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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: $Id$
8// Copyright: (c) Stefan Csomor
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/wxprec.h"
13
14#if wxUSE_GRAPHICS_CONTEXT && wxMAC_USE_CORE_GRAPHICS
15
16#include "wx/graphics.h"
17
18#ifndef WX_PRECOMP
19 #include "wx/dcclient.h"
20 #include "wx/log.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#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
38typedef float CGFloat;
39#endif
40
41//-----------------------------------------------------------------------------
42// constants
43//-----------------------------------------------------------------------------
44
45#if !defined( __DARWIN__ ) || defined(__MWERKS__)
46#ifndef M_PI
47const double M_PI = 3.14159265358979;
48#endif
49#endif
50
51static const double RAD2DEG = 180.0 / M_PI;
52
53//
54// Pen, Brushes and Fonts
55//
56
57#pragma mark -
58#pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes
59
60// CGPattern wrapper class: always allocate on heap, never call destructor
61
62class wxMacCoreGraphicsPattern
63{
64public :
65 wxMacCoreGraphicsPattern() {}
66
67 // is guaranteed to be called only with a non-Null CGContextRef
68 virtual void Render( CGContextRef ctxRef ) = 0;
69
70 operator CGPatternRef() const { return m_patternRef; }
71
72protected :
73 virtual ~wxMacCoreGraphicsPattern()
74 {
75 // as this is called only when the m_patternRef is been released;
76 // don't release it again
77 }
78
79 static void _Render( void *info, CGContextRef ctxRef )
80 {
81 wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
82 if ( self && ctxRef )
83 self->Render( ctxRef );
84 }
85
86 static void _Dispose( void *info )
87 {
88 wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info;
89 delete self;
90 }
91
92 CGPatternRef m_patternRef;
93
94 static const CGPatternCallbacks ms_Callbacks;
95};
96
97const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose };
98
99class ImagePattern : public wxMacCoreGraphicsPattern
100{
101public :
102 ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform )
103 {
104 wxASSERT( bmp && bmp->Ok() );
105
106 Init( (CGImageRef) bmp->CGImageCreate() , transform );
107 }
108
109 // ImagePattern takes ownership of CGImageRef passed in
110 ImagePattern( CGImageRef image , const CGAffineTransform& transform )
111 {
112 if ( image )
113 CFRetain( image );
114
115 Init( image , transform );
116 }
117
118 virtual void Render( CGContextRef ctxRef )
119 {
120 if (m_image != NULL)
121 HIViewDrawCGImage( ctxRef, &m_imageBounds, m_image );
122 }
123
124protected :
125 void Init( CGImageRef image, const CGAffineTransform& transform )
126 {
127 m_image = image;
128 if ( m_image )
129 {
130 m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) );
131 m_patternRef = CGPatternCreate(
132 this , m_imageBounds, transform ,
133 m_imageBounds.size.width, m_imageBounds.size.height,
134 kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks );
135 }
136 }
137
138 virtual ~ImagePattern()
139 {
140 if ( m_image )
141 CGImageRelease( m_image );
142 }
143
144 CGImageRef m_image;
145 CGRect m_imageBounds;
146};
147
148class HatchPattern : public wxMacCoreGraphicsPattern
149{
150public :
151 HatchPattern( int hatchstyle, const CGAffineTransform& transform )
152 {
153 m_hatch = hatchstyle;
154 m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 );
155 m_patternRef = CGPatternCreate(
156 this , m_imageBounds, transform ,
157 m_imageBounds.size.width, m_imageBounds.size.height,
158 kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks );
159 }
160
161 void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count )
162 {
163#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
164 if ( UMAGetSystemVersion() >= 0x1040 )
165 {
166 CGContextStrokeLineSegments( ctxRef , pts , count );
167 }
168 else
169#endif
170 {
171 CGContextBeginPath( ctxRef );
172 for (size_t i = 0; i < count; i += 2)
173 {
174 CGContextMoveToPoint(ctxRef, pts[i].x, pts[i].y);
175 CGContextAddLineToPoint(ctxRef, pts[i+1].x, pts[i+1].y);
176 }
177 CGContextStrokePath(ctxRef);
178 }
179 }
180
181 virtual void Render( CGContextRef ctxRef )
182 {
183 switch ( m_hatch )
184 {
185 case wxBDIAGONAL_HATCH :
186 {
187 CGPoint pts[] =
188 {
189 { 8.0 , 0.0 } , { 0.0 , 8.0 }
190 };
191 StrokeLineSegments( ctxRef , pts , 2 );
192 }
193 break;
194
195 case wxCROSSDIAG_HATCH :
196 {
197 CGPoint pts[] =
198 {
199 { 0.0 , 0.0 } , { 8.0 , 8.0 } ,
200 { 8.0 , 0.0 } , { 0.0 , 8.0 }
201 };
202 StrokeLineSegments( ctxRef , pts , 4 );
203 }
204 break;
205
206 case wxFDIAGONAL_HATCH :
207 {
208 CGPoint pts[] =
209 {
210 { 0.0 , 0.0 } , { 8.0 , 8.0 }
211 };
212 StrokeLineSegments( ctxRef , pts , 2 );
213 }
214 break;
215
216 case wxCROSS_HATCH :
217 {
218 CGPoint pts[] =
219 {
220 { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
221 { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
222 };
223 StrokeLineSegments( ctxRef , pts , 4 );
224 }
225 break;
226
227 case wxHORIZONTAL_HATCH :
228 {
229 CGPoint pts[] =
230 {
231 { 0.0 , 4.0 } , { 8.0 , 4.0 } ,
232 };
233 StrokeLineSegments( ctxRef , pts , 2 );
234 }
235 break;
236
237 case wxVERTICAL_HATCH :
238 {
239 CGPoint pts[] =
240 {
241 { 4.0 , 0.0 } , { 4.0 , 8.0 } ,
242 };
243 StrokeLineSegments( ctxRef , pts , 2 );
244 }
245 break;
246
247 default:
248 break;
249 }
250 }
251
252protected :
253 virtual ~HatchPattern() {}
254
255 CGRect m_imageBounds;
256 int m_hatch;
257};
258
259class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData
260{
261public:
262 wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen );
263 ~wxMacCoreGraphicsPenData();
264
265 void Init();
266 virtual void Apply( wxGraphicsContext* context );
267 virtual wxDouble GetWidth() { return m_width; }
268
269protected :
270 CGLineCap m_cap;
271 wxMacCFRefHolder<CGColorRef> m_color;
272 wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
273
274 CGLineJoin m_join;
275 CGFloat m_width;
276
277 int m_count;
278 const CGFloat *m_lengths;
279 CGFloat *m_userLengths;
280
281
282 bool m_isPattern;
283 wxMacCFRefHolder<CGPatternRef> m_pattern;
284 CGFloat* m_patternColorComponents;
285};
286
287wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) :
288 wxGraphicsObjectRefData( renderer )
289{
290 Init();
291
292 float components[4] = { pen.GetColour().Red() / 255.0 , pen.GetColour().Green() / 255.0 ,
293 pen.GetColour().Blue() / 255.0 , pen.GetColour().Alpha() / 255.0 } ;
294 m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
295
296 // TODO: * m_dc->m_scaleX
297 m_width = pen.GetWidth();
298 if (m_width <= 0.0)
299 m_width = 0.1;
300
301 switch ( pen.GetCap() )
302 {
303 case wxCAP_ROUND :
304 m_cap = kCGLineCapRound;
305 break;
306
307 case wxCAP_PROJECTING :
308 m_cap = kCGLineCapSquare;
309 break;
310
311 case wxCAP_BUTT :
312 m_cap = kCGLineCapButt;
313 break;
314
315 default :
316 m_cap = kCGLineCapButt;
317 break;
318 }
319
320 switch ( pen.GetJoin() )
321 {
322 case wxJOIN_BEVEL :
323 m_join = kCGLineJoinBevel;
324 break;
325
326 case wxJOIN_MITER :
327 m_join = kCGLineJoinMiter;
328 break;
329
330 case wxJOIN_ROUND :
331 m_join = kCGLineJoinRound;
332 break;
333
334 default :
335 m_join = kCGLineJoinMiter;
336 break;
337 }
338
339 const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width;
340
341 const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 };
342 static const CGFloat short_dashed[] = { 9.0 , 6.0 };
343 static const CGFloat dashed[] = { 19.0 , 9.0 };
344 static const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 };
345
346 switch ( pen.GetStyle() )
347 {
348 case wxSOLID :
349 break;
350
351 case wxDOT :
352 m_count = WXSIZEOF(dotted);
353 m_userLengths = new CGFloat[ m_count ] ;
354 memcpy( m_userLengths, dotted, sizeof(dotted) );
355 m_lengths = m_userLengths;
356 break;
357
358 case wxLONG_DASH :
359 m_count = WXSIZEOF(dashed);
360 m_lengths = dashed;
361 break;
362
363 case wxSHORT_DASH :
364 m_count = WXSIZEOF(short_dashed);
365 m_lengths = short_dashed;
366 break;
367
368 case wxDOT_DASH :
369 m_count = WXSIZEOF(dotted_dashed);
370 m_lengths = dotted_dashed;
371 break;
372
373 case wxUSER_DASH :
374 wxDash *dashes;
375 m_count = pen.GetDashes( &dashes );
376 if ((dashes != NULL) && (m_count > 0))
377 {
378 m_userLengths = new CGFloat[m_count];
379 for ( int i = 0; i < m_count; ++i )
380 {
381 m_userLengths[i] = dashes[i] * dashUnit;
382
383 if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 )
384 m_userLengths[i] = dashUnit + 2.0;
385 else if ( i % 2 == 0 && m_userLengths[i] < dashUnit )
386 m_userLengths[i] = dashUnit;
387 }
388 }
389 m_lengths = m_userLengths;
390 break;
391
392 case wxSTIPPLE :
393 {
394 wxBitmap* bmp = pen.GetStipple();
395 if ( bmp && bmp->Ok() )
396 {
397 m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
398 m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
399 m_patternColorComponents = new CGFloat[1] ;
400 m_patternColorComponents[0] = 1.0;
401 m_isPattern = true;
402 }
403 }
404 break;
405
406 default :
407 {
408 m_isPattern = true;
409 m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
410 m_pattern.Set( *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
411 m_patternColorComponents = new CGFloat[4] ;
412 m_patternColorComponents[0] = pen.GetColour().Red() / 255.0;
413 m_patternColorComponents[1] = pen.GetColour().Green() / 255.0;
414 m_patternColorComponents[2] = pen.GetColour().Blue() / 255.0;
415 m_patternColorComponents[3] = pen.GetColour().Alpha() / 255.0;
416 }
417 break;
418 }
419 if ((m_lengths != NULL) && (m_count > 0))
420 {
421 // force the line cap, otherwise we get artifacts (overlaps) and just solid lines
422 m_cap = kCGLineCapButt;
423 }
424}
425
426wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData()
427{
428 delete[] m_userLengths;
429 delete[] m_patternColorComponents;
430}
431
432void wxMacCoreGraphicsPenData::Init()
433{
434 m_lengths = NULL;
435 m_userLengths = NULL;
436 m_width = NULL;
437 m_count = 0;
438 m_patternColorComponents = NULL;
439 m_isPattern = false;
440}
441
442void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context )
443{
444 CGContextRef cg = (CGContextRef) context->GetNativeContext();
445 CGContextSetLineWidth( cg , m_width );
446 CGContextSetLineJoin( cg , m_join );
447
448 CGContextSetLineDash( cg , 0 , m_lengths , m_count );
449 CGContextSetLineCap( cg , m_cap );
450
451 if ( m_isPattern )
452 {
453 CGContextSetStrokeColorSpace( cg , m_colorSpace );
454 CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents );
455 }
456 else
457 {
458 CGContextSetStrokeColorWithColor( cg , m_color );
459 }
460}
461
462//
463// Brush
464//
465
466class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData
467{
468public:
469 wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer );
470 wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush );
471 ~wxMacCoreGraphicsBrushData ();
472
473 virtual void Apply( wxGraphicsContext* context );
474 void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
475 const wxColour&c1, const wxColour&c2 );
476 void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
477 const wxColour &oColor, const wxColour &cColor );
478
479 virtual bool IsShading() { return m_isShading; }
480 CGShadingRef GetShading() { return m_shading; }
481protected:
482 CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 );
483 static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out);
484 virtual void Init();
485
486 wxMacCFRefHolder<CGColorRef> m_color;
487 wxMacCFRefHolder<CGColorSpaceRef> m_colorSpace;
488
489 bool m_isPattern;
490 wxMacCFRefHolder<CGPatternRef> m_pattern;
491 CGFloat* m_patternColorComponents;
492
493 bool m_isShading;
494 CGFunctionRef m_gradientFunction;
495 CGShadingRef m_shading;
496 CGFloat *m_gradientComponents;
497};
498
499wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer )
500{
501 Init();
502}
503
504void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
505 const wxColour&c1, const wxColour&c2 )
506{
507 m_gradientFunction = CreateGradientFunction( c1, c2 );
508 m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake(x1,y1), CGPointMake(x2,y2), m_gradientFunction, true, true ) ;
509 m_isShading = true ;
510}
511
512void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
513 const wxColour &oColor, const wxColour &cColor )
514{
515 m_gradientFunction = CreateGradientFunction( oColor, cColor );
516 m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake(xo,yo), 0, CGPointMake(xc,yc), radius, m_gradientFunction, true, true ) ;
517 m_isShading = true ;
518}
519
520wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer )
521{
522 Init();
523
524 if ( brush.GetStyle() == wxSOLID )
525 {
526 float components[4] = { brush.GetColour().Red() / 255.0 , brush.GetColour().Green() / 255.0 ,
527 brush.GetColour().Blue() / 255.0 , brush.GetColour().Alpha() / 255.0 } ;
528 m_color.Set( CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ) ;
529 }
530 else if ( brush.IsHatch() )
531 {
532 m_isPattern = true;
533 m_colorSpace.Set( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) );
534 m_pattern.Set( *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
535
536 m_patternColorComponents = new CGFloat[4] ;
537 m_patternColorComponents[0] = brush.GetColour().Red() / 255.0;
538 m_patternColorComponents[1] = brush.GetColour().Green() / 255.0;
539 m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0;
540 m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0;
541 }
542 else
543 {
544 // now brush is a bitmap
545 wxBitmap* bmp = brush.GetStipple();
546 if ( bmp && bmp->Ok() )
547 {
548 m_isPattern = true;
549 m_patternColorComponents = new CGFloat[1] ;
550 m_patternColorComponents[0] = 1.0;
551 m_colorSpace.Set( CGColorSpaceCreatePattern( NULL ) );
552 m_pattern.Set( *( new ImagePattern( bmp , CGAffineTransformMakeTranslation( 0,0 ) ) ) );
553 }
554 }
555}
556
557wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData()
558{
559 if ( m_shading )
560 CGShadingRelease(m_shading);
561
562 if( m_gradientFunction )
563 CGFunctionRelease(m_gradientFunction);
564
565 delete[] m_gradientComponents;
566 delete[] m_patternColorComponents;
567}
568
569void wxMacCoreGraphicsBrushData::Init()
570{
571 m_patternColorComponents = NULL;
572 m_gradientFunction = NULL;
573 m_shading = NULL;
574 m_isPattern = false;
575 m_gradientComponents = NULL;
576 m_isShading = false;
577}
578
579void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context )
580{
581 CGContextRef cg = (CGContextRef) context->GetNativeContext();
582
583 if ( m_isShading )
584 {
585 }
586 else
587 {
588 if ( m_isPattern )
589 {
590 CGContextSetFillColorSpace( cg , m_colorSpace );
591 CGContextSetFillPattern( cg, m_pattern , m_patternColorComponents );
592 }
593 else
594 {
595 CGContextSetFillColorWithColor( cg, m_color );
596 }
597 }
598}
599
600void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out)
601{
602 CGFloat* colors = (CGFloat*) info ;
603 CGFloat f = *in;
604 for( int i = 0 ; i < 4 ; ++i )
605 {
606 out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f;
607 }
608}
609
610CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 )
611{
612 static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL };
613 static const CGFloat input_value_range [2] = { 0, 1 };
614 static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 };
615 m_gradientComponents = new CGFloat[8] ;
616 m_gradientComponents[0] = c1.Red() / 255.0;
617 m_gradientComponents[1] = c1.Green() / 255.0;
618 m_gradientComponents[2] = c1.Blue() / 255.0;
619 m_gradientComponents[3] = c1.Alpha() / 255.0;
620 m_gradientComponents[4] = c2.Red() / 255.0;
621 m_gradientComponents[5] = c2.Green() / 255.0;
622 m_gradientComponents[6] = c2.Blue() / 255.0;
623 m_gradientComponents[7] = c2.Alpha() / 255.0;
624
625 return CGFunctionCreate ( m_gradientComponents, 1,
626 input_value_range,
627 4,
628 output_value_ranges,
629 &callbacks);
630}
631
632//
633// Font
634//
635
636class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData
637{
638public:
639 wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col );
640 ~wxMacCoreGraphicsFontData();
641
642 virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; }
643private :
644 ATSUStyle m_macATSUIStyle;
645};
646
647wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer )
648{
649 m_macATSUIStyle = NULL;
650
651 OSStatus status;
652
653 status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle );
654
655 wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") );
656
657 // we need the scale here ...
658
659 Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) );
660 RGBColor atsuColor = MAC_WXCOLORREF( col.GetPixel() );
661 ATSUAttributeTag atsuTags[] =
662 {
663 kATSUSizeTag ,
664 kATSUColorTag ,
665 };
666 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
667 {
668 sizeof( Fixed ) ,
669 sizeof( RGBColor ) ,
670 };
671 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
672 {
673 &atsuSize ,
674 &atsuColor ,
675 };
676
677 status = ::ATSUSetAttributes(
678 m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
679 atsuTags, atsuSizes, atsuValues);
680
681 wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
682}
683
684wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData()
685{
686 if ( m_macATSUIStyle )
687 {
688 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
689 m_macATSUIStyle = NULL;
690 }
691}
692
693//
694// Graphics Matrix
695//
696
697//-----------------------------------------------------------------------------
698// wxMacCoreGraphicsMatrix declaration
699//-----------------------------------------------------------------------------
700
701class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrix : public wxGraphicsMatrix
702{
703public :
704 wxMacCoreGraphicsMatrix() ;
705
706 wxMacCoreGraphicsMatrix(wxGraphicsRenderer* renderer, wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
707 wxDouble tx=0.0, wxDouble ty=0.0) ;
708
709 virtual ~wxMacCoreGraphicsMatrix() ;
710
711 virtual wxGraphicsMatrix *Clone() const ;
712
713 // concatenates the matrix
714 virtual void Concat( const wxGraphicsMatrix *t );
715
716 // copies the passed in matrix
717 virtual void Copy( const wxGraphicsMatrix *t );
718
719 // sets the matrix to the respective values
720 virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
721 wxDouble tx=0.0, wxDouble ty=0.0);
722
723 // makes this the inverse matrix
724 virtual void Invert();
725
726 // returns true if the elements of the transformation matrix are equal ?
727 virtual bool IsEqual( const wxGraphicsMatrix* t) const ;
728
729 // return true if this is the identity matrix
730 virtual bool IsIdentity();
731
732 //
733 // transformation
734 //
735
736 // add the translation to this matrix
737 virtual void Translate( wxDouble dx , wxDouble dy );
738
739 // add the scale to this matrix
740 virtual void Scale( wxDouble xScale , wxDouble yScale );
741
742 // add the rotation to this matrix (radians)
743 virtual void Rotate( wxDouble angle );
744
745 //
746 // apply the transforms
747 //
748
749 // applies that matrix to the point
750 virtual void TransformPoint( wxDouble *x, wxDouble *y );
751
752 // applies the matrix except for translations
753 virtual void TransformDistance( wxDouble *dx, wxDouble *dy );
754
755 // returns the native representation
756 virtual void * GetNativeMatrix() const;
757
758private :
759 CGAffineTransform m_matrix;
760
761 DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsMatrix)
762} ;
763
764//-----------------------------------------------------------------------------
765// wxMacCoreGraphicsMatrix implementation
766//-----------------------------------------------------------------------------
767
768IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsMatrix, wxGraphicsMatrix)
769
770wxMacCoreGraphicsMatrix::wxMacCoreGraphicsMatrix() : wxGraphicsMatrix(NULL)
771{
772 wxLogDebug(wxT("Illegal Constructor called"));
773}
774
775wxMacCoreGraphicsMatrix::wxMacCoreGraphicsMatrix(wxGraphicsRenderer* renderer, wxDouble a, wxDouble b, wxDouble c, wxDouble d,
776 wxDouble tx, wxDouble ty) : wxGraphicsMatrix(renderer)
777{
778 m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
779}
780
781wxMacCoreGraphicsMatrix::~wxMacCoreGraphicsMatrix()
782{
783}
784
785wxGraphicsMatrix *wxMacCoreGraphicsMatrix::Clone() const
786{
787 wxMacCoreGraphicsMatrix* m = new wxMacCoreGraphicsMatrix(GetRenderer()) ;
788 m->m_matrix = m_matrix ;
789 return m;
790}
791
792// concatenates the matrix
793void wxMacCoreGraphicsMatrix::Concat( const wxGraphicsMatrix *t )
794{
795 m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) );
796}
797
798// copies the passed in matrix
799void wxMacCoreGraphicsMatrix::Copy( const wxGraphicsMatrix *t )
800{
801 m_matrix = *((CGAffineTransform*) t->GetNativeMatrix());
802}
803
804// sets the matrix to the respective values
805void wxMacCoreGraphicsMatrix::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
806 wxDouble tx, wxDouble ty)
807{
808 m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
809}
810
811// makes this the inverse matrix
812void wxMacCoreGraphicsMatrix::Invert()
813{
814 m_matrix = CGAffineTransformInvert( m_matrix );
815}
816
817// returns true if the elements of the transformation matrix are equal ?
818bool wxMacCoreGraphicsMatrix::IsEqual( const wxGraphicsMatrix* t) const
819{
820 const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix();
821 return (
822 m_matrix.a == tm->a &&
823 m_matrix.b == tm->b &&
824 m_matrix.c == tm->c &&
825 m_matrix.d == tm->d &&
826 m_matrix.tx == tm->tx &&
827 m_matrix.ty == tm->ty ) ;
828
829 return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
830}
831
832// return true if this is the identity matrix
833bool wxMacCoreGraphicsMatrix::IsIdentity()
834{
835 return ( m_matrix.a == 1 && m_matrix.d == 1 &&
836 m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0);
837}
838
839//
840// transformation
841//
842
843// add the translation to this matrix
844void wxMacCoreGraphicsMatrix::Translate( wxDouble dx , wxDouble dy )
845{
846 m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy);
847}
848
849// add the scale to this matrix
850void wxMacCoreGraphicsMatrix::Scale( wxDouble xScale , wxDouble yScale )
851{
852 m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale);
853}
854
855// add the rotation to this matrix (radians)
856void wxMacCoreGraphicsMatrix::Rotate( wxDouble angle )
857{
858 m_matrix = CGAffineTransformRotate( m_matrix, angle);
859}
860
861//
862// apply the transforms
863//
864
865// applies that matrix to the point
866void wxMacCoreGraphicsMatrix::TransformPoint( wxDouble *x, wxDouble *y )
867{
868 CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix);
869
870 *x = pt.x;
871 *y = pt.y;
872}
873
874// applies the matrix except for translations
875void wxMacCoreGraphicsMatrix::TransformDistance( wxDouble *dx, wxDouble *dy )
876{
877 CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix );
878 *dx = sz.width;
879 *dy = sz.height;
880}
881
882// returns the native representation
883void * wxMacCoreGraphicsMatrix::GetNativeMatrix() const
884{
885 return (void*) &m_matrix;
886}
887
888//
889// Graphics Path
890//
891
892//-----------------------------------------------------------------------------
893// wxMacCoreGraphicsPath declaration
894//-----------------------------------------------------------------------------
895
896class WXDLLEXPORT wxMacCoreGraphicsPath : public wxGraphicsPath
897{
898public :
899 wxMacCoreGraphicsPath( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL);
900
901 wxMacCoreGraphicsPath();
902
903 ~wxMacCoreGraphicsPath();
904
905 virtual wxGraphicsPath *Clone() const;
906
907 // begins a new subpath at (x,y)
908 virtual void MoveToPoint( wxDouble x, wxDouble y );
909
910 // adds a straight line from the current point to (x,y)
911 virtual void AddLineToPoint( wxDouble x, wxDouble y );
912
913 // adds a cubic Bezier curve from the current point, using two control points and an end point
914 virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
915
916 // closes the current sub-path
917 virtual void CloseSubpath();
918
919 // gets the last point of the current path, (0,0) if not yet set
920 virtual void GetCurrentPoint( wxDouble& x, wxDouble&y);
921
922 // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
923 virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
924
925 //
926 // These are convenience functions which - if not available natively will be assembled
927 // using the primitives from above
928 //
929
930 // adds a quadratic Bezier curve from the current point, using a control point and an end point
931 virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
932
933 // appends a rectangle as a new closed subpath
934 virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
935
936 // appends an ellipsis as a new closed subpath fitting the passed rectangle
937 virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
938
939 // draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
940 virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
941
942 // adds another path
943 virtual void AddPath( const wxGraphicsPath* path );
944
945 // returns the native path
946 virtual void * GetNativePath() const { return m_path; }
947
948 // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
949 virtual void UnGetNativePath(void *p) {}
950
951 // transforms each point of this path by the matrix
952 virtual void Transform( wxGraphicsMatrix* matrix );
953
954 // gets the bounding box enclosing all points (possibly including control points)
955 virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y);
956
957 virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxWINDING_RULE);
958 DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsPath)
959private :
960 CGMutablePathRef m_path;
961};
962
963//-----------------------------------------------------------------------------
964// wxMacCoreGraphicsPath implementation
965//-----------------------------------------------------------------------------
966
967IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsPath, wxGraphicsPath)
968
969wxMacCoreGraphicsPath::wxMacCoreGraphicsPath() : wxGraphicsPath(NULL)
970{
971 wxLogDebug(wxT("Illegal Constructor called"));
972}
973
974
975wxMacCoreGraphicsPath::wxMacCoreGraphicsPath( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPath(renderer)
976{
977 if ( path )
978 m_path = path;
979 else
980 m_path = CGPathCreateMutable();
981}
982
983wxMacCoreGraphicsPath::~wxMacCoreGraphicsPath()
984{
985 CGPathRelease( m_path );
986}
987
988wxGraphicsPath* wxMacCoreGraphicsPath::Clone() const
989{
990 wxMacCoreGraphicsPath* clone = new wxMacCoreGraphicsPath(GetRenderer(),CGPathCreateMutableCopy(m_path));
991 return clone ;
992}
993
994
995// opens (starts) a new subpath
996void wxMacCoreGraphicsPath::MoveToPoint( wxDouble x1 , wxDouble y1 )
997{
998 CGPathMoveToPoint( m_path , NULL , x1 , y1 );
999}
1000
1001void wxMacCoreGraphicsPath::AddLineToPoint( wxDouble x1 , wxDouble y1 )
1002{
1003 CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
1004}
1005
1006void wxMacCoreGraphicsPath::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
1007{
1008 CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
1009}
1010
1011void wxMacCoreGraphicsPath::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
1012{
1013 CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
1014}
1015
1016void wxMacCoreGraphicsPath::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1017{
1018 CGRect cgRect = { { x , y } , { w , h } };
1019 CGPathAddRect( m_path , NULL , cgRect );
1020}
1021
1022void wxMacCoreGraphicsPath::AddCircle( wxDouble x, wxDouble y , wxDouble r )
1023{
1024 CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
1025}
1026
1027// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
1028void wxMacCoreGraphicsPath::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
1029{
1030 // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
1031 CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise);
1032}
1033
1034void wxMacCoreGraphicsPath::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
1035{
1036 CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r);
1037}
1038
1039void wxMacCoreGraphicsPath::AddPath( const wxGraphicsPath* path )
1040{
1041 CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
1042}
1043
1044// closes the current subpath
1045void wxMacCoreGraphicsPath::CloseSubpath()
1046{
1047 CGPathCloseSubpath( m_path );
1048}
1049
1050// gets the last point of the current path, (0,0) if not yet set
1051void wxMacCoreGraphicsPath::GetCurrentPoint( wxDouble& x, wxDouble&y)
1052{
1053 CGPoint p = CGPathGetCurrentPoint( m_path );
1054 x = p.x;
1055 y = p.y;
1056}
1057
1058// transforms each point of this path by the matrix
1059void wxMacCoreGraphicsPath::Transform( wxGraphicsMatrix* matrix )
1060{
1061 CGMutablePathRef p = CGPathCreateMutable() ;
1062 CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path );
1063 CGPathRelease( m_path );
1064 m_path = p;
1065}
1066
1067// gets the bounding box enclosing all points (possibly including control points)
1068void wxMacCoreGraphicsPath::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h)
1069{
1070 CGRect bounds = CGPathGetBoundingBox( m_path ) ;
1071 *x = bounds.origin.x;
1072 *y = bounds.origin.y;
1073 *w = bounds.size.width;
1074 *h = bounds.size.height;
1075}
1076
1077bool wxMacCoreGraphicsPath::Contains( wxDouble x, wxDouble y, int fillStyle)
1078{
1079 return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
1080}
1081
1082
1083//
1084// Graphics Pen
1085//
1086
1087//-----------------------------------------------------------------------------
1088// wxMacCoreGraphicsPen declaration
1089//-----------------------------------------------------------------------------
1090
1091
1092//
1093// Graphics Context
1094//
1095
1096//-----------------------------------------------------------------------------
1097// wxMacCoreGraphicsContext declaration
1098//-----------------------------------------------------------------------------
1099
1100class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
1101{
1102public:
1103 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext );
1104
1105 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
1106
1107 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window );
1108
1109 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
1110
1111 wxMacCoreGraphicsContext();
1112
1113 ~wxMacCoreGraphicsContext();
1114
1115 void Init();
1116
1117 // push the current state of the context, ie the transformation matrix on a stack
1118 virtual void PushState();
1119
1120 // pops a stored state from the stack
1121 virtual void PopState();
1122
1123 // clips drawings to the region
1124 virtual void Clip( const wxRegion &region );
1125
1126 // clips drawings to the rect
1127 virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1128
1129 // resets the clipping to original extent
1130 virtual void ResetClip();
1131
1132 virtual void * GetNativeContext();
1133
1134 //
1135 // transformation
1136 //
1137
1138 // translate
1139 virtual void Translate( wxDouble dx , wxDouble dy );
1140
1141 // scale
1142 virtual void Scale( wxDouble xScale , wxDouble yScale );
1143
1144 // rotate (radians)
1145 virtual void Rotate( wxDouble angle );
1146
1147 // concatenates this transform with the current transform of this context
1148 virtual void ConcatTransform( const wxGraphicsMatrix* matrix );
1149
1150 // sets the transform of this context
1151 virtual void SetTransform( const wxGraphicsMatrix* matrix );
1152
1153 // gets the matrix of this context
1154 virtual void GetTransform( wxGraphicsMatrix* matrix );
1155 //
1156 // setting the paint
1157 //
1158
1159 // strokes along a path with the current pen
1160 virtual void StrokePath( const wxGraphicsPath *path );
1161
1162 // fills a path with the current brush
1163 virtual void FillPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
1164
1165 // draws a path by first filling and then stroking
1166 virtual void DrawPath( const wxGraphicsPath *path, int fillStyle = wxWINDING_RULE );
1167
1168 virtual bool ShouldOffset() const
1169 {
1170 int penwidth = 0 ;
1171 if ( !m_pen.IsNull() )
1172 {
1173 penwidth = ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
1174 if ( penwidth == 0 )
1175 penwidth = 1;
1176 }
1177 return ( penwidth % 2 ) == 1;
1178 }
1179 //
1180 // text
1181 //
1182
1183 virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
1184
1185 virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
1186
1187 virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
1188 wxDouble *descent, wxDouble *externalLeading ) const;
1189
1190 virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
1191
1192 //
1193 // image support
1194 //
1195
1196 virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1197
1198 virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1199
1200 void SetNativeContext( CGContextRef cg );
1201
1202 DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
1203 DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
1204
1205private:
1206 void EnsureIsValid();
1207
1208 CGContextRef m_cgContext;
1209 WindowRef m_windowRef;
1210 int m_originX;
1211 int m_originY;
1212 wxMacCFRefHolder<HIShapeRef> m_clipRgn;
1213 bool m_releaseContext;
1214};
1215
1216//-----------------------------------------------------------------------------
1217// device context implementation
1218//
1219// more and more of the dc functionality should be implemented by calling
1220// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
1221// also coordinate conversions should be moved to native matrix ops
1222//-----------------------------------------------------------------------------
1223
1224// we always stock two context states, one at entry, to be able to preserve the
1225// state we were called with, the other one after changing to HI Graphics orientation
1226// (this one is used for getting back clippings etc)
1227
1228//-----------------------------------------------------------------------------
1229// wxMacCoreGraphicsContext implementation
1230//-----------------------------------------------------------------------------
1231
1232IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
1233
1234void wxMacCoreGraphicsContext::Init()
1235{
1236 m_cgContext = NULL;
1237 m_releaseContext = false;
1238 m_windowRef = NULL;
1239 m_originX = 0;
1240 m_originY = 0;
1241 HIRect r = CGRectMake(0,0,0,0);
1242 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1243}
1244
1245wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer)
1246{
1247 Init();
1248 m_cgContext = cgcontext;
1249 // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
1250 // in order to get font properties, like wxFont::GetPixelSize, but since we don't have
1251 // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef
1252 // for this one operation.
1253
1254 // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
1255 // can be removed.
1256 if (m_cgContext)
1257 {
1258 CGContextSaveGState( m_cgContext );
1259 CGContextSaveGState( m_cgContext );
1260 }
1261}
1262
1263wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
1264{
1265 Init();
1266 m_windowRef = window;
1267}
1268
1269wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
1270{
1271 Init();
1272 m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
1273 m_originX = m_originY = 0;
1274 window->MacWindowToRootWindow( &m_originX , &m_originY );
1275}
1276
1277wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
1278{
1279 Init();
1280}
1281
1282wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
1283{
1284 Init();
1285 wxLogDebug(wxT("Illegal Constructor called"));
1286}
1287
1288wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
1289{
1290 if ( m_cgContext )
1291 {
1292 // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
1293 CGContextRestoreGState( m_cgContext );
1294 CGContextRestoreGState( m_cgContext );
1295 }
1296
1297 if ( m_releaseContext )
1298 QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
1299}
1300
1301void wxMacCoreGraphicsContext::EnsureIsValid()
1302{
1303 if ( !m_cgContext )
1304 {
1305 OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
1306 wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
1307 Rect bounds;
1308 GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
1309 CGContextSaveGState( m_cgContext );
1310 CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top );
1311 CGContextScaleCTM( m_cgContext , 1 , -1 );
1312 CGContextTranslateCTM( m_cgContext, m_originX, m_originY );
1313 CGContextSaveGState( m_cgContext );
1314 m_releaseContext = true;
1315 if ( !HIShapeIsEmpty(m_clipRgn) )
1316 {
1317 HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
1318 CGContextClip( m_cgContext );
1319 }
1320 }
1321}
1322
1323
1324void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
1325{
1326 if( m_cgContext )
1327 {
1328 HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
1329 HIShapeReplacePathInCGContext( shape, m_cgContext );
1330 CGContextClip( m_cgContext );
1331 CFRelease( shape );
1332 }
1333 else
1334 {
1335 m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
1336 }
1337}
1338
1339// clips drawings to the rect
1340void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1341{
1342 HIRect r = CGRectMake( x , y , w , h );
1343 if ( m_cgContext )
1344 {
1345 CGContextClipToRect( m_cgContext, r );
1346 }
1347 else
1348 {
1349 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1350 }
1351}
1352
1353 // resets the clipping to original extent
1354void wxMacCoreGraphicsContext::ResetClip()
1355{
1356 if ( m_cgContext )
1357 {
1358 CGContextRestoreGState( m_cgContext );
1359 CGContextSaveGState( m_cgContext );
1360 }
1361 else
1362 {
1363 HIRect r = CGRectMake(0,0,0,0);
1364 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1365 }
1366}
1367
1368void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath *path )
1369{
1370 if ( m_pen.IsNull() )
1371 return ;
1372
1373 EnsureIsValid();
1374
1375 bool offset = ShouldOffset();
1376 if ( offset )
1377 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
1378
1379 ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1380 CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
1381 CGContextStrokePath( m_cgContext );
1382
1383 if ( offset )
1384 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
1385}
1386
1387void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath *path , int fillStyle )
1388{
1389 if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1390 {
1391 // when using shading, we cannot draw pen and brush at the same time
1392 // revert to the base implementation of first filling and then stroking
1393 wxGraphicsContext::DrawPath( path, fillStyle );
1394 return;
1395 }
1396
1397 CGPathDrawingMode mode = kCGPathFill ;
1398 if ( m_brush.IsNull() )
1399 {
1400 if ( m_pen.IsNull() )
1401 return;
1402 else
1403 mode = kCGPathStroke;
1404 }
1405 else
1406 {
1407 if ( m_pen.IsNull() )
1408 {
1409 if ( fillStyle == wxODDEVEN_RULE )
1410 mode = kCGPathEOFill;
1411 else
1412 mode = kCGPathFill;
1413 }
1414 else
1415 {
1416 if ( fillStyle == wxODDEVEN_RULE )
1417 mode = kCGPathEOFillStroke;
1418 else
1419 mode = kCGPathFillStroke;
1420 }
1421 }
1422
1423 EnsureIsValid();
1424
1425 if ( !m_brush.IsNull() )
1426 ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1427 if ( !m_pen.IsNull() )
1428 ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1429
1430 bool offset = ShouldOffset();
1431
1432 if ( offset )
1433 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
1434
1435 CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
1436 CGContextDrawPath( m_cgContext , mode );
1437
1438 if ( offset )
1439 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
1440}
1441
1442void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath *path , int fillStyle )
1443{
1444 if ( m_brush.IsNull() )
1445 return;
1446
1447 EnsureIsValid();
1448
1449 if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1450 {
1451 CGContextSaveGState( m_cgContext );
1452 CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
1453 CGContextClip( m_cgContext );
1454 CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() );
1455 CGContextRestoreGState( m_cgContext);
1456 }
1457 else
1458 {
1459 ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1460 CGContextAddPath( m_cgContext , (CGPathRef) path->GetNativePath() );
1461 if ( fillStyle == wxODDEVEN_RULE )
1462 CGContextEOFillPath( m_cgContext );
1463 else
1464 CGContextFillPath( m_cgContext );
1465 }
1466}
1467
1468void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
1469{
1470 // we allow either setting or clearing but not replacing
1471 wxASSERT( m_cgContext == NULL || cg == NULL );
1472
1473 if ( cg )
1474 CGContextSaveGState( cg );
1475 m_cgContext = cg;
1476}
1477
1478void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
1479{
1480 EnsureIsValid();
1481
1482 CGContextTranslateCTM( m_cgContext, dx, dy );
1483}
1484
1485void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
1486{
1487 EnsureIsValid();
1488
1489 CGContextScaleCTM( m_cgContext , xScale , yScale );
1490}
1491
1492void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
1493{
1494 EnsureIsValid();
1495
1496 CGContextRotateCTM( m_cgContext , angle );
1497}
1498
1499void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1500{
1501 EnsureIsValid();
1502
1503 CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
1504 HIRect r = CGRectMake( x , y , w , h );
1505 HIViewDrawCGImage( m_cgContext , &r , image );
1506 CGImageRelease( image );
1507}
1508
1509void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1510{
1511 EnsureIsValid();
1512
1513 CGRect r = CGRectMake( 00 , 00 , w , h );
1514 CGContextSaveGState( m_cgContext );
1515 CGContextTranslateCTM( m_cgContext, x , y + h );
1516 CGContextScaleCTM( m_cgContext, 1, -1 );
1517 PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
1518 NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
1519 CGContextRestoreGState( m_cgContext );
1520}
1521
1522void wxMacCoreGraphicsContext::PushState()
1523{
1524 EnsureIsValid();
1525
1526 CGContextSaveGState( m_cgContext );
1527}
1528
1529void wxMacCoreGraphicsContext::PopState()
1530{
1531 EnsureIsValid();
1532
1533 CGContextRestoreGState( m_cgContext );
1534}
1535
1536void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
1537{
1538 DrawText(str, x, y, 0.0);
1539}
1540
1541void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
1542{
1543 if ( m_font.IsNull() )
1544 return;
1545
1546 EnsureIsValid();
1547
1548 OSStatus status = noErr;
1549 ATSUTextLayout atsuLayout;
1550 UniCharCount chars = str.length();
1551 UniChar* ubuf = NULL;
1552
1553#if SIZEOF_WCHAR_T == 4
1554 wxMBConvUTF16 converter;
1555#if wxUSE_UNICODE
1556 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
1557 ubuf = (UniChar*) malloc( unicharlen + 2 );
1558 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
1559#else
1560 const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1561 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1562 ubuf = (UniChar*) malloc( unicharlen + 2 );
1563 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1564#endif
1565 chars = unicharlen / 2;
1566#else
1567#if wxUSE_UNICODE
1568 ubuf = (UniChar*) str.wc_str();
1569#else
1570 wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1571 chars = wxWcslen( wchar.data() );
1572 ubuf = (UniChar*) wchar.data();
1573#endif
1574#endif
1575
1576 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1577 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1578 &chars , &style , &atsuLayout );
1579
1580 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1581
1582 status = ::ATSUSetTransientFontMatching( atsuLayout , true );
1583 wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1584
1585 int iAngle = int( angle * RAD2DEG );
1586 if ( abs(iAngle) > 0 )
1587 {
1588 Fixed atsuAngle = IntToFixed( iAngle );
1589 ATSUAttributeTag atsuTags[] =
1590 {
1591 kATSULineRotationTag ,
1592 };
1593 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1594 {
1595 sizeof( Fixed ) ,
1596 };
1597 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1598 {
1599 &atsuAngle ,
1600 };
1601 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1602 atsuTags, atsuSizes, atsuValues );
1603 }
1604
1605 {
1606 ATSUAttributeTag atsuTags[] =
1607 {
1608 kATSUCGContextTag ,
1609 };
1610 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1611 {
1612 sizeof( CGContextRef ) ,
1613 };
1614 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1615 {
1616 &m_cgContext ,
1617 };
1618 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1619 atsuTags, atsuSizes, atsuValues );
1620 }
1621
1622 ATSUTextMeasurement textBefore, textAfter;
1623 ATSUTextMeasurement ascent, descent;
1624
1625 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1626 &textBefore , &textAfter, &ascent , &descent );
1627
1628 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1629
1630 Rect rect;
1631/*
1632 // TODO
1633 if ( m_backgroundMode == wxSOLID )
1634 {
1635 wxGraphicsPath* path = m_graphicContext->CreatePath();
1636 path->MoveToPoint( drawX , drawY );
1637 path->AddLineToPoint(
1638 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ,
1639 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) );
1640 path->AddLineToPoint(
1641 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1642 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
1643 path->AddLineToPoint(
1644 (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1645 (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
1646
1647 m_graphicContext->FillPath( path , m_textBackgroundColour );
1648 delete path;
1649 }
1650*/
1651 x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
1652 y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
1653
1654 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1655 IntToFixed(x) , IntToFixed(y) , &rect );
1656 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1657
1658 CGContextSaveGState(m_cgContext);
1659 CGContextTranslateCTM(m_cgContext, x, y);
1660 CGContextScaleCTM(m_cgContext, 1, -1);
1661 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1662 IntToFixed(0) , IntToFixed(0) );
1663
1664 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1665
1666 CGContextRestoreGState(m_cgContext);
1667
1668 ::ATSUDisposeTextLayout(atsuLayout);
1669
1670#if SIZEOF_WCHAR_T == 4
1671 free( ubuf );
1672#endif
1673}
1674
1675void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
1676 wxDouble *descent, wxDouble *externalLeading ) const
1677{
1678 wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
1679
1680 OSStatus status = noErr;
1681
1682 ATSUTextLayout atsuLayout;
1683 UniCharCount chars = str.length();
1684 UniChar* ubuf = NULL;
1685
1686#if SIZEOF_WCHAR_T == 4
1687 wxMBConvUTF16 converter;
1688#if wxUSE_UNICODE
1689 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
1690 ubuf = (UniChar*) malloc( unicharlen + 2 );
1691 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
1692#else
1693 const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1694 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1695 ubuf = (UniChar*) malloc( unicharlen + 2 );
1696 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1697#endif
1698 chars = unicharlen / 2;
1699#else
1700#if wxUSE_UNICODE
1701 ubuf = (UniChar*) str.wc_str();
1702#else
1703 wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1704 chars = wxWcslen( wchar.data() );
1705 ubuf = (UniChar*) wchar.data();
1706#endif
1707#endif
1708
1709 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1710 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1711 &chars , &style , &atsuLayout );
1712
1713 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
1714
1715 ATSUTextMeasurement textBefore, textAfter;
1716 ATSUTextMeasurement textAscent, textDescent;
1717
1718 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1719 &textBefore , &textAfter, &textAscent , &textDescent );
1720
1721 if ( height )
1722 *height = FixedToInt(textAscent + textDescent);
1723 if ( descent )
1724 *descent = FixedToInt(textDescent);
1725 if ( externalLeading )
1726 *externalLeading = 0;
1727 if ( width )
1728 *width = FixedToInt(textAfter - textBefore);
1729
1730 ::ATSUDisposeTextLayout(atsuLayout);
1731}
1732
1733void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
1734{
1735 widths.Empty();
1736 widths.Add(0, text.length());
1737
1738 if (text.empty())
1739 return;
1740
1741 ATSUTextLayout atsuLayout;
1742 UniCharCount chars = text.length();
1743 UniChar* ubuf = NULL;
1744
1745#if SIZEOF_WCHAR_T == 4
1746 wxMBConvUTF16 converter;
1747#if wxUSE_UNICODE
1748 size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 );
1749 ubuf = (UniChar*) malloc( unicharlen + 2 );
1750 converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 );
1751#else
1752 const wxWCharBuffer wchar = text.wc_str( wxConvLocal );
1753 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1754 ubuf = (UniChar*) malloc( unicharlen + 2 );
1755 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1756#endif
1757 chars = unicharlen / 2;
1758#else
1759#if wxUSE_UNICODE
1760 ubuf = (UniChar*) text.wc_str();
1761#else
1762 wxWCharBuffer wchar = text.wc_str( wxConvLocal );
1763 chars = wxWcslen( wchar.data() );
1764 ubuf = (UniChar*) wchar.data();
1765#endif
1766#endif
1767
1768 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1769 ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1770 &chars , &style , &atsuLayout );
1771
1772 for ( int pos = 0; pos < (int)chars; pos ++ )
1773 {
1774 unsigned long actualNumberOfBounds = 0;
1775 ATSTrapezoid glyphBounds;
1776
1777 // We get a single bound, since the text should only require one. If it requires more, there is an issue
1778 OSStatus result;
1779 result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
1780 kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
1781 if (result != noErr || actualNumberOfBounds != 1 )
1782 return;
1783
1784 widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
1785 //unsigned char uch = s[i];
1786 }
1787
1788 ::ATSUDisposeTextLayout(atsuLayout);
1789}
1790
1791void * wxMacCoreGraphicsContext::GetNativeContext()
1792{
1793 return m_cgContext;
1794}
1795
1796// concatenates this transform with the current transform of this context
1797void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix* matrix )
1798{
1799}
1800
1801// sets the transform of this context
1802void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix* matrix )
1803{
1804}
1805
1806// gets the matrix of this context
1807void wxMacCoreGraphicsContext::GetTransform( wxGraphicsMatrix* matrix )
1808{
1809}
1810
1811//
1812// Renderer
1813//
1814
1815//-----------------------------------------------------------------------------
1816// wxMacCoreGraphicsRenderer declaration
1817//-----------------------------------------------------------------------------
1818
1819class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer
1820{
1821public :
1822 wxMacCoreGraphicsRenderer() {}
1823
1824 virtual ~wxMacCoreGraphicsRenderer() {}
1825
1826 // Context
1827
1828 virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
1829
1830 virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
1831
1832 virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
1833
1834 virtual wxGraphicsContext * CreateContext( wxWindow* window );
1835
1836 // Path
1837
1838 virtual wxGraphicsPath * CreatePath();
1839
1840 // Matrix
1841
1842 virtual wxGraphicsMatrix * CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
1843 wxDouble tx=0.0, wxDouble ty=0.0);
1844
1845
1846 virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
1847
1848 virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
1849
1850 // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
1851 virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
1852 const wxColour&c1, const wxColour&c2) ;
1853
1854 // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
1855 // with radius r and color cColor
1856 virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
1857 const wxColour &oColor, const wxColour &cColor) ;
1858
1859 // sets the font
1860 virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
1861
1862private :
1863 DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
1864} ;
1865
1866//-----------------------------------------------------------------------------
1867// wxMacCoreGraphicsRenderer implementation
1868//-----------------------------------------------------------------------------
1869
1870IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer)
1871
1872static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer;
1873
1874wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
1875{
1876 return &gs_MacCoreGraphicsRenderer;
1877}
1878
1879wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
1880{
1881 return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
1882}
1883
1884wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
1885{
1886 return new wxMacCoreGraphicsContext(this,(CGContextRef)context);
1887}
1888
1889
1890wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window )
1891{
1892 return new wxMacCoreGraphicsContext(this,(WindowRef)window);
1893}
1894
1895wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
1896{
1897 return new wxMacCoreGraphicsContext(this, window );
1898}
1899
1900// Path
1901
1902wxGraphicsPath * wxMacCoreGraphicsRenderer::CreatePath()
1903{
1904 return new wxMacCoreGraphicsPath( this );
1905}
1906
1907
1908// Matrix
1909
1910wxGraphicsMatrix * wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
1911 wxDouble tx, wxDouble ty)
1912
1913{
1914 wxMacCoreGraphicsMatrix* m = new wxMacCoreGraphicsMatrix( this );
1915 m->Set( a,b,c,d,tx,ty ) ;
1916 return m;
1917}
1918
1919wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
1920{
1921 if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
1922 return wxNullGraphicsPen;
1923 else
1924 {
1925 wxGraphicsPen p;
1926 p.SetRefData(new wxMacCoreGraphicsPenData( this, pen ));
1927 return p;
1928 }
1929}
1930
1931wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
1932{
1933 if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
1934 return wxNullGraphicsBrush;
1935 else
1936 {
1937 wxGraphicsBrush p;
1938 p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush ));
1939 return p;
1940 }
1941}
1942
1943// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
1944wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
1945 const wxColour&c1, const wxColour&c2)
1946{
1947 wxGraphicsBrush p;
1948 wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
1949 d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
1950 p.SetRefData(d);
1951 return p;
1952}
1953
1954// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
1955// with radius r and color cColor
1956wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
1957 const wxColour &oColor, const wxColour &cColor)
1958{
1959 wxGraphicsBrush p;
1960 wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
1961 d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
1962 p.SetRefData(d);
1963 return p;
1964}
1965
1966// sets the font
1967wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
1968{
1969 if ( font.Ok() )
1970 {
1971 wxGraphicsFont p;
1972 p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col ));
1973 return p;
1974 }
1975 else
1976 return wxNullGraphicsFont;
1977}
1978
1979
1980
1981#endif // wxMAC_USE_CORE_GRAPHICS
wxWidgets (Impactor)