]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/mac/carbon/dccg.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
cleanup - reformat
[wxWidgets.git] / src / mac / carbon / dccg.cpp
... / ...
CommitLineData
1/////////////////////////////////////////////////////////////////////////////
2// Name: dc.cpp
3// Purpose: wxDC class
4// Author: Stefan Csomor
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Stefan Csomor
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/wxprec.h"
13
14#include "wx/dc.h"
15
16#if wxMAC_USE_CORE_GRAPHICS
17
18#include "wx/app.h"
19#include "wx/mac/uma.h"
20#include "wx/dcmemory.h"
21#include "wx/dcprint.h"
22#include "wx/region.h"
23#include "wx/image.h"
24#include "wx/log.h"
25
26
27#ifdef __MSL__
28 #if __MSL__ >= 0x6000
29 #include "math.h"
30 // in case our functions were defined outside std, we make it known all the same
31 namespace std { }
32 using namespace std ;
33 #endif
34#endif
35
36#include "wx/mac/private.h"
37
38IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
39
40//-----------------------------------------------------------------------------
41// constants
42//-----------------------------------------------------------------------------
43
44#if !defined( __DARWIN__ ) || defined(__MWERKS__)
45#ifndef M_PI
46const double M_PI = 3.14159265358979 ;
47#endif
48#endif
49
50const double RAD2DEG = 180.0 / M_PI;
51const short kEmulatedMode = -1 ;
52const short kUnsupportedMode = -2 ;
53
54extern TECObjectRef s_TECNativeCToUnicode ;
55
56
57// TODO: update
58// The textctrl implementation still needs that (needs what?) for the non-HIView implementation
59//
60wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
61 wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
62{
63 m_newPort = (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
64 m_formerClip = NewRgn() ;
65 m_newClip = NewRgn() ;
66 GetClip( m_formerClip ) ;
67
68 if ( win )
69 {
70 // guard against half constructed objects, this just leads to a empty clip
71 if ( win->GetPeer() )
72 {
73 int x = 0 , y = 0;
74 win->MacWindowToRootWindow( &x, &y ) ;
75 // get area including focus rect
76 CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
77 if ( !EmptyRgn( m_newClip ) )
78 OffsetRgn( m_newClip , x , y ) ;
79 }
80
81 SetClip( m_newClip ) ;
82 }
83}
84
85wxMacWindowClipper::~wxMacWindowClipper()
86{
87 SetPort( m_newPort ) ;
88 SetClip( m_formerClip ) ;
89 DisposeRgn( m_newClip ) ;
90 DisposeRgn( m_formerClip ) ;
91}
92
93wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
94 wxMacWindowClipper( win )
95{
96 // the port is already set at this point
97 m_newPort = (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
98 GetThemeDrawingState( &m_themeDrawingState ) ;
99}
100
101wxMacWindowStateSaver::~wxMacWindowStateSaver()
102{
103 SetPort( m_newPort ) ;
104 SetThemeDrawingState( m_themeDrawingState , true ) ;
105}
106
107// minimal implementation only used for appearance drawing < 10.3
108
109wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
110 m_ph( (GrafPtr) dc->m_macPort )
111{
112 wxASSERT( dc->Ok() ) ;
113 m_dc = dc ;
114
115// dc->MacSetupPort(&m_ph) ;
116}
117
118wxMacPortSetter::~wxMacPortSetter()
119{
120// m_dc->MacCleanupPort(&m_ph) ;
121}
122
123//-----------------------------------------------------------------------------
124// Local functions
125//-----------------------------------------------------------------------------
126
127static inline double dmin(double a, double b) { return a < b ? a : b; }
128static inline double dmax(double a, double b) { return a > b ? a : b; }
129static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
130
131//-----------------------------------------------------------------------------
132// device context implementation
133//
134// more and more of the dc functionality should be implemented by calling
135// the appropricate wxMacCGContext, but we will have to do that step by step
136// also coordinate conversions should be moved to native matrix ops
137//-----------------------------------------------------------------------------
138
139// we always stock two context states, one at entry, to be able to preserve the
140// state we were called with, the other one after changing to HI Graphics orientation
141// (this one is used for getting back clippings etc)
142
143wxMacCGPath::wxMacCGPath()
144{
145 m_path = CGPathCreateMutable() ;
146}
147
148wxMacCGPath::~wxMacCGPath()
149{
150 CGPathRelease( m_path ) ;
151}
152
153// opens (starts) a new subpath
154void wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 )
155{
156 CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ;
157}
158
159void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 )
160{
161 CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ;
162}
163
164void wxMacCGPath::AddQuadCurveToPoint( wxCoord cx1, wxCoord cy1, wxCoord x1, wxCoord y1 )
165{
166 CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x1 , y1 );
167}
168
169void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
170{
171 CGRect cgRect = { { x , y } , { w , h } } ;
172 CGPathAddRect( m_path , NULL , cgRect ) ;
173}
174
175void wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord r )
176{
177 CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ) ;
178}
179
180// closes the current subpath
181void wxMacCGPath::CloseSubpath()
182{
183 CGPathCloseSubpath( m_path ) ;
184}
185
186CGPathRef wxMacCGPath::GetPath() const
187{
188 return m_path ;
189}
190
191wxMacCGContext::wxMacCGContext( CGrafPtr port )
192{
193 m_qdPort = port ;
194 m_cgContext = NULL ;
195}
196
197wxMacCGContext::wxMacCGContext( CGContextRef cgcontext )
198{
199 m_qdPort = NULL ;
200 m_cgContext = cgcontext ;
201 CGContextSaveGState( m_cgContext ) ;
202 CGContextSaveGState( m_cgContext ) ;
203}
204
205wxMacCGContext::wxMacCGContext()
206{
207 m_qdPort = NULL ;
208 m_cgContext = NULL ;
209}
210
211wxMacCGContext::~wxMacCGContext()
212{
213 if ( m_cgContext )
214 {
215 CGContextSynchronize( m_cgContext ) ;
216 CGContextRestoreGState( m_cgContext ) ;
217 CGContextRestoreGState( m_cgContext ) ;
218 }
219
220 if ( m_qdPort )
221 CGContextRelease( m_cgContext ) ;
222}
223
224
225void wxMacCGContext::Clip( const wxRegion &region )
226{
227// ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ;
228}
229
230void wxMacCGContext::StrokePath( const wxGraphicPath *p )
231{
232 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
233 CGContextAddPath( m_cgContext , path->GetPath() ) ;
234 CGContextStrokePath( m_cgContext ) ;
235}
236
237void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle )
238{
239 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
240 CGPathDrawingMode mode = m_mode ;
241
242 if ( fillStyle == wxODDEVEN_RULE )
243 {
244 if ( mode == kCGPathFill )
245 mode = kCGPathEOFill ;
246 else if ( mode == kCGPathFillStroke )
247 mode = kCGPathEOFillStroke ;
248 }
249
250 CGContextAddPath( m_cgContext , path->GetPath() ) ;
251 CGContextDrawPath( m_cgContext , mode ) ;
252}
253
254void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle )
255{
256 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
257 CGContextSaveGState( m_cgContext ) ;
258
259 RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ;
260 CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
261 CGPathDrawingMode mode = kCGPathFill ;
262
263 if ( fillStyle == wxODDEVEN_RULE )
264 mode = kCGPathEOFill ;
265
266 CGContextBeginPath( m_cgContext ) ;
267 CGContextAddPath( m_cgContext , path->GetPath() ) ;
268 CGContextClosePath( m_cgContext ) ;
269 CGContextDrawPath( m_cgContext , mode ) ;
270
271 CGContextRestoreGState( m_cgContext ) ;
272}
273
274wxGraphicPath* wxMacCGContext::CreatePath()
275{
276 // make sure that we now have a real cgref, before doing
277 // anything with paths
278 CGContextRef cg = GetNativeContext() ;
279 cg = NULL ;
280
281 return new wxMacCGPath() ;
282}
283
284// in case we only got a QDPort only create a cgref now
285
286CGContextRef wxMacCGContext::GetNativeContext()
287{
288 if ( m_cgContext == NULL )
289 {
290 Rect bounds ;
291 GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ;
292 OSStatus status = CreateCGContextForPort((CGrafPtr) m_qdPort , &m_cgContext) ;
293 CGContextSaveGState( m_cgContext ) ;
294
295 wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ;
296
297 CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ) ;
298 CGContextScaleCTM( m_cgContext , 1 , -1 ) ;
299
300 CGContextSaveGState( m_cgContext ) ;
301 SetPen( m_pen ) ;
302 SetBrush( m_brush ) ;
303 }
304
305 return m_cgContext ;
306}
307
308void wxMacCGContext::SetNativeContext( CGContextRef cg )
309{
310 // we allow either setting or clearing but not replacing
311 wxASSERT( m_cgContext == NULL || cg == NULL ) ;
312
313 if ( cg )
314 CGContextSaveGState( cg ) ;
315 m_cgContext = cg ;
316}
317
318#pragma mark -
319#pragma mark wxMacCGPattern, ImagePattern, HatchPattern classes
320
321// CGPattern wrapper class: always allocate on heap, never call destructor
322
323class wxMacCGPattern
324{
325public :
326 wxMacCGPattern() {}
327
328 // is guaranteed to be called only with a non-Null CGContextRef
329 virtual void Render( CGContextRef ctxRef ) = 0 ;
330
331 operator CGPatternRef() const { return m_patternRef ; }
332
333protected :
334 virtual ~wxMacCGPattern()
335 {
336 // as this is called only when the m_patternRef is been released;
337 // don't release it again
338 }
339
340 static void _Render( void *info, CGContextRef ctxRef )
341 {
342 wxMacCGPattern* self = (wxMacCGPattern*) info ;
343 if ( self && ctxRef )
344 self->Render( ctxRef ) ;
345 }
346
347 static void _Dispose( void *info )
348 {
349 wxMacCGPattern* self = (wxMacCGPattern*) info ;
350 delete self ;
351 }
352
353 CGPatternRef m_patternRef ;
354
355 static const CGPatternCallbacks ms_Callbacks ;
356} ;
357
358const CGPatternCallbacks wxMacCGPattern::ms_Callbacks = { 0, &wxMacCGPattern::_Render, &wxMacCGPattern::_Dispose };
359
360class ImagePattern : public wxMacCGPattern
361{
362public :
363 ImagePattern( const wxBitmap* bmp , CGAffineTransform transform )
364 {
365 wxASSERT( bmp && bmp->Ok() ) ;
366
367 Init( (CGImageRef) bmp->CGImageCreate() , transform ) ;
368 }
369
370 // ImagePattern takes ownership of CGImageRef passed in
371 ImagePattern( CGImageRef image , CGAffineTransform transform )
372 {
373 if ( image )
374 CFRetain( image ) ;
375
376 Init( image , transform ) ;
377 }
378
379 virtual void Render( CGContextRef ctxRef )
380 {
381 if (m_image != NULL)
382 HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
383 }
384
385protected :
386 void Init( CGImageRef image, CGAffineTransform transform )
387 {
388 m_image = image ;
389 if ( m_image )
390 {
391 m_imageBounds = CGRectMake( 0.0, 0.0, (float)CGImageGetWidth( m_image ), (float)CGImageGetHeight( m_image ) ) ;
392 m_patternRef = CGPatternCreate( this , m_imageBounds, transform ,
393 m_imageBounds.size.width, m_imageBounds.size.height,
394 kCGPatternTilingNoDistortion, true , &wxMacCGPattern::ms_Callbacks ) ;
395 }
396 }
397
398 ~ImagePattern()
399 {
400 if ( m_image )
401 CGImageRelease( m_image ) ;
402 }
403
404 CGImageRef m_image ;
405 CGRect m_imageBounds ;
406} ;
407
408class HatchPattern : public wxMacCGPattern
409{
410public :
411 HatchPattern( int hatchstyle, CGAffineTransform transform )
412 {
413 m_hatch = hatchstyle ;
414 m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ) ;
415 m_patternRef = CGPatternCreate( this , m_imageBounds, transform ,
416 m_imageBounds.size.width, m_imageBounds.size.height,
417 kCGPatternTilingNoDistortion, false , &wxMacCGPattern::ms_Callbacks ) ;
418 }
419
420 void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
421 {
422#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
423 if ( UMAGetSystemVersion() >= 0x1040 )
424 {
425 CGContextStrokeLineSegments( ctxRef , pts , count ) ;
426 }
427 else
428#endif
429 {
430 CGContextBeginPath( ctxRef );
431 for (size_t i = 0; i < count; i += 2)
432 {
433 CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y);
434 CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y);
435 }
436 CGContextStrokePath(ctxRef);
437 }
438 }
439
440 virtual void Render( CGContextRef ctxRef )
441 {
442 switch ( m_hatch )
443 {
444 case wxBDIAGONAL_HATCH :
445 {
446 CGPoint pts[] =
447 {
448 { 8.0 , 0.0 } , { 0.0 , 8.0 }
449 };
450 StrokeLineSegments( ctxRef , pts , 2 ) ;
451 }
452 break ;
453
454 case wxCROSSDIAG_HATCH :
455 {
456 CGPoint pts[] =
457 {
458 { 0.0 , 0.0 } , { 8.0 , 8.0 } ,
459 { 8.0 , 0.0 } , { 0.0 , 8.0 }
460 };
461 StrokeLineSegments( ctxRef , pts , 4 ) ;
462 }
463 break ;
464
465 case wxFDIAGONAL_HATCH :
466 {
467 CGPoint pts[] =
468 {
469 { 0.0 , 0.0 } , { 8.0 , 8.0 }
470 };
471 StrokeLineSegments( ctxRef , pts , 2 ) ;
472 }
473 break ;
474
475 case wxCROSS_HATCH :
476 {
477 CGPoint pts[] =
478 {
479 { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
480 { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
481 };
482 StrokeLineSegments( ctxRef , pts , 4 ) ;
483 }
484 break ;
485
486 case wxHORIZONTAL_HATCH :
487 {
488 CGPoint pts[] =
489 {
490 { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
491 };
492 StrokeLineSegments( ctxRef , pts , 2 ) ;
493 }
494 break ;
495
496 case wxVERTICAL_HATCH :
497 {
498 CGPoint pts[] =
499 {
500 { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
501 };
502 StrokeLineSegments( ctxRef , pts , 2 ) ;
503 }
504 break ;
505
506 default:
507 break;
508 }
509 }
510
511protected :
512 ~HatchPattern() {}
513
514 CGRect m_imageBounds ;
515 int m_hatch ;
516} ;
517
518#pragma mark -
519
520void wxMacCGContext::SetPen( const wxPen &pen )
521{
522 m_pen = pen ;
523 if ( m_cgContext == NULL )
524 return ;
525
526 bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
527 bool stroke = pen.GetStyle() != wxTRANSPARENT ;
528
529#if 0
530 // we can benchmark performance, should go into a setting later
531 CGContextSetShouldAntialias( m_cgContext , false ) ;
532#endif
533
534 if ( fill | stroke )
535 {
536 // set up brushes
537 m_mode = kCGPathFill ; // just a default
538
539 if ( stroke )
540 {
541 RGBColor col = MAC_WXCOLORREF( pen.GetColour().GetPixel() ) ;
542 CGContextSetRGBStrokeColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
543
544 // TODO * m_dc->m_scaleX
545 float penWidth = pen.GetWidth();
546 if (penWidth <= 0.0)
547 penWidth = 0.1;
548 CGContextSetLineWidth( m_cgContext , penWidth ) ;
549
550 CGLineCap cap ;
551 switch ( pen.GetCap() )
552 {
553 case wxCAP_ROUND :
554 cap = kCGLineCapRound ;
555 break ;
556
557 case wxCAP_PROJECTING :
558 cap = kCGLineCapSquare ;
559 break ;
560
561 case wxCAP_BUTT :
562 cap = kCGLineCapButt ;
563 break ;
564
565 default :
566 cap = kCGLineCapButt ;
567 break ;
568 }
569
570 CGLineJoin join ;
571 switch ( pen.GetJoin() )
572 {
573 case wxJOIN_BEVEL :
574 join = kCGLineJoinBevel ;
575 break ;
576
577 case wxJOIN_MITER :
578 join = kCGLineJoinMiter ;
579 break ;
580
581 case wxJOIN_ROUND :
582 join = kCGLineJoinRound ;
583 break ;
584
585 default :
586 join = kCGLineJoinMiter ;
587 break;
588 }
589
590 m_mode = kCGPathStroke ;
591 int count = 0 ;
592
593 const float *lengths = NULL ;
594 float *userLengths = NULL ;
595
596 const float dashUnit = penWidth < 1.0 ? 1.0 : penWidth;
597
598 const float dotted[] = { dashUnit , dashUnit + 2.0 };
599 const float short_dashed[] = { 9.0 , 6.0 };
600 const float dashed[] = { 19.0 , 9.0 };
601 const float dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 };
602
603 switch ( pen.GetStyle() )
604 {
605 case wxSOLID :
606 break ;
607
608 case wxDOT :
609 lengths = dotted ;
610 count = WXSIZEOF(dotted);
611 break ;
612
613 case wxLONG_DASH :
614 lengths = dashed ;
615 count = WXSIZEOF(dashed) ;
616 break ;
617
618 case wxSHORT_DASH :
619 lengths = short_dashed ;
620 count = WXSIZEOF(short_dashed) ;
621 break ;
622
623 case wxDOT_DASH :
624 lengths = dotted_dashed ;
625 count = WXSIZEOF(dotted_dashed);
626 break ;
627
628 case wxUSER_DASH :
629 wxDash *dashes ;
630 count = pen.GetDashes( &dashes ) ;
631 if ((dashes != NULL) && (count > 0))
632 {
633 userLengths = new float[count] ;
634 for ( int i = 0 ; i < count ; ++i )
635 {
636 userLengths[i] = dashes[i] * dashUnit ;
637
638 if ( i % 2 == 1 && userLengths[i] < dashUnit + 2.0 )
639 userLengths[i] = dashUnit + 2.0 ;
640 else if ( i % 2 == 0 && userLengths[i] < dashUnit )
641 userLengths[i] = dashUnit ;
642 }
643 }
644 lengths = userLengths ;
645 break ;
646
647 case wxSTIPPLE :
648 {
649 float alphaArray[1] = { 1.0 } ;
650 wxBitmap* bmp = pen.GetStipple() ;
651 if ( bmp && bmp->Ok() )
652 {
653 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ;
654 CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ;
655 wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
656 CGContextSetStrokePattern( m_cgContext, pattern , alphaArray ) ;
657 }
658 }
659 break ;
660
661 default :
662 {
663 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ;
664 CGContextSetStrokeColorSpace( m_cgContext , patternSpace ) ;
665 wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( pen.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) );
666
667 RGBColor col = MAC_WXCOLORREF( pen.GetColour().GetPixel() ) ;
668 float colorArray[4] = { col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 } ;
669
670 CGContextSetStrokePattern( m_cgContext, pattern , colorArray ) ;
671 }
672 break ;
673 }
674
675 if ((lengths != NULL) && (count > 0))
676 {
677 CGContextSetLineDash( m_cgContext , 0 , lengths , count ) ;
678 // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
679 cap = kCGLineCapButt ;
680 }
681 else
682 {
683 CGContextSetLineDash( m_cgContext , 0 , NULL , 0 ) ;
684 }
685
686 CGContextSetLineCap( m_cgContext , cap ) ;
687 CGContextSetLineJoin( m_cgContext , join ) ;
688
689 delete[] userLengths ;
690 }
691
692 if ( fill && stroke )
693 m_mode = kCGPathFillStroke ;
694 }
695}
696
697void wxMacCGContext::SetBrush( const wxBrush &brush )
698{
699 m_brush = brush ;
700 if ( m_cgContext == NULL )
701 return ;
702
703 bool fill = brush.GetStyle() != wxTRANSPARENT ;
704 bool stroke = m_pen.GetStyle() != wxTRANSPARENT ;
705
706#if 0
707 // we can benchmark performance, should go into a setting later
708 CGContextSetShouldAntialias( m_cgContext , false ) ;
709#endif
710
711 if ( fill | stroke )
712 {
713 // setup brushes
714 m_mode = kCGPathFill ; // just a default
715
716 if ( fill )
717 {
718 if ( brush.GetStyle() == wxSOLID )
719 {
720 RGBColor col = MAC_WXCOLORREF( brush.GetColour().GetPixel() ) ;
721 CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
722 }
723 else if ( brush.IsHatch() )
724 {
725 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ) ;
726 CGContextSetFillColorSpace( m_cgContext , patternSpace ) ;
727 wxMacCFRefHolder<CGPatternRef> pattern( *( new HatchPattern( brush.GetStyle() , CGContextGetCTM( m_cgContext ) ) ) );
728
729 RGBColor col = MAC_WXCOLORREF( brush.GetColour().GetPixel() ) ;
730 float colorArray[4] = { col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 } ;
731
732 CGContextSetFillPattern( m_cgContext, pattern , colorArray ) ;
733 }
734 else
735 {
736 // now brush is a bitmap
737 float alphaArray[1] = { 1.0 } ;
738 wxBitmap* bmp = brush.GetStipple() ;
739 if ( bmp && bmp->Ok() )
740 {
741 wxMacCFRefHolder<CGColorSpaceRef> patternSpace( CGColorSpaceCreatePattern( NULL ) ) ;
742 CGContextSetFillColorSpace( m_cgContext , patternSpace ) ;
743 wxMacCFRefHolder<CGPatternRef> pattern( *( new ImagePattern( bmp , CGContextGetCTM( m_cgContext ) ) ) );
744 CGContextSetFillPattern( m_cgContext, pattern , alphaArray ) ;
745 }
746 }
747
748 m_mode = kCGPathFill ;
749 }
750
751 if ( fill && stroke )
752 m_mode = kCGPathFillStroke ;
753 else if ( stroke )
754 m_mode = kCGPathStroke ;
755 }
756}
757
758void AddEllipticArcToPath(CGContextRef c, CGPoint center, float a, float b, float fromDegree , float toDegree )
759{
760 CGContextSaveGState(c);
761 CGContextTranslateCTM(c, center.x, center.y);
762 CGContextScaleCTM(c, a, b);
763 CGContextMoveToPoint(c, 1, 0);
764 CGContextAddArc(c, 0, 0, 1, DegToRad(fromDegree), DegToRad(toDegree), 0);
765 CGContextClosePath(c);
766 CGContextRestoreGState(c);
767}
768
769void AddRoundedRectToPath(CGContextRef c, CGRect rect, float ovalWidth,
770 float ovalHeight)
771{
772 float fw, fh;
773 if (ovalWidth == 0 || ovalHeight == 0)
774 {
775 CGContextAddRect(c, rect);
776 return;
777 }
778
779 CGContextSaveGState(c);
780 CGContextTranslateCTM(c, CGRectGetMinX(rect), CGRectGetMinY(rect));
781 CGContextScaleCTM(c, ovalWidth, ovalHeight);
782
783 fw = CGRectGetWidth(rect) / ovalWidth;
784 fh = CGRectGetHeight(rect) / ovalHeight;
785
786 CGContextMoveToPoint(c, fw, fh / 2);
787 CGContextAddArcToPoint(c, fw, fh, fw / 2, fh, 1);
788 CGContextAddArcToPoint(c, 0, fh, 0, fh / 2, 1);
789 CGContextAddArcToPoint(c, 0, 0, fw / 2, 0, 1);
790 CGContextAddArcToPoint(c, fw, 0, fw, fh / 2, 1);
791 CGContextClosePath(c);
792 CGContextRestoreGState(c);
793}
794
795#pragma mark -
796
797wxDC::wxDC()
798{
799 m_ok = false ;
800 m_colour = true;
801 m_mm_to_pix_x = mm2pt;
802 m_mm_to_pix_y = mm2pt;
803
804 m_externalDeviceOriginX = 0;
805 m_externalDeviceOriginY = 0;
806 m_logicalScaleX = 1.0;
807 m_logicalScaleY = 1.0;
808 m_userScaleX = 1.0;
809 m_userScaleY = 1.0;
810 m_scaleX = 1.0;
811 m_scaleY = 1.0;
812 m_needComputeScaleX =
813 m_needComputeScaleY = false;
814
815 m_macPort = 0 ;
816 m_macLocalOrigin.x =
817 m_macLocalOrigin.y = 0 ;
818
819 m_pen = *wxBLACK_PEN;
820 m_font = *wxNORMAL_FONT;
821 m_brush = *wxWHITE_BRUSH;
822
823 m_macATSUIStyle = NULL ;
824 m_graphicContext = NULL ;
825}
826
827wxDC::~wxDC()
828{
829 if ( m_macATSUIStyle )
830 {
831 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
832 m_macATSUIStyle = NULL ;
833 }
834
835 delete m_graphicContext ;
836}
837
838void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
839{
840 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid DC") );
841 wxCHECK_RET( bmp.Ok(), wxT("wxDC(cg)::DoDrawBitmap - invalid bitmap") );
842
843 wxCoord xx = XLOG2DEVMAC(x);
844 wxCoord yy = YLOG2DEVMAC(y);
845 wxCoord w = bmp.GetWidth();
846 wxCoord h = bmp.GetHeight();
847 wxCoord ww = XLOG2DEVREL(w);
848 wxCoord hh = YLOG2DEVREL(h);
849
850 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
851 CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ;
852 HIRect r = CGRectMake( xx , yy , ww , hh ) ;
853 HIViewDrawCGImage( cg , &r , image ) ;
854 CGImageRelease( image ) ;
855}
856
857void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
858{
859 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid DC") );
860 wxCHECK_RET( icon.Ok(), wxT("wxDC(cg)::DoDrawIcon - invalid icon") );
861
862 wxCoord xx = XLOG2DEVMAC(x);
863 wxCoord yy = YLOG2DEVMAC(y);
864 wxCoord w = icon.GetWidth();
865 wxCoord h = icon.GetHeight();
866 wxCoord ww = XLOG2DEVREL(w);
867 wxCoord hh = YLOG2DEVREL(h);
868
869 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
870 CGRect r = CGRectMake( 00 , 00 , ww , hh ) ;
871 CGContextSaveGState( cg );
872 CGContextTranslateCTM( cg, xx , yy + hh );
873 CGContextScaleCTM( cg, 1, -1 );
874 PlotIconRefInContext( cg , &r , kAlignNone , kTransformNone ,
875 NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
876 CGContextRestoreGState( cg ) ;
877}
878
879void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
880{
881 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegion - invalid DC") );
882
883 wxCoord xx, yy, ww, hh;
884 xx = XLOG2DEVMAC(x);
885 yy = YLOG2DEVMAC(y);
886 ww = XLOG2DEVREL(width);
887 hh = YLOG2DEVREL(height);
888
889 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
890 CGRect clipRect = CGRectMake( xx , yy , ww, hh ) ;
891 CGContextClipToRect( cgContext , clipRect ) ;
892
893// SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
894// SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
895
896 if ( m_clipping )
897 {
898 m_clipX1 = wxMax( m_clipX1, xx );
899 m_clipY1 = wxMax( m_clipY1, yy );
900 m_clipX2 = wxMin( m_clipX2, (xx + ww) );
901 m_clipY2 = wxMin( m_clipY2, (yy + hh) );
902 }
903 else
904 {
905 m_clipping = true;
906
907 m_clipX1 = xx;
908 m_clipY1 = yy;
909 m_clipX2 = xx + ww;
910 m_clipY2 = yy + hh;
911 }
912
913 // TODO: as soon as we don't reset the context for each operation anymore
914 // we have to update the context as well
915}
916
917void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
918{
919 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
920
921 if (region.Empty())
922 {
923 DestroyClippingRegion();
924 return;
925 }
926
927 wxCoord x, y, w, h;
928 region.GetBox( x, y, w, h );
929 wxCoord xx, yy, ww, hh;
930 xx = XLOG2DEVMAC(x);
931 yy = YLOG2DEVMAC(y);
932 ww = XLOG2DEVREL(w);
933 hh = YLOG2DEVREL(h);
934
935 // if we have a scaling that we cannot map onto native regions
936 // we must use the box
937 if ( ww != w || hh != h )
938 {
939 wxDC::DoSetClippingRegion( x, y, w, h );
940 }
941 else
942 {
943#if 0
944 CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
945 if ( xx != x || yy != y )
946 OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
947 SectRgn( (RgnHandle)m_macCurrentClipRgn , (RgnHandle)m_macBoundaryClipRgn , (RgnHandle)m_macCurrentClipRgn ) ;
948#endif
949
950 if ( m_clipping )
951 {
952 m_clipX1 = wxMax( m_clipX1, xx );
953 m_clipY1 = wxMax( m_clipY1, yy );
954 m_clipX2 = wxMin( m_clipX2, (xx + ww) );
955 m_clipY2 = wxMin( m_clipY2, (yy + hh) );
956 }
957 else
958 {
959 m_clipping = true;
960
961 m_clipX1 = xx;
962 m_clipY1 = yy;
963 m_clipX2 = xx + ww;
964 m_clipY2 = yy + hh;
965 }
966 }
967}
968
969void wxDC::DestroyClippingRegion()
970{
971// CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
972
973 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
974 CGContextRestoreGState( cgContext );
975 CGContextSaveGState( cgContext );
976
977 m_graphicContext->SetPen( m_pen ) ;
978 m_graphicContext->SetBrush( m_brush ) ;
979
980 m_clipping = false;
981}
982
983void wxDC::DoGetSizeMM( int* width, int* height ) const
984{
985 int w = 0, h = 0;
986
987 GetSize( &w, &h );
988 if (width)
989 *width = long( double(w) / (m_scaleX * m_mm_to_pix_x) );
990 if (height)
991 *height = long( double(h) / (m_scaleY * m_mm_to_pix_y) );
992}
993
994void wxDC::SetTextForeground( const wxColour &col )
995{
996 wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextForeground - invalid DC") );
997
998 if ( col != m_textForegroundColour )
999 {
1000 m_textForegroundColour = col;
1001 MacInstallFont() ;
1002 }
1003}
1004
1005void wxDC::SetTextBackground( const wxColour &col )
1006{
1007 wxCHECK_RET( Ok(), wxT("wxDC(cg)::SetTextBackground - invalid DC") );
1008
1009 m_textBackgroundColour = col;
1010}
1011
1012void wxDC::SetMapMode( int mode )
1013{
1014 switch (mode)
1015 {
1016 case wxMM_TWIPS:
1017 SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y );
1018 break;
1019
1020 case wxMM_POINTS:
1021 SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y );
1022 break;
1023
1024 case wxMM_METRIC:
1025 SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
1026 break;
1027
1028 case wxMM_LOMETRIC:
1029 SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 );
1030 break;
1031
1032 case wxMM_TEXT:
1033 default:
1034 SetLogicalScale( 1.0, 1.0 );
1035 break;
1036 }
1037
1038 if (mode != wxMM_TEXT)
1039 {
1040 m_needComputeScaleX =
1041 m_needComputeScaleY = true;
1042 }
1043}
1044
1045void wxDC::SetUserScale( double x, double y )
1046{
1047 // allow negative ? -> no
1048 m_userScaleX = x;
1049 m_userScaleY = y;
1050 ComputeScaleAndOrigin();
1051}
1052
1053void wxDC::SetLogicalScale( double x, double y )
1054{
1055 // allow negative ?
1056 m_logicalScaleX = x;
1057 m_logicalScaleY = y;
1058 ComputeScaleAndOrigin();
1059}
1060
1061void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
1062{
1063 m_logicalOriginX = x * m_signX; // is this still correct ?
1064 m_logicalOriginY = y * m_signY;
1065 ComputeScaleAndOrigin();
1066}
1067
1068void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
1069{
1070 m_externalDeviceOriginX = x;
1071 m_externalDeviceOriginY = y;
1072 ComputeScaleAndOrigin();
1073}
1074
1075void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
1076{
1077 m_signX = (xLeftRight ? 1 : -1);
1078 m_signY = (yBottomUp ? -1 : 1);
1079 ComputeScaleAndOrigin();
1080}
1081
1082wxSize wxDC::GetPPI() const
1083{
1084 return wxSize(72, 72);
1085}
1086
1087int wxDC::GetDepth() const
1088{
1089 return 32 ;
1090}
1091
1092void wxDC::ComputeScaleAndOrigin()
1093{
1094 // CMB: copy scale to see if it changes
1095 double origScaleX = m_scaleX;
1096 double origScaleY = m_scaleY;
1097 m_scaleX = m_logicalScaleX * m_userScaleX;
1098 m_scaleY = m_logicalScaleY * m_userScaleY;
1099 m_deviceOriginX = m_externalDeviceOriginX;
1100 m_deviceOriginY = m_externalDeviceOriginY;
1101
1102 // CMB: if scale has changed call SetPen to recalulate the line width
1103 if (m_scaleX != origScaleX || m_scaleY != origScaleY)
1104 {
1105 // this is a bit artificial, but we need to force wxDC to think
1106 // the pen has changed
1107 wxPen pen( GetPen() );
1108
1109 m_pen = wxNullPen;
1110 SetPen(pen);
1111 }
1112}
1113
1114void wxDC::SetPalette( const wxPalette& palette )
1115{
1116}
1117
1118void wxDC::SetBackgroundMode( int mode )
1119{
1120 m_backgroundMode = mode ;
1121}
1122
1123void wxDC::SetFont( const wxFont &font )
1124{
1125 m_font = font;
1126 MacInstallFont() ;
1127}
1128
1129void wxDC::SetPen( const wxPen &pen )
1130{
1131 if ( m_pen == pen )
1132 return ;
1133
1134 m_pen = pen;
1135 if ( m_graphicContext )
1136 {
1137 if ( m_pen.GetStyle() == wxSOLID || m_pen.GetStyle() == wxTRANSPARENT )
1138 {
1139 m_graphicContext->SetPen( m_pen ) ;
1140 }
1141 else
1142 {
1143 // we have to compensate for moved device origins etc. otherwise patterned pens are standing still
1144 // eg when using a wxScrollWindow and scrolling around
1145 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
1146 int origX = XLOG2DEVMAC(0) ;
1147 int origY = YLOG2DEVMAC(0) ;
1148 CGContextTranslateCTM( cgContext, origX, origY );
1149 m_graphicContext->SetPen( m_pen ) ;
1150 CGContextTranslateCTM( cgContext, -origX, -origY );
1151 }
1152 }
1153}
1154
1155void wxDC::SetBrush( const wxBrush &brush )
1156{
1157 if (m_brush == brush)
1158 return;
1159
1160 m_brush = brush;
1161 if ( m_graphicContext )
1162 {
1163 if ( brush.GetStyle() == wxSOLID || brush.GetStyle() == wxTRANSPARENT )
1164 {
1165 m_graphicContext->SetBrush( m_brush ) ;
1166 }
1167 else
1168 {
1169 // we have to compensate for moved device origins etc. otherwise patterned brushes are standing still
1170 // eg when using a wxScrollWindow and scrolling around
1171 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
1172 int origX = XLOG2DEVMAC(0) ;
1173 int origY = YLOG2DEVMAC(0) ;
1174 CGContextTranslateCTM( cgContext, origX, origY );
1175 m_graphicContext->SetBrush( m_brush ) ;
1176 CGContextTranslateCTM( cgContext, -origX, -origY );
1177 }
1178 }
1179}
1180
1181void wxDC::SetBackground( const wxBrush &brush )
1182{
1183 if (m_backgroundBrush == brush)
1184 return;
1185
1186 m_backgroundBrush = brush;
1187 if (!m_backgroundBrush.Ok())
1188 return;
1189}
1190
1191void wxDC::SetLogicalFunction( int function )
1192{
1193 if (m_logicalFunction == function)
1194 return;
1195
1196 m_logicalFunction = function ;
1197}
1198
1199extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
1200 const wxColour & col, int style);
1201
1202bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
1203 const wxColour& col, int style)
1204{
1205 return wxDoFloodFill(this, x, y, col, style);
1206}
1207
1208bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
1209{
1210 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPixel - invalid DC") );
1211
1212 wxMacPortSaver helper((CGrafPtr)m_macPort) ;
1213 RGBColor colour;
1214
1215 // NB: GetCPixel is a deprecated QD call, and a slow one at that
1216 GetCPixel(
1217 XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x,
1218 YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour );
1219
1220 // convert from Mac colour to wx
1221 col->Set( colour.red >> 8, colour.green >> 8, colour.blue >> 8 );
1222
1223 return true ;
1224}
1225
1226void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
1227{
1228 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLine - invalid DC") );
1229
1230 if ( m_logicalFunction != wxCOPY )
1231 return ;
1232
1233 wxCoord xx1 = XLOG2DEVMAC(x1) ;
1234 wxCoord yy1 = YLOG2DEVMAC(y1) ;
1235 wxCoord xx2 = XLOG2DEVMAC(x2) ;
1236 wxCoord yy2 = YLOG2DEVMAC(y2) ;
1237
1238 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1239 path->MoveToPoint( xx1, yy1 ) ;
1240 path->AddLineToPoint( xx2 , yy2 ) ;
1241 path->CloseSubpath() ;
1242 m_graphicContext->StrokePath( path ) ;
1243 delete path ;
1244
1245 CalcBoundingBox(x1, y1);
1246 CalcBoundingBox(x2, y2);
1247}
1248
1249void wxDC::DoCrossHair( wxCoord x, wxCoord y )
1250{
1251 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoCrossHair - invalid DC") );
1252
1253 if ( m_logicalFunction != wxCOPY )
1254 return ;
1255
1256 int w = 0, h = 0;
1257
1258 GetSize( &w, &h );
1259 wxCoord xx = XLOG2DEVMAC(x);
1260 wxCoord yy = YLOG2DEVMAC(y);
1261
1262 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1263 path->MoveToPoint( XLOG2DEVMAC(0), yy ) ;
1264 path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ;
1265 path->CloseSubpath() ;
1266 path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ;
1267 path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ;
1268 path->CloseSubpath() ;
1269 m_graphicContext->StrokePath( path ) ;
1270 delete path ;
1271
1272 CalcBoundingBox(x, y);
1273 CalcBoundingBox(x + w, y + h);
1274}
1275
1276void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
1277 wxCoord x2, wxCoord y2,
1278 wxCoord xc, wxCoord yc )
1279{
1280 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawArc - invalid DC") );
1281
1282 if ( m_logicalFunction != wxCOPY )
1283 return ;
1284
1285 wxCoord xx1 = XLOG2DEVMAC(x1);
1286 wxCoord yy1 = YLOG2DEVMAC(y1);
1287 wxCoord xx2 = XLOG2DEVMAC(x2);
1288 wxCoord yy2 = YLOG2DEVMAC(y2);
1289 wxCoord xxc = XLOG2DEVMAC(xc);
1290 wxCoord yyc = YLOG2DEVMAC(yc);
1291
1292 double dx = xx1 - xxc;
1293 double dy = yy1 - yyc;
1294 double radius = sqrt((double)(dx * dx + dy * dy));
1295 wxCoord rad = (wxCoord)radius;
1296 double sa, ea;
1297 if (xx1 == xx2 && yy1 == yy2)
1298 {
1299 sa = 0.0;
1300 ea = 360.0;
1301 }
1302 else if (radius == 0.0)
1303 {
1304 sa = ea = 0.0;
1305 }
1306 else
1307 {
1308 sa = (xx1 - xxc == 0) ?
1309 (yy1 - yyc < 0) ? 90.0 : -90.0 :
1310 -atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG;
1311 ea = (xx2 - xxc == 0) ?
1312 (yy2 - yyc < 0) ? 90.0 : -90.0 :
1313 -atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG;
1314 }
1315
1316 bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
1317 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1318 CGContextRef ctx = mctx->GetNativeContext() ;
1319 CGContextSaveGState( ctx ) ;
1320 CGContextTranslateCTM( ctx, xxc , yyc );
1321 CGContextScaleCTM( ctx , 1 , -1 ) ;
1322 if ( fill )
1323 CGContextMoveToPoint( ctx , 0 , 0 ) ;
1324 CGContextAddArc( ctx, 0, 0 , rad , DegToRad(sa), DegToRad(ea), 0 );
1325 if ( fill )
1326 CGContextAddLineToPoint( ctx , 0 , 0 ) ;
1327 CGContextRestoreGState( ctx ) ;
1328 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1329}
1330
1331void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
1332 double sa, double ea )
1333{
1334 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipticArc - invalid DC") );
1335
1336 if ( m_logicalFunction != wxCOPY )
1337 return ;
1338
1339 wxCoord xx = XLOG2DEVMAC(x);
1340 wxCoord yy = YLOG2DEVMAC(y);
1341 wxCoord ww = m_signX * XLOG2DEVREL(w);
1342 wxCoord hh = m_signY * YLOG2DEVREL(h);
1343
1344 // handle -ve width and/or height
1345 if (ww < 0)
1346 {
1347 ww = -ww;
1348 xx = xx - ww;
1349 }
1350 if (hh < 0)
1351 {
1352 hh = -hh;
1353 yy = yy - hh;
1354 }
1355
1356 bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
1357
1358 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1359 CGContextRef ctx = mctx->GetNativeContext() ;
1360
1361 CGContextSaveGState( ctx ) ;
1362 CGContextTranslateCTM( ctx, xx + ww / 2, yy + hh / 2 );
1363 CGContextScaleCTM( ctx , 1 * ww / 2 , -1 * hh / 2 ) ;
1364 if ( fill )
1365 CGContextMoveToPoint( ctx , 0 , 0 ) ;
1366 CGContextAddArc( ctx, 0, 0, 1, DegToRad(sa), DegToRad(ea), 0 );
1367 if ( fill )
1368 CGContextAddLineToPoint( ctx , 0 , 0 ) ;
1369 CGContextRestoreGState( ctx ) ;
1370 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1371}
1372
1373void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
1374{
1375 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPoint - invalid DC") );
1376
1377 DoDrawLine( x , y , x + 1 , y + 1 ) ;
1378}
1379
1380void wxDC::DoDrawLines(int n, wxPoint points[],
1381 wxCoord xoffset, wxCoord yoffset)
1382{
1383 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawLines - invalid DC") );
1384
1385 if ( m_logicalFunction != wxCOPY )
1386 return ;
1387
1388 wxCoord x1, x2 , y1 , y2 ;
1389 x1 = XLOG2DEVMAC(points[0].x + xoffset);
1390 y1 = YLOG2DEVMAC(points[0].y + yoffset);
1391 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1392 path->MoveToPoint( x1 , y1 ) ;
1393 for (int i = 1; i < n; i++)
1394 {
1395 x2 = XLOG2DEVMAC(points[i].x + xoffset);
1396 y2 = YLOG2DEVMAC(points[i].y + yoffset);
1397
1398 path->AddLineToPoint( x2 , y2 ) ;
1399 }
1400
1401 m_graphicContext->StrokePath( path ) ;
1402 delete path ;
1403}
1404
1405#if wxUSE_SPLINES
1406void wxDC::DoDrawSpline(wxList *points)
1407{
1408 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawSpline - invalid DC") );
1409
1410 if ( m_logicalFunction != wxCOPY )
1411 return ;
1412
1413 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1414
1415 wxList::compatibility_iterator node = points->GetFirst();
1416 if (node == wxList::compatibility_iterator())
1417 // empty list
1418 return;
1419
1420 wxPoint *p = (wxPoint *)node->GetData();
1421
1422 wxCoord x1 = p->x;
1423 wxCoord y1 = p->y;
1424
1425 node = node->GetNext();
1426 p = (wxPoint *)node->GetData();
1427
1428 wxCoord x2 = p->x;
1429 wxCoord y2 = p->y;
1430 wxCoord cx1 = ( x1 + x2 ) / 2;
1431 wxCoord cy1 = ( y1 + y2 ) / 2;
1432
1433 path->MoveToPoint( XLOG2DEVMAC( x1 ) , XLOG2DEVMAC( y1 ) ) ;
1434 path->AddLineToPoint( XLOG2DEVMAC( cx1 ) , XLOG2DEVMAC( cy1 ) ) ;
1435
1436#if !wxUSE_STL
1437 while ((node = node->GetNext()) != NULL)
1438#else
1439 while ((node = node->GetNext()))
1440#endif // !wxUSE_STL
1441 {
1442 p = (wxPoint *)node->GetData();
1443 x1 = x2;
1444 y1 = y2;
1445 x2 = p->x;
1446 y2 = p->y;
1447 wxCoord cx4 = (x1 + x2) / 2;
1448 wxCoord cy4 = (y1 + y2) / 2;
1449
1450 path->AddQuadCurveToPoint( XLOG2DEVMAC( x1 ) , XLOG2DEVMAC( y1 ) ,
1451 XLOG2DEVMAC( cx4 ) , XLOG2DEVMAC( cy4 ) ) ;
1452
1453 cx1 = cx4;
1454 cy1 = cy4;
1455 }
1456
1457 path->AddLineToPoint( XLOG2DEVMAC( x2 ) , XLOG2DEVMAC( y2 ) ) ;
1458
1459 m_graphicContext->StrokePath( path ) ;
1460 delete path ;
1461}
1462#endif
1463
1464void wxDC::DoDrawPolygon( int n, wxPoint points[],
1465 wxCoord xoffset, wxCoord yoffset,
1466 int fillStyle )
1467{
1468 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawPolygon - invalid DC") );
1469
1470 if ( n <= 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) )
1471 return ;
1472 if ( m_logicalFunction != wxCOPY )
1473 return ;
1474
1475 wxCoord x1, x2 , y1 , y2 ;
1476 x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
1477 y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
1478
1479 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1480 path->MoveToPoint( x1 , y1 ) ;
1481 for (int i = 1; i < n; i++)
1482 {
1483 x2 = XLOG2DEVMAC(points[i].x + xoffset);
1484 y2 = YLOG2DEVMAC(points[i].y + yoffset);
1485
1486 path->AddLineToPoint( x2 , y2 ) ;
1487 }
1488
1489 if ( x1 != x2 || y1 != y2 )
1490 path->AddLineToPoint( x1, y1 ) ;
1491
1492 path->CloseSubpath() ;
1493 m_graphicContext->DrawPath( path , fillStyle ) ;
1494
1495 delete path ;
1496}
1497
1498void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1499{
1500 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRectangle - invalid DC") );
1501
1502 if ( m_logicalFunction != wxCOPY )
1503 return ;
1504
1505 wxCoord xx = XLOG2DEVMAC(x);
1506 wxCoord yy = YLOG2DEVMAC(y);
1507 wxCoord ww = m_signX * XLOG2DEVREL(width);
1508 wxCoord hh = m_signY * YLOG2DEVREL(height);
1509
1510 // CMB: draw nothing if transformed w or h is 0
1511 if (ww == 0 || hh == 0)
1512 return;
1513
1514 // CMB: handle -ve width and/or height
1515 if (ww < 0)
1516 {
1517 ww = -ww;
1518 xx = xx - ww;
1519 }
1520 if (hh < 0)
1521 {
1522 hh = -hh;
1523 yy = yy - hh;
1524 }
1525
1526 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1527 path->AddRectangle( xx , yy , ww , hh ) ;
1528 m_graphicContext->DrawPath( path ) ;
1529 delete path ;
1530}
1531
1532void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1533 wxCoord width, wxCoord height,
1534 double radius)
1535{
1536 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRoundedRectangle - invalid DC") );
1537
1538 if ( m_logicalFunction != wxCOPY )
1539 return ;
1540
1541 if (radius < 0.0)
1542 radius = - radius * ((width < height) ? width : height);
1543 wxCoord xx = XLOG2DEVMAC(x);
1544 wxCoord yy = YLOG2DEVMAC(y);
1545 wxCoord ww = m_signX * XLOG2DEVREL(width);
1546 wxCoord hh = m_signY * YLOG2DEVREL(height);
1547
1548 // CMB: draw nothing if transformed w or h is 0
1549 if (ww == 0 || hh == 0)
1550 return;
1551
1552 // CMB: handle -ve width and/or height
1553 if (ww < 0)
1554 {
1555 ww = -ww;
1556 xx = xx - ww;
1557 }
1558 if (hh < 0)
1559 {
1560 hh = -hh;
1561 yy = yy - hh;
1562 }
1563
1564 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1565 CGContextRef ctx = mctx->GetNativeContext() ;
1566 AddRoundedRectToPath( ctx , CGRectMake( xx , yy , ww , hh ) , 16 ,16 ) ;
1567 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1568}
1569
1570void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1571{
1572 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawEllipse - invalid DC") );
1573
1574 if ( m_logicalFunction != wxCOPY )
1575 return ;
1576
1577 wxCoord xx = XLOG2DEVMAC(x);
1578 wxCoord yy = YLOG2DEVMAC(y);
1579 wxCoord ww = m_signX * XLOG2DEVREL(width);
1580 wxCoord hh = m_signY * YLOG2DEVREL(height);
1581 // CMB: draw nothing if transformed w or h is 0
1582 if (ww == 0 || hh == 0)
1583 return;
1584
1585 // CMB: handle -ve width and/or height
1586 if (ww < 0)
1587 {
1588 ww = -ww;
1589 xx = xx - ww;
1590 }
1591 if (hh < 0)
1592 {
1593 hh = -hh;
1594 yy = yy - hh;
1595 }
1596
1597 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1598 CGContextRef ctx = mctx->GetNativeContext() ;
1599 CGContextSaveGState( ctx ) ;
1600 CGContextTranslateCTM( ctx, xx + ww / 2, yy + hh / 2 );
1601 CGContextScaleCTM( ctx , ww / 2 , hh / 2 ) ;
1602 CGContextAddArc( ctx, 0, 0, 1, 0 , 2 * M_PI , 0 );
1603 CGContextRestoreGState( ctx ) ;
1604 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1605}
1606
1607bool wxDC::CanDrawBitmap(void) const
1608{
1609 return true ;
1610}
1611
1612bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1613 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1614 wxCoord xsrcMask, wxCoord ysrcMask )
1615{
1616 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoBlit - invalid DC") );
1617 wxCHECK_MSG( source->Ok(), false, wxT("wxDC(cg)::DoBlit - invalid source DC") );
1618
1619 if ( logical_func == wxNO_OP )
1620 return true ;
1621
1622 if (xsrcMask == -1 && ysrcMask == -1)
1623 {
1624 xsrcMask = xsrc;
1625 ysrcMask = ysrc;
1626 }
1627
1628 wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ;
1629 wxCoord xxsrc = source->XLOG2DEVMAC(xsrc) ;
1630 wxCoord wwsrc = source->XLOG2DEVREL(width) ;
1631 wxCoord hhsrc = source->YLOG2DEVREL(height) ;
1632
1633 wxCoord yydest = YLOG2DEVMAC(ydest) ;
1634 wxCoord xxdest = XLOG2DEVMAC(xdest) ;
1635 wxCoord wwdest = XLOG2DEVREL(width) ;
1636 wxCoord hhdest = YLOG2DEVREL(height) ;
1637
1638 wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ;
1639 if ( memdc && logical_func == wxCOPY )
1640 {
1641 wxBitmap blit = memdc->GetSelectedObject() ;
1642
1643 wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ;
1644
1645 wxCoord bmpwidth = blit.GetWidth();
1646 wxCoord bmpheight = blit.GetHeight();
1647
1648 if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc )
1649 {
1650 wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ;
1651 hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ;
1652 if ( wwsrc > 0 && hhsrc > 0 )
1653 {
1654 if ( xxsrc >= 0 && yysrc >= 0 )
1655 {
1656 wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ;
1657 blit = blit.GetSubBitmap( subrect ) ;
1658 }
1659 else
1660 {
1661 // in this case we'd probably have to adjust the different coordinates, but
1662 // we have to find out proper contract first
1663 blit = wxNullBitmap ;
1664 }
1665 }
1666 else
1667 {
1668 blit = wxNullBitmap ;
1669 }
1670 }
1671
1672 if ( blit.Ok() )
1673 {
1674 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
1675 CGImageRef image = (CGImageRef)( blit.CGImageCreate() ) ;
1676 HIRect r = CGRectMake( xxdest , yydest , wwdest , hhdest ) ;
1677 HIViewDrawCGImage( cg , &r , image ) ;
1678 CGImageRelease( image ) ;
1679 }
1680 }
1681 else
1682 {
1683#if 0
1684 CGContextRef cg = (wxMacCGContext*)(source->GetGraphicContext())->GetNativeContext() ;
1685 void *data = CGBitmapContextGetData( cg ) ;
1686#endif
1687
1688 return false ; // wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ;
1689 }
1690
1691 return true;
1692}
1693
1694void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1695 double angle)
1696{
1697 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawRotatedText - invalid DC") );
1698 wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoDrawRotatedText - no valid font set") );
1699
1700 if ( str.Length() == 0 )
1701 return ;
1702 if ( m_logicalFunction != wxCOPY )
1703 return ;
1704
1705 OSStatus status = noErr ;
1706 ATSUTextLayout atsuLayout ;
1707 UniCharCount chars = str.Length() ;
1708 UniChar* ubuf = NULL ;
1709
1710#if SIZEOF_WCHAR_T == 4
1711 wxMBConvUTF16 converter ;
1712#if wxUSE_UNICODE
1713 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1714 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1715 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1716#else
1717 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1718 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1719 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1720 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1721#endif
1722 chars = unicharlen / 2 ;
1723#else
1724#if wxUSE_UNICODE
1725 ubuf = (UniChar*) str.wc_str() ;
1726#else
1727 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1728 chars = wxWcslen( wchar.data() ) ;
1729 ubuf = (UniChar*) wchar.data() ;
1730#endif
1731#endif
1732
1733 int drawX = XLOG2DEVMAC(x) ;
1734 int drawY = YLOG2DEVMAC(y) ;
1735
1736 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1737 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1738
1739 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1740
1741 status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
1742 wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1743
1744 int iAngle = int( angle );
1745 if ( abs(iAngle) > 0 )
1746 {
1747 Fixed atsuAngle = IntToFixed( iAngle ) ;
1748 ATSUAttributeTag atsuTags[] =
1749 {
1750 kATSULineRotationTag ,
1751 } ;
1752 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1753 {
1754 sizeof( Fixed ) ,
1755 } ;
1756 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1757 {
1758 &atsuAngle ,
1759 } ;
1760 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1761 atsuTags, atsuSizes, atsuValues ) ;
1762 }
1763
1764 {
1765 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
1766 ATSUAttributeTag atsuTags[] =
1767 {
1768 kATSUCGContextTag ,
1769 } ;
1770 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1771 {
1772 sizeof( CGContextRef ) ,
1773 } ;
1774 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1775 {
1776 &cgContext ,
1777 } ;
1778 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1779 atsuTags, atsuSizes, atsuValues ) ;
1780 }
1781
1782 ATSUTextMeasurement textBefore, textAfter ;
1783 ATSUTextMeasurement ascent, descent ;
1784
1785 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1786 &textBefore , &textAfter, &ascent , &descent );
1787
1788 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1789
1790 Rect rect ;
1791
1792 if ( m_backgroundMode == wxSOLID )
1793 {
1794 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1795 path->MoveToPoint(
1796 drawX ,
1797 drawY ) ;
1798 path->AddLineToPoint(
1799 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ,
1800 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) ) ;
1801 path->AddLineToPoint(
1802 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1803 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ;
1804 path->AddLineToPoint(
1805 (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1806 (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) ) ;
1807
1808 m_graphicContext->FillPath( path , m_textBackgroundColour ) ;
1809 delete path ;
1810 }
1811
1812 drawX += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
1813 drawY += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
1814
1815 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1816 IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1817 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1818
1819 CGContextSaveGState(((wxMacCGContext*)(m_graphicContext))->GetNativeContext());
1820 CGContextTranslateCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), drawX, drawY);
1821 CGContextScaleCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), 1, -1);
1822 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1823 IntToFixed(0) , IntToFixed(0) );
1824
1825 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1826
1827 CGContextRestoreGState( ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ) ;
1828
1829 CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1830 CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1831
1832 ::ATSUDisposeTextLayout(atsuLayout);
1833
1834#if SIZEOF_WCHAR_T == 4
1835 free( ubuf ) ;
1836#endif
1837}
1838
1839void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1840{
1841 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoDrawText - invalid DC") );
1842
1843 DoDrawRotatedText( strtext , x , y , 0.0 ) ;
1844}
1845
1846bool wxDC::CanGetTextExtent() const
1847{
1848 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::CanGetTextExtent - invalid DC") );
1849
1850 return true ;
1851}
1852
1853void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
1854 wxCoord *descent, wxCoord *externalLeading ,
1855 wxFont *theFont ) const
1856{
1857 wxCHECK_RET( Ok(), wxT("wxDC(cg)::DoGetTextExtent - invalid DC") );
1858
1859 wxFont formerFont = m_font ;
1860 if ( theFont )
1861 {
1862 // work around the const-ness
1863 *((wxFont*)(&m_font)) = *theFont ;
1864 MacInstallFont() ;
1865 }
1866
1867 if ( str.Length() == 0 )
1868 return ;
1869
1870 wxCHECK_RET( m_macATSUIStyle != NULL, wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ) ;
1871
1872 OSStatus status = noErr ;
1873 ATSUTextLayout atsuLayout ;
1874 UniCharCount chars = str.Length() ;
1875 UniChar* ubuf = NULL ;
1876
1877#if SIZEOF_WCHAR_T == 4
1878 wxMBConvUTF16 converter ;
1879#if wxUSE_UNICODE
1880 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1881 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1882 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1883#else
1884 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1885 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1886 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1887 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1888#endif
1889 chars = unicharlen / 2 ;
1890#else
1891#if wxUSE_UNICODE
1892 ubuf = (UniChar*) str.wc_str() ;
1893#else
1894 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1895 chars = wxWcslen( wchar.data() ) ;
1896 ubuf = (UniChar*) wchar.data() ;
1897#endif
1898#endif
1899
1900 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1901 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1902
1903 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
1904
1905 ATSUTextMeasurement textBefore, textAfter ;
1906 ATSUTextMeasurement textAscent, textDescent ;
1907
1908 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1909 &textBefore , &textAfter, &textAscent , &textDescent );
1910
1911 if ( height )
1912 *height = YDEV2LOGREL( FixedToInt(textAscent + textDescent) ) ;
1913 if ( descent )
1914 *descent =YDEV2LOGREL( FixedToInt(textDescent) );
1915 if ( externalLeading )
1916 *externalLeading = 0 ;
1917 if ( width )
1918 *width = XDEV2LOGREL( FixedToInt(textAfter - textBefore) ) ;
1919
1920 ::ATSUDisposeTextLayout(atsuLayout);
1921
1922#if SIZEOF_WCHAR_T == 4
1923 free( ubuf ) ;
1924#endif
1925
1926 if ( theFont )
1927 {
1928 // work around the constness
1929 *((wxFont*)(&m_font)) = formerFont ;
1930 MacInstallFont() ;
1931 }
1932}
1933
1934bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1935{
1936 wxCHECK_MSG( Ok(), false, wxT("wxDC(cg)::DoGetPartialTextExtents - invalid DC") );
1937
1938 widths.Empty();
1939 widths.Add(0, text.Length());
1940
1941 if (text.Length() == 0)
1942 return false;
1943
1944 ATSUTextLayout atsuLayout ;
1945 UniCharCount chars = text.Length() ;
1946 UniChar* ubuf = NULL ;
1947
1948#if SIZEOF_WCHAR_T == 4
1949 wxMBConvUTF16 converter ;
1950#if wxUSE_UNICODE
1951 size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ) ;
1952 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1953 converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ) ;
1954#else
1955 const wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1956 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1957 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1958 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1959#endif
1960 chars = unicharlen / 2 ;
1961#else
1962#if wxUSE_UNICODE
1963 ubuf = (UniChar*) text.wc_str() ;
1964#else
1965 wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1966 chars = wxWcslen( wchar.data() ) ;
1967 ubuf = (UniChar*) wchar.data() ;
1968#endif
1969#endif
1970
1971 OSStatus status;
1972 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1973 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1974
1975 for ( int pos = 0; pos < (int)chars; pos ++ )
1976 {
1977 unsigned long actualNumberOfBounds = 0;
1978 ATSTrapezoid glyphBounds;
1979
1980 // We get a single bound, since the text should only require one. If it requires more, there is an issue
1981 OSStatus result;
1982 result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
1983 kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
1984 if (result != noErr || actualNumberOfBounds != 1 )
1985 return false;
1986
1987 widths[pos] = XDEV2LOGREL(FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ));
1988 //unsigned char uch = s[i];
1989 }
1990
1991 ::ATSUDisposeTextLayout(atsuLayout);
1992 return true;
1993}
1994
1995wxCoord wxDC::GetCharWidth(void) const
1996{
1997 wxCoord width ;
1998 DoGetTextExtent( wxT("g") , &width , NULL , NULL , NULL , NULL ) ;
1999
2000 return width ;
2001}
2002
2003wxCoord wxDC::GetCharHeight(void) const
2004{
2005 wxCoord height ;
2006 DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL ) ;
2007
2008 return height ;
2009}
2010
2011void wxDC::Clear(void)
2012{
2013 wxCHECK_RET( Ok(), wxT("wxDC(cg)::Clear - invalid DC") );
2014
2015 if (m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
2016 {
2017 HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ;
2018 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
2019 switch ( m_backgroundBrush.MacGetBrushKind() )
2020 {
2021 case kwxMacBrushTheme :
2022 {
2023#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
2024 if ( HIThemeSetFill != 0 )
2025 {
2026 HIThemeSetFill( m_backgroundBrush.MacGetTheme(), NULL, cg, kHIThemeOrientationNormal );
2027 CGContextFillRect(cg, rect);
2028
2029 }
2030 else
2031#endif
2032 {
2033 RGBColor color;
2034 GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme(), 32, true, &color );
2035 CGContextSetRGBFillColor( cg, (float) color.red / 65536,
2036 (float) color.green / 65536, (float) color.blue / 65536, 1 );
2037 CGContextFillRect( cg, rect );
2038 }
2039
2040 // reset to normal value
2041 RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
2042 CGContextSetRGBFillColor( cg, col.red / 65536.0, col.green / 65536.0, col.blue / 65536.0, 1.0 );
2043 }
2044 break ;
2045
2046 case kwxMacBrushThemeBackground :
2047 {
2048 wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ;
2049
2050#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
2051 if ( UMAGetSystemVersion() >= 0x1030 )
2052 {
2053 HIThemeBackgroundDrawInfo drawInfo ;
2054 drawInfo.version = 0 ;
2055 drawInfo.state = kThemeStateActive ;
2056 drawInfo.kind = m_backgroundBrush.MacGetThemeBackground( NULL ) ;
2057 if ( drawInfo.kind == kThemeBackgroundMetal )
2058 {
2059 HIThemeDrawBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ;
2060 HIThemeApplyBackground( &rect, &drawInfo, cg, kHIThemeOrientationNormal ) ;
2061 }
2062 }
2063#endif
2064 }
2065 break ;
2066
2067 case kwxMacBrushColour :
2068 {
2069 // FIXME: doesn't correctly render stippled brushes !!
2070 // FIXME: should this be replaced by ::SetBrush() ??
2071
2072 RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ;
2073 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
2074 CGContextFillRect(cg, rect);
2075
2076 // reset to normal value
2077 col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
2078 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
2079 }
2080 break ;
2081
2082 default :
2083 wxFAIL_MSG( wxT("unknown brush kind") ) ;
2084 break ;
2085 }
2086 }
2087}
2088
2089void wxDC::MacInstallFont() const
2090{
2091 wxCHECK_RET( Ok(), wxT("wxDC(cg)::MacInstallFont - invalid DC") );
2092
2093 if ( m_macATSUIStyle )
2094 {
2095 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
2096 m_macATSUIStyle = NULL ;
2097 }
2098
2099 if ( m_font.Ok() )
2100 {
2101 OSStatus status ;
2102
2103 status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
2104
2105 wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ) ;
2106
2107 Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
2108 RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ;
2109 ATSUAttributeTag atsuTags[] =
2110 {
2111 kATSUSizeTag ,
2112 kATSUColorTag ,
2113 } ;
2114 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2115 {
2116 sizeof( Fixed ) ,
2117 sizeof( RGBColor ) ,
2118 } ;
2119 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
2120 {
2121 &atsuSize ,
2122 &atsuColor ,
2123 } ;
2124
2125 status = ::ATSUSetAttributes(
2126 (ATSUStyle)m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
2127 atsuTags, atsuSizes, atsuValues);
2128
2129 wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ) ;
2130 }
2131}
2132
2133#pragma mark -
2134
2135// ---------------------------------------------------------------------------
2136// coordinates transformations
2137// ---------------------------------------------------------------------------
2138
2139wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2140{
2141 return ((wxDC *)this)->XDEV2LOG(x);
2142}
2143
2144wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2145{
2146 return ((wxDC *)this)->YDEV2LOG(y);
2147}
2148
2149wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2150{
2151 return ((wxDC *)this)->XDEV2LOGREL(x);
2152}
2153
2154wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2155{
2156 return ((wxDC *)this)->YDEV2LOGREL(y);
2157}
2158
2159wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2160{
2161 return ((wxDC *)this)->XLOG2DEV(x);
2162}
2163
2164wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2165{
2166 return ((wxDC *)this)->YLOG2DEV(y);
2167}
2168
2169wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2170{
2171 return ((wxDC *)this)->XLOG2DEVREL(x);
2172}
2173
2174wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2175{
2176 return ((wxDC *)this)->YLOG2DEVREL(y);
2177}
2178
2179#endif // wxMAC_USE_CORE_GRAPHICS
2180
wxWidgets (Impactor)