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renamed IsRefTo() to IsSameAs() (do complain if this is not more clear) and
[wxWidgets.git] / src / mac / carbon / graphics.cpp
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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 wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData
702{
703public :
704 wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ;
705
706 virtual ~wxMacCoreGraphicsMatrixData() ;
707
708 virtual wxGraphicsObjectRefData *Clone() const ;
709
710 // concatenates the matrix
711 virtual void Concat( const wxGraphicsMatrixData *t );
712
713 // sets the matrix to the respective values
714 virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
715 wxDouble tx=0.0, wxDouble ty=0.0);
716
717 // makes this the inverse matrix
718 virtual void Invert();
719
720 // returns true if the elements of the transformation matrix are equal ?
721 virtual bool IsEqual( const wxGraphicsMatrixData* t) const ;
722
723 // return true if this is the identity matrix
724 virtual bool IsIdentity() const;
725
726 //
727 // transformation
728 //
729
730 // add the translation to this matrix
731 virtual void Translate( wxDouble dx , wxDouble dy );
732
733 // add the scale to this matrix
734 virtual void Scale( wxDouble xScale , wxDouble yScale );
735
736 // add the rotation to this matrix (radians)
737 virtual void Rotate( wxDouble angle );
738
739 //
740 // apply the transforms
741 //
742
743 // applies that matrix to the point
744 virtual void TransformPoint( wxDouble *x, wxDouble *y ) const;
745
746 // applies the matrix except for translations
747 virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const;
748
749 // returns the native representation
750 virtual void * GetNativeMatrix() const;
751
752private :
753 CGAffineTransform m_matrix;
754} ;
755
756//-----------------------------------------------------------------------------
757// wxMacCoreGraphicsMatrix implementation
758//-----------------------------------------------------------------------------
759
760wxMacCoreGraphicsMatrixData::wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) : wxGraphicsMatrixData(renderer)
761{
762}
763
764wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData()
765{
766}
767
768wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const
769{
770 wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ;
771 m->m_matrix = m_matrix ;
772 return m;
773}
774
775// concatenates the matrix
776void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t )
777{
778 m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) );
779}
780
781// sets the matrix to the respective values
782void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d,
783 wxDouble tx, wxDouble ty)
784{
785 m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty);
786}
787
788// makes this the inverse matrix
789void wxMacCoreGraphicsMatrixData::Invert()
790{
791 m_matrix = CGAffineTransformInvert( m_matrix );
792}
793
794// returns true if the elements of the transformation matrix are equal ?
795bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const
796{
797 const CGAffineTransform* tm = (CGAffineTransform*) t->GetNativeMatrix();
798 return (
799 m_matrix.a == tm->a &&
800 m_matrix.b == tm->b &&
801 m_matrix.c == tm->c &&
802 m_matrix.d == tm->d &&
803 m_matrix.tx == tm->tx &&
804 m_matrix.ty == tm->ty ) ;
805
806 return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()));
807}
808
809// return true if this is the identity matrix
810bool wxMacCoreGraphicsMatrixData::IsIdentity() const
811{
812 return ( m_matrix.a == 1 && m_matrix.d == 1 &&
813 m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0);
814}
815
816//
817// transformation
818//
819
820// add the translation to this matrix
821void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy )
822{
823 m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy);
824}
825
826// add the scale to this matrix
827void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale )
828{
829 m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale);
830}
831
832// add the rotation to this matrix (radians)
833void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle )
834{
835 m_matrix = CGAffineTransformRotate( m_matrix, angle);
836}
837
838//
839// apply the transforms
840//
841
842// applies that matrix to the point
843void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const
844{
845 CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix);
846
847 *x = pt.x;
848 *y = pt.y;
849}
850
851// applies the matrix except for translations
852void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const
853{
854 CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix );
855 *dx = sz.width;
856 *dy = sz.height;
857}
858
859// returns the native representation
860void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const
861{
862 return (void*) &m_matrix;
863}
864
865//
866// Graphics Path
867//
868
869//-----------------------------------------------------------------------------
870// wxMacCoreGraphicsPath declaration
871//-----------------------------------------------------------------------------
872
873class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData
874{
875public :
876 wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL);
877
878 ~wxMacCoreGraphicsPathData();
879
880 virtual wxGraphicsObjectRefData *Clone() const;
881
882 // begins a new subpath at (x,y)
883 virtual void MoveToPoint( wxDouble x, wxDouble y );
884
885 // adds a straight line from the current point to (x,y)
886 virtual void AddLineToPoint( wxDouble x, wxDouble y );
887
888 // adds a cubic Bezier curve from the current point, using two control points and an end point
889 virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y );
890
891 // closes the current sub-path
892 virtual void CloseSubpath();
893
894 // gets the last point of the current path, (0,0) if not yet set
895 virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const;
896
897 // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
898 virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise );
899
900 //
901 // These are convenience functions which - if not available natively will be assembled
902 // using the primitives from above
903 //
904
905 // adds a quadratic Bezier curve from the current point, using a control point and an end point
906 virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y );
907
908 // appends a rectangle as a new closed subpath
909 virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
910
911 // appends an ellipsis as a new closed subpath fitting the passed rectangle
912 virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r );
913
914 // 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)
915 virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r );
916
917 // adds another path
918 virtual void AddPath( const wxGraphicsPathData* path );
919
920 // returns the native path
921 virtual void * GetNativePath() const { return m_path; }
922
923 // give the native path returned by GetNativePath() back (there might be some deallocations necessary)
924 virtual void UnGetNativePath(void *p) const {}
925
926 // transforms each point of this path by the matrix
927 virtual void Transform( const wxGraphicsMatrixData* matrix );
928
929 // gets the bounding box enclosing all points (possibly including control points)
930 virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const;
931
932 virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const;
933private :
934 CGMutablePathRef m_path;
935};
936
937//-----------------------------------------------------------------------------
938// wxMacCoreGraphicsPath implementation
939//-----------------------------------------------------------------------------
940
941wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer)
942{
943 if ( path )
944 m_path = path;
945 else
946 m_path = CGPathCreateMutable();
947}
948
949wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData()
950{
951 CGPathRelease( m_path );
952}
953
954wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const
955{
956 wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path));
957 return clone ;
958}
959
960
961// opens (starts) a new subpath
962void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 )
963{
964 CGPathMoveToPoint( m_path , NULL , x1 , y1 );
965}
966
967void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 )
968{
969 CGPathAddLineToPoint( m_path , NULL , x1 , y1 );
970}
971
972void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )
973{
974 CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y );
975}
976
977void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y )
978{
979 CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y );
980}
981
982void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
983{
984 CGRect cgRect = { { x , y } , { w , h } };
985 CGPathAddRect( m_path , NULL , cgRect );
986}
987
988void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r )
989{
990 CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true );
991}
992
993// adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle
994void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise )
995{
996 // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup
997 CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise);
998}
999
1000void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
1001{
1002 CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r);
1003}
1004
1005void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path )
1006{
1007 CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() );
1008}
1009
1010// closes the current subpath
1011void wxMacCoreGraphicsPathData::CloseSubpath()
1012{
1013 CGPathCloseSubpath( m_path );
1014}
1015
1016// gets the last point of the current path, (0,0) if not yet set
1017void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const
1018{
1019 CGPoint p = CGPathGetCurrentPoint( m_path );
1020 *x = p.x;
1021 *y = p.y;
1022}
1023
1024// transforms each point of this path by the matrix
1025void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix )
1026{
1027 CGMutablePathRef p = CGPathCreateMutable() ;
1028 CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path );
1029 CGPathRelease( m_path );
1030 m_path = p;
1031}
1032
1033// gets the bounding box enclosing all points (possibly including control points)
1034void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const
1035{
1036 CGRect bounds = CGPathGetBoundingBox( m_path ) ;
1037 *x = bounds.origin.x;
1038 *y = bounds.origin.y;
1039 *w = bounds.size.width;
1040 *h = bounds.size.height;
1041}
1042
1043bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const
1044{
1045 return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE );
1046}
1047
1048//
1049// Graphics Context
1050//
1051
1052//-----------------------------------------------------------------------------
1053// wxMacCoreGraphicsContext declaration
1054//-----------------------------------------------------------------------------
1055
1056class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext
1057{
1058public:
1059 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext );
1060
1061 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window );
1062
1063 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window );
1064
1065 wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer);
1066
1067 wxMacCoreGraphicsContext();
1068
1069 ~wxMacCoreGraphicsContext();
1070
1071 void Init();
1072
1073 // push the current state of the context, ie the transformation matrix on a stack
1074 virtual void PushState();
1075
1076 // pops a stored state from the stack
1077 virtual void PopState();
1078
1079 // clips drawings to the region
1080 virtual void Clip( const wxRegion &region );
1081
1082 // clips drawings to the rect
1083 virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1084
1085 // resets the clipping to original extent
1086 virtual void ResetClip();
1087
1088 virtual void * GetNativeContext();
1089
1090 //
1091 // transformation
1092 //
1093
1094 // translate
1095 virtual void Translate( wxDouble dx , wxDouble dy );
1096
1097 // scale
1098 virtual void Scale( wxDouble xScale , wxDouble yScale );
1099
1100 // rotate (radians)
1101 virtual void Rotate( wxDouble angle );
1102
1103 // concatenates this transform with the current transform of this context
1104 virtual void ConcatTransform( const wxGraphicsMatrix& matrix );
1105
1106 // sets the transform of this context
1107 virtual void SetTransform( const wxGraphicsMatrix& matrix );
1108
1109 // gets the matrix of this context
1110 virtual wxGraphicsMatrix GetTransform() const;
1111 //
1112 // setting the paint
1113 //
1114
1115 // strokes along a path with the current pen
1116 virtual void StrokePath( const wxGraphicsPath &path );
1117
1118 // fills a path with the current brush
1119 virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
1120
1121 // draws a path by first filling and then stroking
1122 virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE );
1123
1124 virtual bool ShouldOffset() const
1125 {
1126 int penwidth = 0 ;
1127 if ( !m_pen.IsNull() )
1128 {
1129 penwidth = ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth();
1130 if ( penwidth == 0 )
1131 penwidth = 1;
1132 }
1133 return ( penwidth % 2 ) == 1;
1134 }
1135 //
1136 // text
1137 //
1138
1139 virtual void DrawText( const wxString &str, wxDouble x, wxDouble y );
1140
1141 virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle );
1142
1143 virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height,
1144 wxDouble *descent, wxDouble *externalLeading ) const;
1145
1146 virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
1147
1148 //
1149 // image support
1150 //
1151
1152 virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1153
1154 virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h );
1155
1156 void SetNativeContext( CGContextRef cg );
1157
1158 DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext)
1159 DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext)
1160
1161private:
1162 void EnsureIsValid();
1163
1164 CGContextRef m_cgContext;
1165 WindowRef m_windowRef;
1166 bool m_releaseContext;
1167 CGAffineTransform m_windowTransform;
1168
1169 wxMacCFRefHolder<HIShapeRef> m_clipRgn;
1170};
1171
1172//-----------------------------------------------------------------------------
1173// device context implementation
1174//
1175// more and more of the dc functionality should be implemented by calling
1176// the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step
1177// also coordinate conversions should be moved to native matrix ops
1178//-----------------------------------------------------------------------------
1179
1180// we always stock two context states, one at entry, to be able to preserve the
1181// state we were called with, the other one after changing to HI Graphics orientation
1182// (this one is used for getting back clippings etc)
1183
1184//-----------------------------------------------------------------------------
1185// wxMacCoreGraphicsContext implementation
1186//-----------------------------------------------------------------------------
1187
1188IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext)
1189
1190void wxMacCoreGraphicsContext::Init()
1191{
1192 m_cgContext = NULL;
1193 m_releaseContext = false;
1194 m_windowRef = NULL;
1195
1196 HIRect r = CGRectMake(0,0,0,0);
1197 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1198}
1199
1200wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext ) : wxGraphicsContext(renderer)
1201{
1202 Init();
1203 SetNativeContext(cgcontext);
1204}
1205
1206wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer)
1207{
1208 Init();
1209 m_windowRef = window;
1210}
1211
1212wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer)
1213{
1214 Init();
1215 m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef();
1216 int originX , originY;
1217 originX = originY = 0;
1218 window->MacWindowToRootWindow( &originX , &originY );
1219 Rect bounds;
1220 GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds );
1221
1222 m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top );
1223 m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 );
1224 m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ;
1225}
1226
1227wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer)
1228{
1229 Init();
1230}
1231
1232wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL)
1233{
1234 Init();
1235 wxLogDebug(wxT("Illegal Constructor called"));
1236}
1237
1238wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext()
1239{
1240 SetNativeContext(NULL);
1241}
1242
1243void wxMacCoreGraphicsContext::EnsureIsValid()
1244{
1245 if ( !m_cgContext )
1246 {
1247 OSStatus status = QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext );
1248 wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") );
1249
1250 CGContextConcatCTM( m_cgContext, m_windowTransform );
1251 CGContextSaveGState( m_cgContext );
1252 m_releaseContext = true;
1253 if ( !HIShapeIsEmpty(m_clipRgn) )
1254 {
1255 HIShapeReplacePathInCGContext( m_clipRgn, m_cgContext );
1256 CGContextClip( m_cgContext );
1257 }
1258 }
1259}
1260
1261
1262void wxMacCoreGraphicsContext::Clip( const wxRegion &region )
1263{
1264 if( m_cgContext )
1265 {
1266 HIShapeRef shape = HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() );
1267 HIShapeReplacePathInCGContext( shape, m_cgContext );
1268 CGContextClip( m_cgContext );
1269 CFRelease( shape );
1270 }
1271 else
1272 {
1273 m_clipRgn.Set(HIShapeCreateWithQDRgn( (RgnHandle) region.GetWXHRGN() ));
1274 }
1275}
1276
1277// clips drawings to the rect
1278void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1279{
1280 HIRect r = CGRectMake( x , y , w , h );
1281 if ( m_cgContext )
1282 {
1283 CGContextClipToRect( m_cgContext, r );
1284 }
1285 else
1286 {
1287 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1288 }
1289}
1290
1291 // resets the clipping to original extent
1292void wxMacCoreGraphicsContext::ResetClip()
1293{
1294 if ( m_cgContext )
1295 {
1296 CGContextRestoreGState( m_cgContext );
1297 CGContextSaveGState( m_cgContext );
1298 }
1299 else
1300 {
1301 HIRect r = CGRectMake(0,0,0,0);
1302 m_clipRgn.Set(HIShapeCreateWithRect(&r));
1303 }
1304}
1305
1306void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path )
1307{
1308 if ( m_pen.IsNull() )
1309 return ;
1310
1311 EnsureIsValid();
1312
1313 bool offset = ShouldOffset();
1314 if ( offset )
1315 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
1316
1317 ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1318 CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1319 CGContextStrokePath( m_cgContext );
1320
1321 if ( offset )
1322 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
1323}
1324
1325void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle )
1326{
1327 if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1328 {
1329 // when using shading, we cannot draw pen and brush at the same time
1330 // revert to the base implementation of first filling and then stroking
1331 wxGraphicsContext::DrawPath( path, fillStyle );
1332 return;
1333 }
1334
1335 CGPathDrawingMode mode = kCGPathFill ;
1336 if ( m_brush.IsNull() )
1337 {
1338 if ( m_pen.IsNull() )
1339 return;
1340 else
1341 mode = kCGPathStroke;
1342 }
1343 else
1344 {
1345 if ( m_pen.IsNull() )
1346 {
1347 if ( fillStyle == wxODDEVEN_RULE )
1348 mode = kCGPathEOFill;
1349 else
1350 mode = kCGPathFill;
1351 }
1352 else
1353 {
1354 if ( fillStyle == wxODDEVEN_RULE )
1355 mode = kCGPathEOFillStroke;
1356 else
1357 mode = kCGPathFillStroke;
1358 }
1359 }
1360
1361 EnsureIsValid();
1362
1363 if ( !m_brush.IsNull() )
1364 ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1365 if ( !m_pen.IsNull() )
1366 ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this);
1367
1368 bool offset = ShouldOffset();
1369
1370 if ( offset )
1371 CGContextTranslateCTM( m_cgContext, 0.5, 0.5 );
1372
1373 CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1374 CGContextDrawPath( m_cgContext , mode );
1375
1376 if ( offset )
1377 CGContextTranslateCTM( m_cgContext, -0.5, -0.5 );
1378}
1379
1380void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle )
1381{
1382 if ( m_brush.IsNull() )
1383 return;
1384
1385 EnsureIsValid();
1386
1387 if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() )
1388 {
1389 CGContextSaveGState( m_cgContext );
1390 CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1391 CGContextClip( m_cgContext );
1392 CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() );
1393 CGContextRestoreGState( m_cgContext);
1394 }
1395 else
1396 {
1397 ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this);
1398 CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() );
1399 if ( fillStyle == wxODDEVEN_RULE )
1400 CGContextEOFillPath( m_cgContext );
1401 else
1402 CGContextFillPath( m_cgContext );
1403 }
1404}
1405
1406void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg )
1407{
1408 // we allow either setting or clearing but not replacing
1409 wxASSERT( m_cgContext == NULL || cg == NULL );
1410
1411 if ( m_cgContext )
1412 {
1413 // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext );
1414 CGContextRestoreGState( m_cgContext );
1415 CGContextRestoreGState( m_cgContext );
1416 if ( m_releaseContext )
1417 QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext);
1418 else
1419 CGContextRelease(m_cgContext);
1420 }
1421
1422
1423 m_cgContext = cg;
1424
1425 // FIXME: This check is needed because currently we need to use a DC/GraphicsContext
1426 // in order to get font properties, like wxFont::GetPixelSize, but since we don't have
1427 // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef
1428 // for this one operation.
1429
1430 // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check
1431 // can be removed.
1432 if (m_cgContext)
1433 {
1434 CGContextRetain(m_cgContext);
1435 CGContextSaveGState( m_cgContext );
1436 CGContextSaveGState( m_cgContext );
1437 m_releaseContext = NULL;
1438 }
1439}
1440
1441void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy )
1442{
1443 if ( m_cgContext )
1444 CGContextTranslateCTM( m_cgContext, dx, dy );
1445 else
1446 m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy);
1447}
1448
1449void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale )
1450{
1451 if ( m_cgContext )
1452 CGContextScaleCTM( m_cgContext , xScale , yScale );
1453 else
1454 m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale);
1455}
1456
1457void wxMacCoreGraphicsContext::Rotate( wxDouble angle )
1458{
1459 if ( m_cgContext )
1460 CGContextRotateCTM( m_cgContext , angle );
1461 else
1462 m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle);
1463}
1464
1465void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1466{
1467 EnsureIsValid();
1468
1469 CGImageRef image = (CGImageRef)( bmp.CGImageCreate() );
1470 HIRect r = CGRectMake( x , y , w , h );
1471 HIViewDrawCGImage( m_cgContext , &r , image );
1472 CGImageRelease( image );
1473}
1474
1475void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h )
1476{
1477 EnsureIsValid();
1478
1479 CGRect r = CGRectMake( 00 , 00 , w , h );
1480 CGContextSaveGState( m_cgContext );
1481 CGContextTranslateCTM( m_cgContext, x , y + h );
1482 CGContextScaleCTM( m_cgContext, 1, -1 );
1483 PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone ,
1484 NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) );
1485 CGContextRestoreGState( m_cgContext );
1486}
1487
1488void wxMacCoreGraphicsContext::PushState()
1489{
1490 EnsureIsValid();
1491
1492 CGContextSaveGState( m_cgContext );
1493}
1494
1495void wxMacCoreGraphicsContext::PopState()
1496{
1497 EnsureIsValid();
1498
1499 CGContextRestoreGState( m_cgContext );
1500}
1501
1502void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
1503{
1504 DrawText(str, x, y, 0.0);
1505}
1506
1507void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle )
1508{
1509 if ( m_font.IsNull() )
1510 return;
1511
1512 EnsureIsValid();
1513
1514 OSStatus status = noErr;
1515 ATSUTextLayout atsuLayout;
1516 UniCharCount chars = str.length();
1517 UniChar* ubuf = NULL;
1518
1519#if SIZEOF_WCHAR_T == 4
1520 wxMBConvUTF16 converter;
1521#if wxUSE_UNICODE
1522 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
1523 ubuf = (UniChar*) malloc( unicharlen + 2 );
1524 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
1525#else
1526 const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1527 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1528 ubuf = (UniChar*) malloc( unicharlen + 2 );
1529 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1530#endif
1531 chars = unicharlen / 2;
1532#else
1533#if wxUSE_UNICODE
1534 ubuf = (UniChar*) str.wc_str();
1535#else
1536 wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1537 chars = wxWcslen( wchar.data() );
1538 ubuf = (UniChar*) wchar.data();
1539#endif
1540#endif
1541
1542 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1543 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1544 &chars , &style , &atsuLayout );
1545
1546 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1547
1548 status = ::ATSUSetTransientFontMatching( atsuLayout , true );
1549 wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
1550
1551 int iAngle = int( angle * RAD2DEG );
1552 if ( abs(iAngle) > 0 )
1553 {
1554 Fixed atsuAngle = IntToFixed( iAngle );
1555 ATSUAttributeTag atsuTags[] =
1556 {
1557 kATSULineRotationTag ,
1558 };
1559 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1560 {
1561 sizeof( Fixed ) ,
1562 };
1563 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1564 {
1565 &atsuAngle ,
1566 };
1567 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1568 atsuTags, atsuSizes, atsuValues );
1569 }
1570
1571 {
1572 ATSUAttributeTag atsuTags[] =
1573 {
1574 kATSUCGContextTag ,
1575 };
1576 ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1577 {
1578 sizeof( CGContextRef ) ,
1579 };
1580 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
1581 {
1582 &m_cgContext ,
1583 };
1584 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag),
1585 atsuTags, atsuSizes, atsuValues );
1586 }
1587
1588 ATSUTextMeasurement textBefore, textAfter;
1589 ATSUTextMeasurement ascent, descent;
1590
1591 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1592 &textBefore , &textAfter, &ascent , &descent );
1593
1594 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1595
1596 Rect rect;
1597/*
1598 // TODO
1599 if ( m_backgroundMode == wxSOLID )
1600 {
1601 wxGraphicsPath* path = m_graphicContext->CreatePath();
1602 path->MoveToPoint( drawX , drawY );
1603 path->AddLineToPoint(
1604 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent)) ,
1605 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent)) );
1606 path->AddLineToPoint(
1607 (int) (drawX + sin(angle / RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1608 (int) (drawY + cos(angle / RAD2DEG) * FixedToInt(ascent + descent) - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
1609 path->AddLineToPoint(
1610 (int) (drawX + cos(angle / RAD2DEG) * FixedToInt(textAfter)) ,
1611 (int) (drawY - sin(angle / RAD2DEG) * FixedToInt(textAfter)) );
1612
1613 m_graphicContext->FillPath( path , m_textBackgroundColour );
1614 delete path;
1615 }
1616*/
1617 x += (int)(sin(angle / RAD2DEG) * FixedToInt(ascent));
1618 y += (int)(cos(angle / RAD2DEG) * FixedToInt(ascent));
1619
1620 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1621 IntToFixed(x) , IntToFixed(y) , &rect );
1622 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1623
1624 CGContextSaveGState(m_cgContext);
1625 CGContextTranslateCTM(m_cgContext, x, y);
1626 CGContextScaleCTM(m_cgContext, 1, -1);
1627 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1628 IntToFixed(0) , IntToFixed(0) );
1629
1630 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1631
1632 CGContextRestoreGState(m_cgContext);
1633
1634 ::ATSUDisposeTextLayout(atsuLayout);
1635
1636#if SIZEOF_WCHAR_T == 4
1637 free( ubuf );
1638#endif
1639}
1640
1641void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
1642 wxDouble *descent, wxDouble *externalLeading ) const
1643{
1644 wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") );
1645
1646 OSStatus status = noErr;
1647
1648 ATSUTextLayout atsuLayout;
1649 UniCharCount chars = str.length();
1650 UniChar* ubuf = NULL;
1651
1652#if SIZEOF_WCHAR_T == 4
1653 wxMBConvUTF16 converter;
1654#if wxUSE_UNICODE
1655 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 );
1656 ubuf = (UniChar*) malloc( unicharlen + 2 );
1657 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 );
1658#else
1659 const wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1660 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1661 ubuf = (UniChar*) malloc( unicharlen + 2 );
1662 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1663#endif
1664 chars = unicharlen / 2;
1665#else
1666#if wxUSE_UNICODE
1667 ubuf = (UniChar*) str.wc_str();
1668#else
1669 wxWCharBuffer wchar = str.wc_str( wxConvLocal );
1670 chars = wxWcslen( wchar.data() );
1671 ubuf = (UniChar*) wchar.data();
1672#endif
1673#endif
1674
1675 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1676 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1677 &chars , &style , &atsuLayout );
1678
1679 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
1680
1681 ATSUTextMeasurement textBefore, textAfter;
1682 ATSUTextMeasurement textAscent, textDescent;
1683
1684 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1685 &textBefore , &textAfter, &textAscent , &textDescent );
1686
1687 if ( height )
1688 *height = FixedToInt(textAscent + textDescent);
1689 if ( descent )
1690 *descent = FixedToInt(textDescent);
1691 if ( externalLeading )
1692 *externalLeading = 0;
1693 if ( width )
1694 *width = FixedToInt(textAfter - textBefore);
1695
1696 ::ATSUDisposeTextLayout(atsuLayout);
1697}
1698
1699void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const
1700{
1701 widths.Empty();
1702 widths.Add(0, text.length());
1703
1704 if (text.empty())
1705 return;
1706
1707 ATSUTextLayout atsuLayout;
1708 UniCharCount chars = text.length();
1709 UniChar* ubuf = NULL;
1710
1711#if SIZEOF_WCHAR_T == 4
1712 wxMBConvUTF16 converter;
1713#if wxUSE_UNICODE
1714 size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 );
1715 ubuf = (UniChar*) malloc( unicharlen + 2 );
1716 converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 );
1717#else
1718 const wxWCharBuffer wchar = text.wc_str( wxConvLocal );
1719 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 );
1720 ubuf = (UniChar*) malloc( unicharlen + 2 );
1721 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 );
1722#endif
1723 chars = unicharlen / 2;
1724#else
1725#if wxUSE_UNICODE
1726 ubuf = (UniChar*) text.wc_str();
1727#else
1728 wxWCharBuffer wchar = text.wc_str( wxConvLocal );
1729 chars = wxWcslen( wchar.data() );
1730 ubuf = (UniChar*) wchar.data();
1731#endif
1732#endif
1733
1734 ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle());
1735 ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1736 &chars , &style , &atsuLayout );
1737
1738 for ( int pos = 0; pos < (int)chars; pos ++ )
1739 {
1740 unsigned long actualNumberOfBounds = 0;
1741 ATSTrapezoid glyphBounds;
1742
1743 // We get a single bound, since the text should only require one. If it requires more, there is an issue
1744 OSStatus result;
1745 result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1,
1746 kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
1747 if (result != noErr || actualNumberOfBounds != 1 )
1748 return;
1749
1750 widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x );
1751 //unsigned char uch = s[i];
1752 }
1753
1754 ::ATSUDisposeTextLayout(atsuLayout);
1755}
1756
1757void * wxMacCoreGraphicsContext::GetNativeContext()
1758{
1759 return m_cgContext;
1760}
1761
1762// concatenates this transform with the current transform of this context
1763void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix )
1764{
1765 if ( m_cgContext )
1766 CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix());
1767 else
1768 m_windowTransform = CGAffineTransformConcat(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix());
1769}
1770
1771// sets the transform of this context
1772void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix )
1773{
1774 if ( m_cgContext )
1775 {
1776 CGAffineTransform transform = CGContextGetCTM( m_cgContext );
1777 transform = CGAffineTransformInvert( transform ) ;
1778 CGContextConcatCTM( m_cgContext, transform);
1779 CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix());
1780 }
1781 else
1782 {
1783 m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix();
1784 }
1785}
1786
1787// gets the matrix of this context
1788wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const
1789{
1790 wxGraphicsMatrix m = CreateMatrix();
1791 *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform :
1792 CGContextGetCTM( m_cgContext ));
1793 return m;
1794}
1795
1796//
1797// Renderer
1798//
1799
1800//-----------------------------------------------------------------------------
1801// wxMacCoreGraphicsRenderer declaration
1802//-----------------------------------------------------------------------------
1803
1804class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer
1805{
1806public :
1807 wxMacCoreGraphicsRenderer() {}
1808
1809 virtual ~wxMacCoreGraphicsRenderer() {}
1810
1811 // Context
1812
1813 virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc);
1814
1815 virtual wxGraphicsContext * CreateContextFromNativeContext( void * context );
1816
1817 virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window );
1818
1819 virtual wxGraphicsContext * CreateContext( wxWindow* window );
1820
1821 // Path
1822
1823 virtual wxGraphicsPath CreatePath();
1824
1825 // Matrix
1826
1827 virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
1828 wxDouble tx=0.0, wxDouble ty=0.0);
1829
1830
1831 virtual wxGraphicsPen CreatePen(const wxPen& pen) ;
1832
1833 virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ;
1834
1835 // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
1836 virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
1837 const wxColour&c1, const wxColour&c2) ;
1838
1839 // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
1840 // with radius r and color cColor
1841 virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
1842 const wxColour &oColor, const wxColour &cColor) ;
1843
1844 // sets the font
1845 virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ;
1846
1847private :
1848 DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer)
1849} ;
1850
1851//-----------------------------------------------------------------------------
1852// wxMacCoreGraphicsRenderer implementation
1853//-----------------------------------------------------------------------------
1854
1855IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer)
1856
1857static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer;
1858
1859wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer()
1860{
1861 return &gs_MacCoreGraphicsRenderer;
1862}
1863
1864wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc)
1865{
1866 return new wxMacCoreGraphicsContext(this,(CGContextRef)dc.GetWindow()->MacGetCGContextRef() );
1867}
1868
1869wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context )
1870{
1871 return new wxMacCoreGraphicsContext(this,(CGContextRef)context);
1872}
1873
1874
1875wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window )
1876{
1877 return new wxMacCoreGraphicsContext(this,(WindowRef)window);
1878}
1879
1880wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window )
1881{
1882 return new wxMacCoreGraphicsContext(this, window );
1883}
1884
1885// Path
1886
1887wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath()
1888{
1889 wxGraphicsPath m;
1890 m.SetRefData( new wxMacCoreGraphicsPathData(this));
1891 return m;
1892}
1893
1894
1895// Matrix
1896
1897wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d,
1898 wxDouble tx, wxDouble ty)
1899{
1900 wxGraphicsMatrix m;
1901 wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this );
1902 data->Set( a,b,c,d,tx,ty ) ;
1903 m.SetRefData(data);
1904 return m;
1905}
1906
1907wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen)
1908{
1909 if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT )
1910 return wxNullGraphicsPen;
1911 else
1912 {
1913 wxGraphicsPen p;
1914 p.SetRefData(new wxMacCoreGraphicsPenData( this, pen ));
1915 return p;
1916 }
1917}
1918
1919wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush )
1920{
1921 if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT )
1922 return wxNullGraphicsBrush;
1923 else
1924 {
1925 wxGraphicsBrush p;
1926 p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush ));
1927 return p;
1928 }
1929}
1930
1931// sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2
1932wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2,
1933 const wxColour&c1, const wxColour&c2)
1934{
1935 wxGraphicsBrush p;
1936 wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
1937 d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2);
1938 p.SetRefData(d);
1939 return p;
1940}
1941
1942// sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc)
1943// with radius r and color cColor
1944wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius,
1945 const wxColour &oColor, const wxColour &cColor)
1946{
1947 wxGraphicsBrush p;
1948 wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this );
1949 d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor);
1950 p.SetRefData(d);
1951 return p;
1952}
1953
1954// sets the font
1955wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col )
1956{
1957 if ( font.Ok() )
1958 {
1959 wxGraphicsFont p;
1960 p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col ));
1961 return p;
1962 }
1963 else
1964 return wxNullGraphicsFont;
1965}
1966
1967
1968
1969#endif // wxMAC_USE_CORE_GRAPHICS
wxWidgets (Impactor)