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[wxWidgets.git] / src / gtk / dcclient.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
e4db172a 2// Name: src/gtk/dcclient.cpp
c801d85f
KB		 3// Purpose:
4// Author: Robert Roebling
6f65e337 5// RCS-ID: $Id$
6c9a19aa 6// Copyright: (c) 1998 Robert Roebling, Chris Breeze
65571936 7// Licence: wxWindows licence
c801d85f
KB		 8/////////////////////////////////////////////////////////////////////////////
9
14f355c2
VS		 10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
d02af7bb
JJ		 13#ifdef __VMS
14#define XCopyPlane XCOPYPLANE
15#endif
16
c801d85f 17#include "wx/dcclient.h"
e4db172a
WS		 18
19#ifndef WX_PRECOMP
772b3767 20 #include "wx/window.h"
e4db172a 21 #include "wx/log.h"
f38924e8 22 #include "wx/dcmemory.h"
18680f86 23 #include "wx/math.h" // for floating-point functions
155ecd4c 24 #include "wx/image.h"
02761f6c 25 #include "wx/module.h"
e4db172a
WS		 26#endif
27
db16cab4 28#include "wx/fontutil.h"
5713b349 29#include "wx/scrolwin.h"
e5131165 30
ed673c6a 31#include "wx/gtk/win_gtk.h"
a3669332 32#include "wx/gtk/private.h"
c801d85f 33
993f97ee 34#include <gdk/gdkx.h>
83624f79 35
809934d2
RR		 36//-----------------------------------------------------------------------------
37// local defines
38//-----------------------------------------------------------------------------
39
e1208c31 40#define USE_PAINT_REGION 1
809934d2 41
c801d85f
KB		 42//-----------------------------------------------------------------------------
43// local data
44//-----------------------------------------------------------------------------
45
46#include "bdiag.xbm"
47#include "fdiag.xbm"
48#include "cdiag.xbm"
49#include "horiz.xbm"
50#include "verti.xbm"
51#include "cross.xbm"
52#define num_hatches 6
53
3ca6a5f0
BP		 54#define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
55#define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
56
57
c801d85f 58static GdkPixmap *hatches[num_hatches];
c67daf87 59static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
c801d85f 60
c2fa61e8 61extern GtkWidget *wxGetRootWindow();
3d2d8da1 62
c801d85f
KB		 63//-----------------------------------------------------------------------------
64// constants
65//-----------------------------------------------------------------------------
66
95724b1a 67const double RAD2DEG = 180.0 / M_PI;
c801d85f 68
9a8c7620
VZ		 69// ----------------------------------------------------------------------------
70// private functions
71// ----------------------------------------------------------------------------
72
73static inline double dmax(double a, double b) { return a > b ? a : b; }
74static inline double dmin(double a, double b) { return a < b ? a : b; }
75
76static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
77
6f65e337
JS		 78//-----------------------------------------------------------------------------
79// temporary implementation of the missing GDK function
80//-----------------------------------------------------------------------------
b0e0d661 81
6f65e337 82#include "gdk/gdkprivate.h"
b0e0d661 83
9be3f755 84static
1e6feb95
VZ		 85void gdk_wx_draw_bitmap(GdkDrawable *drawable,
86 GdkGC *gc,
87 GdkDrawable *src,
88 gint xsrc,
89 gint ysrc,
90 gint xdest,
91 gint ydest,
92 gint width,
93 gint height)
6f65e337 94{
17a1ebd1
VZ		 95 wxCHECK_RET( drawable, _T("NULL drawable in gdk_wx_draw_bitmap") );
96 wxCHECK_RET( src, _T("NULL src in gdk_wx_draw_bitmap") );
97 wxCHECK_RET( gc, _T("NULL gc in gdk_wx_draw_bitmap") );
ab9d0a8c 98
d90c9596 99 gint src_width, src_height;
8943b403 100 gdk_drawable_get_size(src, &src_width, &src_height);
8943b403
OK		 101 if (width == -1) width = src_width;
102 if (height == -1) height = src_height;
265898fd 103
8943b403
OK		 104 XCopyPlane( GDK_WINDOW_XDISPLAY(drawable),
105 GDK_WINDOW_XID(src),
106 GDK_WINDOW_XID(drawable),
107 GDK_GC_XGC(gc),
108 xsrc, ysrc,
109 width, height,
d90c9596 110 0, 0,
8943b403 111 1 );
6f65e337
JS		 112}
113
3d2d8da1
RR		 114//-----------------------------------------------------------------------------
115// Implement Pool of Graphic contexts. Creating them takes too much time.
116//-----------------------------------------------------------------------------
117
0e09f76e
RR		 118enum wxPoolGCType
119{
120 wxGC_ERROR = 0,
121 wxTEXT_MONO,
122 wxBG_MONO,
123 wxPEN_MONO,
124 wxBRUSH_MONO,
125 wxTEXT_COLOUR,
126 wxBG_COLOUR,
127 wxPEN_COLOUR,
f6bcfd97
BP		 128 wxBRUSH_COLOUR,
129 wxTEXT_SCREEN,
130 wxBG_SCREEN,
131 wxPEN_SCREEN,
132 wxBRUSH_SCREEN
0e09f76e
RR		 133};
134
3d2d8da1
RR		 135struct wxGC
136{
0e09f76e
RR		 137 GdkGC *m_gc;
138 wxPoolGCType m_type;
139 bool m_used;
3d2d8da1
RR		 140};
141
696f36b7
JS		 142#define GC_POOL_ALLOC_SIZE 100
143
144static int wxGCPoolSize = 0;
145
146static wxGC *wxGCPool = NULL;
3d2d8da1
RR		 147
148static void wxInitGCPool()
149{
696f36b7
JS		 150 // This really could wait until the first call to
151 // wxGetPoolGC, but we will make the first allocation
152 // now when other initialization is being performed.
ab9d0a8c 153
696f36b7
JS		 154 // Set initial pool size.
155 wxGCPoolSize = GC_POOL_ALLOC_SIZE;
ab9d0a8c 156
696f36b7
JS		 157 // Allocate initial pool.
158 wxGCPool = (wxGC *)malloc(wxGCPoolSize * sizeof(wxGC));
159 if (wxGCPool == NULL)
160 {
161 // If we cannot malloc, then fail with error
162 // when debug is enabled. If debug is not enabled,
163 // the problem will eventually get caught
551b5391 164 // in wxGetPoolGC.
696f36b7
JS		 165 wxFAIL_MSG( wxT("Cannot allocate GC pool") );
166 return;
167 }
ab9d0a8c 168
696f36b7
JS		 169 // Zero initial pool.
170 memset(wxGCPool, 0, wxGCPoolSize * sizeof(wxGC));
3d2d8da1
RR		 171}
172
173static void wxCleanUpGCPool()
174{
f6116855 175 for (int i = 0; i < wxGCPoolSize; i++)
3d2d8da1
RR		 176 {
177 if (wxGCPool[i].m_gc)
3fe39b0c 178 g_object_unref (wxGCPool[i].m_gc);
3d2d8da1 179 }
696f36b7
JS		 180
181 free(wxGCPool);
182 wxGCPool = NULL;
183 wxGCPoolSize = 0;
3d2d8da1
RR		 184}
185
0e09f76e 186static GdkGC* wxGetPoolGC( GdkWindow *window, wxPoolGCType type )
3d2d8da1 187{
696f36b7 188 wxGC *pptr;
ab9d0a8c 189
696f36b7
JS		 190 // Look for an available GC.
191 for (int i = 0; i < wxGCPoolSize; i++)
3d2d8da1
RR		 192 {
193 if (!wxGCPool[i].m_gc)
194 {
195 wxGCPool[i].m_gc = gdk_gc_new( window );
196 gdk_gc_set_exposures( wxGCPool[i].m_gc, FALSE );
0e09f76e 197 wxGCPool[i].m_type = type;
ab9d0a8c 198 wxGCPool[i].m_used = false;
3d2d8da1 199 }
0e09f76e 200 if ((!wxGCPool[i].m_used) && (wxGCPool[i].m_type == type))
3d2d8da1 201 {
ab9d0a8c 202 wxGCPool[i].m_used = true;
3d2d8da1
RR		 203 return wxGCPool[i].m_gc;
204 }
205 }
5f170f33 206
696f36b7
JS		 207 // We did not find an available GC.
208 // We need to grow the GC pool.
209 pptr = (wxGC *)realloc(wxGCPool,
551b5391 210 (wxGCPoolSize + GC_POOL_ALLOC_SIZE)*sizeof(wxGC));
696f36b7
JS		 211 if (pptr != NULL)
212 {
213 // Initialize newly allocated pool.
214 wxGCPool = pptr;
551b5391
RR		 215 memset(&wxGCPool[wxGCPoolSize], 0,
216 GC_POOL_ALLOC_SIZE*sizeof(wxGC));
ab9d0a8c
WS		 217
218 // Initialize entry we will return.
696f36b7
JS		 219 wxGCPool[wxGCPoolSize].m_gc = gdk_gc_new( window );
220 gdk_gc_set_exposures( wxGCPool[wxGCPoolSize].m_gc, FALSE );
221 wxGCPool[wxGCPoolSize].m_type = type;
ab9d0a8c
WS		 222 wxGCPool[wxGCPoolSize].m_used = true;
223
696f36b7
JS		 224 // Set new value of pool size.
225 wxGCPoolSize += GC_POOL_ALLOC_SIZE;
ab9d0a8c 226
696f36b7
JS		 227 // Return newly allocated entry.
228 return wxGCPool[wxGCPoolSize-GC_POOL_ALLOC_SIZE].m_gc;
229 }
ab9d0a8c 230
696f36b7 231 // The realloc failed. Fall through to error.
3d2d8da1 232 wxFAIL_MSG( wxT("No GC available") );
5f170f33 233
3d2d8da1
RR		 234 return (GdkGC*) NULL;
235}
236
237static void wxFreePoolGC( GdkGC *gc )
238{
696f36b7 239 for (int i = 0; i < wxGCPoolSize; i++)
3d2d8da1
RR		 240 {
241 if (wxGCPool[i].m_gc == gc)
242 {
ab9d0a8c 243 wxGCPool[i].m_used = false;
3d2d8da1
RR		 244 return;
245 }
246 }
5f170f33 247
3d2d8da1
RR		 248 wxFAIL_MSG( wxT("Wrong GC") );
249}
250
c801d85f 251//-----------------------------------------------------------------------------
ec758a20 252// wxWindowDC
c801d85f
KB		 253//-----------------------------------------------------------------------------
254
b0e0d661 255IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
c801d85f 256
4bc67cc5 257wxWindowDC::wxWindowDC()
c801d85f 258{
265898fd
RR		 259 m_penGC = (GdkGC *) NULL;
260 m_brushGC = (GdkGC *) NULL;
261 m_textGC = (GdkGC *) NULL;
262 m_bgGC = (GdkGC *) NULL;
263 m_cmap = (GdkColormap *) NULL;
ab9d0a8c
WS		 264 m_isMemDC = false;
265 m_isScreenDC = false;
bbbbe360 266 m_owner = (wxWindow *)NULL;
8943b403 267 m_context = (PangoContext *)NULL;
cfcc3932 268 m_layout = (PangoLayout *)NULL;
8943b403 269 m_fontdesc = (PangoFontDescription *)NULL;
903f689b 270}
c801d85f 271
ec758a20 272wxWindowDC::wxWindowDC( wxWindow *window )
c801d85f 273{
3cd0b8c5
RR		 274 wxASSERT_MSG( window, wxT("DC needs a window") );
275
265898fd
RR		 276 m_penGC = (GdkGC *) NULL;
277 m_brushGC = (GdkGC *) NULL;
278 m_textGC = (GdkGC *) NULL;
279 m_bgGC = (GdkGC *) NULL;
280 m_cmap = (GdkColormap *) NULL;
bbbbe360 281 m_owner = (wxWindow *)NULL;
ab9d0a8c
WS		 282 m_isMemDC = false;
283 m_isScreenDC = false;
3b245d60 284 m_font = window->GetFont();
7d5af6fa 285
a2053b27 286 GtkWidget *widget = window->m_wxwindow;
7d5af6fa 287
cfcc3932 288 // Some controls don't have m_wxwindow - like wxStaticBox, but the user
b7f1f77f 289 // code should still be able to create wxClientDCs for them, so we will
cfcc3932 290 // use the parent window here then.
b7f1f77f
VZ		 291 if ( !widget )
292 {
293 window = window->GetParent();
294 widget = window->m_wxwindow;
295 }
296
223d09f6 297 wxASSERT_MSG( widget, wxT("DC needs a widget") );
7d5af6fa 298
2b5f62a0 299 m_context = window->GtkGetPangoDefaultContext();
cfcc3932
RR		 300 m_layout = pango_layout_new( m_context );
301 m_fontdesc = pango_font_description_copy( widget->style->font_desc );
8943b403 302
da048e3d
RR		 303 GtkPizza *pizza = GTK_PIZZA( widget );
304 m_window = pizza->bin_window;
7d5af6fa 305
cfcc3932 306 // Window not realized ?
1e133b7d
RR		 307 if (!m_window)
308 {
cfcc3932 309 // Don't report problems as per MSW.
ab9d0a8c 310 m_ok = true;
7d5af6fa
VZ		 311
312 return;
1e133b7d 313 }
7d5af6fa 314
b7f1f77f 315 m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
7d5af6fa 316
265898fd 317 SetUpDC();
bbbbe360
RR		 318
319 /* this must be done after SetUpDC, bacause SetUpDC calls the
320 repective SetBrush, SetPen, SetBackground etc functions
321 to set up the DC. SetBackground call m_owner->SetBackground
322 and this might not be desired as the standard dc background
323 is white whereas a window might assume gray to be the
324 standard (as e.g. wxStatusBar) */
7d5af6fa 325
bbbbe360 326 m_owner = window;
847dfdb4
RR		 327
328 if (m_owner && m_owner->m_wxwindow && (m_owner->GetLayoutDirection() == wxLayout_RightToLeft))
329 {
5713b349 330 // reverse sense
847dfdb4 331 m_signX = -1;
807a572e 332
5713b349 333 // origin in the upper right corner
807a572e 334 m_deviceOriginX = m_owner->GetClientSize().x;
847dfdb4 335 }
903f689b 336}
c801d85f 337
4bc67cc5 338wxWindowDC::~wxWindowDC()
c801d85f 339{
265898fd 340 Destroy();
ab9d0a8c 341
cfcc3932 342 if (m_layout)
3fe39b0c 343 g_object_unref (m_layout);
cfcc3932
RR		 344 if (m_fontdesc)
345 pango_font_description_free( m_fontdesc );
903f689b 346}
c801d85f 347
809934d2
RR		 348void wxWindowDC::SetUpDC()
349{
ab9d0a8c 350 m_ok = true;
5f170f33 351
809934d2 352 wxASSERT_MSG( !m_penGC, wxT("GCs already created") );
5f170f33 353
f6bcfd97
BP		 354 if (m_isScreenDC)
355 {
356 m_penGC = wxGetPoolGC( m_window, wxPEN_SCREEN );
357 m_brushGC = wxGetPoolGC( m_window, wxBRUSH_SCREEN );
358 m_textGC = wxGetPoolGC( m_window, wxTEXT_SCREEN );
359 m_bgGC = wxGetPoolGC( m_window, wxBG_SCREEN );
360 }
361 else
809934d2
RR		 362 if (m_isMemDC && (((wxMemoryDC*)this)->m_selected.GetDepth() == 1))
363 {
364 m_penGC = wxGetPoolGC( m_window, wxPEN_MONO );
365 m_brushGC = wxGetPoolGC( m_window, wxBRUSH_MONO );
366 m_textGC = wxGetPoolGC( m_window, wxTEXT_MONO );
367 m_bgGC = wxGetPoolGC( m_window, wxBG_MONO );
368 }
369 else
370 {
371 m_penGC = wxGetPoolGC( m_window, wxPEN_COLOUR );
372 m_brushGC = wxGetPoolGC( m_window, wxBRUSH_COLOUR );
373 m_textGC = wxGetPoolGC( m_window, wxTEXT_COLOUR );
374 m_bgGC = wxGetPoolGC( m_window, wxBG_COLOUR );
375 }
376
377 /* background colour */
378 m_backgroundBrush = *wxWHITE_BRUSH;
379 m_backgroundBrush.GetColour().CalcPixel( m_cmap );
2796f657 380#ifdef __WXGTK24__
c6685317 381 const GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor();
2796f657
PC		 382#else
383 GdkColor *bg_col = m_backgroundBrush.GetColour().GetColor();
384#endif
809934d2
RR		 385
386 /* m_textGC */
387 m_textForegroundColour.CalcPixel( m_cmap );
388 gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
389
390 m_textBackgroundColour.CalcPixel( m_cmap );
391 gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
392
393 gdk_gc_set_fill( m_textGC, GDK_SOLID );
4ba1c184
RR		 394
395 gdk_gc_set_colormap( m_textGC, m_cmap );
809934d2
RR		 396
397 /* m_penGC */
398 m_pen.GetColour().CalcPixel( m_cmap );
399 gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
400 gdk_gc_set_background( m_penGC, bg_col );
5f170f33 401
809934d2 402 gdk_gc_set_line_attributes( m_penGC, 0, GDK_LINE_SOLID, GDK_CAP_NOT_LAST, GDK_JOIN_ROUND );
5f170f33 403
809934d2
RR		 404 /* m_brushGC */
405 m_brush.GetColour().CalcPixel( m_cmap );
406 gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
407 gdk_gc_set_background( m_brushGC, bg_col );
5f170f33 408
809934d2 409 gdk_gc_set_fill( m_brushGC, GDK_SOLID );
5f170f33 410
809934d2
RR		 411 /* m_bgGC */
412 gdk_gc_set_background( m_bgGC, bg_col );
413 gdk_gc_set_foreground( m_bgGC, bg_col );
414
415 gdk_gc_set_fill( m_bgGC, GDK_SOLID );
5f170f33 416
809934d2
RR		 417 /* ROPs */
418 gdk_gc_set_function( m_textGC, GDK_COPY );
419 gdk_gc_set_function( m_brushGC, GDK_COPY );
420 gdk_gc_set_function( m_penGC, GDK_COPY );
5f170f33 421
809934d2
RR		 422 /* clipping */
423 gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
424 gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
425 gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
426 gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
427
428 if (!hatch_bitmap)
429 {
430 hatch_bitmap = hatches;
431 hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
432 hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height );
433 hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height );
434 hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height );
435 hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height );
436 hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height );
437 }
438}
439
376aa62a
VZ		 440void wxWindowDC::DoGetSize( int* width, int* height ) const
441{
442 wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
443
444 m_owner->GetSize(width, height);
445}
446
ab9d0a8c 447extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
06cf7c08 448 const wxColour & col, int style);
b1699cd3 449
387ebd3e 450bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
06cf7c08
VS		 451 const wxColour& col, int style)
452{
387ebd3e 453 return wxDoFloodFill(this, x, y, col, style);
903f689b 454}
c801d85f 455
dc1efb1d 456bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
c801d85f 457{
dc1efb1d
JS		 458 // Generic (and therefore rather inefficient) method.
459 // Could be improved.
460 wxMemoryDC memdc;
461 wxBitmap bitmap(1, 1);
462 memdc.SelectObject(bitmap);
463 memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1);
464 memdc.SelectObject(wxNullBitmap);
c2fa61e8 465
368d59f0 466 wxImage image = bitmap.ConvertToImage();
dc1efb1d 467 col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
ab9d0a8c 468 return true;
903f689b 469}
c801d85f 470
72cdf4c9 471void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
c801d85f 472{
223d09f6 473 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 474
265898fd
RR		 475 if (m_pen.GetStyle() != wxTRANSPARENT)
476 {
6db90681
RR		 477 if (m_window)
478 gdk_draw_line( m_window, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
7d5af6fa 479
ed880dd4
RR		 480 CalcBoundingBox(x1, y1);
481 CalcBoundingBox(x2, y2);
265898fd 482 }
903f689b 483}
c801d85f 484
72cdf4c9 485void wxWindowDC::DoCrossHair( wxCoord x, wxCoord y )
c801d85f 486{
223d09f6 487 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 488
265898fd
RR		 489 if (m_pen.GetStyle() != wxTRANSPARENT)
490 {
491 int w = 0;
492 int h = 0;
493 GetSize( &w, &h );
72cdf4c9
VZ		 494 wxCoord xx = XLOG2DEV(x);
495 wxCoord yy = YLOG2DEV(y);
6db90681 496 if (m_window)
7d5af6fa 497 {
6db90681
RR		 498 gdk_draw_line( m_window, m_penGC, 0, yy, XLOG2DEVREL(w), yy );
499 gdk_draw_line( m_window, m_penGC, xx, 0, xx, YLOG2DEVREL(h) );
7d5af6fa 500 }
265898fd 501 }
903f689b 502}
c801d85f 503
72cdf4c9
VZ		 504void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
505 wxCoord xc, wxCoord yc )
c801d85f 506{
223d09f6 507 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 508
72cdf4c9
VZ		 509 wxCoord xx1 = XLOG2DEV(x1);
510 wxCoord yy1 = YLOG2DEV(y1);
511 wxCoord xx2 = XLOG2DEV(x2);
512 wxCoord yy2 = YLOG2DEV(y2);
513 wxCoord xxc = XLOG2DEV(xc);
514 wxCoord yyc = YLOG2DEV(yc);
7d5af6fa 515 double dx = xx1 - xxc;
265898fd 516 double dy = yy1 - yyc;
de87c353 517 double radius = sqrt((double)(dx*dx+dy*dy));
72cdf4c9 518 wxCoord r = (wxCoord)radius;
265898fd
RR		 519 double radius1, radius2;
520
7d5af6fa 521 if (xx1 == xx2 && yy1 == yy2)
265898fd
RR		 522 {
523 radius1 = 0.0;
524 radius2 = 360.0;
7d5af6fa 525 }
c77a6796 526 else if ( wxIsNullDouble(radius) )
265898fd 527 {
c77a6796
VZ		 528 radius1 =
529 radius2 = 0.0;
7d5af6fa
VZ		 530 }
531 else
265898fd
RR		 532 {
533 radius1 = (xx1 - xxc == 0) ?
b0e0d661
VZ		 534 (yy1 - yyc < 0) ? 90.0 : -90.0 :
535 -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
265898fd 536 radius2 = (xx2 - xxc == 0) ?
b0e0d661
VZ		 537 (yy2 - yyc < 0) ? 90.0 : -90.0 :
538 -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
265898fd 539 }
72cdf4c9
VZ		 540 wxCoord alpha1 = wxCoord(radius1 * 64.0);
541 wxCoord alpha2 = wxCoord((radius2 - radius1) * 64.0);
265898fd
RR		 542 while (alpha2 <= 0) alpha2 += 360*64;
543 while (alpha1 > 360*64) alpha1 -= 360*64;
544
6db90681
RR		 545 if (m_window)
546 {
547 if (m_brush.GetStyle() != wxTRANSPARENT)
e9f88d04
VZ		 548 {
549 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
550 {
551 gdk_gc_set_ts_origin( m_textGC,
552 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
553 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
554 gdk_draw_arc( m_window, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
555 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
556 } else
3ca6a5f0
BP		 557 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
558 {
559 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
560 gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
561 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
562 } else
563 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
564 {
565 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
566 gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
567 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
568 } else
e9f88d04
VZ		 569 if (m_brush.GetStyle() == wxSTIPPLE)
570 {
571 gdk_gc_set_ts_origin( m_brushGC,
572 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
573 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
574 gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
575 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
576 }
577 else
578 {
579 gdk_draw_arc( m_window, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
580 }
581 }
7d5af6fa 582
6db90681 583 if (m_pen.GetStyle() != wxTRANSPARENT)
3d0c4d2e 584 {
6db90681 585 gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
f469b27c 586
9707fd13
RR		 587 if ((m_brush.GetStyle() != wxTRANSPARENT) && (alpha2 - alpha1 != 360*64))
588 {
589 gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc );
590 gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 );
591 }
3d0c4d2e 592 }
6db90681 593 }
7d5af6fa 594
265898fd
RR		 595 CalcBoundingBox (x1, y1);
596 CalcBoundingBox (x2, y2);
903f689b 597}
c801d85f 598
72cdf4c9 599void wxWindowDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double sa, double ea )
c801d85f 600{
223d09f6 601 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 602
72cdf4c9
VZ		 603 wxCoord xx = XLOG2DEV(x);
604 wxCoord yy = YLOG2DEV(y);
605 wxCoord ww = m_signX * XLOG2DEVREL(width);
606 wxCoord hh = m_signY * YLOG2DEVREL(height);
7d5af6fa 607
265898fd
RR		 608 // CMB: handle -ve width and/or height
609 if (ww < 0) { ww = -ww; xx = xx - ww; }
610 if (hh < 0) { hh = -hh; yy = yy - hh; }
7d5af6fa 611
6db90681
RR		 612 if (m_window)
613 {
72cdf4c9 614 wxCoord start = wxCoord(sa * 64.0);
3d0c4d2e 615 wxCoord end = wxCoord((ea-sa) * 64.0);
7d5af6fa 616
6db90681 617 if (m_brush.GetStyle() != wxTRANSPARENT)
e9f88d04
VZ		 618 {
619 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
620 {
621 gdk_gc_set_ts_origin( m_textGC,
622 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
623 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
624 gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, start, end );
625 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
626 } else
3ca6a5f0
BP		 627 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
628 {
629 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
630 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
631 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
632 } else
633 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
634 {
635 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
636 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
637 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
638 } else
e9f88d04
VZ		 639 if (m_brush.GetStyle() == wxSTIPPLE)
640 {
641 gdk_gc_set_ts_origin( m_brushGC,
642 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
643 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
644 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
645 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
646 }
647 else
648 {
649 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
650 }
651 }
7d5af6fa 652
6db90681
RR		 653 if (m_pen.GetStyle() != wxTRANSPARENT)
654 gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, start, end );
655 }
7d5af6fa 656
265898fd
RR		 657 CalcBoundingBox (x, y);
658 CalcBoundingBox (x + width, y + height);
903f689b 659}
c801d85f 660
72cdf4c9 661void wxWindowDC::DoDrawPoint( wxCoord x, wxCoord y )
c801d85f 662{
223d09f6 663 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 664
6db90681 665 if ((m_pen.GetStyle() != wxTRANSPARENT) && m_window)
265898fd 666 gdk_draw_point( m_window, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
7d5af6fa 667
265898fd 668 CalcBoundingBox (x, y);
903f689b 669}
c801d85f 670
72cdf4c9 671void wxWindowDC::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset )
c801d85f 672{
223d09f6 673 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 674
265898fd
RR		 675 if (m_pen.GetStyle() == wxTRANSPARENT) return;
676 if (n <= 0) return;
7d5af6fa 677
e90411c2 678 //Check, if scaling is necessary
280831d5
PC		 679 const bool doScale =
680 xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
e90411c2 681
280831d5
PC		 682 // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
683 GdkPoint* gpts = reinterpret_cast<GdkPoint*>(points);
e90411c2 684
280831d5 685 if (doScale)
e90411c2 686 gpts = new GdkPoint[n];
7d5af6fa 687
ab9d0a8c 688 for (int i = 0; i < n; i++)
265898fd 689 {
280831d5
PC		 690 if (doScale)
691 {
692 gpts[i].x = XLOG2DEV(points[i].x + xoffset);
693 gpts[i].y = YLOG2DEV(points[i].y + yoffset);
e90411c2 694 }
280831d5 695 CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset);
e90411c2 696 }
6eb37239
VZ		 697
698 if (m_window)
699 gdk_draw_lines( m_window, m_penGC, gpts, n);
700
e90411c2 701 if (doScale)
280831d5 702 delete[] gpts;
903f689b 703}
c801d85f 704
72cdf4c9 705void wxWindowDC::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle) )
cf7a7e13 706{
223d09f6 707 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 708
4bc67cc5 709 if (n <= 0) return;
7d5af6fa 710
e90411c2 711 //Check, if scaling is necessary
280831d5
PC		 712 const bool doScale =
713 xoffset != 0 || yoffset != 0 || XLOG2DEV(10) != 10 || YLOG2DEV(10) != 10;
e90411c2 714
280831d5
PC		 715 // GdkPoint and wxPoint have the same memory layout, so we can cast one to the other
716 GdkPoint* gdkpoints = reinterpret_cast<GdkPoint*>(points);
e90411c2 717
280831d5
PC		 718 if (doScale)
719 gdkpoints = new GdkPoint[n];
e90411c2 720
265898fd
RR		 721 int i;
722 for (i = 0 ; i < n ; i++)
723 {
280831d5
PC		 724 if (doScale)
725 {
726 gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
727 gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
e90411c2 728 }
280831d5 729 CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset);
e90411c2 730 }
7d5af6fa 731
de2d2cdc 732 if (m_window)
72174350 733 {
e1208c31 734 if (m_brush.GetStyle() != wxTRANSPARENT)
72174350 735 {
e1208c31
RR		 736 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
737 {
5f170f33
VZ		 738 gdk_gc_set_ts_origin( m_textGC,
739 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
e1208c31
RR		 740 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
741 gdk_draw_polygon( m_window, m_textGC, TRUE, gdkpoints, n );
742 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
743 } else
3ca6a5f0
BP		 744 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
745 {
746 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
747 gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
748 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
749 } else
750 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
751 {
752 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
753 gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
754 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
755 } else
e1208c31
RR		 756 if (m_brush.GetStyle() == wxSTIPPLE)
757 {
5f170f33
VZ		 758 gdk_gc_set_ts_origin( m_brushGC,
759 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
e1208c31
RR		 760 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
761 gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
762 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
763 }
764 else
765 {
766 gdk_draw_polygon( m_window, m_brushGC, TRUE, gdkpoints, n );
767 }
72174350 768 }
7d5af6fa 769
e1208c31 770 if (m_pen.GetStyle() != wxTRANSPARENT)
b0e0d661 771 {
bb56b0a8 772/*
e1208c31
RR		 773 for (i = 0 ; i < n ; i++)
774 {
775 gdk_draw_line( m_window, m_penGC,
776 gdkpoints[i%n].x,
777 gdkpoints[i%n].y,
778 gdkpoints[(i+1)%n].x,
779 gdkpoints[(i+1)%n].y);
780 }
bb56b0a8
JS		 781*/
782 gdk_draw_polygon( m_window, m_penGC, FALSE, gdkpoints, n );
ab9d0a8c 783
265898fd 784 }
6db90681 785 }
7d5af6fa 786
e90411c2 787 if (doScale)
280831d5 788 delete[] gdkpoints;
903f689b 789}
c801d85f 790
72cdf4c9 791void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f 792{
223d09f6 793 wxCHECK_RET( Ok(), wxT("invalid window dc") );
c801d85f 794
72cdf4c9
VZ		 795 wxCoord xx = XLOG2DEV(x);
796 wxCoord yy = YLOG2DEV(y);
797 wxCoord ww = m_signX * XLOG2DEVREL(width);
798 wxCoord hh = m_signY * YLOG2DEVREL(height);
7d5af6fa 799
265898fd
RR		 800 // CMB: draw nothing if transformed w or h is 0
801 if (ww == 0 || hh == 0) return;
6f65e337 802
265898fd
RR		 803 // CMB: handle -ve width and/or height
804 if (ww < 0) { ww = -ww; xx = xx - ww; }
805 if (hh < 0) { hh = -hh; yy = yy - hh; }
6f65e337 806
6db90681
RR		 807 if (m_window)
808 {
e1208c31 809 if (m_brush.GetStyle() != wxTRANSPARENT)
72174350 810 {
e1208c31
RR		 811 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
812 {
5f170f33
VZ		 813 gdk_gc_set_ts_origin( m_textGC,
814 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
e1208c31
RR		 815 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
816 gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy, ww, hh );
817 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
3ca6a5f0
BP		 818 } else
819 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
820 {
821 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
822 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
823 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
824 } else
825 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
826 {
827 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
828 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
829 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
830 } else
831 if (m_brush.GetStyle() == wxSTIPPLE)
e1208c31 832 {
5f170f33
VZ		 833 gdk_gc_set_ts_origin( m_brushGC,
834 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
e1208c31 835 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
72174350 836 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
e1208c31
RR		 837 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
838 }
839 else
840 {
841 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy, ww, hh );
842 }
72174350 843 }
e1208c31
RR		 844
845 if (m_pen.GetStyle() != wxTRANSPARENT)
3b5bf828
RR		 846 {
847#if 1
848 if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) &&
849 (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxSOLID))
850 {
851 // Use 2 1-line rects instead
852 gdk_gc_set_line_attributes( m_penGC, 1, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
853
854 if (m_signX == -1)
855 {
856 // Different for RTL
857 gdk_draw_rectangle( m_window, m_penGC, FALSE, xx+1, yy, ww-2, hh-2 );
858 gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy-1, ww, hh );
859 }
860 else
861 {
862 gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-2, hh-2 );
863 gdk_draw_rectangle( m_window, m_penGC, FALSE, xx-1, yy-1, ww, hh );
864 }
865
866 // reset
867 gdk_gc_set_line_attributes( m_penGC, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
868 }
869 else
870#endif
871 {
872 // Just use X11 for other cases
873 gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 );
874 }
875 }
6db90681 876 }
7d5af6fa 877
265898fd
RR		 878 CalcBoundingBox( x, y );
879 CalcBoundingBox( x + width, y + height );
903f689b 880}
c801d85f 881
72cdf4c9 882void wxWindowDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius )
c801d85f 883{
223d09f6 884 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 885
265898fd 886 if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
7d5af6fa 887
72cdf4c9
VZ		 888 wxCoord xx = XLOG2DEV(x);
889 wxCoord yy = YLOG2DEV(y);
890 wxCoord ww = m_signX * XLOG2DEVREL(width);
891 wxCoord hh = m_signY * YLOG2DEVREL(height);
892 wxCoord rr = XLOG2DEVREL((wxCoord)radius);
265898fd
RR		 893
894 // CMB: handle -ve width and/or height
895 if (ww < 0) { ww = -ww; xx = xx - ww; }
896 if (hh < 0) { hh = -hh; yy = yy - hh; }
897
898 // CMB: if radius is zero use DrawRectangle() instead to avoid
899 // X drawing errors with small radii
900 if (rr == 0)
901 {
902 DrawRectangle( x, y, width, height );
903 return;
904 }
905
906 // CMB: draw nothing if transformed w or h is 0
907 if (ww == 0 || hh == 0) return;
908
909 // CMB: adjust size if outline is drawn otherwise the result is
910 // 1 pixel too wide and high
911 if (m_pen.GetStyle() != wxTRANSPARENT)
912 {
913 ww--;
914 hh--;
915 }
916
6db90681 917 if (m_window)
265898fd 918 {
6db90681
RR		 919 // CMB: ensure dd is not larger than rectangle otherwise we
920 // get an hour glass shape
72cdf4c9 921 wxCoord dd = 2 * rr;
6db90681
RR		 922 if (dd > ww) dd = ww;
923 if (dd > hh) dd = hh;
924 rr = dd / 2;
925
926 if (m_brush.GetStyle() != wxTRANSPARENT)
927 {
a56fcaaf
RR		 928 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
929 {
5f170f33
VZ		 930 gdk_gc_set_ts_origin( m_textGC,
931 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
a56fcaaf
RR		 932 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
933 gdk_draw_rectangle( m_window, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
934 gdk_draw_rectangle( m_window, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
935 gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
936 gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
937 gdk_draw_arc( m_window, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
938 gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
939 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
3ca6a5f0
BP		 940 } else
941 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
942 {
943 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
944 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
945 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
946 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
947 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
948 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
949 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
950 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
951 } else
952 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
953 {
954 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
955 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
956 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
957 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
958 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
959 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
960 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
961 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
962 } else
963 if (m_brush.GetStyle() == wxSTIPPLE)
a56fcaaf 964 {
5f170f33
VZ		 965 gdk_gc_set_ts_origin( m_brushGC,
966 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
a56fcaaf
RR		 967 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
968 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
969 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
970 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
971 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
972 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
973 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
974 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
975 }
976 else
977 {
978 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
979 gdk_draw_rectangle( m_window, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
980 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
981 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
982 gdk_draw_arc( m_window, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
983 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
984 }
6db90681 985 }
7d5af6fa 986
6db90681 987 if (m_pen.GetStyle() != wxTRANSPARENT)
7d5af6fa 988 {
3ca6a5f0
BP		 989 gdk_draw_line( m_window, m_penGC, xx+rr+1, yy, xx+ww-rr, yy );
990 gdk_draw_line( m_window, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
991 gdk_draw_line( m_window, m_penGC, xx, yy+rr+1, xx, yy+hh-rr );
992 gdk_draw_line( m_window, m_penGC, xx+ww, yy+rr+1, xx+ww, yy+hh-rr );
6db90681
RR		 993 gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, dd, dd, 90*64, 90*64 );
994 gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
995 gdk_draw_arc( m_window, m_penGC, FALSE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
996 gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
7d5af6fa 997 }
265898fd 998 }
7d5af6fa 999
265898fd
RR		 1000 // this ignores the radius
1001 CalcBoundingBox( x, y );
1002 CalcBoundingBox( x + width, y + height );
903f689b 1003}
c801d85f 1004
72cdf4c9 1005void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f 1006{
223d09f6 1007 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 1008
72cdf4c9
VZ		 1009 wxCoord xx = XLOG2DEV(x);
1010 wxCoord yy = YLOG2DEV(y);
1011 wxCoord ww = m_signX * XLOG2DEVREL(width);
1012 wxCoord hh = m_signY * YLOG2DEVREL(height);
6f65e337 1013
265898fd
RR		 1014 // CMB: handle -ve width and/or height
1015 if (ww < 0) { ww = -ww; xx = xx - ww; }
1016 if (hh < 0) { hh = -hh; yy = yy - hh; }
7d5af6fa 1017
6db90681
RR		 1018 if (m_window)
1019 {
1020 if (m_brush.GetStyle() != wxTRANSPARENT)
a56fcaaf
RR		 1021 {
1022 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
1023 {
5f170f33
VZ		 1024 gdk_gc_set_ts_origin( m_textGC,
1025 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
a56fcaaf
RR		 1026 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
1027 gdk_draw_arc( m_window, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
1028 gdk_gc_set_ts_origin( m_textGC, 0, 0 );
3ca6a5f0
BP		 1029 } else
1030 if (IS_15_PIX_HATCH(m_brush.GetStyle()))
1031 {
1032 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
1033 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
1034 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
1035 } else
1036 if (IS_16_PIX_HATCH(m_brush.GetStyle()))
1037 {
1038 gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
1039 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
1040 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
1041 } else
1042 if (m_brush.GetStyle() == wxSTIPPLE)
a56fcaaf 1043 {
5f170f33
VZ		 1044 gdk_gc_set_ts_origin( m_brushGC,
1045 m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
a56fcaaf
RR		 1046 m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
1047 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
1048 gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
1049 }
1050 else
1051 {
1052 gdk_draw_arc( m_window, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
1053 }
1054 }
7d5af6fa 1055
6db90681
RR		 1056 if (m_pen.GetStyle() != wxTRANSPARENT)
1057 gdk_draw_arc( m_window, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
1058 }
7d5af6fa 1059
44856297 1060 CalcBoundingBox( x, y );
265898fd 1061 CalcBoundingBox( x + width, y + height );
903f689b 1062}
c801d85f 1063
72cdf4c9 1064void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
c801d85f 1065{
b0e0d661 1066 // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
ab9d0a8c 1067 DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
903f689b 1068}
c801d85f 1069
b0e0d661 1070void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
72cdf4c9 1071 wxCoord x, wxCoord y,
b0e0d661 1072 bool useMask )
4bc67cc5 1073{
223d09f6 1074 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 1075
223d09f6 1076 wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
7d5af6fa 1077
b85229d1 1078 bool is_mono = bitmap.GetDepth() == 1;
82ea63e6 1079
d90c9596 1080 // scale/translate size and position
265898fd
RR		 1081 int xx = XLOG2DEV(x);
1082 int yy = YLOG2DEV(y);
7d5af6fa 1083
4bc67cc5
RR		 1084 int w = bitmap.GetWidth();
1085 int h = bitmap.GetHeight();
847dfdb4
RR		 1086
1087 if (m_owner && m_owner->GetLayoutDirection() == wxLayout_RightToLeft)
1088 xx -= w;
1089
6453876e
RR		 1090 CalcBoundingBox( x, y );
1091 CalcBoundingBox( x + w, y + h );
7d5af6fa 1092
6453876e 1093 if (!m_window) return;
7d5af6fa 1094
4bc67cc5
RR		 1095 int ww = XLOG2DEVREL(w);
1096 int hh = YLOG2DEVREL(h);
7d5af6fa 1097
d90c9596 1098 // compare to current clipping region
e1208c31 1099 if (!m_currentClippingRegion.IsNull())
3d2d8da1
RR		 1100 {
1101 wxRegion tmp( xx,yy,ww,hh );
1102 tmp.Intersect( m_currentClippingRegion );
1103 if (tmp.IsEmpty())
1104 return;
1105 }
5f170f33 1106
ab9d0a8c 1107 // scale bitmap if required
d90c9596 1108 wxBitmap use_bitmap = bitmap;
4bc67cc5 1109 if ((w != ww) || (h != hh))
d90c9596 1110 use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
ab9d0a8c 1111
1abedc32
VS		 1112#if !GTK_CHECK_VERSION(2,2,0)
1113 // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
1114 // Pixbufs-based bitmaps with alpha channel don't have a mask, so we
1115 // have to call GetPixmap() here -- it converts the pixbuf into pixmap
1116 // and also creates the mask as a side-effect:
1117 use_bitmap.GetPixmap();
1118#endif
ab9d0a8c 1119
d90c9596 1120 // apply mask if any
463c1fa1 1121 GdkBitmap *mask = (GdkBitmap *) NULL;
280831d5
PC		 1122 if (useMask && use_bitmap.GetMask())
1123 mask = use_bitmap.GetMask()->GetBitmap();
1124
1125 GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
7d5af6fa 1126
d90c9596 1127 GdkBitmap *new_mask = (GdkBitmap*) NULL;
ab9d0a8c 1128
280831d5 1129 if (mask != NULL)
d90c9596
RR		 1130 {
1131 if (!m_currentClippingRegion.IsNull())
82ea63e6 1132 {
d90c9596
RR		 1133 GdkColor col;
1134 new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
1135 GdkGC *gc = gdk_gc_new( new_mask );
1136 col.pixel = 0;
1137 gdk_gc_set_foreground( gc, &col );
1138 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
1139 col.pixel = 0;
1140 gdk_gc_set_background( gc, &col );
1141 col.pixel = 1;
1142 gdk_gc_set_foreground( gc, &col );
1143 gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
1144 gdk_gc_set_clip_origin( gc, -xx, -yy );
1145 gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
1146 gdk_gc_set_stipple( gc, mask );
1147 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
280831d5 1148 mask = new_mask;
3fe39b0c 1149 g_object_unref (gc);
d90c9596 1150 }
ab9d0a8c 1151
280831d5
PC		 1152 gdk_gc_set_clip_mask(use_gc, mask);
1153 gdk_gc_set_clip_origin(use_gc, xx, yy);
d90c9596 1154 }
7d5af6fa 1155
d90c9596
RR		 1156 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1157 // drawing a mono-bitmap (XBitmap) we use the current text GC
82ea63e6 1158 if (is_mono)
d90c9596 1159 {
4e115ed2
VZ		 1160 GdkPixmap *bitmap2 = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, -1 );
1161 GdkGC *gc = gdk_gc_new( bitmap2 );
d90c9596
RR		 1162 gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
1163 gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
b85229d1 1164 gdk_wx_draw_bitmap( bitmap2, gc, use_bitmap.GetPixmap(), 0, 0, 0, 0, -1, -1 );
ab9d0a8c 1165
280831d5 1166 gdk_draw_drawable(m_window, use_gc, bitmap2, 0, 0, xx, yy, -1, -1);
ab9d0a8c 1167
3fe39b0c
MR		 1168 g_object_unref (bitmap2);
1169 g_object_unref (gc);
d90c9596 1170 }
82ea63e6 1171 else
d90c9596 1172 {
feac7937 1173#if GTK_CHECK_VERSION(2,2,0)
cc35003a 1174 if (!gtk_check_version(2,2,0) && use_bitmap.HasPixbuf())
feac7937 1175 {
280831d5 1176 gdk_draw_pixbuf(m_window, use_gc,
feac7937
VS		 1177 use_bitmap.GetPixbuf(),
1178 0, 0, xx, yy, -1, -1,
1179 GDK_RGB_DITHER_NORMAL, xx, yy);
1180 }
1181 else
1182#endif
1183 {
280831d5 1184 gdk_draw_drawable(m_window, use_gc,
15f0ad70
MR		 1185 use_bitmap.GetPixmap(),
1186 0, 0, xx, yy, -1, -1);
feac7937 1187 }
d90c9596 1188 }
72174350 1189
d90c9596 1190 // remove mask again if any
280831d5 1191 if (mask != NULL)
463c1fa1 1192 {
280831d5
PC		 1193 gdk_gc_set_clip_mask(use_gc, NULL);
1194 gdk_gc_set_clip_origin(use_gc, 0, 0);
1195 if (!m_currentClippingRegion.IsNull())
1196 gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
1197 if (new_mask != NULL)
1198 g_object_unref(new_mask);
463c1fa1 1199 }
463c1fa1
RR		 1200}
1201
1e6feb95
VZ		 1202bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
1203 wxCoord width, wxCoord height,
1204 wxDC *source,
1205 wxCoord xsrc, wxCoord ysrc,
1206 int logical_func,
0cbff120
JS		 1207 bool useMask,
1208 wxCoord xsrcMask, wxCoord ysrcMask )
c801d85f 1209{
ab9d0a8c 1210 wxCHECK_MSG( Ok(), false, wxT("invalid window dc") );
7d5af6fa 1211
ab9d0a8c 1212 wxCHECK_MSG( source, false, wxT("invalid source dc") );
7d5af6fa 1213
ab9d0a8c 1214 if (!m_window) return false;
7d5af6fa 1215
1e6feb95 1216 // transform the source DC coords to the device ones
772b3767
PC		 1217 xsrc = source->LogicalToDeviceX(xsrc);
1218 ysrc = source->LogicalToDeviceY(ysrc);
1e6feb95 1219
f98bd6d6
RD		 1220 wxMemoryDC *memDC = wxDynamicCast(source, wxMemoryDC);
1221 wxBitmap selected = source->GetSelectedBitmap();
1222
ab9d0a8c
WS		 1223 bool use_bitmap_method = false;
1224 bool is_mono = false;
7d5af6fa 1225
0cbff120
JS		 1226 if (xsrcMask == -1 && ysrcMask == -1)
1227 {
d90c9596
RR		 1228 xsrcMask = xsrc;
1229 ysrcMask = ysrc;
0cbff120
JS		 1230 }
1231
f98bd6d6
RD		 1232 if (memDC && !selected.Ok()) return false;
1233
1234 if (selected.Ok())
6e13c196 1235 {
f98bd6d6 1236 is_mono = (selected.GetDepth() == 1);
d90c9596
RR		 1237
1238 // we use the "XCopyArea" way to copy a memory dc into
1239 // a different window if the memory dc BOTH
1240 // a) doesn't have any mask or its mask isn't used
1241 // b) it is clipped
1242 // c) is not 1-bit
7d5af6fa 1243
f98bd6d6 1244 if (useMask && (selected.GetMask()))
b0e0d661 1245 {
d90c9596
RR		 1246 // we HAVE TO use the direct way for memory dcs
1247 // that have mask since the XCopyArea doesn't know
1248 // about masks
ab9d0a8c 1249 use_bitmap_method = true;
b0e0d661 1250 }
d90c9596 1251 else if (is_mono)
b0e0d661 1252 {
d90c9596
RR		 1253 // we HAVE TO use the direct way for memory dcs
1254 // that are bitmaps because XCopyArea doesn't cope
1255 // with different bit depths
ab9d0a8c 1256 use_bitmap_method = true;
b0e0d661
VZ		 1257 }
1258 else if ((xsrc == 0) && (ysrc == 0) &&
f98bd6d6
RD		 1259 (width == selected.GetWidth()) &&
1260 (height == selected.GetHeight()))
b0e0d661 1261 {
d90c9596
RR		 1262 // we SHOULD use the direct way if all of the bitmap
1263 // in the memory dc is copied in which case XCopyArea
1264 // wouldn't be able able to boost performace by reducing
1265 // the area to be scaled
ab9d0a8c 1266 use_bitmap_method = true;
b0e0d661 1267 }
6e13c196 1268 }
7d5af6fa 1269
265898fd
RR		 1270 CalcBoundingBox( xdest, ydest );
1271 CalcBoundingBox( xdest + width, ydest + height );
7d5af6fa 1272
d90c9596 1273 // scale/translate size and position
3d2d8da1
RR		 1274 wxCoord xx = XLOG2DEV(xdest);
1275 wxCoord yy = YLOG2DEV(ydest);
1276
1277 wxCoord ww = XLOG2DEVREL(width);
1278 wxCoord hh = YLOG2DEVREL(height);
1279
d90c9596 1280 // compare to current clipping region
e1208c31 1281 if (!m_currentClippingRegion.IsNull())
3d2d8da1
RR		 1282 {
1283 wxRegion tmp( xx,yy,ww,hh );
1284 tmp.Intersect( m_currentClippingRegion );
1285 if (tmp.IsEmpty())
ab9d0a8c 1286 return true;
3d2d8da1
RR		 1287 }
1288
4bc67cc5
RR		 1289 int old_logical_func = m_logicalFunction;
1290 SetLogicalFunction( logical_func );
5f170f33 1291
6e13c196 1292 if (use_bitmap_method)
6f65e337 1293 {
d90c9596 1294 // scale/translate bitmap size
f98bd6d6
RD		 1295 wxCoord bm_width = selected.GetWidth();
1296 wxCoord bm_height = selected.GetHeight();
7d5af6fa 1297
551b5391
RR		 1298 // Get clip coords for the bitmap. If we don't
1299 // use wxBitmap::Rescale(), which can clip the
1300 // bitmap, these are the same as the original
1301 // coordinates
1302 wxCoord cx = xx;
1303 wxCoord cy = yy;
1304 wxCoord cw = ww;
1305 wxCoord ch = hh;
ab9d0a8c 1306
d90c9596
RR		 1307 // interpret userscale of src too
1308 double xsc,ysc;
1309 memDC->GetUserScale(&xsc,&ysc);
1310 bm_width = (int) (bm_width / xsc);
1311 bm_height = (int) (bm_height / ysc);
1312
72cdf4c9
VZ		 1313 wxCoord bm_ww = XLOG2DEVREL( bm_width );
1314 wxCoord bm_hh = YLOG2DEVREL( bm_height );
7d5af6fa 1315
551b5391 1316 // Scale bitmap if required
f98bd6d6
RD		 1317 wxBitmap use_bitmap = selected;
1318 if ((selected.GetWidth()!= bm_ww) || ( selected.GetHeight()!= bm_hh))
6e13c196 1319 {
551b5391
RR		 1320 // This indicates that the blitting code below will get
1321 // a clipped bitmap and therefore needs to move the origin
1322 // accordingly
1323 wxRegion tmp( xx,yy,ww,hh );
93da796d
RR		 1324 if (!m_currentClippingRegion.IsNull())
1325 tmp.Intersect( m_currentClippingRegion );
551b5391 1326 tmp.GetBox(cx,cy,cw,ch);
ab9d0a8c 1327
551b5391 1328 // Scale and clipped bitmap
f98bd6d6 1329 use_bitmap = selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
6e13c196 1330 }
7d5af6fa 1331
d90c9596 1332 // apply mask if any
6e13c196 1333 GdkBitmap *mask = (GdkBitmap *) NULL;
280831d5
PC		 1334 if (useMask && use_bitmap.GetMask())
1335 mask = use_bitmap.GetMask()->GetBitmap();
1336
1337 GdkGC* use_gc = is_mono ? m_textGC : m_penGC;
7d5af6fa 1338
d90c9596 1339 GdkBitmap *new_mask = (GdkBitmap*) NULL;
ab9d0a8c 1340
280831d5 1341 if (mask != NULL)
6e13c196 1342 {
e1208c31 1343 if (!m_currentClippingRegion.IsNull())
3d2d8da1
RR		 1344 {
1345 GdkColor col;
c2fa61e8 1346 new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
3d2d8da1
RR		 1347 GdkGC *gc = gdk_gc_new( new_mask );
1348 col.pixel = 0;
1349 gdk_gc_set_foreground( gc, &col );
b7a49654 1350 gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
3d2d8da1
RR		 1351 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
1352 col.pixel = 0;
1353 gdk_gc_set_background( gc, &col );
1354 col.pixel = 1;
1355 gdk_gc_set_foreground( gc, &col );
1356 gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
d90c9596
RR		 1357 // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
1358 gdk_gc_set_clip_origin( gc, -cx, -cy );
3d2d8da1
RR		 1359 gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
1360 gdk_gc_set_stipple( gc, mask );
1361 gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
280831d5 1362 mask = new_mask;
3fe39b0c 1363 g_object_unref (gc);
3d2d8da1 1364 }
d90c9596 1365
280831d5
PC		 1366 gdk_gc_set_clip_mask(use_gc, mask);
1367 if (new_mask != NULL)
1368 gdk_gc_set_clip_origin(use_gc, cx, cy);
82ea63e6 1369 else
280831d5 1370 gdk_gc_set_clip_origin(use_gc, cx - xsrcMask, cy - ysrcMask);
6e13c196 1371 }
7d5af6fa 1372
d90c9596
RR		 1373 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1374 // drawing a mono-bitmap (XBitmap) we use the current text GC
5f170f33 1375
82ea63e6 1376 if (is_mono)
d90c9596 1377 {
d90c9596
RR		 1378 GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 );
1379 GdkGC *gc = gdk_gc_new( bitmap );
1380 gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
1381 gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
b85229d1 1382 gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetPixmap(), 0, 0, 0, 0, -1, -1 );
ab9d0a8c 1383
280831d5 1384 gdk_draw_drawable(m_window, use_gc, bitmap, xsrc, ysrc, cx, cy, cw, ch);
ab9d0a8c 1385
3fe39b0c
MR		 1386 g_object_unref (bitmap);
1387 g_object_unref (gc);
d90c9596 1388 }
82ea63e6 1389 else
d90c9596 1390 {
15f0ad70 1391 // was: gdk_draw_drawable( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
280831d5 1392 gdk_draw_drawable(m_window, use_gc, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch);
d90c9596 1393 }
82ea63e6 1394
d90c9596 1395 // remove mask again if any
280831d5 1396 if (mask != NULL)
6e13c196 1397 {
280831d5
PC		 1398 gdk_gc_set_clip_mask(use_gc, NULL);
1399 gdk_gc_set_clip_origin(use_gc, 0, 0);
1400 if (!m_currentClippingRegion.IsNull())
1401 gdk_gc_set_clip_region(use_gc, m_currentClippingRegion.GetRegion());
265898fd 1402 }
ab9d0a8c 1403
d90c9596 1404 if (new_mask)
3fe39b0c 1405 g_object_unref (new_mask);
6f65e337 1406 }
d90c9596 1407 else // use_bitmap_method
6e13c196 1408 {
f98bd6d6 1409 if (selected.Ok() && ((width != ww) || (height != hh)))
b0e0d661 1410 {
d90c9596
RR		 1411 // get clip coords
1412 wxRegion tmp( xx,yy,ww,hh );
1413 tmp.Intersect( m_currentClippingRegion );
1414 wxCoord cx,cy,cw,ch;
1415 tmp.GetBox(cx,cy,cw,ch);
ab9d0a8c
WS		 1416
1417 // rescale bitmap
f98bd6d6 1418 wxBitmap bitmap = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
7d5af6fa 1419
d90c9596 1420 // draw scaled bitmap
15f0ad70
MR		 1421 // was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
1422 gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
b0e0d661
VZ		 1423 }
1424 else
1425 {
ab9d0a8c 1426 // No scaling and not a memory dc with a mask either
993f97ee 1427
f98bd6d6
RD		 1428 GdkWindow* window = source->GetGDKWindow();
1429 if ( !window )
1430 return false;
1431
d90c9596 1432 // copy including child window contents
a56fcaaf 1433 gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
15f0ad70 1434 gdk_draw_drawable( m_window, m_penGC,
f98bd6d6 1435 window,
15f0ad70
MR		 1436 xsrc, ysrc, xx, yy,
1437 width, height );
a56fcaaf 1438 gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
b0e0d661 1439 }
6e13c196 1440 }
c801d85f 1441
4bc67cc5 1442 SetLogicalFunction( old_logical_func );
ab9d0a8c
WS		 1443
1444 return true;
903f689b 1445}
c801d85f 1446
72cdf4c9 1447void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
c801d85f 1448{
223d09f6 1449 wxCHECK_RET( Ok(), wxT("invalid window dc") );
18a2fa37 1450
6db90681 1451 if (!m_window) return;
ab9d0a8c 1452
2b5f62a0 1453 if (text.empty()) return;
7d5af6fa 1454
265898fd
RR		 1455 x = XLOG2DEV(x);
1456 y = YLOG2DEV(y);
18a2fa37 1457
cfcc3932 1458 wxCHECK_RET( m_context, wxT("no Pango context") );
61850501 1459 wxCHECK_RET( m_layout, wxT("no Pango layout") );
cfcc3932 1460 wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
e4da1035 1461
24bbbfb1
RR		 1462 gdk_pango_context_set_colormap( m_context, m_cmap );
1463
1dbeee57
VS		 1464 bool underlined = m_font.Ok() && m_font.GetUnderlined();
1465
a3669332
VZ		 1466 const wxCharBuffer data = wxGTK_CONV( text );
1467 if ( !data )
7706daf3 1468 return;
67a083dd
RR		 1469 size_t datalen = strlen(data);
1470
1471 // TODO: as soon as Pango provides a function to check at runtime its
1472 // version, we can use it to disable the underline hack for
1473 // Pango >= 1.16 as the "underline of leading/trailing spaces"
1474 // has been fixed there
1475 bool needshack = underlined;
1476 char *hackstring = NULL;
1477
1478 if (needshack)
1479 {
1480 // a PangoLayout which has leading/trailing spaces with underlined font
1481 // is not correctly drawn by this pango version: Pango won't underline the spaces.
1482 // This can be a problem; e.g. wxHTML rendering of underlined text relies on
1483 // this behaviour. To workaround this problem, we use a special hack here
1484 // suggested by pango maintainer Behdad Esfahbod: we prepend and append two
1485 // empty space characters and give them a dummy colour attribute.
1486 // This will force Pango to underline the leading/trailing spaces, too.
1487
1488 // need to realloc the string to prepend & append our special characters
1489 hackstring = (char*)malloc((datalen+7)*sizeof(char));
1490
1491 // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
1492 strcpy(hackstring, "\342\200\214");
1493
1494 // copy the user string
1495 memcpy(&hackstring[3], data, datalen);
1496
1497 // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
1498 strcpy(&hackstring[datalen+3], "\342\200\214");
1499
1500 // the special characters that we added require 6 additional bytes:
1501 datalen += 6;
1502
1503 pango_layout_set_text(m_layout, hackstring, datalen);
1504 }
1505 else
1506 {
1507 pango_layout_set_text(m_layout, data, datalen);
1508 }
ab9d0a8c 1509
1dbeee57
VS		 1510 if (underlined)
1511 {
1512 PangoAttrList *attrs = pango_attr_list_new();
1513 PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1514 a->start_index = 0;
1515 a->end_index = datalen;
1516 pango_attr_list_insert(attrs, a);
67a083dd
RR		 1517
1518 if (needshack)
1519 {
1520 // dummy colour for the leading space
1521 a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
1522 a->start_index = 0;
1523 a->end_index = 1;
1524 pango_attr_list_insert(attrs, a);
1525
1526 // dummy colour for the trailing space
1527 a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614);
1528 a->start_index = datalen - 1;
1529 a->end_index = datalen;
1530 pango_attr_list_insert(attrs, a);
1531 }
1532
1dbeee57
VS		 1533 pango_layout_set_attributes(m_layout, attrs);
1534 pango_attr_list_unref(attrs);
1535 }
e4da1035 1536
76b20467 1537 int w,h;
fa499247
RR		 1538
1539 if (fabs(m_scaleY - 1.0) > 0.00001)
e4da1035
RR		 1540 {
1541 // If there is a user or actually any scale applied to
1542 // the device context, scale the font.
ab9d0a8c 1543
e4da1035
RR		 1544 // scale font description
1545 gint oldSize = pango_font_description_get_size( m_fontdesc );
1546 double size = oldSize;
1547 size = size * m_scaleY;
1548 pango_font_description_set_size( m_fontdesc, (gint)size );
ab9d0a8c 1549
e4da1035
RR		 1550 // actually apply scaled font
1551 pango_layout_set_font_description( m_layout, m_fontdesc );
ab9d0a8c 1552
76b20467
VS		 1553 pango_layout_get_pixel_size( m_layout, &w, &h );
1554 if ( m_backgroundMode == wxSOLID )
1555 {
1556 gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1557 gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1558 gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1559 }
ab9d0a8c 1560
e4da1035 1561 // Draw layout.
847dfdb4
RR		 1562 if (m_owner && m_owner->GetLayoutDirection() == wxLayout_RightToLeft)
1563 gdk_draw_layout( m_window, m_textGC, x-w, y, m_layout );
1564 else
1565 gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
ab9d0a8c 1566
e4da1035
RR		 1567 // reset unscaled size
1568 pango_font_description_set_size( m_fontdesc, oldSize );
ab9d0a8c 1569
61850501 1570 // actually apply unscaled font
e4da1035
RR		 1571 pango_layout_set_font_description( m_layout, m_fontdesc );
1572 }
1573 else
1574 {
76b20467
VS		 1575 pango_layout_get_pixel_size( m_layout, &w, &h );
1576 if ( m_backgroundMode == wxSOLID )
1577 {
1578 gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
1579 gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
1580 gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
1581 }
847dfdb4 1582
76b20467 1583 // Draw layout.
847dfdb4
RR		 1584 if (m_owner && m_owner->GetLayoutDirection() == wxLayout_RightToLeft)
1585 gdk_draw_layout( m_window, m_textGC, x-w, y, m_layout );
1586 else
1587 gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
8943b403 1588 }
1dbeee57
VS		 1589
1590 if (underlined)
1591 {
1592 // undo underline attributes setting:
1593 pango_layout_set_attributes(m_layout, NULL);
1594 }
ab9d0a8c 1595
2b5f62a0
VZ		 1596 wxCoord width = w;
1597 wxCoord height = h;
ab9d0a8c 1598
8943b403
OK		 1599 width = wxCoord(width / m_scaleX);
1600 height = wxCoord(height / m_scaleY);
1601 CalcBoundingBox (x + width, y + height);
265898fd 1602 CalcBoundingBox (x, y);
67a083dd
RR		 1603
1604 if (hackstring)
1605 free(hackstring);
903f689b 1606}
c801d85f 1607
bf47e398
RD		 1608
1609// TODO: There is an example of rotating text with GTK2 that would probably be
1610// a better approach here:
1611// http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
1612
95724b1a
VZ		 1613void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
1614{
1c2d839f
PC		 1615 if (!m_window || text.empty())
1616 return;
1617
1618 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1619
c77a6796 1620 if ( wxIsNullDouble(angle) )
95724b1a
VZ		 1621 {
1622 DrawText(text, x, y);
1623 return;
1624 }
1625
bf47e398
RD		 1626 wxCoord w;
1627 wxCoord h;
1628
68567a96 1629 // TODO: implement later without GdkFont for GTK 2.0
bf47e398 1630 GetTextExtent(text, &w, &h, NULL,NULL, &m_font);
ab9d0a8c 1631
9a8c7620
VZ		 1632 // draw the string normally
1633 wxBitmap src(w, h);
95724b1a
VZ		 1634 wxMemoryDC dc;
1635 dc.SelectObject(src);
1636 dc.SetFont(GetFont());
f1c72f0c 1637 dc.SetBackground(*wxBLACK_BRUSH);
95724b1a
VZ		 1638 dc.SetBrush(*wxBLACK_BRUSH);
1639 dc.Clear();
f1c72f0c 1640 dc.SetTextForeground( *wxWHITE );
95724b1a 1641 dc.DrawText(text, 0, 0);
9a8c7620 1642 dc.SelectObject(wxNullBitmap);
95724b1a
VZ		 1643
1644 // Calculate the size of the rotated bounding box.
9a8c7620
VZ		 1645 double rad = DegToRad(angle);
1646 double dx = cos(rad),
1647 dy = sin(rad);
1648
1649 // the rectngle vertices are counted clockwise with the first one being at
1650 // (0, 0) (or, rather, at (x, y))
1651 double x2 = w*dx,
1652 y2 = -w*dy; // y axis points to the bottom, hence minus
1653 double x4 = h*dy,
1654 y4 = h*dx;
1655 double x3 = x4 + x2,
1656 y3 = y4 + y2;
ab9d0a8c 1657
72174350 1658 // calc max and min
9a8c7620
VZ		 1659 wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5),
1660 maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5),
1661 minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5),
1662 minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
1663
72174350 1664
f1c72f0c 1665 wxImage image = src.ConvertToImage();
9a8c7620 1666
f1c72f0c
RR		 1667 image.ConvertColourToAlpha( m_textForegroundColour.Red(),
1668 m_textForegroundColour.Green(),
1669 m_textForegroundColour.Blue() );
1670 image = image.Rotate( rad, wxPoint(0,0) );
ab9d0a8c 1671
1d65e535
RR		 1672 int i_angle = (int) angle;
1673 i_angle = i_angle % 360;
c2cb80c8
KH		 1674 if (i_angle < 0)
1675 i_angle += 360;
1d65e535
RR		 1676 int xoffset = 0;
1677 if ((i_angle >= 90.0) && (i_angle < 270.0))
1678 xoffset = image.GetWidth();
1679 int yoffset = 0;
1680 if ((i_angle >= 0.0) && (i_angle < 180.0))
1681 yoffset = image.GetHeight();
ab9d0a8c 1682
1d65e535
RR		 1683 if ((i_angle >= 0) && (i_angle < 90))
1684 yoffset -= (int)( cos(rad)*h );
1685 if ((i_angle >= 90) && (i_angle < 180))
ab9d0a8c 1686 xoffset -= (int)( sin(rad)*h );
1d65e535
RR		 1687 if ((i_angle >= 180) && (i_angle < 270))
1688 yoffset -= (int)( cos(rad)*h );
1689 if ((i_angle >= 270) && (i_angle < 360))
1690 xoffset -= (int)( sin(rad)*h );
ab9d0a8c 1691
1d65e535
RR		 1692 int i_x = x - xoffset;
1693 int i_y = y - yoffset;
ab9d0a8c 1694
f1c72f0c 1695 src = image;
1d65e535 1696 DoDrawBitmap( src, i_x, i_y, true );
9a8c7620 1697
95724b1a 1698
9a8c7620
VZ		 1699 // it would be better to draw with non underlined font and draw the line
1700 // manually here (it would be more straight...)
1701#if 0
1702 if ( m_font.GetUnderlined() )
1703 {
1704 gdk_draw_line( m_window, m_textGC,
1705 XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent),
1706 XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
1707 }
1708#endif // 0
1709
9a8c7620
VZ		 1710 // update the bounding box
1711 CalcBoundingBox(x + minX, y + minY);
1712 CalcBoundingBox(x + maxX, y + maxY);
95724b1a
VZ		 1713}
1714
72cdf4c9
VZ		 1715void wxWindowDC::DoGetTextExtent(const wxString &string,
1716 wxCoord *width, wxCoord *height,
1717 wxCoord *descent, wxCoord *externalLeading,
1718 wxFont *theFont) const
c801d85f 1719{
b1f0abe4
VZ		 1720 if ( width )
1721 *width = 0;
1722 if ( height )
1723 *height = 0;
1724 if ( descent )
1725 *descent = 0;
1726 if ( externalLeading )
1727 *externalLeading = 0;
1728
ab9d0a8c 1729 if (string.empty())
48d011c8 1730 return;
ab9d0a8c 1731
bf5752a4
VZ		 1732 // ensure that theFont is always non-NULL
1733 if ( !theFont || !theFont->Ok() )
1734 theFont = wx_const_cast(wxFont *, &m_font);
1735
1736 // and use it if it's valid
1737 if ( theFont->Ok() )
1738 {
1739 pango_layout_set_font_description
1740 (
1741 m_layout,
1742 theFont->GetNativeFontInfo()->description
1743 );
1744 }
ab9d0a8c 1745
2b5f62a0 1746 // Set layout's text
bf5752a4 1747 const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(string, *theFont);
a1e101d0
VZ		 1748 if ( !dataUTF8 )
1749 {
1750 // hardly ideal, but what else can we do if conversion failed?
1751 return;
1752 }
1753
1754 pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
ab9d0a8c 1755
48d011c8
RR		 1756 if (descent)
1757 {
ace35c62
RR		 1758 int h;
1759 pango_layout_get_pixel_size( m_layout, width, &h );
f69e2009
VS		 1760 PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1761 int baseline = pango_layout_iter_get_baseline(iter);
1762 pango_layout_iter_free(iter);
1763 *descent = h - PANGO_PIXELS(baseline);
ace35c62
RR		 1764
1765 if (height)
1766 *height = (wxCoord) h;
1767 }
1768 else
1769 {
1770 pango_layout_get_pixel_size( m_layout, width, height );
48d011c8 1771 }
ab9d0a8c 1772
cfcc3932
RR		 1773 // Reset old font description
1774 if (theFont)
1775 pango_layout_set_font_description( m_layout, m_fontdesc );
903f689b 1776}
c801d85f 1777
1f91072f
VZ		 1778
1779bool wxWindowDC::DoGetPartialTextExtents(const wxString& text,
1780 wxArrayInt& widths) const
1781{
1782 const size_t len = text.length();
1783 widths.Empty();
1784 widths.Add(0, len);
1785
1786 if (text.empty())
1787 return true;
1788
1789 // Set layout's text
1790 const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font);
1791 if ( !dataUTF8 )
1792 {
1793 // hardly ideal, but what else can we do if conversion failed?
1794 wxLogLastError(wxT("DoGetPartialTextExtents"));
1795 return false;
1796 }
1797
1798 pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
1799
1800 // Calculate the position of each character based on the widths of
1801 // the previous characters
1802
1803 // Code borrowed from Scintilla's PlatGTK
1804 PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
1805 PangoRectangle pos;
1806 pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
1807 size_t i = 0;
1808 while (pango_layout_iter_next_cluster(iter))
1809 {
1810 pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
1811 int position = PANGO_PIXELS(pos.x);
1f91072f
VZ		 1812 widths[i++] = position;
1813 }
1814 while (i < len)
1815 widths[i++] = PANGO_PIXELS(pos.x + pos.width);
1816 pango_layout_iter_free(iter);
1817
1818 return true;
1819}
1820
1821
72cdf4c9 1822wxCoord wxWindowDC::GetCharWidth() const
c801d85f 1823{
cfcc3932 1824 pango_layout_set_text( m_layout, "H", 1 );
ace35c62
RR		 1825 int w;
1826 pango_layout_get_pixel_size( m_layout, &w, NULL );
2b5f62a0 1827 return w;
903f689b 1828}
c801d85f 1829
72cdf4c9 1830wxCoord wxWindowDC::GetCharHeight() const
c801d85f 1831{
a8c5e1a9 1832 PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
370b406c 1833 return PANGO_PIXELS (pango_font_metrics_get_descent (metrics) + pango_font_metrics_get_ascent (metrics));
903f689b 1834}
c801d85f 1835
4bc67cc5 1836void wxWindowDC::Clear()
c801d85f 1837{
223d09f6 1838 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 1839
6db90681 1840 if (!m_window) return;
7d5af6fa 1841
f60e7fdd
VZ		 1842 // VZ: the code below results in infinite recursion and crashes when
1843 // dc.Clear() is done from OnPaint() so I disable it for now.
1844 // I don't know what the correct fix is but Clear() surely should not
1845 // reenter OnPaint()!
1846#if 0
f234c60c
RR		 1847 /* - we either are a memory dc or have a window as the
1848 owner. anything else shouldn't happen.
1849 - we don't use gdk_window_clear() as we don't set
1850 the window's background colour anymore. it is too
1851 much pain to keep the DC's and the window's back-
1852 ground colour in synch. */
7d5af6fa 1853
f234c60c 1854 if (m_owner)
265898fd 1855 {
f90566f5 1856 m_owner->Clear();
b0e0d661 1857 return;
265898fd 1858 }
f234c60c
RR		 1859
1860 if (m_isMemDC)
265898fd
RR		 1861 {
1862 int width,height;
1863 GetSize( &width, &height );
1864 gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
b0e0d661 1865 return;
265898fd 1866 }
f60e7fdd
VZ		 1867#else // 1
1868 int width,height;
1869 GetSize( &width, &height );
1870 gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
1871#endif // 0/1
903f689b 1872}
c801d85f 1873
ec758a20 1874void wxWindowDC::SetFont( const wxFont &font )
c801d85f 1875{
265898fd 1876 m_font = font;
ab9d0a8c 1877
77416abd 1878 if (m_font.Ok())
2b5f62a0 1879 {
cfcc3932
RR		 1880 if (m_fontdesc)
1881 pango_font_description_free( m_fontdesc );
ab9d0a8c 1882
cfcc3932 1883 m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
ab9d0a8c
WS		 1884
1885
77416abd
JS		 1886 if (m_owner)
1887 {
cfcc3932 1888 PangoContext *oldContext = m_context;
ab9d0a8c 1889
f26623c8 1890 m_context = m_owner->GtkGetPangoDefaultContext();
ab9d0a8c 1891
cfcc3932
RR		 1892 // If we switch back/forth between different contexts
1893 // we also have to create a new layout. I think so,
ab9d0a8c 1894 // at least, and it doesn't hurt to do it.
cfcc3932
RR		 1895 if (oldContext != m_context)
1896 {
1897 if (m_layout)
3fe39b0c 1898 g_object_unref (m_layout);
ab9d0a8c 1899
cfcc3932
RR		 1900 m_layout = pango_layout_new( m_context );
1901 }
77416abd 1902 }
ab9d0a8c 1903
cfcc3932 1904 pango_layout_set_font_description( m_layout, m_fontdesc );
2b5f62a0 1905 }
903f689b 1906}
c801d85f 1907
ec758a20 1908void wxWindowDC::SetPen( const wxPen &pen )
c801d85f 1909{
223d09f6 1910 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 1911
265898fd 1912 if (m_pen == pen) return;
7d5af6fa 1913
265898fd 1914 m_pen = pen;
7d5af6fa 1915
265898fd 1916 if (!m_pen.Ok()) return;
7d5af6fa 1917
6db90681 1918 if (!m_window) return;
7d5af6fa 1919
265898fd 1920 gint width = m_pen.GetWidth();
265898fd
RR		 1921 if (width <= 0)
1922 {
112c5086 1923 // CMB: if width is non-zero scale it with the dc
265898fd
RR		 1924 width = 1;
1925 }
1926 else
1927 {
1928 // X doesn't allow different width in x and y and so we take
1929 // the average
503f414e
VZ		 1930 double w = 0.5 +
1931 ( fabs((double) XLOG2DEVREL(width)) +
1932 fabs((double) YLOG2DEVREL(width)) ) / 2.0;
265898fd 1933 width = (int)w;
375fc5a9
VZ		 1934 if ( !width )
1935 {
1936 // width can't be 0 or an internal GTK error occurs inside
1937 // gdk_gc_set_dashes() below
1938 width = 1;
1939 }
265898fd 1940 }
7d5af6fa 1941
2eca425d
RL		 1942 static const wxGTKDash dotted[] = {1, 1};
1943 static const wxGTKDash short_dashed[] = {2, 2};
1944 static const wxGTKDash wxCoord_dashed[] = {2, 4};
1945 static const wxGTKDash dotted_dashed[] = {3, 3, 1, 3};
7d5af6fa 1946
112c5086
RR		 1947 // We express dash pattern in pen width unit, so we are
1948 // independent of zoom factor and so on...
1949 int req_nb_dash;
2eca425d 1950 const wxGTKDash *req_dash;
7d5af6fa 1951
265898fd
RR		 1952 GdkLineStyle lineStyle = GDK_LINE_SOLID;
1953 switch (m_pen.GetStyle())
1954 {
112c5086 1955 case wxUSER_DASH:
7d5af6fa
VZ		 1956 {
1957 lineStyle = GDK_LINE_ON_OFF_DASH;
112c5086 1958 req_nb_dash = m_pen.GetDashCount();
2eca425d 1959 req_dash = (wxGTKDash*)m_pen.GetDash();
112c5086 1960 break;
7d5af6fa
VZ		 1961 }
1962 case wxDOT:
1963 {
1964 lineStyle = GDK_LINE_ON_OFF_DASH;
112c5086
RR		 1965 req_nb_dash = 2;
1966 req_dash = dotted;
7d5af6fa
VZ		 1967 break;
1968 }
1969 case wxLONG_DASH:
1970 {
1971 lineStyle = GDK_LINE_ON_OFF_DASH;
112c5086 1972 req_nb_dash = 2;
72cdf4c9 1973 req_dash = wxCoord_dashed;
7d5af6fa
VZ		 1974 break;
1975 }
1976 case wxSHORT_DASH:
1977 {
1978 lineStyle = GDK_LINE_ON_OFF_DASH;
112c5086
RR		 1979 req_nb_dash = 2;
1980 req_dash = short_dashed;
7d5af6fa
VZ		 1981 break;
1982 }
1983 case wxDOT_DASH:
1984 {
1985// lineStyle = GDK_LINE_DOUBLE_DASH;
1986 lineStyle = GDK_LINE_ON_OFF_DASH;
112c5086
RR		 1987 req_nb_dash = 4;
1988 req_dash = dotted_dashed;
7d5af6fa
VZ		 1989 break;
1990 }
1991
1992 case wxTRANSPARENT:
72174350 1993 case wxSTIPPLE_MASK_OPAQUE:
7d5af6fa
VZ		 1994 case wxSTIPPLE:
1995 case wxSOLID:
1996 default:
1997 {
1998 lineStyle = GDK_LINE_SOLID;
2eca425d 1999 req_dash = (wxGTKDash*)NULL;
112c5086 2000 req_nb_dash = 0;
7d5af6fa
VZ		 2001 break;
2002 }
265898fd 2003 }
7d5af6fa 2004
112c5086
RR		 2005 if (req_dash && req_nb_dash)
2006 {
2eca425d 2007 wxGTKDash *real_req_dash = new wxGTKDash[req_nb_dash];
112c5086
RR		 2008 if (real_req_dash)
2009 {
2010 for (int i = 0; i < req_nb_dash; i++)
2011 real_req_dash[i] = req_dash[i] * width;
2eca425d 2012 gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
112c5086
RR		 2013 delete[] real_req_dash;
2014 }
2015 else
2016 {
2017 // No Memory. We use non-scaled dash pattern...
2eca425d 2018 gdk_gc_set_dashes( m_penGC, 0, (wxGTKDash*)req_dash, req_nb_dash );
112c5086
RR		 2019 }
2020 }
7d5af6fa 2021
265898fd
RR		 2022 GdkCapStyle capStyle = GDK_CAP_ROUND;
2023 switch (m_pen.GetCap())
2024 {
265898fd
RR		 2025 case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
2026 case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; }
d4aa3a4b
RR		 2027 case wxCAP_ROUND:
2028 default:
72174350 2029 {
d4aa3a4b
RR		 2030 if (width <= 1)
2031 {
2032 width = 0;
2033 capStyle = GDK_CAP_NOT_LAST;
2034 }
2035 else
2036 {
2037 capStyle = GDK_CAP_ROUND;
2038 }
72174350 2039 break;
d4aa3a4b 2040 }
265898fd 2041 }
7d5af6fa 2042
265898fd
RR		 2043 GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
2044 switch (m_pen.GetJoin())
2045 {
2046 case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }
265898fd 2047 case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; }
d4aa3a4b
RR		 2048 case wxJOIN_ROUND:
2049 default: { joinStyle = GDK_JOIN_ROUND; break; }
265898fd 2050 }
7d5af6fa 2051
265898fd 2052 gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
7d5af6fa 2053
265898fd
RR		 2054 m_pen.GetColour().CalcPixel( m_cmap );
2055 gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
903f689b 2056}
c801d85f 2057
ec758a20 2058void wxWindowDC::SetBrush( const wxBrush &brush )
c801d85f 2059{
223d09f6 2060 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2061
265898fd 2062 if (m_brush == brush) return;
7d5af6fa 2063
265898fd 2064 m_brush = brush;
7d5af6fa 2065
265898fd 2066 if (!m_brush.Ok()) return;
7d5af6fa 2067
6db90681 2068 if (!m_window) return;
7d5af6fa 2069
265898fd
RR		 2070 m_brush.GetColour().CalcPixel( m_cmap );
2071 gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
7d5af6fa 2072
956dbab1 2073 gdk_gc_set_fill( m_brushGC, GDK_SOLID );
7d5af6fa 2074
4fcd73bd 2075 if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
265898fd 2076 {
b85229d1 2077 if (m_brush.GetStipple()->GetDepth() != 1)
7d5af6fa 2078 {
956dbab1 2079 gdk_gc_set_fill( m_brushGC, GDK_TILED );
cd25b18c 2080 gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() );
7d5af6fa 2081 }
b0e0d661 2082 else
7d5af6fa 2083 {
956dbab1 2084 gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
b85229d1 2085 gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
7d5af6fa 2086 }
265898fd 2087 }
7d5af6fa 2088
de2d2cdc
VZ		 2089 if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
2090 {
e1208c31
RR		 2091 gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
2092 gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );
de2d2cdc
VZ		 2093 }
2094
ab9d0a8c 2095 if (m_brush.IsHatch())
265898fd 2096 {
956dbab1 2097 gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
265898fd
RR		 2098 int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
2099 gdk_gc_set_stipple( m_brushGC, hatches[num] );
2100 }
903f689b 2101}
c801d85f 2102
ec758a20 2103void wxWindowDC::SetBackground( const wxBrush &brush )
46dc76ba 2104{
bbbbe360
RR		 2105 /* CMB 21/7/98: Added SetBackground. Sets background brush
2106 * for Clear() and bg colour for shapes filled with cross-hatch brush */
7d5af6fa 2107
223d09f6 2108 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2109
265898fd 2110 if (m_backgroundBrush == brush) return;
7d5af6fa 2111
265898fd 2112 m_backgroundBrush = brush;
7d5af6fa 2113
265898fd 2114 if (!m_backgroundBrush.Ok()) return;
7d5af6fa 2115
6db90681 2116 if (!m_window) return;
7d5af6fa 2117
265898fd
RR		 2118 m_backgroundBrush.GetColour().CalcPixel( m_cmap );
2119 gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
a802c3a1 2120 gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
031b2a7b 2121 gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
265898fd 2122 gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
3417c2cd
RR		 2123
2124 gdk_gc_set_fill( m_bgGC, GDK_SOLID );
7d5af6fa 2125
cd25b18c 2126 if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
265898fd 2127 {
b85229d1 2128 if (m_backgroundBrush.GetStipple()->GetDepth() != 1)
7d5af6fa 2129 {
3417c2cd 2130 gdk_gc_set_fill( m_bgGC, GDK_TILED );
fd128b0c 2131 gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
7d5af6fa 2132 }
cd25b18c 2133 else
7d5af6fa 2134 {
3417c2cd 2135 gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
b85229d1 2136 gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
7d5af6fa 2137 }
265898fd 2138 }
7d5af6fa 2139
ab9d0a8c 2140 if (m_backgroundBrush.IsHatch())
265898fd 2141 {
3417c2cd 2142 gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
265898fd
RR		 2143 int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
2144 gdk_gc_set_stipple( m_bgGC, hatches[num] );
bbbbe360 2145 }
903f689b 2146}
46dc76ba 2147
ec758a20 2148void wxWindowDC::SetLogicalFunction( int function )
c801d85f 2149{
223d09f6 2150 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2151
72174350
VZ		 2152 if (m_logicalFunction == function)
2153 return;
2154
2155 // VZ: shouldn't this be a CHECK?
2156 if (!m_window)
2157 return;
01eaf507 2158
2b5f62a0 2159 GdkFunction mode;
265898fd
RR		 2160 switch (function)
2161 {
3c679789
RR		 2162 case wxXOR: mode = GDK_XOR; break;
2163 case wxINVERT: mode = GDK_INVERT; break;
3c679789
RR		 2164 case wxOR_REVERSE: mode = GDK_OR_REVERSE; break;
2165 case wxAND_REVERSE: mode = GDK_AND_REVERSE; break;
2166 case wxCLEAR: mode = GDK_CLEAR; break;
2167 case wxSET: mode = GDK_SET; break;
2168 case wxOR_INVERT: mode = GDK_OR_INVERT; break;
2169 case wxAND: mode = GDK_AND; break;
2170 case wxOR: mode = GDK_OR; break;
2171 case wxEQUIV: mode = GDK_EQUIV; break;
2172 case wxNAND: mode = GDK_NAND; break;
2173 case wxAND_INVERT: mode = GDK_AND_INVERT; break;
7d5af6fa
VZ		 2174 case wxCOPY: mode = GDK_COPY; break;
2175 case wxNO_OP: mode = GDK_NOOP; break;
2176 case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
72174350 2177
2d52841d
RR		 2178 // unsupported by GTK
2179 case wxNOR: mode = GDK_COPY; break;
01eaf507 2180 default:
223d09f6 2181 wxFAIL_MSG( wxT("unsupported logical function") );
2b5f62a0 2182 mode = GDK_COPY;
265898fd 2183 }
7d5af6fa 2184
265898fd 2185 m_logicalFunction = function;
7d5af6fa 2186
265898fd
RR		 2187 gdk_gc_set_function( m_penGC, mode );
2188 gdk_gc_set_function( m_brushGC, mode );
72174350
VZ		 2189
2190 // to stay compatible with wxMSW, we don't apply ROPs to the text
3d2d8da1
RR		 2191 // operations (i.e. DrawText/DrawRotatedText).
2192 // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
2193 gdk_gc_set_function( m_textGC, mode );
903f689b 2194}
c801d85f 2195
ec758a20 2196void wxWindowDC::SetTextForeground( const wxColour &col )
c801d85f 2197{
223d09f6 2198 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2199
71ec83d2
VZ		 2200 // don't set m_textForegroundColour to an invalid colour as we'd crash
2201 // later then (we use m_textForegroundColour.GetColor() without checking
2202 // in a few places)
2203 if ( !col.Ok() || (m_textForegroundColour == col) )
2204 return;
7d5af6fa 2205
265898fd 2206 m_textForegroundColour = col;
7d5af6fa 2207
71ec83d2
VZ		 2208 if ( m_window )
2209 {
2210 m_textForegroundColour.CalcPixel( m_cmap );
2211 gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
2212 }
903f689b 2213}
c801d85f 2214
ec758a20 2215void wxWindowDC::SetTextBackground( const wxColour &col )
c801d85f 2216{
223d09f6 2217 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2218
71ec83d2
VZ		 2219 // same as above
2220 if ( !col.Ok() || (m_textBackgroundColour == col) )
2221 return;
7d5af6fa 2222
265898fd 2223 m_textBackgroundColour = col;
7d5af6fa 2224
71ec83d2
VZ		 2225 if ( m_window )
2226 {
2227 m_textBackgroundColour.CalcPixel( m_cmap );
2228 gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
2229 }
903f689b 2230}
c801d85f 2231
ec758a20 2232void wxWindowDC::SetBackgroundMode( int mode )
c801d85f 2233{
223d09f6 2234 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2235
265898fd 2236 m_backgroundMode = mode;
46dc76ba 2237
6db90681 2238 if (!m_window) return;
7d5af6fa 2239
265898fd
RR		 2240 // CMB 21/7/98: fill style of cross-hatch brushes is affected by
2241 // transparent/solid background mode
7d5af6fa 2242
265898fd
RR		 2243 if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
2244 {
2245 gdk_gc_set_fill( m_brushGC,
2246 (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
2247 }
903f689b 2248}
c801d85f 2249
ec758a20 2250void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
c801d85f 2251{
223d09f6 2252 wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
903f689b 2253}
c801d85f 2254
72cdf4c9 2255void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f 2256{
223d09f6 2257 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2258
6db90681 2259 if (!m_window) return;
7d5af6fa 2260
3d2d8da1 2261 wxRect rect;
265898fd
RR		 2262 rect.x = XLOG2DEV(x);
2263 rect.y = YLOG2DEV(y);
2264 rect.width = XLOG2DEVREL(width);
2265 rect.height = YLOG2DEVREL(height);
5f170f33 2266
49e74855
RR		 2267 if (m_owner && m_owner->m_wxwindow && (m_owner->GetLayoutDirection() == wxLayout_RightToLeft))
2268 {
2269 rect.x -= rect.width;
2270 }
2271
e1208c31 2272 if (!m_currentClippingRegion.IsNull())
993f97ee
RR		 2273 m_currentClippingRegion.Intersect( rect );
2274 else
2275 m_currentClippingRegion.Union( rect );
5f170f33
VZ		 2276
2277#if USE_PAINT_REGION
e1208c31 2278 if (!m_paintClippingRegion.IsNull())
3d2d8da1 2279 m_currentClippingRegion.Intersect( m_paintClippingRegion );
809934d2 2280#endif
3d2d8da1 2281
ee8dbe63
RL		 2282 wxCoord xx, yy, ww, hh;
2283 m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2284 wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2285
3d2d8da1
RR		 2286 gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
2287 gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
2288 gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
2289 gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
903f689b 2290}
c801d85f 2291
b0e0d661 2292void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion &region )
463c1fa1 2293{
223d09f6 2294 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2295
463c1fa1
RR		 2296 if (region.Empty())
2297 {
2298 DestroyClippingRegion();
2299 return;
2300 }
7d5af6fa 2301
6db90681 2302 if (!m_window) return;
5f170f33 2303
e1208c31 2304 if (!m_currentClippingRegion.IsNull())
993f97ee
RR		 2305 m_currentClippingRegion.Intersect( region );
2306 else
2307 m_currentClippingRegion.Union( region );
5f170f33
VZ		 2308
2309#if USE_PAINT_REGION
e1208c31 2310 if (!m_paintClippingRegion.IsNull())
3d2d8da1 2311 m_currentClippingRegion.Intersect( m_paintClippingRegion );
809934d2 2312#endif
3d2d8da1 2313
ee8dbe63
RL		 2314 wxCoord xx, yy, ww, hh;
2315 m_currentClippingRegion.GetBox( xx, yy, ww, hh );
2316 wxDC::DoSetClippingRegion( xx, yy, ww, hh );
2317
3d2d8da1
RR		 2318 gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
2319 gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
2320 gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
2321 gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
463c1fa1
RR		 2322}
2323
4bc67cc5 2324void wxWindowDC::DestroyClippingRegion()
c801d85f 2325{
223d09f6 2326 wxCHECK_RET( Ok(), wxT("invalid window dc") );
7d5af6fa 2327
265898fd 2328 wxDC::DestroyClippingRegion();
7d5af6fa 2329
3d2d8da1 2330 m_currentClippingRegion.Clear();
5f170f33
VZ		 2331
2332#if USE_PAINT_REGION
3d2d8da1
RR		 2333 if (!m_paintClippingRegion.IsEmpty())
2334 m_currentClippingRegion.Union( m_paintClippingRegion );
993f97ee 2335#endif
3d2d8da1 2336
6db90681 2337 if (!m_window) return;
7d5af6fa 2338
3d2d8da1
RR		 2339 if (m_currentClippingRegion.IsEmpty())
2340 {
2341 gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
2342 gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
2343 gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
2344 gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
2345 }
2346 else
2347 {
2348 gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
2349 gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
2350 gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
2351 gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
2352 }
903f689b 2353}
c801d85f 2354
4bc67cc5 2355void wxWindowDC::Destroy()
dbf858b5 2356{
3d2d8da1 2357 if (m_penGC) wxFreePoolGC( m_penGC );
265898fd 2358 m_penGC = (GdkGC*) NULL;
3d2d8da1 2359 if (m_brushGC) wxFreePoolGC( m_brushGC );
265898fd 2360 m_brushGC = (GdkGC*) NULL;
3d2d8da1 2361 if (m_textGC) wxFreePoolGC( m_textGC );
265898fd 2362 m_textGC = (GdkGC*) NULL;
3d2d8da1 2363 if (m_bgGC) wxFreePoolGC( m_bgGC );
265898fd 2364 m_bgGC = (GdkGC*) NULL;
dbf858b5
RR		 2365}
2366
847dfdb4
RR		 2367void wxWindowDC::SetDeviceOrigin( wxCoord x, wxCoord y )
2368{
2369 m_deviceOriginX = x;
2370 m_deviceOriginY = y;
2371
2372 ComputeScaleAndOrigin();
2373}
2374
2375void wxWindowDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
2376{
2377 m_signX = (xLeftRight ? 1 : -1);
2378 m_signY = (yBottomUp ? -1 : 1);
2379
2380 if (m_owner && m_owner->m_wxwindow && (m_owner->GetLayoutDirection() == wxLayout_RightToLeft))
2381 m_signX = -m_signX;
2382
2383 ComputeScaleAndOrigin();
2384}
2385
238d735d
RR		 2386void wxWindowDC::ComputeScaleAndOrigin()
2387{
c77a6796 2388 const wxRealPoint origScale(m_scaleX, m_scaleY);
238d735d
RR		 2389
2390 wxDC::ComputeScaleAndOrigin();
2391
c77a6796
VZ		 2392 // if scale has changed call SetPen to recalulate the line width
2393 if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.Ok() )
238d735d 2394 {
c77a6796
VZ		 2395 // this is a bit artificial, but we need to force wxDC to think the pen
2396 // has changed
0a164d4c
WS		 2397 wxPen pen = m_pen;
2398 m_pen = wxNullPen;
2399 SetPen( pen );
2400 }
238d735d
RR		 2401}
2402
b0e0d661
VZ		 2403// Resolution in pixels per logical inch
2404wxSize wxWindowDC::GetPPI() const
2405{
7a5e6267 2406 return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));
b0e0d661
VZ		 2407}
2408
2409int wxWindowDC::GetDepth() const
c801d85f 2410{
ace35c62 2411 return gdk_drawable_get_depth(m_window);
903f689b 2412}
c801d85f 2413
ec758a20
RR		 2414
2415//-----------------------------------------------------------------------------
2416// wxPaintDC
2417//-----------------------------------------------------------------------------
2418
f469b27c 2419IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
ec758a20 2420
2cfddfe7
JS		 2421// Limit the paint region to the window size. Sometimes
2422// the paint region is too big, and this risks X11 errors
2423static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz)
2424{
2425 wxRect originalRect = region.GetBox();
2426 wxRect rect(originalRect);
2427 if (rect.width + rect.x > sz.x)
2428 rect.width = sz.x - rect.x;
2429 if (rect.height + rect.y > sz.y)
2430 rect.height = sz.y - rect.y;
2431 if (rect != originalRect)
2432 {
2433 region = wxRegion(rect);
2434 wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
2435 originalRect.x, originalRect.y, originalRect.width, originalRect.height,
2436 rect.x, rect.y, rect.width, rect.height);
2437 }
2438}
2439
ec758a20 2440wxPaintDC::wxPaintDC( wxWindow *win )
f469b27c 2441 : wxClientDC( win )
ec758a20 2442{
b6fa52db
RR		 2443#if USE_PAINT_REGION
2444 if (!win->m_clipPaintRegion)
2445 return;
f469b27c 2446
2cfddfe7 2447 wxSize sz = win->GetSize();
bcb614b3 2448 m_paintClippingRegion = win->m_nativeUpdateRegion;
2cfddfe7 2449 wxLimitRegionToSize(m_paintClippingRegion, sz);
ab9d0a8c 2450
5f170f33
VZ		 2451 GdkRegion *region = m_paintClippingRegion.GetRegion();
2452 if ( region )
2453 {
823faac3 2454 m_currentClippingRegion.Union( m_paintClippingRegion );
2cfddfe7
JS		 2455 wxLimitRegionToSize(m_currentClippingRegion, sz);
2456
2457 if (sz.x <= 0 || sz.y <= 0)
2458 return ;
5f170f33 2459
823faac3
JS		 2460 gdk_gc_set_clip_region( m_penGC, region );
2461 gdk_gc_set_clip_region( m_brushGC, region );
2462 gdk_gc_set_clip_region( m_textGC, region );
2463 gdk_gc_set_clip_region( m_bgGC, region );
5f170f33 2464 }
1e6feb95 2465#endif // USE_PAINT_REGION
ec758a20
RR		 2466}
2467
2468//-----------------------------------------------------------------------------
2469// wxClientDC
2470//-----------------------------------------------------------------------------
2471
f469b27c 2472IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
ec758a20 2473
f469b27c
VZ		 2474wxClientDC::wxClientDC( wxWindow *win )
2475 : wxWindowDC( win )
ec758a20 2476{
4f55a07f
VZ		 2477 wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") );
2478
1e6feb95
VZ		 2479#ifdef __WXUNIVERSAL__
2480 wxPoint ptOrigin = win->GetClientAreaOrigin();
2481 SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
2482 wxSize size = win->GetClientSize();
2483 SetClippingRegion(wxPoint(0, 0), size);
2484#endif // __WXUNIVERSAL__
ec758a20
RR		 2485}
2486
4f55a07f
VZ		 2487void wxClientDC::DoGetSize(int *width, int *height) const
2488{
2489 wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
2490
2491 m_owner->GetClientSize( width, height );
2492}
2493
3d2d8da1
RR		 2494// ----------------------------------------------------------------------------
2495// wxDCModule
2496// ----------------------------------------------------------------------------
2497
2498class wxDCModule : public wxModule
2499{
2500public:
2501 bool OnInit();
2502 void OnExit();
2503
2504private:
2505 DECLARE_DYNAMIC_CLASS(wxDCModule)
2506};
2507
2508IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
2509
2510bool wxDCModule::OnInit()
2511{
2512 wxInitGCPool();
ab9d0a8c 2513 return true;
3d2d8da1
RR		 2514}
2515
2516void wxDCModule::OnExit()
2517{
2518 wxCleanUpGCPool();
2519}
wxWidgets (Impactor)