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[wxWidgets.git] / src / mac / classic / dc.cpp
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
16 #include "wx/dc.h"
17 #include "wx/app.h"
18 #include "wx/mac/uma.h"
19 #include "wx/dcmemory.h"
20 #include "wx/dcprint.h"
21 #include "wx/region.h"
22 #include "wx/image.h"
23 #include "wx/log.h"
24
25 #if __MSL__ >= 0x6000
26 namespace std {}
27 using namespace std ;
28 #endif
29
30 #include "wx/mac/private.h"
31 #include <ATSUnicode.h>
32 #include <TextCommon.h>
33 #include <TextEncodingConverter.h>
34 #include <FixMath.h>
35
36 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
37
38 //-----------------------------------------------------------------------------
39 // constants
40 //-----------------------------------------------------------------------------
41
42 const double RAD2DEG = 180.0 / M_PI;
43 const short kEmulatedMode = -1 ;
44 const short kUnsupportedMode = -2 ;
45
46 extern TECObjectRef s_TECNativeCToUnicode ;
47
48 // set to 0 if problems arise
49 #define wxMAC_EXPERIMENTAL_DC 1
50
51 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
52 m_ph( (GrafPtr) dc->m_macPort )
53 {
54 wxASSERT( dc->Ok() ) ;
55 m_dc = dc ;
56 dc->MacSetupPort(&m_ph) ;
57 }
58 wxMacPortSetter::~wxMacPortSetter()
59 {
60 m_dc->MacCleanupPort(&m_ph) ;
61 }
62
63 #if wxMAC_EXPERIMENTAL_DC
64 class wxMacFastPortSetter
65 {
66 public :
67 wxMacFastPortSetter( const wxDC *dc )
68 {
69 wxASSERT( dc->Ok() ) ;
70 GetPort( &m_oldPort ) ;
71 SetPort( (GrafPtr) dc->m_macPort ) ;
72 m_clipRgn = NewRgn() ;
73 GetClip( m_clipRgn ) ;
74 m_dc = dc ;
75 dc->MacSetupPort( NULL ) ;
76 }
77 ~wxMacFastPortSetter()
78 {
79 SetPort( (GrafPtr) m_dc->m_macPort ) ;
80 SetClip( m_clipRgn ) ;
81 SetPort( m_oldPort ) ;
82 m_dc->MacCleanupPort( NULL ) ;
83 DisposeRgn( m_clipRgn ) ;
84 }
85 private :
86 RgnHandle m_clipRgn ;
87 GrafPtr m_oldPort ;
88 const wxDC* m_dc ;
89 } ;
90
91 #else
92 typedef wxMacPortSetter wxMacFastPortSetter ;
93 #endif
94
95 #if 0
96
97 // start moving to a dual implementation for QD and CGContextRef
98
99 class wxMacGraphicsContext
100 {
101 public :
102 void DrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) = 0 ;
103 void SetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) = 0 ;
104 void SetClippingRegion( const wxRegion &region ) = 0 ;
105 void DestroyClippingRegion() = 0 ;
106 void SetTextForeground( const wxColour &col ) = 0 ;
107 void SetTextBackground( const wxColour &col ) = 0 ;
108 void SetLogicalScale( double x , double y ) = 0 ;
109 void SetUserScale( double x , double y ) = 0;
110 } ;
111
112 class wxMacQuickDrawContext : public wxMacGraphicsContext
113 {
114 public :
115 } ;
116
117 #endif
118
119 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win )
120 {
121 m_formerClip = NewRgn() ;
122 m_newClip = NewRgn() ;
123 GetClip( m_formerClip ) ;
124
125 if ( win )
126 {
127 #if 0
128 // this clipping area was set to the parent window's drawing area, lead to problems
129 // with MacOSX controls drawing outside their wx' rectangle
130 RgnHandle insidergn = NewRgn() ;
131 int x = 0 , y = 0;
132 wxWindow *parent = win->GetParent() ;
133 parent->MacWindowToRootWindow( &x,&y ) ;
134 wxSize size = parent->GetSize() ;
135 SetRectRgn( insidergn , parent->MacGetLeftBorderSize() , parent->MacGetTopBorderSize() ,
136 size.x - parent->MacGetRightBorderSize(),
137 size.y - parent->MacGetBottomBorderSize()) ;
138 CopyRgn( (RgnHandle) parent->MacGetVisibleRegion(false).GetWXHRGN() , m_newClip ) ;
139 SectRgn( m_newClip , insidergn , m_newClip ) ;
140 OffsetRgn( m_newClip , x , y ) ;
141 SetClip( m_newClip ) ;
142 DisposeRgn( insidergn ) ;
143 #else
144 int x = 0 , y = 0;
145 win->MacWindowToRootWindow( &x,&y ) ;
146 CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion().GetWXHRGN() , m_newClip ) ;
147 OffsetRgn( m_newClip , x , y ) ;
148 SetClip( m_newClip ) ;
149 #endif
150 }
151 }
152
153 wxMacWindowClipper::~wxMacWindowClipper()
154 {
155 SetClip( m_formerClip ) ;
156 DisposeRgn( m_newClip ) ;
157 DisposeRgn( m_formerClip ) ;
158 }
159
160 //-----------------------------------------------------------------------------
161 // Local functions
162 //-----------------------------------------------------------------------------
163 static inline double dmin(double a, double b) { return a < b ? a : b; }
164 static inline double dmax(double a, double b) { return a > b ? a : b; }
165 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
166
167 //-----------------------------------------------------------------------------
168 // wxDC
169 //-----------------------------------------------------------------------------
170 // this function emulates all wx colour manipulations, used to verify the implementation
171 // by setting the mode in the blitting functions to kEmulatedMode
172 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor ) ;
173
174 void wxMacCalculateColour( int logical_func , const RGBColor &srcColor , RGBColor &dstColor )
175 {
176 switch ( logical_func )
177 {
178 case wxAND: // src AND dst
179 dstColor.red = dstColor.red & srcColor.red ;
180 dstColor.green = dstColor.green & srcColor.green ;
181 dstColor.blue = dstColor.blue & srcColor.blue ;
182 break ;
183 case wxAND_INVERT: // (NOT src) AND dst
184 dstColor.red = dstColor.red & ~srcColor.red ;
185 dstColor.green = dstColor.green & ~srcColor.green ;
186 dstColor.blue = dstColor.blue & ~srcColor.blue ;
187 break ;
188 case wxAND_REVERSE:// src AND (NOT dst)
189 dstColor.red = ~dstColor.red & srcColor.red ;
190 dstColor.green = ~dstColor.green & srcColor.green ;
191 dstColor.blue = ~dstColor.blue & srcColor.blue ;
192 break ;
193 case wxCLEAR: // 0
194 dstColor.red = 0 ;
195 dstColor.green = 0 ;
196 dstColor.blue = 0 ;
197 break ;
198 case wxCOPY: // src
199 dstColor.red = srcColor.red ;
200 dstColor.green = srcColor.green ;
201 dstColor.blue = srcColor.blue ;
202 break ;
203 case wxEQUIV: // (NOT src) XOR dst
204 dstColor.red = dstColor.red ^ ~srcColor.red ;
205 dstColor.green = dstColor.green ^ ~srcColor.green ;
206 dstColor.blue = dstColor.blue ^ ~srcColor.blue ;
207 break ;
208 case wxINVERT: // NOT dst
209 dstColor.red = ~dstColor.red ;
210 dstColor.green = ~dstColor.green ;
211 dstColor.blue = ~dstColor.blue ;
212 break ;
213 case wxNAND: // (NOT src) OR (NOT dst)
214 dstColor.red = ~dstColor.red | ~srcColor.red ;
215 dstColor.green = ~dstColor.green | ~srcColor.green ;
216 dstColor.blue = ~dstColor.blue | ~srcColor.blue ;
217 break ;
218 case wxNOR: // (NOT src) AND (NOT dst)
219 dstColor.red = ~dstColor.red & ~srcColor.red ;
220 dstColor.green = ~dstColor.green & ~srcColor.green ;
221 dstColor.blue = ~dstColor.blue & ~srcColor.blue ;
222 break ;
223 case wxNO_OP: // dst
224 break ;
225 case wxOR: // src OR dst
226 dstColor.red = dstColor.red | srcColor.red ;
227 dstColor.green = dstColor.green | srcColor.green ;
228 dstColor.blue = dstColor.blue | srcColor.blue ;
229 break ;
230 case wxOR_INVERT: // (NOT src) OR dst
231 dstColor.red = dstColor.red | ~srcColor.red ;
232 dstColor.green = dstColor.green | ~srcColor.green ;
233 dstColor.blue = dstColor.blue | ~srcColor.blue ;
234 break ;
235 case wxOR_REVERSE: // src OR (NOT dst)
236 dstColor.red = ~dstColor.red | srcColor.red ;
237 dstColor.green = ~dstColor.green | srcColor.green ;
238 dstColor.blue = ~dstColor.blue | srcColor.blue ;
239 break ;
240 case wxSET: // 1
241 dstColor.red = 0xFFFF ;
242 dstColor.green = 0xFFFF ;
243 dstColor.blue = 0xFFFF ;
244 break ;
245 case wxSRC_INVERT: // (NOT src)
246 dstColor.red = ~srcColor.red ;
247 dstColor.green = ~srcColor.green ;
248 dstColor.blue = ~srcColor.blue ;
249 break ;
250 case wxXOR: // src XOR dst
251 dstColor.red = dstColor.red ^ srcColor.red ;
252 dstColor.green = dstColor.green ^ srcColor.green ;
253 dstColor.blue = dstColor.blue ^ srcColor.blue ;
254 break ;
255 }
256 }
257
258 wxDC::wxDC()
259 {
260 m_ok = false;
261 m_colour = true;
262 m_mm_to_pix_x = mm2pt;
263 m_mm_to_pix_y = mm2pt;
264 m_internalDeviceOriginX = 0;
265 m_internalDeviceOriginY = 0;
266 m_externalDeviceOriginX = 0;
267 m_externalDeviceOriginY = 0;
268 m_logicalScaleX = 1.0;
269 m_logicalScaleY = 1.0;
270 m_userScaleX = 1.0;
271 m_userScaleY = 1.0;
272 m_scaleX = 1.0;
273 m_scaleY = 1.0;
274 m_needComputeScaleX = false;
275 m_needComputeScaleY = false;
276 m_macPort = NULL ;
277 m_macMask = NULL ;
278 m_ok = false ;
279 m_macFontInstalled = false ;
280 m_macBrushInstalled = false ;
281 m_macPenInstalled = false ;
282 m_macLocalOrigin.x = m_macLocalOrigin.y = 0 ;
283 m_macBoundaryClipRgn = NewRgn() ;
284 m_macCurrentClipRgn = NewRgn() ;
285 SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
286 SetRectRgn( (RgnHandle) m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
287 m_pen = *wxBLACK_PEN;
288 m_font = *wxNORMAL_FONT;
289 m_brush = *wxWHITE_BRUSH;
290 #ifdef __WXDEBUG__
291 // needed to debug possible errors with two active drawing methods at the same time on
292 // the same DC
293 m_macCurrentPortStateHelper = NULL ;
294 #endif
295 m_macATSUIStyle = NULL ;
296 m_macAliasWasEnabled = false;
297 m_macForegroundPixMap = NULL ;
298 m_macBackgroundPixMap = NULL ;
299 }
300
301 wxDC::~wxDC(void)
302 {
303 DisposeRgn( (RgnHandle) m_macBoundaryClipRgn ) ;
304 DisposeRgn( (RgnHandle) m_macCurrentClipRgn ) ;
305 }
306
307 void wxDC::MacSetupPort(wxMacPortStateHelper* help) const
308 {
309 #ifdef __WXDEBUG__
310 wxASSERT( m_macCurrentPortStateHelper == NULL ) ;
311 m_macCurrentPortStateHelper = help ;
312 #endif
313 SetClip( (RgnHandle) m_macCurrentClipRgn);
314 #if ! wxMAC_EXPERIMENTAL_DC
315 m_macFontInstalled = false ;
316 m_macBrushInstalled = false ;
317 m_macPenInstalled = false ;
318 #endif
319 }
320 void wxDC::MacCleanupPort(wxMacPortStateHelper* help) const
321 {
322 #ifdef __WXDEBUG__
323 wxASSERT( m_macCurrentPortStateHelper == help ) ;
324 m_macCurrentPortStateHelper = NULL ;
325 #endif
326 if( m_macATSUIStyle )
327 {
328 ::ATSUDisposeStyle((ATSUStyle)m_macATSUIStyle);
329 m_macATSUIStyle = NULL ;
330 }
331 if ( m_macAliasWasEnabled )
332 {
333 SetAntiAliasedTextEnabled(m_macFormerAliasState, m_macFormerAliasSize);
334 m_macAliasWasEnabled = false ;
335 }
336 if ( m_macForegroundPixMap )
337 {
338 Pattern blackColor ;
339 ::PenPat(GetQDGlobalsBlack(&blackColor));
340 DisposePixPat( (PixPatHandle) m_macForegroundPixMap ) ;
341 m_macForegroundPixMap = NULL ;
342 }
343 if ( m_macBackgroundPixMap )
344 {
345 Pattern whiteColor ;
346 ::BackPat(GetQDGlobalsWhite(&whiteColor));
347 DisposePixPat( (PixPatHandle) m_macBackgroundPixMap ) ;
348 m_macBackgroundPixMap = NULL ;
349 }
350 }
351
352 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
353 {
354 wxCHECK_RET( Ok(), wxT("invalid window dc") );
355 wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
356 wxMacFastPortSetter helper(this) ;
357 wxCoord xx = XLOG2DEVMAC(x);
358 wxCoord yy = YLOG2DEVMAC(y);
359 wxCoord w = bmp.GetWidth();
360 wxCoord h = bmp.GetHeight();
361 wxCoord ww = XLOG2DEVREL(w);
362 wxCoord hh = YLOG2DEVREL(h);
363 // Set up drawing mode
364 short mode = (m_logicalFunction == wxCOPY ? srcCopy :
365 //m_logicalFunction == wxCLEAR ? WHITENESS :
366 //m_logicalFunction == wxSET ? BLACKNESS :
367 m_logicalFunction == wxINVERT ? hilite :
368 //m_logicalFunction == wxAND ? MERGECOPY :
369 m_logicalFunction == wxOR ? srcOr :
370 m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
371 m_logicalFunction == wxXOR ? srcXor :
372 m_logicalFunction == wxOR_REVERSE ? notSrcOr :
373 //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
374 //m_logicalFunction == wxSRC_OR ? srcOr :
375 //m_logicalFunction == wxSRC_AND ? SRCAND :
376 srcCopy );
377 if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
378 Rect bitmaprect = { 0 , 0 , hh, ww };
379 ::OffsetRect( &bitmaprect, xx, yy ) ;
380 ::DrawPicture( (PicHandle) bmp.GetPict(), &bitmaprect ) ;
381 }
382 else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
383 {
384 GWorldPtr bmapworld = MAC_WXHBITMAP( bmp.GetHBITMAP() );
385 PixMapHandle bmappixels ;
386 // Set foreground and background colours (for bitmaps depth = 1)
387 if(bmp.GetDepth() == 1)
388 {
389 RGBColor fore = MAC_WXCOLORREF(m_textForegroundColour.GetPixel());
390 RGBColor back = MAC_WXCOLORREF(m_textBackgroundColour.GetPixel());
391 RGBForeColor(&fore);
392 RGBBackColor(&back);
393 }
394 else
395 {
396 RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
397 RGBColor black = { 0,0,0} ;
398 RGBForeColor( &black ) ;
399 RGBBackColor( &white ) ;
400 }
401 bmappixels = GetGWorldPixMap( bmapworld ) ;
402 wxCHECK_RET(LockPixels(bmappixels),
403 wxT("DoDrawBitmap: Unable to lock pixels"));
404 Rect source = { 0, 0, h, w };
405 Rect dest = { yy, xx, yy + hh, xx + ww };
406 if ( useMask && bmp.GetMask() )
407 {
408 if( LockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap()))))
409 {
410 CopyDeepMask
411 (
412 GetPortBitMapForCopyBits(bmapworld),
413 GetPortBitMapForCopyBits(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())),
414 GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
415 &source, &source, &dest, mode, NULL
416 );
417 UnlockPixels(GetGWorldPixMap(MAC_WXHBITMAP(bmp.GetMask()->GetMaskBitmap())));
418 }
419 }
420 else {
421 CopyBits( GetPortBitMapForCopyBits( bmapworld ),
422 GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ),
423 &source, &dest, mode, NULL ) ;
424 }
425 UnlockPixels( bmappixels ) ;
426 }
427 else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
428 {
429 Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
430 OffsetRect( &bitmaprect, xx, yy ) ;
431 PlotCIconHandle( &bitmaprect , atNone , ttNone , MAC_WXHICON(bmp.GetHICON()) ) ;
432 }
433 m_macPenInstalled = false ;
434 m_macBrushInstalled = false ;
435 m_macFontInstalled = false ;
436 }
437
438 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
439 {
440 wxCHECK_RET(Ok(), wxT("Invalid dc wxDC::DoDrawIcon"));
441 wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
442 DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
443 }
444
445 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
446 {
447 wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion Invalid DC"));
448 wxCoord xx, yy, ww, hh;
449 xx = XLOG2DEVMAC(x);
450 yy = YLOG2DEVMAC(y);
451 ww = XLOG2DEVREL(width);
452 hh = YLOG2DEVREL(height);
453 SetRectRgn( (RgnHandle) m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
454 SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
455 if( m_clipping )
456 {
457 m_clipX1 = wxMax( m_clipX1 , xx );
458 m_clipY1 = wxMax( m_clipY1 , yy );
459 m_clipX2 = wxMin( m_clipX2, (xx + ww));
460 m_clipY2 = wxMin( m_clipY2, (yy + hh));
461 }
462 else
463 {
464 m_clipping = true;
465 m_clipX1 = xx;
466 m_clipY1 = yy;
467 m_clipX2 = xx + ww;
468 m_clipY2 = yy + hh;
469 }
470 }
471
472 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
473 {
474 wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
475 if (region.Empty())
476 {
477 DestroyClippingRegion();
478 return;
479 }
480 wxMacFastPortSetter helper(this) ;
481 wxCoord x, y, w, h;
482 region.GetBox( x, y, w, h );
483 wxCoord xx, yy, ww, hh;
484 xx = XLOG2DEVMAC(x);
485 yy = YLOG2DEVMAC(y);
486 ww = XLOG2DEVREL(w);
487 hh = YLOG2DEVREL(h);
488 // if we have a scaling that we cannot map onto native regions
489 // we must use the box
490 if ( ww != w || hh != h )
491 {
492 wxDC::DoSetClippingRegion( x, y, w, h );
493 }
494 else
495 {
496 CopyRgn( (RgnHandle) region.GetWXHRGN() , (RgnHandle) m_macCurrentClipRgn ) ;
497 if ( xx != x || yy != y )
498 {
499 OffsetRgn( (RgnHandle) m_macCurrentClipRgn , xx - x , yy - y ) ;
500 }
501 SectRgn( (RgnHandle) m_macCurrentClipRgn , (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
502 if( m_clipping )
503 {
504 m_clipX1 = wxMax( m_clipX1 , xx );
505 m_clipY1 = wxMax( m_clipY1 , yy );
506 m_clipX2 = wxMin( m_clipX2, (xx + ww));
507 m_clipY2 = wxMin( m_clipY2, (yy + hh));
508 }
509 else
510 {
511 m_clipping = true;
512 m_clipX1 = xx;
513 m_clipY1 = yy;
514 m_clipX2 = xx + ww;
515 m_clipY2 = yy + hh;
516 }
517 }
518 }
519
520 void wxDC::DestroyClippingRegion()
521 {
522 wxMacFastPortSetter helper(this) ;
523 CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
524 ResetClipping();
525 }
526
527 void wxDC::DoGetSizeMM( int* width, int* height ) const
528 {
529 int w = 0;
530 int h = 0;
531 GetSize( &w, &h );
532 *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
533 *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
534 }
535
536 void wxDC::SetTextForeground( const wxColour &col )
537 {
538 wxCHECK_RET(Ok(), wxT("Invalid DC"));
539 m_textForegroundColour = col;
540 m_macFontInstalled = false ;
541 }
542
543 void wxDC::SetTextBackground( const wxColour &col )
544 {
545 wxCHECK_RET(Ok(), wxT("Invalid DC"));
546 m_textBackgroundColour = col;
547 m_macFontInstalled = false ;
548 }
549
550 void wxDC::SetMapMode( int mode )
551 {
552 switch (mode)
553 {
554 case wxMM_TWIPS:
555 SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
556 break;
557 case wxMM_POINTS:
558 SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
559 break;
560 case wxMM_METRIC:
561 SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
562 break;
563 case wxMM_LOMETRIC:
564 SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
565 break;
566 default:
567 case wxMM_TEXT:
568 SetLogicalScale( 1.0, 1.0 );
569 break;
570 }
571 if (mode != wxMM_TEXT)
572 {
573 m_needComputeScaleX = true;
574 m_needComputeScaleY = true;
575 }
576 }
577
578 void wxDC::SetUserScale( double x, double y )
579 {
580 // allow negative ? -> no
581 m_userScaleX = x;
582 m_userScaleY = y;
583 ComputeScaleAndOrigin();
584 }
585
586 void wxDC::SetLogicalScale( double x, double y )
587 {
588 // allow negative ?
589 m_logicalScaleX = x;
590 m_logicalScaleY = y;
591 ComputeScaleAndOrigin();
592 }
593
594 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
595 {
596 m_logicalOriginX = x * m_signX; // is this still correct ?
597 m_logicalOriginY = y * m_signY;
598 ComputeScaleAndOrigin();
599 }
600
601 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
602 {
603 m_externalDeviceOriginX = x;
604 m_externalDeviceOriginY = y;
605 ComputeScaleAndOrigin();
606 }
607
608 #if 0
609 void wxDC::SetInternalDeviceOrigin( long x, long y )
610 {
611 m_internalDeviceOriginX = x;
612 m_internalDeviceOriginY = y;
613 ComputeScaleAndOrigin();
614 }
615 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
616 {
617 if (x) *x = m_internalDeviceOriginX;
618 if (y) *y = m_internalDeviceOriginY;
619 }
620 #endif
621
622 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
623 {
624 m_signX = (xLeftRight ? 1 : -1);
625 m_signY = (yBottomUp ? -1 : 1);
626 ComputeScaleAndOrigin();
627 }
628
629 wxSize wxDC::GetPPI() const
630 {
631 return wxSize(72, 72);
632 }
633
634 int wxDC::GetDepth() const
635 {
636 if ( IsPortColor( (CGrafPtr) m_macPort ) )
637 {
638 return ( (**GetPortPixMap( (CGrafPtr) m_macPort)).pixelSize ) ;
639 }
640 return 1 ;
641 }
642
643 void wxDC::ComputeScaleAndOrigin()
644 {
645 // CMB: copy scale to see if it changes
646 double origScaleX = m_scaleX;
647 double origScaleY = m_scaleY;
648 m_scaleX = m_logicalScaleX * m_userScaleX;
649 m_scaleY = m_logicalScaleY * m_userScaleY;
650 m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
651 m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
652 // CMB: if scale has changed call SetPen to recalulate the line width
653 if (m_scaleX != origScaleX || m_scaleY != origScaleY)
654 {
655 // this is a bit artificial, but we need to force wxDC to think
656 // the pen has changed
657 wxPen* pen = & GetPen();
658 wxPen tempPen;
659 m_pen = tempPen;
660 SetPen(* pen);
661 }
662 }
663
664 void wxDC::SetPalette( const wxPalette& palette )
665 {
666 }
667
668 void wxDC::SetBackgroundMode( int mode )
669 {
670 m_backgroundMode = mode ;
671 }
672
673 void wxDC::SetFont( const wxFont &font )
674 {
675 m_font = font;
676 m_macFontInstalled = false ;
677 }
678
679 void wxDC::SetPen( const wxPen &pen )
680 {
681 if ( m_pen == pen )
682 return ;
683 m_pen = pen;
684 m_macPenInstalled = false ;
685 }
686
687 void wxDC::SetBrush( const wxBrush &brush )
688 {
689 if (m_brush == brush)
690 return;
691 m_brush = brush;
692 m_macBrushInstalled = false ;
693 }
694
695 void wxDC::SetBackground( const wxBrush &brush )
696 {
697 if (m_backgroundBrush == brush)
698 return;
699 m_backgroundBrush = brush;
700 if (!m_backgroundBrush.Ok())
701 return;
702 m_macBrushInstalled = false ;
703 }
704
705 void wxDC::SetLogicalFunction( int function )
706 {
707 if (m_logicalFunction == function)
708 return;
709 m_logicalFunction = function ;
710 m_macFontInstalled = false ;
711 m_macBrushInstalled = false ;
712 m_macPenInstalled = false ;
713 }
714
715 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
716 const wxColour & col, int style);
717
718 bool wxDC::DoFloodFill(wxCoord x, wxCoord y,
719 const wxColour& col, int style)
720 {
721 return wxDoFloodFill(this, x, y, col, style);
722 }
723
724 bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
725 {
726 wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel Invalid DC") );
727 wxMacFastPortSetter helper(this) ;
728 RGBColor colour;
729 GetCPixel( XLOG2DEVMAC(x), YLOG2DEVMAC(y), &colour );
730 // Convert from Mac colour to wx
731 col->Set( colour.red >> 8,
732 colour.green >> 8,
733 colour.blue >> 8);
734 return true ;
735 }
736
737 void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
738 {
739 wxCHECK_RET(Ok(), wxT("Invalid DC"));
740 wxMacFastPortSetter helper(this) ;
741 if (m_pen.GetStyle() != wxTRANSPARENT)
742 {
743 MacInstallPen() ;
744 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
745 m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
746 wxCoord xx1 = XLOG2DEVMAC(x1) - offset;
747 wxCoord yy1 = YLOG2DEVMAC(y1) - offset;
748 wxCoord xx2 = XLOG2DEVMAC(x2) - offset;
749 wxCoord yy2 = YLOG2DEVMAC(y2) - offset;
750 if ((m_pen.GetCap() == wxCAP_ROUND) &&
751 (m_pen.GetWidth() <= 1))
752 {
753 // Implement LAST_NOT for MAC at least for
754 // orthogonal lines. RR.
755 if (xx1 == xx2)
756 {
757 if (yy1 < yy2)
758 yy2--;
759 if (yy1 > yy2)
760 yy2++;
761 }
762 if (yy1 == yy2)
763 {
764 if (xx1 < xx2)
765 xx2--;
766 if (xx1 > xx2)
767 xx2++;
768 }
769 }
770 ::MoveTo(xx1, yy1);
771 ::LineTo(xx2, yy2);
772 }
773 }
774
775 void wxDC::DoCrossHair( wxCoord x, wxCoord y )
776 {
777 wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair Invalid window dc") );
778 wxMacFastPortSetter helper(this) ;
779 if (m_pen.GetStyle() != wxTRANSPARENT)
780 {
781 int w = 0;
782 int h = 0;
783 GetSize( &w, &h );
784 wxCoord xx = XLOG2DEVMAC(x);
785 wxCoord yy = YLOG2DEVMAC(y);
786 MacInstallPen();
787 ::MoveTo( XLOG2DEVMAC(0), yy );
788 ::LineTo( XLOG2DEVMAC(w), yy );
789 ::MoveTo( xx, YLOG2DEVMAC(0) );
790 ::LineTo( xx, YLOG2DEVMAC(h) );
791 CalcBoundingBox(x, y);
792 CalcBoundingBox(x+w, y+h);
793 }
794 }
795
796 /*
797 * To draw arcs properly the angles need to be converted from the WX style:
798 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
799 * a normal axis on paper).
800 * TO
801 * the Mac style:
802 * Angles start on the +ve y axis and go clockwise.
803 */
804
805 static double wxConvertWXangleToMACangle(double angle)
806 {
807 double newAngle = 90 - angle ;
808 if ( newAngle < 0 )
809 newAngle += 360 ;
810 return newAngle ;
811 }
812
813 void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
814 wxCoord x2, wxCoord y2,
815 wxCoord xc, wxCoord yc )
816 {
817 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc Invalid DC"));
818 wxMacFastPortSetter helper(this) ;
819 wxCoord xx1 = XLOG2DEVMAC(x1);
820 wxCoord yy1 = YLOG2DEVMAC(y1);
821 wxCoord xx2 = XLOG2DEVMAC(x2);
822 wxCoord yy2 = YLOG2DEVMAC(y2);
823 wxCoord xxc = XLOG2DEVMAC(xc);
824 wxCoord yyc = YLOG2DEVMAC(yc);
825 double dx = xx1 - xxc;
826 double dy = yy1 - yyc;
827 double radius = sqrt((double)(dx*dx+dy*dy));
828 wxCoord rad = (wxCoord)radius;
829 double radius1, radius2;
830 if (xx1 == xx2 && yy1 == yy2)
831 {
832 radius1 = 0.0;
833 radius2 = 360.0;
834 }
835 else if (radius == 0.0)
836 {
837 radius1 = radius2 = 0.0;
838 }
839 else
840 {
841 radius1 = (xx1 - xxc == 0) ?
842 (yy1 - yyc < 0) ? 90.0 : -90.0 :
843 -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
844 radius2 = (xx2 - xxc == 0) ?
845 (yy2 - yyc < 0) ? 90.0 : -90.0 :
846 -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
847 }
848 wxCoord alpha2 = wxCoord(radius2 - radius1);
849 wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
850 if( (xx1 > xx2) || (yy1 > yy2) ) {
851 alpha2 *= -1;
852 }
853 Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
854 if(m_brush.GetStyle() != wxTRANSPARENT) {
855 MacInstallBrush();
856 PaintArc(&r, alpha1, alpha2);
857 }
858 if(m_pen.GetStyle() != wxTRANSPARENT) {
859 MacInstallPen();
860 FrameArc(&r, alpha1, alpha2);
861 }
862 }
863
864 void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
865 double sa, double ea )
866 {
867 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc Invalid DC"));
868 wxMacFastPortSetter helper(this) ;
869 Rect r;
870 double angle = sa - ea; // Order important Mac in opposite direction to wx
871 // we have to make sure that the filling is always counter-clockwise
872 if ( angle > 0 )
873 angle -= 360 ;
874 wxCoord xx = XLOG2DEVMAC(x);
875 wxCoord yy = YLOG2DEVMAC(y);
876 wxCoord ww = m_signX * XLOG2DEVREL(w);
877 wxCoord hh = m_signY * YLOG2DEVREL(h);
878 // handle -ve width and/or height
879 if (ww < 0) { ww = -ww; xx = xx - ww; }
880 if (hh < 0) { hh = -hh; yy = yy - hh; }
881 sa = wxConvertWXangleToMACangle(sa);
882 r.top = yy;
883 r.left = xx;
884 r.bottom = yy + hh;
885 r.right = xx + ww;
886 if(m_brush.GetStyle() != wxTRANSPARENT) {
887 MacInstallBrush();
888 PaintArc(&r, (short)sa, (short)angle);
889 }
890 if(m_pen.GetStyle() != wxTRANSPARENT) {
891 MacInstallPen();
892 FrameArc(&r, (short)sa, (short)angle);
893 }
894 }
895
896 void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
897 {
898 wxCHECK_RET(Ok(), wxT("Invalid DC"));
899 wxMacFastPortSetter helper(this) ;
900 if (m_pen.GetStyle() != wxTRANSPARENT)
901 {
902 wxCoord xx1 = XLOG2DEVMAC(x);
903 wxCoord yy1 = YLOG2DEVMAC(y);
904 RGBColor pencolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
905 ::SetCPixel( xx1,yy1,&pencolor) ;
906 CalcBoundingBox(x, y);
907 }
908 }
909
910 void wxDC::DoDrawLines(int n, wxPoint points[],
911 wxCoord xoffset, wxCoord yoffset)
912 {
913 wxCHECK_RET(Ok(), wxT("Invalid DC"));
914 wxMacFastPortSetter helper(this) ;
915 if (m_pen.GetStyle() == wxTRANSPARENT)
916 return;
917 MacInstallPen() ;
918 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
919 m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
920 wxCoord x1, x2 , y1 , y2 ;
921 x1 = XLOG2DEVMAC(points[0].x + xoffset);
922 y1 = YLOG2DEVMAC(points[0].y + yoffset);
923 ::MoveTo(x1 - offset, y1 - offset );
924 for (int i = 0; i < n-1; i++)
925 {
926 x2 = XLOG2DEVMAC(points[i+1].x + xoffset);
927 y2 = YLOG2DEVMAC(points[i+1].y + yoffset);
928 ::LineTo( x2 - offset, y2 - offset );
929 }
930 }
931
932 void wxDC::DoDrawPolygon(int n, wxPoint points[],
933 wxCoord xoffset, wxCoord yoffset,
934 int fillStyle )
935 {
936 wxCHECK_RET(Ok(), wxT("Invalid DC"));
937 wxMacFastPortSetter helper(this) ;
938 wxCoord x1, x2 , y1 , y2 ;
939 if ( m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT )
940 return ;
941 PolyHandle polygon = OpenPoly();
942 x2 = x1 = XLOG2DEVMAC(points[0].x + xoffset);
943 y2 = y1 = YLOG2DEVMAC(points[0].y + yoffset);
944 ::MoveTo(x1,y1);
945 for (int i = 1; i < n; i++)
946 {
947 x2 = XLOG2DEVMAC(points[i].x + xoffset);
948 y2 = YLOG2DEVMAC(points[i].y + yoffset);
949 ::LineTo(x2, y2);
950 }
951 // close the polyline if necessary
952 if ( x1 != x2 || y1 != y2 )
953 {
954 ::LineTo(x1,y1 ) ;
955 }
956 ClosePoly();
957 if (m_brush.GetStyle() != wxTRANSPARENT)
958 {
959 MacInstallBrush();
960 ::PaintPoly( polygon );
961 }
962 if (m_pen.GetStyle() != wxTRANSPARENT)
963 {
964 MacInstallPen() ;
965 ::FramePoly( polygon ) ;
966 }
967 KillPoly( polygon );
968 }
969
970 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
971 {
972 wxCHECK_RET(Ok(), wxT("Invalid DC"));
973 wxMacFastPortSetter helper(this) ;
974 wxCoord xx = XLOG2DEVMAC(x);
975 wxCoord yy = YLOG2DEVMAC(y);
976 wxCoord ww = m_signX * XLOG2DEVREL(width);
977 wxCoord hh = m_signY * YLOG2DEVREL(height);
978 // CMB: draw nothing if transformed w or h is 0
979 if (ww == 0 || hh == 0)
980 return;
981 // CMB: handle -ve width and/or height
982 if (ww < 0)
983 {
984 ww = -ww;
985 xx = xx - ww;
986 }
987 if (hh < 0)
988 {
989 hh = -hh;
990 yy = yy - hh;
991 }
992 Rect rect = { yy , xx , yy + hh , xx + ww } ;
993 if (m_brush.GetStyle() != wxTRANSPARENT)
994 {
995 MacInstallBrush() ;
996 ::PaintRect( &rect ) ;
997 }
998 if (m_pen.GetStyle() != wxTRANSPARENT)
999 {
1000 MacInstallPen() ;
1001 ::FrameRect( &rect ) ;
1002 }
1003 }
1004
1005 void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1006 wxCoord width, wxCoord height,
1007 double radius)
1008 {
1009 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1010 wxMacFastPortSetter helper(this) ;
1011 if (radius < 0.0)
1012 radius = - radius * ((width < height) ? width : height);
1013 wxCoord xx = XLOG2DEVMAC(x);
1014 wxCoord yy = YLOG2DEVMAC(y);
1015 wxCoord ww = m_signX * XLOG2DEVREL(width);
1016 wxCoord hh = m_signY * YLOG2DEVREL(height);
1017 // CMB: draw nothing if transformed w or h is 0
1018 if (ww == 0 || hh == 0)
1019 return;
1020 // CMB: handle -ve width and/or height
1021 if (ww < 0)
1022 {
1023 ww = -ww;
1024 xx = xx - ww;
1025 }
1026 if (hh < 0)
1027 {
1028 hh = -hh;
1029 yy = yy - hh;
1030 }
1031 Rect rect = { yy , xx , yy + hh , xx + ww } ;
1032 if (m_brush.GetStyle() != wxTRANSPARENT)
1033 {
1034 MacInstallBrush() ;
1035 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1036 }
1037 if (m_pen.GetStyle() != wxTRANSPARENT)
1038 {
1039 MacInstallPen() ;
1040 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
1041 }
1042 }
1043
1044 void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1045 {
1046 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1047 wxMacFastPortSetter helper(this) ;
1048 wxCoord xx = XLOG2DEVMAC(x);
1049 wxCoord yy = YLOG2DEVMAC(y);
1050 wxCoord ww = m_signX * XLOG2DEVREL(width);
1051 wxCoord hh = m_signY * YLOG2DEVREL(height);
1052 // CMB: draw nothing if transformed w or h is 0
1053 if (ww == 0 || hh == 0)
1054 return;
1055 // CMB: handle -ve width and/or height
1056 if (ww < 0)
1057 {
1058 ww = -ww;
1059 xx = xx - ww;
1060 }
1061 if (hh < 0)
1062 {
1063 hh = -hh;
1064 yy = yy - hh;
1065 }
1066 Rect rect = { yy , xx , yy + hh , xx + ww } ;
1067 if (m_brush.GetStyle() != wxTRANSPARENT)
1068 {
1069 MacInstallBrush() ;
1070 ::PaintOval( &rect ) ;
1071 }
1072 if (m_pen.GetStyle() != wxTRANSPARENT)
1073 {
1074 MacInstallPen() ;
1075 ::FrameOval( &rect ) ;
1076 }
1077 }
1078
1079 bool wxDC::CanDrawBitmap(void) const
1080 {
1081 return true ;
1082 }
1083
1084 bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1085 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
1086 wxCoord xsrcMask, wxCoord ysrcMask )
1087 {
1088 wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
1089 wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit Illegal source DC"));
1090 if ( logical_func == wxNO_OP )
1091 return true ;
1092 if (xsrcMask == -1 && ysrcMask == -1)
1093 {
1094 xsrcMask = xsrc; ysrcMask = ysrc;
1095 }
1096 // correct the parameter in case this dc does not have a mask at all
1097 if ( useMask && !source->m_macMask )
1098 useMask = false ;
1099 Rect srcrect , dstrect ;
1100 srcrect.top = source->YLOG2DEVMAC(ysrc) ;
1101 srcrect.left = source->XLOG2DEVMAC(xsrc) ;
1102 srcrect.right = source->XLOG2DEVMAC(xsrc + width ) ;
1103 srcrect.bottom = source->YLOG2DEVMAC(ysrc + height) ;
1104 dstrect.top = YLOG2DEVMAC(ydest) ;
1105 dstrect.left = XLOG2DEVMAC(xdest) ;
1106 dstrect.bottom = YLOG2DEVMAC(ydest + height ) ;
1107 dstrect.right = XLOG2DEVMAC(xdest + width ) ;
1108 short mode = kUnsupportedMode ;
1109 bool invertDestinationFirst = false ;
1110 switch ( logical_func )
1111 {
1112 case wxAND: // src AND dst
1113 mode = adMin ; // ok
1114 break ;
1115 case wxAND_INVERT: // (NOT src) AND dst
1116 mode = notSrcOr ; // ok
1117 break ;
1118 case wxAND_REVERSE:// src AND (NOT dst)
1119 invertDestinationFirst = true ;
1120 mode = srcOr ;
1121 break ;
1122 case wxCLEAR: // 0
1123 mode = kEmulatedMode ;
1124 break ;
1125 case wxCOPY: // src
1126 mode = srcCopy ; // ok
1127 break ;
1128 case wxEQUIV: // (NOT src) XOR dst
1129 mode = srcXor ; // ok
1130 break ;
1131 case wxINVERT: // NOT dst
1132 mode = kEmulatedMode ; //or hilite ;
1133 break ;
1134 case wxNAND: // (NOT src) OR (NOT dst)
1135 invertDestinationFirst = true ;
1136 mode = srcBic ;
1137 break ;
1138 case wxNOR: // (NOT src) AND (NOT dst)
1139 invertDestinationFirst = true ;
1140 mode = notSrcOr ;
1141 break ;
1142 case wxNO_OP: // dst
1143 mode = kEmulatedMode ; // this has already been handled upon entry
1144 break ;
1145 case wxOR: // src OR dst
1146 mode = notSrcBic ;
1147 break ;
1148 case wxOR_INVERT: // (NOT src) OR dst
1149 mode = srcBic ;
1150 break ;
1151 case wxOR_REVERSE: // src OR (NOT dst)
1152 invertDestinationFirst = true ;
1153 mode = notSrcBic ;
1154 break ;
1155 case wxSET: // 1
1156 mode = kEmulatedMode ;
1157 break ;
1158 case wxSRC_INVERT: // (NOT src)
1159 mode = notSrcCopy ; // ok
1160 break ;
1161 case wxXOR: // src XOR dst
1162 mode = notSrcXor ; // ok
1163 break ;
1164 default :
1165 break ;
1166 }
1167 if ( mode == kUnsupportedMode )
1168 {
1169 wxFAIL_MSG(wxT("unsupported blitting mode" ));
1170 return false ;
1171 }
1172 CGrafPtr sourcePort = (CGrafPtr) source->m_macPort ;
1173 PixMapHandle bmappixels = GetGWorldPixMap( sourcePort ) ;
1174 if ( LockPixels(bmappixels) )
1175 {
1176 wxMacFastPortSetter helper(this) ;
1177 if ( source->GetDepth() == 1 )
1178 {
1179 RGBForeColor( &MAC_WXCOLORREF(m_textForegroundColour.GetPixel()) ) ;
1180 RGBBackColor( &MAC_WXCOLORREF(m_textBackgroundColour.GetPixel()) ) ;
1181 }
1182 else
1183 {
1184 // the modes need this, otherwise we'll end up having really nice colors...
1185 RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
1186 RGBColor black = { 0,0,0} ;
1187 RGBForeColor( &black ) ;
1188 RGBBackColor( &white ) ;
1189 }
1190 if ( useMask && source->m_macMask )
1191 {
1192 if ( mode == srcCopy )
1193 {
1194 if ( LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) )
1195 {
1196 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1197 GetPortBitMapForCopyBits( MAC_WXHBITMAP(source->m_macMask) ) ,
1198 GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1199 &srcrect, &srcrect , &dstrect ) ;
1200 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1201 }
1202 }
1203 else
1204 {
1205 RgnHandle clipRgn = NewRgn() ;
1206 LockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1207 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1208 UnlockPixels( GetGWorldPixMap( MAC_WXHBITMAP(source->m_macMask) ) ) ;
1209 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top + dstrect.top ) ;
1210 if ( mode == kEmulatedMode )
1211 {
1212 Pattern pat ;
1213 ::PenPat(GetQDGlobalsBlack(&pat));
1214 if ( logical_func == wxSET )
1215 {
1216 RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1217 ::RGBForeColor( &col ) ;
1218 ::PaintRgn( clipRgn ) ;
1219 }
1220 else if ( logical_func == wxCLEAR )
1221 {
1222 RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1223 ::RGBForeColor( &col ) ;
1224 ::PaintRgn( clipRgn ) ;
1225 }
1226 else if ( logical_func == wxINVERT )
1227 {
1228 MacInvertRgn( clipRgn ) ;
1229 }
1230 else
1231 {
1232 for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1233 {
1234 for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1235 {
1236 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1237 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1238 if ( PtInRgn( dstPoint , clipRgn ) )
1239 {
1240 RGBColor srcColor ;
1241 RGBColor dstColor ;
1242 SetPort( (GrafPtr) sourcePort ) ;
1243 GetCPixel( srcPoint.h , srcPoint.v , &srcColor) ;
1244 SetPort( (GrafPtr) m_macPort ) ;
1245 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1246 wxMacCalculateColour( logical_func , srcColor , dstColor ) ;
1247 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1248 }
1249 }
1250 }
1251 }
1252 }
1253 else
1254 {
1255 if ( invertDestinationFirst )
1256 {
1257 MacInvertRgn( clipRgn ) ;
1258 }
1259 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1260 GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1261 &srcrect, &dstrect, mode, clipRgn ) ;
1262 }
1263 DisposeRgn( clipRgn ) ;
1264 }
1265 }
1266 else
1267 {
1268 RgnHandle clipRgn = NewRgn() ;
1269 SetRectRgn( clipRgn , dstrect.left , dstrect.top , dstrect.right , dstrect.bottom ) ;
1270 if ( mode == kEmulatedMode )
1271 {
1272 Pattern pat ;
1273 ::PenPat(GetQDGlobalsBlack(&pat));
1274 if ( logical_func == wxSET )
1275 {
1276 RGBColor col= { 0xFFFF, 0xFFFF, 0xFFFF } ;
1277 ::RGBForeColor( &col ) ;
1278 ::PaintRgn( clipRgn ) ;
1279 }
1280 else if ( logical_func == wxCLEAR )
1281 {
1282 RGBColor col= { 0x0000, 0x0000, 0x0000 } ;
1283 ::RGBForeColor( &col ) ;
1284 ::PaintRgn( clipRgn ) ;
1285 }
1286 else if ( logical_func == wxINVERT )
1287 {
1288 MacInvertRgn( clipRgn ) ;
1289 }
1290 else
1291 {
1292 for ( int y = 0 ; y < srcrect.right - srcrect.left ; ++y )
1293 {
1294 for ( int x = 0 ; x < srcrect.bottom - srcrect.top ; ++x )
1295 {
1296 Point dstPoint = { dstrect.top + y , dstrect.left + x } ;
1297 Point srcPoint = { srcrect.top + y , srcrect.left + x } ;
1298 {
1299 RGBColor srcColor ;
1300 RGBColor dstColor ;
1301 SetPort( (GrafPtr) sourcePort ) ;
1302 GetCPixel( srcPoint.h , srcPoint.v , &srcColor) ;
1303 SetPort( (GrafPtr) m_macPort ) ;
1304 GetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1305 wxMacCalculateColour( logical_func , srcColor , dstColor ) ;
1306 SetCPixel( dstPoint.h , dstPoint.v , &dstColor ) ;
1307 }
1308 }
1309 }
1310 }
1311 }
1312 else
1313 {
1314 if ( invertDestinationFirst )
1315 {
1316 MacInvertRgn( clipRgn ) ;
1317 }
1318 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1319 GetPortBitMapForCopyBits( MAC_WXHBITMAP(m_macPort) ) ,
1320 &srcrect, &dstrect, mode, NULL ) ;
1321 }
1322 DisposeRgn( clipRgn ) ;
1323 }
1324 UnlockPixels( bmappixels ) ;
1325 }
1326 m_macPenInstalled = false ;
1327 m_macBrushInstalled = false ;
1328 m_macFontInstalled = false ;
1329 return true;
1330 }
1331
1332 #ifndef FixedToInt
1333 // as macro in FixMath.h for 10.3
1334 inline Fixed IntToFixed( int inInt )
1335 {
1336 return (((SInt32) inInt) << 16);
1337 }
1338
1339 inline int FixedToInt( Fixed inFixed )
1340 {
1341 return (((SInt32) inFixed) >> 16);
1342 }
1343 #endif
1344
1345 void wxDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
1346 double angle)
1347 {
1348 wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText Invalid window dc") );
1349
1350 if (angle == 0.0 )
1351 {
1352 DrawText(str, x, y);
1353 return;
1354 }
1355
1356 if ( str.Length() == 0 )
1357 return ;
1358
1359 wxMacFastPortSetter helper(this) ;
1360 MacInstallFont() ;
1361
1362 if ( 0 )
1363 {
1364 m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1365 SetAntiAliasedTextEnabled(true, SInt16(m_scaleY * m_font.GetMacFontSize()));
1366 m_macAliasWasEnabled = true ;
1367 }
1368 OSStatus status = noErr ;
1369 ATSUTextLayout atsuLayout ;
1370 UniCharCount chars = str.Length() ;
1371 #if wxUSE_UNICODE
1372 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) (const wxChar*) str , 0 , str.Length() , str.Length() , 1 ,
1373 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1374 #else
1375 wxWCharBuffer wchar = str.wc_str( wxConvLocal ) ;
1376 int wlen = wxWcslen( wchar.data() ) ;
1377 status = ::ATSUCreateTextLayoutWithTextPtr( (UniCharArrayPtr) wchar.data() , 0 , wlen , wlen , 1 ,
1378 &chars , (ATSUStyle*) &m_macATSUIStyle , &atsuLayout ) ;
1379 #endif
1380 wxASSERT_MSG( status == noErr , wxT("couldn't create the layout of the rotated text") );
1381 int iAngle = int( angle );
1382 int drawX = XLOG2DEVMAC(x) ;
1383 int drawY = YLOG2DEVMAC(y) ;
1384
1385 ATSUTextMeasurement textBefore ;
1386 ATSUTextMeasurement textAfter ;
1387 ATSUTextMeasurement ascent ;
1388 ATSUTextMeasurement descent ;
1389
1390
1391 if ( abs(iAngle) > 0 )
1392 {
1393 Fixed atsuAngle = IntToFixed( iAngle ) ;
1394 ATSUAttributeTag atsuTags[] =
1395 {
1396 kATSULineRotationTag ,
1397 } ;
1398 ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1399 {
1400 sizeof( Fixed ) ,
1401 } ;
1402 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1403 {
1404 &atsuAngle ,
1405 } ;
1406 status = ::ATSUSetLayoutControls(atsuLayout , sizeof(atsuTags)/sizeof(ATSUAttributeTag),
1407 atsuTags, atsuSizes, atsuValues ) ;
1408 }
1409 status = ::ATSUMeasureText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1410 &textBefore , &textAfter, &ascent , &descent );
1411
1412 drawX += (int)(sin(angle/RAD2DEG) * FixedToInt(ascent));
1413 drawY += (int)(cos(angle/RAD2DEG) * FixedToInt(ascent));
1414 status = ::ATSUDrawText( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1415 IntToFixed(drawX) , IntToFixed(drawY) );
1416 wxASSERT_MSG( status == noErr , wxT("couldn't draw the rotated text") );
1417 Rect rect ;
1418 status = ::ATSUMeasureTextImage( atsuLayout, kATSUFromTextBeginning, kATSUToTextEnd,
1419 IntToFixed(drawX) , IntToFixed(drawY) , &rect );
1420 wxASSERT_MSG( status == noErr , wxT("couldn't measure the rotated text") );
1421 OffsetRect( &rect , -m_macLocalOrigin.x , -m_macLocalOrigin.y ) ;
1422 CalcBoundingBox(XDEV2LOG(rect.left), YDEV2LOG(rect.top) );
1423 CalcBoundingBox(XDEV2LOG(rect.right), YDEV2LOG(rect.bottom) );
1424 ::ATSUDisposeTextLayout(atsuLayout);
1425 }
1426
1427 void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1428 {
1429 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText Invalid DC"));
1430
1431 wxMacFastPortSetter helper(this) ;
1432 long xx = XLOG2DEVMAC(x);
1433 long yy = YLOG2DEVMAC(y);
1434 #if TARGET_CARBON
1435 bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
1436 if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || m_font.GetNoAntiAliasing() )
1437 useDrawThemeText = false ;
1438 #endif
1439 MacInstallFont() ;
1440 if ( 0 )
1441 {
1442 m_macFormerAliasState = IsAntiAliasedTextEnabled(&m_macFormerAliasSize);
1443 SetAntiAliasedTextEnabled(true, 8);
1444 m_macAliasWasEnabled = true ;
1445 }
1446 FontInfo fi ;
1447 ::GetFontInfo( &fi ) ;
1448 #if TARGET_CARBON
1449 if ( !useDrawThemeText )
1450 #endif
1451 yy += fi.ascent ;
1452 ::MoveTo( xx , yy );
1453 if ( m_backgroundMode == wxTRANSPARENT )
1454 {
1455 ::TextMode( srcOr) ;
1456 }
1457 else
1458 {
1459 ::TextMode( srcCopy ) ;
1460 }
1461 int length = strtext.Length() ;
1462
1463 int laststop = 0 ;
1464 int i = 0 ;
1465 int line = 0 ;
1466 {
1467 #if 0 // we don't have to do all that here
1468 while( i < length )
1469 {
1470 if( strtext[i] == 13 || strtext[i] == 10)
1471 {
1472 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1473 #if TARGET_CARBON
1474 if ( useDrawThemeText )
1475 {
1476 Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading) ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1477 wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1478 if ( m_backgroundMode != wxTRANSPARENT )
1479 {
1480 Point bounds={0,0} ;
1481 Rect background = frame ;
1482 SInt16 baseline ;
1483 ::GetThemeTextDimensions( mString,
1484 kThemeCurrentPortFont,
1485 kThemeStateActive,
1486 false,
1487 &bounds,
1488 &baseline );
1489 background.right = background.left + bounds.h ;
1490 background.bottom = background.top + bounds.v ;
1491 ::EraseRect( &background ) ;
1492 }
1493 ::DrawThemeTextBox( mString,
1494 kThemeCurrentPortFont,
1495 kThemeStateActive,
1496 false,
1497 &frame,
1498 teJustLeft,
1499 nil );
1500 line++ ;
1501 }
1502 else
1503 #endif
1504 {
1505 wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1506 ::DrawText( text , 0 , strlen(text) ) ;
1507 if ( m_backgroundMode != wxTRANSPARENT )
1508 {
1509 Point bounds={0,0} ;
1510 Rect background = frame ;
1511 SInt16 baseline ;
1512 ::GetThemeTextDimensions( mString,
1513 kThemeCurrentPortFont,
1514 kThemeStateActive,
1515 false,
1516 &bounds,
1517 &baseline );
1518 background.right = background.left + bounds.h ;
1519 background.bottom = background.top + bounds.v ;
1520 ::EraseRect( &background ) ;
1521 }
1522 line++ ;
1523 ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1524 }
1525 laststop = i+1 ;
1526 }
1527 i++ ;
1528 }
1529 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1530 #endif // 0
1531 wxString linetext = strtext ;
1532 #if TARGET_CARBON
1533 if ( useDrawThemeText )
1534 {
1535 Rect frame = { yy + line*(fi.descent + fi.ascent + fi.leading) ,xx , yy + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1536 wxMacCFStringHolder mString( linetext , m_font.GetEncoding()) ;
1537
1538 if ( m_backgroundMode != wxTRANSPARENT )
1539 {
1540 Point bounds={0,0} ;
1541 Rect background = frame ;
1542 SInt16 baseline ;
1543 ::GetThemeTextDimensions( mString,
1544 kThemeCurrentPortFont,
1545 kThemeStateActive,
1546 false,
1547 &bounds,
1548 &baseline );
1549 background.right = background.left + bounds.h ;
1550 background.bottom = background.top + bounds.v ;
1551 ::EraseRect( &background ) ;
1552 }
1553 ::DrawThemeTextBox( mString,
1554 kThemeCurrentPortFont,
1555 kThemeStateActive,
1556 false,
1557 &frame,
1558 teJustLeft,
1559 nil );
1560 }
1561 else
1562 #endif
1563 {
1564 wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1565 if ( m_backgroundMode != wxTRANSPARENT )
1566 {
1567 Rect frame = { yy - fi.ascent + line*(fi.descent + fi.ascent + fi.leading) ,xx , yy - fi.ascent + (line+1)*(fi.descent + fi.ascent + fi.leading) , xx + 10000 } ;
1568 short width = ::TextWidth( text , 0 , strlen(text) ) ;
1569 frame.right = frame.left + width ;
1570
1571 ::EraseRect( &frame ) ;
1572 }
1573 ::DrawText( text , 0 , strlen(text) ) ;
1574 }
1575 }
1576 ::TextMode( srcOr ) ;
1577 }
1578
1579 bool wxDC::CanGetTextExtent() const
1580 {
1581 wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1582 return true ;
1583 }
1584
1585 void wxDC::DoGetTextExtent( const wxString &strtext, wxCoord *width, wxCoord *height,
1586 wxCoord *descent, wxCoord *externalLeading ,
1587 wxFont *theFont ) const
1588 {
1589 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1590 wxMacFastPortSetter helper(this) ;
1591 wxFont formerFont = m_font ;
1592 if ( theFont )
1593 {
1594 // work around the constness
1595 *((wxFont*)(&m_font)) = *theFont ;
1596 }
1597 MacInstallFont() ;
1598 FontInfo fi ;
1599 ::GetFontInfo( &fi ) ;
1600 #if TARGET_CARBON
1601 bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1602 if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1603 useGetThemeText = false ;
1604 #endif
1605 if ( height )
1606 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1607 if ( descent )
1608 *descent =YDEV2LOGREL( fi.descent );
1609 if ( externalLeading )
1610 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1611 int length = strtext.Length() ;
1612
1613 int laststop = 0 ;
1614 int i = 0 ;
1615 int curwidth = 0 ;
1616 if ( width )
1617 {
1618 *width = 0 ;
1619 #if 0 // apparently we don't have to do all that
1620 while( i < length )
1621 {
1622 if( strtext[i] == 13 || strtext[i] == 10)
1623 {
1624 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1625 if ( height )
1626 *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1627 #if TARGET_CARBON
1628 if ( useGetThemeText )
1629 {
1630 Point bounds={0,0} ;
1631 SInt16 baseline ;
1632 wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1633 ::GetThemeTextDimensions( mString,
1634 kThemeCurrentPortFont,
1635 kThemeStateActive,
1636 false,
1637 &bounds,
1638 &baseline );
1639 curwidth = bounds.h ;
1640 }
1641 else
1642 #endif
1643 {
1644 wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1645 curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1646 }
1647 if ( curwidth > *width )
1648 *width = XDEV2LOGREL( curwidth ) ;
1649 laststop = i+1 ;
1650 }
1651 i++ ;
1652 }
1653
1654 wxString linetext = strtext.Mid( laststop , i - laststop ) ;
1655 #endif // 0
1656 wxString linetext = strtext ;
1657 #if TARGET_CARBON
1658 if ( useGetThemeText )
1659 {
1660 Point bounds={0,0} ;
1661 SInt16 baseline ;
1662 wxMacCFStringHolder mString( linetext , m_font.GetEncoding() ) ;
1663 ::GetThemeTextDimensions( mString,
1664 kThemeCurrentPortFont,
1665 kThemeStateActive,
1666 false,
1667 &bounds,
1668 &baseline );
1669 curwidth = bounds.h ;
1670 }
1671 else
1672 #endif
1673 {
1674 wxCharBuffer text = linetext.mb_str(wxConvLocal) ;
1675 curwidth = ::TextWidth( text , 0 , strlen(text) ) ;
1676 }
1677 if ( curwidth > *width )
1678 *width = XDEV2LOGREL( curwidth ) ;
1679 }
1680 if ( theFont )
1681 {
1682 // work around the constness
1683 *((wxFont*)(&m_font)) = formerFont ;
1684 m_macFontInstalled = false ;
1685 }
1686 }
1687
1688
1689 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1690 {
1691 wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1692
1693 widths.Empty();
1694 widths.Add(0, text.Length());
1695
1696 if (text.Length() == 0)
1697 return false;
1698
1699 wxMacFastPortSetter helper(this) ;
1700 MacInstallFont() ;
1701 #if TARGET_CARBON
1702 bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1703 if ( UMAGetSystemVersion() < 0x1000 || IsKindOf(CLASSINFO( wxPrinterDC ) ) || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1704 useGetThemeText = false ;
1705
1706 if ( useGetThemeText )
1707 {
1708 // If anybody knows how to do this more efficiently yet still handle
1709 // the fractional glyph widths that may be present when using AA
1710 // fonts, please change it. Currently it is measuring from the
1711 // begining of the string for each succeding substring, which is much
1712 // slower than this should be.
1713 for (size_t i=0; i<text.Length(); i++)
1714 {
1715 wxString str(text.Left(i+1));
1716 Point bounds = {0,0};
1717 SInt16 baseline ;
1718 wxMacCFStringHolder mString(str, m_font.GetEncoding());
1719 ::GetThemeTextDimensions( mString,
1720 kThemeCurrentPortFont,
1721 kThemeStateActive,
1722 false,
1723 &bounds,
1724 &baseline );
1725 widths[i] = XDEV2LOGREL(bounds.h);
1726 }
1727 }
1728 else
1729 #endif
1730 {
1731 wxCharBuffer buff = text.mb_str(wxConvLocal);
1732 size_t len = strlen(buff);
1733 short* measurements = new short[len+1];
1734 MeasureText(len, buff.data(), measurements);
1735
1736 // Copy to widths, starting at measurements[1]
1737 // NOTE: this doesn't take into account any multi-byte characters
1738 // in buff, it probabkly should...
1739 for (size_t i=0; i<text.Length(); i++)
1740 widths[i] = XDEV2LOGREL(measurements[i+1]);
1741
1742 delete [] measurements;
1743 }
1744
1745 return true;
1746 }
1747
1748
1749
1750 wxCoord wxDC::GetCharWidth(void) const
1751 {
1752 wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1753 wxMacFastPortSetter helper(this) ;
1754 MacInstallFont() ;
1755 int width = 0 ;
1756 #if TARGET_CARBON
1757 bool useGetThemeText = ( GetThemeTextDimensions != (void*) kUnresolvedCFragSymbolAddress ) ;
1758 if ( UMAGetSystemVersion() < 0x1000 || ((wxFont*)&m_font)->GetNoAntiAliasing() )
1759 useGetThemeText = false ;
1760 #endif
1761 char text[] = "g" ;
1762 #if TARGET_CARBON
1763 if ( useGetThemeText )
1764 {
1765 Point bounds={0,0} ;
1766 SInt16 baseline ;
1767 CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text , 1 , CFStringGetSystemEncoding(), false ) ;
1768 ::GetThemeTextDimensions( mString,
1769 kThemeCurrentPortFont,
1770 kThemeStateActive,
1771 false,
1772 &bounds,
1773 &baseline );
1774 CFRelease( mString ) ;
1775 width = bounds.h ;
1776 }
1777 else
1778 #endif
1779 {
1780 width = ::TextWidth( text , 0 , 1 ) ;
1781 }
1782 return YDEV2LOGREL(width) ;
1783 }
1784
1785 wxCoord wxDC::GetCharHeight(void) const
1786 {
1787 wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1788 wxMacFastPortSetter helper(this) ;
1789 MacInstallFont() ;
1790 FontInfo fi ;
1791 ::GetFontInfo( &fi ) ;
1792 return YDEV2LOGREL( fi.descent + fi.ascent );
1793 }
1794
1795 void wxDC::Clear(void)
1796 {
1797 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1798 wxMacFastPortSetter helper(this) ;
1799 Rect rect = { -31000 , -31000 , 31000 , 31000 } ;
1800 if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1801 {
1802 ::PenNormal() ;
1803 //MacInstallBrush() ;
1804 MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1805 ::EraseRect( &rect ) ;
1806 }
1807 }
1808
1809 void wxDC::MacInstallFont() const
1810 {
1811 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1812 // if ( m_macFontInstalled )
1813 // return ;
1814 Pattern blackColor ;
1815 MacSetupBackgroundForCurrentPort(m_backgroundBrush) ;
1816 if ( m_font.Ok() )
1817 {
1818 ::TextFont( m_font.GetMacFontNum() ) ;
1819 ::TextSize( (short)(m_scaleY * m_font.GetMacFontSize()) ) ;
1820 ::TextFace( m_font.GetMacFontStyle() ) ;
1821 m_macFontInstalled = true ;
1822 m_macBrushInstalled = false ;
1823 m_macPenInstalled = false ;
1824 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1825 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1826 ::RGBForeColor( &forecolor );
1827 ::RGBBackColor( &backcolor );
1828 }
1829 else
1830 {
1831 FontFamilyID fontId ;
1832 Str255 fontName ;
1833 SInt16 fontSize ;
1834 Style fontStyle ;
1835 GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1836 GetFNum( fontName, &fontId );
1837 ::TextFont( fontId ) ;
1838 ::TextSize( short(m_scaleY * fontSize) ) ;
1839 ::TextFace( fontStyle ) ;
1840 // todo reset after spacing changes - or store the current spacing somewhere
1841 m_macFontInstalled = true ;
1842 m_macBrushInstalled = false ;
1843 m_macPenInstalled = false ;
1844 RGBColor forecolor = MAC_WXCOLORREF( m_textForegroundColour.GetPixel());
1845 RGBColor backcolor = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel());
1846 ::RGBForeColor( &forecolor );
1847 ::RGBBackColor( &backcolor );
1848 }
1849 short mode = patCopy ;
1850 // todo :
1851 switch( m_logicalFunction )
1852 {
1853 case wxCOPY: // src
1854 mode = patCopy ;
1855 break ;
1856 case wxINVERT: // NOT dst
1857 ::PenPat(GetQDGlobalsBlack(&blackColor));
1858 mode = patXor ;
1859 break ;
1860 case wxXOR: // src XOR dst
1861 mode = patXor ;
1862 break ;
1863 case wxOR_REVERSE: // src OR (NOT dst)
1864 mode = notPatOr ;
1865 break ;
1866 case wxSRC_INVERT: // (NOT src)
1867 mode = notPatCopy ;
1868 break ;
1869 case wxAND: // src AND dst
1870 mode = adMin ;
1871 break ;
1872 // unsupported TODO
1873 case wxCLEAR: // 0
1874 case wxAND_REVERSE:// src AND (NOT dst)
1875 case wxAND_INVERT: // (NOT src) AND dst
1876 case wxNO_OP: // dst
1877 case wxNOR: // (NOT src) AND (NOT dst)
1878 case wxEQUIV: // (NOT src) XOR dst
1879 case wxOR_INVERT: // (NOT src) OR dst
1880 case wxNAND: // (NOT src) OR (NOT dst)
1881 case wxOR: // src OR dst
1882 case wxSET: // 1
1883 // case wxSRC_OR: // source _bitmap_ OR destination
1884 // case wxSRC_AND: // source _bitmap_ AND destination
1885 break ;
1886 }
1887 ::PenMode( mode ) ;
1888 OSStatus status = noErr ;
1889 Fixed atsuSize = IntToFixed( int(m_scaleY * m_font.GetMacFontSize()) ) ;
1890 Style qdStyle = m_font.GetMacFontStyle() ;
1891 ATSUFontID atsuFont = m_font.GetMacATSUFontID() ;
1892 status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUIStyle) ;
1893 wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
1894 ATSUAttributeTag atsuTags[] =
1895 {
1896 kATSUFontTag ,
1897 kATSUSizeTag ,
1898 // kATSUColorTag ,
1899 // kATSUBaselineClassTag ,
1900 kATSUVerticalCharacterTag,
1901 kATSUQDBoldfaceTag ,
1902 kATSUQDItalicTag ,
1903 kATSUQDUnderlineTag ,
1904 kATSUQDCondensedTag ,
1905 kATSUQDExtendedTag ,
1906 } ;
1907 ByteCount atsuSizes[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1908 {
1909 sizeof( ATSUFontID ) ,
1910 sizeof( Fixed ) ,
1911 // sizeof( RGBColor ) ,
1912 // sizeof( BslnBaselineClass ) ,
1913 sizeof( ATSUVerticalCharacterType),
1914 sizeof( Boolean ) ,
1915 sizeof( Boolean ) ,
1916 sizeof( Boolean ) ,
1917 sizeof( Boolean ) ,
1918 sizeof( Boolean ) ,
1919 } ;
1920 Boolean kTrue = true ;
1921 Boolean kFalse = false ;
1922 //BslnBaselineClass kBaselineDefault = kBSLNHangingBaseline ;
1923 ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
1924 ATSUAttributeValuePtr atsuValues[sizeof(atsuTags)/sizeof(ATSUAttributeTag)] =
1925 {
1926 &atsuFont ,
1927 &atsuSize ,
1928 // &MAC_WXCOLORREF( m_textForegroundColour.GetPixel() ) ,
1929 // &kBaselineDefault ,
1930 &kHorizontal,
1931 (qdStyle & bold) ? &kTrue : &kFalse ,
1932 (qdStyle & italic) ? &kTrue : &kFalse ,
1933 (qdStyle & underline) ? &kTrue : &kFalse ,
1934 (qdStyle & condense) ? &kTrue : &kFalse ,
1935 (qdStyle & extend) ? &kTrue : &kFalse ,
1936 } ;
1937 status = ::ATSUSetAttributes((ATSUStyle)m_macATSUIStyle, sizeof(atsuTags)/sizeof(ATSUAttributeTag) ,
1938 atsuTags, atsuSizes, atsuValues);
1939 wxASSERT_MSG( status == noErr , wxT("couldn't set create ATSU style") ) ;
1940 }
1941
1942 Pattern gPatterns[] =
1943 { // hatch patterns
1944 { { 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF , 0xFF } } ,
1945 { { 0x01 , 0x02 , 0x04 , 0x08 , 0x10 , 0x20 , 0x40 , 0x80 } } ,
1946 { { 0x80 , 0x40 , 0x20 , 0x10 , 0x08 , 0x04 , 0x02 , 0x01 } } ,
1947 { { 0x10 , 0x10 , 0x10 , 0xFF , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1948 { { 0x00 , 0x00 , 0x00 , 0xFF , 0x00 , 0x00 , 0x00 , 0x00 } } ,
1949 { { 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 , 0x10 } } ,
1950 { { 0x81 , 0x42 , 0x24 , 0x18 , 0x18 , 0x24 , 0x42 , 0x81 } } ,
1951 // dash patterns
1952 { { 0xCC , 0x99 , 0x33 , 0x66 , 0xCC , 0x99 , 0x33 , 0x66 } } , // DOT
1953 { { 0xFE , 0xFD , 0xFB , 0xF7 , 0xEF , 0xDF , 0xBF , 0x7F } } , // LONG_DASH
1954 { { 0xEE , 0xDD , 0xBB , 0x77 , 0xEE , 0xDD , 0xBB , 0x77 } } , // SHORT_DASH
1955 { { 0xDE , 0xBD , 0x7B , 0xF6 , 0xED , 0xDB , 0xB7 , 0x6F } } , // DOT_DASH
1956 } ;
1957
1958 static void wxMacGetPattern(int penStyle, Pattern *pattern)
1959 {
1960 int index = 0; // solid pattern by default
1961 switch(penStyle)
1962 {
1963 // hatches
1964 case wxBDIAGONAL_HATCH: index = 1; break;
1965 case wxFDIAGONAL_HATCH: index = 2; break;
1966 case wxCROSS_HATCH: index = 3; break;
1967 case wxHORIZONTAL_HATCH: index = 4; break;
1968 case wxVERTICAL_HATCH: index = 5; break;
1969 case wxCROSSDIAG_HATCH: index = 6; break;
1970 // dashes
1971 case wxDOT: index = 7; break;
1972 case wxLONG_DASH: index = 8; break;
1973 case wxSHORT_DASH: index = 9; break;
1974 case wxDOT_DASH: index = 10; break;
1975 }
1976 *pattern = gPatterns[index];
1977 }
1978
1979 void wxDC::MacInstallPen() const
1980 {
1981 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1982 //Pattern blackColor;
1983 // if ( m_macPenInstalled )
1984 // return ;
1985 RGBColor forecolor = MAC_WXCOLORREF( m_pen.GetColour().GetPixel());
1986 RGBColor backcolor = MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel());
1987 ::RGBForeColor( &forecolor );
1988 ::RGBBackColor( &backcolor );
1989 ::PenNormal() ;
1990 int penWidth = (int) (m_pen.GetWidth() * m_scaleX) ; ;
1991 // null means only one pixel, at whatever resolution
1992 if ( penWidth == 0 )
1993 penWidth = 1 ;
1994 ::PenSize(penWidth, penWidth);
1995
1996 int penStyle = m_pen.GetStyle();
1997 Pattern pat;
1998 if (penStyle == wxUSER_DASH)
1999 {
2000 // FIXME: there should be exactly 8 items in the dash
2001 wxDash* dash ;
2002 int number = m_pen.GetDashes(&dash) ;
2003 int index = 0;
2004 for ( int i = 0 ; i < 8 ; ++i )
2005 {
2006 pat.pat[i] = dash[index] ;
2007 if (index < number - 1)
2008 index++;
2009 }
2010 }
2011 else
2012 {
2013 wxMacGetPattern(penStyle, &pat);
2014 }
2015 ::PenPat(&pat);
2016
2017 short mode = patCopy ;
2018 // todo :
2019 switch( m_logicalFunction )
2020 {
2021 case wxCOPY: // only foreground color, leave background (thus not patCopy)
2022 mode = patOr ;
2023 break ;
2024 case wxINVERT: // NOT dst
2025 // ::PenPat(GetQDGlobalsBlack(&blackColor));
2026 mode = patXor ;
2027 break ;
2028 case wxXOR: // src XOR dst
2029 mode = patXor ;
2030 break ;
2031 case wxOR_REVERSE: // src OR (NOT dst)
2032 mode = notPatOr ;
2033 break ;
2034 case wxSRC_INVERT: // (NOT src)
2035 mode = notPatCopy ;
2036 break ;
2037 case wxAND: // src AND dst
2038 mode = adMin ;
2039 break ;
2040 // unsupported TODO
2041 case wxCLEAR: // 0
2042 case wxAND_REVERSE:// src AND (NOT dst)
2043 case wxAND_INVERT: // (NOT src) AND dst
2044 case wxNO_OP: // dst
2045 case wxNOR: // (NOT src) AND (NOT dst)
2046 case wxEQUIV: // (NOT src) XOR dst
2047 case wxOR_INVERT: // (NOT src) OR dst
2048 case wxNAND: // (NOT src) OR (NOT dst)
2049 case wxOR: // src OR dst
2050 case wxSET: // 1
2051 // case wxSRC_OR: // source _bitmap_ OR destination
2052 // case wxSRC_AND: // source _bitmap_ AND destination
2053 break ;
2054 }
2055 ::PenMode( mode ) ;
2056 m_macPenInstalled = true ;
2057 m_macBrushInstalled = false ;
2058 m_macFontInstalled = false ;
2059 }
2060
2061 void wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
2062 {
2063 Pattern whiteColor ;
2064 switch( background.MacGetBrushKind() )
2065 {
2066 case kwxMacBrushTheme :
2067 {
2068 ::SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
2069 break ;
2070 }
2071 case kwxMacBrushThemeBackground :
2072 {
2073 Rect extent ;
2074 ThemeBackgroundKind bg = background.GetMacThemeBackground( &extent ) ;
2075 ::ApplyThemeBackground( bg , &extent ,kThemeStateActive , wxDisplayDepth() , true ) ;
2076 break ;
2077 }
2078 case kwxMacBrushColour :
2079 {
2080 ::RGBBackColor( &MAC_WXCOLORREF( background.GetColour().GetPixel()) );
2081 int brushStyle = background.GetStyle();
2082 if (brushStyle == wxSOLID)
2083 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2084 else if (background.IsHatch())
2085 {
2086 Pattern pat ;
2087 wxMacGetPattern(brushStyle, &pat);
2088 ::BackPat(&pat);
2089 }
2090 else
2091 {
2092 ::BackPat(GetQDGlobalsWhite(&whiteColor));
2093 }
2094 break ;
2095 }
2096 }
2097 }
2098
2099 void wxDC::MacInstallBrush() const
2100 {
2101 wxCHECK_RET(Ok(), wxT("Invalid DC"));
2102 Pattern blackColor ;
2103 // if ( m_macBrushInstalled )
2104 // return ;
2105 // foreground
2106 bool backgroundTransparent = (GetBackgroundMode() == wxTRANSPARENT) ;
2107 ::RGBForeColor( &MAC_WXCOLORREF( m_brush.GetColour().GetPixel()) );
2108 ::RGBBackColor( &MAC_WXCOLORREF( m_backgroundBrush.GetColour().GetPixel()) );
2109 int brushStyle = m_brush.GetStyle();
2110 if (brushStyle == wxSOLID)
2111 {
2112 ::PenPat(GetQDGlobalsBlack(&blackColor));
2113 }
2114 else if (m_brush.IsHatch())
2115 {
2116 Pattern pat ;
2117 wxMacGetPattern(brushStyle, &pat);
2118 ::PenPat(&pat);
2119 }
2120 else if ( m_brush.GetStyle() == wxSTIPPLE || m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE )
2121 {
2122 // we force this in order to be compliant with wxMSW
2123 backgroundTransparent = false ;
2124 // for these the text fore (and back for MASK_OPAQUE) colors are used
2125 wxBitmap* bitmap = m_brush.GetStipple() ;
2126 int width = bitmap->GetWidth() ;
2127 int height = bitmap->GetHeight() ;
2128 GWorldPtr gw = NULL ;
2129 if ( m_brush.GetStyle() == wxSTIPPLE )
2130 gw = MAC_WXHBITMAP(bitmap->GetHBITMAP()) ;
2131 else
2132 gw = MAC_WXHBITMAP(bitmap->GetMask()->GetMaskBitmap()) ;
2133 PixMapHandle gwpixmaphandle = GetGWorldPixMap( gw ) ;
2134 LockPixels( gwpixmaphandle ) ;
2135 bool isMonochrome = !IsPortColor( gw ) ;
2136 if ( !isMonochrome )
2137 {
2138 if ( (**gwpixmaphandle).pixelSize == 1 )
2139 isMonochrome = true ;
2140 }
2141 if ( isMonochrome && width == 8 && height == 8 )
2142 {
2143 ::RGBForeColor( &MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) );
2144 ::RGBForeColor( &MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) );
2145 BitMap* gwbitmap = (BitMap*) *gwpixmaphandle ; // since the color depth is 1 it is a BitMap
2146 UInt8 *gwbits = (UInt8*) gwbitmap->baseAddr ;
2147 int alignment = gwbitmap->rowBytes & 0x7FFF ;
2148 Pattern pat ;
2149 for ( int i = 0 ; i < 8 ; ++i )
2150 {
2151 pat.pat[i] = gwbits[i*alignment+0] ;
2152 }
2153 UnlockPixels( GetGWorldPixMap( gw ) ) ;
2154 ::PenPat( &pat ) ;
2155 }
2156 else
2157 {
2158 // this will be the code to handle power of 2 patterns, we will have to arrive at a nice
2159 // caching scheme before putting this into production
2160 Handle image;
2161 long imageSize;
2162 PixPatHandle pixpat = NewPixPat() ;
2163 CopyPixMap(gwpixmaphandle, (**pixpat).patMap);
2164 imageSize = GetPixRowBytes((**pixpat).patMap) *
2165 ((**(**pixpat).patMap).bounds.bottom -
2166 (**(**pixpat).patMap).bounds.top);
2167 PtrToHand( (**gwpixmaphandle).baseAddr, &image, imageSize );
2168 (**pixpat).patData = image;
2169 if ( isMonochrome )
2170 {
2171 CTabHandle ctable = ((**((**pixpat).patMap)).pmTable) ;
2172 ColorSpecPtr ctspec = (ColorSpecPtr) &(**ctable).ctTable ;
2173 if ( ctspec[0].rgb.red == 0x0000 )
2174 {
2175 ctspec[1].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2176 ctspec[0].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2177 }
2178 else
2179 {
2180 ctspec[0].rgb = MAC_WXCOLORREF( m_textBackgroundColour.GetPixel()) ;
2181 ctspec[1].rgb = MAC_WXCOLORREF( m_textForegroundColour.GetPixel()) ;
2182 }
2183 ::CTabChanged( ctable ) ;
2184 }
2185 ::PenPixPat(pixpat);
2186 m_macForegroundPixMap = pixpat ;
2187 }
2188 UnlockPixels( gwpixmaphandle ) ;
2189 }
2190 else
2191 {
2192 ::PenPat(GetQDGlobalsBlack(&blackColor));
2193 }
2194 short mode = patCopy ;
2195 switch( m_logicalFunction )
2196 {
2197 case wxCOPY: // src
2198 if ( backgroundTransparent )
2199 mode = patOr ;
2200 else
2201 mode = patCopy ;
2202 break ;
2203 case wxINVERT: // NOT dst
2204 if ( !backgroundTransparent )
2205 {
2206 ::PenPat(GetQDGlobalsBlack(&blackColor));
2207 }
2208 mode = patXor ;
2209 break ;
2210 case wxXOR: // src XOR dst
2211 mode = patXor ;
2212 break ;
2213 case wxOR_REVERSE: // src OR (NOT dst)
2214 mode = notPatOr ;
2215 break ;
2216 case wxSRC_INVERT: // (NOT src)
2217 mode = notPatCopy ;
2218 break ;
2219 case wxAND: // src AND dst
2220 mode = adMin ;
2221 break ;
2222 // unsupported TODO
2223 case wxCLEAR: // 0
2224 case wxAND_REVERSE:// src AND (NOT dst)
2225 case wxAND_INVERT: // (NOT src) AND dst
2226 case wxNO_OP: // dst
2227 case wxNOR: // (NOT src) AND (NOT dst)
2228 case wxEQUIV: // (NOT src) XOR dst
2229 case wxOR_INVERT: // (NOT src) OR dst
2230 case wxNAND: // (NOT src) OR (NOT dst)
2231 case wxOR: // src OR dst
2232 case wxSET: // 1
2233 // case wxSRC_OR: // source _bitmap_ OR destination
2234 // case wxSRC_AND: // source _bitmap_ AND destination
2235 break ;
2236 }
2237 ::PenMode( mode ) ;
2238 m_macBrushInstalled = true ;
2239 m_macPenInstalled = false ;
2240 m_macFontInstalled = false ;
2241 }
2242
2243 // ---------------------------------------------------------------------------
2244 // coordinates transformations
2245 // ---------------------------------------------------------------------------
2246
2247 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
2248 {
2249 return ((wxDC *)this)->XDEV2LOG(x);
2250 }
2251
2252 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
2253 {
2254 return ((wxDC *)this)->YDEV2LOG(y);
2255 }
2256
2257 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
2258 {
2259 return ((wxDC *)this)->XDEV2LOGREL(x);
2260 }
2261
2262 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
2263 {
2264 return ((wxDC *)this)->YDEV2LOGREL(y);
2265 }
2266
2267 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
2268 {
2269 return ((wxDC *)this)->XLOG2DEV(x);
2270 }
2271
2272 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
2273 {
2274 return ((wxDC *)this)->YLOG2DEV(y);
2275 }
2276
2277 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
2278 {
2279 return ((wxDC *)this)->XLOG2DEVREL(x);
2280 }
2281
2282 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
2283 {
2284 return ((wxDC *)this)->YLOG2DEVREL(y);
2285 }
wxWidgets (Impactor)