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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 | #include "wx/graphics.h" | |
15 | #include "wx/private/graphics.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/dcclient.h" | |
19 | #include "wx/dcmemory.h" | |
20 | #include "wx/log.h" | |
21 | #include "wx/region.h" | |
22 | #include "wx/image.h" | |
23 | #include "wx/icon.h" | |
24 | #endif | |
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 | #ifdef __WXMAC__ | |
36 | #include "wx/mac/uma.h" | |
37 | #else | |
38 | #include "CoreServices/CoreServices.h" | |
39 | #include "ApplicationServices/ApplicationServices.h" | |
40 | #include "wx/mac/corefoundation/cfstring.h" | |
41 | #include "wx/cocoa/dcclient.h" | |
42 | #endif | |
43 | ||
44 | #ifdef __WXCOCOA__ | |
45 | ||
46 | CGColorSpaceRef wxMacGetGenericRGBColorSpace() | |
47 | { | |
48 | static wxCFRef<CGColorSpaceRef> genericRGBColorSpace; | |
49 | ||
50 | if (genericRGBColorSpace == NULL) | |
51 | { | |
52 | genericRGBColorSpace.reset( CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB ) ); | |
53 | } | |
54 | ||
55 | return genericRGBColorSpace; | |
56 | } | |
57 | ||
58 | int UMAGetSystemVersion() | |
59 | { | |
60 | return 0x1050; | |
61 | } | |
62 | ||
63 | ||
64 | #define wxMAC_USE_CORE_TEXT 1 | |
65 | ||
66 | #endif | |
67 | ||
68 | //----------------------------------------------------------------------------- | |
69 | // constants | |
70 | //----------------------------------------------------------------------------- | |
71 | ||
72 | #if !defined( __DARWIN__ ) || defined(__MWERKS__) | |
73 | #ifndef M_PI | |
74 | const double M_PI = 3.14159265358979; | |
75 | #endif | |
76 | #endif | |
77 | ||
78 | static const double RAD2DEG = 180.0 / M_PI; | |
79 | ||
80 | // | |
81 | // Pen, Brushes and Fonts | |
82 | // | |
83 | ||
84 | #pragma mark - | |
85 | #pragma mark wxMacCoreGraphicsPattern, ImagePattern, HatchPattern classes | |
86 | ||
87 | OSStatus wxMacDrawCGImage( | |
88 | CGContextRef inContext, | |
89 | const CGRect * inBounds, | |
90 | CGImageRef inImage) | |
91 | { | |
92 | #if defined( __LP64__ ) || defined(__WXCOCOA__) | |
93 | // todo flip | |
94 | CGContextDrawImage(inContext, *inBounds, inImage ); | |
95 | return noErr; | |
96 | #else | |
97 | return HIViewDrawCGImage( inContext, inBounds, inImage ); | |
98 | #endif | |
99 | } | |
100 | ||
101 | CGColorRef wxMacCreateCGColor( const wxColour& col ) | |
102 | { | |
103 | CGColorRef retval = 0; | |
104 | #ifdef __WXMAC__ | |
105 | retval = col.CreateCGColor(); | |
106 | #else | |
107 | // TODO add conversion NSColor - CGColorRef (obj-c) | |
108 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 | |
109 | if ( CGColorCreateGenericRGB ) | |
110 | retval = CGColorCreateGenericRGB( col.Red() / 255.0 , col.Green() / 255.0, col.Blue() / 255.0, col.Alpha() / 255.0 ); | |
111 | else | |
112 | #endif | |
113 | { | |
114 | CGFloat components[4] = { col.Red() / 255.0, col.Green() / 255.0, col.Blue() / 255.0, col.Alpha() / 255.0 } ; | |
115 | retval = CGColorCreate( wxMacGetGenericRGBColorSpace() , components ) ; | |
116 | } | |
117 | ||
118 | #endif | |
119 | return retval; | |
120 | } | |
121 | ||
122 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 && defined(wxMAC_USE_CORE_TEXT) | |
123 | ||
124 | CTFontRef wxMacCreateCTFont( const wxFont& font ) | |
125 | { | |
126 | #ifdef __WXMAC__ | |
127 | return wxCFRetain((CTFontRef) font.MacGetCTFont()); | |
128 | #else | |
129 | return CTFontCreateWithName( wxCFStringRef( font.GetFaceName(), wxLocale::GetSystemEncoding() ) , font.GetPointSize() , NULL ); | |
130 | #endif | |
131 | } | |
132 | ||
133 | #endif | |
134 | ||
135 | // CGPattern wrapper class: always allocate on heap, never call destructor | |
136 | ||
137 | class wxMacCoreGraphicsPattern | |
138 | { | |
139 | public : | |
140 | wxMacCoreGraphicsPattern() {} | |
141 | ||
142 | // is guaranteed to be called only with a non-Null CGContextRef | |
143 | virtual void Render( CGContextRef ctxRef ) = 0; | |
144 | ||
145 | operator CGPatternRef() const { return m_patternRef; } | |
146 | ||
147 | protected : | |
148 | virtual ~wxMacCoreGraphicsPattern() | |
149 | { | |
150 | // as this is called only when the m_patternRef is been released; | |
151 | // don't release it again | |
152 | } | |
153 | ||
154 | static void _Render( void *info, CGContextRef ctxRef ) | |
155 | { | |
156 | wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; | |
157 | if ( self && ctxRef ) | |
158 | self->Render( ctxRef ); | |
159 | } | |
160 | ||
161 | static void _Dispose( void *info ) | |
162 | { | |
163 | wxMacCoreGraphicsPattern* self = (wxMacCoreGraphicsPattern*) info; | |
164 | delete self; | |
165 | } | |
166 | ||
167 | CGPatternRef m_patternRef; | |
168 | ||
169 | static const CGPatternCallbacks ms_Callbacks; | |
170 | }; | |
171 | ||
172 | const CGPatternCallbacks wxMacCoreGraphicsPattern::ms_Callbacks = { 0, &wxMacCoreGraphicsPattern::_Render, &wxMacCoreGraphicsPattern::_Dispose }; | |
173 | ||
174 | class ImagePattern : public wxMacCoreGraphicsPattern | |
175 | { | |
176 | public : | |
177 | ImagePattern( const wxBitmap* bmp , const CGAffineTransform& transform ) | |
178 | { | |
179 | wxASSERT( bmp && bmp->Ok() ); | |
180 | #ifdef __WXMAC__ | |
181 | Init( (CGImageRef) bmp->CreateCGImage() , transform ); | |
182 | #endif | |
183 | } | |
184 | ||
185 | // ImagePattern takes ownership of CGImageRef passed in | |
186 | ImagePattern( CGImageRef image , const CGAffineTransform& transform ) | |
187 | { | |
188 | if ( image ) | |
189 | CFRetain( image ); | |
190 | ||
191 | Init( image , transform ); | |
192 | } | |
193 | ||
194 | virtual void Render( CGContextRef ctxRef ) | |
195 | { | |
196 | if (m_image != NULL) | |
197 | wxMacDrawCGImage( ctxRef, &m_imageBounds, m_image ); | |
198 | } | |
199 | ||
200 | protected : | |
201 | void Init( CGImageRef image, const CGAffineTransform& transform ) | |
202 | { | |
203 | m_image = image; | |
204 | if ( m_image ) | |
205 | { | |
206 | m_imageBounds = CGRectMake( 0.0, 0.0, (CGFloat)CGImageGetWidth( m_image ), (CGFloat)CGImageGetHeight( m_image ) ); | |
207 | m_patternRef = CGPatternCreate( | |
208 | this , m_imageBounds, transform , | |
209 | m_imageBounds.size.width, m_imageBounds.size.height, | |
210 | kCGPatternTilingNoDistortion, true , &wxMacCoreGraphicsPattern::ms_Callbacks ); | |
211 | } | |
212 | } | |
213 | ||
214 | virtual ~ImagePattern() | |
215 | { | |
216 | if ( m_image ) | |
217 | CGImageRelease( m_image ); | |
218 | } | |
219 | ||
220 | CGImageRef m_image; | |
221 | CGRect m_imageBounds; | |
222 | }; | |
223 | ||
224 | class HatchPattern : public wxMacCoreGraphicsPattern | |
225 | { | |
226 | public : | |
227 | HatchPattern( int hatchstyle, const CGAffineTransform& transform ) | |
228 | { | |
229 | m_hatch = hatchstyle; | |
230 | m_imageBounds = CGRectMake( 0.0, 0.0, 8.0 , 8.0 ); | |
231 | m_patternRef = CGPatternCreate( | |
232 | this , m_imageBounds, transform , | |
233 | m_imageBounds.size.width, m_imageBounds.size.height, | |
234 | kCGPatternTilingNoDistortion, false , &wxMacCoreGraphicsPattern::ms_Callbacks ); | |
235 | } | |
236 | ||
237 | void StrokeLineSegments( CGContextRef ctxRef , const CGPoint pts[] , size_t count ) | |
238 | { | |
239 | CGContextStrokeLineSegments( ctxRef , pts , count ); | |
240 | } | |
241 | ||
242 | virtual void Render( CGContextRef ctxRef ) | |
243 | { | |
244 | switch ( m_hatch ) | |
245 | { | |
246 | case wxBDIAGONAL_HATCH : | |
247 | { | |
248 | CGPoint pts[] = | |
249 | { | |
250 | { 8.0 , 0.0 } , { 0.0 , 8.0 } | |
251 | }; | |
252 | StrokeLineSegments( ctxRef , pts , 2 ); | |
253 | } | |
254 | break; | |
255 | ||
256 | case wxCROSSDIAG_HATCH : | |
257 | { | |
258 | CGPoint pts[] = | |
259 | { | |
260 | { 0.0 , 0.0 } , { 8.0 , 8.0 } , | |
261 | { 8.0 , 0.0 } , { 0.0 , 8.0 } | |
262 | }; | |
263 | StrokeLineSegments( ctxRef , pts , 4 ); | |
264 | } | |
265 | break; | |
266 | ||
267 | case wxFDIAGONAL_HATCH : | |
268 | { | |
269 | CGPoint pts[] = | |
270 | { | |
271 | { 0.0 , 0.0 } , { 8.0 , 8.0 } | |
272 | }; | |
273 | StrokeLineSegments( ctxRef , pts , 2 ); | |
274 | } | |
275 | break; | |
276 | ||
277 | case wxCROSS_HATCH : | |
278 | { | |
279 | CGPoint pts[] = | |
280 | { | |
281 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , | |
282 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , | |
283 | }; | |
284 | StrokeLineSegments( ctxRef , pts , 4 ); | |
285 | } | |
286 | break; | |
287 | ||
288 | case wxHORIZONTAL_HATCH : | |
289 | { | |
290 | CGPoint pts[] = | |
291 | { | |
292 | { 0.0 , 4.0 } , { 8.0 , 4.0 } , | |
293 | }; | |
294 | StrokeLineSegments( ctxRef , pts , 2 ); | |
295 | } | |
296 | break; | |
297 | ||
298 | case wxVERTICAL_HATCH : | |
299 | { | |
300 | CGPoint pts[] = | |
301 | { | |
302 | { 4.0 , 0.0 } , { 4.0 , 8.0 } , | |
303 | }; | |
304 | StrokeLineSegments( ctxRef , pts , 2 ); | |
305 | } | |
306 | break; | |
307 | ||
308 | default: | |
309 | break; | |
310 | } | |
311 | } | |
312 | ||
313 | protected : | |
314 | virtual ~HatchPattern() {} | |
315 | ||
316 | CGRect m_imageBounds; | |
317 | int m_hatch; | |
318 | }; | |
319 | ||
320 | class wxMacCoreGraphicsPenData : public wxGraphicsObjectRefData | |
321 | { | |
322 | public: | |
323 | wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ); | |
324 | ~wxMacCoreGraphicsPenData(); | |
325 | ||
326 | void Init(); | |
327 | virtual void Apply( wxGraphicsContext* context ); | |
328 | virtual wxDouble GetWidth() { return m_width; } | |
329 | ||
330 | protected : | |
331 | CGLineCap m_cap; | |
332 | wxCFRef<CGColorRef> m_color; | |
333 | wxCFRef<CGColorSpaceRef> m_colorSpace; | |
334 | ||
335 | CGLineJoin m_join; | |
336 | CGFloat m_width; | |
337 | ||
338 | int m_count; | |
339 | const CGFloat *m_lengths; | |
340 | CGFloat *m_userLengths; | |
341 | ||
342 | ||
343 | bool m_isPattern; | |
344 | wxCFRef<CGPatternRef> m_pattern; | |
345 | CGFloat* m_patternColorComponents; | |
346 | }; | |
347 | ||
348 | wxMacCoreGraphicsPenData::wxMacCoreGraphicsPenData( wxGraphicsRenderer* renderer, const wxPen &pen ) : | |
349 | wxGraphicsObjectRefData( renderer ) | |
350 | { | |
351 | Init(); | |
352 | ||
353 | m_color.reset( wxMacCreateCGColor( pen.GetColour() ) ) ; | |
354 | ||
355 | // TODO: * m_dc->m_scaleX | |
356 | m_width = pen.GetWidth(); | |
357 | if (m_width <= 0.0) | |
358 | m_width = 0.1; | |
359 | ||
360 | switch ( pen.GetCap() ) | |
361 | { | |
362 | case wxCAP_ROUND : | |
363 | m_cap = kCGLineCapRound; | |
364 | break; | |
365 | ||
366 | case wxCAP_PROJECTING : | |
367 | m_cap = kCGLineCapSquare; | |
368 | break; | |
369 | ||
370 | case wxCAP_BUTT : | |
371 | m_cap = kCGLineCapButt; | |
372 | break; | |
373 | ||
374 | default : | |
375 | m_cap = kCGLineCapButt; | |
376 | break; | |
377 | } | |
378 | ||
379 | switch ( pen.GetJoin() ) | |
380 | { | |
381 | case wxJOIN_BEVEL : | |
382 | m_join = kCGLineJoinBevel; | |
383 | break; | |
384 | ||
385 | case wxJOIN_MITER : | |
386 | m_join = kCGLineJoinMiter; | |
387 | break; | |
388 | ||
389 | case wxJOIN_ROUND : | |
390 | m_join = kCGLineJoinRound; | |
391 | break; | |
392 | ||
393 | default : | |
394 | m_join = kCGLineJoinMiter; | |
395 | break; | |
396 | } | |
397 | ||
398 | const CGFloat dashUnit = m_width < 1.0 ? 1.0 : m_width; | |
399 | ||
400 | const CGFloat dotted[] = { dashUnit , dashUnit + 2.0 }; | |
401 | static const CGFloat short_dashed[] = { 9.0 , 6.0 }; | |
402 | static const CGFloat dashed[] = { 19.0 , 9.0 }; | |
403 | static const CGFloat dotted_dashed[] = { 9.0 , 6.0 , 3.0 , 3.0 }; | |
404 | ||
405 | switch ( pen.GetStyle() ) | |
406 | { | |
407 | case wxSOLID : | |
408 | break; | |
409 | ||
410 | case wxDOT : | |
411 | m_count = WXSIZEOF(dotted); | |
412 | m_userLengths = new CGFloat[ m_count ] ; | |
413 | memcpy( m_userLengths, dotted, sizeof(dotted) ); | |
414 | m_lengths = m_userLengths; | |
415 | break; | |
416 | ||
417 | case wxLONG_DASH : | |
418 | m_count = WXSIZEOF(dashed); | |
419 | m_lengths = dashed; | |
420 | break; | |
421 | ||
422 | case wxSHORT_DASH : | |
423 | m_count = WXSIZEOF(short_dashed); | |
424 | m_lengths = short_dashed; | |
425 | break; | |
426 | ||
427 | case wxDOT_DASH : | |
428 | m_count = WXSIZEOF(dotted_dashed); | |
429 | m_lengths = dotted_dashed; | |
430 | break; | |
431 | ||
432 | case wxUSER_DASH : | |
433 | wxDash *dashes; | |
434 | m_count = pen.GetDashes( &dashes ); | |
435 | if ((dashes != NULL) && (m_count > 0)) | |
436 | { | |
437 | m_userLengths = new CGFloat[m_count]; | |
438 | for ( int i = 0; i < m_count; ++i ) | |
439 | { | |
440 | m_userLengths[i] = dashes[i] * dashUnit; | |
441 | ||
442 | if ( i % 2 == 1 && m_userLengths[i] < dashUnit + 2.0 ) | |
443 | m_userLengths[i] = dashUnit + 2.0; | |
444 | else if ( i % 2 == 0 && m_userLengths[i] < dashUnit ) | |
445 | m_userLengths[i] = dashUnit; | |
446 | } | |
447 | } | |
448 | m_lengths = m_userLengths; | |
449 | break; | |
450 | ||
451 | case wxSTIPPLE : | |
452 | { | |
453 | wxBitmap* bmp = pen.GetStipple(); | |
454 | if ( bmp && bmp->Ok() ) | |
455 | { | |
456 | m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) ); | |
457 | m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); | |
458 | m_patternColorComponents = new CGFloat[1] ; | |
459 | m_patternColorComponents[0] = 1.0; | |
460 | m_isPattern = true; | |
461 | } | |
462 | } | |
463 | break; | |
464 | ||
465 | default : | |
466 | { | |
467 | m_isPattern = true; | |
468 | m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); | |
469 | m_pattern.reset( (CGPatternRef) *( new HatchPattern( pen.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); | |
470 | m_patternColorComponents = new CGFloat[4] ; | |
471 | m_patternColorComponents[0] = pen.GetColour().Red() / 255.0; | |
472 | m_patternColorComponents[1] = pen.GetColour().Green() / 255.0; | |
473 | m_patternColorComponents[2] = pen.GetColour().Blue() / 255.0; | |
474 | m_patternColorComponents[3] = pen.GetColour().Alpha() / 255.0; | |
475 | } | |
476 | break; | |
477 | } | |
478 | if ((m_lengths != NULL) && (m_count > 0)) | |
479 | { | |
480 | // force the line cap, otherwise we get artifacts (overlaps) and just solid lines | |
481 | m_cap = kCGLineCapButt; | |
482 | } | |
483 | } | |
484 | ||
485 | wxMacCoreGraphicsPenData::~wxMacCoreGraphicsPenData() | |
486 | { | |
487 | delete[] m_userLengths; | |
488 | delete[] m_patternColorComponents; | |
489 | } | |
490 | ||
491 | void wxMacCoreGraphicsPenData::Init() | |
492 | { | |
493 | m_lengths = NULL; | |
494 | m_userLengths = NULL; | |
495 | m_width = 0; | |
496 | m_count = 0; | |
497 | m_patternColorComponents = NULL; | |
498 | m_isPattern = false; | |
499 | } | |
500 | ||
501 | void wxMacCoreGraphicsPenData::Apply( wxGraphicsContext* context ) | |
502 | { | |
503 | CGContextRef cg = (CGContextRef) context->GetNativeContext(); | |
504 | CGContextSetLineWidth( cg , m_width ); | |
505 | CGContextSetLineJoin( cg , m_join ); | |
506 | ||
507 | CGContextSetLineDash( cg , 0 , m_lengths , m_count ); | |
508 | CGContextSetLineCap( cg , m_cap ); | |
509 | ||
510 | if ( m_isPattern ) | |
511 | { | |
512 | CGAffineTransform matrix = CGContextGetCTM( cg ); | |
513 | CGContextSetPatternPhase( cg, CGSizeMake(matrix.tx, matrix.ty) ); | |
514 | CGContextSetStrokeColorSpace( cg , m_colorSpace ); | |
515 | CGContextSetStrokePattern( cg, m_pattern , m_patternColorComponents ); | |
516 | } | |
517 | else | |
518 | { | |
519 | if ( context->GetLogicalFunction() == wxINVERT || context->GetLogicalFunction() == wxXOR ) | |
520 | { | |
521 | CGContextSetRGBStrokeColor( cg , 1.0, 1.0 , 1.0, 1.0 ); | |
522 | } | |
523 | else | |
524 | CGContextSetStrokeColorWithColor( cg , m_color ); | |
525 | } | |
526 | } | |
527 | ||
528 | // | |
529 | // Brush | |
530 | // | |
531 | ||
532 | static const char *gs_stripedback_xpm[] = { | |
533 | /* columns rows colors chars-per-pixel */ | |
534 | "4 4 2 1", | |
535 | ". c #F0F0F0", | |
536 | "X c #ECECEC", | |
537 | /* pixels */ | |
538 | "....", | |
539 | "....", | |
540 | "XXXX", | |
541 | "XXXX" | |
542 | }; | |
543 | ||
544 | wxBitmap gs_stripedback_bmp( wxImage( (const char* const* ) gs_stripedback_xpm ), -1 ) ; | |
545 | ||
546 | // make sure we all use one class for all conversions from wx to native colour | |
547 | ||
548 | class wxMacCoreGraphicsColour | |
549 | { | |
550 | public: | |
551 | wxMacCoreGraphicsColour(); | |
552 | wxMacCoreGraphicsColour(const wxBrush &brush); | |
553 | ~wxMacCoreGraphicsColour(); | |
554 | ||
555 | void Apply( CGContextRef cgContext ); | |
556 | protected: | |
557 | void Init(); | |
558 | wxCFRef<CGColorRef> m_color; | |
559 | wxCFRef<CGColorSpaceRef> m_colorSpace; | |
560 | ||
561 | bool m_isPattern; | |
562 | wxCFRef<CGPatternRef> m_pattern; | |
563 | CGFloat* m_patternColorComponents; | |
564 | } ; | |
565 | ||
566 | wxMacCoreGraphicsColour::~wxMacCoreGraphicsColour() | |
567 | { | |
568 | delete[] m_patternColorComponents; | |
569 | } | |
570 | ||
571 | void wxMacCoreGraphicsColour::Init() | |
572 | { | |
573 | m_isPattern = false; | |
574 | m_patternColorComponents = NULL; | |
575 | } | |
576 | ||
577 | void wxMacCoreGraphicsColour::Apply( CGContextRef cgContext ) | |
578 | { | |
579 | if ( m_isPattern ) | |
580 | { | |
581 | CGAffineTransform matrix = CGContextGetCTM( cgContext ); | |
582 | CGContextSetPatternPhase( cgContext, CGSizeMake(matrix.tx, matrix.ty) ); | |
583 | CGContextSetFillColorSpace( cgContext , m_colorSpace ); | |
584 | CGContextSetFillPattern( cgContext, m_pattern , m_patternColorComponents ); | |
585 | } | |
586 | else | |
587 | { | |
588 | CGContextSetFillColorWithColor( cgContext, m_color ); | |
589 | } | |
590 | } | |
591 | ||
592 | wxMacCoreGraphicsColour::wxMacCoreGraphicsColour() | |
593 | { | |
594 | Init(); | |
595 | } | |
596 | ||
597 | wxMacCoreGraphicsColour::wxMacCoreGraphicsColour( const wxBrush &brush ) | |
598 | { | |
599 | Init(); | |
600 | if ( brush.GetStyle() == wxSOLID ) | |
601 | { | |
602 | m_color.reset( wxMacCreateCGColor( brush.GetColour() )); | |
603 | } | |
604 | else if ( brush.IsHatch() ) | |
605 | { | |
606 | m_isPattern = true; | |
607 | m_colorSpace.reset( CGColorSpaceCreatePattern( wxMacGetGenericRGBColorSpace() ) ); | |
608 | m_pattern.reset( (CGPatternRef) *( new HatchPattern( brush.GetStyle() , CGAffineTransformMakeScale( 1,-1 ) ) ) ); | |
609 | ||
610 | m_patternColorComponents = new CGFloat[4] ; | |
611 | m_patternColorComponents[0] = brush.GetColour().Red() / 255.0; | |
612 | m_patternColorComponents[1] = brush.GetColour().Green() / 255.0; | |
613 | m_patternColorComponents[2] = brush.GetColour().Blue() / 255.0; | |
614 | m_patternColorComponents[3] = brush.GetColour().Alpha() / 255.0; | |
615 | } | |
616 | else | |
617 | { | |
618 | // now brush is a bitmap | |
619 | wxBitmap* bmp = brush.GetStipple(); | |
620 | if ( bmp && bmp->Ok() ) | |
621 | { | |
622 | m_isPattern = true; | |
623 | m_patternColorComponents = new CGFloat[1] ; | |
624 | m_patternColorComponents[0] = 1.0; | |
625 | m_colorSpace.reset( CGColorSpaceCreatePattern( NULL ) ); | |
626 | m_pattern.reset( (CGPatternRef) *( new ImagePattern( bmp , CGAffineTransformMakeScale( 1,-1 ) ) ) ); | |
627 | } | |
628 | } | |
629 | } | |
630 | ||
631 | class wxMacCoreGraphicsBrushData : public wxGraphicsObjectRefData | |
632 | { | |
633 | public: | |
634 | wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer ); | |
635 | wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer, const wxBrush &brush ); | |
636 | ~wxMacCoreGraphicsBrushData (); | |
637 | ||
638 | virtual void Apply( wxGraphicsContext* context ); | |
639 | void CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, | |
640 | const wxColour&c1, const wxColour&c2 ); | |
641 | void CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, | |
642 | const wxColour &oColor, const wxColour &cColor ); | |
643 | ||
644 | virtual bool IsShading() { return m_isShading; } | |
645 | CGShadingRef GetShading() { return m_shading; } | |
646 | protected: | |
647 | CGFunctionRef CreateGradientFunction( const wxColour& c1, const wxColour& c2 ); | |
648 | static void CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out); | |
649 | virtual void Init(); | |
650 | ||
651 | wxMacCoreGraphicsColour m_cgColor; | |
652 | ||
653 | bool m_isShading; | |
654 | CGFunctionRef m_gradientFunction; | |
655 | CGShadingRef m_shading; | |
656 | CGFloat *m_gradientComponents; | |
657 | }; | |
658 | ||
659 | wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData( wxGraphicsRenderer* renderer) : wxGraphicsObjectRefData( renderer ) | |
660 | { | |
661 | Init(); | |
662 | } | |
663 | ||
664 | void wxMacCoreGraphicsBrushData::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, | |
665 | const wxColour&c1, const wxColour&c2 ) | |
666 | { | |
667 | m_gradientFunction = CreateGradientFunction( c1, c2 ); | |
668 | m_shading = CGShadingCreateAxial( wxMacGetGenericRGBColorSpace(), CGPointMake(x1,y1), CGPointMake(x2,y2), m_gradientFunction, true, true ) ; | |
669 | m_isShading = true ; | |
670 | } | |
671 | ||
672 | void wxMacCoreGraphicsBrushData::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, | |
673 | const wxColour &oColor, const wxColour &cColor ) | |
674 | { | |
675 | m_gradientFunction = CreateGradientFunction( oColor, cColor ); | |
676 | m_shading = CGShadingCreateRadial( wxMacGetGenericRGBColorSpace(), CGPointMake(xo,yo), 0, CGPointMake(xc,yc), radius, m_gradientFunction, true, true ) ; | |
677 | m_isShading = true ; | |
678 | } | |
679 | ||
680 | wxMacCoreGraphicsBrushData::wxMacCoreGraphicsBrushData(wxGraphicsRenderer* renderer, const wxBrush &brush) : wxGraphicsObjectRefData( renderer ), | |
681 | m_cgColor( brush ) | |
682 | { | |
683 | Init(); | |
684 | ||
685 | } | |
686 | ||
687 | wxMacCoreGraphicsBrushData::~wxMacCoreGraphicsBrushData() | |
688 | { | |
689 | if ( m_shading ) | |
690 | CGShadingRelease(m_shading); | |
691 | ||
692 | if( m_gradientFunction ) | |
693 | CGFunctionRelease(m_gradientFunction); | |
694 | ||
695 | delete[] m_gradientComponents; | |
696 | } | |
697 | ||
698 | void wxMacCoreGraphicsBrushData::Init() | |
699 | { | |
700 | m_gradientFunction = NULL; | |
701 | m_shading = NULL; | |
702 | m_gradientComponents = NULL; | |
703 | m_isShading = false; | |
704 | } | |
705 | ||
706 | void wxMacCoreGraphicsBrushData::Apply( wxGraphicsContext* context ) | |
707 | { | |
708 | CGContextRef cg = (CGContextRef) context->GetNativeContext(); | |
709 | ||
710 | if ( m_isShading ) | |
711 | { | |
712 | // nothing to set as shades are processed by clipping using the path and filling | |
713 | } | |
714 | else | |
715 | { | |
716 | m_cgColor.Apply( cg ); | |
717 | } | |
718 | } | |
719 | ||
720 | void wxMacCoreGraphicsBrushData::CalculateShadingValues (void *info, const CGFloat *in, CGFloat *out) | |
721 | { | |
722 | CGFloat* colors = (CGFloat*) info ; | |
723 | CGFloat f = *in; | |
724 | for( int i = 0 ; i < 4 ; ++i ) | |
725 | { | |
726 | out[i] = colors[i] + ( colors[4+i] - colors[i] ) * f; | |
727 | } | |
728 | } | |
729 | ||
730 | CGFunctionRef wxMacCoreGraphicsBrushData::CreateGradientFunction( const wxColour& c1, const wxColour& c2 ) | |
731 | { | |
732 | static const CGFunctionCallbacks callbacks = { 0, &CalculateShadingValues, NULL }; | |
733 | static const CGFloat input_value_range [2] = { 0, 1 }; | |
734 | static const CGFloat output_value_ranges [8] = { 0, 1, 0, 1, 0, 1, 0, 1 }; | |
735 | m_gradientComponents = new CGFloat[8] ; | |
736 | m_gradientComponents[0] = c1.Red() / 255.0; | |
737 | m_gradientComponents[1] = c1.Green() / 255.0; | |
738 | m_gradientComponents[2] = c1.Blue() / 255.0; | |
739 | m_gradientComponents[3] = c1.Alpha() / 255.0; | |
740 | m_gradientComponents[4] = c2.Red() / 255.0; | |
741 | m_gradientComponents[5] = c2.Green() / 255.0; | |
742 | m_gradientComponents[6] = c2.Blue() / 255.0; | |
743 | m_gradientComponents[7] = c2.Alpha() / 255.0; | |
744 | ||
745 | return CGFunctionCreate ( m_gradientComponents, 1, | |
746 | input_value_range, | |
747 | 4, | |
748 | output_value_ranges, | |
749 | &callbacks); | |
750 | } | |
751 | ||
752 | // | |
753 | // Font | |
754 | // | |
755 | ||
756 | class wxMacCoreGraphicsFontData : public wxGraphicsObjectRefData | |
757 | { | |
758 | public: | |
759 | wxMacCoreGraphicsFontData( wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col ); | |
760 | ~wxMacCoreGraphicsFontData(); | |
761 | ||
762 | #if wxMAC_USE_ATSU_TEXT | |
763 | virtual ATSUStyle GetATSUStyle() { return m_macATSUIStyle; } | |
764 | #endif | |
765 | #if wxMAC_USE_CORE_TEXT | |
766 | CTFontRef GetCTFont() const { return m_ctFont ; } | |
767 | #endif | |
768 | wxColour GetColour() const { return m_colour ; } | |
769 | ||
770 | bool GetUnderlined() const { return m_underlined ; } | |
771 | private : | |
772 | wxColour m_colour; | |
773 | bool m_underlined; | |
774 | #if wxMAC_USE_ATSU_TEXT | |
775 | ATSUStyle m_macATSUIStyle; | |
776 | #endif | |
777 | #if wxMAC_USE_CORE_TEXT | |
778 | wxCFRef< CTFontRef > m_ctFont; | |
779 | #endif | |
780 | }; | |
781 | ||
782 | wxMacCoreGraphicsFontData::wxMacCoreGraphicsFontData(wxGraphicsRenderer* renderer, const wxFont &font, const wxColour& col) : wxGraphicsObjectRefData( renderer ) | |
783 | { | |
784 | m_colour = col; | |
785 | m_underlined = font.GetUnderlined(); | |
786 | ||
787 | #if wxMAC_USE_CORE_TEXT | |
788 | m_ctFont.reset( wxMacCreateCTFont( font ) ); | |
789 | #endif | |
790 | #if wxMAC_USE_ATSU_TEXT | |
791 | OSStatus status = noErr; | |
792 | m_macATSUIStyle = NULL; | |
793 | ||
794 | status = ATSUCreateAndCopyStyle( (ATSUStyle) font.MacGetATSUStyle() , &m_macATSUIStyle ); | |
795 | ||
796 | wxASSERT_MSG( status == noErr, wxT("couldn't create ATSU style") ); | |
797 | ||
798 | // we need the scale here ... | |
799 | ||
800 | Fixed atsuSize = IntToFixed( int( 1 * font.MacGetFontSize()) ); | |
801 | RGBColor atsuColor ; | |
802 | col.GetRGBColor( &atsuColor ); | |
803 | ATSUAttributeTag atsuTags[] = | |
804 | { | |
805 | kATSUSizeTag , | |
806 | kATSUColorTag , | |
807 | }; | |
808 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
809 | { | |
810 | sizeof( Fixed ) , | |
811 | sizeof( RGBColor ) , | |
812 | }; | |
813 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
814 | { | |
815 | &atsuSize , | |
816 | &atsuColor , | |
817 | }; | |
818 | ||
819 | status = ::ATSUSetAttributes( | |
820 | m_macATSUIStyle, sizeof(atsuTags) / sizeof(ATSUAttributeTag) , | |
821 | atsuTags, atsuSizes, atsuValues); | |
822 | ||
823 | wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ); | |
824 | #endif | |
825 | #if wxMAC_USE_CG_TEXT | |
826 | #endif | |
827 | } | |
828 | ||
829 | wxMacCoreGraphicsFontData::~wxMacCoreGraphicsFontData() | |
830 | { | |
831 | #if wxMAC_USE_CORE_TEXT | |
832 | #endif | |
833 | #if wxMAC_USE_ATSU_TEXT | |
834 | if ( m_macATSUIStyle ) | |
835 | { | |
836 | ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle); | |
837 | m_macATSUIStyle = NULL; | |
838 | } | |
839 | #endif | |
840 | #if wxMAC_USE_CG_TEXT | |
841 | #endif | |
842 | } | |
843 | ||
844 | class wxMacCoreGraphicsBitmapData : public wxGraphicsObjectRefData | |
845 | { | |
846 | public: | |
847 | wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap ); | |
848 | ~wxMacCoreGraphicsBitmapData(); | |
849 | ||
850 | virtual CGImageRef GetBitmap() { return m_bitmap; } | |
851 | private : | |
852 | CGImageRef m_bitmap; | |
853 | }; | |
854 | ||
855 | wxMacCoreGraphicsBitmapData::wxMacCoreGraphicsBitmapData( wxGraphicsRenderer* renderer, CGImageRef bitmap ) : wxGraphicsObjectRefData( renderer ) | |
856 | { | |
857 | m_bitmap = bitmap; | |
858 | } | |
859 | ||
860 | wxMacCoreGraphicsBitmapData::~wxMacCoreGraphicsBitmapData() | |
861 | { | |
862 | CGImageRelease( m_bitmap ); | |
863 | } | |
864 | ||
865 | // | |
866 | // Graphics Matrix | |
867 | // | |
868 | ||
869 | //----------------------------------------------------------------------------- | |
870 | // wxMacCoreGraphicsMatrix declaration | |
871 | //----------------------------------------------------------------------------- | |
872 | ||
873 | class WXDLLIMPEXP_CORE wxMacCoreGraphicsMatrixData : public wxGraphicsMatrixData | |
874 | { | |
875 | public : | |
876 | wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) ; | |
877 | ||
878 | virtual ~wxMacCoreGraphicsMatrixData() ; | |
879 | ||
880 | virtual wxGraphicsObjectRefData *Clone() const ; | |
881 | ||
882 | // concatenates the matrix | |
883 | virtual void Concat( const wxGraphicsMatrixData *t ); | |
884 | ||
885 | // sets the matrix to the respective values | |
886 | virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, | |
887 | wxDouble tx=0.0, wxDouble ty=0.0); | |
888 | ||
889 | // gets the component valuess of the matrix | |
890 | virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL, wxDouble* c=NULL, | |
891 | wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const; | |
892 | ||
893 | // makes this the inverse matrix | |
894 | virtual void Invert(); | |
895 | ||
896 | // returns true if the elements of the transformation matrix are equal ? | |
897 | virtual bool IsEqual( const wxGraphicsMatrixData* t) const ; | |
898 | ||
899 | // return true if this is the identity matrix | |
900 | virtual bool IsIdentity() const; | |
901 | ||
902 | // | |
903 | // transformation | |
904 | // | |
905 | ||
906 | // add the translation to this matrix | |
907 | virtual void Translate( wxDouble dx , wxDouble dy ); | |
908 | ||
909 | // add the scale to this matrix | |
910 | virtual void Scale( wxDouble xScale , wxDouble yScale ); | |
911 | ||
912 | // add the rotation to this matrix (radians) | |
913 | virtual void Rotate( wxDouble angle ); | |
914 | ||
915 | // | |
916 | // apply the transforms | |
917 | // | |
918 | ||
919 | // applies that matrix to the point | |
920 | virtual void TransformPoint( wxDouble *x, wxDouble *y ) const; | |
921 | ||
922 | // applies the matrix except for translations | |
923 | virtual void TransformDistance( wxDouble *dx, wxDouble *dy ) const; | |
924 | ||
925 | // returns the native representation | |
926 | virtual void * GetNativeMatrix() const; | |
927 | ||
928 | private : | |
929 | CGAffineTransform m_matrix; | |
930 | } ; | |
931 | ||
932 | //----------------------------------------------------------------------------- | |
933 | // wxMacCoreGraphicsMatrix implementation | |
934 | //----------------------------------------------------------------------------- | |
935 | ||
936 | wxMacCoreGraphicsMatrixData::wxMacCoreGraphicsMatrixData(wxGraphicsRenderer* renderer) : wxGraphicsMatrixData(renderer) | |
937 | { | |
938 | } | |
939 | ||
940 | wxMacCoreGraphicsMatrixData::~wxMacCoreGraphicsMatrixData() | |
941 | { | |
942 | } | |
943 | ||
944 | wxGraphicsObjectRefData *wxMacCoreGraphicsMatrixData::Clone() const | |
945 | { | |
946 | wxMacCoreGraphicsMatrixData* m = new wxMacCoreGraphicsMatrixData(GetRenderer()) ; | |
947 | m->m_matrix = m_matrix ; | |
948 | return m; | |
949 | } | |
950 | ||
951 | // concatenates the matrix | |
952 | void wxMacCoreGraphicsMatrixData::Concat( const wxGraphicsMatrixData *t ) | |
953 | { | |
954 | m_matrix = CGAffineTransformConcat(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix()) ); | |
955 | } | |
956 | ||
957 | // sets the matrix to the respective values | |
958 | void wxMacCoreGraphicsMatrixData::Set(wxDouble a, wxDouble b, wxDouble c, wxDouble d, | |
959 | wxDouble tx, wxDouble ty) | |
960 | { | |
961 | m_matrix = CGAffineTransformMake(a,b,c,d,tx,ty); | |
962 | } | |
963 | ||
964 | // gets the component valuess of the matrix | |
965 | void wxMacCoreGraphicsMatrixData::Get(wxDouble* a, wxDouble* b, wxDouble* c, | |
966 | wxDouble* d, wxDouble* tx, wxDouble* ty) const | |
967 | { | |
968 | if (a) *a = m_matrix.a; | |
969 | if (b) *b = m_matrix.b; | |
970 | if (c) *c = m_matrix.c; | |
971 | if (d) *d = m_matrix.d; | |
972 | if (tx) *tx= m_matrix.tx; | |
973 | if (ty) *ty= m_matrix.ty; | |
974 | } | |
975 | ||
976 | // makes this the inverse matrix | |
977 | void wxMacCoreGraphicsMatrixData::Invert() | |
978 | { | |
979 | m_matrix = CGAffineTransformInvert( m_matrix ); | |
980 | } | |
981 | ||
982 | // returns true if the elements of the transformation matrix are equal ? | |
983 | bool wxMacCoreGraphicsMatrixData::IsEqual( const wxGraphicsMatrixData* t) const | |
984 | { | |
985 | return CGAffineTransformEqualToTransform(m_matrix, *((CGAffineTransform*) t->GetNativeMatrix())); | |
986 | } | |
987 | ||
988 | // return true if this is the identity matrix | |
989 | bool wxMacCoreGraphicsMatrixData::IsIdentity() const | |
990 | { | |
991 | return ( m_matrix.a == 1 && m_matrix.d == 1 && | |
992 | m_matrix.b == 0 && m_matrix.d == 0 && m_matrix.tx == 0 && m_matrix.ty == 0); | |
993 | } | |
994 | ||
995 | // | |
996 | // transformation | |
997 | // | |
998 | ||
999 | // add the translation to this matrix | |
1000 | void wxMacCoreGraphicsMatrixData::Translate( wxDouble dx , wxDouble dy ) | |
1001 | { | |
1002 | m_matrix = CGAffineTransformTranslate( m_matrix, dx, dy); | |
1003 | } | |
1004 | ||
1005 | // add the scale to this matrix | |
1006 | void wxMacCoreGraphicsMatrixData::Scale( wxDouble xScale , wxDouble yScale ) | |
1007 | { | |
1008 | m_matrix = CGAffineTransformScale( m_matrix, xScale, yScale); | |
1009 | } | |
1010 | ||
1011 | // add the rotation to this matrix (radians) | |
1012 | void wxMacCoreGraphicsMatrixData::Rotate( wxDouble angle ) | |
1013 | { | |
1014 | m_matrix = CGAffineTransformRotate( m_matrix, angle); | |
1015 | } | |
1016 | ||
1017 | // | |
1018 | // apply the transforms | |
1019 | // | |
1020 | ||
1021 | // applies that matrix to the point | |
1022 | void wxMacCoreGraphicsMatrixData::TransformPoint( wxDouble *x, wxDouble *y ) const | |
1023 | { | |
1024 | CGPoint pt = CGPointApplyAffineTransform( CGPointMake(*x,*y), m_matrix); | |
1025 | ||
1026 | *x = pt.x; | |
1027 | *y = pt.y; | |
1028 | } | |
1029 | ||
1030 | // applies the matrix except for translations | |
1031 | void wxMacCoreGraphicsMatrixData::TransformDistance( wxDouble *dx, wxDouble *dy ) const | |
1032 | { | |
1033 | CGSize sz = CGSizeApplyAffineTransform( CGSizeMake(*dx,*dy) , m_matrix ); | |
1034 | *dx = sz.width; | |
1035 | *dy = sz.height; | |
1036 | } | |
1037 | ||
1038 | // returns the native representation | |
1039 | void * wxMacCoreGraphicsMatrixData::GetNativeMatrix() const | |
1040 | { | |
1041 | return (void*) &m_matrix; | |
1042 | } | |
1043 | ||
1044 | // | |
1045 | // Graphics Path | |
1046 | // | |
1047 | ||
1048 | //----------------------------------------------------------------------------- | |
1049 | // wxMacCoreGraphicsPath declaration | |
1050 | //----------------------------------------------------------------------------- | |
1051 | ||
1052 | class WXDLLEXPORT wxMacCoreGraphicsPathData : public wxGraphicsPathData | |
1053 | { | |
1054 | public : | |
1055 | wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path = NULL); | |
1056 | ||
1057 | ~wxMacCoreGraphicsPathData(); | |
1058 | ||
1059 | virtual wxGraphicsObjectRefData *Clone() const; | |
1060 | ||
1061 | // begins a new subpath at (x,y) | |
1062 | virtual void MoveToPoint( wxDouble x, wxDouble y ); | |
1063 | ||
1064 | // adds a straight line from the current point to (x,y) | |
1065 | virtual void AddLineToPoint( wxDouble x, wxDouble y ); | |
1066 | ||
1067 | // adds a cubic Bezier curve from the current point, using two control points and an end point | |
1068 | virtual void AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ); | |
1069 | ||
1070 | // closes the current sub-path | |
1071 | virtual void CloseSubpath(); | |
1072 | ||
1073 | // gets the last point of the current path, (0,0) if not yet set | |
1074 | virtual void GetCurrentPoint( wxDouble* x, wxDouble* y) const; | |
1075 | ||
1076 | // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle | |
1077 | virtual void AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ); | |
1078 | ||
1079 | // | |
1080 | // These are convenience functions which - if not available natively will be assembled | |
1081 | // using the primitives from above | |
1082 | // | |
1083 | ||
1084 | // adds a quadratic Bezier curve from the current point, using a control point and an end point | |
1085 | virtual void AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y ); | |
1086 | ||
1087 | // appends a rectangle as a new closed subpath | |
1088 | virtual void AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); | |
1089 | ||
1090 | // appends an ellipsis as a new closed subpath fitting the passed rectangle | |
1091 | virtual void AddCircle( wxDouble x, wxDouble y, wxDouble r ); | |
1092 | ||
1093 | // 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) | |
1094 | virtual void AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ); | |
1095 | ||
1096 | // adds another path | |
1097 | virtual void AddPath( const wxGraphicsPathData* path ); | |
1098 | ||
1099 | // returns the native path | |
1100 | virtual void * GetNativePath() const { return m_path; } | |
1101 | ||
1102 | // give the native path returned by GetNativePath() back (there might be some deallocations necessary) | |
1103 | virtual void UnGetNativePath(void *WXUNUSED(p)) const {} | |
1104 | ||
1105 | // transforms each point of this path by the matrix | |
1106 | virtual void Transform( const wxGraphicsMatrixData* matrix ); | |
1107 | ||
1108 | // gets the bounding box enclosing all points (possibly including control points) | |
1109 | virtual void GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *y) const; | |
1110 | ||
1111 | virtual bool Contains( wxDouble x, wxDouble y, int fillStyle = wxODDEVEN_RULE) const; | |
1112 | private : | |
1113 | CGMutablePathRef m_path; | |
1114 | }; | |
1115 | ||
1116 | //----------------------------------------------------------------------------- | |
1117 | // wxMacCoreGraphicsPath implementation | |
1118 | //----------------------------------------------------------------------------- | |
1119 | ||
1120 | wxMacCoreGraphicsPathData::wxMacCoreGraphicsPathData( wxGraphicsRenderer* renderer, CGMutablePathRef path) : wxGraphicsPathData(renderer) | |
1121 | { | |
1122 | if ( path ) | |
1123 | m_path = path; | |
1124 | else | |
1125 | m_path = CGPathCreateMutable(); | |
1126 | } | |
1127 | ||
1128 | wxMacCoreGraphicsPathData::~wxMacCoreGraphicsPathData() | |
1129 | { | |
1130 | CGPathRelease( m_path ); | |
1131 | } | |
1132 | ||
1133 | wxGraphicsObjectRefData* wxMacCoreGraphicsPathData::Clone() const | |
1134 | { | |
1135 | wxMacCoreGraphicsPathData* clone = new wxMacCoreGraphicsPathData(GetRenderer(),CGPathCreateMutableCopy(m_path)); | |
1136 | return clone ; | |
1137 | } | |
1138 | ||
1139 | ||
1140 | // opens (starts) a new subpath | |
1141 | void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 ) | |
1142 | { | |
1143 | CGPathMoveToPoint( m_path , NULL , x1 , y1 ); | |
1144 | } | |
1145 | ||
1146 | void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 ) | |
1147 | { | |
1148 | CGPathAddLineToPoint( m_path , NULL , x1 , y1 ); | |
1149 | } | |
1150 | ||
1151 | void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) | |
1152 | { | |
1153 | CGPathAddCurveToPoint( m_path , NULL , cx1 , cy1 , cx2, cy2, x , y ); | |
1154 | } | |
1155 | ||
1156 | void wxMacCoreGraphicsPathData::AddQuadCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble x, wxDouble y ) | |
1157 | { | |
1158 | CGPathAddQuadCurveToPoint( m_path , NULL , cx1 , cy1 , x , y ); | |
1159 | } | |
1160 | ||
1161 | void wxMacCoreGraphicsPathData::AddRectangle( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
1162 | { | |
1163 | CGRect cgRect = { { x , y } , { w , h } }; | |
1164 | CGPathAddRect( m_path , NULL , cgRect ); | |
1165 | } | |
1166 | ||
1167 | void wxMacCoreGraphicsPathData::AddCircle( wxDouble x, wxDouble y , wxDouble r ) | |
1168 | { | |
1169 | CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ); | |
1170 | } | |
1171 | ||
1172 | // adds an arc of a circle centering at (x,y) with radius (r) from startAngle to endAngle | |
1173 | void wxMacCoreGraphicsPathData::AddArc( wxDouble x, wxDouble y, wxDouble r, wxDouble startAngle, wxDouble endAngle, bool clockwise ) | |
1174 | { | |
1175 | // inverse direction as we the 'normal' state is a y axis pointing down, ie mirrored to the standard core graphics setup | |
1176 | CGPathAddArc( m_path, NULL , x, y, r, startAngle, endAngle, !clockwise); | |
1177 | } | |
1178 | ||
1179 | void wxMacCoreGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r ) | |
1180 | { | |
1181 | CGPathAddArcToPoint( m_path, NULL , x1, y1, x2, y2, r); | |
1182 | } | |
1183 | ||
1184 | void wxMacCoreGraphicsPathData::AddPath( const wxGraphicsPathData* path ) | |
1185 | { | |
1186 | CGPathAddPath( m_path , NULL, (CGPathRef) path->GetNativePath() ); | |
1187 | } | |
1188 | ||
1189 | // closes the current subpath | |
1190 | void wxMacCoreGraphicsPathData::CloseSubpath() | |
1191 | { | |
1192 | CGPathCloseSubpath( m_path ); | |
1193 | } | |
1194 | ||
1195 | // gets the last point of the current path, (0,0) if not yet set | |
1196 | void wxMacCoreGraphicsPathData::GetCurrentPoint( wxDouble* x, wxDouble* y) const | |
1197 | { | |
1198 | CGPoint p = CGPathGetCurrentPoint( m_path ); | |
1199 | *x = p.x; | |
1200 | *y = p.y; | |
1201 | } | |
1202 | ||
1203 | // transforms each point of this path by the matrix | |
1204 | void wxMacCoreGraphicsPathData::Transform( const wxGraphicsMatrixData* matrix ) | |
1205 | { | |
1206 | CGMutablePathRef p = CGPathCreateMutable() ; | |
1207 | CGPathAddPath( p, (CGAffineTransform*) matrix->GetNativeMatrix() , m_path ); | |
1208 | CGPathRelease( m_path ); | |
1209 | m_path = p; | |
1210 | } | |
1211 | ||
1212 | // gets the bounding box enclosing all points (possibly including control points) | |
1213 | void wxMacCoreGraphicsPathData::GetBox(wxDouble *x, wxDouble *y, wxDouble *w, wxDouble *h) const | |
1214 | { | |
1215 | CGRect bounds = CGPathGetBoundingBox( m_path ) ; | |
1216 | *x = bounds.origin.x; | |
1217 | *y = bounds.origin.y; | |
1218 | *w = bounds.size.width; | |
1219 | *h = bounds.size.height; | |
1220 | } | |
1221 | ||
1222 | bool wxMacCoreGraphicsPathData::Contains( wxDouble x, wxDouble y, int fillStyle) const | |
1223 | { | |
1224 | return CGPathContainsPoint( m_path, NULL, CGPointMake(x,y), fillStyle == wxODDEVEN_RULE ); | |
1225 | } | |
1226 | ||
1227 | // | |
1228 | // Graphics Context | |
1229 | // | |
1230 | ||
1231 | //----------------------------------------------------------------------------- | |
1232 | // wxMacCoreGraphicsContext declaration | |
1233 | //----------------------------------------------------------------------------- | |
1234 | ||
1235 | class WXDLLEXPORT wxMacCoreGraphicsContext : public wxGraphicsContext | |
1236 | { | |
1237 | public: | |
1238 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width = 0, wxDouble height = 0 ); | |
1239 | ||
1240 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ); | |
1241 | ||
1242 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ); | |
1243 | ||
1244 | wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer); | |
1245 | ||
1246 | wxMacCoreGraphicsContext(); | |
1247 | ||
1248 | ~wxMacCoreGraphicsContext(); | |
1249 | ||
1250 | void Init(); | |
1251 | ||
1252 | // returns the size of the graphics context in device coordinates | |
1253 | virtual void GetSize( wxDouble* width, wxDouble* height); | |
1254 | ||
1255 | virtual void StartPage( wxDouble width, wxDouble height ); | |
1256 | ||
1257 | virtual void EndPage(); | |
1258 | ||
1259 | virtual void Flush(); | |
1260 | ||
1261 | // push the current state of the context, ie the transformation matrix on a stack | |
1262 | virtual void PushState(); | |
1263 | ||
1264 | // pops a stored state from the stack | |
1265 | virtual void PopState(); | |
1266 | ||
1267 | // clips drawings to the region | |
1268 | virtual void Clip( const wxRegion ®ion ); | |
1269 | ||
1270 | // clips drawings to the rect | |
1271 | virtual void Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ); | |
1272 | ||
1273 | // resets the clipping to original extent | |
1274 | virtual void ResetClip(); | |
1275 | ||
1276 | virtual void * GetNativeContext(); | |
1277 | ||
1278 | bool SetLogicalFunction( int function ); | |
1279 | // | |
1280 | // transformation | |
1281 | // | |
1282 | ||
1283 | // translate | |
1284 | virtual void Translate( wxDouble dx , wxDouble dy ); | |
1285 | ||
1286 | // scale | |
1287 | virtual void Scale( wxDouble xScale , wxDouble yScale ); | |
1288 | ||
1289 | // rotate (radians) | |
1290 | virtual void Rotate( wxDouble angle ); | |
1291 | ||
1292 | // concatenates this transform with the current transform of this context | |
1293 | virtual void ConcatTransform( const wxGraphicsMatrix& matrix ); | |
1294 | ||
1295 | // sets the transform of this context | |
1296 | virtual void SetTransform( const wxGraphicsMatrix& matrix ); | |
1297 | ||
1298 | // gets the matrix of this context | |
1299 | virtual wxGraphicsMatrix GetTransform() const; | |
1300 | // | |
1301 | // setting the paint | |
1302 | // | |
1303 | ||
1304 | // strokes along a path with the current pen | |
1305 | virtual void StrokePath( const wxGraphicsPath &path ); | |
1306 | ||
1307 | // fills a path with the current brush | |
1308 | virtual void FillPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); | |
1309 | ||
1310 | // draws a path by first filling and then stroking | |
1311 | virtual void DrawPath( const wxGraphicsPath &path, int fillStyle = wxODDEVEN_RULE ); | |
1312 | ||
1313 | virtual bool ShouldOffset() const | |
1314 | { | |
1315 | int penwidth = 0 ; | |
1316 | if ( !m_pen.IsNull() ) | |
1317 | { | |
1318 | penwidth = (int)((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->GetWidth(); | |
1319 | if ( penwidth == 0 ) | |
1320 | penwidth = 1; | |
1321 | } | |
1322 | return ( penwidth % 2 ) == 1; | |
1323 | } | |
1324 | // | |
1325 | // text | |
1326 | // | |
1327 | ||
1328 | virtual void DrawText( const wxString &str, wxDouble x, wxDouble y ); | |
1329 | ||
1330 | virtual void DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ); | |
1331 | ||
1332 | virtual void GetTextExtent( const wxString &text, wxDouble *width, wxDouble *height, | |
1333 | wxDouble *descent, wxDouble *externalLeading ) const; | |
1334 | ||
1335 | virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const; | |
1336 | ||
1337 | // | |
1338 | // image support | |
1339 | // | |
1340 | ||
1341 | virtual void DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); | |
1342 | ||
1343 | virtual void DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); | |
1344 | ||
1345 | virtual void DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ); | |
1346 | ||
1347 | void SetNativeContext( CGContextRef cg ); | |
1348 | ||
1349 | DECLARE_NO_COPY_CLASS(wxMacCoreGraphicsContext) | |
1350 | DECLARE_DYNAMIC_CLASS(wxMacCoreGraphicsContext) | |
1351 | ||
1352 | private: | |
1353 | void EnsureIsValid(); | |
1354 | ||
1355 | CGContextRef m_cgContext; | |
1356 | WindowRef m_windowRef; | |
1357 | bool m_releaseContext; | |
1358 | CGAffineTransform m_windowTransform; | |
1359 | wxDouble m_width; | |
1360 | wxDouble m_height; | |
1361 | ||
1362 | wxCFRef<HIShapeRef> m_clipRgn; | |
1363 | }; | |
1364 | ||
1365 | //----------------------------------------------------------------------------- | |
1366 | // device context implementation | |
1367 | // | |
1368 | // more and more of the dc functionality should be implemented by calling | |
1369 | // the appropricate wxMacCoreGraphicsContext, but we will have to do that step by step | |
1370 | // also coordinate conversions should be moved to native matrix ops | |
1371 | //----------------------------------------------------------------------------- | |
1372 | ||
1373 | // we always stock two context states, one at entry, to be able to preserve the | |
1374 | // state we were called with, the other one after changing to HI Graphics orientation | |
1375 | // (this one is used for getting back clippings etc) | |
1376 | ||
1377 | //----------------------------------------------------------------------------- | |
1378 | // wxMacCoreGraphicsContext implementation | |
1379 | //----------------------------------------------------------------------------- | |
1380 | ||
1381 | IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsContext, wxGraphicsContext) | |
1382 | ||
1383 | class wxQuartzOffsetHelper | |
1384 | { | |
1385 | public : | |
1386 | wxQuartzOffsetHelper( CGContextRef cg , bool offset ) | |
1387 | { | |
1388 | m_cg = cg; | |
1389 | m_offset = offset; | |
1390 | if ( m_offset ) | |
1391 | CGContextTranslateCTM( m_cg, 0.5, 0.5 ); | |
1392 | } | |
1393 | ~wxQuartzOffsetHelper( ) | |
1394 | { | |
1395 | if ( m_offset ) | |
1396 | CGContextTranslateCTM( m_cg, -0.5, -0.5 ); | |
1397 | } | |
1398 | public : | |
1399 | CGContextRef m_cg; | |
1400 | bool m_offset; | |
1401 | } ; | |
1402 | ||
1403 | void wxMacCoreGraphicsContext::Init() | |
1404 | { | |
1405 | m_cgContext = NULL; | |
1406 | m_releaseContext = false; | |
1407 | m_windowRef = NULL; | |
1408 | m_width = 0; | |
1409 | m_height = 0; | |
1410 | CGRect r = CGRectMake(0,0,0,0); | |
1411 | m_clipRgn.reset(HIShapeCreateWithRect(&r)); | |
1412 | } | |
1413 | ||
1414 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, CGContextRef cgcontext, wxDouble width, wxDouble height ) : wxGraphicsContext(renderer) | |
1415 | { | |
1416 | Init(); | |
1417 | SetNativeContext(cgcontext); | |
1418 | m_width = width; | |
1419 | m_height = height; | |
1420 | } | |
1421 | ||
1422 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, WindowRef window ): wxGraphicsContext(renderer) | |
1423 | { | |
1424 | Init(); | |
1425 | m_windowRef = window; | |
1426 | } | |
1427 | ||
1428 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer, wxWindow* window ): wxGraphicsContext(renderer) | |
1429 | { | |
1430 | Init(); | |
1431 | ||
1432 | int originX , originY; | |
1433 | originX = originY = 0; | |
1434 | ||
1435 | Rect bounds = { 0,0,0,0 }; | |
1436 | #if defined( __LP64__ ) || defined(__WXCOCOA__) | |
1437 | #else | |
1438 | m_windowRef = (WindowRef) window->MacGetTopLevelWindowRef(); | |
1439 | window->MacWindowToRootWindow( &originX , &originY ); | |
1440 | GetWindowBounds( m_windowRef, kWindowContentRgn, &bounds ); | |
1441 | #endif | |
1442 | m_windowTransform = CGAffineTransformMakeTranslation( 0 , bounds.bottom - bounds.top ); | |
1443 | m_windowTransform = CGAffineTransformScale( m_windowTransform , 1 , -1 ); | |
1444 | m_windowTransform = CGAffineTransformTranslate( m_windowTransform, originX, originY ) ; | |
1445 | } | |
1446 | ||
1447 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext(wxGraphicsRenderer* renderer) : wxGraphicsContext(renderer) | |
1448 | { | |
1449 | Init(); | |
1450 | } | |
1451 | ||
1452 | wxMacCoreGraphicsContext::wxMacCoreGraphicsContext() : wxGraphicsContext(NULL) | |
1453 | { | |
1454 | Init(); | |
1455 | wxLogDebug(wxT("Illegal Constructor called")); | |
1456 | } | |
1457 | ||
1458 | wxMacCoreGraphicsContext::~wxMacCoreGraphicsContext() | |
1459 | { | |
1460 | SetNativeContext(NULL); | |
1461 | } | |
1462 | ||
1463 | void wxMacCoreGraphicsContext::GetSize( wxDouble* width, wxDouble* height) | |
1464 | { | |
1465 | *width = m_width; | |
1466 | *height = m_height; | |
1467 | } | |
1468 | ||
1469 | ||
1470 | void wxMacCoreGraphicsContext::StartPage( wxDouble width, wxDouble height ) | |
1471 | { | |
1472 | CGRect r; | |
1473 | if ( width != 0 && height != 0) | |
1474 | r = CGRectMake( 0 , 0 , width , height ); | |
1475 | else | |
1476 | r = CGRectMake( 0 , 0 , m_width , m_height ); | |
1477 | ||
1478 | CGContextBeginPage(m_cgContext, &r ); | |
1479 | // CGContextTranslateCTM( m_cgContext , 0 , height == 0 ? m_height : height ); | |
1480 | // CGContextScaleCTM( m_cgContext , 1 , -1 ); | |
1481 | } | |
1482 | ||
1483 | void wxMacCoreGraphicsContext::EndPage() | |
1484 | { | |
1485 | CGContextEndPage(m_cgContext); | |
1486 | } | |
1487 | ||
1488 | void wxMacCoreGraphicsContext::Flush() | |
1489 | { | |
1490 | CGContextFlush(m_cgContext); | |
1491 | } | |
1492 | ||
1493 | void wxMacCoreGraphicsContext::EnsureIsValid() | |
1494 | { | |
1495 | if ( !m_cgContext ) | |
1496 | { | |
1497 | OSStatus status = | |
1498 | #if ! ( defined( __LP64__ ) || defined(__WXCOCOA__) ) | |
1499 | QDBeginCGContext( GetWindowPort( m_windowRef ) , &m_cgContext ); | |
1500 | #else | |
1501 | paramErr; | |
1502 | #endif | |
1503 | wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ); | |
1504 | ||
1505 | CGContextConcatCTM( m_cgContext, m_windowTransform ); | |
1506 | CGContextSaveGState( m_cgContext ); | |
1507 | m_releaseContext = true; | |
1508 | if ( !HIShapeIsEmpty(m_clipRgn) ) | |
1509 | { | |
1510 | // the clip region is in device coordinates, so we convert this again to user coordinates | |
1511 | wxCFRef<HIMutableShapeRef> hishape( HIShapeCreateMutableCopy( m_clipRgn ) ); | |
1512 | CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero,m_windowTransform); | |
1513 | HIShapeOffset( hishape, -transformedOrigin.x, -transformedOrigin.y ); | |
1514 | HIShapeReplacePathInCGContext( hishape, m_cgContext ); | |
1515 | CGContextClip( m_cgContext ); | |
1516 | } | |
1517 | CGContextSaveGState( m_cgContext ); | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | // TODO test whether the private CGContextSetCompositeOperation works under 10.3 (using NSCompositingModes) | |
1522 | ||
1523 | bool wxMacCoreGraphicsContext::SetLogicalFunction( int function ) | |
1524 | { | |
1525 | if (m_logicalFunction == function) | |
1526 | return true; | |
1527 | ||
1528 | EnsureIsValid(); | |
1529 | ||
1530 | bool retval = false; | |
1531 | bool shouldAntiAlias = true; | |
1532 | CGBlendMode mode = kCGBlendModeNormal; | |
1533 | ||
1534 | #if defined(__WXMAC__) && ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 ) | |
1535 | if ( UMAGetSystemVersion() >= 0x1050 ) | |
1536 | { | |
1537 | retval = true; | |
1538 | switch ( function ) | |
1539 | { | |
1540 | // TODO find best corresponding porter duff modes | |
1541 | case wxCOPY : | |
1542 | mode = kCGBlendModeCopy; | |
1543 | break; | |
1544 | case wxCLEAR : | |
1545 | mode = kCGBlendModeClear; | |
1546 | break; | |
1547 | case wxXOR : | |
1548 | mode = kCGBlendModeXOR; | |
1549 | shouldAntiAlias = false; | |
1550 | break; | |
1551 | default : | |
1552 | retval = false; | |
1553 | break; | |
1554 | } | |
1555 | } | |
1556 | else | |
1557 | #endif | |
1558 | { | |
1559 | if ( function == wxCOPY ) | |
1560 | { | |
1561 | retval = true; | |
1562 | } | |
1563 | else if ( function == wxINVERT || function == wxXOR ) | |
1564 | { | |
1565 | // change color to white | |
1566 | mode = kCGBlendModeExclusion; | |
1567 | shouldAntiAlias = false; | |
1568 | retval = true; | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | if (retval) | |
1573 | { | |
1574 | m_logicalFunction = function; | |
1575 | CGContextSetBlendMode( m_cgContext, mode ); | |
1576 | CGContextSetShouldAntialias(m_cgContext, shouldAntiAlias); | |
1577 | } | |
1578 | return retval ; | |
1579 | } | |
1580 | ||
1581 | void wxMacCoreGraphicsContext::Clip( const wxRegion ®ion ) | |
1582 | { | |
1583 | #ifdef __WXMAC__ | |
1584 | if( m_cgContext ) | |
1585 | { | |
1586 | HIShapeReplacePathInCGContext( region.GetWXHRGN() , m_cgContext ); | |
1587 | CGContextClip( m_cgContext ); | |
1588 | } | |
1589 | else | |
1590 | { | |
1591 | // this offsetting to device coords is not really correct, but since we cannot apply affine transforms | |
1592 | // to regions we try at least to have correct translations | |
1593 | HIMutableShapeRef mutableShape = HIShapeCreateMutableCopy( region.GetWXHRGN() ); | |
1594 | ||
1595 | CGPoint transformedOrigin = CGPointApplyAffineTransform( CGPointZero, m_windowTransform ); | |
1596 | HIShapeOffset( mutableShape, transformedOrigin.x, transformedOrigin.y ); | |
1597 | m_clipRgn.reset(mutableShape); | |
1598 | } | |
1599 | #endif | |
1600 | } | |
1601 | ||
1602 | // clips drawings to the rect | |
1603 | void wxMacCoreGraphicsContext::Clip( wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
1604 | { | |
1605 | CGRect r = CGRectMake( x , y , w , h ); | |
1606 | if ( m_cgContext ) | |
1607 | { | |
1608 | CGContextClipToRect( m_cgContext, r ); | |
1609 | } | |
1610 | else | |
1611 | { | |
1612 | // the clipping itself must be stored as device coordinates, otherwise | |
1613 | // we cannot apply it back correctly | |
1614 | r.origin= CGPointApplyAffineTransform( r.origin, m_windowTransform ); | |
1615 | m_clipRgn.reset(HIShapeCreateWithRect(&r)); | |
1616 | } | |
1617 | } | |
1618 | ||
1619 | // resets the clipping to original extent | |
1620 | void wxMacCoreGraphicsContext::ResetClip() | |
1621 | { | |
1622 | if ( m_cgContext ) | |
1623 | { | |
1624 | // there is no way for clearing the clip, we can only revert to the stored | |
1625 | // state, but then we have to make sure everything else is NOT restored | |
1626 | CGAffineTransform transform = CGContextGetCTM( m_cgContext ); | |
1627 | CGContextRestoreGState( m_cgContext ); | |
1628 | CGContextSaveGState( m_cgContext ); | |
1629 | CGAffineTransform transformNew = CGContextGetCTM( m_cgContext ); | |
1630 | transformNew = CGAffineTransformInvert( transformNew ) ; | |
1631 | CGContextConcatCTM( m_cgContext, transformNew); | |
1632 | CGContextConcatCTM( m_cgContext, transform); | |
1633 | } | |
1634 | else | |
1635 | { | |
1636 | CGRect r = CGRectMake(0,0,0,0); | |
1637 | m_clipRgn.reset(HIShapeCreateWithRect(&r)); | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | void wxMacCoreGraphicsContext::StrokePath( const wxGraphicsPath &path ) | |
1642 | { | |
1643 | if ( m_pen.IsNull() ) | |
1644 | return ; | |
1645 | ||
1646 | EnsureIsValid(); | |
1647 | ||
1648 | wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); | |
1649 | ||
1650 | ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); | |
1651 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); | |
1652 | CGContextStrokePath( m_cgContext ); | |
1653 | } | |
1654 | ||
1655 | void wxMacCoreGraphicsContext::DrawPath( const wxGraphicsPath &path , int fillStyle ) | |
1656 | { | |
1657 | if ( !m_brush.IsNull() && ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) | |
1658 | { | |
1659 | // when using shading, we cannot draw pen and brush at the same time | |
1660 | // revert to the base implementation of first filling and then stroking | |
1661 | wxGraphicsContext::DrawPath( path, fillStyle ); | |
1662 | return; | |
1663 | } | |
1664 | ||
1665 | CGPathDrawingMode mode = kCGPathFill ; | |
1666 | if ( m_brush.IsNull() ) | |
1667 | { | |
1668 | if ( m_pen.IsNull() ) | |
1669 | return; | |
1670 | else | |
1671 | mode = kCGPathStroke; | |
1672 | } | |
1673 | else | |
1674 | { | |
1675 | if ( m_pen.IsNull() ) | |
1676 | { | |
1677 | if ( fillStyle == wxODDEVEN_RULE ) | |
1678 | mode = kCGPathEOFill; | |
1679 | else | |
1680 | mode = kCGPathFill; | |
1681 | } | |
1682 | else | |
1683 | { | |
1684 | if ( fillStyle == wxODDEVEN_RULE ) | |
1685 | mode = kCGPathEOFillStroke; | |
1686 | else | |
1687 | mode = kCGPathFillStroke; | |
1688 | } | |
1689 | } | |
1690 | ||
1691 | EnsureIsValid(); | |
1692 | ||
1693 | if ( !m_brush.IsNull() ) | |
1694 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); | |
1695 | if ( !m_pen.IsNull() ) | |
1696 | ((wxMacCoreGraphicsPenData*)m_pen.GetRefData())->Apply(this); | |
1697 | ||
1698 | wxQuartzOffsetHelper helper( m_cgContext , ShouldOffset() ); | |
1699 | ||
1700 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); | |
1701 | CGContextDrawPath( m_cgContext , mode ); | |
1702 | } | |
1703 | ||
1704 | void wxMacCoreGraphicsContext::FillPath( const wxGraphicsPath &path , int fillStyle ) | |
1705 | { | |
1706 | if ( m_brush.IsNull() ) | |
1707 | return; | |
1708 | ||
1709 | EnsureIsValid(); | |
1710 | ||
1711 | if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) | |
1712 | { | |
1713 | CGContextSaveGState( m_cgContext ); | |
1714 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); | |
1715 | CGContextClip( m_cgContext ); | |
1716 | CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); | |
1717 | CGContextRestoreGState( m_cgContext); | |
1718 | } | |
1719 | else | |
1720 | { | |
1721 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); | |
1722 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); | |
1723 | if ( fillStyle == wxODDEVEN_RULE ) | |
1724 | CGContextEOFillPath( m_cgContext ); | |
1725 | else | |
1726 | CGContextFillPath( m_cgContext ); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | void wxMacCoreGraphicsContext::SetNativeContext( CGContextRef cg ) | |
1731 | { | |
1732 | // we allow either setting or clearing but not replacing | |
1733 | wxASSERT( m_cgContext == NULL || cg == NULL ); | |
1734 | ||
1735 | if ( m_cgContext ) | |
1736 | { | |
1737 | // TODO : when is this necessary - should we add a Flush() method ? CGContextSynchronize( m_cgContext ); | |
1738 | CGContextRestoreGState( m_cgContext ); | |
1739 | CGContextRestoreGState( m_cgContext ); | |
1740 | if ( m_releaseContext ) | |
1741 | { | |
1742 | #if ! ( defined( __LP64__ ) || defined(__WXCOCOA__) ) | |
1743 | QDEndCGContext( GetWindowPort( m_windowRef ) , &m_cgContext); | |
1744 | #endif | |
1745 | } | |
1746 | else | |
1747 | CGContextRelease(m_cgContext); | |
1748 | } | |
1749 | ||
1750 | ||
1751 | m_cgContext = cg; | |
1752 | ||
1753 | // FIXME: This check is needed because currently we need to use a DC/GraphicsContext | |
1754 | // in order to get font properties, like wxFont::GetPixelSize, but since we don't have | |
1755 | // a native window attached to use, I create a wxGraphicsContext with a NULL CGContextRef | |
1756 | // for this one operation. | |
1757 | ||
1758 | // When wxFont::GetPixelSize on Mac no longer needs a graphics context, this check | |
1759 | // can be removed. | |
1760 | if (m_cgContext) | |
1761 | { | |
1762 | CGContextRetain(m_cgContext); | |
1763 | CGContextSaveGState( m_cgContext ); | |
1764 | CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity ); | |
1765 | CGContextSaveGState( m_cgContext ); | |
1766 | m_releaseContext = false; | |
1767 | } | |
1768 | } | |
1769 | ||
1770 | void wxMacCoreGraphicsContext::Translate( wxDouble dx , wxDouble dy ) | |
1771 | { | |
1772 | if ( m_cgContext ) | |
1773 | CGContextTranslateCTM( m_cgContext, dx, dy ); | |
1774 | else | |
1775 | m_windowTransform = CGAffineTransformTranslate(m_windowTransform,dx,dy); | |
1776 | } | |
1777 | ||
1778 | void wxMacCoreGraphicsContext::Scale( wxDouble xScale , wxDouble yScale ) | |
1779 | { | |
1780 | if ( m_cgContext ) | |
1781 | CGContextScaleCTM( m_cgContext , xScale , yScale ); | |
1782 | else | |
1783 | m_windowTransform = CGAffineTransformScale(m_windowTransform,xScale,yScale); | |
1784 | } | |
1785 | ||
1786 | void wxMacCoreGraphicsContext::Rotate( wxDouble angle ) | |
1787 | { | |
1788 | if ( m_cgContext ) | |
1789 | CGContextRotateCTM( m_cgContext , angle ); | |
1790 | else | |
1791 | m_windowTransform = CGAffineTransformRotate(m_windowTransform,angle); | |
1792 | } | |
1793 | ||
1794 | void wxMacCoreGraphicsContext::DrawBitmap( const wxBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
1795 | { | |
1796 | wxGraphicsBitmap bitmap = GetRenderer()->CreateBitmap(bmp); | |
1797 | DrawBitmap(bitmap, x, y, w, h); | |
1798 | } | |
1799 | ||
1800 | void wxMacCoreGraphicsContext::DrawBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
1801 | { | |
1802 | EnsureIsValid(); | |
1803 | #ifdef __WXMAC__ | |
1804 | CGImageRef image = static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData())->GetBitmap(); | |
1805 | CGRect r = CGRectMake( x , y , w , h ); | |
1806 | // if ( bmp.GetDepth() == 1 ) | |
1807 | { | |
1808 | // is is a mask, the '1' in the mask tell where to draw the current brush | |
1809 | if ( !m_brush.IsNull() ) | |
1810 | { | |
1811 | if ( ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->IsShading() ) | |
1812 | { | |
1813 | // TODO clip to mask | |
1814 | /* | |
1815 | CGContextSaveGState( m_cgContext ); | |
1816 | CGContextAddPath( m_cgContext , (CGPathRef) path.GetNativePath() ); | |
1817 | CGContextClip( m_cgContext ); | |
1818 | CGContextDrawShading( m_cgContext, ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->GetShading() ); | |
1819 | CGContextRestoreGState( m_cgContext); | |
1820 | */ | |
1821 | } | |
1822 | else | |
1823 | { | |
1824 | ((wxMacCoreGraphicsBrushData*)m_brush.GetRefData())->Apply(this); | |
1825 | wxMacDrawCGImage( m_cgContext , &r , image ); | |
1826 | } | |
1827 | } | |
1828 | } | |
1829 | /* | |
1830 | else | |
1831 | { | |
1832 | wxMacDrawCGImage( m_cgContext , &r , image ); | |
1833 | } | |
1834 | CGImageRelease( image ); | |
1835 | */ | |
1836 | #endif | |
1837 | } | |
1838 | ||
1839 | void wxMacCoreGraphicsContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
1840 | { | |
1841 | EnsureIsValid(); | |
1842 | ||
1843 | CGRect r = CGRectMake( 00 , 00 , w , h ); | |
1844 | CGContextSaveGState( m_cgContext ); | |
1845 | CGContextTranslateCTM( m_cgContext, x , y + h ); | |
1846 | CGContextScaleCTM( m_cgContext, 1, -1 ); | |
1847 | #ifdef __WXMAC__ | |
1848 | PlotIconRefInContext( m_cgContext , &r , kAlignNone , kTransformNone , | |
1849 | NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ); | |
1850 | #endif | |
1851 | CGContextRestoreGState( m_cgContext ); | |
1852 | } | |
1853 | ||
1854 | void wxMacCoreGraphicsContext::PushState() | |
1855 | { | |
1856 | EnsureIsValid(); | |
1857 | ||
1858 | CGContextSaveGState( m_cgContext ); | |
1859 | } | |
1860 | ||
1861 | void wxMacCoreGraphicsContext::PopState() | |
1862 | { | |
1863 | EnsureIsValid(); | |
1864 | ||
1865 | CGContextRestoreGState( m_cgContext ); | |
1866 | } | |
1867 | ||
1868 | void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y ) | |
1869 | { | |
1870 | if ( m_font.IsNull() ) | |
1871 | return; | |
1872 | ||
1873 | EnsureIsValid(); | |
1874 | #if wxMAC_USE_CORE_TEXT | |
1875 | if ( UMAGetSystemVersion() >= 0x1050 ) | |
1876 | { | |
1877 | wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); | |
1878 | wxCFStringRef text(str, wxLocale::GetSystemEncoding() ); | |
1879 | CTFontRef font = fref->GetCTFont(); | |
1880 | CGColorRef col = wxMacCreateCGColor( fref->GetColour() ); | |
1881 | CTUnderlineStyle ustyle = fref->GetUnderlined() ? kCTUnderlineStyleSingle : kCTUnderlineStyleNone ; | |
1882 | wxCFRef<CFNumberRef> underlined( CFNumberCreate(NULL, kCFNumberSInt32Type, &ustyle) ); | |
1883 | CFStringRef keys[] = { kCTFontAttributeName , kCTForegroundColorAttributeName, kCTUnderlineStyleAttributeName }; | |
1884 | CFTypeRef values[] = { font, col, underlined }; | |
1885 | wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, | |
1886 | WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) ); | |
1887 | wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) ); | |
1888 | wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) ); | |
1889 | ||
1890 | y += CTFontGetAscent(font); | |
1891 | ||
1892 | CGContextSaveGState(m_cgContext); | |
1893 | CGContextTranslateCTM(m_cgContext, x, y); | |
1894 | CGContextScaleCTM(m_cgContext, 1, -1); | |
1895 | CGContextSetTextPosition(m_cgContext, 0, 0); | |
1896 | CTLineDraw( line, m_cgContext ); | |
1897 | CGContextRestoreGState(m_cgContext); | |
1898 | CFRelease( col ); | |
1899 | return; | |
1900 | } | |
1901 | #endif | |
1902 | #if wxMAC_USE_ATSU_TEXT | |
1903 | { | |
1904 | DrawText(str, x, y, 0.0); | |
1905 | return; | |
1906 | } | |
1907 | #endif | |
1908 | #if wxMAC_USE_CG_TEXT | |
1909 | // TODO core graphics text implementation here | |
1910 | #endif | |
1911 | } | |
1912 | ||
1913 | void wxMacCoreGraphicsContext::DrawText( const wxString &str, wxDouble x, wxDouble y, wxDouble angle ) | |
1914 | { | |
1915 | if ( m_font.IsNull() ) | |
1916 | return; | |
1917 | ||
1918 | EnsureIsValid(); | |
1919 | #if wxMAC_USE_CORE_TEXT | |
1920 | if ( UMAGetSystemVersion() >= 0x1050 ) | |
1921 | { | |
1922 | // default implementation takes care of rotation and calls non rotated DrawText afterwards | |
1923 | wxGraphicsContext::DrawText( str, x, y, angle ); | |
1924 | return; | |
1925 | } | |
1926 | #endif | |
1927 | #if wxMAC_USE_ATSU_TEXT | |
1928 | { | |
1929 | OSStatus status = noErr; | |
1930 | ATSUTextLayout atsuLayout; | |
1931 | wxMacUniCharBuffer unibuf( str ); | |
1932 | UniCharCount chars = unibuf.GetChars(); | |
1933 | ||
1934 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); | |
1935 | status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 , | |
1936 | &chars , &style , &atsuLayout ); | |
1937 | ||
1938 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") ); | |
1939 | ||
1940 | status = ::ATSUSetTransientFontMatching( atsuLayout , true ); | |
1941 | wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); | |
1942 | ||
1943 | int iAngle = int( angle * RAD2DEG ); | |
1944 | if ( abs(iAngle) > 0 ) | |
1945 | { | |
1946 | Fixed atsuAngle = IntToFixed( iAngle ); | |
1947 | ATSUAttributeTag atsuTags[] = | |
1948 | { | |
1949 | kATSULineRotationTag , | |
1950 | }; | |
1951 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
1952 | { | |
1953 | sizeof( Fixed ) , | |
1954 | }; | |
1955 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
1956 | { | |
1957 | &atsuAngle , | |
1958 | }; | |
1959 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), | |
1960 | atsuTags, atsuSizes, atsuValues ); | |
1961 | } | |
1962 | ||
1963 | { | |
1964 | ATSUAttributeTag atsuTags[] = | |
1965 | { | |
1966 | kATSUCGContextTag , | |
1967 | }; | |
1968 | ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
1969 | { | |
1970 | sizeof( CGContextRef ) , | |
1971 | }; | |
1972 | ATSUAttributeValuePtr atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] = | |
1973 | { | |
1974 | &m_cgContext , | |
1975 | }; | |
1976 | status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags) / sizeof(ATSUAttributeTag), | |
1977 | atsuTags, atsuSizes, atsuValues ); | |
1978 | } | |
1979 | ||
1980 | ATSUTextMeasurement textBefore, textAfter; | |
1981 | ATSUTextMeasurement ascent, descent; | |
1982 | ||
1983 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, | |
1984 | &textBefore , &textAfter, &ascent , &descent ); | |
1985 | ||
1986 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); | |
1987 | ||
1988 | Rect rect; | |
1989 | x += (int)(sin(angle) * FixedToInt(ascent)); | |
1990 | y += (int)(cos(angle) * FixedToInt(ascent)); | |
1991 | ||
1992 | status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, | |
1993 | IntToFixed(x) , IntToFixed(y) , &rect ); | |
1994 | wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") ); | |
1995 | ||
1996 | CGContextSaveGState(m_cgContext); | |
1997 | CGContextTranslateCTM(m_cgContext, x, y); | |
1998 | CGContextScaleCTM(m_cgContext, 1, -1); | |
1999 | status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, | |
2000 | IntToFixed(0) , IntToFixed(0) ); | |
2001 | ||
2002 | wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") ); | |
2003 | ||
2004 | CGContextRestoreGState(m_cgContext); | |
2005 | ||
2006 | ::ATSUDisposeTextLayout(atsuLayout); | |
2007 | ||
2008 | return; | |
2009 | } | |
2010 | #endif | |
2011 | #if wxMAC_USE_CG_TEXT | |
2012 | // default implementation takes care of rotation and calls non rotated DrawText afterwards | |
2013 | wxGraphicsContext::DrawText( str, x, y, angle ); | |
2014 | #endif | |
2015 | } | |
2016 | ||
2017 | void wxMacCoreGraphicsContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height, | |
2018 | wxDouble *descent, wxDouble *externalLeading ) const | |
2019 | { | |
2020 | wxCHECK_RET( !m_font.IsNull(), wxT("wxDC(cg)::DoGetTextExtent - no valid font set") ); | |
2021 | ||
2022 | if ( width ) | |
2023 | *width = 0; | |
2024 | if ( height ) | |
2025 | *height = 0; | |
2026 | if ( descent ) | |
2027 | *descent = 0; | |
2028 | if ( externalLeading ) | |
2029 | *externalLeading = 0; | |
2030 | ||
2031 | if (str.empty()) | |
2032 | return; | |
2033 | ||
2034 | #if wxMAC_USE_CORE_TEXT | |
2035 | if ( UMAGetSystemVersion() >= 0x1050 ) | |
2036 | { | |
2037 | wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); | |
2038 | CTFontRef font = fref->GetCTFont(); | |
2039 | ||
2040 | wxCFStringRef text(str, wxLocale::GetSystemEncoding() ); | |
2041 | CFStringRef keys[] = { kCTFontAttributeName }; | |
2042 | CFTypeRef values[] = { font }; | |
2043 | wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, | |
2044 | WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) ); | |
2045 | wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, text, attributes) ); | |
2046 | wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) ); | |
2047 | ||
2048 | CGFloat w, a, d, l; | |
2049 | ||
2050 | w = CTLineGetTypographicBounds(line, &a, &d, &l) ; | |
2051 | ||
2052 | if ( height ) | |
2053 | *height = a+d+l; | |
2054 | if ( descent ) | |
2055 | *descent = d; | |
2056 | if ( externalLeading ) | |
2057 | *externalLeading = l; | |
2058 | if ( width ) | |
2059 | *width = w; | |
2060 | return; | |
2061 | } | |
2062 | #endif | |
2063 | #if wxMAC_USE_ATSU_TEXT | |
2064 | { | |
2065 | OSStatus status = noErr; | |
2066 | ||
2067 | ATSUTextLayout atsuLayout; | |
2068 | wxMacUniCharBuffer unibuf( str ); | |
2069 | UniCharCount chars = unibuf.GetChars(); | |
2070 | ||
2071 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); | |
2072 | status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 , | |
2073 | &chars , &style , &atsuLayout ); | |
2074 | ||
2075 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); | |
2076 | ||
2077 | status = ::ATSUSetTransientFontMatching( atsuLayout , true ); | |
2078 | wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); | |
2079 | ||
2080 | ATSUTextMeasurement textBefore, textAfter; | |
2081 | ATSUTextMeasurement textAscent, textDescent; | |
2082 | ||
2083 | status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd, | |
2084 | &textBefore , &textAfter, &textAscent , &textDescent ); | |
2085 | ||
2086 | if ( height ) | |
2087 | *height = FixedToInt(textAscent + textDescent); | |
2088 | if ( descent ) | |
2089 | *descent = FixedToInt(textDescent); | |
2090 | if ( externalLeading ) | |
2091 | *externalLeading = 0; | |
2092 | if ( width ) | |
2093 | *width = FixedToInt(textAfter - textBefore); | |
2094 | ||
2095 | ::ATSUDisposeTextLayout(atsuLayout); | |
2096 | ||
2097 | return; | |
2098 | } | |
2099 | #endif | |
2100 | #if wxMAC_USE_CG_TEXT | |
2101 | // TODO core graphics text implementation here | |
2102 | #endif | |
2103 | } | |
2104 | ||
2105 | void wxMacCoreGraphicsContext::GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const | |
2106 | { | |
2107 | widths.Empty(); | |
2108 | widths.Add(0, text.length()); | |
2109 | ||
2110 | if (text.empty()) | |
2111 | return; | |
2112 | ||
2113 | #if wxMAC_USE_CORE_TEXT | |
2114 | { | |
2115 | wxMacCoreGraphicsFontData* fref = (wxMacCoreGraphicsFontData*)m_font.GetRefData(); | |
2116 | CTFontRef font = fref->GetCTFont(); | |
2117 | ||
2118 | wxCFStringRef t(text, wxLocale::GetSystemEncoding() ); | |
2119 | CFStringRef keys[] = { kCTFontAttributeName }; | |
2120 | CFTypeRef values[] = { font }; | |
2121 | wxCFRef<CFDictionaryRef> attributes( CFDictionaryCreate(kCFAllocatorDefault, (const void**) &keys, (const void**) &values, | |
2122 | WXSIZEOF( keys ), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks) ); | |
2123 | wxCFRef<CFAttributedStringRef> attrtext( CFAttributedStringCreate(kCFAllocatorDefault, t, attributes) ); | |
2124 | wxCFRef<CTLineRef> line( CTLineCreateWithAttributedString(attrtext) ); | |
2125 | ||
2126 | int chars = text.length(); | |
2127 | for ( int pos = 0; pos < (int)chars; pos ++ ) | |
2128 | { | |
2129 | widths[pos] = CTLineGetOffsetForStringIndex( line, pos+1 , NULL )+0.5; | |
2130 | } | |
2131 | ||
2132 | return; | |
2133 | } | |
2134 | #endif | |
2135 | #if wxMAC_USE_ATSU_TEXT | |
2136 | { | |
2137 | OSStatus status = noErr; | |
2138 | ATSUTextLayout atsuLayout; | |
2139 | wxMacUniCharBuffer unibuf( text ); | |
2140 | UniCharCount chars = unibuf.GetChars(); | |
2141 | ||
2142 | ATSUStyle style = (((wxMacCoreGraphicsFontData*)m_font.GetRefData())->GetATSUStyle()); | |
2143 | status = ::ATSUCreateTextLayoutWithTextPtr( unibuf.GetBuffer() , 0 , chars , chars , 1 , | |
2144 | &chars , &style , &atsuLayout ); | |
2145 | ||
2146 | wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") ); | |
2147 | ||
2148 | status = ::ATSUSetTransientFontMatching( atsuLayout , true ); | |
2149 | wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") ); | |
2150 | ||
2151 | for ( int pos = 0; pos < (int)chars; pos ++ ) | |
2152 | { | |
2153 | unsigned long actualNumberOfBounds = 0; | |
2154 | ATSTrapezoid glyphBounds; | |
2155 | ||
2156 | // We get a single bound, since the text should only require one. If it requires more, there is an issue | |
2157 | OSStatus result; | |
2158 | result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, | |
2159 | kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds ); | |
2160 | if (result != noErr || actualNumberOfBounds != 1 ) | |
2161 | return; | |
2162 | ||
2163 | widths[pos] = FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ); | |
2164 | //unsigned char uch = s[i]; | |
2165 | } | |
2166 | ||
2167 | ::ATSUDisposeTextLayout(atsuLayout); | |
2168 | } | |
2169 | #endif | |
2170 | #if wxMAC_USE_CG_TEXT | |
2171 | // TODO core graphics text implementation here | |
2172 | #endif | |
2173 | } | |
2174 | ||
2175 | void * wxMacCoreGraphicsContext::GetNativeContext() | |
2176 | { | |
2177 | return m_cgContext; | |
2178 | } | |
2179 | ||
2180 | // concatenates this transform with the current transform of this context | |
2181 | void wxMacCoreGraphicsContext::ConcatTransform( const wxGraphicsMatrix& matrix ) | |
2182 | { | |
2183 | if ( m_cgContext ) | |
2184 | CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); | |
2185 | else | |
2186 | m_windowTransform = CGAffineTransformConcat(m_windowTransform, *(CGAffineTransform*) matrix.GetNativeMatrix()); | |
2187 | } | |
2188 | ||
2189 | // sets the transform of this context | |
2190 | void wxMacCoreGraphicsContext::SetTransform( const wxGraphicsMatrix& matrix ) | |
2191 | { | |
2192 | if ( m_cgContext ) | |
2193 | { | |
2194 | CGAffineTransform transform = CGContextGetCTM( m_cgContext ); | |
2195 | transform = CGAffineTransformInvert( transform ) ; | |
2196 | CGContextConcatCTM( m_cgContext, transform); | |
2197 | CGContextConcatCTM( m_cgContext, *(CGAffineTransform*) matrix.GetNativeMatrix()); | |
2198 | } | |
2199 | else | |
2200 | { | |
2201 | m_windowTransform = *(CGAffineTransform*) matrix.GetNativeMatrix(); | |
2202 | } | |
2203 | } | |
2204 | ||
2205 | // gets the matrix of this context | |
2206 | wxGraphicsMatrix wxMacCoreGraphicsContext::GetTransform() const | |
2207 | { | |
2208 | wxGraphicsMatrix m = CreateMatrix(); | |
2209 | *((CGAffineTransform*) m.GetNativeMatrix()) = ( m_cgContext == NULL ? m_windowTransform : | |
2210 | CGContextGetCTM( m_cgContext )); | |
2211 | return m; | |
2212 | } | |
2213 | ||
2214 | // | |
2215 | // Renderer | |
2216 | // | |
2217 | ||
2218 | //----------------------------------------------------------------------------- | |
2219 | // wxMacCoreGraphicsRenderer declaration | |
2220 | //----------------------------------------------------------------------------- | |
2221 | ||
2222 | class WXDLLIMPEXP_CORE wxMacCoreGraphicsRenderer : public wxGraphicsRenderer | |
2223 | { | |
2224 | public : | |
2225 | wxMacCoreGraphicsRenderer() {} | |
2226 | ||
2227 | virtual ~wxMacCoreGraphicsRenderer() {} | |
2228 | ||
2229 | // Context | |
2230 | ||
2231 | virtual wxGraphicsContext * CreateContext( const wxWindowDC& dc); | |
2232 | virtual wxGraphicsContext * CreateContext( const wxMemoryDC& dc); | |
2233 | ||
2234 | virtual wxGraphicsContext * CreateContextFromNativeContext( void * context ); | |
2235 | ||
2236 | virtual wxGraphicsContext * CreateContextFromNativeWindow( void * window ); | |
2237 | ||
2238 | virtual wxGraphicsContext * CreateContext( wxWindow* window ); | |
2239 | ||
2240 | virtual wxGraphicsContext * CreateMeasuringContext(); | |
2241 | ||
2242 | // Path | |
2243 | ||
2244 | virtual wxGraphicsPath CreatePath(); | |
2245 | ||
2246 | // Matrix | |
2247 | ||
2248 | virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, | |
2249 | wxDouble tx=0.0, wxDouble ty=0.0); | |
2250 | ||
2251 | ||
2252 | virtual wxGraphicsPen CreatePen(const wxPen& pen) ; | |
2253 | ||
2254 | virtual wxGraphicsBrush CreateBrush(const wxBrush& brush ) ; | |
2255 | ||
2256 | // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 | |
2257 | virtual wxGraphicsBrush CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, | |
2258 | const wxColour&c1, const wxColour&c2) ; | |
2259 | ||
2260 | // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) | |
2261 | // with radius r and color cColor | |
2262 | virtual wxGraphicsBrush CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, | |
2263 | const wxColour &oColor, const wxColour &cColor) ; | |
2264 | ||
2265 | // sets the font | |
2266 | virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) ; | |
2267 | ||
2268 | // create a native bitmap representation | |
2269 | virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ; | |
2270 | ||
2271 | // create a native bitmap representation | |
2272 | virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) ; | |
2273 | private : | |
2274 | DECLARE_DYNAMIC_CLASS_NO_COPY(wxMacCoreGraphicsRenderer) | |
2275 | } ; | |
2276 | ||
2277 | //----------------------------------------------------------------------------- | |
2278 | // wxMacCoreGraphicsRenderer implementation | |
2279 | //----------------------------------------------------------------------------- | |
2280 | ||
2281 | IMPLEMENT_DYNAMIC_CLASS(wxMacCoreGraphicsRenderer,wxGraphicsRenderer) | |
2282 | ||
2283 | static wxMacCoreGraphicsRenderer gs_MacCoreGraphicsRenderer; | |
2284 | ||
2285 | wxGraphicsRenderer* wxGraphicsRenderer::GetDefaultRenderer() | |
2286 | { | |
2287 | return &gs_MacCoreGraphicsRenderer; | |
2288 | } | |
2289 | ||
2290 | #ifdef __WXCOCOA__ | |
2291 | extern CGContextRef wxMacGetContextFromCurrentNSContext() ; | |
2292 | #endif | |
2293 | ||
2294 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC& dc ) | |
2295 | { | |
2296 | const wxDCImpl* impl = dc.GetImpl(); | |
2297 | wxWindowDCImpl *win_impl = wxDynamicCast( impl, wxWindowDCImpl ); | |
2298 | if (win_impl) | |
2299 | { | |
2300 | int w, h; | |
2301 | win_impl->GetSize( &w, &h ); | |
2302 | CGContextRef cgctx = 0; | |
2303 | #ifdef __WXMAC__ | |
2304 | cgctx = (CGContextRef)(win_impl->GetWindow()->MacGetCGContextRef()); | |
2305 | #else | |
2306 | cgctx = wxMacGetContextFromCurrentNSContext() ; | |
2307 | #endif | |
2308 | return new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h ); | |
2309 | } | |
2310 | return NULL; | |
2311 | } | |
2312 | ||
2313 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC& dc ) | |
2314 | { | |
2315 | #ifdef __WXMAC__ | |
2316 | const wxDCImpl* impl = dc.GetImpl(); | |
2317 | wxMemoryDCImpl *mem_impl = wxDynamicCast( impl, wxMemoryDCImpl ); | |
2318 | if (mem_impl) | |
2319 | { | |
2320 | int w, h; | |
2321 | mem_impl->GetSize( &w, &h ); | |
2322 | return new wxMacCoreGraphicsContext( this, | |
2323 | (CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()), (wxDouble) w, (wxDouble) h ); | |
2324 | } | |
2325 | #endif | |
2326 | return NULL; | |
2327 | } | |
2328 | ||
2329 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeContext( void * context ) | |
2330 | { | |
2331 | return new wxMacCoreGraphicsContext(this,(CGContextRef)context); | |
2332 | } | |
2333 | ||
2334 | ||
2335 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContextFromNativeWindow( void * window ) | |
2336 | { | |
2337 | return new wxMacCoreGraphicsContext(this,(WindowRef)window); | |
2338 | } | |
2339 | ||
2340 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( wxWindow* window ) | |
2341 | { | |
2342 | return new wxMacCoreGraphicsContext(this, window ); | |
2343 | } | |
2344 | ||
2345 | wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateMeasuringContext() | |
2346 | { | |
2347 | return new wxMacCoreGraphicsContext(this); | |
2348 | } | |
2349 | ||
2350 | // Path | |
2351 | ||
2352 | wxGraphicsPath wxMacCoreGraphicsRenderer::CreatePath() | |
2353 | { | |
2354 | wxGraphicsPath m; | |
2355 | m.SetRefData( new wxMacCoreGraphicsPathData(this)); | |
2356 | return m; | |
2357 | } | |
2358 | ||
2359 | ||
2360 | // Matrix | |
2361 | ||
2362 | wxGraphicsMatrix wxMacCoreGraphicsRenderer::CreateMatrix( wxDouble a, wxDouble b, wxDouble c, wxDouble d, | |
2363 | wxDouble tx, wxDouble ty) | |
2364 | { | |
2365 | wxGraphicsMatrix m; | |
2366 | wxMacCoreGraphicsMatrixData* data = new wxMacCoreGraphicsMatrixData( this ); | |
2367 | data->Set( a,b,c,d,tx,ty ) ; | |
2368 | m.SetRefData(data); | |
2369 | return m; | |
2370 | } | |
2371 | ||
2372 | wxGraphicsPen wxMacCoreGraphicsRenderer::CreatePen(const wxPen& pen) | |
2373 | { | |
2374 | if ( !pen.Ok() || pen.GetStyle() == wxTRANSPARENT ) | |
2375 | return wxNullGraphicsPen; | |
2376 | else | |
2377 | { | |
2378 | wxGraphicsPen p; | |
2379 | p.SetRefData(new wxMacCoreGraphicsPenData( this, pen )); | |
2380 | return p; | |
2381 | } | |
2382 | } | |
2383 | ||
2384 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateBrush(const wxBrush& brush ) | |
2385 | { | |
2386 | if ( !brush.Ok() || brush.GetStyle() == wxTRANSPARENT ) | |
2387 | return wxNullGraphicsBrush; | |
2388 | else | |
2389 | { | |
2390 | wxGraphicsBrush p; | |
2391 | p.SetRefData(new wxMacCoreGraphicsBrushData( this, brush )); | |
2392 | return p; | |
2393 | } | |
2394 | } | |
2395 | ||
2396 | wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp ) | |
2397 | { | |
2398 | if ( bmp.Ok() ) | |
2399 | { | |
2400 | wxGraphicsBitmap p; | |
2401 | #ifdef __WXMAC__ | |
2402 | p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp.CreateCGImage() ) ); | |
2403 | #endif | |
2404 | return p; | |
2405 | } | |
2406 | else | |
2407 | return wxNullGraphicsBitmap; | |
2408 | } | |
2409 | ||
2410 | wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateSubBitmap( const wxGraphicsBitmap &bmp, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) | |
2411 | { | |
2412 | CGImageRef img = static_cast<wxMacCoreGraphicsBitmapData*>(bmp.GetRefData())->GetBitmap(); | |
2413 | if ( img ) | |
2414 | { | |
2415 | wxGraphicsBitmap p; | |
2416 | CGImageRef subimg = CGImageCreateWithImageInRect(img,CGRectMake( x , y , w , h )); | |
2417 | p.SetRefData(new wxMacCoreGraphicsBitmapData( this , subimg ) ); | |
2418 | return p; | |
2419 | } | |
2420 | else | |
2421 | return wxNullGraphicsBitmap; | |
2422 | } | |
2423 | ||
2424 | // sets the brush to a linear gradient, starting at (x1,y1) with color c1 to (x2,y2) with color c2 | |
2425 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateLinearGradientBrush( wxDouble x1, wxDouble y1, wxDouble x2, wxDouble y2, | |
2426 | const wxColour&c1, const wxColour&c2) | |
2427 | { | |
2428 | wxGraphicsBrush p; | |
2429 | wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); | |
2430 | d->CreateLinearGradientBrush(x1, y1, x2, y2, c1, c2); | |
2431 | p.SetRefData(d); | |
2432 | return p; | |
2433 | } | |
2434 | ||
2435 | // sets the brush to a radial gradient originating at (xo,yc) with color oColor and ends on a circle around (xc,yc) | |
2436 | // with radius r and color cColor | |
2437 | wxGraphicsBrush wxMacCoreGraphicsRenderer::CreateRadialGradientBrush( wxDouble xo, wxDouble yo, wxDouble xc, wxDouble yc, wxDouble radius, | |
2438 | const wxColour &oColor, const wxColour &cColor) | |
2439 | { | |
2440 | wxGraphicsBrush p; | |
2441 | wxMacCoreGraphicsBrushData* d = new wxMacCoreGraphicsBrushData( this ); | |
2442 | d->CreateRadialGradientBrush(xo,yo,xc,yc,radius,oColor,cColor); | |
2443 | p.SetRefData(d); | |
2444 | return p; | |
2445 | } | |
2446 | ||
2447 | // sets the font | |
2448 | wxGraphicsFont wxMacCoreGraphicsRenderer::CreateFont( const wxFont &font , const wxColour &col ) | |
2449 | { | |
2450 | if ( font.Ok() ) | |
2451 | { | |
2452 | wxGraphicsFont p; | |
2453 | p.SetRefData(new wxMacCoreGraphicsFontData( this , font, col )); | |
2454 | return p; | |
2455 | } | |
2456 | else | |
2457 | return wxNullGraphicsFont; | |
2458 | } | |
2459 | ||
2460 | // | |
2461 | // CoreGraphics Helper Methods | |
2462 | // | |
2463 | ||
2464 | // Data Providers and Consumers | |
2465 | ||
2466 | size_t UMAPutBytesCFRefCallback( void *info, const void *bytes, size_t count ) | |
2467 | { | |
2468 | CFMutableDataRef data = (CFMutableDataRef) info; | |
2469 | if ( data ) | |
2470 | { | |
2471 | CFDataAppendBytes( data, (const UInt8*) bytes, count ); | |
2472 | } | |
2473 | return count; | |
2474 | } | |
2475 | ||
2476 | void wxMacReleaseCFDataProviderCallback(void *info, | |
2477 | const void *WXUNUSED(data), | |
2478 | size_t WXUNUSED(count)) | |
2479 | { | |
2480 | if ( info ) | |
2481 | CFRelease( (CFDataRef) info ); | |
2482 | } | |
2483 | ||
2484 | void wxMacReleaseCFDataConsumerCallback( void *info ) | |
2485 | { | |
2486 | if ( info ) | |
2487 | CFRelease( (CFDataRef) info ); | |
2488 | } | |
2489 | ||
2490 | CGDataProviderRef wxMacCGDataProviderCreateWithCFData( CFDataRef data ) | |
2491 | { | |
2492 | if ( data == NULL ) | |
2493 | return NULL; | |
2494 | ||
2495 | return CGDataProviderCreateWithCFData( data ); | |
2496 | } | |
2497 | ||
2498 | CGDataConsumerRef wxMacCGDataConsumerCreateWithCFData( CFMutableDataRef data ) | |
2499 | { | |
2500 | if ( data == NULL ) | |
2501 | return NULL; | |
2502 | ||
2503 | return CGDataConsumerCreateWithCFData( data ); | |
2504 | } | |
2505 | ||
2506 | void wxMacReleaseMemoryBufferProviderCallback(void *info, const void *data, size_t WXUNUSED(size)) | |
2507 | { | |
2508 | wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ; | |
2509 | ||
2510 | wxASSERT( data == membuf->GetData() ) ; | |
2511 | ||
2512 | delete membuf ; | |
2513 | } | |
2514 | ||
2515 | CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf ) | |
2516 | { | |
2517 | wxMemoryBuffer* b = new wxMemoryBuffer( buf ); | |
2518 | if ( b->GetDataLen() == 0 ) | |
2519 | return NULL; | |
2520 | ||
2521 | return CGDataProviderCreateWithData( b , (const void *) b->GetData() , b->GetDataLen() , | |
2522 | wxMacReleaseMemoryBufferProviderCallback ); | |
2523 | } |