]>
git.saurik.com Git - wxWidgets.git/blob - src/gtk1/dcclient.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gtk/dcclient.cpp
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling, Chris Breeze
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "dcclient.h"
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
18 #define XCopyPlane XCOPYPLANE
21 #include "wx/dcclient.h"
22 #include "wx/dcmemory.h"
24 #include "wx/module.h"
26 #include "wx/fontutil.h"
28 #include "wx/gtk/win_gtk.h"
30 #include <math.h> // for floating-point functions
34 #include <gdk/gdkprivate.h>
37 //-----------------------------------------------------------------------------
39 //-----------------------------------------------------------------------------
41 #define USE_PAINT_REGION 1
43 //-----------------------------------------------------------------------------
45 //-----------------------------------------------------------------------------
55 #define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
56 #define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
59 static GdkPixmap
*hatches
[num_hatches
];
60 static GdkPixmap
**hatch_bitmap
= (GdkPixmap
**) NULL
;
62 extern GtkWidget
*wxGetRootWindow();
64 //-----------------------------------------------------------------------------
66 //-----------------------------------------------------------------------------
68 const double RAD2DEG
= 180.0 / M_PI
;
70 // ----------------------------------------------------------------------------
72 // ----------------------------------------------------------------------------
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
; }
77 static inline double DegToRad(double deg
) { return (deg
* M_PI
) / 180.0; }
79 //-----------------------------------------------------------------------------
80 // temporary implementation of the missing GDK function
81 //-----------------------------------------------------------------------------
83 #include "gdk/gdkprivate.h"
85 void gdk_wx_draw_bitmap(GdkDrawable
*drawable
,
95 g_return_if_fail (drawable
!= NULL
);
96 g_return_if_fail (src
!= NULL
);
97 g_return_if_fail (gc
!= NULL
);
100 gint src_width
, src_height
;
101 gdk_drawable_get_size(src
, &src_width
, &src_height
);
102 if (width
== -1) width
= src_width
;
103 if (height
== -1) height
= src_height
;
105 XCopyPlane( GDK_WINDOW_XDISPLAY(drawable
),
107 GDK_WINDOW_XID(drawable
),
114 GdkWindowPrivate
*drawable_private
;
115 GdkWindowPrivate
*src_private
;
116 GdkGCPrivate
*gc_private
;
118 drawable_private
= (GdkWindowPrivate
*) drawable
;
119 src_private
= (GdkWindowPrivate
*) src
;
120 if (drawable_private
->destroyed
|| src_private
->destroyed
)
123 gint src_width
= src_private
->width
;
124 gint src_height
= src_private
->height
;
126 gc_private
= (GdkGCPrivate
*) gc
;
128 if (width
== -1) width
= src_width
;
129 if (height
== -1) height
= src_height
;
131 XCopyPlane( drawable_private
->xdisplay
,
132 src_private
->xwindow
,
133 drawable_private
->xwindow
,
142 //-----------------------------------------------------------------------------
143 // Implement Pool of Graphic contexts. Creating them takes too much time.
144 //-----------------------------------------------------------------------------
146 #define GC_POOL_SIZE 200
172 #define GC_POOL_ALLOC_SIZE 100
174 static int wxGCPoolSize
= 0;
176 static wxGC
*wxGCPool
= NULL
;
178 static void wxInitGCPool()
180 // This really could wait until the first call to
181 // wxGetPoolGC, but we will make the first allocation
182 // now when other initialization is being performed.
184 // Set initial pool size.
185 wxGCPoolSize
= GC_POOL_ALLOC_SIZE
;
187 // Allocate initial pool.
188 wxGCPool
= (wxGC
*)malloc(wxGCPoolSize
* sizeof(wxGC
));
189 if (wxGCPool
== NULL
)
191 // If we cannot malloc, then fail with error
192 // when debug is enabled. If debug is not enabled,
193 // the problem will eventually get caught
195 wxFAIL_MSG( wxT("Cannot allocate GC pool") );
199 // Zero initial pool.
200 memset(wxGCPool
, 0, wxGCPoolSize
* sizeof(wxGC
));
203 static void wxCleanUpGCPool()
205 for (int i
= 0; i
< wxGCPoolSize
; i
++)
207 if (wxGCPool
[i
].m_gc
)
208 gdk_gc_unref( wxGCPool
[i
].m_gc
);
216 static GdkGC
* wxGetPoolGC( GdkWindow
*window
, wxPoolGCType type
)
220 // Look for an available GC.
221 for (int i
= 0; i
< wxGCPoolSize
; i
++)
223 if (!wxGCPool
[i
].m_gc
)
225 wxGCPool
[i
].m_gc
= gdk_gc_new( window
);
226 gdk_gc_set_exposures( wxGCPool
[i
].m_gc
, FALSE
);
227 wxGCPool
[i
].m_type
= type
;
228 wxGCPool
[i
].m_used
= FALSE
;
230 if ((!wxGCPool
[i
].m_used
) && (wxGCPool
[i
].m_type
== type
))
232 wxGCPool
[i
].m_used
= TRUE
;
233 return wxGCPool
[i
].m_gc
;
237 // We did not find an available GC.
238 // We need to grow the GC pool.
239 pptr
= (wxGC
*)realloc(wxGCPool
,
240 (wxGCPoolSize
+ GC_POOL_ALLOC_SIZE
)*sizeof(wxGC
));
243 // Initialize newly allocated pool.
245 memset(&wxGCPool
[wxGCPoolSize
], 0,
246 GC_POOL_ALLOC_SIZE
*sizeof(wxGC
));
248 // Initialize entry we will return.
249 wxGCPool
[wxGCPoolSize
].m_gc
= gdk_gc_new( window
);
250 gdk_gc_set_exposures( wxGCPool
[wxGCPoolSize
].m_gc
, FALSE
);
251 wxGCPool
[wxGCPoolSize
].m_type
= type
;
252 wxGCPool
[wxGCPoolSize
].m_used
= TRUE
;
254 // Set new value of pool size.
255 wxGCPoolSize
+= GC_POOL_ALLOC_SIZE
;
257 // Return newly allocated entry.
258 return wxGCPool
[wxGCPoolSize
-GC_POOL_ALLOC_SIZE
].m_gc
;
261 // The realloc failed. Fall through to error.
262 wxFAIL_MSG( wxT("No GC available") );
264 return (GdkGC
*) NULL
;
267 static void wxFreePoolGC( GdkGC
*gc
)
269 for (int i
= 0; i
< wxGCPoolSize
; i
++)
271 if (wxGCPool
[i
].m_gc
== gc
)
273 wxGCPool
[i
].m_used
= FALSE
;
278 wxFAIL_MSG( wxT("Wrong GC") );
281 //-----------------------------------------------------------------------------
283 //-----------------------------------------------------------------------------
285 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC
, wxDC
)
287 wxWindowDC::wxWindowDC()
289 m_penGC
= (GdkGC
*) NULL
;
290 m_brushGC
= (GdkGC
*) NULL
;
291 m_textGC
= (GdkGC
*) NULL
;
292 m_bgGC
= (GdkGC
*) NULL
;
293 m_cmap
= (GdkColormap
*) NULL
;
295 m_isScreenDC
= FALSE
;
296 m_owner
= (wxWindow
*)NULL
;
298 m_context
= (PangoContext
*)NULL
;
299 m_layout
= (PangoLayout
*)NULL
;
300 m_fontdesc
= (PangoFontDescription
*)NULL
;
304 wxWindowDC::wxWindowDC( wxWindow
*window
)
306 wxASSERT_MSG( window
, wxT("DC needs a window") );
308 m_penGC
= (GdkGC
*) NULL
;
309 m_brushGC
= (GdkGC
*) NULL
;
310 m_textGC
= (GdkGC
*) NULL
;
311 m_bgGC
= (GdkGC
*) NULL
;
312 m_cmap
= (GdkColormap
*) NULL
;
313 m_owner
= (wxWindow
*)NULL
;
315 m_isScreenDC
= FALSE
;
316 m_font
= window
->GetFont();
318 GtkWidget
*widget
= window
->m_wxwindow
;
320 // Some controls don't have m_wxwindow - like wxStaticBox, but the user
321 // code should still be able to create wxClientDCs for them, so we will
322 // use the parent window here then.
325 window
= window
->GetParent();
326 widget
= window
->m_wxwindow
;
329 wxASSERT_MSG( widget
, wxT("DC needs a widget") );
332 m_context
= window
->GtkGetPangoDefaultContext();
333 m_layout
= pango_layout_new( m_context
);
334 m_fontdesc
= pango_font_description_copy( widget
->style
->font_desc
);
337 GtkPizza
*pizza
= GTK_PIZZA( widget
);
338 m_window
= pizza
->bin_window
;
340 // Window not realized ?
343 // Don't report problems as per MSW.
349 m_cmap
= gtk_widget_get_colormap( widget
? widget
: window
->m_widget
);
353 /* this must be done after SetUpDC, bacause SetUpDC calls the
354 repective SetBrush, SetPen, SetBackground etc functions
355 to set up the DC. SetBackground call m_owner->SetBackground
356 and this might not be desired as the standard dc background
357 is white whereas a window might assume gray to be the
358 standard (as e.g. wxStatusBar) */
363 wxWindowDC::~wxWindowDC()
369 g_object_unref( G_OBJECT( m_layout
) );
371 pango_font_description_free( m_fontdesc
);
375 void wxWindowDC::SetUpDC()
379 wxASSERT_MSG( !m_penGC
, wxT("GCs already created") );
383 m_penGC
= wxGetPoolGC( m_window
, wxPEN_SCREEN
);
384 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_SCREEN
);
385 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_SCREEN
);
386 m_bgGC
= wxGetPoolGC( m_window
, wxBG_SCREEN
);
389 if (m_isMemDC
&& (((wxMemoryDC
*)this)->m_selected
.GetDepth() == 1))
391 m_penGC
= wxGetPoolGC( m_window
, wxPEN_MONO
);
392 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_MONO
);
393 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_MONO
);
394 m_bgGC
= wxGetPoolGC( m_window
, wxBG_MONO
);
398 m_penGC
= wxGetPoolGC( m_window
, wxPEN_COLOUR
);
399 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_COLOUR
);
400 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_COLOUR
);
401 m_bgGC
= wxGetPoolGC( m_window
, wxBG_COLOUR
);
404 /* background colour */
405 m_backgroundBrush
= *wxWHITE_BRUSH
;
406 m_backgroundBrush
.GetColour().CalcPixel( m_cmap
);
407 GdkColor
*bg_col
= m_backgroundBrush
.GetColour().GetColor();
410 m_textForegroundColour
.CalcPixel( m_cmap
);
411 gdk_gc_set_foreground( m_textGC
, m_textForegroundColour
.GetColor() );
413 m_textBackgroundColour
.CalcPixel( m_cmap
);
414 gdk_gc_set_background( m_textGC
, m_textBackgroundColour
.GetColor() );
416 gdk_gc_set_fill( m_textGC
, GDK_SOLID
);
419 m_pen
.GetColour().CalcPixel( m_cmap
);
420 gdk_gc_set_foreground( m_penGC
, m_pen
.GetColour().GetColor() );
421 gdk_gc_set_background( m_penGC
, bg_col
);
423 gdk_gc_set_line_attributes( m_penGC
, 0, GDK_LINE_SOLID
, GDK_CAP_NOT_LAST
, GDK_JOIN_ROUND
);
426 m_brush
.GetColour().CalcPixel( m_cmap
);
427 gdk_gc_set_foreground( m_brushGC
, m_brush
.GetColour().GetColor() );
428 gdk_gc_set_background( m_brushGC
, bg_col
);
430 gdk_gc_set_fill( m_brushGC
, GDK_SOLID
);
433 gdk_gc_set_background( m_bgGC
, bg_col
);
434 gdk_gc_set_foreground( m_bgGC
, bg_col
);
436 gdk_gc_set_fill( m_bgGC
, GDK_SOLID
);
439 gdk_gc_set_function( m_textGC
, GDK_COPY
);
440 gdk_gc_set_function( m_brushGC
, GDK_COPY
);
441 gdk_gc_set_function( m_penGC
, GDK_COPY
);
444 gdk_gc_set_clip_rectangle( m_penGC
, (GdkRectangle
*) NULL
);
445 gdk_gc_set_clip_rectangle( m_brushGC
, (GdkRectangle
*) NULL
);
446 gdk_gc_set_clip_rectangle( m_textGC
, (GdkRectangle
*) NULL
);
447 gdk_gc_set_clip_rectangle( m_bgGC
, (GdkRectangle
*) NULL
);
451 hatch_bitmap
= hatches
;
452 hatch_bitmap
[0] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, bdiag_bits
, bdiag_width
, bdiag_height
);
453 hatch_bitmap
[1] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, cdiag_bits
, cdiag_width
, cdiag_height
);
454 hatch_bitmap
[2] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, fdiag_bits
, fdiag_width
, fdiag_height
);
455 hatch_bitmap
[3] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, cross_bits
, cross_width
, cross_height
);
456 hatch_bitmap
[4] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, horiz_bits
, horiz_width
, horiz_height
);
457 hatch_bitmap
[5] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, verti_bits
, verti_width
, verti_height
);
461 void wxWindowDC::DoGetSize( int* width
, int* height
) const
463 wxCHECK_RET( m_owner
, _T("GetSize() doesn't work without window") );
465 m_owner
->GetSize(width
, height
);
468 extern bool wxDoFloodFill(wxDC
*dc
, wxCoord x
, wxCoord y
,
469 const wxColour
& col
, int style
);
471 bool wxWindowDC::DoFloodFill(wxCoord x
, wxCoord y
,
472 const wxColour
& col
, int style
)
474 return wxDoFloodFill(this, x
, y
, col
, style
);
477 bool wxWindowDC::DoGetPixel( wxCoord x1
, wxCoord y1
, wxColour
*col
) const
479 // Generic (and therefore rather inefficient) method.
480 // Could be improved.
482 wxBitmap
bitmap(1, 1);
483 memdc
.SelectObject(bitmap
);
484 memdc
.Blit(0, 0, 1, 1, (wxDC
*) this, x1
, y1
);
485 memdc
.SelectObject(wxNullBitmap
);
487 wxImage image
= bitmap
.ConvertToImage();
488 col
->Set(image
.GetRed(0, 0), image
.GetGreen(0, 0), image
.GetBlue(0, 0));
492 void wxWindowDC::DoDrawLine( wxCoord x1
, wxCoord y1
, wxCoord x2
, wxCoord y2
)
494 wxCHECK_RET( Ok(), wxT("invalid window dc") );
496 if (m_pen
.GetStyle() != wxTRANSPARENT
)
499 gdk_draw_line( m_window
, m_penGC
, XLOG2DEV(x1
), YLOG2DEV(y1
), XLOG2DEV(x2
), YLOG2DEV(y2
) );
501 CalcBoundingBox(x1
, y1
);
502 CalcBoundingBox(x2
, y2
);
506 void wxWindowDC::DoCrossHair( wxCoord x
, wxCoord y
)
508 wxCHECK_RET( Ok(), wxT("invalid window dc") );
510 if (m_pen
.GetStyle() != wxTRANSPARENT
)
515 wxCoord xx
= XLOG2DEV(x
);
516 wxCoord yy
= YLOG2DEV(y
);
519 gdk_draw_line( m_window
, m_penGC
, 0, yy
, XLOG2DEVREL(w
), yy
);
520 gdk_draw_line( m_window
, m_penGC
, xx
, 0, xx
, YLOG2DEVREL(h
) );
525 void wxWindowDC::DoDrawArc( wxCoord x1
, wxCoord y1
, wxCoord x2
, wxCoord y2
,
526 wxCoord xc
, wxCoord yc
)
528 wxCHECK_RET( Ok(), wxT("invalid window dc") );
530 wxCoord xx1
= XLOG2DEV(x1
);
531 wxCoord yy1
= YLOG2DEV(y1
);
532 wxCoord xx2
= XLOG2DEV(x2
);
533 wxCoord yy2
= YLOG2DEV(y2
);
534 wxCoord xxc
= XLOG2DEV(xc
);
535 wxCoord yyc
= YLOG2DEV(yc
);
536 double dx
= xx1
- xxc
;
537 double dy
= yy1
- yyc
;
538 double radius
= sqrt((double)(dx
*dx
+dy
*dy
));
539 wxCoord r
= (wxCoord
)radius
;
540 double radius1
, radius2
;
542 if (xx1
== xx2
&& yy1
== yy2
)
550 radius1
= radius2
= 0.0;
554 radius1
= (xx1
- xxc
== 0) ?
555 (yy1
- yyc
< 0) ? 90.0 : -90.0 :
556 -atan2(double(yy1
-yyc
), double(xx1
-xxc
)) * RAD2DEG
;
557 radius2
= (xx2
- xxc
== 0) ?
558 (yy2
- yyc
< 0) ? 90.0 : -90.0 :
559 -atan2(double(yy2
-yyc
), double(xx2
-xxc
)) * RAD2DEG
;
561 wxCoord alpha1
= wxCoord(radius1
* 64.0);
562 wxCoord alpha2
= wxCoord((radius2
- radius1
) * 64.0);
563 while (alpha2
<= 0) alpha2
+= 360*64;
564 while (alpha1
> 360*64) alpha1
-= 360*64;
568 if (m_brush
.GetStyle() != wxTRANSPARENT
)
570 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
572 gdk_gc_set_ts_origin( m_textGC
,
573 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
574 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
575 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
576 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
578 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
580 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
581 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
582 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
584 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
586 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
587 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
588 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
590 if (m_brush
.GetStyle() == wxSTIPPLE
)
592 gdk_gc_set_ts_origin( m_brushGC
,
593 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
594 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
595 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
596 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
600 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
604 if (m_pen
.GetStyle() != wxTRANSPARENT
)
606 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
608 gdk_draw_line( m_window
, m_penGC
, xx1
, yy1
, xxc
, yyc
);
609 gdk_draw_line( m_window
, m_penGC
, xxc
, yyc
, xx2
, yy2
);
613 CalcBoundingBox (x1
, y1
);
614 CalcBoundingBox (x2
, y2
);
617 void wxWindowDC::DoDrawEllipticArc( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
, double sa
, double ea
)
619 wxCHECK_RET( Ok(), wxT("invalid window dc") );
621 wxCoord xx
= XLOG2DEV(x
);
622 wxCoord yy
= YLOG2DEV(y
);
623 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
624 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
626 // CMB: handle -ve width and/or height
627 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
628 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
632 wxCoord start
= wxCoord(sa
* 64.0);
633 wxCoord end
= wxCoord((ea
-sa
) * 64.0);
635 if (m_brush
.GetStyle() != wxTRANSPARENT
)
637 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
639 gdk_gc_set_ts_origin( m_textGC
,
640 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
641 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
642 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
643 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
645 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
647 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
648 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
649 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
651 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
653 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
654 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
655 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
657 if (m_brush
.GetStyle() == wxSTIPPLE
)
659 gdk_gc_set_ts_origin( m_brushGC
,
660 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
661 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
662 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
663 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
667 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
671 if (m_pen
.GetStyle() != wxTRANSPARENT
)
672 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
, hh
, start
, end
);
675 CalcBoundingBox (x
, y
);
676 CalcBoundingBox (x
+ width
, y
+ height
);
679 void wxWindowDC::DoDrawPoint( wxCoord x
, wxCoord y
)
681 wxCHECK_RET( Ok(), wxT("invalid window dc") );
683 if ((m_pen
.GetStyle() != wxTRANSPARENT
) && m_window
)
684 gdk_draw_point( m_window
, m_penGC
, XLOG2DEV(x
), YLOG2DEV(y
) );
686 CalcBoundingBox (x
, y
);
689 void wxWindowDC::DoDrawLines( int n
, wxPoint points
[], wxCoord xoffset
, wxCoord yoffset
)
691 wxCHECK_RET( Ok(), wxT("invalid window dc") );
693 if (m_pen
.GetStyle() == wxTRANSPARENT
) return;
696 GdkPoint
*gpts
= new GdkPoint
[n
];
699 wxFAIL_MSG( wxT("Cannot allocate PolyLine") );
703 for (int i
= 0; i
< n
; i
++)
705 wxCoord x1
= XLOG2DEV(points
[i
].x
+ xoffset
);
706 wxCoord y1
= YLOG2DEV(points
[i
].y
+ yoffset
);
708 CalcBoundingBox( x1
+ xoffset
, y1
+ yoffset
);
715 gdk_draw_lines( m_window
, m_penGC
, gpts
, n
);
720 void wxWindowDC::DoDrawPolygon( int n
, wxPoint points
[], wxCoord xoffset
, wxCoord yoffset
, int WXUNUSED(fillStyle
) )
722 wxCHECK_RET( Ok(), wxT("invalid window dc") );
726 GdkPoint
*gdkpoints
= new GdkPoint
[n
+1];
728 for (i
= 0 ; i
< n
; i
++)
730 gdkpoints
[i
].x
= XLOG2DEV(points
[i
].x
+ xoffset
);
731 gdkpoints
[i
].y
= YLOG2DEV(points
[i
].y
+ yoffset
);
733 CalcBoundingBox( points
[i
].x
+ xoffset
, points
[i
].y
+ yoffset
);
738 if (m_brush
.GetStyle() != wxTRANSPARENT
)
740 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
742 gdk_gc_set_ts_origin( m_textGC
,
743 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
744 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
745 gdk_draw_polygon( m_window
, m_textGC
, TRUE
, gdkpoints
, n
);
746 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
748 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
750 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
751 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
752 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
754 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
756 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
757 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
758 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
760 if (m_brush
.GetStyle() == wxSTIPPLE
)
762 gdk_gc_set_ts_origin( m_brushGC
,
763 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
764 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
765 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
766 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
770 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
774 if (m_pen
.GetStyle() != wxTRANSPARENT
)
777 for (i = 0 ; i < n ; i++)
779 gdk_draw_line( m_window, m_penGC,
782 gdkpoints[(i+1)%n].x,
783 gdkpoints[(i+1)%n].y);
786 gdk_draw_polygon( m_window
, m_penGC
, FALSE
, gdkpoints
, n
);
794 void wxWindowDC::DoDrawRectangle( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
796 wxCHECK_RET( Ok(), wxT("invalid window dc") );
798 wxCoord xx
= XLOG2DEV(x
);
799 wxCoord yy
= YLOG2DEV(y
);
800 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
801 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
803 // CMB: draw nothing if transformed w or h is 0
804 if (ww
== 0 || hh
== 0) return;
806 // CMB: handle -ve width and/or height
807 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
808 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
812 if (m_brush
.GetStyle() != wxTRANSPARENT
)
814 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
816 gdk_gc_set_ts_origin( m_textGC
,
817 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
818 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
819 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
);
820 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
822 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
824 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
825 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
826 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
828 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
830 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
831 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
832 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
834 if (m_brush
.GetStyle() == wxSTIPPLE
)
836 gdk_gc_set_ts_origin( m_brushGC
,
837 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
838 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
839 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
840 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
844 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
848 if (m_pen
.GetStyle() != wxTRANSPARENT
)
849 gdk_draw_rectangle( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
-1, hh
-1 );
852 CalcBoundingBox( x
, y
);
853 CalcBoundingBox( x
+ width
, y
+ height
);
856 void wxWindowDC::DoDrawRoundedRectangle( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
, double radius
)
858 wxCHECK_RET( Ok(), wxT("invalid window dc") );
860 if (radius
< 0.0) radius
= - radius
* ((width
< height
) ? width
: height
);
862 wxCoord xx
= XLOG2DEV(x
);
863 wxCoord yy
= YLOG2DEV(y
);
864 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
865 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
866 wxCoord rr
= XLOG2DEVREL((wxCoord
)radius
);
868 // CMB: handle -ve width and/or height
869 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
870 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
872 // CMB: if radius is zero use DrawRectangle() instead to avoid
873 // X drawing errors with small radii
876 DrawRectangle( x
, y
, width
, height
);
880 // CMB: draw nothing if transformed w or h is 0
881 if (ww
== 0 || hh
== 0) return;
883 // CMB: adjust size if outline is drawn otherwise the result is
884 // 1 pixel too wide and high
885 if (m_pen
.GetStyle() != wxTRANSPARENT
)
893 // CMB: ensure dd is not larger than rectangle otherwise we
894 // get an hour glass shape
896 if (dd
> ww
) dd
= ww
;
897 if (dd
> hh
) dd
= hh
;
900 if (m_brush
.GetStyle() != wxTRANSPARENT
)
902 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
904 gdk_gc_set_ts_origin( m_textGC
,
905 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
906 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
907 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
908 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
909 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
910 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
911 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
912 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
913 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
915 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
917 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
918 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
919 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
920 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
921 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
922 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
923 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
924 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
926 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
928 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
929 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
930 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
931 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
932 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
933 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
934 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
935 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
937 if (m_brush
.GetStyle() == wxSTIPPLE
)
939 gdk_gc_set_ts_origin( m_brushGC
,
940 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
941 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
942 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
943 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
944 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
945 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
946 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
947 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
948 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
952 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
953 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
954 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
955 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
956 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
957 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
961 if (m_pen
.GetStyle() != wxTRANSPARENT
)
963 gdk_draw_line( m_window
, m_penGC
, xx
+rr
+1, yy
, xx
+ww
-rr
, yy
);
964 gdk_draw_line( m_window
, m_penGC
, xx
+rr
+1, yy
+hh
, xx
+ww
-rr
, yy
+hh
);
965 gdk_draw_line( m_window
, m_penGC
, xx
, yy
+rr
+1, xx
, yy
+hh
-rr
);
966 gdk_draw_line( m_window
, m_penGC
, xx
+ww
, yy
+rr
+1, xx
+ww
, yy
+hh
-rr
);
967 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
968 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
969 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
970 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
974 // this ignores the radius
975 CalcBoundingBox( x
, y
);
976 CalcBoundingBox( x
+ width
, y
+ height
);
979 void wxWindowDC::DoDrawEllipse( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
981 wxCHECK_RET( Ok(), wxT("invalid window dc") );
983 wxCoord xx
= XLOG2DEV(x
);
984 wxCoord yy
= YLOG2DEV(y
);
985 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
986 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
988 // CMB: handle -ve width and/or height
989 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
990 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
994 if (m_brush
.GetStyle() != wxTRANSPARENT
)
996 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
998 gdk_gc_set_ts_origin( m_textGC
,
999 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
1000 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
1001 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1002 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
1004 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
1006 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
1007 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1008 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1010 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
1012 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
1013 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1014 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1016 if (m_brush
.GetStyle() == wxSTIPPLE
)
1018 gdk_gc_set_ts_origin( m_brushGC
,
1019 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
1020 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
1021 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1022 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1026 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1030 if (m_pen
.GetStyle() != wxTRANSPARENT
)
1031 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1034 CalcBoundingBox( x
, y
);
1035 CalcBoundingBox( x
+ width
, y
+ height
);
1038 void wxWindowDC::DoDrawIcon( const wxIcon
&icon
, wxCoord x
, wxCoord y
)
1040 // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
1041 DoDrawBitmap( (const wxBitmap
&)icon
, x
, y
, (bool)TRUE
);
1044 void wxWindowDC::DoDrawBitmap( const wxBitmap
&bitmap
,
1045 wxCoord x
, wxCoord y
,
1048 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1050 wxCHECK_RET( bitmap
.Ok(), wxT("invalid bitmap") );
1052 bool is_mono
= (bitmap
.GetBitmap() != NULL
);
1054 // scale/translate size and position
1055 int xx
= XLOG2DEV(x
);
1056 int yy
= YLOG2DEV(y
);
1058 int w
= bitmap
.GetWidth();
1059 int h
= bitmap
.GetHeight();
1061 CalcBoundingBox( x
, y
);
1062 CalcBoundingBox( x
+ w
, y
+ h
);
1064 if (!m_window
) return;
1066 int ww
= XLOG2DEVREL(w
);
1067 int hh
= YLOG2DEVREL(h
);
1069 // compare to current clipping region
1070 if (!m_currentClippingRegion
.IsNull())
1072 wxRegion
tmp( xx
,yy
,ww
,hh
);
1073 tmp
.Intersect( m_currentClippingRegion
);
1078 // scale bitmap if required
1079 wxBitmap use_bitmap
= bitmap
;
1080 if ((w
!= ww
) || (h
!= hh
))
1081 use_bitmap
= use_bitmap
.Rescale( 0, 0, ww
, hh
, ww
, hh
);
1083 // apply mask if any
1084 GdkBitmap
*mask
= (GdkBitmap
*) NULL
;
1085 if (use_bitmap
.GetMask()) mask
= use_bitmap
.GetMask()->GetBitmap();
1087 GdkBitmap
*new_mask
= (GdkBitmap
*) NULL
;
1089 if (useMask
&& mask
)
1091 if (!m_currentClippingRegion
.IsNull())
1094 new_mask
= gdk_pixmap_new( wxGetRootWindow()->window
, ww
, hh
, 1 );
1095 GdkGC
*gc
= gdk_gc_new( new_mask
);
1097 gdk_gc_set_foreground( gc
, &col
);
1098 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, ww
, hh
);
1100 gdk_gc_set_background( gc
, &col
);
1102 gdk_gc_set_foreground( gc
, &col
);
1103 gdk_gc_set_clip_region( gc
, m_currentClippingRegion
.GetRegion() );
1104 gdk_gc_set_clip_origin( gc
, -xx
, -yy
);
1105 gdk_gc_set_fill( gc
, GDK_OPAQUE_STIPPLED
);
1106 gdk_gc_set_stipple( gc
, mask
);
1107 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, ww
, hh
);
1114 gdk_gc_set_clip_mask( m_textGC
, new_mask
);
1116 gdk_gc_set_clip_mask( m_textGC
, mask
);
1117 gdk_gc_set_clip_origin( m_textGC
, xx
, yy
);
1122 gdk_gc_set_clip_mask( m_penGC
, new_mask
);
1124 gdk_gc_set_clip_mask( m_penGC
, mask
);
1125 gdk_gc_set_clip_origin( m_penGC
, xx
, yy
);
1129 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1130 // drawing a mono-bitmap (XBitmap) we use the current text GC
1134 GdkPixmap
*bitmap
= gdk_pixmap_new( wxGetRootWindow()->window
, ww
, hh
, -1 );
1135 GdkGC
*gc
= gdk_gc_new( bitmap
);
1136 gdk_gc_set_foreground( gc
, m_textForegroundColour
.GetColor() );
1137 gdk_gc_set_background( gc
, m_textBackgroundColour
.GetColor() );
1138 gdk_wx_draw_bitmap( bitmap
, gc
, use_bitmap
.GetBitmap(), 0, 0, 0, 0, -1, -1 );
1140 gdk_draw_drawable( m_window
, m_textGC
, bitmap
, 0, 0, xx
, yy
, -1, -1 );
1142 gdk_bitmap_unref( bitmap
);
1145 gdk_wx_draw_bitmap( m_window
, m_textGC
, use_bitmap
.GetBitmap(), 0, 0, xx
, yy
, -1, -1 );
1150 #if GTK_CHECK_VERSION(2,2,0)
1151 if (use_bitmap
.HasPixbuf())
1153 gdk_draw_pixbuf(m_window
, m_penGC
,
1154 use_bitmap
.GetPixbuf(),
1155 0, 0, xx
, yy
, -1, -1,
1156 GDK_RGB_DITHER_NORMAL
, xx
, yy
);
1161 gdk_draw_pixmap(m_window
, m_penGC
,
1162 use_bitmap
.GetPixmap(),
1163 0, 0, xx
, yy
, -1, -1);
1167 // remove mask again if any
1168 if (useMask
&& mask
)
1172 gdk_gc_set_clip_mask( m_textGC
, (GdkBitmap
*) NULL
);
1173 gdk_gc_set_clip_origin( m_textGC
, 0, 0 );
1174 if (!m_currentClippingRegion
.IsNull())
1175 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
1179 gdk_gc_set_clip_mask( m_penGC
, (GdkBitmap
*) NULL
);
1180 gdk_gc_set_clip_origin( m_penGC
, 0, 0 );
1181 if (!m_currentClippingRegion
.IsNull())
1182 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
1187 gdk_bitmap_unref( new_mask
);
1190 bool wxWindowDC::DoBlit( wxCoord xdest
, wxCoord ydest
,
1191 wxCoord width
, wxCoord height
,
1193 wxCoord xsrc
, wxCoord ysrc
,
1196 wxCoord xsrcMask
, wxCoord ysrcMask
)
1198 wxCHECK_MSG( Ok(), FALSE
, wxT("invalid window dc") );
1200 wxCHECK_MSG( source
, FALSE
, wxT("invalid source dc") );
1202 if (!m_window
) return FALSE
;
1204 // transform the source DC coords to the device ones
1205 xsrc
= source
->XLOG2DEV(xsrc
);
1206 ysrc
= source
->YLOG2DEV(ysrc
);
1208 wxClientDC
*srcDC
= (wxClientDC
*)source
;
1209 wxMemoryDC
*memDC
= (wxMemoryDC
*)source
;
1211 bool use_bitmap_method
= FALSE
;
1212 bool is_mono
= FALSE
;
1214 // TODO: use the mask origin when drawing transparently
1215 if (xsrcMask
== -1 && ysrcMask
== -1)
1221 if (srcDC
->m_isMemDC
)
1223 if (!memDC
->m_selected
.Ok()) return FALSE
;
1225 is_mono
= (memDC
->m_selected
.GetDepth() == 1);
1227 // we use the "XCopyArea" way to copy a memory dc into
1228 // a different window if the memory dc BOTH
1229 // a) doesn't have any mask or its mask isn't used
1233 if (useMask
&& (memDC
->m_selected
.GetMask()))
1235 // we HAVE TO use the direct way for memory dcs
1236 // that have mask since the XCopyArea doesn't know
1238 use_bitmap_method
= TRUE
;
1242 // we HAVE TO use the direct way for memory dcs
1243 // that are bitmaps because XCopyArea doesn't cope
1244 // with different bit depths
1245 use_bitmap_method
= TRUE
;
1247 else if ((xsrc
== 0) && (ysrc
== 0) &&
1248 (width
== memDC
->m_selected
.GetWidth()) &&
1249 (height
== memDC
->m_selected
.GetHeight()))
1251 // we SHOULD use the direct way if all of the bitmap
1252 // in the memory dc is copied in which case XCopyArea
1253 // wouldn't be able able to boost performace by reducing
1254 // the area to be scaled
1255 use_bitmap_method
= TRUE
;
1259 use_bitmap_method
= FALSE
;
1263 CalcBoundingBox( xdest
, ydest
);
1264 CalcBoundingBox( xdest
+ width
, ydest
+ height
);
1266 // scale/translate size and position
1267 wxCoord xx
= XLOG2DEV(xdest
);
1268 wxCoord yy
= YLOG2DEV(ydest
);
1270 wxCoord ww
= XLOG2DEVREL(width
);
1271 wxCoord hh
= YLOG2DEVREL(height
);
1273 // compare to current clipping region
1274 if (!m_currentClippingRegion
.IsNull())
1276 wxRegion
tmp( xx
,yy
,ww
,hh
);
1277 tmp
.Intersect( m_currentClippingRegion
);
1282 int old_logical_func
= m_logicalFunction
;
1283 SetLogicalFunction( logical_func
);
1285 if (use_bitmap_method
)
1287 // scale/translate bitmap size
1288 wxCoord bm_width
= memDC
->m_selected
.GetWidth();
1289 wxCoord bm_height
= memDC
->m_selected
.GetHeight();
1291 // Get clip coords for the bitmap. If we don't
1292 // use wxBitmap::Rescale(), which can clip the
1293 // bitmap, these are the same as the original
1300 // interpret userscale of src too
1302 memDC
->GetUserScale(&xsc
,&ysc
);
1303 bm_width
= (int) (bm_width
/ xsc
);
1304 bm_height
= (int) (bm_height
/ ysc
);
1306 wxCoord bm_ww
= XLOG2DEVREL( bm_width
);
1307 wxCoord bm_hh
= YLOG2DEVREL( bm_height
);
1309 // Scale bitmap if required
1310 wxBitmap use_bitmap
;
1311 if ((memDC
->m_selected
.GetWidth()!= bm_ww
) || ( memDC
->m_selected
.GetHeight()!= bm_hh
))
1313 // This indicates that the blitting code below will get
1314 // a clipped bitmap and therefore needs to move the origin
1316 wxRegion
tmp( xx
,yy
,ww
,hh
);
1317 tmp
.Intersect( m_currentClippingRegion
);
1318 tmp
.GetBox(cx
,cy
,cw
,ch
);
1320 // Scale and clipped bitmap
1321 use_bitmap
= memDC
->m_selected
.Rescale(cx
-xx
,cy
-yy
,cw
,ch
,bm_ww
,bm_hh
);
1325 // Don't scale bitmap
1326 use_bitmap
= memDC
->m_selected
;
1329 // apply mask if any
1330 GdkBitmap
*mask
= (GdkBitmap
*) NULL
;
1331 if (use_bitmap
.GetMask()) mask
= use_bitmap
.GetMask()->GetBitmap();
1333 GdkBitmap
*new_mask
= (GdkBitmap
*) NULL
;
1335 if (useMask
&& mask
)
1337 if (!m_currentClippingRegion
.IsNull())
1340 new_mask
= gdk_pixmap_new( wxGetRootWindow()->window
, bm_ww
, bm_hh
, 1 );
1341 GdkGC
*gc
= gdk_gc_new( new_mask
);
1343 gdk_gc_set_foreground( gc
, &col
);
1344 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, bm_ww
, bm_hh
);
1346 gdk_gc_set_background( gc
, &col
);
1348 gdk_gc_set_foreground( gc
, &col
);
1349 gdk_gc_set_clip_region( gc
, m_currentClippingRegion
.GetRegion() );
1350 // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
1351 gdk_gc_set_clip_origin( gc
, -cx
, -cy
);
1352 gdk_gc_set_fill( gc
, GDK_OPAQUE_STIPPLED
);
1353 gdk_gc_set_stipple( gc
, mask
);
1354 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, bm_ww
, bm_hh
);
1361 gdk_gc_set_clip_mask( m_textGC
, new_mask
);
1363 gdk_gc_set_clip_mask( m_textGC
, mask
);
1364 // was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
1365 gdk_gc_set_clip_origin( m_textGC
, cx
, cy
);
1370 gdk_gc_set_clip_mask( m_penGC
, new_mask
);
1372 gdk_gc_set_clip_mask( m_penGC
, mask
);
1373 // was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
1374 gdk_gc_set_clip_origin( m_penGC
, cx
, cy
);
1378 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1379 // drawing a mono-bitmap (XBitmap) we use the current text GC
1384 GdkPixmap
*bitmap
= gdk_pixmap_new( wxGetRootWindow()->window
, bm_ww
, bm_hh
, -1 );
1385 GdkGC
*gc
= gdk_gc_new( bitmap
);
1386 gdk_gc_set_foreground( gc
, m_textForegroundColour
.GetColor() );
1387 gdk_gc_set_background( gc
, m_textBackgroundColour
.GetColor() );
1388 gdk_wx_draw_bitmap( bitmap
, gc
, use_bitmap
.GetBitmap(), 0, 0, 0, 0, -1, -1 );
1390 gdk_draw_drawable( m_window
, m_textGC
, bitmap
, xsrc
, ysrc
, cx
, cy
, cw
, ch
);
1392 gdk_bitmap_unref( bitmap
);
1395 // was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
1396 gdk_wx_draw_bitmap( m_window
, m_textGC
, use_bitmap
.GetBitmap(), xsrc
, ysrc
, cx
, cy
, cw
, ch
);
1401 // was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
1402 gdk_draw_pixmap( m_window
, m_penGC
, use_bitmap
.GetPixmap(), xsrc
, ysrc
, cx
, cy
, cw
, ch
);
1405 // remove mask again if any
1406 if (useMask
&& mask
)
1410 gdk_gc_set_clip_mask( m_textGC
, (GdkBitmap
*) NULL
);
1411 gdk_gc_set_clip_origin( m_textGC
, 0, 0 );
1412 if (!m_currentClippingRegion
.IsNull())
1413 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
1417 gdk_gc_set_clip_mask( m_penGC
, (GdkBitmap
*) NULL
);
1418 gdk_gc_set_clip_origin( m_penGC
, 0, 0 );
1419 if (!m_currentClippingRegion
.IsNull())
1420 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
1425 gdk_bitmap_unref( new_mask
);
1427 else // use_bitmap_method
1429 if ((memDC
->m_selected
.GetWidth() != ww
) || (memDC
->m_selected
.GetHeight() != hh
))
1432 wxRegion
tmp( xx
,yy
,ww
,hh
);
1433 tmp
.Intersect( m_currentClippingRegion
);
1434 wxCoord cx
,cy
,cw
,ch
;
1435 tmp
.GetBox(cx
,cy
,cw
,ch
);
1438 wxBitmap bitmap
= memDC
->m_selected
.Rescale( cx
-xx
, cy
-yy
, cw
, ch
, ww
, hh
);
1440 // draw scaled bitmap
1441 // was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
1442 gdk_draw_pixmap( m_window
, m_penGC
, bitmap
.GetPixmap(), 0, 0, cx
, cy
, -1, -1 );
1446 // No scaling and not a memory dc with a mask either
1448 // copy including child window contents
1449 gdk_gc_set_subwindow( m_penGC
, GDK_INCLUDE_INFERIORS
);
1450 gdk_window_copy_area( m_window
, m_penGC
, xx
, yy
,
1452 xsrc
, ysrc
, width
, height
);
1453 gdk_gc_set_subwindow( m_penGC
, GDK_CLIP_BY_CHILDREN
);
1457 SetLogicalFunction( old_logical_func
);
1462 void wxWindowDC::DoDrawText( const wxString
&text
, wxCoord x
, wxCoord y
)
1464 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1466 if (!m_window
) return;
1468 if (text
.empty()) return;
1471 GdkFont
*font
= m_font
.GetInternalFont( m_scaleY
);
1473 wxCHECK_RET( font
, wxT("invalid font") );
1480 wxCHECK_RET( m_context
, wxT("no Pango context") );
1481 wxCHECK_RET( m_layout
, wxT("no Pango layout") );
1482 wxCHECK_RET( m_fontdesc
, wxT("no Pango font description") );
1484 bool underlined
= m_font
.Ok() && m_font
.GetUnderlined();
1487 const wxCharBuffer data
= wxConvUTF8
.cWC2MB( text
);
1489 const wxWCharBuffer wdata
= wxConvLocal
.cMB2WC( text
);
1492 const wxCharBuffer data
= wxConvUTF8
.cWC2MB( wdata
);
1494 size_t datalen
= strlen((const char*)data
);
1495 pango_layout_set_text( m_layout
, (const char*) data
, datalen
);
1499 PangoAttrList
*attrs
= pango_attr_list_new();
1500 PangoAttribute
*a
= pango_attr_underline_new(PANGO_UNDERLINE_SINGLE
);
1502 a
->end_index
= datalen
;
1503 pango_attr_list_insert(attrs
, a
);
1504 pango_layout_set_attributes(m_layout
, attrs
);
1505 pango_attr_list_unref(attrs
);
1510 if (fabs(m_scaleY
- 1.0) < 0.00001)
1512 // If there is a user or actually any scale applied to
1513 // the device context, scale the font.
1515 // scale font description
1516 gint oldSize
= pango_font_description_get_size( m_fontdesc
);
1517 double size
= oldSize
;
1518 size
= size
* m_scaleY
;
1519 pango_font_description_set_size( m_fontdesc
, (gint
)size
);
1521 // actually apply scaled font
1522 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1524 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1525 if ( m_backgroundMode
== wxSOLID
)
1527 gdk_gc_set_foreground(m_textGC
, m_textBackgroundColour
.GetColor());
1528 gdk_draw_rectangle(m_window
, m_textGC
, TRUE
, x
, y
, w
, h
);
1529 gdk_gc_set_foreground(m_textGC
, m_textForegroundColour
.GetColor());
1533 gdk_draw_layout( m_window
, m_textGC
, x
, y
, m_layout
);
1535 // reset unscaled size
1536 pango_font_description_set_size( m_fontdesc
, oldSize
);
1538 // actually apply unscaled font
1539 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1543 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1544 if ( m_backgroundMode
== wxSOLID
)
1546 gdk_gc_set_foreground(m_textGC
, m_textBackgroundColour
.GetColor());
1547 gdk_draw_rectangle(m_window
, m_textGC
, TRUE
, x
, y
, w
, h
);
1548 gdk_gc_set_foreground(m_textGC
, m_textForegroundColour
.GetColor());
1551 gdk_draw_layout( m_window
, m_textGC
, x
, y
, m_layout
);
1556 // undo underline attributes setting:
1557 pango_layout_set_attributes(m_layout
, NULL
);
1564 wxCoord width
= gdk_string_width( font
, text
.mbc_str() );
1565 wxCoord height
= font
->ascent
+ font
->descent
;
1567 if ( m_backgroundMode
== wxSOLID
)
1569 gdk_gc_set_foreground( m_textGC
, m_textBackgroundColour
.GetColor() );
1570 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, x
, y
, width
, height
);
1571 gdk_gc_set_foreground( m_textGC
, m_textForegroundColour
.GetColor() );
1573 gdk_draw_string( m_window
, font
, m_textGC
, x
, y
+ font
->ascent
, text
.mbc_str() );
1575 /* CMB 17/7/98: simple underline: ignores scaling and underlying
1576 X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
1577 properties (see wxXt implementation) */
1578 if (m_font
.GetUnderlined())
1580 wxCoord ul_y
= y
+ font
->ascent
;
1581 if (font
->descent
> 0) ul_y
++;
1582 gdk_draw_line( m_window
, m_textGC
, x
, ul_y
, x
+ width
, ul_y
);
1584 #endif // GTK+ 2.0/1.x
1586 width
= wxCoord(width
/ m_scaleX
);
1587 height
= wxCoord(height
/ m_scaleY
);
1588 CalcBoundingBox (x
+ width
, y
+ height
);
1589 CalcBoundingBox (x
, y
);
1593 // TODO: There is an example of rotating text with GTK2 that would probably be
1594 // a better approach here:
1595 // http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
1597 void wxWindowDC::DoDrawRotatedText( const wxString
&text
, wxCoord x
, wxCoord y
, double angle
)
1601 DrawText(text
, x
, y
);
1605 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1607 if (!m_window
) return;
1613 // implement later without GdkFont for GTK 2.0
1614 GetTextExtent(text
, &w
, &h
, NULL
,NULL
, &m_font
);
1617 GdkFont
*font
= m_font
.GetInternalFont( m_scaleY
);
1619 wxCHECK_RET( font
, wxT("invalid font") );
1621 // the size of the text
1622 w
= gdk_string_width( font
, text
.mbc_str() );
1623 h
= font
->ascent
+ font
->descent
;
1625 // draw the string normally
1628 dc
.SelectObject(src
);
1629 dc
.SetFont(GetFont());
1630 dc
.SetBackground(*wxWHITE_BRUSH
);
1631 dc
.SetBrush(*wxBLACK_BRUSH
);
1633 dc
.DrawText(text
, 0, 0);
1634 dc
.SelectObject(wxNullBitmap
);
1636 // Calculate the size of the rotated bounding box.
1637 double rad
= DegToRad(angle
);
1638 double dx
= cos(rad
),
1641 // the rectngle vertices are counted clockwise with the first one being at
1642 // (0, 0) (or, rather, at (x, y))
1644 y2
= -w
*dy
; // y axis points to the bottom, hence minus
1647 double x3
= x4
+ x2
,
1651 wxCoord maxX
= (wxCoord
)(dmax(x2
, dmax(x3
, x4
)) + 0.5),
1652 maxY
= (wxCoord
)(dmax(y2
, dmax(y3
, y4
)) + 0.5),
1653 minX
= (wxCoord
)(dmin(x2
, dmin(x3
, x4
)) - 0.5),
1654 minY
= (wxCoord
)(dmin(y2
, dmin(y3
, y4
)) - 0.5);
1656 // prepare to blit-with-rotate the bitmap to the DC
1657 wxImage image
= src
.ConvertToImage();
1659 GdkColor
*colText
= m_textForegroundColour
.GetColor(),
1660 *colBack
= m_textBackgroundColour
.GetColor();
1662 bool textColSet
= TRUE
;
1664 unsigned char *data
= image
.GetData();
1666 // paint pixel by pixel
1667 for ( wxCoord srcX
= 0; srcX
< w
; srcX
++ )
1669 for ( wxCoord srcY
= 0; srcY
< h
; srcY
++ )
1671 // transform source coords to dest coords
1672 double r
= sqrt((double)srcX
*srcX
+ srcY
*srcY
);
1673 double angleOrig
= atan2((double)srcY
, (double)srcX
) - rad
;
1674 wxCoord dstX
= (wxCoord
)(r
*cos(angleOrig
) + 0.5),
1675 dstY
= (wxCoord
)(r
*sin(angleOrig
) + 0.5);
1678 bool textPixel
= data
[(srcY
*w
+ srcX
)*3] != 0xff;
1679 if ( textPixel
|| (m_backgroundMode
== wxSOLID
) )
1681 // change colour if needed
1682 if ( textPixel
!= textColSet
)
1684 gdk_gc_set_foreground( m_textGC
, textPixel
? colText
1687 textColSet
= textPixel
;
1690 // don't use DrawPoint() because it uses the current pen
1691 // colour, and we don't need it here
1692 gdk_draw_point( m_window
, m_textGC
,
1693 XLOG2DEV(x
) + dstX
, YLOG2DEV(y
) + dstY
);
1698 // it would be better to draw with non underlined font and draw the line
1699 // manually here (it would be more straight...)
1701 if ( m_font
.GetUnderlined() )
1703 gdk_draw_line( m_window
, m_textGC
,
1704 XLOG2DEV(x
+ x4
), YLOG2DEV(y
+ y4
+ font
->descent
),
1705 XLOG2DEV(x
+ x3
), YLOG2DEV(y
+ y3
+ font
->descent
));
1709 // restore the font colour
1710 gdk_gc_set_foreground( m_textGC
, colText
);
1712 // update the bounding box
1713 CalcBoundingBox(x
+ minX
, y
+ minY
);
1714 CalcBoundingBox(x
+ maxX
, y
+ maxY
);
1717 void wxWindowDC::DoGetTextExtent(const wxString
&string
,
1718 wxCoord
*width
, wxCoord
*height
,
1719 wxCoord
*descent
, wxCoord
*externalLeading
,
1720 wxFont
*theFont
) const
1728 if ( externalLeading
)
1729 *externalLeading
= 0;
1731 if (string
.IsEmpty())
1737 // Set new font description
1739 pango_layout_set_font_description( m_layout
, theFont
->GetNativeFontInfo()->description
);
1741 // Set layout's text
1743 const wxCharBuffer data
= wxConvUTF8
.cWC2MB( string
);
1744 const char *dataUTF8
= (const char *)data
;
1746 const wxWCharBuffer wdata
= wxConvLocal
.cMB2WC( string
);
1749 if (width
) (*width
) = 0;
1750 if (height
) (*height
) = 0;
1753 const wxCharBuffer data
= wxConvUTF8
.cWC2MB( wdata
);
1754 const char *dataUTF8
= (const char *)data
;
1759 // hardly ideal, but what else can we do if conversion failed?
1763 pango_layout_set_text( m_layout
, dataUTF8
, strlen(dataUTF8
) );
1766 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1769 *width
= (wxCoord
) w
;
1771 *height
= (wxCoord
) h
;
1774 PangoLayoutIter
*iter
= pango_layout_get_iter(m_layout
);
1775 int baseline
= pango_layout_iter_get_baseline(iter
);
1776 pango_layout_iter_free(iter
);
1777 *descent
= h
- PANGO_PIXELS(baseline
);
1780 // Reset old font description
1782 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1784 wxFont fontToUse
= m_font
;
1786 fontToUse
= *theFont
;
1788 GdkFont
*font
= fontToUse
.GetInternalFont( m_scaleY
);
1793 *width
= wxCoord(gdk_string_width( font
, string
.mbc_str() ) / m_scaleX
);
1795 *height
= wxCoord((font
->ascent
+ font
->descent
) / m_scaleY
);
1797 *descent
= wxCoord(font
->descent
/ m_scaleY
);
1801 wxCoord
wxWindowDC::GetCharWidth() const
1804 pango_layout_set_text( m_layout
, "H", 1 );
1806 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1809 GdkFont
*font
= m_font
.GetInternalFont( m_scaleY
);
1810 wxCHECK_MSG( font
, -1, wxT("invalid font") );
1812 return wxCoord(gdk_string_width( font
, "H" ) / m_scaleX
);
1816 wxCoord
wxWindowDC::GetCharHeight() const
1819 pango_layout_set_text( m_layout
, "H", 1 );
1821 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1824 GdkFont
*font
= m_font
.GetInternalFont( m_scaleY
);
1825 wxCHECK_MSG( font
, -1, wxT("invalid font") );
1827 return wxCoord((font
->ascent
+ font
->descent
) / m_scaleY
);
1831 void wxWindowDC::Clear()
1833 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1835 if (!m_window
) return;
1837 // VZ: the code below results in infinite recursion and crashes when
1838 // dc.Clear() is done from OnPaint() so I disable it for now.
1839 // I don't know what the correct fix is but Clear() surely should not
1840 // reenter OnPaint()!
1842 /* - we either are a memory dc or have a window as the
1843 owner. anything else shouldn't happen.
1844 - we don't use gdk_window_clear() as we don't set
1845 the window's background colour anymore. it is too
1846 much pain to keep the DC's and the window's back-
1847 ground colour in synch. */
1858 GetSize( &width
, &height
);
1859 gdk_draw_rectangle( m_window
, m_bgGC
, TRUE
, 0, 0, width
, height
);
1864 GetSize( &width
, &height
);
1865 gdk_draw_rectangle( m_window
, m_bgGC
, TRUE
, 0, 0, width
, height
);
1869 void wxWindowDC::SetFont( const wxFont
&font
)
1877 pango_font_description_free( m_fontdesc
);
1879 m_fontdesc
= pango_font_description_copy( m_font
.GetNativeFontInfo()->description
);
1884 PangoContext
*oldContext
= m_context
;
1886 // We might want to use the X11 context for faster
1887 // rendering on screen
1888 if (m_font
.GetNoAntiAliasing())
1889 m_context
= m_owner
->GtkGetPangoX11Context();
1891 m_context
= m_owner
->GtkGetPangoDefaultContext();
1893 // If we switch back/forth between different contexts
1894 // we also have to create a new layout. I think so,
1895 // at least, and it doesn't hurt to do it.
1896 if (oldContext
!= m_context
)
1899 g_object_unref( G_OBJECT( m_layout
) );
1901 m_layout
= pango_layout_new( m_context
);
1905 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1910 void wxWindowDC::SetPen( const wxPen
&pen
)
1912 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1914 if (m_pen
== pen
) return;
1918 if (!m_pen
.Ok()) return;
1920 if (!m_window
) return;
1922 gint width
= m_pen
.GetWidth();
1925 // CMB: if width is non-zero scale it with the dc
1930 // X doesn't allow different width in x and y and so we take
1933 ( fabs((double) XLOG2DEVREL(width
)) +
1934 fabs((double) YLOG2DEVREL(width
)) ) / 2.0;
1938 // width can't be 0 or an internal GTK error occurs inside
1939 // gdk_gc_set_dashes() below
1944 static const wxGTKDash dotted
[] = {1, 1};
1945 static const wxGTKDash short_dashed
[] = {2, 2};
1946 static const wxGTKDash wxCoord_dashed
[] = {2, 4};
1947 static const wxGTKDash dotted_dashed
[] = {3, 3, 1, 3};
1949 // We express dash pattern in pen width unit, so we are
1950 // independent of zoom factor and so on...
1952 const wxGTKDash
*req_dash
;
1954 GdkLineStyle lineStyle
= GDK_LINE_SOLID
;
1955 switch (m_pen
.GetStyle())
1959 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1960 req_nb_dash
= m_pen
.GetDashCount();
1961 req_dash
= (wxGTKDash
*)m_pen
.GetDash();
1966 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1973 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1975 req_dash
= wxCoord_dashed
;
1980 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1982 req_dash
= short_dashed
;
1987 // lineStyle = GDK_LINE_DOUBLE_DASH;
1988 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1990 req_dash
= dotted_dashed
;
1995 case wxSTIPPLE_MASK_OPAQUE
:
2000 lineStyle
= GDK_LINE_SOLID
;
2001 req_dash
= (wxGTKDash
*)NULL
;
2007 #if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1)
2008 if (req_dash
&& req_nb_dash
)
2010 wxGTKDash
*real_req_dash
= new wxGTKDash
[req_nb_dash
];
2013 for (int i
= 0; i
< req_nb_dash
; i
++)
2014 real_req_dash
[i
] = req_dash
[i
] * width
;
2015 gdk_gc_set_dashes( m_penGC
, 0, real_req_dash
, req_nb_dash
);
2016 delete[] real_req_dash
;
2020 // No Memory. We use non-scaled dash pattern...
2021 gdk_gc_set_dashes( m_penGC
, 0, (wxGTKDash
*)req_dash
, req_nb_dash
);
2024 #endif // GTK+ > 1.0
2026 GdkCapStyle capStyle
= GDK_CAP_ROUND
;
2027 switch (m_pen
.GetCap())
2029 case wxCAP_PROJECTING
: { capStyle
= GDK_CAP_PROJECTING
; break; }
2030 case wxCAP_BUTT
: { capStyle
= GDK_CAP_BUTT
; break; }
2037 capStyle
= GDK_CAP_NOT_LAST
;
2041 capStyle
= GDK_CAP_ROUND
;
2047 GdkJoinStyle joinStyle
= GDK_JOIN_ROUND
;
2048 switch (m_pen
.GetJoin())
2050 case wxJOIN_BEVEL
: { joinStyle
= GDK_JOIN_BEVEL
; break; }
2051 case wxJOIN_MITER
: { joinStyle
= GDK_JOIN_MITER
; break; }
2053 default: { joinStyle
= GDK_JOIN_ROUND
; break; }
2056 gdk_gc_set_line_attributes( m_penGC
, width
, lineStyle
, capStyle
, joinStyle
);
2058 m_pen
.GetColour().CalcPixel( m_cmap
);
2059 gdk_gc_set_foreground( m_penGC
, m_pen
.GetColour().GetColor() );
2062 void wxWindowDC::SetBrush( const wxBrush
&brush
)
2064 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2066 if (m_brush
== brush
) return;
2070 if (!m_brush
.Ok()) return;
2072 if (!m_window
) return;
2074 m_brush
.GetColour().CalcPixel( m_cmap
);
2075 gdk_gc_set_foreground( m_brushGC
, m_brush
.GetColour().GetColor() );
2077 gdk_gc_set_fill( m_brushGC
, GDK_SOLID
);
2079 if ((m_brush
.GetStyle() == wxSTIPPLE
) && (m_brush
.GetStipple()->Ok()))
2081 if (m_brush
.GetStipple()->GetPixmap())
2083 gdk_gc_set_fill( m_brushGC
, GDK_TILED
);
2084 gdk_gc_set_tile( m_brushGC
, m_brush
.GetStipple()->GetPixmap() );
2088 gdk_gc_set_fill( m_brushGC
, GDK_STIPPLED
);
2089 gdk_gc_set_stipple( m_brushGC
, m_brush
.GetStipple()->GetBitmap() );
2093 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
2095 gdk_gc_set_fill( m_textGC
, GDK_OPAQUE_STIPPLED
);
2096 gdk_gc_set_stipple( m_textGC
, m_brush
.GetStipple()->GetMask()->GetBitmap() );
2099 if (IS_HATCH(m_brush
.GetStyle()))
2101 gdk_gc_set_fill( m_brushGC
, GDK_STIPPLED
);
2102 int num
= m_brush
.GetStyle() - wxBDIAGONAL_HATCH
;
2103 gdk_gc_set_stipple( m_brushGC
, hatches
[num
] );
2107 void wxWindowDC::SetBackground( const wxBrush
&brush
)
2109 /* CMB 21/7/98: Added SetBackground. Sets background brush
2110 * for Clear() and bg colour for shapes filled with cross-hatch brush */
2112 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2114 if (m_backgroundBrush
== brush
) return;
2116 m_backgroundBrush
= brush
;
2118 if (!m_backgroundBrush
.Ok()) return;
2120 if (!m_window
) return;
2122 m_backgroundBrush
.GetColour().CalcPixel( m_cmap
);
2123 gdk_gc_set_background( m_brushGC
, m_backgroundBrush
.GetColour().GetColor() );
2124 gdk_gc_set_background( m_penGC
, m_backgroundBrush
.GetColour().GetColor() );
2125 gdk_gc_set_background( m_bgGC
, m_backgroundBrush
.GetColour().GetColor() );
2126 gdk_gc_set_foreground( m_bgGC
, m_backgroundBrush
.GetColour().GetColor() );
2128 gdk_gc_set_fill( m_bgGC
, GDK_SOLID
);
2130 if ((m_backgroundBrush
.GetStyle() == wxSTIPPLE
) && (m_backgroundBrush
.GetStipple()->Ok()))
2132 if (m_backgroundBrush
.GetStipple()->GetPixmap())
2134 gdk_gc_set_fill( m_bgGC
, GDK_TILED
);
2135 gdk_gc_set_tile( m_bgGC
, m_backgroundBrush
.GetStipple()->GetPixmap() );
2139 gdk_gc_set_fill( m_bgGC
, GDK_STIPPLED
);
2140 gdk_gc_set_stipple( m_bgGC
, m_backgroundBrush
.GetStipple()->GetBitmap() );
2144 if (IS_HATCH(m_backgroundBrush
.GetStyle()))
2146 gdk_gc_set_fill( m_bgGC
, GDK_STIPPLED
);
2147 int num
= m_backgroundBrush
.GetStyle() - wxBDIAGONAL_HATCH
;
2148 gdk_gc_set_stipple( m_bgGC
, hatches
[num
] );
2152 void wxWindowDC::SetLogicalFunction( int function
)
2154 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2156 if (m_logicalFunction
== function
)
2159 // VZ: shouldn't this be a CHECK?
2166 case wxXOR
: mode
= GDK_XOR
; break;
2167 case wxINVERT
: mode
= GDK_INVERT
; break;
2168 #if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1)
2169 case wxOR_REVERSE
: mode
= GDK_OR_REVERSE
; break;
2170 case wxAND_REVERSE
: mode
= GDK_AND_REVERSE
; break;
2171 case wxCLEAR
: mode
= GDK_CLEAR
; break;
2172 case wxSET
: mode
= GDK_SET
; break;
2173 case wxOR_INVERT
: mode
= GDK_OR_INVERT
; break;
2174 case wxAND
: mode
= GDK_AND
; break;
2175 case wxOR
: mode
= GDK_OR
; break;
2176 case wxEQUIV
: mode
= GDK_EQUIV
; break;
2177 case wxNAND
: mode
= GDK_NAND
; break;
2178 case wxAND_INVERT
: mode
= GDK_AND_INVERT
; break;
2179 case wxCOPY
: mode
= GDK_COPY
; break;
2180 case wxNO_OP
: mode
= GDK_NOOP
; break;
2181 case wxSRC_INVERT
: mode
= GDK_COPY_INVERT
; break;
2183 // unsupported by GTK
2184 case wxNOR
: mode
= GDK_COPY
; break;
2185 #endif // GTK+ > 1.0
2187 wxFAIL_MSG( wxT("unsupported logical function") );
2191 m_logicalFunction
= function
;
2193 gdk_gc_set_function( m_penGC
, mode
);
2194 gdk_gc_set_function( m_brushGC
, mode
);
2196 // to stay compatible with wxMSW, we don't apply ROPs to the text
2197 // operations (i.e. DrawText/DrawRotatedText).
2198 // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
2199 gdk_gc_set_function( m_textGC
, mode
);
2202 void wxWindowDC::SetTextForeground( const wxColour
&col
)
2204 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2206 // don't set m_textForegroundColour to an invalid colour as we'd crash
2207 // later then (we use m_textForegroundColour.GetColor() without checking
2209 if ( !col
.Ok() || (m_textForegroundColour
== col
) )
2212 m_textForegroundColour
= col
;
2216 m_textForegroundColour
.CalcPixel( m_cmap
);
2217 gdk_gc_set_foreground( m_textGC
, m_textForegroundColour
.GetColor() );
2221 void wxWindowDC::SetTextBackground( const wxColour
&col
)
2223 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2226 if ( !col
.Ok() || (m_textBackgroundColour
== col
) )
2229 m_textBackgroundColour
= col
;
2233 m_textBackgroundColour
.CalcPixel( m_cmap
);
2234 gdk_gc_set_background( m_textGC
, m_textBackgroundColour
.GetColor() );
2238 void wxWindowDC::SetBackgroundMode( int mode
)
2240 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2242 m_backgroundMode
= mode
;
2244 if (!m_window
) return;
2246 // CMB 21/7/98: fill style of cross-hatch brushes is affected by
2247 // transparent/solid background mode
2249 if (m_brush
.GetStyle() != wxSOLID
&& m_brush
.GetStyle() != wxTRANSPARENT
)
2251 gdk_gc_set_fill( m_brushGC
,
2252 (m_backgroundMode
== wxTRANSPARENT
) ? GDK_STIPPLED
: GDK_OPAQUE_STIPPLED
);
2256 void wxWindowDC::SetPalette( const wxPalette
& WXUNUSED(palette
) )
2258 wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
2261 void wxWindowDC::DoSetClippingRegion( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
2263 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2265 if (!m_window
) return;
2268 rect
.x
= XLOG2DEV(x
);
2269 rect
.y
= YLOG2DEV(y
);
2270 rect
.width
= XLOG2DEVREL(width
);
2271 rect
.height
= YLOG2DEVREL(height
);
2273 if (!m_currentClippingRegion
.IsNull())
2274 m_currentClippingRegion
.Intersect( rect
);
2276 m_currentClippingRegion
.Union( rect
);
2278 #if USE_PAINT_REGION
2279 if (!m_paintClippingRegion
.IsNull())
2280 m_currentClippingRegion
.Intersect( m_paintClippingRegion
);
2283 wxCoord xx
, yy
, ww
, hh
;
2284 m_currentClippingRegion
.GetBox( xx
, yy
, ww
, hh
);
2285 wxDC::DoSetClippingRegion( xx
, yy
, ww
, hh
);
2287 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2288 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2289 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2290 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2293 void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion
®ion
)
2295 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2299 DestroyClippingRegion();
2303 if (!m_window
) return;
2305 if (!m_currentClippingRegion
.IsNull())
2306 m_currentClippingRegion
.Intersect( region
);
2308 m_currentClippingRegion
.Union( region
);
2310 #if USE_PAINT_REGION
2311 if (!m_paintClippingRegion
.IsNull())
2312 m_currentClippingRegion
.Intersect( m_paintClippingRegion
);
2315 wxCoord xx
, yy
, ww
, hh
;
2316 m_currentClippingRegion
.GetBox( xx
, yy
, ww
, hh
);
2317 wxDC::DoSetClippingRegion( xx
, yy
, ww
, hh
);
2319 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2320 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2321 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2322 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2325 void wxWindowDC::DestroyClippingRegion()
2327 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2329 wxDC::DestroyClippingRegion();
2331 m_currentClippingRegion
.Clear();
2333 #if USE_PAINT_REGION
2334 if (!m_paintClippingRegion
.IsEmpty())
2335 m_currentClippingRegion
.Union( m_paintClippingRegion
);
2338 if (!m_window
) return;
2340 if (m_currentClippingRegion
.IsEmpty())
2342 gdk_gc_set_clip_rectangle( m_penGC
, (GdkRectangle
*) NULL
);
2343 gdk_gc_set_clip_rectangle( m_brushGC
, (GdkRectangle
*) NULL
);
2344 gdk_gc_set_clip_rectangle( m_textGC
, (GdkRectangle
*) NULL
);
2345 gdk_gc_set_clip_rectangle( m_bgGC
, (GdkRectangle
*) NULL
);
2349 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2350 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2351 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2352 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2356 void wxWindowDC::Destroy()
2358 if (m_penGC
) wxFreePoolGC( m_penGC
);
2359 m_penGC
= (GdkGC
*) NULL
;
2360 if (m_brushGC
) wxFreePoolGC( m_brushGC
);
2361 m_brushGC
= (GdkGC
*) NULL
;
2362 if (m_textGC
) wxFreePoolGC( m_textGC
);
2363 m_textGC
= (GdkGC
*) NULL
;
2364 if (m_bgGC
) wxFreePoolGC( m_bgGC
);
2365 m_bgGC
= (GdkGC
*) NULL
;
2368 void wxWindowDC::ComputeScaleAndOrigin()
2370 /* CMB: copy scale to see if it changes */
2371 double origScaleX
= m_scaleX
;
2372 double origScaleY
= m_scaleY
;
2374 wxDC::ComputeScaleAndOrigin();
2376 /* CMB: if scale has changed call SetPen to recalulate the line width */
2377 if ((m_scaleX
!= origScaleX
|| m_scaleY
!= origScaleY
) &&
2380 /* this is a bit artificial, but we need to force wxDC to think
2381 the pen has changed */
2388 // Resolution in pixels per logical inch
2389 wxSize
wxWindowDC::GetPPI() const
2391 return wxSize( (int) (m_mm_to_pix_x
* 25.4 + 0.5), (int) (m_mm_to_pix_y
* 25.4 + 0.5));
2394 int wxWindowDC::GetDepth() const
2396 wxFAIL_MSG(wxT("not implemented"));
2402 //-----------------------------------------------------------------------------
2404 //-----------------------------------------------------------------------------
2406 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC
, wxClientDC
)
2408 // Limit the paint region to the window size. Sometimes
2409 // the paint region is too big, and this risks X11 errors
2410 static void wxLimitRegionToSize(wxRegion
& region
, const wxSize
& sz
)
2412 wxRect originalRect
= region
.GetBox();
2413 wxRect
rect(originalRect
);
2414 if (rect
.width
+ rect
.x
> sz
.x
)
2415 rect
.width
= sz
.x
- rect
.x
;
2416 if (rect
.height
+ rect
.y
> sz
.y
)
2417 rect
.height
= sz
.y
- rect
.y
;
2418 if (rect
!= originalRect
)
2420 region
= wxRegion(rect
);
2421 wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
2422 originalRect
.x
, originalRect
.y
, originalRect
.width
, originalRect
.height
,
2423 rect
.x
, rect
.y
, rect
.width
, rect
.height
);
2427 wxPaintDC::wxPaintDC( wxWindow
*win
)
2430 #if USE_PAINT_REGION
2431 if (!win
->m_clipPaintRegion
)
2434 wxSize sz
= win
->GetSize();
2435 m_paintClippingRegion
= win
->GetUpdateRegion();
2436 wxLimitRegionToSize(m_paintClippingRegion
, sz
);
2438 GdkRegion
*region
= m_paintClippingRegion
.GetRegion();
2441 m_currentClippingRegion
.Union( m_paintClippingRegion
);
2442 wxLimitRegionToSize(m_currentClippingRegion
, sz
);
2444 if (sz
.x
<= 0 || sz
.y
<= 0)
2447 gdk_gc_set_clip_region( m_penGC
, region
);
2448 gdk_gc_set_clip_region( m_brushGC
, region
);
2449 gdk_gc_set_clip_region( m_textGC
, region
);
2450 gdk_gc_set_clip_region( m_bgGC
, region
);
2452 #endif // USE_PAINT_REGION
2455 //-----------------------------------------------------------------------------
2457 //-----------------------------------------------------------------------------
2459 IMPLEMENT_DYNAMIC_CLASS(wxClientDC
, wxWindowDC
)
2461 wxClientDC::wxClientDC( wxWindow
*win
)
2464 wxCHECK_RET( win
, _T("NULL window in wxClientDC::wxClientDC") );
2466 #ifdef __WXUNIVERSAL__
2467 wxPoint ptOrigin
= win
->GetClientAreaOrigin();
2468 SetDeviceOrigin(ptOrigin
.x
, ptOrigin
.y
);
2469 wxSize size
= win
->GetClientSize();
2470 SetClippingRegion(wxPoint(0, 0), size
);
2471 #endif // __WXUNIVERSAL__
2474 void wxClientDC::DoGetSize(int *width
, int *height
) const
2476 wxCHECK_RET( m_owner
, _T("GetSize() doesn't work without window") );
2478 m_owner
->GetClientSize( width
, height
);
2481 // ----------------------------------------------------------------------------
2483 // ----------------------------------------------------------------------------
2485 class wxDCModule
: public wxModule
2492 DECLARE_DYNAMIC_CLASS(wxDCModule
)
2495 IMPLEMENT_DYNAMIC_CLASS(wxDCModule
, wxModule
)
2497 bool wxDCModule::OnInit()
2503 void wxDCModule::OnExit()