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partly successful (i.e. previously it didn't work at all and spewed Pango warnings...
[wxWidgets.git] / src / x11 / dcclient.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/x11/dcclient.cpp
3 // Purpose: wxClientDC class
4 // Author: Julian Smart, Robert Roebling
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart, Robert Roebling
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // for compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #include "wx/dcclient.h"
16
17 #ifndef WX_PRECOMP
18 #include "wx/app.h"
19 #include "wx/window.h"
20 #include "wx/dcmemory.h"
21 #include "wx/math.h"
22 #include "wx/image.h"
23 #include "wx/module.h"
24 #endif
25
26 #include "wx/fontutil.h"
27
28 #include "wx/x11/private.h"
29
30 #if wxUSE_UNICODE
31 #include "glib.h"
32 #include "pango/pangox.h"
33 #ifdef HAVE_PANGO_XFT
34 #include "pango/pangoxft.h"
35 #endif
36
37 #include "pango_x.cpp"
38 #endif
39
40 //-----------------------------------------------------------------------------
41 // local defines
42 //-----------------------------------------------------------------------------
43
44 #define USE_PAINT_REGION 1
45
46 //-----------------------------------------------------------------------------
47 // local data
48 //-----------------------------------------------------------------------------
49
50 #include "bdiag.xbm"
51 #include "fdiag.xbm"
52 #include "cdiag.xbm"
53 #include "horiz.xbm"
54 #include "verti.xbm"
55 #include "cross.xbm"
56 #define num_hatches 6
57
58 #define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
59 #define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
60
61 static Pixmap hatches[num_hatches];
62 static Pixmap *hatch_bitmap = (Pixmap *) NULL;
63
64 //-----------------------------------------------------------------------------
65 // constants
66 //-----------------------------------------------------------------------------
67
68 const double RAD2DEG = 180.0 / M_PI;
69
70 // ----------------------------------------------------------------------------
71 // private functions
72 // ----------------------------------------------------------------------------
73
74 static inline double dmax(double a, double b) { return a > b ? a : b; }
75 static inline double dmin(double a, double b) { return a < b ? a : b; }
76
77 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
78
79 //-----------------------------------------------------------------------------
80 // Implement Pool of Graphic contexts. Creating them takes too much time.
81 //-----------------------------------------------------------------------------
82
83 #define GC_POOL_SIZE 200
84
85 enum wxPoolGCType
86 {
87 wxGC_ERROR = 0,
88 wxTEXT_MONO,
89 wxBG_MONO,
90 wxPEN_MONO,
91 wxBRUSH_MONO,
92 wxTEXT_COLOUR,
93 wxBG_COLOUR,
94 wxPEN_COLOUR,
95 wxBRUSH_COLOUR,
96 wxTEXT_SCREEN,
97 wxBG_SCREEN,
98 wxPEN_SCREEN,
99 wxBRUSH_SCREEN
100 };
101
102 struct wxGC
103 {
104 GC m_gc;
105 wxPoolGCType m_type;
106 bool m_used;
107 };
108
109 static wxGC wxGCPool[GC_POOL_SIZE];
110
111 static void wxInitGCPool()
112 {
113 memset( wxGCPool, 0, GC_POOL_SIZE*sizeof(wxGC) );
114 }
115
116 static void wxCleanUpGCPool()
117 {
118 for (int i = 0; i < GC_POOL_SIZE; i++)
119 {
120 if (wxGCPool[i].m_gc)
121 XFreeGC( wxGlobalDisplay(), wxGCPool[i].m_gc );
122 }
123 }
124
125 static GC wxGetPoolGC( Window window, wxPoolGCType type )
126 {
127 for (int i = 0; i < GC_POOL_SIZE; i++)
128 {
129 if (!wxGCPool[i].m_gc)
130 {
131 wxGCPool[i].m_gc = XCreateGC( wxGlobalDisplay(), window, 0, NULL );
132 XSetGraphicsExposures( wxGlobalDisplay(), wxGCPool[i].m_gc, FALSE );
133 wxGCPool[i].m_type = type;
134 wxGCPool[i].m_used = false;
135 }
136 if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type))
137 {
138 wxGCPool[i].m_used = true;
139 return wxGCPool[i].m_gc;
140 }
141 }
142
143 wxFAIL_MSG( wxT("No GC available") );
144
145 return (GC) NULL;
146 }
147
148 static void wxFreePoolGC( GC gc )
149 {
150 for (int i = 0; i < GC_POOL_SIZE; i++)
151 {
152 if (wxGCPool[i].m_gc == gc)
153 {
154 wxGCPool[i].m_used = false;
155 return;
156 }
157 }
158
159 wxFAIL_MSG( wxT("Wrong GC") );
160 }
161
162 // ----------------------------------------------------------------------------
163 // wxWindowDC
164 // ----------------------------------------------------------------------------
165
166 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
167
168 void wxWindowDC::Init()
169 {
170 m_display = (WXDisplay *) NULL;
171 m_penGC = (WXGC *) NULL;
172 m_brushGC = (WXGC *) NULL;
173 m_textGC = (WXGC *) NULL;
174 m_bgGC = (WXGC *) NULL;
175 m_cmap = (WXColormap *) NULL;
176 m_isMemDC = false;
177 m_isScreenDC = false;
178 m_owner = (wxWindow *)NULL;
179
180 #if wxUSE_UNICODE
181 m_context = wxTheApp->GetPangoContext();
182 m_fontdesc = (PangoFontDescription *)NULL;
183 #endif
184 }
185
186 wxWindowDC::wxWindowDC( wxWindow *window )
187 {
188 wxASSERT_MSG( window, wxT("DC needs a window") );
189
190 Init();
191
192 m_font = window->GetFont();
193
194 m_window = (WXWindow*) window->GetMainWindow();
195
196 // not realized ?
197 if (!m_window)
198 {
199 // don't report problems
200 m_ok = true;
201
202 return;
203 }
204
205 m_display = (WXDisplay *) wxGlobalDisplay();
206
207 #if wxUSE_UNICODE
208 m_fontdesc = window->GetFont().GetNativeFontInfo()->description;
209 #endif
210
211 int screen = DefaultScreen( (Display*) m_display );
212 m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
213
214 SetUpDC();
215
216 /* this must be done after SetUpDC, bacause SetUpDC calls the
217 repective SetBrush, SetPen, SetBackground etc functions
218 to set up the DC. SetBackground call m_owner->SetBackground
219 and this might not be desired as the standard dc background
220 is white whereas a window might assume gray to be the
221 standard (as e.g. wxStatusBar) */
222
223 m_owner = window;
224 }
225
226 wxWindowDC::~wxWindowDC()
227 {
228 Destroy();
229 }
230
231 void wxWindowDC::SetUpDC()
232 {
233 m_ok = true;
234
235 wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
236
237 if (m_isScreenDC)
238 {
239 m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_SCREEN );
240 m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_SCREEN );
241 m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_SCREEN );
242 m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_SCREEN );
243 }
244 else
245 if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1))
246 {
247 m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_MONO );
248 m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_MONO );
249 m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_MONO );
250 m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_MONO );
251 }
252 else
253 {
254 m_penGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxPEN_COLOUR );
255 m_brushGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBRUSH_COLOUR );
256 m_textGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxTEXT_COLOUR );
257 m_bgGC = (WXGC*) wxGetPoolGC( (Window) m_window, wxBG_COLOUR );
258 }
259
260 /* background colour */
261 m_backgroundBrush = *wxWHITE_BRUSH;
262 m_backgroundBrush.GetColour().CalcPixel( m_cmap );
263 unsigned long bg_col = m_backgroundBrush.GetColour().GetPixel();
264
265 m_textForegroundColour = *wxBLACK;
266 m_textBackgroundColour = *wxWHITE;
267
268 /* m_textGC */
269 m_textForegroundColour.CalcPixel( m_cmap );
270 XSetForeground( (Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel() );
271
272 m_textBackgroundColour.CalcPixel( m_cmap );
273 XSetBackground( (Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel() );
274
275 XSetFillStyle( (Display*) m_display, (GC) m_textGC, FillSolid );
276
277 #if wxUSE_NANOX
278 // By default, draw transparently
279 GrSetGCUseBackground((GC) m_textGC, FALSE);
280 #endif
281
282 /* m_penGC */
283 m_pen.GetColour().CalcPixel( m_cmap );
284 XSetForeground( (Display*) m_display, (GC) m_penGC, m_pen.GetColour().GetPixel() );
285 XSetBackground( (Display*) m_display, (GC) m_penGC, bg_col );
286
287 XSetLineAttributes( (Display*) m_display, (GC) m_penGC, 0, LineSolid, CapNotLast, JoinRound );
288
289 /* m_brushGC */
290 m_brush.GetColour().CalcPixel( m_cmap );
291 XSetForeground( (Display*) m_display, (GC) m_brushGC, m_brush.GetColour().GetPixel() );
292 XSetBackground( (Display*) m_display, (GC) m_brushGC, bg_col );
293
294 XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillSolid );
295
296 /* m_bgGC */
297 XSetForeground( (Display*) m_display, (GC) m_bgGC, bg_col );
298 XSetBackground( (Display*) m_display, (GC) m_bgGC, bg_col );
299
300 XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillSolid );
301
302 /* ROPs */
303 XSetFunction( (Display*) m_display, (GC) m_textGC, GXcopy );
304 XSetFunction( (Display*) m_display, (GC) m_brushGC, GXcopy );
305 XSetFunction( (Display*) m_display, (GC)m_penGC, GXcopy );
306
307 /* clipping */
308 XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
309 XSetClipMask( (Display*) m_display, (GC) m_brushGC, None );
310 XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
311 XSetClipMask( (Display*) m_display, (GC) m_bgGC, None );
312
313 if (!hatch_bitmap)
314 {
315 int xscreen = DefaultScreen( (Display*) m_display );
316 Window xroot = RootWindow( (Display*) m_display, xscreen );
317
318 hatch_bitmap = hatches;
319 hatch_bitmap[0] = XCreateBitmapFromData( (Display*) m_display, xroot, bdiag_bits, bdiag_width, bdiag_height );
320 hatch_bitmap[1] = XCreateBitmapFromData( (Display*) m_display, xroot, cdiag_bits, cdiag_width, cdiag_height );
321 hatch_bitmap[2] = XCreateBitmapFromData( (Display*) m_display, xroot, fdiag_bits, fdiag_width, fdiag_height );
322 hatch_bitmap[3] = XCreateBitmapFromData( (Display*) m_display, xroot, cross_bits, cross_width, cross_height );
323 hatch_bitmap[4] = XCreateBitmapFromData( (Display*) m_display, xroot, horiz_bits, horiz_width, horiz_height );
324 hatch_bitmap[5] = XCreateBitmapFromData( (Display*) m_display, xroot, verti_bits, verti_width, verti_height );
325 }
326 }
327
328 void wxWindowDC::DoGetSize( int* width, int* height ) const
329 {
330 wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
331
332 m_owner->GetSize(width, height);
333 }
334
335 extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
336 const wxColour & col, int style);
337
338 bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
339 const wxColour& col, int style)
340 {
341 return wxDoFloodFill(this, x, y, col, style);
342 }
343
344 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
345 {
346 // Generic (and therefore rather inefficient) method.
347 // Could be improved.
348 wxMemoryDC memdc;
349 wxBitmap bitmap(1, 1);
350 memdc.SelectObject(bitmap);
351 memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1);
352 memdc.SelectObject(wxNullBitmap);
353 wxImage image(bitmap.ConvertToImage());
354 col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
355 return true;
356 }
357
358 void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
359 {
360 wxCHECK_RET( Ok(), wxT("invalid window dc") );
361
362 if (m_pen.GetStyle() != wxTRANSPARENT)
363 {
364 if (m_window)
365 {
366 // This hack is for the iPaq: XDrawLine draws
367 // nothing, whereas XDrawLines works...
368 wxPoint points[2];
369 points[0].x = x1;
370 points[0].y = y1;
371 points[1].x = x2;
372 points[1].y = y2;
373 DrawLines( 2, points, 0, 0 );
374
375 // XDrawLine( (Display*) m_display, (Window) m_window,
376 // (GC) m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
377 }
378
379 CalcBoundingBox(x1, y1);
380 CalcBoundingBox(x2, y2);
381 }
382 }
383
384 void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
385 {
386 wxCHECK_RET( Ok(), wxT("invalid window dc") );
387
388 if (m_pen.GetStyle() != wxTRANSPARENT)
389 {
390 int w = 0;
391 int h = 0;
392 GetSize( &w, &h );
393 wxCoord xx = XLOG2DEV(x);
394 wxCoord yy = YLOG2DEV(y);
395 if (m_window)
396 {
397 XDrawLine( (Display*) m_display, (Window) m_window,
398 (GC) m_penGC, 0, yy, XLOG2DEVREL(w), yy );
399 XDrawLine( (Display*) m_display, (Window) m_window,
400 (GC) m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
401 }
402 }
403 }
404
405 void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc )
406 {
407 wxCHECK_RET( Ok(), wxT("invalid window dc") );
408
409 wxCoord xx1 = XLOG2DEV(x1);
410 wxCoord yy1 = YLOG2DEV(y1);
411 wxCoord xx2 = XLOG2DEV(x2);
412 wxCoord yy2 = YLOG2DEV(y2);
413 wxCoord xxc = XLOG2DEV(xc);
414 wxCoord yyc = YLOG2DEV(yc);
415 double dx = xx1 - xxc;
416 double dy = yy1 - yyc;
417 double radius = sqrt((double)(dx*dx+dy*dy));
418 wxCoord r = (wxCoord)radius;
419 double radius1, radius2;
420
421 if (xx1 == xx2 && yy1 == yy2)
422 {
423 radius1 = 0.0;
424 radius2 = 360.0;
425 }
426 else
427 if (radius == 0.0)
428 {
429 radius1 = radius2 = 0.0;
430 }
431 else
432 {
433 radius1 = (xx1 - xxc == 0) ?
434 (yy1 - yyc < 0) ? 90.0 : -90.0 :
435 -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
436 radius2 = (xx2 - xxc == 0) ?
437 (yy2 - yyc < 0) ? 90.0 : -90.0 :
438 -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
439 }
440 wxCoord alpha1 = wxCoord(radius1 * 64.0);
441 wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
442 while (alpha2 <= 0) alpha2 += 360*64;
443 while (alpha1 > 360*64) alpha1 -= 360*64;
444
445 if (m_window)
446 {
447 if (m_brush.GetStyle() != wxTRANSPARENT)
448 {
449 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
450 {
451 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
452 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
453 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
454
455 XFillArc( (Display*) m_display, (Window) m_window,
456 (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
457
458 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
459 } else
460 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
461 {
462 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
463 m_deviceOriginX % 15, m_deviceOriginY % 15 );
464
465 XFillArc( (Display*) m_display, (Window) m_window,
466 (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
467
468 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
469 } else
470 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
471 {
472 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
473 m_deviceOriginX % 16, m_deviceOriginY % 16 );
474
475 XFillArc( (Display*) m_display, (Window) m_window,
476 (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
477
478 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
479 } else
480 if (m_brush.GetStyle() == wxSTIPPLE)
481 {
482 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
483 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
484 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
485
486 XFillArc( (Display*) m_display, (Window) m_window,
487 (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
488
489 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
490 }
491 else
492 {
493 XFillArc( (Display*) m_display, (Window) m_window,
494 (GC) m_brushGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
495 }
496 }
497
498 if (m_pen.GetStyle() != wxTRANSPARENT)
499 {
500 XDrawArc( (Display*) m_display, (Window) m_window,
501 (GC) m_penGC, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
502
503 XDrawLine( (Display*) m_display, (Window) m_window,
504 (GC) m_penGC, xx1, yy1, xxc, yyc );
505
506 XDrawLine( (Display*) m_display, (Window) m_window,
507 (GC) m_penGC, xxc, yyc, xx2, yy2 );
508 }
509 }
510
511 CalcBoundingBox (x1, y1);
512 CalcBoundingBox (x2, y2);
513 }
514
515 void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
516 {
517 wxCHECK_RET( Ok(), wxT("invalid window dc") );
518
519 wxCoord xx = XLOG2DEV(x);
520 wxCoord yy = YLOG2DEV(y);
521 wxCoord ww = m_signX * XLOG2DEVREL(width);
522 wxCoord hh = m_signY * YLOG2DEVREL(height);
523
524 // CMB: handle -ve width and/or height
525 if (ww < 0) { ww = -ww; xx = xx - ww; }
526 if (hh < 0) { hh = -hh; yy = yy - hh; }
527
528 if (m_window)
529 {
530 wxCoord start = wxCoord(sa * 64.0);
531 wxCoord end = wxCoord((ea-sa) * 64.0);
532
533 if (m_brush.GetStyle() != wxTRANSPARENT)
534 {
535 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
536 {
537 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
538 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
539 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
540
541 XFillArc( (Display*) m_display, (Window) m_window,
542 (GC) m_textGC, xx, yy, ww, hh, start, end );
543
544 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
545 } else
546 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
547 {
548 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
549 m_deviceOriginX % 15, m_deviceOriginY % 15 );
550
551 XFillArc( (Display*) m_display, (Window) m_window,
552 (GC) m_brushGC, xx, yy, ww, hh, start, end );
553
554 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
555 } else
556 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
557 {
558 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
559 m_deviceOriginX % 16, m_deviceOriginY % 16 );
560
561 XFillArc( (Display*) m_display, (Window) m_window,
562 (GC) m_brushGC, xx, yy, ww, hh, start, end );
563
564 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
565 } else
566 if (m_brush.GetStyle() == wxSTIPPLE)
567 {
568 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
569 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
570 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
571
572 XFillArc( (Display*) m_display, (Window) m_window,
573 (GC) m_brushGC, xx, yy, ww, hh, start, end );
574
575 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
576 }
577 else
578 {
579 XFillArc( (Display*) m_display, (Window) m_window,
580 (GC) m_brushGC, xx, yy, ww, hh, start, end );
581 }
582 }
583
584 if (m_pen.GetStyle() != wxTRANSPARENT)
585 {
586 XDrawArc( (Display*) m_display, (Window) m_window,
587 (GC) m_penGC, xx, yy, ww, hh, start, end );
588 }
589 }
590
591 CalcBoundingBox (x, y);
592 CalcBoundingBox (x + width, y + height);
593 }
594
595 void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
596 {
597 wxCHECK_RET( Ok(), wxT("invalid window dc") );
598
599 if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
600 XDrawPoint( (Display*) m_display, (Window) m_window,
601 (GC) m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
602
603 CalcBoundingBox (x, y);
604 }
605
606 void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
607 {
608 wxCHECK_RET( Ok(), wxT("invalid window dc") );
609
610 if (m_pen.GetStyle() == wxTRANSPARENT) return;
611 if (n <= 0) return;
612
613 XPoint *xpoints = new XPoint[n];
614 for (int i = 0; i < n; i++)
615 {
616 xpoints[i].x = XLOG2DEV (points[i].x + xoffset);
617 xpoints[i].y = YLOG2DEV (points[i].y + yoffset);
618
619 CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset );
620 }
621 XDrawLines( (Display*) m_display, (Window) m_window, (GC) m_penGC, xpoints, n, 0 );
622
623 delete[] xpoints;
624 }
625
626 void wxWindowDC::DoDrawPolygon( int n, wxPoint points[],
627 wxCoord xoffset, wxCoord yoffset, int fillStyle )
628 {
629 wxCHECK_RET( Ok(), wxT("invalid window dc") );
630
631 if (n <= 0) return;
632
633 XPoint *xpoints = new XPoint[n + 1];
634 int i;
635 for (i = 0; i < n; i++)
636 {
637 xpoints[i].x = XLOG2DEV (points[i].x + xoffset);
638 xpoints[i].y = YLOG2DEV (points[i].y + yoffset);
639
640 CalcBoundingBox (points[i].x + xoffset, points[i].y + yoffset);
641 }
642
643 if (m_window)
644 {
645 if (m_brush.GetStyle() != wxTRANSPARENT)
646 {
647
648 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
649 {
650 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
651 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
652 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
653
654 XFillPolygon( (Display*) m_display, (Window) m_window,
655 (GC) m_textGC, xpoints, n, Complex, 0);
656
657 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
658 } else
659 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
660 {
661 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
662 m_deviceOriginX % 15, m_deviceOriginY % 15 );
663
664 XFillPolygon( (Display*) m_display, (Window) m_window,
665 (GC) m_brushGC, xpoints, n, Complex, 0);
666
667 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
668 } else
669 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
670 {
671 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
672 m_deviceOriginX % 16, m_deviceOriginY % 16 );
673
674 XFillPolygon( (Display*) m_display, (Window) m_window,
675 (GC) m_brushGC, xpoints, n, Complex, 0);
676
677 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
678 } else
679 if (m_brush.GetStyle() == wxSTIPPLE)
680 {
681 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
682 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
683 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
684
685 XFillPolygon( (Display*) m_display, (Window) m_window,
686 (GC) m_brushGC, xpoints, n, Complex, 0);
687
688 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
689 }
690 else
691 {
692 XFillPolygon( (Display*) m_display, (Window) m_window,
693 (GC) m_brushGC, xpoints, n, Complex, 0);
694 }
695 }
696
697 if (m_pen.GetStyle () != wxTRANSPARENT)
698 {
699 // Close figure for XDrawLines
700 xpoints[i].x = xpoints[0].x;
701 xpoints[i].y = xpoints[0].y;
702
703 XDrawLines( (Display*) m_display, (Window) m_window, (GC) m_penGC, xpoints, n + 1, 0);
704 }
705 }
706
707 delete[] xpoints;
708 }
709
710 void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
711 {
712 wxCHECK_RET( Ok(), wxT("invalid window dc") );
713
714 wxCoord xx = XLOG2DEV(x);
715 wxCoord yy = YLOG2DEV(y);
716 wxCoord ww = m_signX * XLOG2DEVREL(width);
717 wxCoord hh = m_signY * YLOG2DEVREL(height);
718
719 // CMB: draw nothing if transformed w or h is 0
720 if (ww == 0 || hh == 0) return;
721
722 // CMB: handle -ve width and/or height
723 if (ww < 0) { ww = -ww; xx = xx - ww; }
724 if (hh < 0) { hh = -hh; yy = yy - hh; }
725
726 if (m_window)
727 {
728 if (m_brush.GetStyle() != wxTRANSPARENT)
729 {
730 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
731 {
732 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
733 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
734 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
735
736 XFillRectangle( (Display*) m_display, (Window) m_window,
737 (GC) m_textGC, xx, yy, ww, hh );
738
739 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
740 } else
741 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
742 {
743 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
744 m_deviceOriginX % 15, m_deviceOriginY % 15 );
745
746 XFillRectangle( (Display*) m_display, (Window) m_window,
747 (GC) m_brushGC, xx, yy, ww, hh );
748
749 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
750 } else
751 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
752 {
753 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
754 m_deviceOriginX % 16, m_deviceOriginY % 16 );
755
756 XFillRectangle( (Display*) m_display, (Window) m_window,
757 (GC) m_brushGC, xx, yy, ww, hh );
758
759 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
760 } else
761 if (m_brush.GetStyle() == wxSTIPPLE)
762 {
763 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
764 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
765 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
766
767 XFillRectangle( (Display*) m_display, (Window) m_window,
768 (GC) m_brushGC, xx, yy, ww, hh );
769
770 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
771 }
772 else
773 {
774 XFillRectangle( (Display*) m_display, (Window) m_window,
775 (GC) m_brushGC, xx, yy, ww, hh );
776 }
777 }
778
779 if (m_pen.GetStyle () != wxTRANSPARENT)
780 {
781 XDrawRectangle( (Display*) m_display, (Window) m_window,
782 (GC) m_penGC, xx, yy, ww-1, hh-1 );
783 }
784 }
785
786 CalcBoundingBox( x, y );
787 CalcBoundingBox( x + width, y + height );
788 }
789
790 void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
791 {
792 wxCHECK_RET( Ok(), wxT("invalid window dc") );
793
794 if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
795
796 wxCoord xx = XLOG2DEV(x);
797 wxCoord yy = YLOG2DEV(y);
798 wxCoord ww = m_signX * XLOG2DEVREL(width);
799 wxCoord hh = m_signY * YLOG2DEVREL(height);
800 wxCoord rr = XLOG2DEVREL((wxCoord)radius);
801
802 // CMB: handle -ve width and/or height
803 if (ww < 0) { ww = -ww; xx = xx - ww; }
804 if (hh < 0) { hh = -hh; yy = yy - hh; }
805
806 // CMB: if radius is zero use DrawRectangle() instead to avoid
807 // X drawing errors with small radii
808 if (rr == 0)
809 {
810 XDrawRectangle( (Display*) m_display, (Window) m_window,
811 (GC) m_penGC, x, y, width, height);
812 return;
813 }
814
815 // CMB: draw nothing if transformed w or h is 0
816 if (ww == 0 || hh == 0) return;
817
818 // CMB: adjust size if outline is drawn otherwise the result is
819 // 1 pixel too wide and high
820 if (m_pen.GetStyle() != wxTRANSPARENT)
821 {
822 ww--;
823 hh--;
824 }
825
826 if (m_window)
827 {
828 // CMB: ensure dd is not larger than rectangle otherwise we
829 // get an hour glass shape
830 wxCoord dd = 2 * rr;
831 if (dd > ww) dd = ww;
832 if (dd > hh) dd = hh;
833 rr = dd / 2;
834
835 if (m_brush.GetStyle() != wxTRANSPARENT)
836 {
837 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
838 {
839 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
840 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
841 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
842 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx+rr, yy, ww-dd+1, hh );
843 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx, yy+rr, ww, hh-dd+1 );
844 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx, yy, dd, dd, 90*64, 90*64 );
845 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
846 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
847 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_textGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
848 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0);
849 } else
850 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
851 {
852 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
853 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+rr, yy, ww-dd+1, hh );
854 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+rr, ww, hh-dd+1 );
855 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy, dd, dd, 90*64, 90*64 );
856 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
857 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
858 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
859 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0);
860 } else
861 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
862 {
863 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
864 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+rr, yy, ww-dd+1, hh );
865 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+rr, ww, hh-dd+1 );
866 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy, dd, dd, 90*64, 90*64 );
867 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
868 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
869 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
870 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0);
871 } else
872 if (m_brush.GetStyle() == wxSTIPPLE)
873 {
874 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
875 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
876 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
877 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+rr, yy, ww-dd+1, hh );
878 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+rr, ww, hh-dd+1 );
879 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy, dd, dd, 90*64, 90*64 );
880 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
881 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
882 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
883 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0);
884 }
885 else
886 {
887 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+rr, yy, ww-dd+1, hh );
888 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+rr, ww, hh-dd+1 );
889 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy, dd, dd, 90*64, 90*64 );
890 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
891 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
892 XFillArc( (Display*) m_display, (Window) m_window, (GC) m_brushGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
893 }
894 }
895 if (m_pen.GetStyle() != wxTRANSPARENT)
896 {
897 XDrawLine( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx+rr+1, yy, xx+ww-rr, yy );
898 XDrawLine( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
899 XDrawLine( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
900 XDrawLine( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx+ww, yy+rr+1, xx+ww, yy+hh-rr );
901 XDrawArc( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx, yy, dd, dd, 90*64, 90*64 );
902 XDrawArc( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx+ww-dd, yy, dd, dd, 0, 90*64 );
903 XDrawArc( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
904 XDrawArc( (Display*) m_display, (Window) m_window, (GC) m_penGC, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
905 }
906 }
907
908 // this ignores the radius
909 CalcBoundingBox( x, y );
910 CalcBoundingBox( x + width, y + height );
911 }
912
913 void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
914 {
915 wxCHECK_RET( Ok(), wxT("invalid window dc") );
916
917 wxCoord xx = XLOG2DEV(x);
918 wxCoord yy = YLOG2DEV(y);
919 wxCoord ww = m_signX * XLOG2DEVREL(width);
920 wxCoord hh = m_signY * YLOG2DEVREL(height);
921
922 // CMB: handle -ve width and/or height
923 if (ww < 0) { ww = -ww; xx = xx - ww; }
924 if (hh < 0) { hh = -hh; yy = yy - hh; }
925
926 if (m_window)
927 {
928 if (m_brush.GetStyle() != wxTRANSPARENT)
929 {
930 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
931 {
932 XSetTSOrigin( (Display*) m_display, (GC) m_textGC,
933 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
934 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
935
936 XFillArc( (Display*) m_display, (Window) m_window,
937 (GC) m_textGC, xx, yy, ww, hh, 0, 360*64 );
938
939 XSetTSOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
940 } else
941 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
942 {
943 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
944 m_deviceOriginX % 15, m_deviceOriginY % 15 );
945
946 XFillArc( (Display*) m_display, (Window) m_window,
947 (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
948
949 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
950 } else
951 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
952 {
953 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
954 m_deviceOriginX % 16, m_deviceOriginY % 16 );
955
956 XFillArc( (Display*) m_display, (Window) m_window,
957 (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
958
959 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
960 } else
961 if (m_brush.GetStyle() == wxSTIPPLE)
962 {
963 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC,
964 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
965 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
966
967 XFillArc( (Display*) m_display, (Window) m_window,
968 (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
969
970 XSetTSOrigin( (Display*) m_display, (GC) m_brushGC, 0, 0 );
971 }
972 else
973 {
974 XFillArc( (Display*) m_display, (Window) m_window,
975 (GC) m_brushGC, xx, yy, ww, hh, 0, 360*64 );
976 }
977 }
978
979 if (m_pen.GetStyle () != wxTRANSPARENT)
980 {
981 XDrawArc( (Display*) m_display, (Window) m_window,
982 (GC) m_penGC, xx, yy, ww, hh, 0, 360*64 );
983 }
984 }
985
986 CalcBoundingBox( x, y );
987 CalcBoundingBox( x + width, y + height );
988 }
989
990 void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y)
991 {
992 DoDrawBitmap(icon, x, y, true);
993 }
994
995 #if wxUSE_NANOX
996 void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
997 wxCoord x, wxCoord y,
998 bool useMask )
999 {
1000 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1001
1002 wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
1003
1004 bool is_mono = (bitmap.GetBitmap() != NULL);
1005
1006 /* scale/translate size and position */
1007 int xx = XLOG2DEV(x);
1008 int yy = YLOG2DEV(y);
1009
1010 int w = bitmap.GetWidth();
1011 int h = bitmap.GetHeight();
1012
1013 CalcBoundingBox( x, y );
1014 CalcBoundingBox( x + w, y + h );
1015
1016 if (!m_window) return;
1017
1018 int ww = XLOG2DEVREL(w);
1019 int hh = YLOG2DEVREL(h);
1020
1021 /* compare to current clipping region */
1022 if (!m_currentClippingRegion.IsNull())
1023 {
1024 wxRegion tmp( xx,yy,ww,hh );
1025 tmp.Intersect( m_currentClippingRegion );
1026 if (tmp.IsEmpty())
1027 return;
1028 }
1029
1030 /* scale bitmap if required */
1031 wxBitmap use_bitmap;
1032 if ((w != ww) || (h != hh))
1033 {
1034 wxImage image( bitmap.ConvertToImage() );
1035 image.Rescale( ww, hh );
1036 #if 0
1037 if (is_mono)
1038 use_bitmap = image.ConvertToMonoBitmap(255,255,255);
1039 else
1040 #endif
1041 use_bitmap = image;
1042 }
1043 else
1044 {
1045 use_bitmap = bitmap;
1046 }
1047
1048 /* apply mask if any */
1049 WXPixmap mask = NULL;
1050 if (use_bitmap.GetMask())
1051 mask = use_bitmap.GetMask()->GetBitmap();
1052
1053 if (useMask && mask)
1054 {
1055 Pixmap pixmap = (Pixmap) use_bitmap.GetPixmap() ;
1056 Pixmap maskPixmap = (Pixmap) use_bitmap.GetMask()->GetBitmap() ;
1057 Pixmap bufPixmap = GrNewPixmap(w, h, 0);
1058 GC gc = GrNewGC();
1059 GrSetGCUseBackground(gc, FALSE);
1060 GrSetGCMode(gc, GR_MODE_COPY);
1061
1062 // This code assumes that background and foreground
1063 // colours are used in ROPs, like in MSW.
1064 // Not sure if this is true.
1065
1066 // Copy destination to buffer.
1067 // In DoBlit, we need this step because Blit has
1068 // a ROP argument. Here, we don't need it.
1069 // In DoBlit, we may be able to eliminate this step
1070 // if we check if the rop = copy
1071 #if 0
1072 GrCopyArea(bufPixmap, gc, 0, 0, w, h, (Window) m_window,
1073 0, 0, GR_MODE_COPY);
1074 #endif
1075
1076 // Copy src to buffer using selected raster op (none selected
1077 // in DrawBitmap, so just use Gxcopy)
1078 GrCopyArea(bufPixmap, gc, 0, 0, w, h, pixmap,
1079 0, 0, GR_MODE_COPY);
1080
1081 // Set masked area in buffer to BLACK (pixel value 0)
1082 GrSetGCBackground(gc, WHITE);
1083 GrSetGCForeground(gc, BLACK);
1084 GrCopyArea(bufPixmap, gc, 0, 0, w, h, maskPixmap,
1085 0, 0, GR_MODE_AND);
1086
1087 // set unmasked area in dest to BLACK
1088 GrSetGCBackground(gc, BLACK);
1089 GrSetGCForeground(gc, WHITE);
1090 GrCopyArea((Window) m_window, gc, xx, yy, w, h, maskPixmap,
1091 0, 0, GR_MODE_AND);
1092
1093 // OR buffer to dest
1094 GrCopyArea((Window) m_window, gc, xx, yy, w, h, bufPixmap,
1095 0, 0, GR_MODE_OR);
1096
1097 GrDestroyGC(gc);
1098 GrDestroyWindow(bufPixmap);
1099 }
1100 else
1101 XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
1102 (GC) m_penGC, 0, 0, w, h, xx, yy );
1103
1104 /* remove mask again if any */
1105 if (useMask && mask)
1106 {
1107 if (!m_currentClippingRegion.IsNull())
1108 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
1109 }
1110 }
1111
1112 #else
1113
1114 // Normal X11
1115 void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
1116 wxCoord x, wxCoord y,
1117 bool useMask )
1118 {
1119 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1120
1121 wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
1122
1123 bool is_mono = (bitmap.GetBitmap() != NULL);
1124
1125 // scale/translate size and position
1126 int xx = XLOG2DEV(x);
1127 int yy = YLOG2DEV(y);
1128
1129 int w = bitmap.GetWidth();
1130 int h = bitmap.GetHeight();
1131
1132 CalcBoundingBox( x, y );
1133 CalcBoundingBox( x + w, y + h );
1134
1135 if (!m_window) return;
1136
1137 int ww = XLOG2DEVREL(w);
1138 int hh = YLOG2DEVREL(h);
1139
1140 // compare to current clipping region
1141 if (!m_currentClippingRegion.IsNull())
1142 {
1143 wxRegion tmp( xx,yy,ww,hh );
1144 tmp.Intersect( m_currentClippingRegion );
1145 if (tmp.IsEmpty())
1146 return;
1147 }
1148
1149 // scale bitmap if required
1150 wxBitmap use_bitmap;
1151 if ((w != ww) || (h != hh))
1152 {
1153 wxImage image( bitmap.ConvertToImage() );
1154 image.Rescale( ww, hh );
1155 #if 0
1156 if (is_mono)
1157 use_bitmap = image.ConvertToMonoBitmap(255,255,255);
1158 else
1159 #endif
1160 use_bitmap = image;
1161 }
1162 else
1163 {
1164 use_bitmap = bitmap;
1165 }
1166
1167 // apply mask if any
1168 WXPixmap mask = NULL;
1169 if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
1170
1171 bool setClipMask = false;
1172
1173 if (!m_currentClippingRegion.IsNull() || (useMask && mask))
1174 {
1175 // XSetClipMask() call is necessary (because of clip region and/or transparent mask)
1176 setClipMask = true;
1177 Pixmap new_pixmap = 0;
1178
1179 if (!m_currentClippingRegion.IsNull())
1180 {
1181 // clipping necessary => create new_pixmap
1182 Display *xdisplay = (Display*) m_display;
1183 int xscreen = DefaultScreen( xdisplay );
1184 Window xroot = RootWindow( xdisplay, xscreen );
1185
1186 new_pixmap = XCreatePixmap( xdisplay, xroot, ww, hh, 1 );
1187 GC gc = XCreateGC( xdisplay, new_pixmap, 0, NULL );
1188
1189 XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) );
1190
1191 XSetFillStyle( xdisplay, gc, FillSolid );
1192 XFillRectangle( xdisplay, new_pixmap, gc, 0, 0, ww, hh );
1193
1194 XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) );
1195
1196 if (useMask && mask)
1197 {
1198 // transparent mask => call XSetStipple
1199 XSetFillStyle( xdisplay, gc, FillStippled );
1200 XSetTSOrigin( xdisplay, gc, 0, 0);
1201 XSetStipple( xdisplay, gc, (Pixmap) mask);
1202 }
1203
1204 wxCoord clip_x, clip_y, clip_w, clip_h;
1205 m_currentClippingRegion.GetBox(clip_x, clip_y, clip_w, clip_h);
1206 XFillRectangle( xdisplay, new_pixmap, gc, clip_x-xx, clip_y-yy, clip_w, clip_h );
1207
1208 XFreeGC( xdisplay, gc );
1209 }
1210
1211 if (is_mono)
1212 {
1213 if (new_pixmap)
1214 XSetClipMask( (Display*) m_display, (GC) m_textGC, new_pixmap );
1215 else
1216 XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
1217 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
1218 }
1219 else
1220 {
1221 if (new_pixmap)
1222 XSetClipMask( (Display*) m_display, (GC) m_penGC, new_pixmap );
1223 else
1224 XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
1225 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
1226 }
1227
1228 if (new_pixmap)
1229 XFreePixmap( (Display*) m_display, new_pixmap );
1230 }
1231
1232 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1233 // drawing a mono-bitmap (XBitmap) we use the current text GC
1234 if (is_mono)
1235 XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,
1236 (GC) m_textGC, 0, 0, ww, hh, xx, yy, 1 );
1237 else
1238 XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
1239 (GC) m_penGC, 0, 0, ww, hh, xx, yy );
1240
1241 // remove mask again if any
1242 if (setClipMask)
1243 {
1244 if (is_mono)
1245 {
1246 XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
1247 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
1248 if (!m_currentClippingRegion.IsNull())
1249 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
1250 }
1251 else
1252 {
1253 XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
1254 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, 0, 0 );
1255 if (!m_currentClippingRegion.IsNull())
1256 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
1257 }
1258 }
1259 }
1260 #endif
1261 // wxUSE_NANOX/!wxUSE_NANOX
1262
1263 bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1264 wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func, bool useMask,
1265 wxCoord xsrcMask, wxCoord ysrcMask )
1266 {
1267 /* this is the nth try to get this utterly useless function to
1268 work. it now completely ignores the scaling or translation
1269 of the source dc, but scales correctly on the target dc and
1270 knows about possible mask information in a memory dc. */
1271
1272 wxCHECK_MSG( Ok(), false, wxT("invalid window dc") );
1273
1274 wxCHECK_MSG( source, false, wxT("invalid source dc") );
1275
1276 if (!m_window) return false;
1277
1278 // transform the source DC coords to the device ones
1279 xsrc = source->XLOG2DEV(xsrc);
1280 ysrc = source->YLOG2DEV(ysrc);
1281
1282 wxClientDC *srcDC = (wxClientDC*)source;
1283 wxMemoryDC *memDC = (wxMemoryDC*)source;
1284
1285 bool use_bitmap_method = false;
1286 bool is_mono = false;
1287
1288 // TODO: use the mask origin when drawing transparently
1289 if (xsrcMask == -1 && ysrcMask == -1)
1290 {
1291 xsrcMask = xsrc;
1292 ysrcMask = ysrc;
1293 }
1294
1295 if (srcDC->m_isMemDC)
1296 {
1297 if (!memDC->m_selected.Ok()) return false;
1298
1299 /* we use the "XCopyArea" way to copy a memory dc into
1300 y different window if the memory dc BOTH
1301 a) doesn't have any mask or its mask isn't used
1302 b) it is clipped
1303 c) is not 1-bit */
1304
1305 if (useMask && (memDC->m_selected.GetMask()))
1306 {
1307 /* we HAVE TO use the direct way for memory dcs
1308 that have mask since the XCopyArea doesn't know
1309 about masks */
1310 use_bitmap_method = true;
1311 }
1312 else if (memDC->m_selected.GetDepth() == 1)
1313 {
1314 /* we HAVE TO use the direct way for memory dcs
1315 that are bitmaps because XCopyArea doesn't cope
1316 with different bit depths */
1317 is_mono = true;
1318 use_bitmap_method = true;
1319 }
1320 else if ((xsrc == 0) && (ysrc == 0) &&
1321 (width == memDC->m_selected.GetWidth()) &&
1322 (height == memDC->m_selected.GetHeight()))
1323 {
1324 /* we SHOULD use the direct way if all of the bitmap
1325 in the memory dc is copied in which case XCopyArea
1326 wouldn't be able able to boost performace by reducing
1327 the area to be scaled */
1328 use_bitmap_method = true;
1329 }
1330 else
1331 {
1332 use_bitmap_method = false;
1333 }
1334 }
1335
1336 CalcBoundingBox( xdest, ydest );
1337 CalcBoundingBox( xdest + width, ydest + height );
1338
1339 // scale/translate size and position
1340 wxCoord xx = XLOG2DEV(xdest);
1341 wxCoord yy = YLOG2DEV(ydest);
1342
1343 wxCoord ww = XLOG2DEVREL(width);
1344 wxCoord hh = YLOG2DEVREL(height);
1345
1346 // compare to current clipping region
1347 if (!m_currentClippingRegion.IsNull())
1348 {
1349 wxRegion tmp( xx,yy,ww,hh );
1350 tmp.Intersect( m_currentClippingRegion );
1351 if (tmp.IsEmpty())
1352 return true;
1353 }
1354
1355 int old_logical_func = m_logicalFunction;
1356 SetLogicalFunction( logical_func );
1357
1358 if (use_bitmap_method)
1359 {
1360 // scale/translate bitmap size
1361 wxCoord bm_width = memDC->m_selected.GetWidth();
1362 wxCoord bm_height = memDC->m_selected.GetHeight();
1363
1364 wxCoord bm_ww = XLOG2DEVREL( bm_width );
1365 wxCoord bm_hh = YLOG2DEVREL( bm_height );
1366
1367 // scale bitmap if required
1368 wxBitmap use_bitmap;
1369
1370 if ((bm_width != bm_ww) || (bm_height != bm_hh))
1371 {
1372 wxImage image( memDC->m_selected.ConvertToImage() );
1373 image = image.Scale( bm_ww, bm_hh );
1374
1375 #if 0
1376 if (is_mono)
1377 use_bitmap = image.ConvertToMonoBitmap(255,255,255);
1378 else
1379 #endif
1380 use_bitmap = image;
1381 }
1382 else
1383 {
1384 use_bitmap = memDC->m_selected;
1385 }
1386
1387 // apply mask if any
1388 WXPixmap mask = NULL;
1389 if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
1390
1391 if (useMask && mask)
1392 {
1393 WXPixmap new_mask = NULL;
1394 #if 0
1395 if (!m_currentClippingRegion.IsNull())
1396 {
1397 GdkColor col;
1398 new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
1399 GdkGC *gc = gdk_gc_new( new_mask );
1400 col.pixel = 0;
1401 gdk_gc_set_foreground( gc, &col );
1402 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
1403 col.pixel = 0;
1404 gdk_gc_set_background( gc, &col );
1405 col.pixel = 1;
1406 gdk_gc_set_foreground( gc, &col );
1407 gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
1408 gdk_gc_set_clip_origin( gc, -xx, -yy );
1409 gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
1410 gdk_gc_set_stipple( gc, mask );
1411 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
1412 gdk_gc_unref( gc );
1413 }
1414 #endif
1415 if (is_mono)
1416 {
1417 if (new_mask)
1418 XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) new_mask );
1419 else
1420 XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
1421 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
1422 }
1423 else
1424 {
1425 if (new_mask)
1426 XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) new_mask );
1427 else
1428 XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
1429 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
1430 }
1431
1432 if (new_mask)
1433 XFreePixmap( (Display*) m_display, (Pixmap) new_mask );
1434 }
1435
1436 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1437 // drawing a mono-bitmap (XBitmap) we use the current text GC
1438
1439 if (is_mono)
1440 XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,
1441 (GC) m_textGC, xsrc, ysrc, width, height, xx, yy, 1 );
1442 else
1443 XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
1444 (GC) m_penGC, xsrc, ysrc, width, height, xx, yy );
1445
1446 // remove mask again if any
1447 if (useMask && mask)
1448 {
1449 if (is_mono)
1450 {
1451 XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
1452 XSetClipOrigin( (Display*) m_display, (GC) m_textGC, 0, 0 );
1453 if (!m_currentClippingRegion.IsNull())
1454 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
1455 }
1456 else
1457 {
1458 XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
1459 XSetClipOrigin( (Display*) m_display, (GC) m_penGC, 0, 0 );
1460 if (!m_currentClippingRegion.IsNull())
1461 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
1462 }
1463 }
1464 }
1465 else // use_bitmap_method
1466 {
1467 if ((width != ww) || (height != hh))
1468 {
1469 /* Draw source window into a bitmap as we cannot scale
1470 a window in contrast to a bitmap. this would actually
1471 work with memory dcs as well, but we'd lose the mask
1472 information and waste one step in this process since
1473 a memory already has a bitmap. all this is slightly
1474 inefficient as we could take an XImage directly from
1475 an X window, but we'd then also have to care that
1476 the window is not outside the screen (in which case
1477 we'd get a BadMatch or what not).
1478 Is a double XGetImage and combined XGetPixel and
1479 XPutPixel really faster? I'm not sure. look at wxXt
1480 for a different implementation of the same problem. */
1481
1482 wxBitmap bitmap( width, height );
1483
1484 // copy including child window contents
1485 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
1486 XCopyArea( (Display*) m_display, (Window) srcDC->GetWindow(), (Window) bitmap.GetPixmap(),
1487 (GC) m_penGC, xsrc, ysrc, width, height, 0, 0 );
1488 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
1489
1490 // scale image
1491 wxImage image( bitmap.ConvertToImage() );
1492 image = image.Scale( ww, hh );
1493
1494 // convert to bitmap
1495 bitmap = image;
1496
1497 // draw scaled bitmap
1498 XCopyArea( (Display*) m_display, (Window) bitmap.GetPixmap(), (Window) m_window,
1499 (GC) m_penGC, 0, 0, width, height, xx, yy );
1500 }
1501 else
1502 {
1503 // No scaling and not a memory dc with a mask either
1504
1505 // copy including child window contents
1506 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
1507 XCopyArea( (Display*) m_display, (Window) srcDC->GetWindow(), (Window) m_window,
1508 (GC) m_penGC, xsrc, ysrc, width, height, xx, yy );
1509 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
1510 }
1511 }
1512
1513 SetLogicalFunction( old_logical_func );
1514
1515 return true;
1516 }
1517
1518 void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
1519 {
1520 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1521
1522 if (!m_window) return;
1523
1524 x = XLOG2DEV(x);
1525 y = YLOG2DEV(y);
1526
1527 #if wxUSE_UNICODE
1528 PangoLayout *layout = pango_layout_new(m_context);
1529 pango_layout_set_font_description(layout, m_fontdesc);
1530
1531 const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
1532 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1533
1534 // Measure layout.
1535 int w,h;
1536 pango_layout_get_pixel_size(layout, &w, &h);
1537 wxCoord width = w;
1538 wxCoord height = h;
1539
1540 // Draw layout.
1541 x11_draw_layout( (Drawable) m_window, (GC) m_textGC, x, y, layout, m_textForegroundColour );
1542
1543 g_object_unref( G_OBJECT( layout ) );
1544
1545 CalcBoundingBox (x + width, y + height);
1546 CalcBoundingBox (x, y);
1547 #else
1548 XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1549
1550 wxCHECK_RET( xfont, wxT("invalid font") );
1551
1552 // First draw a rectangle representing the text background, if a text
1553 // background is specified
1554 if (m_textBackgroundColour.Ok () && (m_backgroundMode != wxTRANSPARENT))
1555 {
1556 // Since X draws from the baseline of the text, must add the text height
1557 int cx = 0;
1558 int cy = 0;
1559 int ascent = 0;
1560 int slen;
1561 int direction, descent;
1562
1563 slen = strlen(text);
1564 XCharStruct overall_return;
1565
1566 (void)XTextExtents(xfont, (char*) text.c_str(), slen, &direction,
1567 &ascent, &descent, &overall_return);
1568
1569 cx = overall_return.width;
1570 cy = ascent + descent;
1571 m_textBackgroundColour.CalcPixel(m_cmap);
1572 m_textForegroundColour.CalcPixel(m_cmap);
1573 XSetForeground ((Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel());
1574 XFillRectangle( (Display*) m_display, (Window) m_window,
1575 (GC) m_textGC, x, y, cx, cy );
1576 XSetForeground ((Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel());
1577
1578 }
1579
1580 XSetFont( (Display*) m_display, (GC) m_textGC, xfont->fid );
1581 #if !wxUSE_NANOX
1582 // This may be a test for whether the font is 16-bit, but it also
1583 // seems to fail for valid 8-bit fonts too.
1584 if (1) // (xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
1585 #endif
1586 {
1587 XDrawString( (Display*) m_display, (Window) m_window,
1588 (GC) m_textGC, x, y + XFontStructGetAscent(xfont), text.c_str(), text.length() );
1589 }
1590
1591 #if 0
1592 if (m_font.GetUnderlined())
1593 {
1594 wxCoord ul_y = y + XFontStructGetAscent(font);
1595 if (font->descent > 0) ul_y++;
1596 gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
1597 }
1598
1599 width = wxCoord(width / m_scaleX);
1600 height = wxCoord(height / m_scaleY);
1601
1602 CalcBoundingBox (x + width, y + height);
1603 CalcBoundingBox (x, y);
1604 #endif
1605 #endif
1606 }
1607
1608 void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
1609 {
1610 // later
1611 }
1612
1613 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
1614 wxCoord *descent, wxCoord *externalLeading,
1615 wxFont *font ) const
1616 {
1617 wxCHECK_RET( Ok(), wxT("invalid dc") );
1618
1619 if (string.empty())
1620 {
1621 if (width) (*width) = 0;
1622 if (height) (*height) = 0;
1623 return;
1624 }
1625
1626 #if wxUSE_UNICODE
1627 PangoLayout *layout = pango_layout_new( m_context );
1628
1629 if (font)
1630 pango_layout_set_font_description( layout, font->GetNativeFontInfo()->description );
1631 else
1632 pango_layout_set_font_description(layout, m_fontdesc);
1633
1634 const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1635 pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1636
1637 // Measure text.
1638 int w,h;
1639 pango_layout_get_pixel_size(layout, &w, &h);
1640
1641 if (width) (*width) = (wxCoord) w;
1642 if (height) (*height) = (wxCoord) h;
1643 if (descent)
1644 {
1645 // Do something about metrics here. TODO.
1646 (*descent) = 0;
1647 }
1648 if (externalLeading) (*externalLeading) = 0; // ??
1649
1650 g_object_unref( G_OBJECT( layout ) );
1651 #else
1652 wxFont fontToUse = m_font;
1653 if (font) fontToUse = *font;
1654
1655 wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1656
1657 XFontStruct *xfont = (XFontStruct*) fontToUse.GetFontStruct( m_scaleY, m_display );
1658
1659 wxCHECK_RET( xfont, wxT("invalid font") );
1660
1661 int direction, ascent, descent2;
1662 XCharStruct overall;
1663
1664 XTextExtents( xfont, (char*) string.c_str(), string.length(), &direction,
1665 &ascent, &descent2, &overall);
1666
1667 if (width)
1668 *width = (wxCoord)( overall.width / m_scaleX );
1669 if (height)
1670 *height = (wxCoord)((ascent + descent2) / m_scaleY );
1671 if (descent)
1672 *descent = (wxCoord)(descent2 / m_scaleY );
1673 if (externalLeading)
1674 *externalLeading = 0; // ??
1675 #endif
1676 }
1677
1678 wxCoord wxWindowDC::GetCharWidth() const
1679 {
1680 wxCHECK_MSG( Ok(), 0, wxT("invalid dc") );
1681
1682 #if wxUSE_UNICODE
1683 PangoLayout *layout = pango_layout_new( m_context );
1684
1685 if (m_fontdesc)
1686 pango_layout_set_font_description(layout, m_fontdesc);
1687 else
1688 pango_layout_set_font_description(layout, this->GetFont().GetNativeFontInfo()->description);
1689
1690 pango_layout_set_text(layout, "H", 1 );
1691 int w,h;
1692 pango_layout_get_pixel_size(layout, &w, &h);
1693 g_object_unref( G_OBJECT( layout ) );
1694
1695 return w;
1696 #else
1697 wxCHECK_MSG( m_font.Ok(), 0, wxT("invalid font") );
1698
1699 XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1700
1701 wxCHECK_MSG( xfont, 0, wxT("invalid font") );
1702
1703 int direction, ascent, descent;
1704 XCharStruct overall;
1705
1706 XTextExtents( xfont, "H", 1, &direction, &ascent, &descent, &overall );
1707
1708 return (wxCoord)(overall.width / m_scaleX);
1709 #endif
1710 }
1711
1712 wxCoord wxWindowDC::GetCharHeight() const
1713 {
1714 wxCHECK_MSG( Ok(), 0, wxT("invalid dc") );
1715
1716 #if wxUSE_UNICODE
1717 PangoLayout *layout = pango_layout_new( m_context );
1718
1719 if (m_fontdesc)
1720 pango_layout_set_font_description(layout, m_fontdesc);
1721 else
1722 pango_layout_set_font_description(layout, this->GetFont().GetNativeFontInfo()->description);
1723
1724 pango_layout_set_text(layout, "H", 1 );
1725 int w,h;
1726 pango_layout_get_pixel_size(layout, &w, &h);
1727 g_object_unref( G_OBJECT( layout ) );
1728
1729 return h;
1730 #else
1731 wxCHECK_MSG( m_font.Ok(), 0, wxT("invalid font") );
1732
1733 XFontStruct *xfont = (XFontStruct*) m_font.GetFontStruct( m_scaleY, m_display );
1734
1735 wxCHECK_MSG( xfont, 0, wxT("invalid font") );
1736
1737 int direction, ascent, descent;
1738 XCharStruct overall;
1739
1740 XTextExtents( xfont, "H", 1, &direction, &ascent, &descent, &overall );
1741
1742 return (wxCoord)((ascent+descent) / m_scaleY);
1743 #endif
1744 }
1745
1746 void wxWindowDC::Clear()
1747 {
1748 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1749
1750 if (!m_window) return;
1751
1752 /* - we either are a memory dc or have a window as the
1753 owner. anything else shouldn't happen.
1754 - we don't use gdk_window_clear() as we don't set
1755 the window's background colour anymore. it is too
1756 much pain to keep the DC's and the window's back-
1757 ground colour in synch. */
1758
1759 if (m_owner)
1760 {
1761 int width,height;
1762 m_owner->GetSize( &width, &height );
1763 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_bgGC, 0, 0, width, height );
1764 return;
1765 }
1766
1767 if (m_isMemDC)
1768 {
1769 int width,height;
1770 GetSize( &width, &height );
1771 XFillRectangle( (Display*) m_display, (Window) m_window, (GC) m_bgGC, 0, 0, width, height );
1772 return;
1773 }
1774 }
1775
1776 void wxWindowDC::SetFont( const wxFont &font )
1777 {
1778 wxCHECK_RET( Ok(), wxT("invalid dc") );
1779
1780 m_font = font;
1781
1782 return;
1783
1784 #if wxUSE_UNICODE
1785 m_fontdesc = font.GetNativeFontInfo()->description;
1786 #endif
1787 }
1788
1789 void wxWindowDC::SetPen( const wxPen &pen )
1790 {
1791 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1792
1793 if (m_pen == pen) return;
1794
1795 m_pen = pen;
1796
1797 if (!m_pen.Ok()) return;
1798
1799 if (!m_window) return;
1800
1801 int width = m_pen.GetWidth();
1802 if (width <= 0)
1803 {
1804 // CMB: if width is non-zero scale it with the dc
1805 width = 1;
1806 }
1807 else
1808 {
1809 // X doesn't allow different width in x and y and so we take
1810 // the average
1811 double w = 0.5 +
1812 ( fabs((double) XLOG2DEVREL(width)) +
1813 fabs((double) YLOG2DEVREL(width)) ) / 2.0;
1814 width = (int)w;
1815 }
1816
1817 static const wxX11Dash dotted[] = {1, 1};
1818 static const wxX11Dash short_dashed[] = {2, 2};
1819 static const wxX11Dash long_dashed[] = {2, 4};
1820 static const wxX11Dash dotted_dashed[] = {3, 3, 1, 3};
1821
1822 // We express dash pattern in pen width unit, so we are
1823 // independent of zoom factor and so on...
1824 int req_nb_dash;
1825 const wxX11Dash *req_dash;
1826
1827 int lineStyle = LineSolid;
1828 switch (m_pen.GetStyle())
1829 {
1830 case wxUSER_DASH:
1831 {
1832 lineStyle = LineOnOffDash;
1833 req_nb_dash = m_pen.GetDashCount();
1834 req_dash = (wxX11Dash*)m_pen.GetDash();
1835 break;
1836 }
1837 case wxDOT:
1838 {
1839 lineStyle = LineOnOffDash;
1840 req_nb_dash = 2;
1841 req_dash = dotted;
1842 break;
1843 }
1844 case wxLONG_DASH:
1845 {
1846 lineStyle = LineOnOffDash;
1847 req_nb_dash = 2;
1848 req_dash = long_dashed;
1849 break;
1850 }
1851 case wxSHORT_DASH:
1852 {
1853 lineStyle = LineOnOffDash;
1854 req_nb_dash = 2;
1855 req_dash = short_dashed;
1856 break;
1857 }
1858 case wxDOT_DASH:
1859 {
1860 // lineStyle = LineDoubleDash;
1861 lineStyle = LineOnOffDash;
1862 req_nb_dash = 4;
1863 req_dash = dotted_dashed;
1864 break;
1865 }
1866
1867 case wxTRANSPARENT:
1868 case wxSTIPPLE_MASK_OPAQUE:
1869 case wxSTIPPLE:
1870 case wxSOLID:
1871 default:
1872 {
1873 lineStyle = LineSolid;
1874 req_dash = (wxX11Dash*)NULL;
1875 req_nb_dash = 0;
1876 break;
1877 }
1878 }
1879
1880 int capStyle = CapRound;
1881 switch (m_pen.GetCap())
1882 {
1883 case wxCAP_PROJECTING: { capStyle = CapProjecting; break; }
1884 case wxCAP_BUTT: { capStyle = CapButt; break; }
1885 case wxCAP_ROUND:
1886 default:
1887 {
1888 if (width <= 1)
1889 {
1890 width = 0;
1891 capStyle = CapNotLast;
1892 }
1893 else
1894 {
1895 capStyle = CapRound;
1896 }
1897 break;
1898 }
1899 }
1900
1901 int joinStyle = JoinRound;
1902 switch (m_pen.GetJoin())
1903 {
1904 case wxJOIN_BEVEL: { joinStyle = JoinBevel; break; }
1905 case wxJOIN_MITER: { joinStyle = JoinMiter; break; }
1906 case wxJOIN_ROUND:
1907 default: { joinStyle = JoinRound; break; }
1908 }
1909
1910 XSetLineAttributes( (Display*) m_display, (GC) m_penGC, width, lineStyle, capStyle, joinStyle );
1911
1912 m_pen.GetColour().CalcPixel( m_cmap );
1913 XSetForeground( (Display*) m_display, (GC) m_penGC, m_pen.GetColour().GetPixel() );
1914 }
1915
1916 void wxWindowDC::SetBrush( const wxBrush &brush )
1917 {
1918 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1919
1920 if (m_brush == brush) return;
1921
1922 m_brush = brush;
1923
1924 if (!m_brush.Ok()) return;
1925
1926 if (!m_window) return;
1927
1928 m_brush.GetColour().CalcPixel( m_cmap );
1929 XSetForeground( (Display*) m_display, (GC) m_brushGC, m_brush.GetColour().GetPixel() );
1930
1931 XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillSolid );
1932
1933 if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
1934 {
1935 if (m_brush.GetStipple()->GetPixmap())
1936 {
1937 XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillTiled );
1938 XSetTile( (Display*) m_display, (GC) m_brushGC, (Pixmap) m_brush.GetStipple()->GetPixmap() );
1939 }
1940 else
1941 {
1942 XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillStippled );
1943 XSetStipple( (Display*) m_display, (GC) m_brushGC, (Pixmap) m_brush.GetStipple()->GetBitmap() );
1944 }
1945 }
1946
1947 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
1948 {
1949 XSetFillStyle( (Display*) m_display, (GC) m_textGC, FillOpaqueStippled );
1950 XSetStipple( (Display*) m_display, (GC) m_textGC, (Pixmap) m_brush.GetStipple()->GetMask()->GetBitmap() );
1951 }
1952
1953 if (m_brush.IsHatch())
1954 {
1955 XSetFillStyle( (Display*) m_display, (GC) m_brushGC, FillStippled );
1956 int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
1957 XSetStipple( (Display*) m_display, (GC) m_brushGC, hatches[num] );
1958 }
1959 }
1960
1961 void wxWindowDC::SetBackground( const wxBrush &brush )
1962 {
1963 /* CMB 21/7/98: Added SetBackground. Sets background brush
1964 * for Clear() and bg colour for shapes filled with cross-hatch brush */
1965
1966 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1967
1968 if (m_backgroundBrush == brush) return;
1969
1970 m_backgroundBrush = brush;
1971
1972 if (!m_backgroundBrush.Ok()) return;
1973
1974 if (!m_window) return;
1975
1976 m_backgroundBrush.GetColour().CalcPixel( m_cmap );
1977 XSetBackground( (Display*) m_display, (GC) m_brushGC, m_backgroundBrush.GetColour().GetPixel() );
1978 XSetBackground( (Display*) m_display, (GC) m_penGC, m_backgroundBrush.GetColour().GetPixel() );
1979 XSetBackground( (Display*) m_display, (GC) m_bgGC, m_backgroundBrush.GetColour().GetPixel() );
1980 XSetForeground( (Display*) m_display, (GC) m_bgGC, m_backgroundBrush.GetColour().GetPixel() );
1981
1982 XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillSolid );
1983
1984 if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
1985 {
1986 if (m_backgroundBrush.GetStipple()->GetPixmap())
1987 {
1988 XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillTiled );
1989 XSetTile( (Display*) m_display, (GC) m_bgGC, (Pixmap) m_backgroundBrush.GetStipple()->GetPixmap() );
1990 }
1991 else
1992 {
1993 XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillStippled );
1994 XSetStipple( (Display*) m_display, (GC) m_bgGC, (Pixmap) m_backgroundBrush.GetStipple()->GetBitmap() );
1995 }
1996 }
1997
1998 if (m_backgroundBrush.IsHatch())
1999 {
2000 XSetFillStyle( (Display*) m_display, (GC) m_bgGC, FillStippled );
2001 int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
2002 XSetStipple( (Display*) m_display, (GC) m_bgGC, hatches[num] );
2003 }
2004 }
2005
2006 void wxWindowDC::SetLogicalFunction( int function )
2007 {
2008 wxCHECK_RET( Ok(), wxT("invalid dc") );
2009
2010 int x_function;
2011
2012 if (m_logicalFunction == function)
2013 return;
2014
2015 // VZ: shouldn't this be a CHECK?
2016 if (!m_window)
2017 return;
2018
2019 switch (function)
2020 {
2021 case wxCLEAR:
2022 x_function = GXclear;
2023 break;
2024 case wxXOR:
2025 x_function = GXxor;
2026 break;
2027 case wxINVERT:
2028 x_function = GXinvert;
2029 break;
2030 case wxOR_REVERSE:
2031 x_function = GXorReverse;
2032 break;
2033 case wxAND_REVERSE:
2034 x_function = GXandReverse;
2035 break;
2036 case wxAND:
2037 x_function = GXand;
2038 break;
2039 case wxOR:
2040 x_function = GXor;
2041 break;
2042 case wxAND_INVERT:
2043 x_function = GXandInverted;
2044 break;
2045 case wxNO_OP:
2046 x_function = GXnoop;
2047 break;
2048 case wxNOR:
2049 x_function = GXnor;
2050 break;
2051 case wxEQUIV:
2052 x_function = GXequiv;
2053 break;
2054 case wxSRC_INVERT:
2055 x_function = GXcopyInverted;
2056 break;
2057 case wxOR_INVERT:
2058 x_function = GXorInverted;
2059 break;
2060 case wxNAND:
2061 x_function = GXnand;
2062 break;
2063 case wxSET:
2064 x_function = GXset;
2065 break;
2066 case wxCOPY:
2067 default:
2068 x_function = GXcopy;
2069 break;
2070 }
2071
2072 XSetFunction( (Display*) m_display, (GC) m_penGC, x_function );
2073 XSetFunction( (Display*) m_display, (GC) m_brushGC, x_function );
2074
2075 // to stay compatible with wxMSW, we don't apply ROPs to the text
2076 // operations (i.e. DrawText/DrawRotatedText).
2077 // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
2078 XSetFunction( (Display*) m_display, (GC) m_textGC, x_function );
2079
2080 m_logicalFunction = function;
2081 }
2082
2083 void wxWindowDC::SetTextForeground( const wxColour &col )
2084 {
2085 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2086
2087 // don't set m_textForegroundColour to an invalid colour as we'd crash
2088 // later then (we use m_textForegroundColour.GetColor() without checking
2089 // in a few places)
2090 if ( !col.Ok() || (m_textForegroundColour == col) )
2091 return;
2092
2093 m_textForegroundColour = col;
2094
2095 if (m_window)
2096 {
2097 m_textForegroundColour.CalcPixel( m_cmap );
2098 XSetForeground( (Display*) m_display, (GC) m_textGC, m_textForegroundColour.GetPixel() );
2099 }
2100 }
2101
2102 void wxWindowDC::SetTextBackground( const wxColour &col )
2103 {
2104 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2105
2106 // same as above
2107 if ( !col.Ok() || (m_textBackgroundColour == col) )
2108 return;
2109
2110 m_textBackgroundColour = col;
2111
2112 if (m_window)
2113 {
2114 m_textBackgroundColour.CalcPixel( m_cmap );
2115 XSetBackground( (Display*) m_display, (GC) m_textGC, m_textBackgroundColour.GetPixel() );
2116 }
2117 }
2118
2119 void wxWindowDC::SetBackgroundMode( int mode )
2120 {
2121 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2122
2123 m_backgroundMode = mode;
2124
2125 #if wxUSE_NANOX
2126 GrSetGCUseBackground((GC) m_textGC, mode == wxTRANSPARENT ? FALSE : TRUE);
2127 #endif
2128
2129 if (!m_window) return;
2130
2131 // CMB 21/7/98: fill style of cross-hatch brushes is affected by
2132 // transparent/solid background mode
2133
2134 if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
2135 {
2136 XSetFillStyle( (Display*) m_display, (GC) m_brushGC,
2137 (m_backgroundMode == wxTRANSPARENT) ? FillStippled : FillOpaqueStippled );
2138 }
2139 }
2140
2141 void wxWindowDC::SetPalette( const wxPalette& palette )
2142 {
2143 #if 0
2144 if (m_window)
2145 {
2146 if (palette.Ok())
2147 /* Use GetXColormap */
2148 XSetWindowColormap ((Display*) m_display, (Window) m_window->GetXWindow(),
2149 (Colormap) palette.GetXColormap());
2150 else
2151 /* Use wxGetMainColormap */
2152 XSetWindowColormap ((Display*) m_display, (Window) m_window->GetXWindow(),
2153 (Colormap) wxTheApp->GetMainColormap(m_display));
2154 }
2155 #endif
2156 }
2157
2158 void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
2159 {
2160 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2161
2162 if (!m_window) return;
2163
2164 wxRect rect;
2165 rect.x = XLOG2DEV(x);
2166 rect.y = YLOG2DEV(y);
2167 rect.width = XLOG2DEVREL(width);
2168 rect.height = YLOG2DEVREL(height);
2169
2170 if (!m_currentClippingRegion.IsNull())
2171 m_currentClippingRegion.Intersect( rect );
2172 else
2173 m_currentClippingRegion.Union( rect );
2174
2175 #if USE_PAINT_REGION
2176 if (!m_paintClippingRegion.IsNull())
2177 m_currentClippingRegion.Intersect( m_paintClippingRegion );
2178 #endif
2179
2180 wxCoord xx, yy, ww, hh;
2181 m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2182 wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2183
2184 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2185 XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2186 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2187 XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2188 }
2189
2190 void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
2191 {
2192 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2193
2194 if (region.Empty())
2195 {
2196 DestroyClippingRegion();
2197 return;
2198 }
2199
2200 if (!m_window) return;
2201
2202 if (!m_currentClippingRegion.IsNull())
2203 m_currentClippingRegion.Intersect( region );
2204 else
2205 m_currentClippingRegion.Union( region );
2206
2207 #if USE_PAINT_REGION
2208 if (!m_paintClippingRegion.IsNull())
2209 m_currentClippingRegion.Intersect( m_paintClippingRegion );
2210 #endif
2211
2212 wxCoord xx, yy, ww, hh;
2213 m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2214 wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2215
2216 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2217 XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2218 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2219 XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2220 }
2221
2222 void wxWindowDC::DestroyClippingRegion()
2223 {
2224 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2225
2226 wxDC::DestroyClippingRegion();
2227
2228 m_currentClippingRegion.Clear();
2229
2230 #if USE_PAINT_REGION
2231 if (!m_paintClippingRegion.IsEmpty())
2232 m_currentClippingRegion.Union( m_paintClippingRegion );
2233 #endif
2234
2235 if (!m_window) return;
2236
2237 if (m_currentClippingRegion.IsEmpty())
2238 {
2239 XSetClipMask( (Display*) m_display, (GC) m_penGC, None );
2240 XSetClipMask( (Display*) m_display, (GC) m_brushGC, None );
2241 XSetClipMask( (Display*) m_display, (GC) m_textGC, None );
2242 XSetClipMask( (Display*) m_display, (GC) m_bgGC, None );
2243 }
2244 else
2245 {
2246 XSetRegion( (Display*) m_display, (GC) m_penGC, (Region) m_currentClippingRegion.GetX11Region() );
2247 XSetRegion( (Display*) m_display, (GC) m_brushGC, (Region) m_currentClippingRegion.GetX11Region() );
2248 XSetRegion( (Display*) m_display, (GC) m_textGC, (Region) m_currentClippingRegion.GetX11Region() );
2249 XSetRegion( (Display*) m_display, (GC) m_bgGC, (Region) m_currentClippingRegion.GetX11Region() );
2250 }
2251 }
2252
2253 void wxWindowDC::Destroy()
2254 {
2255 if (m_penGC) wxFreePoolGC( (GC) m_penGC );
2256 m_penGC = NULL;
2257 if (m_brushGC) wxFreePoolGC( (GC) m_brushGC );
2258 m_brushGC = NULL;
2259 if (m_textGC) wxFreePoolGC( (GC) m_textGC );
2260 m_textGC = NULL;
2261 if (m_bgGC) wxFreePoolGC( (GC) m_bgGC );
2262 m_bgGC = NULL;
2263 }
2264
2265 void wxWindowDC::ComputeScaleAndOrigin()
2266 {
2267 /* CMB: copy scale to see if it changes */
2268 double origScaleX = m_scaleX;
2269 double origScaleY = m_scaleY;
2270
2271 wxDC::ComputeScaleAndOrigin();
2272
2273 /* CMB: if scale has changed call SetPen to recalulate the line width */
2274 if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
2275 (m_pen.Ok()))
2276 {
2277 /* this is a bit artificial, but we need to force wxDC to think
2278 the pen has changed */
2279 wxPen pen = m_pen;
2280 m_pen = wxNullPen;
2281 SetPen( pen );
2282 }
2283 }
2284
2285 wxSize wxWindowDC::GetPPI() const
2286 {
2287 return wxSize(100, 100);
2288 }
2289
2290 int wxWindowDC::GetDepth() const
2291 {
2292 wxFAIL_MSG(wxT("not implemented"));
2293
2294 return -1;
2295 }
2296
2297 //-----------------------------------------------------------------------------
2298 // wxClientDC
2299 //-----------------------------------------------------------------------------
2300
2301 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
2302
2303 wxClientDC::wxClientDC( wxWindow *window )
2304 : wxWindowDC( window )
2305 {
2306 wxCHECK_RET( window, _T("NULL window in wxClientDC::wxClientDC") );
2307
2308 m_window = (WXWindow*) window->GetClientAreaWindow();
2309
2310 // Adjust the client area when the wxWindow is not using 2 X11 windows.
2311 if (m_window == (WXWindow*) window->GetMainWindow())
2312 {
2313 wxPoint ptOrigin = window->GetClientAreaOrigin();
2314 SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
2315 wxSize size = window->GetClientSize();
2316 SetClippingRegion(wxPoint(0, 0), size);
2317 }
2318 }
2319
2320 void wxClientDC::DoGetSize(int *width, int *height) const
2321 {
2322 wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
2323
2324 m_owner->GetClientSize( width, height );
2325 }
2326
2327 // ----------------------------------------------------------------------------
2328 // wxPaintDC
2329 // ----------------------------------------------------------------------------
2330
2331 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
2332
2333 wxPaintDC::wxPaintDC(wxWindow* window)
2334 : wxClientDC(window)
2335 {
2336 #if USE_PAINT_REGION
2337 if (!window->GetClipPaintRegion())
2338 return;
2339
2340 m_paintClippingRegion = window->GetUpdateRegion();
2341 Region region = (Region) m_paintClippingRegion.GetX11Region();
2342 if (region)
2343 {
2344 m_currentClippingRegion.Union( m_paintClippingRegion );
2345
2346 XSetRegion( (Display*) m_display, (GC) m_penGC, region );
2347 XSetRegion( (Display*) m_display, (GC) m_brushGC, region );
2348 XSetRegion( (Display*) m_display, (GC) m_textGC, region );
2349 XSetRegion( (Display*) m_display, (GC) m_bgGC, region );
2350 }
2351 #endif // USE_PAINT_REGION
2352 }
2353
2354 // ----------------------------------------------------------------------------
2355 // wxDCModule
2356 // ----------------------------------------------------------------------------
2357
2358 class wxDCModule : public wxModule
2359 {
2360 public:
2361 // we must be cleaned up before wxDisplayModule which closes the global
2362 // display
2363 wxDCModule()
2364 {
2365 AddDependency(wxClassInfo::FindClass(_T("wxX11DisplayModule")));
2366 }
2367
2368 bool OnInit() { wxInitGCPool(); return true; }
2369 void OnExit() { wxCleanUpGCPool(); }
2370
2371 private:
2372 DECLARE_DYNAMIC_CLASS(wxDCModule)
2373 };
2374
2375 IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
2376
wxWidgets (Impactor)