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1/////////////////////////////////////////////////////////////////////////////
2// Name: dc.cpp
3// Purpose: wxDC class
4// Author: Stefan Csomor
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Stefan Csomor
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "dc.h"
14#endif
15
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16#include "wx/wxprec.h"
17
613a24f7 18#include "wx/dc.h"
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19
20#if wxMAC_USE_CORE_GRAPHICS
21
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22#include "wx/app.h"
23#include "wx/mac/uma.h"
24#include "wx/dcmemory.h"
25#include "wx/dcprint.h"
26#include "wx/region.h"
27#include "wx/image.h"
28#include "wx/log.h"
29
20b69855 30
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31#if __MSL__ >= 0x6000
32#include "math.h"
33using namespace std ;
34#endif
35
36#include "wx/mac/private.h"
37#include <ATSUnicode.h>
38#include <TextCommon.h>
39#include <TextEncodingConverter.h>
40#include <FixMath.h>
41#include <CGContext.h>
42
43#if !USE_SHARED_LIBRARY
44IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
45#endif
46
47//-----------------------------------------------------------------------------
48// constants
49//-----------------------------------------------------------------------------
50
51#if !defined( __DARWIN__ ) || defined(__MWERKS__)
52#ifndef M_PI
53const double M_PI = 3.14159265358979 ;
54#endif
55#endif
56const double RAD2DEG = 180.0 / M_PI;
57const short kEmulatedMode = -1 ;
58const short kUnsupportedMode = -2 ;
59
60extern TECObjectRef s_TECNativeCToUnicode ;
61
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62// TODO Update
63// The text ctrl implementation still needs that for the non hiview implementation
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64
65wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
66 wxMacPortSaver( (GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) )
67{
68 m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
69 m_formerClip = NewRgn() ;
70 m_newClip = NewRgn() ;
71 GetClip( m_formerClip ) ;
72
73 if ( win )
74 {
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75 // guard against half constructed objects, this just leads to a empty clip
76 if( win->GetPeer() )
77 {
78 int x = 0 , y = 0;
79 win->MacWindowToRootWindow( &x,&y ) ;
80 // get area including focus rect
81 CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
82 if ( !EmptyRgn( m_newClip ) )
83 OffsetRgn( m_newClip , x , y ) ;
84 }
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85
86 SetClip( m_newClip ) ;
87 }
88}
89
90wxMacWindowClipper::~wxMacWindowClipper()
91{
92 SetPort( m_newPort ) ;
93 SetClip( m_formerClip ) ;
94 DisposeRgn( m_newClip ) ;
95 DisposeRgn( m_formerClip ) ;
96}
97
98wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
99 wxMacWindowClipper( win )
100{
101 // the port is already set at this point
102 m_newPort =(GrafPtr) GetWindowPort((WindowRef) win->MacGetTopLevelWindowRef()) ;
103 GetThemeDrawingState( &m_themeDrawingState ) ;
104}
105
106wxMacWindowStateSaver::~wxMacWindowStateSaver()
107{
108 SetPort( m_newPort ) ;
109 SetThemeDrawingState( m_themeDrawingState , true ) ;
110}
111
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112// minimal implementation only used for appearance drawing < 10.3
113
114wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
115 m_ph( (GrafPtr) dc->m_macPort )
116{
117 wxASSERT( dc->Ok() ) ;
118 m_dc = dc ;
119// dc->MacSetupPort(&m_ph) ;
120}
121wxMacPortSetter::~wxMacPortSetter()
122{
123// m_dc->MacCleanupPort(&m_ph) ;
124}
125
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126//-----------------------------------------------------------------------------
127// Local functions
128//-----------------------------------------------------------------------------
20b69855 129
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130static inline double dmin(double a, double b) { return a < b ? a : b; }
131static inline double dmax(double a, double b) { return a > b ? a : b; }
132static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
133
134//-----------------------------------------------------------------------------
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135// device context implementation
136//
137// more and more of the dc functionality should be implemented by calling
138// the appropricate wxMacCGContext, but we will have to do that step by step
139// also coordinate conversions should be moved to native matrix ops
613a24f7 140//-----------------------------------------------------------------------------
613a24f7 141
20b69855 142wxMacCGPath::wxMacCGPath()
613a24f7 143{
20b69855 144 m_path = CGPathCreateMutable() ;
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145}
146
20b69855 147wxMacCGPath::~wxMacCGPath()
613a24f7 148{
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149 CGPathRelease( m_path ) ;
150}
613a24f7 151
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152// Starts a new subpath at
153void wxMacCGPath::MoveToPoint( wxCoord x1 , wxCoord y1 )
154{
155 CGPathMoveToPoint( m_path , NULL , x1 , y1 ) ;
156}
613a24f7 157
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158void wxMacCGPath::AddLineToPoint( wxCoord x1 , wxCoord y1 )
159{
160 CGPathAddLineToPoint( m_path , NULL , x1 , y1 ) ;
161}
613a24f7 162
20b69855 163void wxMacCGPath::AddRectangle( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
613a24f7 164{
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165 CGRect cgRect = { { x , y } , { w , h } } ;
166 CGPathAddRect( m_path , NULL , cgRect ) ;
167}
613a24f7 168
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169void wxMacCGPath::AddCircle( wxCoord x, wxCoord y , wxCoord r )
170{
171 CGPathAddArc( m_path , NULL , x , y , r , 0.0 , 2 * M_PI , true ) ;
172}
613a24f7 173
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174// closes the current subpath
175void wxMacCGPath::CloseSubpath()
176{
177 CGPathCloseSubpath( m_path ) ;
178}
613a24f7 179
20b69855 180CGPathRef wxMacCGPath::GetPath() const
613a24f7 181{
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182 return m_path ;
183}
184
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185// we always stock two context states, one at entry, the other one after
186// changing to HI Graphics orientation (this one is used for getting back clippings etc)
613a24f7 187
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188wxMacCGContext::wxMacCGContext( CGrafPtr port )
189{
190 m_qdPort = port ;
cb4b0966 191 m_cgContext = NULL ;
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192}
193
194wxMacCGContext::wxMacCGContext( CGContextRef cgcontext )
195{
196 m_qdPort = NULL ;
197 m_cgContext = cgcontext ;
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198 CGContextSaveGState( m_cgContext ) ;
199 CGContextSaveGState( m_cgContext ) ;
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200}
201
202wxMacCGContext::wxMacCGContext()
203{
204 m_qdPort = NULL ;
205 m_cgContext = NULL ;
206}
613a24f7 207
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208wxMacCGContext::~wxMacCGContext()
209{
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210 if ( m_cgContext )
211 {
68654a82 212 CGContextSynchronize( m_cgContext ) ;
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213 CGContextRestoreGState( m_cgContext ) ;
214 CGContextRestoreGState( m_cgContext ) ;
215 }
20b69855 216 if ( m_qdPort )
68654a82 217 CGContextRelease( m_cgContext ) ;
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218}
219
220
221void wxMacCGContext::Clip( const wxRegion &region )
222{
223// ClipCGContextToRegion ( m_cgContext, &bounds , (RgnHandle) dc->m_macCurrentClipRgn ) ;
224}
225
226void wxMacCGContext::StrokePath( const wxGraphicPath *p )
227{
228 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
229 CGContextBeginPath( m_cgContext ) ;
230 CGContextAddPath( m_cgContext , path->GetPath() ) ;
231 CGContextClosePath( m_cgContext ) ;
232 CGContextStrokePath( m_cgContext ) ;
233}
234
235void wxMacCGContext::DrawPath( const wxGraphicPath *p , int fillStyle )
236{
237 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
238 CGPathDrawingMode mode = m_mode ;
239 if ( fillStyle == wxODDEVEN_RULE )
240 {
241 if ( mode == kCGPathFill )
242 mode = kCGPathEOFill ;
243 else if ( mode == kCGPathFillStroke )
244 mode = kCGPathEOFillStroke ;
245 }
246 CGContextBeginPath( m_cgContext ) ;
247 CGContextAddPath( m_cgContext , path->GetPath() ) ;
248 CGContextClosePath( m_cgContext ) ;
249 CGContextDrawPath( m_cgContext , mode ) ;
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250}
251
20b69855 252void wxMacCGContext::FillPath( const wxGraphicPath *p , const wxColor &fillColor , int fillStyle )
613a24f7 253{
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254 const wxMacCGPath* path = dynamic_cast< const wxMacCGPath*>( p ) ;
255 CGContextSaveGState( m_cgContext ) ;
256
257 RGBColor col = MAC_WXCOLORREF( fillColor.GetPixel() ) ;
258 CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
259 CGPathDrawingMode mode = kCGPathFill ;
260
261 if ( fillStyle == wxODDEVEN_RULE )
262 mode = kCGPathEOFill ;
263
264 CGContextBeginPath( m_cgContext ) ;
265 CGContextAddPath( m_cgContext , path->GetPath() ) ;
266 CGContextClosePath( m_cgContext ) ;
267 CGContextDrawPath( m_cgContext , mode ) ;
268
269 CGContextRestoreGState( m_cgContext ) ;
270}
613a24f7 271
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272wxGraphicPath* wxMacCGContext::CreatePath()
273{
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274 // make sure that we now have a real cgref, before doing
275 // anything with paths
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276 CGContextRef cg = GetNativeContext() ;
277 cg = NULL ;
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278 return new wxMacCGPath() ;
279}
280
281// in case we only got a QDPort only create a cgref now
282
283CGContextRef wxMacCGContext::GetNativeContext()
284{
285 if( m_cgContext == NULL )
286 {
287 Rect bounds ;
288 GetPortBounds( (CGrafPtr) m_qdPort , &bounds ) ;
68654a82 289 OSStatus status = CreateCGContextForPort((CGrafPtr) m_qdPort , &m_cgContext) ;
b014adcc 290 CGContextSaveGState( m_cgContext ) ;
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291
292 wxASSERT_MSG( status == noErr , wxT("Cannot nest wxDCs on the same window") ) ;
293 CGContextTranslateCTM( m_cgContext , 0 , bounds.bottom - bounds.top ) ;
294 CGContextScaleCTM( m_cgContext , 1 , -1 ) ;
295
b014adcc 296 CGContextSaveGState( m_cgContext ) ;
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297 SetPen( m_pen ) ;
298 SetBrush( m_brush ) ;
299 }
300 return m_cgContext ;
301}
302
303void wxMacCGContext::SetNativeContext( CGContextRef cg )
304{
b014adcc 305 wxASSERT( m_cgContext == NULL ) ;
cb4b0966 306 m_cgContext = cg ;
b014adcc 307 CGContextSaveGState( m_cgContext ) ;
cb4b0966 308}
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309
310void wxMacCGContext::SetPen( const wxPen &pen )
311{
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312 m_pen = pen ;
313 if ( m_cgContext == NULL )
314 return ;
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315 bool fill = m_brush.GetStyle() != wxTRANSPARENT ;
316 bool stroke = pen.GetStyle() != wxTRANSPARENT ;
cb4b0966 317
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318#if 0
319 // we can benchmark performance, should go into a setting later
320 CGContextSetShouldAntialias( m_cgContext , false ) ;
321#endif
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322 if ( fill | stroke )
323 {
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324 // setup brushes
325 m_mode = kCGPathFill ; // just a default
326
327 if ( fill )
328 {
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329 m_mode = kCGPathFill ;
330 }
331 if ( stroke )
332 {
20b69855 333 RGBColor col = MAC_WXCOLORREF( pen.GetColour().GetPixel() ) ;
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334 CGContextSetRGBStrokeColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
335
336 CGLineCap cap ;
20b69855 337 switch( pen.GetCap() )
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338 {
339 case wxCAP_ROUND :
340 cap = kCGLineCapRound ;
341 break ;
342 case wxCAP_PROJECTING :
343 cap = kCGLineCapSquare ;
344 break ;
345 case wxCAP_BUTT :
346 cap = kCGLineCapButt ;
347 break ;
348 default :
349 cap = kCGLineCapButt ;
350 break ;
351 }
352 CGContextSetLineCap( m_cgContext , cap ) ;
353
354 CGLineJoin join ;
20b69855 355 switch( pen.GetJoin() )
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356 {
357 case wxJOIN_BEVEL :
358 join = kCGLineJoinBevel ;
359 break ;
360 case wxJOIN_MITER :
361 join = kCGLineJoinMiter ;
362 break ;
363 case wxJOIN_ROUND :
364 join = kCGLineJoinRound ;
365 break ;
366 default :
367 join = kCGLineJoinMiter ;
368 break;
369 }
370 CGContextSetLineJoin( m_cgContext , join ) ;
371
20b69855 372 CGContextSetLineWidth( m_cgContext , pen.GetWidth() == 0 ? 0.1 : pen.GetWidth() /* TODO * m_dc->m_scaleX */ ) ;
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373
374 m_mode = kCGPathStroke ;
375 int count = 0 ;
376 const float *lengths = NULL ;
377 float *userLengths = NULL ;
378
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379 const float dotted[] = { 3 , 3 };
380 const float dashed[] = { 19 , 9 };
381 const float short_dashed[] = { 9 , 6 };
382 const float dotted_dashed[] = { 9 , 6 , 3 , 3 };
383
384 switch( pen.GetStyle() )
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385 {
386 case wxSOLID :
387 break ;
388 case wxDOT :
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389 lengths = dotted ;
390 count = WXSIZEOF(dotted);
391 break ;
392 case wxLONG_DASH :
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393 lengths = dashed ;
394 count = WXSIZEOF(dashed) ;
395 break ;
396 case wxSHORT_DASH :
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397 lengths = short_dashed ;
398 count = WXSIZEOF(short_dashed) ;
399 break ;
400 case wxDOT_DASH :
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401 lengths = dotted_dashed ;
402 count = WXSIZEOF(dotted_dashed);
403 break ;
404 case wxUSER_DASH :
405 wxDash *dashes ;
20b69855 406 count = pen.GetDashes( &dashes ) ;
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407 if ( count >0 )
408 {
409 userLengths = new float[count] ;
410 for( int i = 0 ; i < count ; ++i )
411 userLengths[i] = dashes[i] ;
412 }
413 lengths = userLengths ;
414 break ;
415 default :
416 break ;
417 }
418
419 CGContextSetLineDash( m_cgContext , 0 , lengths , count ) ;
420 delete[] userLengths ;
421 // we need to change the cap, otherwise everything overlaps
422 // and we get solid lines
423 if ( count > 0 )
424 CGContextSetLineCap( m_cgContext , kCGLineCapButt ) ;
425 }
426 if ( fill && stroke )
427 {
428 m_mode = kCGPathFillStroke ;
429 }
430
431 }
432}
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433void wxMacCGContext::SetBrush( const wxBrush &brush )
434{
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435 m_brush = brush ;
436 if ( m_cgContext == NULL )
437 return ;
438
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439 bool fill = brush.GetStyle() != wxTRANSPARENT ;
440 bool stroke = m_pen.GetStyle() != wxTRANSPARENT ;
613a24f7 441
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442#if 0
443 // we can benchmark performance, should go into a setting later
444 CGContextSetShouldAntialias( m_cgContext , false ) ;
445#endif
446 if ( fill | stroke )
447 {
448
449 // setup brushes
450 m_mode = kCGPathFill ; // just a default
451
452 if ( fill )
453 {
454 RGBColor col = MAC_WXCOLORREF( brush.GetColour().GetPixel() ) ;
455 CGContextSetRGBFillColor( m_cgContext , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
456 m_mode = kCGPathFill ;
457 }
458 if ( stroke )
459 {
460 m_mode = kCGPathStroke ;
461 }
462 if ( fill && stroke )
463 {
464 m_mode = kCGPathFillStroke ;
465 }
466
467 }
468}
469
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470void AddEllipticArcToPath(CGContextRef c, CGPoint center, float a, float b, float fromDegree , float toDegree )
471{
472 CGContextSaveGState(c);
473 CGContextTranslateCTM(c, center.x, center.y);
474 CGContextScaleCTM(c, a, b);
475 CGContextMoveToPoint(c, 1, 0);
476 CGContextAddArc(c, 0, 0, 1, DegToRad(fromDegree), DegToRad(toDegree), 0);
477 CGContextClosePath(c);
478 CGContextRestoreGState(c);
479}
480
481void AddRoundedRectToPath(CGContextRef c, CGRect rect, float ovalWidth,
482 float ovalHeight)
483{
484 float fw, fh;
485 if (ovalWidth == 0 || ovalHeight == 0)
486 {
487 CGContextAddRect(c, rect);
488 return;
489 }
490 CGContextSaveGState(c);
491 CGContextTranslateCTM(c, CGRectGetMinX(rect), CGRectGetMinY(rect));
492 CGContextScaleCTM(c, ovalWidth, ovalHeight);
493 fw = CGRectGetWidth(rect) / ovalWidth;
494 fh = CGRectGetHeight(rect) / ovalHeight;
495 CGContextMoveToPoint(c, fw, fh/2);
496 CGContextAddArcToPoint(c, fw, fh, fw/2, fh, 1);
497 CGContextAddArcToPoint(c, 0, fh, 0, fh/2, 1);
498 CGContextAddArcToPoint(c, 0, 0, fw/2, 0, 1);
499 CGContextAddArcToPoint(c, fw, 0, fw, fh/2, 1);
500 CGContextClosePath(c);
501 CGContextRestoreGState(c);
502}
503
504wxDC::wxDC()
505{
506 m_ok = FALSE;
507 m_colour = TRUE;
508 m_mm_to_pix_x = mm2pt;
509 m_mm_to_pix_y = mm2pt;
510 m_internalDeviceOriginX = 0;
511 m_internalDeviceOriginY = 0;
512 m_externalDeviceOriginX = 0;
513 m_externalDeviceOriginY = 0;
514 m_logicalScaleX = 1.0;
515 m_logicalScaleY = 1.0;
516 m_userScaleX = 1.0;
517 m_userScaleY = 1.0;
518 m_scaleX = 1.0;
519 m_scaleY = 1.0;
520 m_needComputeScaleX = FALSE;
521 m_needComputeScaleY = FALSE;
20b69855 522
613a24f7 523 m_ok = FALSE ;
a63b4755 524 m_macPort = 0 ;
613a24f7 525 m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
20b69855 526
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527 m_pen = *wxBLACK_PEN;
528 m_font = *wxNORMAL_FONT;
529 m_brush = *wxWHITE_BRUSH;
613a24f7 530
20b69855 531 m_macATSUIStyle = NULL ;
613a24f7 532
20b69855 533 m_graphicContext = NULL ;
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534}
535
20b69855 536wxDC::~wxDC(void)
613a24f7 537{
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538 if( m_macATSUIStyle )
539 {
540 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
541 m_macATSUIStyle = NULL ;
542 }
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543
544 delete m_graphicContext ;
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545}
546
547void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
548{
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549 wxCHECK_RET( Ok(), wxT("invalid window dc") );
550 wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
551 wxCoord xx = XLOG2DEVMAC(x);
552 wxCoord yy = YLOG2DEVMAC(y);
553 wxCoord w = bmp.GetWidth();
554 wxCoord h = bmp.GetHeight();
555 wxCoord ww = XLOG2DEVREL(w);
556 wxCoord hh = YLOG2DEVREL(h);
557
b60f5ca5 558 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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559 CGImageRef image = (CGImageRef)( bmp.CGImageCreate() ) ;
560 HIRect r = CGRectMake( xx , yy , ww , hh ) ;
561 HIViewDrawCGImage( cg , &r , image ) ;
562 CGImageRelease( image ) ;
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563}
564
565void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
566{
567 wxCHECK_RET(Ok(), wxT("Invalid dc wxDC::DoDrawIcon"));
568 wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
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569
570 wxCoord xx = XLOG2DEVMAC(x);
571 wxCoord yy = YLOG2DEVMAC(y);
572 wxCoord w = icon.GetWidth();
573 wxCoord h = icon.GetHeight();
574 wxCoord ww = XLOG2DEVREL(w);
575 wxCoord hh = YLOG2DEVREL(h);
576
b60f5ca5 577 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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578 CGRect r = CGRectMake( 00 , 00 , ww , hh ) ;
579 CGContextSaveGState(cg);
580 CGContextTranslateCTM(cg, xx , yy + hh );
581 CGContextScaleCTM(cg, 1, -1);
582 PlotIconRefInContext( cg , &r , kAlignNone , kTransformNone ,
583 NULL , kPlotIconRefNormalFlags , MAC_WXHICON( icon.GetHICON() ) ) ;
584 CGContextRestoreGState( cg ) ;
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585}
586
587void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
588{
589 wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion Invalid DC"));
590 wxCoord xx, yy, ww, hh;
591 xx = XLOG2DEVMAC(x);
592 yy = YLOG2DEVMAC(y);
593 ww = XLOG2DEVREL(width);
594 hh = YLOG2DEVREL(height);
b014adcc 595
b60f5ca5 596 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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597 CGRect clipRect = CGRectMake( xx ,yy , ww, hh ) ;
598 CGContextClipToRect( cgContext , clipRect ) ;
599
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600// SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
601// SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
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602 if( m_clipping )
603 {
604 m_clipX1 = wxMax( m_clipX1 , xx );
605 m_clipY1 = wxMax( m_clipY1 , yy );
606 m_clipX2 = wxMin( m_clipX2, (xx + ww));
607 m_clipY2 = wxMin( m_clipY2, (yy + hh));
608 }
609 else
610 {
611 m_clipping = TRUE;
612 m_clipX1 = xx;
613 m_clipY1 = yy;
614 m_clipX2 = xx + ww;
615 m_clipY2 = yy + hh;
616 }
617 // TODO as soon as we don't reset the context for each operation anymore
618 // we have to update the context as well
619}
620
621void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
622{
623 wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
624 if (region.Empty())
625 {
626 DestroyClippingRegion();
627 return;
628 }
629 wxCoord x, y, w, h;
630 region.GetBox( x, y, w, h );
631 wxCoord xx, yy, ww, hh;
632 xx = XLOG2DEVMAC(x);
633 yy = YLOG2DEVMAC(y);
634 ww = XLOG2DEVREL(w);
635 hh = YLOG2DEVREL(h);
636 // if we have a scaling that we cannot map onto native regions
637 // we must use the box
638 if ( ww != w || hh != h )
639 {
640 wxDC::DoSetClippingRegion( x, y, w, h );
641 }
642 else
643 {
20b69855 644 /*
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645 CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
646 if ( xx != x || yy != y )
647 {
648 OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
649 }
650 SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
20b69855 651 */
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652 if( m_clipping )
653 {
654 m_clipX1 = wxMax( m_clipX1 , xx );
655 m_clipY1 = wxMax( m_clipY1 , yy );
656 m_clipX2 = wxMin( m_clipX2, (xx + ww));
657 m_clipY2 = wxMin( m_clipY2, (yy + hh));
658 }
659 else
660 {
661 m_clipping = TRUE;
662 m_clipX1 = xx;
663 m_clipY1 = yy;
664 m_clipX2 = xx + ww;
665 m_clipY2 = yy + hh;
666 }
667 }
668}
669
670void wxDC::DestroyClippingRegion()
671{
20b69855 672// CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
b60f5ca5 673 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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674 CGContextRestoreGState( cgContext );
675 CGContextSaveGState( cgContext );
676 SetPen( m_pen ) ;
677 SetBrush( m_brush ) ;
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678 m_clipping = FALSE;
679}
680
681void wxDC::DoGetSizeMM( int* width, int* height ) const
682{
683 int w = 0;
684 int h = 0;
685 GetSize( &w, &h );
686 *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
687 *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
688}
689
690void wxDC::SetTextForeground( const wxColour &col )
691{
692 wxCHECK_RET(Ok(), wxT("Invalid DC"));
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693 if ( col != m_textForegroundColour )
694 {
695 m_textForegroundColour = col;
696 MacInstallFont() ;
697 }
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698}
699
700void wxDC::SetTextBackground( const wxColour &col )
701{
702 wxCHECK_RET(Ok(), wxT("Invalid DC"));
703 m_textBackgroundColour = col;
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704}
705
706void wxDC::SetMapMode( int mode )
707{
708 switch (mode)
709 {
710 case wxMM_TWIPS:
711 SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
712 break;
713 case wxMM_POINTS:
714 SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
715 break;
716 case wxMM_METRIC:
717 SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
718 break;
719 case wxMM_LOMETRIC:
720 SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
721 break;
722 default:
723 case wxMM_TEXT:
724 SetLogicalScale( 1.0, 1.0 );
725 break;
726 }
727 if (mode != wxMM_TEXT)
728 {
729 m_needComputeScaleX = TRUE;
730 m_needComputeScaleY = TRUE;
731 }
732}
733
734void wxDC::SetUserScale( double x, double y )
735{
736 // allow negative ? -> no
737 m_userScaleX = x;
738 m_userScaleY = y;
739 ComputeScaleAndOrigin();
740}
741
742void wxDC::SetLogicalScale( double x, double y )
743{
744 // allow negative ?
745 m_logicalScaleX = x;
746 m_logicalScaleY = y;
747 ComputeScaleAndOrigin();
748}
749
750void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
751{
752 m_logicalOriginX = x * m_signX; // is this still correct ?
753 m_logicalOriginY = y * m_signY;
754 ComputeScaleAndOrigin();
755}
756
757void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
758{
759 m_externalDeviceOriginX = x;
760 m_externalDeviceOriginY = y;
761 ComputeScaleAndOrigin();
762}
763
764void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
765{
766 m_signX = (xLeftRight ? 1 : -1);
767 m_signY = (yBottomUp ? -1 : 1);
768 ComputeScaleAndOrigin();
769}
770
771wxSize wxDC::GetPPI() const
772{
773 return wxSize(72, 72);
774}
775
776int wxDC::GetDepth() const
777{
20b69855 778 return 32 ;
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779}
780
781void wxDC::ComputeScaleAndOrigin()
782{
783 // CMB: copy scale to see if it changes
784 double origScaleX = m_scaleX;
785 double origScaleY = m_scaleY;
786 m_scaleX = m_logicalScaleX * m_userScaleX;
787 m_scaleY = m_logicalScaleY * m_userScaleY;
788 m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
789 m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
790 // CMB: if scale has changed call SetPen to recalulate the line width
791 if (m_scaleX != origScaleX || m_scaleY != origScaleY)
792 {
793 // this is a bit artificial, but we need to force wxDC to think
794 // the pen has changed
795 wxPen pen(GetPen());
796 m_pen = wxNullPen;
797 SetPen(pen);
798 }
799}
800
801void wxDC::SetPalette( const wxPalette& palette )
802{
803}
804
805void wxDC::SetBackgroundMode( int mode )
806{
807 m_backgroundMode = mode ;
808}
809
810void wxDC::SetFont( const wxFont &font )
811{
812 m_font = font;
20b69855 813 MacInstallFont() ;
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814}
815
816void wxDC::SetPen( const wxPen &pen )
817{
818 if ( m_pen == pen )
819 return ;
820 m_pen = pen;
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821 if ( m_graphicContext )
822 {
823 m_graphicContext->SetPen( m_pen ) ;
824 }
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825}
826
827void wxDC::SetBrush( const wxBrush &brush )
828{
829 if (m_brush == brush)
830 return;
831 m_brush = brush;
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832 if ( m_graphicContext )
833 {
834 m_graphicContext->SetBrush( m_brush ) ;
835 }
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836}
837
838void wxDC::SetBackground( const wxBrush &brush )
839{
840 if (m_backgroundBrush == brush)
841 return;
842 m_backgroundBrush = brush;
843 if (!m_backgroundBrush.Ok())
844 return;
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845}
846
847void wxDC::SetLogicalFunction( int function )
848{
849 if (m_logicalFunction == function)
850 return;
851 m_logicalFunction = function ;
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852}
853
854extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
855 const wxColour & col, int style);
856
857bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
858 const wxColour& col, int style)
859{
860 return wxDoFloodFill(this, x, y, col, style);
861}
862
863bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
864{
865 wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel Invalid DC") );
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866 wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel Invalid DC") );
867 wxMacPortSaver helper((CGrafPtr)m_macPort) ;
868 RGBColor colour;
869 GetCPixel(
870 XLOG2DEVMAC(x) + m_macLocalOriginInPort.x - m_macLocalOrigin.x,
871 YLOG2DEVMAC(y) + m_macLocalOriginInPort.y - m_macLocalOrigin.y, &colour );
872 // Convert from Mac colour to wx
873 col->Set( colour.red >> 8,
874 colour.green >> 8,
875 colour.blue >> 8);
876 return true ;
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877}
878
879void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
880{
881 wxCHECK_RET(Ok(), wxT("Invalid DC"));
882
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883 if ( m_logicalFunction != wxCOPY )
884 return ;
885
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886 wxCoord xx1 = XLOG2DEVMAC(x1) ;
887 wxCoord yy1 = YLOG2DEVMAC(y1) ;
888 wxCoord xx2 = XLOG2DEVMAC(x2) ;
889 wxCoord yy2 = YLOG2DEVMAC(y2) ;
890
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891 wxGraphicPath* path = m_graphicContext->CreatePath() ;
892 path->MoveToPoint( xx1 , yy1 ) ;
893 path->AddLineToPoint( xx2 , yy2 ) ;
894 path->CloseSubpath() ;
895 m_graphicContext->StrokePath( path ) ;
896 delete path ;
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897
898 CalcBoundingBox(x1, y1);
899 CalcBoundingBox(x2, y2);
900}
901
902void wxDC::DoCrossHair( wxCoord x, wxCoord y )
903{
904 wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair Invalid window dc") );
905
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906 if ( m_logicalFunction != wxCOPY )
907 return ;
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908
909 int w = 0;
910 int h = 0;
911 GetSize( &w, &h );
912 wxCoord xx = XLOG2DEVMAC(x);
913 wxCoord yy = YLOG2DEVMAC(y);
914
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915 wxGraphicPath* path = m_graphicContext->CreatePath() ;
916 path->MoveToPoint( XLOG2DEVMAC(0), yy ) ;
917 path->AddLineToPoint( XLOG2DEVMAC(w), yy ) ;
918 path->CloseSubpath() ;
919 path->MoveToPoint( xx, YLOG2DEVMAC(0) ) ;
920 path->AddLineToPoint( xx, YLOG2DEVMAC(h) ) ;
921 path->CloseSubpath() ;
922 m_graphicContext->StrokePath( path ) ;
923 delete path ;
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924
925 CalcBoundingBox(x, y);
926 CalcBoundingBox(x+w, y+h);
927}
928
929/*
930* To draw arcs properly the angles need to be converted from the WX style:
931* Angles start on the +ve X axis and go anti-clockwise (As you would draw on
932* a normal axis on paper).
933* TO
934* the Mac style:
935* Angles start on the +ve y axis and go clockwise.
936*/
937
938static double wxConvertWXangleToMACangle(double angle)
939{
940 double newAngle = 90 - angle ;
941 if ( newAngle < 0 )
942 newAngle += 360 ;
943 return newAngle ;
944}
945
946void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
947 wxCoord x2, wxCoord y2,
948 wxCoord xc, wxCoord yc )
949{
950 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc Invalid DC"));
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951
952 if ( m_logicalFunction != wxCOPY )
953 return ;
954
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955 wxCoord xx1 = XLOG2DEVMAC(x1);
956 wxCoord yy1 = YLOG2DEVMAC(y1);
957 wxCoord xx2 = XLOG2DEVMAC(x2);
958 wxCoord yy2 = YLOG2DEVMAC(y2);
959 wxCoord xxc = XLOG2DEVMAC(xc);
960 wxCoord yyc = YLOG2DEVMAC(yc);
961 double dx = xx1 - xxc;
962 double dy = yy1 - yyc;
963 double radius = sqrt((double)(dx*dx+dy*dy));
964 wxCoord rad = (wxCoord)radius;
965 double radius1, radius2;
966 if (xx1 == xx2 && yy1 == yy2)
967 {
968 radius1 = 0.0;
969 radius2 = 360.0;
970 }
971 else if (radius == 0.0)
972 {
973 radius1 = radius2 = 0.0;
974 }
975 else
976 {
977 radius1 = (xx1 - xxc == 0) ?
978 (yy1 - yyc < 0) ? 90.0 : -90.0 :
979 -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
980 radius2 = (xx2 - xxc == 0) ?
981 (yy2 - yyc < 0) ? 90.0 : -90.0 :
982 -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
983 }
984 wxCoord alpha2 = wxCoord(radius2 - radius1);
8e475be4 985 wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
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986 if( (xx1 > xx2) || (yy1 > yy2) ) {
987 alpha2 *= -1;
988 }
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989 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
990 CGContextRef ctx = mctx->GetNativeContext() ;
a63b4755 991 AddEllipticArcToPath( ctx , CGPointMake( xxc , yyc ) , rad , rad , alpha1 , alpha2 ) ;
20b69855 992 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
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993}
994
995void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
996 double sa, double ea )
997{
998 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc Invalid DC"));
20b69855 999
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1000 if ( m_logicalFunction != wxCOPY )
1001 return ;
1002
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1003 double angle = sa - ea; // Order important Mac in opposite direction to wx
1004 // we have to make sure that the filling is always counter-clockwise
1005 if ( angle > 0 )
1006 angle -= 360 ;
1007 wxCoord xx = XLOG2DEVMAC(x);
1008 wxCoord yy = YLOG2DEVMAC(y);
1009 wxCoord ww = m_signX * XLOG2DEVREL(w);
1010 wxCoord hh = m_signY * YLOG2DEVREL(h);
1011 // handle -ve width and/or height
1012 if (ww < 0) { ww = -ww; xx = xx - ww; }
1013 if (hh < 0) { hh = -hh; yy = yy - hh; }
1014 sa = wxConvertWXangleToMACangle(sa);
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1015 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1016 CGContextRef ctx = mctx->GetNativeContext() ;
1017 AddEllipticArcToPath( ctx , CGPointMake( xx + ww / 2 , yy + hh / 2 ) , ww / 2 , hh / 2 , sa , angle) ;
1018 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
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1019}
1020
1021void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
1022{
1023 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1024 DoDrawLine( x , y , x + 1 , y + 1 ) ;
1025}
1026
1027void wxDC::DoDrawLines(int n, wxPoint points[],
1028 wxCoord xoffset, wxCoord yoffset)
1029{
1030 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1031
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1032 if ( m_logicalFunction != wxCOPY )
1033 return ;
1034
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1035 wxCoord x1, x2 , y1 , y2 ;
1036 x1 = XLOG2DEVMAC(points[0].x + xoffset);
1037 y1 = YLOG2DEVMAC(points[0].y + yoffset);
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1038 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1039 path->MoveToPoint( x1 , y1 ) ;
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1040 for (int i = 1; i < n; i++)
1041 {
1042 x2 = XLOG2DEVMAC(points[i].x + xoffset);
1043 y2 = YLOG2DEVMAC(points[i].y + yoffset);
1044
20b69855 1045 path->AddLineToPoint( x2 , y2 ) ;
613a24f7 1046 }
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1047 m_graphicContext->StrokePath( path ) ;
1048 delete path ;
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1049}
1050
1051void wxDC::DoDrawPolygon(int n, wxPoint points[],
1052 wxCoord xoffset, wxCoord yoffset,
1053 int fillStyle )
1054{
1055 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1056 wxCoord x1, x2 , y1 , y2 ;
1057 if ( n== 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) )
1058 return ;
1059
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1060 if ( m_logicalFunction != wxCOPY )
1061 return ;
1062
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1063 x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
1064 y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
1065
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1066 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1067 path->MoveToPoint( x1 , y1 ) ;
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1068 for (int i = 1; i < n; i++)
1069 {
1070 x2 = XLOG2DEVMAC(points[i].x + xoffset);
1071 y2 = YLOG2DEVMAC(points[i].y + yoffset);
1072
20b69855 1073 path->AddLineToPoint( x2 , y2 ) ;
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1074 }
1075 if ( x1 != x2 || y1 != y2 )
1076 {
20b69855 1077 path->AddLineToPoint( x1,y1 ) ;
613a24f7 1078 }
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1079 path->CloseSubpath() ;
1080 m_graphicContext->DrawPath( path , fillStyle ) ;
1081 delete path ;
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1082}
1083
1084void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1085{
1086 wxCHECK_RET(Ok(), wxT("Invalid DC"));
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1087
1088 if ( m_logicalFunction != wxCOPY )
1089 return ;
1090
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1091 wxCoord xx = XLOG2DEVMAC(x);
1092 wxCoord yy = YLOG2DEVMAC(y);
1093 wxCoord ww = m_signX * XLOG2DEVREL(width);
1094 wxCoord hh = m_signY * YLOG2DEVREL(height);
1095 // CMB: draw nothing if transformed w or h is 0
1096 if (ww == 0 || hh == 0)
1097 return;
1098 // CMB: handle -ve width and/or height
1099 if (ww < 0)
1100 {
1101 ww = -ww;
1102 xx = xx - ww;
1103 }
1104 if (hh < 0)
1105 {
1106 hh = -hh;
1107 yy = yy - hh;
1108 }
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1109 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1110 path->AddRectangle(xx ,yy , ww , hh ) ;
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1111 m_graphicContext->DrawPath( path ) ;
1112 delete path ;
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1113}
1114
1115void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1116 wxCoord width, wxCoord height,
1117 double radius)
1118{
1119 wxCHECK_RET(Ok(), wxT("Invalid DC"));
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1120
1121 if ( m_logicalFunction != wxCOPY )
1122 return ;
1123
1124
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1125 if (radius < 0.0)
1126 radius = - radius * ((width < height) ? width : height);
1127 wxCoord xx = XLOG2DEVMAC(x);
1128 wxCoord yy = YLOG2DEVMAC(y);
1129 wxCoord ww = m_signX * XLOG2DEVREL(width);
1130 wxCoord hh = m_signY * YLOG2DEVREL(height);
1131 // CMB: draw nothing if transformed w or h is 0
1132 if (ww == 0 || hh == 0)
1133 return;
1134 // CMB: handle -ve width and/or height
1135 if (ww < 0)
1136 {
1137 ww = -ww;
1138 xx = xx - ww;
1139 }
1140 if (hh < 0)
1141 {
1142 hh = -hh;
1143 yy = yy - hh;
1144 }
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1145 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1146 CGContextRef ctx = mctx->GetNativeContext() ;
1147 AddRoundedRectToPath( ctx , CGRectMake( xx , yy , ww , hh ) , 16 ,16 ) ;
1148 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
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1149}
1150
1151void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1152{
1153 wxCHECK_RET(Ok(), wxT("Invalid DC"));
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1154
1155 if ( m_logicalFunction != wxCOPY )
1156 return ;
1157
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1158 wxCoord xx = XLOG2DEVMAC(x);
1159 wxCoord yy = YLOG2DEVMAC(y);
1160 wxCoord ww = m_signX * XLOG2DEVREL(width);
1161 wxCoord hh = m_signY * YLOG2DEVREL(height);
1162 // CMB: draw nothing if transformed w or h is 0
1163 if (ww == 0 || hh == 0)
1164 return;
1165 // CMB: handle -ve width and/or height
1166 if (ww < 0)
1167 {
1168 ww = -ww;
1169 xx = xx - ww;
1170 }
1171 if (hh < 0)
1172 {
1173 hh = -hh;
1174 yy = yy - hh;
1175 }
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1176
1177 wxMacCGContext* mctx = ((wxMacCGContext*) m_graphicContext) ;
1178 CGContextRef ctx = mctx->GetNativeContext() ;
613a24f7 1179 if ( width == height )
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1180 {
1181 CGContextBeginPath(ctx);
1182 CGContextAddArc(ctx ,
1183 xx + ww / 2,
1184 yy + hh / 2,
1185 ww / 2,
1186 0,
1187 2 * M_PI,
1188 0 ) ;
1189 CGContextClosePath(ctx);
613a24f7 1190
0d5eaa50 1191 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
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1192 }
1193 else
1194 {
1195 AddEllipticArcToPath( ctx , CGPointMake( xx + ww / 2 , yy + hh / 2 ) , ww / 2 , hh / 2 , 0 , 360) ;
1196 CGContextDrawPath( ctx , mctx->GetDrawingMode() ) ;
1197 }
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1198}
1199
1200bool wxDC::CanDrawBitmap(void) const
1201{
1202 return true ;
1203}
1204
1205bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1206 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1207 wxCoord xsrcMask, wxCoord ysrcMask )
1208{
1209 wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1210 wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit Illegal source DC"));
1211 if ( logical_func == wxNO_OP )
1212 return TRUE ;
1213 if (xsrcMask == -1 && ysrcMask == -1)
1214 {
1215 xsrcMask = xsrc; ysrcMask = ysrc;
1216 }
20b69855 1217
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1218 wxCoord yysrc = source->YLOG2DEVMAC(ysrc) ;
1219 wxCoord xxsrc = source->XLOG2DEVMAC(xsrc) ;
1220 wxCoord wwsrc = source->XLOG2DEVREL(width ) ;
1221 wxCoord hhsrc = source->YLOG2DEVREL(height) ;
1222
1223 wxCoord yydest = YLOG2DEVMAC(ydest) ;
1224 wxCoord xxdest = XLOG2DEVMAC(xdest) ;
1225 wxCoord wwdest = XLOG2DEVREL(width ) ;
1226 wxCoord hhdest = YLOG2DEVREL(height) ;
1227
20b69855 1228 wxMemoryDC* memdc = dynamic_cast<wxMemoryDC*>(source) ;
a8f234d2 1229 if ( memdc && logical_func == wxCOPY )
613a24f7 1230 {
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1231 wxBitmap blit = memdc->GetSelectedObject() ;
1232 wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") ) ;
1233
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1234 wxCoord bmpwidth = blit.GetWidth();
1235 wxCoord bmpheight = blit.GetHeight();
1236
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1237 if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc )
1238 {
1239 wwsrc = wxMin( wwsrc , bmpwidth - xxsrc ) ;
1240 hhsrc = wxMin( hhsrc , bmpheight - yysrc ) ;
1241 if ( wwsrc > 0 && hhsrc > 0 )
1242 {
1243 if ( xxsrc >= 0 && yysrc >= 0 )
1244 {
1245 wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc ) ;
1246 blit = blit.GetSubBitmap( subrect ) ;
1247 }
1248 else
1249 {
1250 // in this case we'd probably have to adjust the different coordinates, but
1251 // we have to find out proper contract first
1252 blit = wxNullBitmap ;
1253 }
1254 }
1255 else
1256 {
1257 blit = wxNullBitmap ;
1258 }
1259 }
1260 if ( blit.Ok() )
613a24f7 1261 {
b60f5ca5 1262 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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1263 CGImageRef image = (CGImageRef)( blit.CGImageCreate() ) ;
1264 HIRect r = CGRectMake( xxdest , yydest , wwdest , hhdest ) ;
1265 HIViewDrawCGImage( cg , &r , image ) ;
1266 CGImageRelease( image ) ;
613a24f7 1267 }
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1268
1269 }
1270 else
1271 {
68654a82 1272 /*
bc8f7aee 1273 CGContextRef cg = (wxMacCGContext*)(source->GetGraphicContext())->GetNativeContext() ;
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1274 void *data = CGBitmapContextGetData( cg ) ;
1275 */
a8f234d2 1276 return FALSE ; // wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts") ) ;
613a24f7 1277 }
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1278 return TRUE;
1279}
1280
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1281void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1282 double angle)
1283{
1284 wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText Invalid window dc") );
1285
1286 if ( str.Length() == 0 )
1287 return ;
1288
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1289 if ( m_logicalFunction != wxCOPY )
1290 return ;
1291
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1292 wxCHECK_RET( m_macATSUIStyle != NULL , wxT("No valid font set") ) ;
1293
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1294 OSStatus status = noErr ;
1295 ATSUTextLayout atsuLayout ;
1296 UniCharCount chars = str.Length() ;
1297 UniChar* ubuf = NULL ;
1298#if SIZEOF_WCHAR_T == 4
1299 wxMBConvUTF16BE converter ;
1300#if wxUSE_UNICODE
1301 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1302 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1303 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1304#else
1305 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1306 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1307 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1308 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1309#endif
1310 chars = unicharlen / 2 ;
1311#else
1312#if wxUSE_UNICODE
1313 ubuf = (UniChar*) str.wc_str() ;
1314#else
1315 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1316 chars = wxWcslen( wchar.data() ) ;
1317 ubuf = (UniChar*) wchar.data() ;
1318#endif
1319#endif
1320
1321 int drawX = XLOG2DEVMAC(x) ;
1322 int drawY = YLOG2DEVMAC(y) ;
1323
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1324 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1325 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1326
1327 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
613a24f7 1328
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1329 status = ::ATSUSetTransientFontMatching( atsuLayout , true ) ;
1330 wxASSERT_MSG( status == noErr , wxT("couldn't setup transient font matching") );
613a24f7 1331
28dd2407 1332 int iAngle = int( angle );
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1333 if ( abs(iAngle) > 0 )
1334 {
1335 Fixed atsuAngle = IntToFixed( iAngle ) ;
1336 ATSUAttributeTag atsuTags[] =
1337 {
1338 kATSULineRotationTag ,
1339 } ;
1340 ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1341 {
1342 sizeof( Fixed ) ,
1343 } ;
1344 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1345 {
1346 &atsuAngle ,
1347 } ;
1348 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1349 atsuTags, atsuSizes, atsuValues ) ;
1350 }
1351 {
b60f5ca5 1352 CGContextRef cgContext = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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1353 ATSUAttributeTag atsuTags[] =
1354 {
1355 kATSUCGContextTag ,
1356 } ;
1357 ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1358 {
1359 sizeof( CGContextRef ) ,
1360 } ;
1361 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1362 {
1363 &cgContext ,
1364 } ;
1365 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1366 atsuTags, atsuSizes, atsuValues ) ;
1367 }
1368
1369 ATSUTextMeasurement textBefore ;
1370 ATSUTextMeasurement textAfter ;
1371 ATSUTextMeasurement ascent ;
1372 ATSUTextMeasurement descent ;
1373
1374 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1375 &textBefore , &textAfter, &ascent , &descent );
1376 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1377
1378 Rect rect ;
1379
1380 if ( m_backgroundMode == wxSOLID )
1381 {
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1382 wxGraphicPath* path = m_graphicContext->CreatePath() ;
1383 path->MoveToPoint(
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1384 drawX ,
1385 drawY ) ;
20b69855 1386 path->AddLineToPoint(
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1387 (int) (drawX + sin(angle/RAD2DEG) * FixedToInt(ascent + descent)) ,
1388 (int) (drawY + cos(angle/RAD2DEG) * FixedToInt(ascent + descent)) ) ;
20b69855 1389 path->AddLineToPoint(
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1390 (int) (drawX + sin(angle/RAD2DEG) * FixedToInt(ascent + descent ) + cos(angle/RAD2DEG) * FixedToInt(textAfter)) ,
1391 (int) (drawY + cos(angle/RAD2DEG) * FixedToInt(ascent + descent) - sin(angle/RAD2DEG) * FixedToInt(textAfter)) ) ;
20b69855 1392 path->AddLineToPoint(
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1393 (int) (drawX + cos(angle/RAD2DEG) * FixedToInt(textAfter)) ,
1394 (int) (drawY - sin(angle/RAD2DEG) * FixedToInt(textAfter)) ) ;
613a24f7 1395
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1396 m_graphicContext->FillPath( path , m_textBackgroundColour ) ;
1397 delete path ;
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1398 }
1399
1400 drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1401 drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
20b69855 1402
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1403 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1404 IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1405 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1406
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1407 CGContextSaveGState(((wxMacCGContext*)(m_graphicContext))->GetNativeContext());
1408 CGContextTranslateCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), drawX, drawY);
1409 CGContextScaleCTM(((wxMacCGContext*)(m_graphicContext))->GetNativeContext(), 1, -1);
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1410 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1411 IntToFixed(0) , IntToFixed(0) );
1412 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
b60f5ca5 1413 CGContextRestoreGState( ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ) ;
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1414
1415 CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1416 CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1417
1418 ::ATSUDisposeTextLayout(atsuLayout);
1419#if SIZEOF_WCHAR_T == 4
1420 free( ubuf ) ;
1421#endif
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1422}
1423
1424void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1425{
1426 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText Invalid DC"));
1427 DoDrawRotatedText( strtext , x , y , 0.0 ) ;
1428}
1429
1430bool wxDC::CanGetTextExtent() const
1431{
1432 wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1433 return true ;
1434}
1435
1436void wxDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
1437 wxCoord *descent, wxCoord *externalLeading ,
1438 wxFont *theFont ) const
1439{
1440 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1441 wxFont formerFont = m_font ;
1442 if ( theFont )
1443 {
1444 // work around the constness
1445 *((wxFont*)(&m_font)) = *theFont ;
20b69855 1446 MacInstallFont() ;
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1447 }
1448
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1449 if ( str.Length() == 0 )
1450 return ;
1451
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1452 wxCHECK_RET( m_macATSUIStyle != NULL , wxT("No valid font set") ) ;
1453
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1454 OSStatus status = noErr ;
1455 ATSUTextLayout atsuLayout ;
1456 UniCharCount chars = str.Length() ;
1457 UniChar* ubuf = NULL ;
1458#if SIZEOF_WCHAR_T == 4
1459 wxMBConvUTF16BE converter ;
1460#if wxUSE_UNICODE
1461 size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
1462 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1463 converter.WC2MB( (char*) ubuf , str.wc_str(), unicharlen + 2 ) ;
1464#else
1465 const wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1466 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1467 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1468 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1469#endif
1470 chars = unicharlen / 2 ;
1471#else
1472#if wxUSE_UNICODE
1473 ubuf = (UniChar*) str.wc_str() ;
1474#else
1475 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1476 chars = wxWcslen( wchar.data() ) ;
1477 ubuf = (UniChar*) wchar.data() ;
1478#endif
1479#endif
1480
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1481
1482 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1483 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1484
1485 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the text") );
1486
1487 ATSUTextMeasurement textBefore ;
1488 ATSUTextMeasurement textAfter ;
1489 ATSUTextMeasurement textAscent ;
1490 ATSUTextMeasurement textDescent ;
1491
1492 status = ::ATSUGetUnjustifiedBounds( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1493 &textBefore , &textAfter, &textAscent , &textDescent );
1494
1495 if ( height )
1496 *height = YDEV2LOGREL( FixedToInt(textAscent + textDescent) ) ;
1497 if ( descent )
1498 *descent =YDEV2LOGREL( FixedToInt(textDescent) );
1499 if ( externalLeading )
1500 *externalLeading = 0 ;
1501 if ( width )
1502 *width = XDEV2LOGREL( FixedToInt(textAfter - textBefore) ) ;
1503
1504 ::ATSUDisposeTextLayout(atsuLayout);
1505#if SIZEOF_WCHAR_T == 4
1506 free( ubuf ) ;
1507#endif
1508 if ( theFont )
1509 {
1510 // work around the constness
1511 *((wxFont*)(&m_font)) = formerFont ;
20b69855 1512 MacInstallFont() ;
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1513 }
1514}
1515
1516
1517bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1518{
1519 wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1520
1521 widths.Empty();
1522 widths.Add(0, text.Length());
1523
1524 if (text.Length() == 0)
1525 return false;
1526
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1527 ATSUTextLayout atsuLayout ;
1528 UniCharCount chars = text.Length() ;
1529 UniChar* ubuf = NULL ;
1530#if SIZEOF_WCHAR_T == 4
1531 wxMBConvUTF16BE converter ;
1532#if wxUSE_UNICODE
1533 size_t unicharlen = converter.WC2MB( NULL , text.wc_str() , 0 ) ;
1534 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1535 converter.WC2MB( (char*) ubuf , text.wc_str(), unicharlen + 2 ) ;
1536#else
1537 const wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1538 size_t unicharlen = converter.WC2MB( NULL , wchar.data() , 0 ) ;
1539 ubuf = (UniChar*) malloc( unicharlen + 2 ) ;
1540 converter.WC2MB( (char*) ubuf , wchar.data() , unicharlen + 2 ) ;
1541#endif
1542 chars = unicharlen / 2 ;
1543#else
1544#if wxUSE_UNICODE
1545 ubuf = (UniChar*) text.wc_str() ;
1546#else
1547 wxWCharBuffer wchar = text.wc_str( wxConvLocal ) ;
1548 chars = wxWcslen( wchar.data() ) ;
1549 ubuf = (UniChar*) wchar.data() ;
1550#endif
1551#endif
1552
1553 OSStatus status;
1554 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) ubuf , 0 , chars , chars , 1 ,
1555 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1556
1557 for ( int pos = 0; pos < chars; pos ++ ) {
1558 unsigned long actualNumberOfBounds = 0;
1559 ATSTrapezoid glyphBounds;
1560
1561 // We get a single bound, since the text should only require one. If it requires more, there is an issue
1562 OSStatus result;
1563 result = ATSUGetGlyphBounds( atsuLayout, 0, 0, kATSUFromTextBeginning, pos + 1, kATSUseDeviceOrigins, 1, &glyphBounds, &actualNumberOfBounds );
1564 if (result != noErr || actualNumberOfBounds != 1 )
1565 {
1566 return false;
1567 }
1568
1569 widths[pos] = XDEV2LOGREL(FixedToInt( glyphBounds.upperRight.x - glyphBounds.upperLeft.x ));
1570 //unsigned char uch = s[i];
1571
1572 }
1573 ::ATSUDisposeTextLayout(atsuLayout);
1574 return true;
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1575}
1576
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1577wxCoord wxDC::GetCharWidth(void) const
1578{
1579 wxCoord width ;
1580 DoGetTextExtent(wxT("g") , &width , NULL , NULL , NULL , NULL ) ;
1581 return width ;
1582}
1583
1584wxCoord wxDC::GetCharHeight(void) const
1585{
1586 wxCoord height ;
1587 DoGetTextExtent(wxT("g") , NULL , &height , NULL , NULL , NULL ) ;
1588 return height ;
1589}
1590
1591void wxDC::Clear(void)
1592{
1593 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1594
1595 if ( m_backgroundBrush.Ok() && m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1596 {
b014adcc 1597 HIRect rect = CGRectMake( -10000 , -10000 , 20000 , 20000 ) ;
b60f5ca5 1598 CGContextRef cg = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
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1599 switch( m_backgroundBrush.MacGetBrushKind() )
1600 {
1601 case kwxMacBrushTheme :
1602 {
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1603#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1604 if ( HIThemeSetFill != 0 )
1605 {
1606 HIThemeSetFill( m_backgroundBrush.MacGetTheme() , cg ) ;
1607 CGContextFillRect(cg, rect);
1608
1609 }
1610 else
1611#endif
1612 {
1613 RGBColor color;
1614 GetThemeBrushAsColor( m_backgroundBrush.MacGetTheme() , 32, true, &color );
1615 CGContextSetRGBFillColor( cg , (float) color.red / 65536,
1616 (float) color.green / 65536, (float) color.blue / 65536, 1 );
1617 CGContextFillRect( cg, rect );
1618 }
1619 // reset to normal value
1620 RGBColor col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
1621 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
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1622 }
1623 break ;
1624 case kwxMacBrushThemeBackground :
1625 {
a63b4755 1626 wxFAIL_MSG( wxT("There shouldn't be theme backgrounds under Quartz") ) ;
b014adcc 1627#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1688bb38 1628 if ( UMAGetSystemVersion() >= 0x1030 )
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1629 {
1630 HIThemeBackgroundDrawInfo drawInfo ;
1631 drawInfo.version = 0 ;
1632 drawInfo.state = kThemeStateActive ;
1633 drawInfo.kind = m_backgroundBrush.MacGetThemeBackground(NULL) ;
1634 if ( drawInfo.kind == kThemeBackgroundMetal )
a63b4755 1635 HIThemeDrawBackground( &rect , &drawInfo, cg ,
b014adcc 1636 kHIThemeOrientationNormal) ;
a63b4755 1637 HIThemeApplyBackground( &rect , &drawInfo, cg ,
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1638 kHIThemeOrientationNormal) ;
1639 }
a63b4755 1640 else
b014adcc 1641#endif
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1642 {
1643 }
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1644 }
1645 break ;
1646 case kwxMacBrushColour :
1647 {
1648 RGBColor col = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) ;
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1649 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
1650 CGContextFillRect(cg, rect);
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1651
1652 // reset to normal value
1653 col = MAC_WXCOLORREF( GetBrush().GetColour().GetPixel() ) ;
a63b4755 1654 CGContextSetRGBFillColor( cg , col.red / 65536.0 , col.green / 65536.0 , col.blue / 65536.0 , 1.0 ) ;
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1655 }
1656 break ;
1657 }
1658 }
1659}
1660
1661void wxDC::MacInstallFont() const
1662{
1663 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1664
20b69855 1665 if( m_macATSUIStyle )
613a24f7 1666 {
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1667 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
1668 m_macATSUIStyle = NULL ;
613a24f7 1669 }
20b69855 1670
68654a82 1671 if ( m_font.Ok() )
613a24f7 1672 {
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1673 OSStatus status = noErr ;
1674 status = ATSUCreateAndCopyStyle( (ATSUStyle) m_font.MacGetATSUStyle() , (ATSUStyle*) &m_macATSUIStyle ) ;
1675 wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
20b69855 1676
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1677 Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.MacGetFontSize()) ) ;
1678 RGBColor atsuColor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ;
1679 ATSUAttributeTag atsuTags[] =
1680 {
1681 kATSUSizeTag ,
1682 kATSUColorTag ,
1683 } ;
1684 ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1685 {
1686 sizeof( Fixed ) ,
1687 sizeof( RGBColor ) ,
1688 } ;
1689 // Boolean kTrue = true ;
1690 // Boolean kFalse = false ;
613a24f7 1691
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1692 // ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1693 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1694 {
1695 &atsuSize ,
1696 &atsuColor ,
1697 } ;
1698 status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1699 atsuTags, atsuSizes, atsuValues);
1700
1701 wxASSERT_MSG( status == noErr , wxT("couldn't Modify ATSU style") ) ;
1702 }
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1703}
1704
1705// ---------------------------------------------------------------------------
1706// coordinates transformations
1707// ---------------------------------------------------------------------------
1708
1709wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
1710{
1711 return ((wxDC *)this)->XDEV2LOG(x);
1712}
1713
1714wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
1715{
1716 return ((wxDC *)this)->YDEV2LOG(y);
1717}
1718
1719wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
1720{
1721 return ((wxDC *)this)->XDEV2LOGREL(x);
1722}
1723
1724wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
1725{
1726 return ((wxDC *)this)->YDEV2LOGREL(y);
1727}
1728
1729wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
1730{
1731 return ((wxDC *)this)->XLOG2DEV(x);
1732}
1733
1734wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
1735{
1736 return ((wxDC *)this)->YLOG2DEV(y);
1737}
1738
1739wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
1740{
1741 return ((wxDC *)this)->XLOG2DEVREL(x);
1742}
1743
1744wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
1745{
1746 return ((wxDC *)this)->YLOG2DEVREL(y);
1747}
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1748
1749#endif // wxMAC_USE_CORE_GRAPHICS
1750