1471 // CMB: copy scale to see if it changes 1472 double origScaleX = m_scaleX; 1473 double origScaleY = m_scaleY; 1474 m_scaleX = m_logicalScaleX * m_userScaleX; 1475 m_scaleY = m_logicalScaleY * m_userScaleY; 1476 m_deviceOriginX = m_externalDeviceOriginX; 1477 m_deviceOriginY = m_externalDeviceOriginY; 1478 1479 // CMB: if scale has changed call SetPen to recalulate the line width 1480 if (m_scaleX != origScaleX || m_scaleY != origScaleY) 1481 { 1482 // this is a bit artificial, but we need to force wxDC to think 1483 // the pen has changed 1484 wxPen pen( GetPen() ); 1485 1486 m_pen = wxNullPen; 1487 SetPen( pen ); 1488 } 1489} 1490 1491void wxDC::SetPalette( const wxPalette& palette ) 1492{ 1493} 1494 1495void wxDC::SetBackgroundMode( int mode ) 1496{ 1497 m_backgroundMode = mode ; 1498} 1499 1500void wxDC::SetFont( const wxFont &font ) 1501{ 1502 m_font = font; 1503 if ( m_graphicContext ) 1504 m_graphicContext->SetFont( font ) ; 1505} 1506 1507void wxDC::SetPen( const wxPen &pen ) 1508{ 1509 if ( m_pen == pen ) 1510 return ; 1511 1512 m_pen = pen; 1513 if ( m_graphicContext ) 1514 { 1515 if ( m_pen.GetStyle() == wxSOLID || m_pen.GetStyle() == wxTRANSPARENT ) 1516 { 1517 m_graphicContext->SetPen( m_pen ) ; 1518 } 1519 else 1520 { 1521 // we have to compensate for moved device origins etc. otherwise patterned pens are standing still 1522 // eg when using a wxScrollWindow and scrolling around 1523 int origX = XLOG2DEVMAC( 0 ) ; 1524 int origY = YLOG2DEVMAC( 0 ) ; 1525 m_graphicContext->Translate( origX , origY ) ; 1526 m_graphicContext->SetPen( m_pen ) ; 1527 m_graphicContext->Translate( -origX , -origY ) ; 1528 } 1529 } 1530} 1531 1532void wxDC::SetBrush( const wxBrush &brush ) 1533{ 1534 if (m_brush == brush) 1535 return; 1536 1537 m_brush = brush; 1538 if ( m_graphicContext ) 1539 { 1540 if ( brush.GetStyle() == wxSOLID || brush.GetStyle() == wxTRANSPARENT ) 1541 { 1542 m_graphicContext->SetBrush( m_brush ) ; 1543 } 1544 else 1545 { 1546 // we have to compensate for moved device origins etc. otherwise patterned brushes are standing still 1547 // eg when using a wxScrollWindow and scrolling around 1548 int origX = XLOG2DEVMAC(0) ; 1549 int origY = YLOG2DEVMAC(0) ; 1550 m_graphicContext->Translate( origX , origY ) ; 1551 m_graphicContext->SetBrush( m_brush ) ; 1552 m_graphicContext->Translate( -origX , -origY ) ; 1553 } 1554 } 1555} 1556 1557void wxDC::SetBackground( const wxBrush &brush ) 1558{ 1559 if (m_backgroundBrush == brush) 1560 return; 1561 1562 m_backgroundBrush = brush; 1563 if (!m_backgroundBrush.Ok()) 1564 return; 1565} 1566 1567void wxDC::SetLogicalFunction( int function ) 1568{ 1569 if (m_logicalFunction == function) 1570 return; 1571 1572 m_logicalFunction = function ; 1573#if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1574 if ( CGContextSetBlendMode != 0 ) 1575 { 1576 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; 1577 if ( m_logicalFunction == wxCOPY ) 1578 CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ; 1579 else if ( m_logicalFunction == wxINVERT || m_logicalFunction == wxXOR ) 1580 CGContextSetBlendMode( cgContext, kCGBlendModeExclusion ) ; 1581 else 1582 CGContextSetBlendMode( cgContext, kCGBlendModeNormal ) ; 1583 } 1584#endif 1585} 1586 1587extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 1588 const wxColour & col, int style); 1589 1590bool wxDC::DoFloodFill(wxCoord x, wxCoord y, 1591 const wxColour& col, int style) 1592{ 1593 return wxDoFloodFill(this, x, y, col, style); 1594} 1595 1596bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const 1597{ 1598 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPixel - invalid DC") ); 1599 1600 RGBColor colour; 1601#ifndef __LP64__ 1602 wxMacPortSaver helper((CGrafPtr)m_macPort) ; 1603 // NB: GetCPixel is a deprecated QD call, and a slow one at that 1604 GetCPixel( 1605 XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x, 1606 YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour ); 1607#endif 1608 // convert from Mac colour to wx 1609 col->Set( colour.red >> 8, colour.green >> 8, colour.blue >> 8 ); 1610 1611 return true ; 1612} 1613 1614void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 ) 1615{ 1616 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLine - invalid DC") ); 1617 1618#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1619 if ( m_logicalFunction != wxCOPY ) 1620 return ; 1621#endif 1622 1623 wxCoord xx1 = XLOG2DEVMAC(x1) ; 1624 wxCoord yy1 = YLOG2DEVMAC(y1) ; 1625 wxCoord xx2 = XLOG2DEVMAC(x2) ; 1626 wxCoord yy2 = YLOG2DEVMAC(y2) ; 1627 1628 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1629 path->MoveToPoint( xx1, yy1 ) ; 1630 path->AddLineToPoint( xx2 , yy2 ) ; 1631 path->CloseSubpath() ; 1632 m_graphicContext->StrokePath( path ) ; 1633 delete path ; 1634 1635 CalcBoundingBox(x1, y1); 1636 CalcBoundingBox(x2, y2); 1637} 1638 1639void wxDC::DoCrossHair( wxCoord x, wxCoord y ) 1640{ 1641 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoCrossHair - invalid DC") ); 1642 1643 if ( m_logicalFunction != wxCOPY ) 1644 return ; 1645 1646 int w = 0, h = 0; 1647 1648 GetSize( &w, &h ); 1649 wxCoord xx = XLOG2DEVMAC(x); 1650 wxCoord yy = YLOG2DEVMAC(y); 1651 1652 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1653 path->MoveToPoint( XLOG2DEVMAC(0), yy ) ; 1654 path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ; 1655 path->CloseSubpath() ; 1656 path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ; 1657 path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ; 1658 path->CloseSubpath() ; 1659 m_graphicContext->StrokePath( path ) ; 1660 delete path ; 1661 1662 CalcBoundingBox(x, y); 1663 CalcBoundingBox(x + w, y + h); 1664} 1665 1666void wxDC::DoDrawArc( wxCoord x1, wxCoord y1, 1667 wxCoord x2, wxCoord y2, 1668 wxCoord xc, wxCoord yc ) 1669{ 1670 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawArc - invalid DC") ); 1671 1672 if ( m_logicalFunction != wxCOPY ) 1673 return ; 1674 1675 wxCoord xx1 = XLOG2DEVMAC(x1); 1676 wxCoord yy1 = YLOG2DEVMAC(y1); 1677 wxCoord xx2 = XLOG2DEVMAC(x2); 1678 wxCoord yy2 = YLOG2DEVMAC(y2); 1679 wxCoord xxc = XLOG2DEVMAC(xc); 1680 wxCoord yyc = YLOG2DEVMAC(yc); 1681 1682 double dx = xx1 - xxc; 1683 double dy = yy1 - yyc; 1684 double radius = sqrt((double)(dx * dx + dy * dy)); 1685 wxCoord rad = (wxCoord)radius; 1686 double sa, ea; 1687 if (xx1 == xx2 && yy1 == yy2) 1688 { 1689 sa = 0.0; 1690 ea = 360.0; 1691 } 1692 else if (radius == 0.0) 1693 { 1694 sa = ea = 0.0; 1695 } 1696 else 1697 { 1698 sa = (xx1 - xxc == 0) ? 1699 (yy1 - yyc < 0) ? 90.0 : -90.0 : 1700 -atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG; 1701 ea = (xx2 - xxc == 0) ? 1702 (yy2 - yyc < 0) ? 90.0 : -90.0 : 1703 -atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG; 1704 } 1705 1706 bool fill = m_brush.GetStyle() != wxTRANSPARENT ; 1707 1708 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1709 m_graphicContext->PushState() ; 1710 m_graphicContext->Translate( xxc, yyc ) ; 1711 m_graphicContext->Scale( 1, -1 ) ; 1712 if ( fill ) 1713 path->MoveToPoint( 0, 0 ) ; 1714 path->AddArc( 0, 0, rad , DegToRad(sa) , DegToRad(ea), false ) ; 1715 if ( fill ) 1716 path->AddLineToPoint( 0, 0 ) ; 1717 m_graphicContext->DrawPath( path ) ; 1718 m_graphicContext->PopState() ; 1719 delete path ; 1720} 1721 1722void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h, 1723 double sa, double ea ) 1724{ 1725 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipticArc - invalid DC") ); 1726 1727 if ( m_logicalFunction != wxCOPY ) 1728 return ; 1729 1730 wxCoord xx = XLOG2DEVMAC(x); 1731 wxCoord yy = YLOG2DEVMAC(y); 1732 wxCoord ww = m_signX * XLOG2DEVREL(w); 1733 wxCoord hh = m_signY * YLOG2DEVREL(h); 1734 1735 // handle -ve width and/or height 1736 if (ww < 0) 1737 { 1738 ww = -ww; 1739 xx = xx - ww; 1740 } 1741 if (hh < 0) 1742 { 1743 hh = -hh; 1744 yy = yy - hh; 1745 } 1746 1747 bool fill = m_brush.GetStyle() != wxTRANSPARENT ; 1748 1749 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1750 m_graphicContext->PushState() ; 1751 m_graphicContext->Translate( xx + ww / 2, yy + hh / 2 ) ; 1752 m_graphicContext->Scale( 1 * ww / 2 , -1 * hh / 2 ) ; 1753 if ( fill ) 1754 path->MoveToPoint( 0, 0 ) ; 1755 path->AddArc( 0, 0, 1 , DegToRad(sa) , DegToRad(ea), false ) ; 1756 if ( fill ) 1757 path->AddLineToPoint( 0, 0 ) ; 1758 m_graphicContext->DrawPath( path ) ; 1759 m_graphicContext->PopState() ; 1760 delete path ; 1761} 1762 1763void wxDC::DoDrawPoint( wxCoord x, wxCoord y ) 1764{ 1765 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPoint - invalid DC") ); 1766 1767 DoDrawLine( x , y , x + 1 , y + 1 ) ; 1768} 1769 1770void wxDC::DoDrawLines(int n, wxPoint points[], 1771 wxCoord xoffset, wxCoord yoffset) 1772{ 1773 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLines - invalid DC") ); 1774 1775#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES 1776 if ( m_logicalFunction != wxCOPY ) 1777 return ; 1778#endif 1779 1780 wxCoord x1, x2 , y1 , y2 ; 1781 x1 = XLOG2DEVMAC(points[0].x + xoffset); 1782 y1 = YLOG2DEVMAC(points[0].y + yoffset); 1783 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1784 path->MoveToPoint( x1 , y1 ) ; 1785 for (int i = 1; i < n; i++) 1786 { 1787 x2 = XLOG2DEVMAC(points[i].x + xoffset); 1788 y2 = YLOG2DEVMAC(points[i].y + yoffset); 1789 1790 path->AddLineToPoint( x2 , y2 ) ; 1791 } 1792 1793 m_graphicContext->StrokePath( path ) ; 1794 delete path ; 1795} 1796 1797#if wxUSE_SPLINES 1798void wxDC::DoDrawSpline(wxList *points) 1799{ 1800 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawSpline - invalid DC") ); 1801 1802 if ( m_logicalFunction != wxCOPY ) 1803 return ; 1804 1805 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1806 1807 wxList::compatibility_iterator node = points->GetFirst(); 1808 if (node == wxList::compatibility_iterator()) 1809 // empty list 1810 return; 1811 1812 wxPoint *p = (wxPoint *)node->GetData(); 1813 1814 wxCoord x1 = p->x; 1815 wxCoord y1 = p->y; 1816 1817 node = node->GetNext(); 1818 p = (wxPoint *)node->GetData(); 1819 1820 wxCoord x2 = p->x; 1821 wxCoord y2 = p->y; 1822 wxCoord cx1 = ( x1 + x2 ) / 2; 1823 wxCoord cy1 = ( y1 + y2 ) / 2; 1824 1825 path->MoveToPoint( XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) ) ; 1826 path->AddLineToPoint( XLOG2DEVMAC( cx1 ) , YLOG2DEVMAC( cy1 ) ) ; 1827 1828#if !wxUSE_STL 1829 while ((node = node->GetNext()) != NULL) 1830#else 1831 while ((node = node->GetNext())) 1832#endif // !wxUSE_STL 1833 { 1834 p = (wxPoint *)node->GetData(); 1835 x1 = x2; 1836 y1 = y2; 1837 x2 = p->x; 1838 y2 = p->y; 1839 wxCoord cx4 = (x1 + x2) / 2; 1840 wxCoord cy4 = (y1 + y2) / 2; 1841 1842 path->AddQuadCurveToPoint( 1843 XLOG2DEVMAC( x1 ) , YLOG2DEVMAC( y1 ) , 1844 XLOG2DEVMAC( cx4 ) , YLOG2DEVMAC( cy4 ) ) ; 1845 1846 cx1 = cx4; 1847 cy1 = cy4; 1848 } 1849 1850 path->AddLineToPoint( XLOG2DEVMAC( x2 ) , YLOG2DEVMAC( y2 ) ) ; 1851 1852 m_graphicContext->StrokePath( path ) ; 1853 delete path ; 1854} 1855#endif 1856 1857void wxDC::DoDrawPolygon( int n, wxPoint points[], 1858 wxCoord xoffset, wxCoord yoffset, 1859 int fillStyle ) 1860{ 1861 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPolygon - invalid DC") ); 1862 1863 if ( n <= 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) ) 1864 return ; 1865 if ( m_logicalFunction != wxCOPY ) 1866 return ; 1867 1868 wxCoord x1, x2 , y1 , y2 ; 1869 x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset); 1870 y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset); 1871 1872 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1873 path->MoveToPoint( x1 , y1 ) ; 1874 for (int i = 1; i < n; i++) 1875 { 1876 x2 = XLOG2DEVMAC(points[i].x + xoffset); 1877 y2 = YLOG2DEVMAC(points[i].y + yoffset); 1878 1879 path->AddLineToPoint( x2 , y2 ) ; 1880 } 1881 1882 if ( x1 != x2 || y1 != y2 ) 1883 path->AddLineToPoint( x1, y1 ) ; 1884 1885 path->CloseSubpath() ; 1886 m_graphicContext->DrawPath( path , fillStyle ) ; 1887 1888 delete path ; 1889} 1890 1891void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) 1892{ 1893 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRectangle - invalid DC") ); 1894 1895 if ( m_logicalFunction != wxCOPY ) 1896 return ; 1897 1898 wxCoord xx = XLOG2DEVMAC(x); 1899 wxCoord yy = YLOG2DEVMAC(y); 1900 wxCoord ww = m_signX * XLOG2DEVREL(width); 1901 wxCoord hh = m_signY * YLOG2DEVREL(height); 1902 1903 // CMB: draw nothing if transformed w or h is 0 1904 if (ww == 0 || hh == 0) 1905 return; 1906 1907 // CMB: handle -ve width and/or height 1908 if (ww < 0) 1909 { 1910 ww = -ww; 1911 xx = xx - ww; 1912 } 1913 if (hh < 0) 1914 { 1915 hh = -hh; 1916 yy = yy - hh; 1917 } 1918 1919 int penwidth = m_pen.GetWidth(); 1920 if ( penwidth == 0 ) 1921 penwidth = 1 ; 1922 if ( m_pen.GetStyle() == wxTRANSPARENT ) 1923 penwidth = 0 ; 1924 1925 bool offset = ( penwidth % 2 ) == 1 ; 1926 1927 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1928 // if we are offsetting the entire rectangle is moved 0.5, so the border line gets off by 1 1929 if ( offset ) 1930 path->AddRectangle( xx , yy , ww-1 , hh-1 ) ; 1931 else 1932 path->AddRectangle( xx , yy , ww , hh ) ; 1933 1934 m_graphicContext->DrawPath( path ) ; 1935 delete path ; 1936} 1937 1938void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, 1939 wxCoord width, wxCoord height, 1940 double radius) 1941{ 1942 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRoundedRectangle - invalid DC") ); 1943 1944 if ( m_logicalFunction != wxCOPY ) 1945 return ; 1946 1947 if (radius < 0.0) 1948 radius = - radius * ((width < height) ? width : height); 1949 wxCoord xx = XLOG2DEVMAC(x); 1950 wxCoord yy = YLOG2DEVMAC(y); 1951 wxCoord ww = m_signX * XLOG2DEVREL(width); 1952 wxCoord hh = m_signY * YLOG2DEVREL(height); 1953 1954 // CMB: draw nothing if transformed w or h is 0 1955 if (ww == 0 || hh == 0) 1956 return; 1957 1958 // CMB: handle -ve width and/or height 1959 if (ww < 0) 1960 { 1961 ww = -ww; 1962 xx = xx - ww; 1963 } 1964 if (hh < 0) 1965 { 1966 hh = -hh; 1967 yy = yy - hh; 1968 } 1969 1970 wxGraphicPath* path = m_graphicContext->CreatePath() ; 1971 if ( radius == 0) 1972 { 1973 path->AddRectangle( xx , yy , ww , hh ) ; 1974 m_graphicContext->DrawPath( path ) ; 1975 } 1976 else 1977 { 1978 path->MoveToPoint( xx + ww, yy + hh / 2); 1979 path->AddArcToPoint(xx + ww, yy + hh, xx + ww / 2,yy + hh, radius); 1980 path->AddArcToPoint(xx , yy + hh, xx , yy + hh / 2, radius); 1981 path->AddArcToPoint(xx , yy , xx + ww / 2, yy , radius); 1982 path->AddArcToPoint(xx + ww, yy , xx + ww, yy + hh / 2, radius); 1983 path->CloseSubpath(); 1984 m_graphicContext->DrawPath( path ) ; 1985 } 1986 delete path ; 1987} 1988 1989void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) 1990{ 1991 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipse - invalid DC") ); 1992 1993 if ( m_logicalFunction != wxCOPY ) 1994 return ; 1995 1996 wxCoord xx = XLOG2DEVMAC(x); 1997 wxCoord yy = YLOG2DEVMAC(y); 1998 wxCoord ww = m_signX * XLOG2DEVREL(width); 1999 wxCoord hh = m_signY * YLOG2DEVREL(height); 2000 2001 // CMB: draw nothing if transformed w or h is 0 2002 if (ww == 0 || hh == 0) 2003 return; 2004 2005 // CMB: handle -ve width and/or height 2006 if (ww < 0) 2007 { 2008 ww = -ww; 2009 xx = xx - ww; 2010 } 2011 if (hh < 0) 2012 { 2013 hh = -hh; 2014 yy = yy - hh; 2015 } 2016 2017 wxGraphicPath* path = m_graphicContext->CreatePath() ; 2018 m_graphicContext->PushState() ; 2019 m_graphicContext->Translate(xx + ww / 2, yy + hh / 2); 2020 m_graphicContext->Scale(ww / 2 , hh / 2); 2021 path->AddArc( 0, 0, 1, 0 , 2 * M_PI , false ) ; 2022 m_graphicContext->DrawPath( path ) ; 2023 m_graphicContext->PopState() ; 2024 delete path ; 2025} 2026 2027bool wxDC::CanDrawBitmap() const 2028{ 2029 return true ; 2030} 2031 2032bool wxDC::DoBlit( 2033 wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, 2034 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask, 2035 wxCoord xsrcMask, wxCoord ysrcMask ) 2036{ 2037 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoBlit - invalid DC") ); 2038 wxCHECK_MSG( source->Ok(), false, wxT("wxDC(cg)::DoBlit - invalid source DC") ); 2039 2040 if ( logical_func == wxNO_OP ) 2041 return true ; 2042 2043 if (xsrcMask == -1 && ysrcMask == -1) 2044 { 2045 xsrcMask = xsrc; 2046 ysrcMask = ysrc; 2047 } 2048 2049 wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ; 2050 wxCoord xxsrc = source->XLOG2DEVMAC(xsrc) ; 2051 wxCoord wwsrc = source->XLOG2DEVREL(width) ; 2052 wxCoord hhsrc = source->YLOG2DEVREL(height) ; 2053 2054 wxCoord yydest = YLOG2DEVMAC(ydest) ; 2055 wxCoord xxdest = XLOG2DEVMAC(xdest) ; 2056 wxCoord wwdest = XLOG2DEVREL(width) ; 2057 wxCoord hhdest = YLOG2DEVREL(height) ; 2058 2059 wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ; 2060 if ( memdc && logical_func == wxCOPY ) 2061 { 2062 wxBitmap blit = memdc->GetSelectedObject() ; 2063 2064 wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ; 2065 2066 wxCoord bmpwidth = blit.GetWidth(); 2067 wxCoord bmpheight = blit.GetHeight(); 2068 2069 if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc ) 2070 { 2071 wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ; 2072 hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ; 2073 if ( wwsrc > 0 && hhsrc > 0 ) 2074 { 2075 if ( xxsrc >= 0 && yysrc >= 0 ) 2076 { 2077 wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ; 2078 // TODO we perhaps could add a DrawSubBitmap call to dc for performance reasons 2079 blit = blit.GetSubBitmap( subrect ) ; 2080 } 2081 else 2082 { 2083 // in this case we'd probably have to adjust the different coordinates, but 2084 // we have to find out proper contract first 2085 blit = wxNullBitmap ; 2086 } 2087 } 2088 else 2089 { 2090 blit = wxNullBitmap ; 2091 } 2092 } 2093 2094 if ( blit.Ok() ) 2095 { 2096 m_graphicContext->DrawBitmap( blit, xxdest , yydest , wwdest , hhdest ) ; 2097 } 2098 } 2099 else 2100 { 2101 wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts, and only with wxCOPY logical operation.") ) ; 2102 return false ; 2103 } 2104 2105 return true; 2106} 2107 2108void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y, 2109 double angle) 2110{ 2111 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRotatedText - invalid DC") ); 2112// wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoDrawRotatedText - no valid font set") ); 2113 2114 if ( str.length() == 0 ) 2115 return ; 2116 if ( m_logicalFunction != wxCOPY ) 2117 return ; 2118 2119 int drawX = XLOG2DEVMAC(x) ; 2120 int drawY = YLOG2DEVMAC(y) ; 2121 2122 m_graphicContext->DrawText( str, drawX ,drawY , angle ) ; 2123} 2124 2125void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y) 2126{ 2127 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawText - invalid DC") ); 2128 2129 DoDrawRotatedText( strtext , x , y , 0.0 ) ; 2130} 2131 2132bool wxDC::CanGetTextExtent() const 2133{ 2134 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::CanGetTextExtent - invalid DC") ); 2135 2136 return true ; 2137} 2138 2139void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height, 2140 wxCoord *descent, wxCoord *externalLeading , 2141 wxFont *theFont ) const 2142{ 2143 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoGetTextExtent - invalid DC") ); 2144 2145 if ( theFont ) 2146 { 2147 m_graphicContext->SetFont( *theFont ) ; 2148 } 2149 2150 wxCoord h , d , e , w ; 2151 2152 m_graphicContext->GetTextExtent( str, &w, &h, &d, &e ) ; 2153 2154 if ( height ) 2155 *height = YDEV2LOGREL( h ) ; 2156 if ( descent ) 2157 *descent =YDEV2LOGREL( d); 2158 if ( externalLeading ) 2159 *externalLeading = YDEV2LOGREL( e); 2160 if ( width ) 2161 *width = XDEV2LOGREL( w ) ; 2162 2163 if ( theFont ) 2164 { 2165 m_graphicContext->SetFont( m_font ) ; 2166 } 2167} 2168 2169bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const 2170{ 2171 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPartialTextExtents - invalid DC") ); 2172 2173 m_graphicContext->GetPartialTextExtents( text, widths ) ; 2174 for ( size_t i = 0 ; i < widths.GetCount() ; ++i ) 2175 widths[i] = XDEV2LOGREL( widths[i] ); 2176 2177 return true; 2178} 2179 2180wxCoord wxDC::GetCharWidth(void) const 2181{ 2182 wxCoord width ; 2183 DoGetTextExtent( wxT("g") , &width , NULL , NULL , NULL , NULL ) ; 2184 2185 return width ; 2186} 2187 2188wxCoord wxDC::GetCharHeight(void) const 2189{ 2190 wxCoord height ; 2191 DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL ) ; 2192 2193 return height ; 2194} 2195 2196void wxDC::Clear(void) 2197{ 2198 wxCHECK_RET( Ok(), wxT("wxDC(cg)::Clear - invalid DC") ); 2199 2200 if (m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT) 2201 { 2202 HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ; 2203 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ; 2204 switch ( m_backgroundBrush.MacGetBrushKind() ) 2205 { 2206 case kwxMacBrushTheme : 2207 { 2208#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 2209 if ( HIThemeSetFill != 0 ) 2210 { 2211 HIThemeSetFill( m_backgroundBrush.MacGetTheme(), NULL, cg, kHIThemeOrientationNormal ); 2212 CGContextFillRect(cg, rect); 2213 2214 } 2215 else 2216#endif 2217 { 2218 RGBColor color; 2219 GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme(), 32, true, &color ); 2220 CGContextSetRGBFillColor( cg, (CGFloat) color.red / 65536, 2221 (CGFloat) color.green / 65536, (CGFloat) color.blue / 65536, 1 ); 2222 CGContextFillRect( cg, rect ); 2223 } 2224 2225 // reset to normal value 2226 RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ; 2227 CGContextSetRGBFillColor( cg, col.red / 65536.0, col.green / 65536.0, col.blue / 65536.0, 1.0 ); 2228 } 2229 break ; 2230 2231 case kwxMacBrushThemeBackground : 2232 { 2233 wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ; 2234 2235#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3 2236 if ( UMAGetSystemVersion() >= 0x1030 ) 2237 { 2238 HIThemeBackgroundDrawInfo drawInfo ; 2239 drawInfo.version = 0 ; 2240 drawInfo.state = kThemeStateActive ; 2241 drawInfo.kind = m_backgroundBrush.MacGetThemeBackground( NULL ) ; 2242 if ( drawInfo.kind == kThemeBackgroundMetal ) 2243 { 2244 HIThemeDrawBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ; 2245 HIThemeApplyBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ; 2246 } 2247 } 2248#endif 2249 } 2250 break ; 2251 2252 case kwxMacBrushColour : 2253 { 2254 // FIXME: doesn't correctly render stippled brushes !! 2255 // FIXME: should this be replaced by ::SetBrush() ?? 2256 2257 RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ; 2258 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; 2259 CGContextFillRect(cg, rect); 2260 2261 // reset to normal value 2262 col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ; 2263 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ; 2264 } 2265 break ; 2266 2267 default : 2268 wxFAIL_MSG( wxT("unknown brush kind") ) ; 2269 break ; 2270 } 2271 } 2272} 2273 2274#endif 2275 2276#pragma mark - 2277 2278// --------------------------------------------------------------------------- 2279// coordinates transformations 2280// --------------------------------------------------------------------------- 2281/* 2282 wxCoord XLOG2DEVMAC(wxCoord x) const 2283 { 2284 long new_x = x - m_logicalOriginX; 2285 if (new_x > 0) 2286 return (wxCoord)((double)new_x * m_scaleX + 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x; 2287 else 2288 return (wxCoord)((double)new_x * m_scaleX - 0.5) * m_signX + m_deviceOriginX + m_macLocalOrigin.x; 2289 } 2290 2291 wxCoord YLOG2DEVMAC(wxCoord y) const 2292 { 2293 long new_y = y - m_logicalOriginY; 2294 if (new_y > 0) 2295 return (wxCoord)((double)new_y * m_scaleY + 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y; 2296 else 2297 return (wxCoord)((double)new_y * m_scaleY - 0.5) * m_signY + m_deviceOriginY + m_macLocalOrigin.y; 2298 } 2299*/ // TODO 2300wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const 2301{ 2302 return wxRound((double)(x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX; 2303} 2304 2305wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const 2306{ 2307 return wxRound((double)(y - m_deviceOriginY) / m_scaleY) * m_signY + m_logicalOriginY; 2308} 2309 2310wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const 2311{ 2312 return wxRound((double)(x) / m_scaleX); 2313} 2314 2315wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const 2316{ 2317 return wxRound((double)(y) / m_scaleY); 2318} 2319 2320wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const 2321{ 2322 return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX; 2323} 2324 2325wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const 2326{ 2327 return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * m_signY + m_deviceOriginY; 2328} 2329 2330wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const 2331{ 2332 return wxRound((double)(x) * m_scaleX); 2333} 2334 2335wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const 2336{ 2337 return wxRound((double)(y) * m_scaleY); 2338} 2339 2340#endif // wxMAC_USE_CORE_GRAPHICS 2341