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