]> git.saurik.com Git - wxWidgets.git/blob - src/mac/carbon/dc.cpp
projects / wxWidgets.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
cleaned drawing code
[wxWidgets.git] / src / mac / carbon / dc.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: dc.cpp
3 // Purpose: wxDC class
4 // Author: AUTHOR
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) AUTHOR
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/region.h"
21 #include "wx/image.h"
22
23 #if __MSL__ >= 0x6000
24 #include "math.h"
25 #endif
26
27 #if !USE_SHARED_LIBRARY
28 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
29 #endif
30
31 //-----------------------------------------------------------------------------
32 // constants
33 //-----------------------------------------------------------------------------
34
35 #define mm2inches 0.0393700787402
36 #define inches2mm 25.4
37 #define mm2twips 56.6929133859
38 #define twips2mm 0.0176388888889
39 #define mm2pt 2.83464566929
40 #define pt2mm 0.352777777778
41 #ifndef __DARWIN__
42 const double M_PI = 3.14159265358979 ;
43 #endif
44 const double RAD2DEG = 180.0 / M_PI;
45
46 //-----------------------------------------------------------------------------
47 // Local functions
48 //-----------------------------------------------------------------------------
49
50 static inline double dmin(double a, double b) { return a < b ? a : b; }
51 static inline double dmax(double a, double b) { return a > b ? a : b; }
52 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
53
54 //-----------------------------------------------------------------------------
55 // wxDC
56 //-----------------------------------------------------------------------------
57
58 wxDC::wxDC()
59 {
60 m_ok = FALSE;
61 m_colour = TRUE;
62
63 m_mm_to_pix_x = mm2pt;
64 m_mm_to_pix_y = mm2pt;
65
66 m_internalDeviceOriginX = 0;
67 m_internalDeviceOriginY = 0;
68 m_externalDeviceOriginX = 0;
69 m_externalDeviceOriginY = 0;
70
71 m_logicalScaleX = 1.0;
72 m_logicalScaleY = 1.0;
73 m_userScaleX = 1.0;
74 m_userScaleY = 1.0;
75 m_scaleX = 1.0;
76 m_scaleY = 1.0;
77
78 m_needComputeScaleX = FALSE;
79 m_needComputeScaleY = FALSE;
80
81 m_maxX = m_maxY = -100000;
82 m_minY = m_minY = 100000;
83
84 m_macPort = NULL ;
85 m_macMask = NULL ;
86 m_ok = FALSE ;
87
88 m_macFontInstalled = false ;
89 m_macBrushInstalled = false ;
90 m_macPenInstalled = false ;
91
92 m_macLocalOrigin.h = m_macLocalOrigin.v = 0 ;
93 m_macBoundaryClipRgn = NewRgn() ;
94 m_macCurrentClipRgn = NewRgn() ;
95
96 SetRectRgn( m_macBoundaryClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
97 SetRectRgn( m_macCurrentClipRgn , -32000 , -32000 , 32000 , 32000 ) ;
98
99 m_pen = *wxBLACK_PEN;
100 m_font = *wxNORMAL_FONT;
101 m_brush = *wxWHITE_BRUSH;
102 }
103 wxMacPortSetter::wxMacPortSetter( const wxDC* dc ) :
104 m_ph( dc->m_macPort )
105 {
106 wxASSERT( dc->Ok() ) ;
107
108 dc->MacSetupPort(&m_ph) ;
109 }
110
111 wxMacPortSetter::~wxMacPortSetter()
112 {
113 }
114
115 wxDC::~wxDC(void)
116 {
117 DisposeRgn( m_macBoundaryClipRgn ) ;
118 DisposeRgn( m_macCurrentClipRgn ) ;
119 }
120 void wxDC::MacSetupPort(AGAPortHelper* help) const
121 {
122 // help->Setup( m_macPort ) ;
123 ::SetOrigin(-m_macLocalOrigin.h, -m_macLocalOrigin.v);
124 SetClip( m_macCurrentClipRgn);
125
126 m_macFontInstalled = false ;
127 m_macBrushInstalled = false ;
128 m_macPenInstalled = false ;
129 }
130
131 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
132 {
133 wxCHECK_RET( Ok(), wxT("invalid window dc") );
134
135 wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") );
136
137 wxMacPortSetter helper(this) ;
138
139 wxCoord xx = XLOG2DEV(x);
140 wxCoord yy = YLOG2DEV(y);
141 wxCoord w = bmp.GetWidth();
142 wxCoord h = bmp.GetHeight();
143 wxCoord ww = XLOG2DEVREL(w);
144 wxCoord hh = YLOG2DEVREL(h);
145
146 // Set up drawing mode
147 short mode = (m_logicalFunction == wxCOPY ? srcCopy :
148 //m_logicalFunction == wxCLEAR ? WHITENESS :
149 //m_logicalFunction == wxSET ? BLACKNESS :
150 m_logicalFunction == wxINVERT ? hilite :
151 //m_logicalFunction == wxAND ? MERGECOPY :
152 m_logicalFunction == wxOR ? srcOr :
153 m_logicalFunction == wxSRC_INVERT ? notSrcCopy :
154 m_logicalFunction == wxXOR ? srcXor :
155 m_logicalFunction == wxOR_REVERSE ? notSrcOr :
156 //m_logicalFunction == wxAND_REVERSE ? SRCERASE :
157 //m_logicalFunction == wxSRC_OR ? srcOr :
158 //m_logicalFunction == wxSRC_AND ? SRCAND :
159 srcCopy );
160
161 if ( bmp.GetBitmapType() == kMacBitmapTypePict ) {
162 Rect bitmaprect = { 0 , 0 , hh, ww };
163 ::OffsetRect( &bitmaprect, xx, yy ) ;
164 ::DrawPicture( bmp.GetPict(), &bitmaprect ) ;
165 }
166 else if ( bmp.GetBitmapType() == kMacBitmapTypeGrafWorld )
167 {
168 GWorldPtr bmapworld = bmp.GetHBITMAP();
169 PixMapHandle bmappixels ;
170
171 // Set foreground and background colours (for bitmaps depth = 1)
172 if(bmp.GetDepth() == 1)
173 {
174 RGBColor fore = m_textForegroundColour.GetPixel();
175 RGBColor back = m_textBackgroundColour.GetPixel();
176 RGBForeColor(&fore);
177 RGBBackColor(&back);
178 }
179 else
180 {
181 RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
182 RGBColor black = { 0,0,0} ;
183 RGBForeColor( &black ) ;
184 RGBBackColor( &white ) ;
185 }
186
187 bmappixels = GetGWorldPixMap( bmapworld ) ;
188
189 wxCHECK_RET(LockPixels(bmappixels),
190 wxT("DoDrawBitmap: Unable to lock pixels"));
191
192 Rect source = { 0, 0, h, w };
193 Rect dest = { yy, xx, yy + hh, xx + ww };
194
195 if ( useMask && bmp.GetMask() )
196 {
197 if( LockPixels(GetGWorldPixMap(bmp.GetMask()->GetMaskBitmap())))
198 {
199 CopyDeepMask
200 (
201 GetPortBitMapForCopyBits(bmapworld),
202 GetPortBitMapForCopyBits(bmp.GetMask()->GetMaskBitmap()),
203 GetPortBitMapForCopyBits( m_macPort ),
204 &source, &source, &dest, mode, NULL
205 );
206 UnlockPixels(GetGWorldPixMap(bmp.GetMask()->GetMaskBitmap()));
207 }
208 }
209 else {
210 CopyBits( GetPortBitMapForCopyBits( bmapworld ),
211 GetPortBitMapForCopyBits( m_macPort ),
212 &source, &dest, mode, NULL ) ;
213 }
214 UnlockPixels( bmappixels ) ;
215 }
216 else if ( bmp.GetBitmapType() == kMacBitmapTypeIcon )
217 {
218 Rect bitmaprect = { 0 , 0 , bmp.GetHeight(), bmp.GetWidth() } ;
219 OffsetRect( &bitmaprect, xx, yy ) ;
220 PlotCIconHandle( &bitmaprect , atNone , ttNone , bmp.GetHICON() ) ;
221 }
222 m_macPenInstalled = false ;
223 m_macBrushInstalled = false ;
224 m_macFontInstalled = false ;
225
226 }
227
228 void wxDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
229 {
230 wxCHECK_RET(Ok(), wxT("Invalid dc wxDC::DoDrawIcon"));
231
232 wxCHECK_RET(icon.Ok(), wxT("Invalid icon wxDC::DoDrawIcon"));
233
234 DoDrawBitmap( icon , x , y , icon.GetMask() != NULL ) ;
235 }
236 void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
237 {
238 wxCHECK_RET(Ok(), wxT("wxDC::DoSetClippingRegion Invalid DC"));
239 wxCoord xx, yy, ww, hh;
240
241 xx = XLOG2DEV(x);
242 yy = YLOG2DEV(y);
243 ww = XLOG2DEVREL(width);
244 hh = YLOG2DEVREL(height);
245
246 SetRectRgn( m_macCurrentClipRgn , xx , yy , xx + ww , yy + hh ) ;
247 SectRgn( m_macCurrentClipRgn , m_macBoundaryClipRgn , m_macCurrentClipRgn ) ;
248
249 if( m_clipping )
250 {
251 m_clipX1 = wxMax( m_clipX1 , xx );
252 m_clipY1 = wxMax( m_clipY1 , yy );
253 m_clipX2 = wxMin( m_clipX2, (xx + ww));
254 m_clipY2 = wxMin( m_clipY2, (yy + hh));
255 }
256 else
257 {
258 m_clipping = TRUE;
259 m_clipX1 = xx;
260 m_clipY1 = yy;
261 m_clipX2 = xx + ww;
262 m_clipY2 = yy + hh;
263 }
264
265 }
266 void wxDC::DoSetClippingRegionAsRegion( const wxRegion &region )
267 {
268 wxCHECK_RET( Ok(), wxT("invalid window dc") ) ;
269
270 wxMacPortSetter helper(this) ;
271 if (region.Empty())
272 {
273 DestroyClippingRegion();
274 return;
275 }
276
277 wxCoord x, y, w, h;
278 region.GetBox( x, y, w, h );
279 wxCoord xx, yy, ww, hh;
280
281 xx = XLOG2DEV(x);
282 yy = YLOG2DEV(y);
283 ww = XLOG2DEVREL(w);
284 hh = YLOG2DEVREL(h);
285
286 // if we have a scaling that we cannot map onto native regions
287 // we must use the box
288
289 if ( ww != w || hh != h )
290 {
291 wxDC::DoSetClippingRegion( x, y, w, h );
292 }
293 else
294 {
295 CopyRgn( region.GetWXHRGN() , m_macCurrentClipRgn ) ;
296 if ( xx != x || yy != y )
297 {
298 OffsetRgn( m_macCurrentClipRgn , xx - x , yy - y ) ;
299 }
300 SectRgn( m_macCurrentClipRgn , m_macBoundaryClipRgn , m_macCurrentClipRgn ) ;
301 if( m_clipping )
302 {
303 m_clipX1 = wxMax( m_clipX1 , xx );
304 m_clipY1 = wxMax( m_clipY1 , yy );
305 m_clipX2 = wxMin( m_clipX2, (xx + ww));
306 m_clipY2 = wxMin( m_clipY2, (yy + hh));
307 }
308 else
309 {
310 m_clipping = TRUE;
311 m_clipX1 = xx;
312 m_clipY1 = yy;
313 m_clipX2 = xx + ww;
314 m_clipY2 = yy + hh;
315 }
316 }
317
318 }
319
320 void wxDC::DestroyClippingRegion()
321 {
322 wxMacPortSetter helper(this) ;
323 CopyRgn( m_macBoundaryClipRgn , m_macCurrentClipRgn ) ;
324 m_clipping = FALSE;
325 }
326 void wxDC::DoGetSize( int* width, int* height ) const
327 {
328 *width = m_maxX-m_minX;
329 *height = m_maxY-m_minY;
330 }
331 void wxDC::DoGetSizeMM( int* width, int* height ) const
332 {
333 int w = 0;
334 int h = 0;
335 GetSize( &w, &h );
336 *width = long( double(w) / (m_scaleX*m_mm_to_pix_x) );
337 *height = long( double(h) / (m_scaleY*m_mm_to_pix_y) );
338 }
339 void wxDC::SetTextForeground( const wxColour &col )
340 {
341 wxCHECK_RET(Ok(), wxT("Invalid DC"));
342 m_textForegroundColour = col;
343 m_macFontInstalled = false ;
344 }
345 void wxDC::SetTextBackground( const wxColour &col )
346 {
347 wxCHECK_RET(Ok(), wxT("Invalid DC"));
348 m_textBackgroundColour = col;
349 m_macFontInstalled = false ;
350 }
351 void wxDC::SetMapMode( int mode )
352 {
353 switch (mode)
354 {
355 case wxMM_TWIPS:
356 SetLogicalScale( twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y );
357 break;
358 case wxMM_POINTS:
359 SetLogicalScale( pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y );
360 break;
361 case wxMM_METRIC:
362 SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
363 break;
364 case wxMM_LOMETRIC:
365 SetLogicalScale( m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0 );
366 break;
367 default:
368 case wxMM_TEXT:
369 SetLogicalScale( 1.0, 1.0 );
370 break;
371 }
372 if (mode != wxMM_TEXT)
373 {
374 m_needComputeScaleX = TRUE;
375 m_needComputeScaleY = TRUE;
376 }
377 }
378 void wxDC::SetUserScale( double x, double y )
379 {
380 // allow negative ? -> no
381 m_userScaleX = x;
382 m_userScaleY = y;
383 ComputeScaleAndOrigin();
384 }
385 void wxDC::SetLogicalScale( double x, double y )
386 {
387 // allow negative ?
388 m_logicalScaleX = x;
389 m_logicalScaleY = y;
390 ComputeScaleAndOrigin();
391 }
392 void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
393 {
394 m_logicalOriginX = x * m_signX; // is this still correct ?
395 m_logicalOriginY = y * m_signY;
396 ComputeScaleAndOrigin();
397 }
398 void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
399 {
400 m_externalDeviceOriginX = x;
401 m_externalDeviceOriginY = y;
402 ComputeScaleAndOrigin();
403 }
404
405 #if 0
406 void wxDC::SetInternalDeviceOrigin( long x, long y )
407 {
408 m_internalDeviceOriginX = x;
409 m_internalDeviceOriginY = y;
410 ComputeScaleAndOrigin();
411 }
412 void wxDC::GetInternalDeviceOrigin( long *x, long *y )
413 {
414 if (x) *x = m_internalDeviceOriginX;
415 if (y) *y = m_internalDeviceOriginY;
416 }
417 #endif
418 void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
419 {
420 m_signX = (xLeftRight ? 1 : -1);
421 m_signY = (yBottomUp ? -1 : 1);
422 ComputeScaleAndOrigin();
423 }/*
424
425 void wxDC::CalcBoundingBox( long x, long y )
426 {
427 if (x < m_minX) m_minX = x;
428 if (y < m_minY) m_minY = y;
429 if (x > m_maxX) m_maxX = x;
430 if (y > m_maxY) m_maxY = y;
431 }*/
432 wxSize wxDC::GetPPI() const
433 {
434 return wxSize(72, 72);
435 }
436
437 int wxDC::GetDepth() const
438 {
439 return wxDisplayDepth() ;
440 }
441
442 void wxDC::ComputeScaleAndOrigin()
443 {
444 // CMB: copy scale to see if it changes
445 double origScaleX = m_scaleX;
446 double origScaleY = m_scaleY;
447
448 m_scaleX = m_logicalScaleX * m_userScaleX;
449 m_scaleY = m_logicalScaleY * m_userScaleY;
450
451 m_deviceOriginX = m_internalDeviceOriginX + m_externalDeviceOriginX;
452 m_deviceOriginY = m_internalDeviceOriginY + m_externalDeviceOriginY;
453
454 // CMB: if scale has changed call SetPen to recalulate the line width
455 if (m_scaleX != origScaleX || m_scaleY != origScaleY)
456 {
457 // this is a bit artificial, but we need to force wxDC to think
458 // the pen has changed
459 wxPen* pen = & GetPen();
460 wxPen tempPen;
461 m_pen = tempPen;
462 SetPen(* pen);
463 }
464 }
465 void wxDC::SetPalette( const wxPalette& palette )
466 {
467 }
468
469 void wxDC::SetBackgroundMode( int mode )
470 {
471 m_backgroundMode = mode ;
472 }
473
474 void wxDC::SetFont( const wxFont &font )
475 {
476 m_font = font;
477 m_macFontInstalled = false ;
478 }
479
480 void wxDC::SetPen( const wxPen &pen )
481 {
482 if ( m_pen == pen )
483 return ;
484
485 m_pen = pen;
486
487 m_macPenInstalled = false ;
488 }
489
490 void wxDC::SetBrush( const wxBrush &brush )
491 {
492 if (m_brush == brush)
493 return;
494
495 m_brush = brush;
496 m_macBrushInstalled = false ;
497 }
498
499 void wxDC::SetBackground( const wxBrush &brush )
500 {
501 if (m_backgroundBrush == brush)
502 return;
503
504 m_backgroundBrush = brush;
505
506 if (!m_backgroundBrush.Ok())
507 return;
508 m_macBrushInstalled = false ;
509 }
510
511 void wxDC::SetLogicalFunction( int function )
512 {
513 if (m_logicalFunction == function)
514 return;
515
516 m_logicalFunction = function ;
517 m_macFontInstalled = false ;
518 m_macBrushInstalled = false ;
519 m_macPenInstalled = false ;
520 }
521
522 void wxDC::DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
523 int style )
524 {
525 }
526
527 bool wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const
528 {
529 wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel Invalid DC") );
530 wxMacPortSetter helper(this) ;
531
532 RGBColor colour;
533
534 GetCPixel( XLOG2DEV(x), YLOG2DEV(y), &colour );
535
536 // Convert from Mac colour to wx
537 col->Set( colour.red >> 8,
538 colour.green >> 8,
539 colour.blue >> 8);
540
541 return true ;
542 }
543
544 void wxDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
545 {
546 wxCHECK_RET(Ok(), wxT("Invalid DC"));
547
548 wxMacPortSetter helper(this) ;
549
550 if (m_pen.GetStyle() != wxTRANSPARENT)
551 {
552 MacInstallPen() ;
553 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
554 m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2;
555
556 wxCoord xx1 = XLOG2DEV(x1) - offset;
557 wxCoord yy1 = YLOG2DEV(y1) - offset;
558 wxCoord xx2 = XLOG2DEV(x2) - offset;
559 wxCoord yy2 = YLOG2DEV(y2) - offset;
560
561 if ((m_pen.GetCap() == wxCAP_ROUND) &&
562 (m_pen.GetWidth() <= 1))
563 {
564 // Implement LAST_NOT for MAC at least for
565 // orthogonal lines. RR.
566 if (xx1 == xx2)
567 {
568 if (yy1 < yy2)
569 yy2--;
570 if (yy1 > yy2)
571 yy2++;
572 }
573 if (yy1 == yy2)
574 {
575 if (xx1 < xx2)
576 xx2--;
577 if (xx1 > xx2)
578 xx2++;
579 }
580 }
581
582 ::MoveTo(xx1, yy1);
583 ::LineTo(xx2, yy2);
584 }
585 }
586
587 void wxDC::DoCrossHair( wxCoord x, wxCoord y )
588 {
589 wxCHECK_RET( Ok(), wxT("wxDC::DoCrossHair Invalid window dc") );
590
591 if (m_pen.GetStyle() != wxTRANSPARENT)
592 {
593 int w = 0;
594 int h = 0;
595 GetSize( &w, &h );
596 wxCoord xx = XLOG2DEV(x);
597 wxCoord yy = YLOG2DEV(y);
598
599 MacInstallPen();
600 ::MoveTo( 0, yy );
601 ::LineTo( XLOG2DEVREL(w), yy );
602 ::MoveTo( xx, 0 );
603 ::LineTo( xx, YLOG2DEVREL(h) );
604 }
605 }
606
607 /*
608 * To draw arcs properly the angles need to be converted from the WX style:
609 * Angles start on the +ve X axis and go anti-clockwise (As you would draw on
610 * a normal axis on paper).
611 * TO
612 * the Mac style:
613 * Angles start on the +ve y axis and go clockwise.
614 * To achive this I work out which quadrant the angle lies in then map this to
615 * the equivalent quadrant on the Mac. (Sin and Cos values reveal which
616 * quadrant you are in).
617 */
618 static double wxConvertWXangleToMACangle(double angle)
619 {
620 double sin_a, cos_a;
621
622 sin_a = sin(angle / RAD2DEG);
623 cos_a = cos(angle / RAD2DEG);
624
625 if( (sin_a >= 0.0) && (cos_a >= 0.0) ) {
626 angle = acos(sin_a) * RAD2DEG;
627 }
628 else if( (sin_a >= 0.0) && (cos_a <= 0.0) ) {
629 sin_a *= -1;
630 angle = acos(sin_a) * RAD2DEG + 180;
631 }
632 else if( (sin_a <= 0.0) && (cos_a >= 0.0) ) {
633 angle = acos(sin_a) * RAD2DEG + 180;
634 }
635 else if( (sin_a < 0.0) && (cos_a < 0.0) ) {
636 sin_a *= -1;
637 angle = acos(sin_a) * RAD2DEG + 180;
638 }
639 return angle;
640 }
641
642 void wxDC::DoDrawArc( wxCoord x1, wxCoord y1,
643 wxCoord x2, wxCoord y2,
644 wxCoord xc, wxCoord yc )
645 {
646 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawArc Invalid DC"));
647
648 wxCoord xx1 = XLOG2DEV(x1);
649 wxCoord yy1 = YLOG2DEV(y1);
650 wxCoord xx2 = XLOG2DEV(x2);
651 wxCoord yy2 = YLOG2DEV(y2);
652 wxCoord xxc = XLOG2DEV(xc);
653 wxCoord yyc = YLOG2DEV(yc);
654 double dx = xx1 - xxc;
655 double dy = yy1 - yyc;
656 double radius = sqrt((double)(dx*dx+dy*dy));
657 wxCoord rad = (wxCoord)radius;
658 double radius1, radius2;
659
660 if (xx1 == xx2 && yy1 == yy2)
661 {
662 radius1 = 0.0;
663 radius2 = 360.0;
664 }
665 else if (radius == 0.0)
666 {
667 radius1 = radius2 = 0.0;
668 }
669 else
670 {
671 radius1 = (xx1 - xxc == 0) ?
672 (yy1 - yyc < 0) ? 90.0 : -90.0 :
673 -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
674 radius2 = (xx2 - xxc == 0) ?
675 (yy2 - yyc < 0) ? 90.0 : -90.0 :
676 -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
677 }
678 wxCoord alpha2 = wxCoord(radius2 - radius1);
679 wxCoord alpha1 = wxCoord(wxConvertWXangleToMACangle(radius1));
680 if( (xx1 > xx2) || (yy1 > yy2) ) {
681 alpha2 *= -1;
682 }
683
684 Rect r = { yyc - rad, xxc - rad, yyc + rad, xxc + rad };
685
686 if(m_brush.GetStyle() != wxTRANSPARENT) {
687 MacInstallBrush();
688 PaintArc(&r, alpha1, alpha2);
689 }
690 if(m_pen.GetStyle() != wxTRANSPARENT) {
691 MacInstallPen();
692 FrameArc(&r, alpha1, alpha2);
693 }
694 }
695
696 void wxDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
697 double sa, double ea )
698 {
699 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawEllepticArc Invalid DC"));
700
701 Rect r;
702 double angle = sa - ea; // Order important Mac in opposite direction to wx
703
704 wxCoord xx = XLOG2DEV(x);
705 wxCoord yy = YLOG2DEV(y);
706 wxCoord ww = m_signX * XLOG2DEVREL(w);
707 wxCoord hh = m_signY * YLOG2DEVREL(h);
708
709 // handle -ve width and/or height
710 if (ww < 0) { ww = -ww; xx = xx - ww; }
711 if (hh < 0) { hh = -hh; yy = yy - hh; }
712
713 sa = wxConvertWXangleToMACangle(sa);
714
715 r.top = yy;
716 r.left = xx;
717 r.bottom = yy + hh;
718 r.right = xx + ww;
719
720 if(m_brush.GetStyle() != wxTRANSPARENT) {
721 MacInstallBrush();
722 PaintArc(&r, (short)sa, (short)angle);
723 }
724 if(m_pen.GetStyle() != wxTRANSPARENT) {
725 MacInstallPen();
726 FrameArc(&r, (short)sa, (short)angle);
727 }
728 }
729
730 void wxDC::DoDrawPoint( wxCoord x, wxCoord y )
731 {
732 wxCHECK_RET(Ok(), wxT("Invalid DC"));
733
734 wxMacPortSetter helper(this) ;
735
736 if (m_pen.GetStyle() != wxTRANSPARENT)
737 {
738 MacInstallPen() ;
739 wxCoord xx1 = XLOG2DEV(x);
740 wxCoord yy1 = YLOG2DEV(y);
741
742 ::MoveTo(xx1,yy1);
743 ::LineTo(xx1+1, yy1+1);
744 }
745 }
746
747 void wxDC::DoDrawLines(int n, wxPoint points[],
748 wxCoord xoffset, wxCoord yoffset)
749 {
750 wxCHECK_RET(Ok(), wxT("Invalid DC"));
751 wxMacPortSetter helper(this) ;
752
753 if (m_pen.GetStyle() == wxTRANSPARENT)
754 return;
755
756 MacInstallPen() ;
757
758 wxCoord offset = ( (m_pen.GetWidth() == 0 ? 1 :
759 m_pen.GetWidth() ) * (wxCoord)m_scaleX - 1) / 2 ;
760
761 wxCoord x1, x2 , y1 , y2 ;
762 x1 = XLOG2DEV(points[0].x + xoffset);
763 y1 = YLOG2DEV(points[0].y + yoffset);
764 ::MoveTo(x1 - offset, y1 - offset );
765
766 for (int i = 0; i < n-1; i++)
767 {
768 x2 = XLOG2DEV(points[i+1].x + xoffset);
769 y2 = YLOG2DEV(points[i+1].y + yoffset);
770 ::LineTo( x2 - offset, y2 - offset );
771 }
772 }
773
774 void wxDC::DoDrawPolygon(int n, wxPoint points[],
775 wxCoord xoffset, wxCoord yoffset,
776 int fillStyle )
777 {
778 wxCHECK_RET(Ok(), wxT("Invalid DC"));
779 wxMacPortSetter helper(this) ;
780
781 wxCoord x1, x2 , y1 , y2 ;
782
783 if (m_brush.GetStyle() != wxTRANSPARENT)
784 {
785 PolyHandle polygon = OpenPoly();
786
787 x1 = XLOG2DEV(points[0].x + xoffset);
788 y1 = YLOG2DEV(points[0].y + yoffset);
789 ::MoveTo(x1,y1);
790
791 for (int i = 0; i < n-1; i++)
792 {
793 x2 = XLOG2DEV(points[i+1].x + xoffset);
794 y2 = YLOG2DEV(points[i+1].y + yoffset);
795 ::LineTo(x2, y2);
796 }
797
798 ClosePoly();
799
800 MacInstallBrush();
801 ::PaintPoly( polygon );
802
803 KillPoly( polygon );
804 }
805
806 if (m_pen.GetStyle() != wxTRANSPARENT)
807 {
808 PolyHandle polygon = OpenPoly();
809
810 x1 = XLOG2DEV(points[0].x + xoffset);
811 y1 = YLOG2DEV(points[0].y + yoffset);
812 ::MoveTo(x1,y1);
813
814 for (int i = 0; i < n-1; i++)
815 {
816 x2 = XLOG2DEV(points[i+1].x + xoffset);
817 y2 = YLOG2DEV(points[i+1].y + yoffset);
818 ::LineTo(x2, y2);
819 }
820
821 // return to origin to close path
822 ::LineTo(x1,y1);
823
824 ClosePoly();
825
826 MacInstallPen() ;
827 ::FramePoly( polygon ) ;
828
829 KillPoly( polygon );
830 }
831 }
832
833 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
834 {
835 wxCHECK_RET(Ok(), wxT("Invalid DC"));
836 wxMacPortSetter helper(this) ;
837
838 wxCoord xx = XLOG2DEV(x);
839 wxCoord yy = YLOG2DEV(y);
840 wxCoord ww = m_signX * XLOG2DEVREL(width);
841 wxCoord hh = m_signY * YLOG2DEVREL(height);
842
843 // CMB: draw nothing if transformed w or h is 0
844 if (ww == 0 || hh == 0)
845 return;
846
847 // CMB: handle -ve width and/or height
848 if (ww < 0)
849 {
850 ww = -ww;
851 xx = xx - ww;
852 }
853
854 if (hh < 0)
855 {
856 hh = -hh;
857 yy = yy - hh;
858 }
859
860 Rect rect = { yy , xx , yy + hh , xx + ww } ;
861
862 if (m_brush.GetStyle() != wxTRANSPARENT)
863 {
864 MacInstallBrush() ;
865 ::PaintRect( &rect ) ;
866 }
867
868 if (m_pen.GetStyle() != wxTRANSPARENT)
869 {
870 MacInstallPen() ;
871 ::FrameRect( &rect ) ;
872 }
873 }
874
875 void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
876 wxCoord width, wxCoord height,
877 double radius)
878 {
879 wxCHECK_RET(Ok(), wxT("Invalid DC"));
880 wxMacPortSetter helper(this) ;
881
882 if (radius < 0.0)
883 radius = - radius * ((width < height) ? width : height);
884
885 wxCoord xx = XLOG2DEV(x);
886 wxCoord yy = YLOG2DEV(y);
887 wxCoord ww = m_signX * XLOG2DEVREL(width);
888 wxCoord hh = m_signY * YLOG2DEVREL(height);
889
890 // CMB: draw nothing if transformed w or h is 0
891 if (ww == 0 || hh == 0)
892 return;
893
894 // CMB: handle -ve width and/or height
895 if (ww < 0)
896 {
897 ww = -ww;
898 xx = xx - ww;
899 }
900
901 if (hh < 0)
902 {
903 hh = -hh;
904 yy = yy - hh;
905 }
906
907 Rect rect = { yy , xx , yy + hh , xx + ww } ;
908
909 if (m_brush.GetStyle() != wxTRANSPARENT)
910 {
911 MacInstallBrush() ;
912 ::PaintRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
913 }
914
915 if (m_pen.GetStyle() != wxTRANSPARENT)
916 {
917 MacInstallPen() ;
918 ::FrameRoundRect( &rect , int(radius * 2) , int(radius * 2) ) ;
919 }
920 }
921
922 void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
923 {
924 wxCHECK_RET(Ok(), wxT("Invalid DC"));
925 wxMacPortSetter helper(this) ;
926
927 wxCoord xx = XLOG2DEV(x);
928 wxCoord yy = YLOG2DEV(y);
929 wxCoord ww = m_signX * XLOG2DEVREL(width);
930 wxCoord hh = m_signY * YLOG2DEVREL(height);
931
932 // CMB: draw nothing if transformed w or h is 0
933 if (ww == 0 || hh == 0)
934 return;
935
936 // CMB: handle -ve width and/or height
937 if (ww < 0)
938 {
939 ww = -ww;
940 xx = xx - ww;
941 }
942
943 if (hh < 0)
944 {
945 hh = -hh;
946 yy = yy - hh;
947 }
948
949 Rect rect = { yy , xx , yy + hh , xx + ww } ;
950
951 if (m_brush.GetStyle() != wxTRANSPARENT)
952 {
953 MacInstallBrush() ;
954 ::PaintOval( &rect ) ;
955 }
956
957 if (m_pen.GetStyle() != wxTRANSPARENT)
958 {
959 MacInstallPen() ;
960 ::FrameOval( &rect ) ;
961 }
962 }
963
964
965
966 bool wxDC::CanDrawBitmap(void) const
967 {
968 return true ;
969 }
970
971
972 bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
973 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
974 wxCoord xsrcMask, wxCoord ysrcMask )
975 {
976 wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
977 wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit Illegal source DC"));
978 wxMacPortSetter helper(this) ;
979
980 /* TODO: use the mask origin when drawing transparently */
981 if (xsrcMask == -1 && ysrcMask == -1)
982 {
983 xsrcMask = xsrc; ysrcMask = ysrc;
984 }
985
986 CGrafPtr sourcePort = (CGrafPtr) source->m_macPort ;
987 PixMapHandle bmappixels = GetGWorldPixMap( sourcePort ) ;
988 RGBColor white = { 0xFFFF, 0xFFFF,0xFFFF} ;
989 RGBColor black = { 0,0,0} ;
990 RGBColor forecolor = m_textForegroundColour.GetPixel();
991 RGBColor backcolor = m_textBackgroundColour.GetPixel();
992 RGBForeColor( &forecolor ) ;
993 RGBBackColor( &backcolor ) ;
994
995 if ( LockPixels(bmappixels) )
996 {
997 Rect srcrect , dstrect ;
998 srcrect.top = source->YLOG2DEV(ysrc) + source->m_macLocalOrigin.v ;
999 srcrect.left = source->XLOG2DEV(xsrc) + source->m_macLocalOrigin.h ;
1000 srcrect.right = source->XLOG2DEV(xsrc + width ) + source->m_macLocalOrigin.v;
1001 srcrect.bottom = source->YLOG2DEV(ysrc + height) + source->m_macLocalOrigin.h;
1002 dstrect.top = YLOG2DEV(ydest) ;
1003 dstrect.left = XLOG2DEV(xdest) ;
1004 dstrect.bottom = YLOG2DEV(ydest + height ) ;
1005 dstrect.right = XLOG2DEV(xdest + width ) ;
1006
1007 short mode = (logical_func == wxCOPY ? srcCopy :
1008 // logical_func == wxCLEAR ? WHITENESS :
1009 // logical_func == wxSET ? BLACKNESS :
1010 logical_func == wxINVERT ? hilite :
1011 // logical_func == wxAND ? MERGECOPY :
1012 logical_func == wxOR ? srcOr :
1013 logical_func == wxSRC_INVERT ? notSrcCopy :
1014 logical_func == wxXOR ? srcXor :
1015 // logical_func == wxOR_REVERSE ? MERGEPAINT :
1016 // logical_func == wxAND_REVERSE ? SRCERASE :
1017 // logical_func == wxSRC_OR ? srcOr :
1018 // logical_func == wxSRC_AND ? SRCAND :
1019 srcCopy );
1020
1021 if ( useMask && source->m_macMask )
1022 {
1023 if ( mode == srcCopy )
1024 {
1025 if ( LockPixels( GetGWorldPixMap( source->m_macMask ) ) )
1026 {
1027 CopyMask( GetPortBitMapForCopyBits( sourcePort ) ,
1028 GetPortBitMapForCopyBits( source->m_macMask ) ,
1029 GetPortBitMapForCopyBits( m_macPort ) ,
1030 &srcrect, &srcrect , &dstrect ) ;
1031 UnlockPixels( GetGWorldPixMap( source->m_macMask ) ) ;
1032 }
1033 }
1034 else
1035 {
1036 RgnHandle clipRgn = NewRgn() ;
1037
1038 LockPixels( GetGWorldPixMap( source->m_macMask ) ) ;
1039 BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( source->m_macMask ) ) ;
1040 UnlockPixels( GetGWorldPixMap( source->m_macMask ) ) ;
1041 //OffsetRgn( clipRgn , -source->m_macMask->portRect.left , -source->m_macMask->portRect.top ) ;
1042 OffsetRgn( clipRgn , -srcrect.left + dstrect.left, -srcrect.top + dstrect.top ) ;
1043 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1044 GetPortBitMapForCopyBits( m_macPort ) ,
1045 &srcrect, &dstrect, mode, clipRgn ) ;
1046 DisposeRgn( clipRgn ) ;
1047 }
1048 }
1049 else
1050 {
1051 CopyBits( GetPortBitMapForCopyBits( sourcePort ) ,
1052 GetPortBitMapForCopyBits( m_macPort ) ,
1053 &srcrect, &dstrect, mode, NULL ) ;
1054 }
1055 UnlockPixels( bmappixels ) ;
1056 }
1057
1058 m_macPenInstalled = false ;
1059 m_macBrushInstalled = false ;
1060 m_macFontInstalled = false ;
1061
1062 return TRUE;
1063 }
1064
1065 void wxDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
1066 double angle)
1067 {
1068 wxCHECK_RET( Ok(), wxT("wxDC::DoDrawRotatedText Invalid window dc") );
1069
1070 if (angle == 0.0)
1071 {
1072 DrawText(text, x, y);
1073 return;
1074 }
1075
1076 MacInstallFont();
1077
1078 // the size of the text
1079 wxCoord w, h;
1080 GetTextExtent(text, &w, &h);
1081
1082 // draw the string normally
1083 wxBitmap src(w, h);
1084 wxMemoryDC dc;
1085 dc.SelectObject(src);
1086 dc.SetFont(GetFont());
1087 dc.SetBackground(*wxWHITE_BRUSH);
1088 dc.SetBrush(*wxBLACK_BRUSH);
1089 dc.Clear();
1090 dc.DrawText(text, 0, 0);
1091 dc.SetFont(wxNullFont);
1092 dc.SelectObject(wxNullBitmap);
1093
1094 wxMacPortSetter helper(this) ;
1095
1096 // Calculate the size of the rotated bounding box.
1097 double rad = DegToRad(angle);
1098 double dx = cos(rad);
1099 double dy = sin(rad);
1100
1101 // the rectngle vertices are counted clockwise with the first one being at
1102 // (0, 0) (or, rather, at (x, y))
1103 double x2 = w * dx;
1104 double y2 = -w * dy; // y axis points to the bottom, hence minus
1105 double x4 = h * dy;
1106 double y4 = h * dx;
1107 double x3 = x4 + x2;
1108 double y3 = y4 + y2;
1109
1110 // calc max and min
1111 wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5);
1112 wxCoord maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5);
1113 wxCoord minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5);
1114 wxCoord minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
1115
1116 // prepare to blit-with-rotate the bitmap to the DC
1117 wxImage image(src);
1118
1119 RGBColor colText = m_textForegroundColour.GetPixel();
1120 RGBColor colBack = m_textBackgroundColour.GetPixel();
1121
1122 unsigned char *data = image.GetData();
1123
1124 wxCoord dstX, dstY;
1125 double r, angleOrig;
1126 bool textPixel;
1127
1128 // paint pixel by pixel
1129 for ( wxCoord srcX = 0; srcX < w; srcX++ )
1130 {
1131 for ( wxCoord srcY = 0; srcY < h; srcY++ )
1132 {
1133 // transform source coords to dest coords
1134 r = sqrt( (double)(srcX * srcX + srcY * srcY) );
1135 angleOrig = atan2((double)srcY, (double)srcX) - rad;
1136 dstX = (wxCoord)(r * cos(angleOrig) + 0.5);
1137 dstY = (wxCoord)(r * sin(angleOrig) + 0.5);
1138
1139 // black pixel?
1140 textPixel = data[(srcY*w + srcX)*3] == 0;
1141 if ( textPixel || (m_backgroundMode == wxSOLID) )
1142 {
1143 SetCPixel(XLOG2DEV(x + dstX), YLOG2DEV(y + dstY),
1144 textPixel ? &colText : &colBack);
1145 }
1146 }
1147 }
1148
1149 // it would be better to draw with non underlined font and draw the line
1150 // manually here (it would be more straight...)
1151 #if 0
1152 if ( m_font.GetUnderlined() )
1153 {
1154 ::MoveTo(XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent));
1155 ::LineTo(XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
1156 }
1157 #endif // 0
1158
1159 // update the bounding box
1160 CalcBoundingBox(x + minX, y + minY);
1161 CalcBoundingBox(x + maxX, y + maxY);
1162 }
1163 void wxDC::DoDrawText(const wxString& strtext, wxCoord x, wxCoord y)
1164 {
1165 wxCHECK_RET(Ok(), wxT("wxDC::DoDrawText Invalid DC"));
1166 wxMacPortSetter helper(this) ;
1167
1168 long xx = XLOG2DEV(x);
1169 long yy = YLOG2DEV(y);
1170
1171 // if (m_pen.GetStyle() != wxTRANSPARENT)
1172 {
1173 MacInstallFont() ;
1174 /*
1175 Rect clip = { -32000 , -32000 , 32000 , 32000 } ;
1176
1177 ::ClipRect( &clip ) ;
1178 */
1179
1180 FontInfo fi ;
1181 ::GetFontInfo( &fi ) ;
1182
1183 yy += fi.ascent ;
1184 ::MoveTo( xx , yy );
1185 if ( m_backgroundMode == wxTRANSPARENT )
1186 {
1187 ::TextMode( srcOr) ;
1188 }
1189 else
1190 {
1191 ::TextMode( srcCopy ) ;
1192 }
1193
1194 const char *text = NULL ;
1195 int length = 0 ;
1196 wxString macText ;
1197
1198 if ( wxApp::s_macDefaultEncodingIsPC )
1199 {
1200 macText = wxMacMakeMacStringFromPC( strtext ) ;
1201 text = macText ;
1202 length = macText.Length() ;
1203 }
1204 else
1205 {
1206 text = strtext ;
1207 length = strtext.Length() ;
1208 }
1209
1210 int laststop = 0 ;
1211 int i = 0 ;
1212 int line = 0 ;
1213
1214 while( i < length )
1215 {
1216 if( text[i] == 13 || text[i] == 10)
1217 {
1218 ::DrawText( text , laststop , i - laststop ) ;
1219 line++ ;
1220 ::MoveTo( xx , yy + line*(fi.descent + fi.ascent + fi.leading) );
1221 laststop = i+1 ;
1222 }
1223 i++ ;
1224 }
1225
1226 ::DrawText( text , laststop , i - laststop ) ;
1227 ::TextMode( srcOr ) ;
1228 }
1229 }
1230
1231 bool wxDC::CanGetTextExtent() const
1232 {
1233 wxCHECK_MSG(Ok(), false, wxT("Invalid DC"));
1234
1235 return true ;
1236 }
1237
1238 void wxDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1239 wxCoord *descent, wxCoord *externalLeading ,
1240 wxFont *theFont ) const
1241 {
1242 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1243 wxMacPortSetter helper(this) ;
1244
1245 wxFont formerFont = m_font ;
1246
1247 if ( theFont )
1248 {
1249 wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1250
1251 if ( font )
1252 {
1253 ::TextFont( font->m_macFontNum ) ;
1254 ::TextSize( YLOG2DEVREL( font->m_macFontSize) ) ;
1255 ::TextFace( font->m_macFontStyle ) ;
1256 }
1257 }
1258 else
1259 {
1260 MacInstallFont() ;
1261 }
1262
1263 FontInfo fi ;
1264 ::GetFontInfo( &fi ) ;
1265
1266 if ( height )
1267 *height = YDEV2LOGREL( fi.descent + fi.ascent ) ;
1268 if ( descent )
1269 *descent =YDEV2LOGREL( fi.descent );
1270 if ( externalLeading )
1271 *externalLeading = YDEV2LOGREL( fi.leading ) ;
1272
1273 const char *text = NULL ;
1274 int length = 0 ;
1275 wxString macText ;
1276 if ( wxApp::s_macDefaultEncodingIsPC )
1277 {
1278 macText = wxMacMakeMacStringFromPC( string ) ;
1279 text = macText ;
1280 length = macText.Length() ;
1281 }
1282 else
1283 {
1284 text = string ;
1285 length = string.Length() ;
1286 }
1287
1288 int laststop = 0 ;
1289 int i = 0 ;
1290 int curwidth = 0 ;
1291 if ( width )
1292 {
1293 *width = 0 ;
1294
1295 while( i < length )
1296 {
1297 if( text[i] == 13 || text[i] == 10)
1298 {
1299 if ( height )
1300 *height += YDEV2LOGREL( fi.descent + fi.ascent + fi.leading ) ;
1301 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1302 if ( curwidth > *width )
1303 *width = XDEV2LOGREL( curwidth ) ;
1304 laststop = i+1 ;
1305 }
1306 i++ ;
1307 }
1308
1309 curwidth = ::TextWidth( text , laststop , i - laststop ) ;
1310 if ( curwidth > *width )
1311 *width = XDEV2LOGREL( curwidth ) ;
1312 }
1313
1314 if ( theFont )
1315 {
1316 m_macFontInstalled = false ;
1317 }
1318 }
1319
1320 wxCoord wxDC::GetCharWidth(void) const
1321 {
1322 wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1323
1324 wxMacPortSetter helper(this) ;
1325
1326 MacInstallFont() ;
1327
1328 int width = ::TextWidth( "n" , 0 , 1 ) ;
1329
1330 return YDEV2LOGREL(width) ;
1331 }
1332
1333 wxCoord wxDC::GetCharHeight(void) const
1334 {
1335 wxCHECK_MSG(Ok(), 1, wxT("Invalid DC"));
1336
1337 wxMacPortSetter helper(this) ;
1338
1339 MacInstallFont() ;
1340
1341 FontInfo fi ;
1342 ::GetFontInfo( &fi ) ;
1343
1344 return YDEV2LOGREL( fi.descent + fi.ascent );
1345 }
1346
1347 void wxDC::Clear(void)
1348 {
1349 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1350 wxMacPortSetter helper(this) ;
1351 Rect rect = { -32767 , -32767 , 32767 , 32767 } ;
1352
1353 if (m_backgroundBrush.GetStyle() != wxTRANSPARENT)
1354 {
1355 MacInstallBrush() ;
1356 ::EraseRect( &rect ) ;
1357 }
1358 }
1359
1360 void wxDC::MacInstallFont() const
1361 {
1362 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1363 // if ( m_macFontInstalled )
1364 // return ;
1365 Pattern blackColor ;
1366
1367 wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;
1368
1369 if ( font )
1370 {
1371 ::TextFont( font->m_macFontNum ) ;
1372 ::TextSize( short(m_scaleY * font->m_macFontSize) ) ;
1373 ::TextFace( font->m_macFontStyle ) ;
1374
1375 m_macFontInstalled = true ;
1376 m_macBrushInstalled = false ;
1377 m_macPenInstalled = false ;
1378
1379 RGBColor forecolor = m_textForegroundColour.GetPixel();
1380 RGBColor backcolor = m_textBackgroundColour.GetPixel();
1381 ::RGBForeColor( &forecolor );
1382 ::RGBBackColor( &backcolor );
1383 }
1384 else
1385 {
1386 short fontnum ;
1387
1388 GetFNum( "\pGeneva" , &fontnum ) ;
1389 ::TextFont( fontnum ) ;
1390 ::TextSize( short(m_scaleY * 10) ) ;
1391 ::TextFace( 0 ) ;
1392
1393 // todo reset after spacing changes - or store the current spacing somewhere
1394
1395 m_macFontInstalled = true ;
1396 m_macBrushInstalled = false ;
1397 m_macPenInstalled = false ;
1398
1399 RGBColor forecolor = m_textForegroundColour.GetPixel();
1400 RGBColor backcolor = m_textBackgroundColour.GetPixel();
1401 ::RGBForeColor( &forecolor );
1402 ::RGBBackColor( &backcolor );
1403 }
1404
1405 short mode = patCopy ;
1406
1407 // todo :
1408
1409 switch( m_logicalFunction )
1410 {
1411 case wxCOPY: // src
1412 mode = patCopy ;
1413 break ;
1414 case wxINVERT: // NOT dst
1415 ::PenPat(GetQDGlobalsBlack(&blackColor));
1416 mode = patXor ;
1417 break ;
1418 case wxXOR: // src XOR dst
1419 mode = patXor ;
1420 break ;
1421 case wxOR_REVERSE: // src OR (NOT dst)
1422 mode = notPatOr ;
1423 break ;
1424 case wxSRC_INVERT: // (NOT src)
1425 mode = notPatCopy ;
1426 break ;
1427
1428 // unsupported TODO
1429
1430 case wxCLEAR: // 0
1431 case wxAND_REVERSE:// src AND (NOT dst)
1432 case wxAND: // src AND dst
1433 case wxAND_INVERT: // (NOT src) AND dst
1434 case wxNO_OP: // dst
1435 case wxNOR: // (NOT src) AND (NOT dst)
1436 case wxEQUIV: // (NOT src) XOR dst
1437 case wxOR_INVERT: // (NOT src) OR dst
1438 case wxNAND: // (NOT src) OR (NOT dst)
1439 case wxOR: // src OR dst
1440 case wxSET: // 1
1441 // case wxSRC_OR: // source _bitmap_ OR destination
1442 // case wxSRC_AND: // source _bitmap_ AND destination
1443 break ;
1444 }
1445 ::PenMode( mode ) ;
1446 }
1447
1448 static void wxMacGetHatchPattern(int hatchStyle, Pattern *pattern)
1449 {
1450 int thePatListID = sysPatListID;
1451 int theIndex;
1452 switch(hatchStyle)
1453 {
1454 case wxBDIAGONAL_HATCH:
1455 theIndex = 34; // WCH: this is not good
1456 break;
1457 case wxFDIAGONAL_HATCH:
1458 theIndex = 26;
1459 break;
1460 case wxCROSS_HATCH:
1461 theIndex = 5;
1462 break;
1463 case wxHORIZONTAL_HATCH:
1464 theIndex = 25;
1465 break;
1466 case wxVERTICAL_HATCH:
1467 theIndex = 6;
1468 break;
1469 case wxCROSSDIAG_HATCH:
1470 theIndex = 4; // WCH: this is not good
1471 break;
1472 default:
1473 theIndex = 1; // solid pattern
1474 break;
1475 }
1476 GetIndPattern( pattern, thePatListID, theIndex);
1477 }
1478
1479 void wxDC::MacInstallPen() const
1480 {
1481 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1482
1483 Pattern blackColor;
1484
1485 // if ( m_macPenInstalled )
1486 // return ;
1487
1488 RGBColor forecolor = m_pen.GetColour().GetPixel();
1489 RGBColor backcolor = m_backgroundBrush.GetColour().GetPixel();
1490 ::RGBForeColor( &forecolor );
1491 ::RGBBackColor( &backcolor );
1492
1493 ::PenNormal() ;
1494 int penWidth = m_pen.GetWidth() * (int) m_scaleX ;
1495
1496 // null means only one pixel, at whatever resolution
1497 if ( penWidth == 0 )
1498 penWidth = 1 ;
1499 ::PenSize(penWidth, penWidth);
1500
1501 int penStyle = m_pen.GetStyle();
1502
1503 if (penStyle == wxSOLID)
1504 {
1505 ::PenPat(GetQDGlobalsBlack(&blackColor));
1506 }
1507 else if (IS_HATCH(penStyle))
1508 {
1509 Pattern pat ;
1510 wxMacGetHatchPattern(penStyle, &pat);
1511 ::PenPat(&pat);
1512 }
1513 else
1514 {
1515 ::PenPat(GetQDGlobalsBlack(&blackColor));
1516 }
1517
1518 short mode = patCopy ;
1519
1520 // todo :
1521
1522 switch( m_logicalFunction )
1523 {
1524 case wxCOPY: // src
1525 mode = patCopy ;
1526 break ;
1527 case wxINVERT: // NOT dst
1528 ::PenPat(GetQDGlobalsBlack(&blackColor));
1529 mode = patXor ;
1530 break ;
1531 case wxXOR: // src XOR dst
1532 mode = patXor ;
1533 break ;
1534 case wxOR_REVERSE: // src OR (NOT dst)
1535 mode = notPatOr ;
1536 break ;
1537 case wxSRC_INVERT: // (NOT src)
1538 mode = notPatCopy ;
1539 break ;
1540
1541 // unsupported TODO
1542
1543 case wxCLEAR: // 0
1544 case wxAND_REVERSE:// src AND (NOT dst)
1545 case wxAND: // src AND dst
1546 case wxAND_INVERT: // (NOT src) AND dst
1547 case wxNO_OP: // dst
1548 case wxNOR: // (NOT src) AND (NOT dst)
1549 case wxEQUIV: // (NOT src) XOR dst
1550 case wxOR_INVERT: // (NOT src) OR dst
1551 case wxNAND: // (NOT src) OR (NOT dst)
1552 case wxOR: // src OR dst
1553 case wxSET: // 1
1554 // case wxSRC_OR: // source _bitmap_ OR destination
1555 // case wxSRC_AND: // source _bitmap_ AND destination
1556 break ;
1557 }
1558 ::PenMode( mode ) ;
1559 m_macPenInstalled = true ;
1560 m_macBrushInstalled = false ;
1561 m_macFontInstalled = false ;
1562 }
1563
1564 int wxDC::MacSetupBackgroundForCurrentPort(const wxBrush& background )
1565 {
1566 Pattern whiteColor ;
1567 if ( background.IsMacTheme() )
1568 {
1569 SetThemeBackground( background.GetMacTheme() , wxDisplayDepth() , true ) ;
1570 }
1571 else if ( background.IsMacThemeBackground() )
1572 {
1573 Rect originBox = { 0,0,1,1 } ;
1574 ::ApplyThemeBackground( background.GetMacThemeBackground() , &originBox ,kThemeStateActive ,
1575 wxDisplayDepth() , true ) ;
1576 }
1577 else
1578 {
1579 ::RGBBackColor( &background.GetColour().GetPixel() );
1580 int brushStyle = background.GetStyle();
1581 if (brushStyle == wxSOLID)
1582 ::BackPat(GetQDGlobalsWhite(&whiteColor));
1583 else if (IS_HATCH(brushStyle))
1584 {
1585 Pattern pat ;
1586 wxMacGetHatchPattern(brushStyle, &pat);
1587 ::BackPat(&pat);
1588 }
1589 else
1590 {
1591 ::BackPat(GetQDGlobalsWhite(&whiteColor));
1592 }
1593 }
1594 return 0 ;
1595 }
1596
1597 void wxDC::MacInstallBrush() const
1598 {
1599 wxCHECK_RET(Ok(), wxT("Invalid DC"));
1600
1601 Pattern blackColor ;
1602 // if ( m_macBrushInstalled )
1603 // return ;
1604
1605 // foreground
1606
1607 ::RGBForeColor( &m_brush.GetColour().GetPixel() );
1608
1609 int brushStyle = m_brush.GetStyle();
1610 if (brushStyle == wxSOLID)
1611 ::PenPat(GetQDGlobalsBlack(&blackColor));
1612 else if (IS_HATCH(brushStyle))
1613 {
1614 Pattern pat ;
1615 wxMacGetHatchPattern(brushStyle, &pat);
1616 ::PenPat(&pat);
1617 }
1618 else
1619 {
1620 ::PenPat(GetQDGlobalsBlack(&blackColor));
1621 }
1622
1623
1624 // background
1625
1626 MacSetupBackgroundForCurrentPort( m_backgroundBrush ) ;
1627
1628
1629 // todo :
1630
1631 short mode = patCopy ;
1632 switch( m_logicalFunction )
1633 {
1634 case wxCOPY: // src
1635 mode = patCopy ;
1636 break ;
1637 case wxINVERT: // NOT dst
1638 ::PenPat(GetQDGlobalsBlack(&blackColor));
1639 mode = patXor ;
1640 break ;
1641 case wxXOR: // src XOR dst
1642 mode = patXor ;
1643 break ;
1644 case wxOR_REVERSE: // src OR (NOT dst)
1645 mode = notPatOr ;
1646 break ;
1647 case wxSRC_INVERT: // (NOT src)
1648 mode = notPatCopy ;
1649 break ;
1650
1651 // unsupported TODO
1652
1653 case wxCLEAR: // 0
1654 case wxAND_REVERSE:// src AND (NOT dst)
1655 case wxAND: // src AND dst
1656 case wxAND_INVERT: // (NOT src) AND dst
1657 case wxNO_OP: // dst
1658 case wxNOR: // (NOT src) AND (NOT dst)
1659 case wxEQUIV: // (NOT src) XOR dst
1660 case wxOR_INVERT: // (NOT src) OR dst
1661 case wxNAND: // (NOT src) OR (NOT dst)
1662 case wxOR: // src OR dst
1663 case wxSET: // 1
1664 // case wxSRC_OR: // source _bitmap_ OR destination
1665 // case wxSRC_AND: // source _bitmap_ AND destination
1666 break ;
1667 }
1668 ::PenMode( mode ) ;
1669 m_macBrushInstalled = true ;
1670 m_macPenInstalled = false ;
1671 m_macFontInstalled = false ;
1672 }
1673
1674 // ---------------------------------------------------------------------------
1675 // coordinates transformations
1676 // ---------------------------------------------------------------------------
1677
1678
1679 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
1680 {
1681 return ((wxDC *)this)->XDEV2LOG(x);
1682 }
1683
1684 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
1685 {
1686 return ((wxDC *)this)->YDEV2LOG(y);
1687 }
1688
1689 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
1690 {
1691 return ((wxDC *)this)->XDEV2LOGREL(x);
1692 }
1693
1694 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
1695 {
1696 return ((wxDC *)this)->YDEV2LOGREL(y);
1697 }
1698
1699 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
1700 {
1701 return ((wxDC *)this)->XLOG2DEV(x);
1702 }
1703
1704 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
1705 {
1706 return ((wxDC *)this)->YLOG2DEV(y);
1707 }
1708
1709 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
1710 {
1711 return ((wxDC *)this)->XLOG2DEVREL(x);
1712 }
1713
1714 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
1715 {
1716 return ((wxDC *)this)->YLOG2DEVREL(y);
1717 }
wxWidgets (Impactor)