1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/dcclient.cpp
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling, Chris Breeze
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
14 #define XCopyPlane XCOPYPLANE
17 #include "wx/dcclient.h"
21 #include "wx/dcmemory.h"
22 #include "wx/math.h" // for floating-point functions
26 #include "wx/module.h"
27 #include "wx/fontutil.h"
29 #include "wx/gtk/win_gtk.h"
30 #include "wx/gtk/private.h"
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"
86 void gdk_wx_draw_bitmap(GdkDrawable
*drawable
,
96 wxCHECK_RET( drawable
, _T("NULL drawable in gdk_wx_draw_bitmap") );
97 wxCHECK_RET( src
, _T("NULL src in gdk_wx_draw_bitmap") );
98 wxCHECK_RET( gc
, _T("NULL gc in gdk_wx_draw_bitmap") );
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
),
115 //-----------------------------------------------------------------------------
116 // Implement Pool of Graphic contexts. Creating them takes too much time.
117 //-----------------------------------------------------------------------------
143 #define GC_POOL_ALLOC_SIZE 100
145 static int wxGCPoolSize
= 0;
147 static wxGC
*wxGCPool
= NULL
;
149 static void wxInitGCPool()
151 // This really could wait until the first call to
152 // wxGetPoolGC, but we will make the first allocation
153 // now when other initialization is being performed.
155 // Set initial pool size.
156 wxGCPoolSize
= GC_POOL_ALLOC_SIZE
;
158 // Allocate initial pool.
159 wxGCPool
= (wxGC
*)malloc(wxGCPoolSize
* sizeof(wxGC
));
160 if (wxGCPool
== NULL
)
162 // If we cannot malloc, then fail with error
163 // when debug is enabled. If debug is not enabled,
164 // the problem will eventually get caught
166 wxFAIL_MSG( wxT("Cannot allocate GC pool") );
170 // Zero initial pool.
171 memset(wxGCPool
, 0, wxGCPoolSize
* sizeof(wxGC
));
174 static void wxCleanUpGCPool()
176 for (int i
= 0; i
< wxGCPoolSize
; i
++)
178 if (wxGCPool
[i
].m_gc
)
179 g_object_unref (wxGCPool
[i
].m_gc
);
187 static GdkGC
* wxGetPoolGC( GdkWindow
*window
, wxPoolGCType type
)
191 // Look for an available GC.
192 for (int i
= 0; i
< wxGCPoolSize
; i
++)
194 if (!wxGCPool
[i
].m_gc
)
196 wxGCPool
[i
].m_gc
= gdk_gc_new( window
);
197 gdk_gc_set_exposures( wxGCPool
[i
].m_gc
, FALSE
);
198 wxGCPool
[i
].m_type
= type
;
199 wxGCPool
[i
].m_used
= false;
201 if ((!wxGCPool
[i
].m_used
) && (wxGCPool
[i
].m_type
== type
))
203 wxGCPool
[i
].m_used
= true;
204 return wxGCPool
[i
].m_gc
;
208 // We did not find an available GC.
209 // We need to grow the GC pool.
210 pptr
= (wxGC
*)realloc(wxGCPool
,
211 (wxGCPoolSize
+ GC_POOL_ALLOC_SIZE
)*sizeof(wxGC
));
214 // Initialize newly allocated pool.
216 memset(&wxGCPool
[wxGCPoolSize
], 0,
217 GC_POOL_ALLOC_SIZE
*sizeof(wxGC
));
219 // Initialize entry we will return.
220 wxGCPool
[wxGCPoolSize
].m_gc
= gdk_gc_new( window
);
221 gdk_gc_set_exposures( wxGCPool
[wxGCPoolSize
].m_gc
, FALSE
);
222 wxGCPool
[wxGCPoolSize
].m_type
= type
;
223 wxGCPool
[wxGCPoolSize
].m_used
= true;
225 // Set new value of pool size.
226 wxGCPoolSize
+= GC_POOL_ALLOC_SIZE
;
228 // Return newly allocated entry.
229 return wxGCPool
[wxGCPoolSize
-GC_POOL_ALLOC_SIZE
].m_gc
;
232 // The realloc failed. Fall through to error.
233 wxFAIL_MSG( wxT("No GC available") );
235 return (GdkGC
*) NULL
;
238 static void wxFreePoolGC( GdkGC
*gc
)
240 for (int i
= 0; i
< wxGCPoolSize
; i
++)
242 if (wxGCPool
[i
].m_gc
== gc
)
244 wxGCPool
[i
].m_used
= false;
249 wxFAIL_MSG( wxT("Wrong GC") );
252 //-----------------------------------------------------------------------------
254 //-----------------------------------------------------------------------------
256 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC
, wxDC
)
258 wxWindowDC::wxWindowDC()
260 m_penGC
= (GdkGC
*) NULL
;
261 m_brushGC
= (GdkGC
*) NULL
;
262 m_textGC
= (GdkGC
*) NULL
;
263 m_bgGC
= (GdkGC
*) NULL
;
264 m_cmap
= (GdkColormap
*) NULL
;
266 m_isScreenDC
= false;
267 m_owner
= (wxWindow
*)NULL
;
268 m_context
= (PangoContext
*)NULL
;
269 m_layout
= (PangoLayout
*)NULL
;
270 m_fontdesc
= (PangoFontDescription
*)NULL
;
273 wxWindowDC::wxWindowDC( wxWindow
*window
)
275 wxASSERT_MSG( window
, wxT("DC needs a window") );
277 m_penGC
= (GdkGC
*) NULL
;
278 m_brushGC
= (GdkGC
*) NULL
;
279 m_textGC
= (GdkGC
*) NULL
;
280 m_bgGC
= (GdkGC
*) NULL
;
281 m_cmap
= (GdkColormap
*) NULL
;
282 m_owner
= (wxWindow
*)NULL
;
284 m_isScreenDC
= false;
285 m_font
= window
->GetFont();
287 GtkWidget
*widget
= window
->m_wxwindow
;
289 // Some controls don't have m_wxwindow - like wxStaticBox, but the user
290 // code should still be able to create wxClientDCs for them, so we will
291 // use the parent window here then.
294 window
= window
->GetParent();
295 widget
= window
->m_wxwindow
;
298 wxASSERT_MSG( widget
, wxT("DC needs a widget") );
300 m_context
= window
->GtkGetPangoDefaultContext();
301 m_layout
= pango_layout_new( m_context
);
302 m_fontdesc
= pango_font_description_copy( widget
->style
->font_desc
);
304 GtkPizza
*pizza
= GTK_PIZZA( widget
);
305 m_window
= pizza
->bin_window
;
307 // Window not realized ?
310 // Don't report problems as per MSW.
316 m_cmap
= gtk_widget_get_colormap( widget
? widget
: window
->m_widget
);
320 /* this must be done after SetUpDC, bacause SetUpDC calls the
321 repective SetBrush, SetPen, SetBackground etc functions
322 to set up the DC. SetBackground call m_owner->SetBackground
323 and this might not be desired as the standard dc background
324 is white whereas a window might assume gray to be the
325 standard (as e.g. wxStatusBar) */
330 wxWindowDC::~wxWindowDC()
335 g_object_unref (m_layout
);
337 pango_font_description_free( m_fontdesc
);
340 void wxWindowDC::SetUpDC()
344 wxASSERT_MSG( !m_penGC
, wxT("GCs already created") );
348 m_penGC
= wxGetPoolGC( m_window
, wxPEN_SCREEN
);
349 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_SCREEN
);
350 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_SCREEN
);
351 m_bgGC
= wxGetPoolGC( m_window
, wxBG_SCREEN
);
354 if (m_isMemDC
&& (((wxMemoryDC
*)this)->m_selected
.GetDepth() == 1))
356 m_penGC
= wxGetPoolGC( m_window
, wxPEN_MONO
);
357 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_MONO
);
358 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_MONO
);
359 m_bgGC
= wxGetPoolGC( m_window
, wxBG_MONO
);
363 m_penGC
= wxGetPoolGC( m_window
, wxPEN_COLOUR
);
364 m_brushGC
= wxGetPoolGC( m_window
, wxBRUSH_COLOUR
);
365 m_textGC
= wxGetPoolGC( m_window
, wxTEXT_COLOUR
);
366 m_bgGC
= wxGetPoolGC( m_window
, wxBG_COLOUR
);
369 /* background colour */
370 m_backgroundBrush
= *wxWHITE_BRUSH
;
371 m_backgroundBrush
.GetColour().CalcPixel( m_cmap
);
373 const GdkColor
*bg_col
= m_backgroundBrush
.GetColour().GetColor();
375 GdkColor
*bg_col
= m_backgroundBrush
.GetColour().GetColor();
379 m_textForegroundColour
.CalcPixel( m_cmap
);
380 gdk_gc_set_foreground( m_textGC
, m_textForegroundColour
.GetColor() );
382 m_textBackgroundColour
.CalcPixel( m_cmap
);
383 gdk_gc_set_background( m_textGC
, m_textBackgroundColour
.GetColor() );
385 gdk_gc_set_fill( m_textGC
, GDK_SOLID
);
388 m_pen
.GetColour().CalcPixel( m_cmap
);
389 gdk_gc_set_foreground( m_penGC
, m_pen
.GetColour().GetColor() );
390 gdk_gc_set_background( m_penGC
, bg_col
);
392 gdk_gc_set_line_attributes( m_penGC
, 0, GDK_LINE_SOLID
, GDK_CAP_NOT_LAST
, GDK_JOIN_ROUND
);
395 m_brush
.GetColour().CalcPixel( m_cmap
);
396 gdk_gc_set_foreground( m_brushGC
, m_brush
.GetColour().GetColor() );
397 gdk_gc_set_background( m_brushGC
, bg_col
);
399 gdk_gc_set_fill( m_brushGC
, GDK_SOLID
);
402 gdk_gc_set_background( m_bgGC
, bg_col
);
403 gdk_gc_set_foreground( m_bgGC
, bg_col
);
405 gdk_gc_set_fill( m_bgGC
, GDK_SOLID
);
408 gdk_gc_set_function( m_textGC
, GDK_COPY
);
409 gdk_gc_set_function( m_brushGC
, GDK_COPY
);
410 gdk_gc_set_function( m_penGC
, GDK_COPY
);
413 gdk_gc_set_clip_rectangle( m_penGC
, (GdkRectangle
*) NULL
);
414 gdk_gc_set_clip_rectangle( m_brushGC
, (GdkRectangle
*) NULL
);
415 gdk_gc_set_clip_rectangle( m_textGC
, (GdkRectangle
*) NULL
);
416 gdk_gc_set_clip_rectangle( m_bgGC
, (GdkRectangle
*) NULL
);
420 hatch_bitmap
= hatches
;
421 hatch_bitmap
[0] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, bdiag_bits
, bdiag_width
, bdiag_height
);
422 hatch_bitmap
[1] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, cdiag_bits
, cdiag_width
, cdiag_height
);
423 hatch_bitmap
[2] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, fdiag_bits
, fdiag_width
, fdiag_height
);
424 hatch_bitmap
[3] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, cross_bits
, cross_width
, cross_height
);
425 hatch_bitmap
[4] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, horiz_bits
, horiz_width
, horiz_height
);
426 hatch_bitmap
[5] = gdk_bitmap_create_from_data( (GdkWindow
*) NULL
, verti_bits
, verti_width
, verti_height
);
430 void wxWindowDC::DoGetSize( int* width
, int* height
) const
432 wxCHECK_RET( m_owner
, _T("GetSize() doesn't work without window") );
434 m_owner
->GetSize(width
, height
);
437 extern bool wxDoFloodFill(wxDC
*dc
, wxCoord x
, wxCoord y
,
438 const wxColour
& col
, int style
);
440 bool wxWindowDC::DoFloodFill(wxCoord x
, wxCoord y
,
441 const wxColour
& col
, int style
)
443 return wxDoFloodFill(this, x
, y
, col
, style
);
446 bool wxWindowDC::DoGetPixel( wxCoord x1
, wxCoord y1
, wxColour
*col
) const
448 // Generic (and therefore rather inefficient) method.
449 // Could be improved.
451 wxBitmap
bitmap(1, 1);
452 memdc
.SelectObject(bitmap
);
453 memdc
.Blit(0, 0, 1, 1, (wxDC
*) this, x1
, y1
);
454 memdc
.SelectObject(wxNullBitmap
);
456 wxImage image
= bitmap
.ConvertToImage();
457 col
->Set(image
.GetRed(0, 0), image
.GetGreen(0, 0), image
.GetBlue(0, 0));
461 void wxWindowDC::DoDrawLine( wxCoord x1
, wxCoord y1
, wxCoord x2
, wxCoord y2
)
463 wxCHECK_RET( Ok(), wxT("invalid window dc") );
465 if (m_pen
.GetStyle() != wxTRANSPARENT
)
468 gdk_draw_line( m_window
, m_penGC
, XLOG2DEV(x1
), YLOG2DEV(y1
), XLOG2DEV(x2
), YLOG2DEV(y2
) );
470 CalcBoundingBox(x1
, y1
);
471 CalcBoundingBox(x2
, y2
);
475 void wxWindowDC::DoCrossHair( wxCoord x
, wxCoord y
)
477 wxCHECK_RET( Ok(), wxT("invalid window dc") );
479 if (m_pen
.GetStyle() != wxTRANSPARENT
)
484 wxCoord xx
= XLOG2DEV(x
);
485 wxCoord yy
= YLOG2DEV(y
);
488 gdk_draw_line( m_window
, m_penGC
, 0, yy
, XLOG2DEVREL(w
), yy
);
489 gdk_draw_line( m_window
, m_penGC
, xx
, 0, xx
, YLOG2DEVREL(h
) );
494 void wxWindowDC::DoDrawArc( wxCoord x1
, wxCoord y1
, wxCoord x2
, wxCoord y2
,
495 wxCoord xc
, wxCoord yc
)
497 wxCHECK_RET( Ok(), wxT("invalid window dc") );
499 wxCoord xx1
= XLOG2DEV(x1
);
500 wxCoord yy1
= YLOG2DEV(y1
);
501 wxCoord xx2
= XLOG2DEV(x2
);
502 wxCoord yy2
= YLOG2DEV(y2
);
503 wxCoord xxc
= XLOG2DEV(xc
);
504 wxCoord yyc
= YLOG2DEV(yc
);
505 double dx
= xx1
- xxc
;
506 double dy
= yy1
- yyc
;
507 double radius
= sqrt((double)(dx
*dx
+dy
*dy
));
508 wxCoord r
= (wxCoord
)radius
;
509 double radius1
, radius2
;
511 if (xx1
== xx2
&& yy1
== yy2
)
516 else if ( wxIsNullDouble(radius
) )
523 radius1
= (xx1
- xxc
== 0) ?
524 (yy1
- yyc
< 0) ? 90.0 : -90.0 :
525 -atan2(double(yy1
-yyc
), double(xx1
-xxc
)) * RAD2DEG
;
526 radius2
= (xx2
- xxc
== 0) ?
527 (yy2
- yyc
< 0) ? 90.0 : -90.0 :
528 -atan2(double(yy2
-yyc
), double(xx2
-xxc
)) * RAD2DEG
;
530 wxCoord alpha1
= wxCoord(radius1
* 64.0);
531 wxCoord alpha2
= wxCoord((radius2
- radius1
) * 64.0);
532 while (alpha2
<= 0) alpha2
+= 360*64;
533 while (alpha1
> 360*64) alpha1
-= 360*64;
537 if (m_brush
.GetStyle() != wxTRANSPARENT
)
539 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
541 gdk_gc_set_ts_origin( m_textGC
,
542 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
543 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
544 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
545 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
547 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
549 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
550 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
551 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
553 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
555 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
556 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
557 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
559 if (m_brush
.GetStyle() == wxSTIPPLE
)
561 gdk_gc_set_ts_origin( m_brushGC
,
562 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
563 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
564 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
565 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
569 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
573 if (m_pen
.GetStyle() != wxTRANSPARENT
)
575 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xxc
-r
, yyc
-r
, 2*r
,2*r
, alpha1
, alpha2
);
577 gdk_draw_line( m_window
, m_penGC
, xx1
, yy1
, xxc
, yyc
);
578 gdk_draw_line( m_window
, m_penGC
, xxc
, yyc
, xx2
, yy2
);
582 CalcBoundingBox (x1
, y1
);
583 CalcBoundingBox (x2
, y2
);
586 void wxWindowDC::DoDrawEllipticArc( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
, double sa
, double ea
)
588 wxCHECK_RET( Ok(), wxT("invalid window dc") );
590 wxCoord xx
= XLOG2DEV(x
);
591 wxCoord yy
= YLOG2DEV(y
);
592 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
593 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
595 // CMB: handle -ve width and/or height
596 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
597 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
601 wxCoord start
= wxCoord(sa
* 64.0);
602 wxCoord end
= wxCoord((ea
-sa
) * 64.0);
604 if (m_brush
.GetStyle() != wxTRANSPARENT
)
606 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
608 gdk_gc_set_ts_origin( m_textGC
,
609 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
610 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
611 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
612 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
614 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
616 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
617 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
618 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
620 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
622 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
623 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
624 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
626 if (m_brush
.GetStyle() == wxSTIPPLE
)
628 gdk_gc_set_ts_origin( m_brushGC
,
629 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
630 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
631 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
632 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
636 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, start
, end
);
640 if (m_pen
.GetStyle() != wxTRANSPARENT
)
641 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
, hh
, start
, end
);
644 CalcBoundingBox (x
, y
);
645 CalcBoundingBox (x
+ width
, y
+ height
);
648 void wxWindowDC::DoDrawPoint( wxCoord x
, wxCoord y
)
650 wxCHECK_RET( Ok(), wxT("invalid window dc") );
652 if ((m_pen
.GetStyle() != wxTRANSPARENT
) && m_window
)
653 gdk_draw_point( m_window
, m_penGC
, XLOG2DEV(x
), YLOG2DEV(y
) );
655 CalcBoundingBox (x
, y
);
658 void wxWindowDC::DoDrawLines( int n
, wxPoint points
[], wxCoord xoffset
, wxCoord yoffset
)
660 wxCHECK_RET( Ok(), wxT("invalid window dc") );
662 if (m_pen
.GetStyle() == wxTRANSPARENT
) return;
665 //Check, if scaling is necessary
670 if (XLOG2DEV(val
)==val
)
671 if (YLOG2DEV(val
)==val
)
674 GdkPoint
*gpts
= NULL
;
677 gpts
= new GdkPoint
[n
];
680 wxFAIL_MSG( wxT("Cannot allocate PolyLine") );
684 for (int i
= 0; i
< n
; i
++)
686 wxCoord x1
= XLOG2DEV(points
[i
].x
+ xoffset
);
687 wxCoord y1
= YLOG2DEV(points
[i
].y
+ yoffset
);
689 CalcBoundingBox( x1
+ xoffset
, y1
+ yoffset
);
696 for (int i
= 0; i
< n
; i
++) {
697 CalcBoundingBox( points
[i
].x
, points
[i
].y
);
700 //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another
701 gpts
= reinterpret_cast<GdkPoint
*>(points
);
705 gdk_draw_lines( m_window
, m_penGC
, gpts
, n
);
711 void wxWindowDC::DoDrawPolygon( int n
, wxPoint points
[], wxCoord xoffset
, wxCoord yoffset
, int WXUNUSED(fillStyle
) )
713 wxCHECK_RET( Ok(), wxT("invalid window dc") );
717 //Check, if scaling is necessary
722 if (XLOG2DEV(val
)==val
)
723 if (YLOG2DEV(val
)==val
){
727 GdkPoint
*gdkpoints
= NULL
;
730 gdkpoints
= new GdkPoint
[n
+1]; //FIXME: Why the "+1"
733 for (i
= 0 ; i
< n
; i
++)
735 gdkpoints
[i
].x
= XLOG2DEV(points
[i
].x
+ xoffset
);
736 gdkpoints
[i
].y
= YLOG2DEV(points
[i
].y
+ yoffset
);
738 CalcBoundingBox( points
[i
].x
+ xoffset
, points
[i
].y
+ yoffset
);
743 for (; i
< n
; ++i
) {
744 CalcBoundingBox( points
[i
].x
, points
[i
].y
);
746 //GdkPoint and wxPoint have the same memory allignment, so we can cast one into another
747 gdkpoints
= reinterpret_cast<GdkPoint
*> (points
);
752 //I think wxSOLID is the most often used style (it is for me),
753 //so I put it in front of the if ... ifelse's
754 if (m_brush
.GetStyle() == wxSOLID
)
756 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
758 if (m_brush
.GetStyle() != wxTRANSPARENT
)
760 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
762 gdk_gc_set_ts_origin( m_textGC
,
763 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
764 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
765 gdk_draw_polygon( m_window
, m_textGC
, TRUE
, gdkpoints
, n
);
766 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
768 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
770 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
771 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
772 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
774 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
776 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
777 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
778 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
780 if (m_brush
.GetStyle() == wxSTIPPLE
)
782 gdk_gc_set_ts_origin( m_brushGC
,
783 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
784 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
785 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
786 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
790 gdk_draw_polygon( m_window
, m_brushGC
, TRUE
, gdkpoints
, n
);
794 if (m_pen
.GetStyle() != wxTRANSPARENT
)
797 for (i = 0 ; i < n ; i++)
799 gdk_draw_line( m_window, m_penGC,
802 gdkpoints[(i+1)%n].x,
803 gdkpoints[(i+1)%n].y);
806 gdk_draw_polygon( m_window
, m_penGC
, FALSE
, gdkpoints
, n
);
815 void wxWindowDC::DoDrawRectangle( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
817 wxCHECK_RET( Ok(), wxT("invalid window dc") );
819 wxCoord xx
= XLOG2DEV(x
);
820 wxCoord yy
= YLOG2DEV(y
);
821 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
822 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
824 // CMB: draw nothing if transformed w or h is 0
825 if (ww
== 0 || hh
== 0) return;
827 // CMB: handle -ve width and/or height
828 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
829 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
833 if (m_brush
.GetStyle() != wxTRANSPARENT
)
835 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
837 gdk_gc_set_ts_origin( m_textGC
,
838 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
839 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
840 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
);
841 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
843 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
845 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
846 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
847 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
849 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
851 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
852 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
853 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
855 if (m_brush
.GetStyle() == wxSTIPPLE
)
857 gdk_gc_set_ts_origin( m_brushGC
,
858 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
859 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
860 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
861 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
865 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
);
869 if (m_pen
.GetStyle() != wxTRANSPARENT
)
870 gdk_draw_rectangle( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
-1, hh
-1 );
873 CalcBoundingBox( x
, y
);
874 CalcBoundingBox( x
+ width
, y
+ height
);
877 void wxWindowDC::DoDrawRoundedRectangle( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
, double radius
)
879 wxCHECK_RET( Ok(), wxT("invalid window dc") );
881 if (radius
< 0.0) radius
= - radius
* ((width
< height
) ? width
: height
);
883 wxCoord xx
= XLOG2DEV(x
);
884 wxCoord yy
= YLOG2DEV(y
);
885 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
886 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
887 wxCoord rr
= XLOG2DEVREL((wxCoord
)radius
);
889 // CMB: handle -ve width and/or height
890 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
891 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
893 // CMB: if radius is zero use DrawRectangle() instead to avoid
894 // X drawing errors with small radii
897 DrawRectangle( x
, y
, width
, height
);
901 // CMB: draw nothing if transformed w or h is 0
902 if (ww
== 0 || hh
== 0) return;
904 // CMB: adjust size if outline is drawn otherwise the result is
905 // 1 pixel too wide and high
906 if (m_pen
.GetStyle() != wxTRANSPARENT
)
914 // CMB: ensure dd is not larger than rectangle otherwise we
915 // get an hour glass shape
917 if (dd
> ww
) dd
= ww
;
918 if (dd
> hh
) dd
= hh
;
921 if (m_brush
.GetStyle() != wxTRANSPARENT
)
923 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
925 gdk_gc_set_ts_origin( m_textGC
,
926 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
927 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
928 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
929 gdk_draw_rectangle( m_window
, m_textGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
930 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
931 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
932 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
933 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
934 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
936 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
938 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
939 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
940 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
941 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
942 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
943 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
944 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
945 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
947 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
949 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
950 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
951 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
952 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
953 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
954 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
955 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
956 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
958 if (m_brush
.GetStyle() == wxSTIPPLE
)
960 gdk_gc_set_ts_origin( m_brushGC
,
961 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
962 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
963 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
964 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
965 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
966 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
967 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
968 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
969 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
973 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
+rr
, yy
, ww
-dd
+1, hh
);
974 gdk_draw_rectangle( m_window
, m_brushGC
, TRUE
, xx
, yy
+rr
, ww
, hh
-dd
+1 );
975 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
976 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
977 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
978 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
982 if (m_pen
.GetStyle() != wxTRANSPARENT
)
984 gdk_draw_line( m_window
, m_penGC
, xx
+rr
+1, yy
, xx
+ww
-rr
, yy
);
985 gdk_draw_line( m_window
, m_penGC
, xx
+rr
+1, yy
+hh
, xx
+ww
-rr
, yy
+hh
);
986 gdk_draw_line( m_window
, m_penGC
, xx
, yy
+rr
+1, xx
, yy
+hh
-rr
);
987 gdk_draw_line( m_window
, m_penGC
, xx
+ww
, yy
+rr
+1, xx
+ww
, yy
+hh
-rr
);
988 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, dd
, dd
, 90*64, 90*64 );
989 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
+ww
-dd
, yy
, dd
, dd
, 0, 90*64 );
990 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
+ww
-dd
, yy
+hh
-dd
, dd
, dd
, 270*64, 90*64 );
991 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
+hh
-dd
, dd
, dd
, 180*64, 90*64 );
995 // this ignores the radius
996 CalcBoundingBox( x
, y
);
997 CalcBoundingBox( x
+ width
, y
+ height
);
1000 void wxWindowDC::DoDrawEllipse( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
1002 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1004 wxCoord xx
= XLOG2DEV(x
);
1005 wxCoord yy
= YLOG2DEV(y
);
1006 wxCoord ww
= m_signX
* XLOG2DEVREL(width
);
1007 wxCoord hh
= m_signY
* YLOG2DEVREL(height
);
1009 // CMB: handle -ve width and/or height
1010 if (ww
< 0) { ww
= -ww
; xx
= xx
- ww
; }
1011 if (hh
< 0) { hh
= -hh
; yy
= yy
- hh
; }
1015 if (m_brush
.GetStyle() != wxTRANSPARENT
)
1017 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
1019 gdk_gc_set_ts_origin( m_textGC
,
1020 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
1021 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
1022 gdk_draw_arc( m_window
, m_textGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1023 gdk_gc_set_ts_origin( m_textGC
, 0, 0 );
1025 if (IS_15_PIX_HATCH(m_brush
.GetStyle()))
1027 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 15, m_deviceOriginY
% 15 );
1028 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1029 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1031 if (IS_16_PIX_HATCH(m_brush
.GetStyle()))
1033 gdk_gc_set_ts_origin( m_brushGC
, m_deviceOriginX
% 16, m_deviceOriginY
% 16 );
1034 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1035 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1037 if (m_brush
.GetStyle() == wxSTIPPLE
)
1039 gdk_gc_set_ts_origin( m_brushGC
,
1040 m_deviceOriginX
% m_brush
.GetStipple()->GetWidth(),
1041 m_deviceOriginY
% m_brush
.GetStipple()->GetHeight() );
1042 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1043 gdk_gc_set_ts_origin( m_brushGC
, 0, 0 );
1047 gdk_draw_arc( m_window
, m_brushGC
, TRUE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1051 if (m_pen
.GetStyle() != wxTRANSPARENT
)
1052 gdk_draw_arc( m_window
, m_penGC
, FALSE
, xx
, yy
, ww
, hh
, 0, 360*64 );
1055 CalcBoundingBox( x
, y
);
1056 CalcBoundingBox( x
+ width
, y
+ height
);
1059 void wxWindowDC::DoDrawIcon( const wxIcon
&icon
, wxCoord x
, wxCoord y
)
1061 // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
1062 DoDrawBitmap( (const wxBitmap
&)icon
, x
, y
, true );
1065 void wxWindowDC::DoDrawBitmap( const wxBitmap
&bitmap
,
1066 wxCoord x
, wxCoord y
,
1069 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1071 wxCHECK_RET( bitmap
.Ok(), wxT("invalid bitmap") );
1073 bool is_mono
= bitmap
.GetDepth() == 1;
1075 // scale/translate size and position
1076 int xx
= XLOG2DEV(x
);
1077 int yy
= YLOG2DEV(y
);
1079 int w
= bitmap
.GetWidth();
1080 int h
= bitmap
.GetHeight();
1082 CalcBoundingBox( x
, y
);
1083 CalcBoundingBox( x
+ w
, y
+ h
);
1085 if (!m_window
) return;
1087 int ww
= XLOG2DEVREL(w
);
1088 int hh
= YLOG2DEVREL(h
);
1090 // compare to current clipping region
1091 if (!m_currentClippingRegion
.IsNull())
1093 wxRegion
tmp( xx
,yy
,ww
,hh
);
1094 tmp
.Intersect( m_currentClippingRegion
);
1099 // scale bitmap if required
1100 wxBitmap use_bitmap
= bitmap
;
1101 if ((w
!= ww
) || (h
!= hh
))
1102 use_bitmap
= use_bitmap
.Rescale( 0, 0, ww
, hh
, ww
, hh
);
1104 #if !GTK_CHECK_VERSION(2,2,0)
1105 // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
1106 // Pixbufs-based bitmaps with alpha channel don't have a mask, so we
1107 // have to call GetPixmap() here -- it converts the pixbuf into pixmap
1108 // and also creates the mask as a side-effect:
1109 use_bitmap
.GetPixmap();
1112 // apply mask if any
1113 GdkBitmap
*mask
= (GdkBitmap
*) NULL
;
1114 if (use_bitmap
.GetMask()) mask
= use_bitmap
.GetMask()->GetBitmap();
1116 GdkBitmap
*new_mask
= (GdkBitmap
*) NULL
;
1118 if (useMask
&& mask
)
1120 if (!m_currentClippingRegion
.IsNull())
1123 new_mask
= gdk_pixmap_new( wxGetRootWindow()->window
, ww
, hh
, 1 );
1124 GdkGC
*gc
= gdk_gc_new( new_mask
);
1126 gdk_gc_set_foreground( gc
, &col
);
1127 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, ww
, hh
);
1129 gdk_gc_set_background( gc
, &col
);
1131 gdk_gc_set_foreground( gc
, &col
);
1132 gdk_gc_set_clip_region( gc
, m_currentClippingRegion
.GetRegion() );
1133 gdk_gc_set_clip_origin( gc
, -xx
, -yy
);
1134 gdk_gc_set_fill( gc
, GDK_OPAQUE_STIPPLED
);
1135 gdk_gc_set_stipple( gc
, mask
);
1136 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, ww
, hh
);
1137 g_object_unref (gc
);
1143 gdk_gc_set_clip_mask( m_textGC
, new_mask
);
1145 gdk_gc_set_clip_mask( m_textGC
, mask
);
1146 gdk_gc_set_clip_origin( m_textGC
, xx
, yy
);
1151 gdk_gc_set_clip_mask( m_penGC
, new_mask
);
1153 gdk_gc_set_clip_mask( m_penGC
, mask
);
1154 gdk_gc_set_clip_origin( m_penGC
, xx
, yy
);
1158 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1159 // drawing a mono-bitmap (XBitmap) we use the current text GC
1162 GdkPixmap
*bitmap2
= gdk_pixmap_new( wxGetRootWindow()->window
, ww
, hh
, -1 );
1163 GdkGC
*gc
= gdk_gc_new( bitmap2
);
1164 gdk_gc_set_foreground( gc
, m_textForegroundColour
.GetColor() );
1165 gdk_gc_set_background( gc
, m_textBackgroundColour
.GetColor() );
1166 gdk_wx_draw_bitmap( bitmap2
, gc
, use_bitmap
.GetPixmap(), 0, 0, 0, 0, -1, -1 );
1168 gdk_draw_drawable( m_window
, m_textGC
, bitmap2
, 0, 0, xx
, yy
, -1, -1 );
1170 g_object_unref (bitmap2
);
1171 g_object_unref (gc
);
1175 #if GTK_CHECK_VERSION(2,2,0)
1176 if (!gtk_check_version(2,2,0) && use_bitmap
.HasPixbuf())
1178 gdk_draw_pixbuf(m_window
, m_penGC
,
1179 use_bitmap
.GetPixbuf(),
1180 0, 0, xx
, yy
, -1, -1,
1181 GDK_RGB_DITHER_NORMAL
, xx
, yy
);
1186 gdk_draw_drawable(m_window
, m_penGC
,
1187 use_bitmap
.GetPixmap(),
1188 0, 0, xx
, yy
, -1, -1);
1192 // remove mask again if any
1193 if (useMask
&& mask
)
1197 gdk_gc_set_clip_mask( m_textGC
, (GdkBitmap
*) NULL
);
1198 gdk_gc_set_clip_origin( m_textGC
, 0, 0 );
1199 if (!m_currentClippingRegion
.IsNull())
1200 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
1204 gdk_gc_set_clip_mask( m_penGC
, (GdkBitmap
*) NULL
);
1205 gdk_gc_set_clip_origin( m_penGC
, 0, 0 );
1206 if (!m_currentClippingRegion
.IsNull())
1207 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
1212 g_object_unref (new_mask
);
1215 bool wxWindowDC::DoBlit( wxCoord xdest
, wxCoord ydest
,
1216 wxCoord width
, wxCoord height
,
1218 wxCoord xsrc
, wxCoord ysrc
,
1221 wxCoord xsrcMask
, wxCoord ysrcMask
)
1223 wxCHECK_MSG( Ok(), false, wxT("invalid window dc") );
1225 wxCHECK_MSG( source
, false, wxT("invalid source dc") );
1227 if (!m_window
) return false;
1229 // transform the source DC coords to the device ones
1230 xsrc
= source
->XLOG2DEV(xsrc
);
1231 ysrc
= source
->YLOG2DEV(ysrc
);
1233 wxClientDC
*srcDC
= (wxClientDC
*)source
;
1234 wxMemoryDC
*memDC
= (wxMemoryDC
*)source
;
1236 bool use_bitmap_method
= false;
1237 bool is_mono
= false;
1239 if (xsrcMask
== -1 && ysrcMask
== -1)
1245 if (srcDC
->m_isMemDC
)
1247 if (!memDC
->m_selected
.Ok()) return false;
1249 is_mono
= (memDC
->m_selected
.GetDepth() == 1);
1251 // we use the "XCopyArea" way to copy a memory dc into
1252 // a different window if the memory dc BOTH
1253 // a) doesn't have any mask or its mask isn't used
1257 if (useMask
&& (memDC
->m_selected
.GetMask()))
1259 // we HAVE TO use the direct way for memory dcs
1260 // that have mask since the XCopyArea doesn't know
1262 use_bitmap_method
= true;
1266 // we HAVE TO use the direct way for memory dcs
1267 // that are bitmaps because XCopyArea doesn't cope
1268 // with different bit depths
1269 use_bitmap_method
= true;
1271 else if ((xsrc
== 0) && (ysrc
== 0) &&
1272 (width
== memDC
->m_selected
.GetWidth()) &&
1273 (height
== memDC
->m_selected
.GetHeight()))
1275 // we SHOULD use the direct way if all of the bitmap
1276 // in the memory dc is copied in which case XCopyArea
1277 // wouldn't be able able to boost performace by reducing
1278 // the area to be scaled
1279 use_bitmap_method
= true;
1283 use_bitmap_method
= false;
1287 CalcBoundingBox( xdest
, ydest
);
1288 CalcBoundingBox( xdest
+ width
, ydest
+ height
);
1290 // scale/translate size and position
1291 wxCoord xx
= XLOG2DEV(xdest
);
1292 wxCoord yy
= YLOG2DEV(ydest
);
1294 wxCoord ww
= XLOG2DEVREL(width
);
1295 wxCoord hh
= YLOG2DEVREL(height
);
1297 // compare to current clipping region
1298 if (!m_currentClippingRegion
.IsNull())
1300 wxRegion
tmp( xx
,yy
,ww
,hh
);
1301 tmp
.Intersect( m_currentClippingRegion
);
1306 int old_logical_func
= m_logicalFunction
;
1307 SetLogicalFunction( logical_func
);
1309 if (use_bitmap_method
)
1311 // scale/translate bitmap size
1312 wxCoord bm_width
= memDC
->m_selected
.GetWidth();
1313 wxCoord bm_height
= memDC
->m_selected
.GetHeight();
1315 // Get clip coords for the bitmap. If we don't
1316 // use wxBitmap::Rescale(), which can clip the
1317 // bitmap, these are the same as the original
1324 // interpret userscale of src too
1326 memDC
->GetUserScale(&xsc
,&ysc
);
1327 bm_width
= (int) (bm_width
/ xsc
);
1328 bm_height
= (int) (bm_height
/ ysc
);
1330 wxCoord bm_ww
= XLOG2DEVREL( bm_width
);
1331 wxCoord bm_hh
= YLOG2DEVREL( bm_height
);
1333 // Scale bitmap if required
1334 wxBitmap use_bitmap
;
1335 if ((memDC
->m_selected
.GetWidth()!= bm_ww
) || ( memDC
->m_selected
.GetHeight()!= bm_hh
))
1337 // This indicates that the blitting code below will get
1338 // a clipped bitmap and therefore needs to move the origin
1340 wxRegion
tmp( xx
,yy
,ww
,hh
);
1341 tmp
.Intersect( m_currentClippingRegion
);
1342 tmp
.GetBox(cx
,cy
,cw
,ch
);
1344 // Scale and clipped bitmap
1345 use_bitmap
= memDC
->m_selected
.Rescale(cx
-xx
,cy
-yy
,cw
,ch
,bm_ww
,bm_hh
);
1349 // Don't scale bitmap
1350 use_bitmap
= memDC
->m_selected
;
1353 // apply mask if any
1354 GdkBitmap
*mask
= (GdkBitmap
*) NULL
;
1355 if (use_bitmap
.GetMask()) mask
= use_bitmap
.GetMask()->GetBitmap();
1357 GdkBitmap
*new_mask
= (GdkBitmap
*) NULL
;
1359 if (useMask
&& mask
)
1361 if (!m_currentClippingRegion
.IsNull())
1364 new_mask
= gdk_pixmap_new( wxGetRootWindow()->window
, bm_ww
, bm_hh
, 1 );
1365 GdkGC
*gc
= gdk_gc_new( new_mask
);
1367 gdk_gc_set_foreground( gc
, &col
);
1368 gdk_gc_set_ts_origin( gc
, -xsrcMask
, -ysrcMask
);
1369 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, bm_ww
, bm_hh
);
1371 gdk_gc_set_background( gc
, &col
);
1373 gdk_gc_set_foreground( gc
, &col
);
1374 gdk_gc_set_clip_region( gc
, m_currentClippingRegion
.GetRegion() );
1375 // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
1376 gdk_gc_set_clip_origin( gc
, -cx
, -cy
);
1377 gdk_gc_set_fill( gc
, GDK_OPAQUE_STIPPLED
);
1378 gdk_gc_set_stipple( gc
, mask
);
1379 gdk_draw_rectangle( new_mask
, gc
, TRUE
, 0, 0, bm_ww
, bm_hh
);
1380 g_object_unref (gc
);
1387 gdk_gc_set_clip_mask( m_textGC
, new_mask
);
1388 gdk_gc_set_clip_origin( m_textGC
, cx
, cy
);
1392 gdk_gc_set_clip_mask( m_textGC
, mask
);
1393 gdk_gc_set_clip_origin( m_textGC
, cx
-xsrcMask
, cy
-ysrcMask
);
1400 gdk_gc_set_clip_mask( m_penGC
, new_mask
);
1401 gdk_gc_set_clip_origin( m_penGC
, cx
, cy
);
1405 gdk_gc_set_clip_mask( m_penGC
, mask
);
1406 gdk_gc_set_clip_origin( m_penGC
, cx
-xsrcMask
, cy
-ysrcMask
);
1411 // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
1412 // drawing a mono-bitmap (XBitmap) we use the current text GC
1416 GdkPixmap
*bitmap
= gdk_pixmap_new( wxGetRootWindow()->window
, bm_ww
, bm_hh
, -1 );
1417 GdkGC
*gc
= gdk_gc_new( bitmap
);
1418 gdk_gc_set_foreground( gc
, m_textForegroundColour
.GetColor() );
1419 gdk_gc_set_background( gc
, m_textBackgroundColour
.GetColor() );
1420 gdk_wx_draw_bitmap( bitmap
, gc
, use_bitmap
.GetPixmap(), 0, 0, 0, 0, -1, -1 );
1422 gdk_draw_drawable( m_window
, m_textGC
, bitmap
, xsrc
, ysrc
, cx
, cy
, cw
, ch
);
1424 g_object_unref (bitmap
);
1425 g_object_unref (gc
);
1429 // was: gdk_draw_drawable( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
1430 gdk_draw_drawable( m_window
, m_penGC
, use_bitmap
.GetPixmap(), xsrc
, ysrc
, cx
, cy
, cw
, ch
);
1433 // remove mask again if any
1434 if (useMask
&& mask
)
1438 gdk_gc_set_clip_mask( m_textGC
, (GdkBitmap
*) NULL
);
1439 gdk_gc_set_clip_origin( m_textGC
, 0, 0 );
1440 if (!m_currentClippingRegion
.IsNull())
1441 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
1445 gdk_gc_set_clip_mask( m_penGC
, (GdkBitmap
*) NULL
);
1446 gdk_gc_set_clip_origin( m_penGC
, 0, 0 );
1447 if (!m_currentClippingRegion
.IsNull())
1448 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
1453 g_object_unref (new_mask
);
1455 else // use_bitmap_method
1457 if ((width
!= ww
) || (height
!= hh
))
1460 wxRegion
tmp( xx
,yy
,ww
,hh
);
1461 tmp
.Intersect( m_currentClippingRegion
);
1462 wxCoord cx
,cy
,cw
,ch
;
1463 tmp
.GetBox(cx
,cy
,cw
,ch
);
1466 wxBitmap bitmap
= memDC
->m_selected
.Rescale( cx
-xx
, cy
-yy
, cw
, ch
, ww
, hh
);
1468 // draw scaled bitmap
1469 // was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
1470 gdk_draw_drawable( m_window
, m_penGC
, bitmap
.GetPixmap(), 0, 0, cx
, cy
, -1, -1 );
1474 // No scaling and not a memory dc with a mask either
1476 // copy including child window contents
1477 gdk_gc_set_subwindow( m_penGC
, GDK_INCLUDE_INFERIORS
);
1478 gdk_draw_drawable( m_window
, m_penGC
,
1482 gdk_gc_set_subwindow( m_penGC
, GDK_CLIP_BY_CHILDREN
);
1486 SetLogicalFunction( old_logical_func
);
1491 void wxWindowDC::DoDrawText( const wxString
&text
, wxCoord x
, wxCoord y
)
1493 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1495 if (!m_window
) return;
1497 if (text
.empty()) return;
1502 wxCHECK_RET( m_context
, wxT("no Pango context") );
1503 wxCHECK_RET( m_layout
, wxT("no Pango layout") );
1504 wxCHECK_RET( m_fontdesc
, wxT("no Pango font description") );
1506 bool underlined
= m_font
.Ok() && m_font
.GetUnderlined();
1508 const wxCharBuffer data
= wxGTK_CONV( text
);
1511 const size_t datalen
= strlen(data
);
1512 pango_layout_set_text( m_layout
, data
, datalen
);
1516 PangoAttrList
*attrs
= pango_attr_list_new();
1517 PangoAttribute
*a
= pango_attr_underline_new(PANGO_UNDERLINE_SINGLE
);
1519 a
->end_index
= datalen
;
1520 pango_attr_list_insert(attrs
, a
);
1521 pango_layout_set_attributes(m_layout
, attrs
);
1522 pango_attr_list_unref(attrs
);
1527 if (fabs(m_scaleY
- 1.0) > 0.00001)
1529 // If there is a user or actually any scale applied to
1530 // the device context, scale the font.
1532 // scale font description
1533 gint oldSize
= pango_font_description_get_size( m_fontdesc
);
1534 double size
= oldSize
;
1535 size
= size
* m_scaleY
;
1536 pango_font_description_set_size( m_fontdesc
, (gint
)size
);
1538 // actually apply scaled font
1539 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1541 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1542 if ( m_backgroundMode
== wxSOLID
)
1544 gdk_gc_set_foreground(m_textGC
, m_textBackgroundColour
.GetColor());
1545 gdk_draw_rectangle(m_window
, m_textGC
, TRUE
, x
, y
, w
, h
);
1546 gdk_gc_set_foreground(m_textGC
, m_textForegroundColour
.GetColor());
1550 gdk_draw_layout( m_window
, m_textGC
, x
, y
, m_layout
);
1552 // reset unscaled size
1553 pango_font_description_set_size( m_fontdesc
, oldSize
);
1555 // actually apply unscaled font
1556 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1560 pango_layout_get_pixel_size( m_layout
, &w
, &h
);
1561 if ( m_backgroundMode
== wxSOLID
)
1563 gdk_gc_set_foreground(m_textGC
, m_textBackgroundColour
.GetColor());
1564 gdk_draw_rectangle(m_window
, m_textGC
, TRUE
, x
, y
, w
, h
);
1565 gdk_gc_set_foreground(m_textGC
, m_textForegroundColour
.GetColor());
1568 gdk_draw_layout( m_window
, m_textGC
, x
, y
, m_layout
);
1573 // undo underline attributes setting:
1574 pango_layout_set_attributes(m_layout
, NULL
);
1580 width
= wxCoord(width
/ m_scaleX
);
1581 height
= wxCoord(height
/ m_scaleY
);
1582 CalcBoundingBox (x
+ width
, y
+ height
);
1583 CalcBoundingBox (x
, y
);
1587 // TODO: There is an example of rotating text with GTK2 that would probably be
1588 // a better approach here:
1589 // http://www.daa.com.au/pipermail/pygtk/2003-April/005052.html
1591 void wxWindowDC::DoDrawRotatedText( const wxString
&text
, wxCoord x
, wxCoord y
, double angle
)
1593 if (!m_window
|| text
.empty())
1596 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1598 if ( wxIsNullDouble(angle
) )
1600 DrawText(text
, x
, y
);
1607 // TODO: implement later without GdkFont for GTK 2.0
1608 GetTextExtent(text
, &w
, &h
, NULL
,NULL
, &m_font
);
1610 // draw the string normally
1613 dc
.SelectObject(src
);
1614 dc
.SetFont(GetFont());
1615 dc
.SetBackground(*wxBLACK_BRUSH
);
1616 dc
.SetBrush(*wxBLACK_BRUSH
);
1618 dc
.SetTextForeground( *wxWHITE
);
1619 dc
.DrawText(text
, 0, 0);
1620 dc
.SelectObject(wxNullBitmap
);
1622 // Calculate the size of the rotated bounding box.
1623 double rad
= DegToRad(angle
);
1624 double dx
= cos(rad
),
1627 // the rectngle vertices are counted clockwise with the first one being at
1628 // (0, 0) (or, rather, at (x, y))
1630 y2
= -w
*dy
; // y axis points to the bottom, hence minus
1633 double x3
= x4
+ x2
,
1637 wxCoord maxX
= (wxCoord
)(dmax(x2
, dmax(x3
, x4
)) + 0.5),
1638 maxY
= (wxCoord
)(dmax(y2
, dmax(y3
, y4
)) + 0.5),
1639 minX
= (wxCoord
)(dmin(x2
, dmin(x3
, x4
)) - 0.5),
1640 minY
= (wxCoord
)(dmin(y2
, dmin(y3
, y4
)) - 0.5);
1643 wxImage image
= src
.ConvertToImage();
1645 image
.ConvertColourToAlpha( m_textForegroundColour
.Red(),
1646 m_textForegroundColour
.Green(),
1647 m_textForegroundColour
.Blue() );
1648 image
= image
.Rotate( rad
, wxPoint(0,0) );
1650 int i_angle
= (int) angle
;
1651 i_angle
= i_angle
% 360;
1655 if ((i_angle
>= 90.0) && (i_angle
< 270.0))
1656 xoffset
= image
.GetWidth();
1658 if ((i_angle
>= 0.0) && (i_angle
< 180.0))
1659 yoffset
= image
.GetHeight();
1661 if ((i_angle
>= 0) && (i_angle
< 90))
1662 yoffset
-= (int)( cos(rad
)*h
);
1663 if ((i_angle
>= 90) && (i_angle
< 180))
1664 xoffset
-= (int)( sin(rad
)*h
);
1665 if ((i_angle
>= 180) && (i_angle
< 270))
1666 yoffset
-= (int)( cos(rad
)*h
);
1667 if ((i_angle
>= 270) && (i_angle
< 360))
1668 xoffset
-= (int)( sin(rad
)*h
);
1670 int i_x
= x
- xoffset
;
1671 int i_y
= y
- yoffset
;
1674 DoDrawBitmap( src
, i_x
, i_y
, true );
1677 // it would be better to draw with non underlined font and draw the line
1678 // manually here (it would be more straight...)
1680 if ( m_font
.GetUnderlined() )
1682 gdk_draw_line( m_window
, m_textGC
,
1683 XLOG2DEV(x
+ x4
), YLOG2DEV(y
+ y4
+ font
->descent
),
1684 XLOG2DEV(x
+ x3
), YLOG2DEV(y
+ y3
+ font
->descent
));
1688 // update the bounding box
1689 CalcBoundingBox(x
+ minX
, y
+ minY
);
1690 CalcBoundingBox(x
+ maxX
, y
+ maxY
);
1693 void wxWindowDC::DoGetTextExtent(const wxString
&string
,
1694 wxCoord
*width
, wxCoord
*height
,
1695 wxCoord
*descent
, wxCoord
*externalLeading
,
1696 wxFont
*theFont
) const
1704 if ( externalLeading
)
1705 *externalLeading
= 0;
1710 // ensure that theFont is always non-NULL
1711 if ( !theFont
|| !theFont
->Ok() )
1712 theFont
= wx_const_cast(wxFont
*, &m_font
);
1714 // and use it if it's valid
1715 if ( theFont
->Ok() )
1717 pango_layout_set_font_description
1720 theFont
->GetNativeFontInfo()->description
1724 // Set layout's text
1725 const wxCharBuffer dataUTF8
= wxGTK_CONV_FONT(string
, *theFont
);
1728 // hardly ideal, but what else can we do if conversion failed?
1732 pango_layout_set_text( m_layout
, dataUTF8
, strlen(dataUTF8
) );
1737 pango_layout_get_pixel_size( m_layout
, width
, &h
);
1738 PangoLayoutIter
*iter
= pango_layout_get_iter(m_layout
);
1739 int baseline
= pango_layout_iter_get_baseline(iter
);
1740 pango_layout_iter_free(iter
);
1741 *descent
= h
- PANGO_PIXELS(baseline
);
1744 *height
= (wxCoord
) h
;
1748 pango_layout_get_pixel_size( m_layout
, width
, height
);
1751 // Reset old font description
1753 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1756 wxCoord
wxWindowDC::GetCharWidth() const
1758 pango_layout_set_text( m_layout
, "H", 1 );
1760 pango_layout_get_pixel_size( m_layout
, &w
, NULL
);
1764 wxCoord
wxWindowDC::GetCharHeight() const
1766 PangoFontMetrics
*metrics
= pango_context_get_metrics (m_context
, m_fontdesc
, NULL
);
1767 return PANGO_PIXELS (pango_font_metrics_get_descent (metrics
) + pango_font_metrics_get_ascent (metrics
));
1770 void wxWindowDC::Clear()
1772 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1774 if (!m_window
) return;
1776 // VZ: the code below results in infinite recursion and crashes when
1777 // dc.Clear() is done from OnPaint() so I disable it for now.
1778 // I don't know what the correct fix is but Clear() surely should not
1779 // reenter OnPaint()!
1781 /* - we either are a memory dc or have a window as the
1782 owner. anything else shouldn't happen.
1783 - we don't use gdk_window_clear() as we don't set
1784 the window's background colour anymore. it is too
1785 much pain to keep the DC's and the window's back-
1786 ground colour in synch. */
1797 GetSize( &width
, &height
);
1798 gdk_draw_rectangle( m_window
, m_bgGC
, TRUE
, 0, 0, width
, height
);
1803 GetSize( &width
, &height
);
1804 gdk_draw_rectangle( m_window
, m_bgGC
, TRUE
, 0, 0, width
, height
);
1808 void wxWindowDC::SetFont( const wxFont
&font
)
1815 pango_font_description_free( m_fontdesc
);
1817 m_fontdesc
= pango_font_description_copy( m_font
.GetNativeFontInfo()->description
);
1822 PangoContext
*oldContext
= m_context
;
1824 m_context
= m_owner
->GtkGetPangoDefaultContext();
1826 // If we switch back/forth between different contexts
1827 // we also have to create a new layout. I think so,
1828 // at least, and it doesn't hurt to do it.
1829 if (oldContext
!= m_context
)
1832 g_object_unref (m_layout
);
1834 m_layout
= pango_layout_new( m_context
);
1838 pango_layout_set_font_description( m_layout
, m_fontdesc
);
1842 void wxWindowDC::SetPen( const wxPen
&pen
)
1844 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1846 if (m_pen
== pen
) return;
1850 if (!m_pen
.Ok()) return;
1852 if (!m_window
) return;
1854 gint width
= m_pen
.GetWidth();
1857 // CMB: if width is non-zero scale it with the dc
1862 // X doesn't allow different width in x and y and so we take
1865 ( fabs((double) XLOG2DEVREL(width
)) +
1866 fabs((double) YLOG2DEVREL(width
)) ) / 2.0;
1870 // width can't be 0 or an internal GTK error occurs inside
1871 // gdk_gc_set_dashes() below
1876 static const wxGTKDash dotted
[] = {1, 1};
1877 static const wxGTKDash short_dashed
[] = {2, 2};
1878 static const wxGTKDash wxCoord_dashed
[] = {2, 4};
1879 static const wxGTKDash dotted_dashed
[] = {3, 3, 1, 3};
1881 // We express dash pattern in pen width unit, so we are
1882 // independent of zoom factor and so on...
1884 const wxGTKDash
*req_dash
;
1886 GdkLineStyle lineStyle
= GDK_LINE_SOLID
;
1887 switch (m_pen
.GetStyle())
1891 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1892 req_nb_dash
= m_pen
.GetDashCount();
1893 req_dash
= (wxGTKDash
*)m_pen
.GetDash();
1898 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1905 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1907 req_dash
= wxCoord_dashed
;
1912 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1914 req_dash
= short_dashed
;
1919 // lineStyle = GDK_LINE_DOUBLE_DASH;
1920 lineStyle
= GDK_LINE_ON_OFF_DASH
;
1922 req_dash
= dotted_dashed
;
1927 case wxSTIPPLE_MASK_OPAQUE
:
1932 lineStyle
= GDK_LINE_SOLID
;
1933 req_dash
= (wxGTKDash
*)NULL
;
1939 if (req_dash
&& req_nb_dash
)
1941 wxGTKDash
*real_req_dash
= new wxGTKDash
[req_nb_dash
];
1944 for (int i
= 0; i
< req_nb_dash
; i
++)
1945 real_req_dash
[i
] = req_dash
[i
] * width
;
1946 gdk_gc_set_dashes( m_penGC
, 0, real_req_dash
, req_nb_dash
);
1947 delete[] real_req_dash
;
1951 // No Memory. We use non-scaled dash pattern...
1952 gdk_gc_set_dashes( m_penGC
, 0, (wxGTKDash
*)req_dash
, req_nb_dash
);
1956 GdkCapStyle capStyle
= GDK_CAP_ROUND
;
1957 switch (m_pen
.GetCap())
1959 case wxCAP_PROJECTING
: { capStyle
= GDK_CAP_PROJECTING
; break; }
1960 case wxCAP_BUTT
: { capStyle
= GDK_CAP_BUTT
; break; }
1967 capStyle
= GDK_CAP_NOT_LAST
;
1971 capStyle
= GDK_CAP_ROUND
;
1977 GdkJoinStyle joinStyle
= GDK_JOIN_ROUND
;
1978 switch (m_pen
.GetJoin())
1980 case wxJOIN_BEVEL
: { joinStyle
= GDK_JOIN_BEVEL
; break; }
1981 case wxJOIN_MITER
: { joinStyle
= GDK_JOIN_MITER
; break; }
1983 default: { joinStyle
= GDK_JOIN_ROUND
; break; }
1986 gdk_gc_set_line_attributes( m_penGC
, width
, lineStyle
, capStyle
, joinStyle
);
1988 m_pen
.GetColour().CalcPixel( m_cmap
);
1989 gdk_gc_set_foreground( m_penGC
, m_pen
.GetColour().GetColor() );
1992 void wxWindowDC::SetBrush( const wxBrush
&brush
)
1994 wxCHECK_RET( Ok(), wxT("invalid window dc") );
1996 if (m_brush
== brush
) return;
2000 if (!m_brush
.Ok()) return;
2002 if (!m_window
) return;
2004 m_brush
.GetColour().CalcPixel( m_cmap
);
2005 gdk_gc_set_foreground( m_brushGC
, m_brush
.GetColour().GetColor() );
2007 gdk_gc_set_fill( m_brushGC
, GDK_SOLID
);
2009 if ((m_brush
.GetStyle() == wxSTIPPLE
) && (m_brush
.GetStipple()->Ok()))
2011 if (m_brush
.GetStipple()->GetDepth() != 1)
2013 gdk_gc_set_fill( m_brushGC
, GDK_TILED
);
2014 gdk_gc_set_tile( m_brushGC
, m_brush
.GetStipple()->GetPixmap() );
2018 gdk_gc_set_fill( m_brushGC
, GDK_STIPPLED
);
2019 gdk_gc_set_stipple( m_brushGC
, m_brush
.GetStipple()->GetPixmap() );
2023 if ((m_brush
.GetStyle() == wxSTIPPLE_MASK_OPAQUE
) && (m_brush
.GetStipple()->GetMask()))
2025 gdk_gc_set_fill( m_textGC
, GDK_OPAQUE_STIPPLED
);
2026 gdk_gc_set_stipple( m_textGC
, m_brush
.GetStipple()->GetMask()->GetBitmap() );
2029 if (m_brush
.IsHatch())
2031 gdk_gc_set_fill( m_brushGC
, GDK_STIPPLED
);
2032 int num
= m_brush
.GetStyle() - wxBDIAGONAL_HATCH
;
2033 gdk_gc_set_stipple( m_brushGC
, hatches
[num
] );
2037 void wxWindowDC::SetBackground( const wxBrush
&brush
)
2039 /* CMB 21/7/98: Added SetBackground. Sets background brush
2040 * for Clear() and bg colour for shapes filled with cross-hatch brush */
2042 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2044 if (m_backgroundBrush
== brush
) return;
2046 m_backgroundBrush
= brush
;
2048 if (!m_backgroundBrush
.Ok()) return;
2050 if (!m_window
) return;
2052 m_backgroundBrush
.GetColour().CalcPixel( m_cmap
);
2053 gdk_gc_set_background( m_brushGC
, m_backgroundBrush
.GetColour().GetColor() );
2054 gdk_gc_set_background( m_penGC
, m_backgroundBrush
.GetColour().GetColor() );
2055 gdk_gc_set_background( m_bgGC
, m_backgroundBrush
.GetColour().GetColor() );
2056 gdk_gc_set_foreground( m_bgGC
, m_backgroundBrush
.GetColour().GetColor() );
2058 gdk_gc_set_fill( m_bgGC
, GDK_SOLID
);
2060 if ((m_backgroundBrush
.GetStyle() == wxSTIPPLE
) && (m_backgroundBrush
.GetStipple()->Ok()))
2062 if (m_backgroundBrush
.GetStipple()->GetDepth() != 1)
2064 gdk_gc_set_fill( m_bgGC
, GDK_TILED
);
2065 gdk_gc_set_tile( m_bgGC
, m_backgroundBrush
.GetStipple()->GetPixmap() );
2069 gdk_gc_set_fill( m_bgGC
, GDK_STIPPLED
);
2070 gdk_gc_set_stipple( m_bgGC
, m_backgroundBrush
.GetStipple()->GetPixmap() );
2074 if (m_backgroundBrush
.IsHatch())
2076 gdk_gc_set_fill( m_bgGC
, GDK_STIPPLED
);
2077 int num
= m_backgroundBrush
.GetStyle() - wxBDIAGONAL_HATCH
;
2078 gdk_gc_set_stipple( m_bgGC
, hatches
[num
] );
2082 void wxWindowDC::SetLogicalFunction( int function
)
2084 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2086 if (m_logicalFunction
== function
)
2089 // VZ: shouldn't this be a CHECK?
2096 case wxXOR
: mode
= GDK_XOR
; break;
2097 case wxINVERT
: mode
= GDK_INVERT
; break;
2098 case wxOR_REVERSE
: mode
= GDK_OR_REVERSE
; break;
2099 case wxAND_REVERSE
: mode
= GDK_AND_REVERSE
; break;
2100 case wxCLEAR
: mode
= GDK_CLEAR
; break;
2101 case wxSET
: mode
= GDK_SET
; break;
2102 case wxOR_INVERT
: mode
= GDK_OR_INVERT
; break;
2103 case wxAND
: mode
= GDK_AND
; break;
2104 case wxOR
: mode
= GDK_OR
; break;
2105 case wxEQUIV
: mode
= GDK_EQUIV
; break;
2106 case wxNAND
: mode
= GDK_NAND
; break;
2107 case wxAND_INVERT
: mode
= GDK_AND_INVERT
; break;
2108 case wxCOPY
: mode
= GDK_COPY
; break;
2109 case wxNO_OP
: mode
= GDK_NOOP
; break;
2110 case wxSRC_INVERT
: mode
= GDK_COPY_INVERT
; break;
2112 // unsupported by GTK
2113 case wxNOR
: mode
= GDK_COPY
; break;
2115 wxFAIL_MSG( wxT("unsupported logical function") );
2119 m_logicalFunction
= function
;
2121 gdk_gc_set_function( m_penGC
, mode
);
2122 gdk_gc_set_function( m_brushGC
, mode
);
2124 // to stay compatible with wxMSW, we don't apply ROPs to the text
2125 // operations (i.e. DrawText/DrawRotatedText).
2126 // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
2127 gdk_gc_set_function( m_textGC
, mode
);
2130 void wxWindowDC::SetTextForeground( const wxColour
&col
)
2132 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2134 // don't set m_textForegroundColour to an invalid colour as we'd crash
2135 // later then (we use m_textForegroundColour.GetColor() without checking
2137 if ( !col
.Ok() || (m_textForegroundColour
== col
) )
2140 m_textForegroundColour
= col
;
2144 m_textForegroundColour
.CalcPixel( m_cmap
);
2145 gdk_gc_set_foreground( m_textGC
, m_textForegroundColour
.GetColor() );
2149 void wxWindowDC::SetTextBackground( const wxColour
&col
)
2151 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2154 if ( !col
.Ok() || (m_textBackgroundColour
== col
) )
2157 m_textBackgroundColour
= col
;
2161 m_textBackgroundColour
.CalcPixel( m_cmap
);
2162 gdk_gc_set_background( m_textGC
, m_textBackgroundColour
.GetColor() );
2166 void wxWindowDC::SetBackgroundMode( int mode
)
2168 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2170 m_backgroundMode
= mode
;
2172 if (!m_window
) return;
2174 // CMB 21/7/98: fill style of cross-hatch brushes is affected by
2175 // transparent/solid background mode
2177 if (m_brush
.GetStyle() != wxSOLID
&& m_brush
.GetStyle() != wxTRANSPARENT
)
2179 gdk_gc_set_fill( m_brushGC
,
2180 (m_backgroundMode
== wxTRANSPARENT
) ? GDK_STIPPLED
: GDK_OPAQUE_STIPPLED
);
2184 void wxWindowDC::SetPalette( const wxPalette
& WXUNUSED(palette
) )
2186 wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
2189 void wxWindowDC::DoSetClippingRegion( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
)
2191 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2193 if (!m_window
) return;
2196 rect
.x
= XLOG2DEV(x
);
2197 rect
.y
= YLOG2DEV(y
);
2198 rect
.width
= XLOG2DEVREL(width
);
2199 rect
.height
= YLOG2DEVREL(height
);
2201 if (!m_currentClippingRegion
.IsNull())
2202 m_currentClippingRegion
.Intersect( rect
);
2204 m_currentClippingRegion
.Union( rect
);
2206 #if USE_PAINT_REGION
2207 if (!m_paintClippingRegion
.IsNull())
2208 m_currentClippingRegion
.Intersect( m_paintClippingRegion
);
2211 wxCoord xx
, yy
, ww
, hh
;
2212 m_currentClippingRegion
.GetBox( xx
, yy
, ww
, hh
);
2213 wxDC::DoSetClippingRegion( xx
, yy
, ww
, hh
);
2215 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2216 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2217 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2218 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2221 void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion
®ion
)
2223 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2227 DestroyClippingRegion();
2231 if (!m_window
) return;
2233 if (!m_currentClippingRegion
.IsNull())
2234 m_currentClippingRegion
.Intersect( region
);
2236 m_currentClippingRegion
.Union( region
);
2238 #if USE_PAINT_REGION
2239 if (!m_paintClippingRegion
.IsNull())
2240 m_currentClippingRegion
.Intersect( m_paintClippingRegion
);
2243 wxCoord xx
, yy
, ww
, hh
;
2244 m_currentClippingRegion
.GetBox( xx
, yy
, ww
, hh
);
2245 wxDC::DoSetClippingRegion( xx
, yy
, ww
, hh
);
2247 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2248 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2249 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2250 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2253 void wxWindowDC::DestroyClippingRegion()
2255 wxCHECK_RET( Ok(), wxT("invalid window dc") );
2257 wxDC::DestroyClippingRegion();
2259 m_currentClippingRegion
.Clear();
2261 #if USE_PAINT_REGION
2262 if (!m_paintClippingRegion
.IsEmpty())
2263 m_currentClippingRegion
.Union( m_paintClippingRegion
);
2266 if (!m_window
) return;
2268 if (m_currentClippingRegion
.IsEmpty())
2270 gdk_gc_set_clip_rectangle( m_penGC
, (GdkRectangle
*) NULL
);
2271 gdk_gc_set_clip_rectangle( m_brushGC
, (GdkRectangle
*) NULL
);
2272 gdk_gc_set_clip_rectangle( m_textGC
, (GdkRectangle
*) NULL
);
2273 gdk_gc_set_clip_rectangle( m_bgGC
, (GdkRectangle
*) NULL
);
2277 gdk_gc_set_clip_region( m_penGC
, m_currentClippingRegion
.GetRegion() );
2278 gdk_gc_set_clip_region( m_brushGC
, m_currentClippingRegion
.GetRegion() );
2279 gdk_gc_set_clip_region( m_textGC
, m_currentClippingRegion
.GetRegion() );
2280 gdk_gc_set_clip_region( m_bgGC
, m_currentClippingRegion
.GetRegion() );
2284 void wxWindowDC::Destroy()
2286 if (m_penGC
) wxFreePoolGC( m_penGC
);
2287 m_penGC
= (GdkGC
*) NULL
;
2288 if (m_brushGC
) wxFreePoolGC( m_brushGC
);
2289 m_brushGC
= (GdkGC
*) NULL
;
2290 if (m_textGC
) wxFreePoolGC( m_textGC
);
2291 m_textGC
= (GdkGC
*) NULL
;
2292 if (m_bgGC
) wxFreePoolGC( m_bgGC
);
2293 m_bgGC
= (GdkGC
*) NULL
;
2296 void wxWindowDC::ComputeScaleAndOrigin()
2298 const wxRealPoint
origScale(m_scaleX
, m_scaleY
);
2300 wxDC::ComputeScaleAndOrigin();
2302 // if scale has changed call SetPen to recalulate the line width
2303 if ( wxRealPoint(m_scaleX
, m_scaleY
) != origScale
&& m_pen
.Ok() )
2305 // this is a bit artificial, but we need to force wxDC to think the pen
2313 // Resolution in pixels per logical inch
2314 wxSize
wxWindowDC::GetPPI() const
2316 return wxSize( (int) (m_mm_to_pix_x
* 25.4 + 0.5), (int) (m_mm_to_pix_y
* 25.4 + 0.5));
2319 int wxWindowDC::GetDepth() const
2321 return gdk_drawable_get_depth(m_window
);
2325 //-----------------------------------------------------------------------------
2327 //-----------------------------------------------------------------------------
2329 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC
, wxClientDC
)
2331 // Limit the paint region to the window size. Sometimes
2332 // the paint region is too big, and this risks X11 errors
2333 static void wxLimitRegionToSize(wxRegion
& region
, const wxSize
& sz
)
2335 wxRect originalRect
= region
.GetBox();
2336 wxRect
rect(originalRect
);
2337 if (rect
.width
+ rect
.x
> sz
.x
)
2338 rect
.width
= sz
.x
- rect
.x
;
2339 if (rect
.height
+ rect
.y
> sz
.y
)
2340 rect
.height
= sz
.y
- rect
.y
;
2341 if (rect
!= originalRect
)
2343 region
= wxRegion(rect
);
2344 wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
2345 originalRect
.x
, originalRect
.y
, originalRect
.width
, originalRect
.height
,
2346 rect
.x
, rect
.y
, rect
.width
, rect
.height
);
2350 wxPaintDC::wxPaintDC( wxWindow
*win
)
2353 #if USE_PAINT_REGION
2354 if (!win
->m_clipPaintRegion
)
2357 wxSize sz
= win
->GetSize();
2358 m_paintClippingRegion
= win
->GetUpdateRegion();
2359 wxLimitRegionToSize(m_paintClippingRegion
, sz
);
2361 GdkRegion
*region
= m_paintClippingRegion
.GetRegion();
2364 m_currentClippingRegion
.Union( m_paintClippingRegion
);
2365 wxLimitRegionToSize(m_currentClippingRegion
, sz
);
2367 if (sz
.x
<= 0 || sz
.y
<= 0)
2370 gdk_gc_set_clip_region( m_penGC
, region
);
2371 gdk_gc_set_clip_region( m_brushGC
, region
);
2372 gdk_gc_set_clip_region( m_textGC
, region
);
2373 gdk_gc_set_clip_region( m_bgGC
, region
);
2375 #endif // USE_PAINT_REGION
2378 //-----------------------------------------------------------------------------
2380 //-----------------------------------------------------------------------------
2382 IMPLEMENT_DYNAMIC_CLASS(wxClientDC
, wxWindowDC
)
2384 wxClientDC::wxClientDC( wxWindow
*win
)
2387 wxCHECK_RET( win
, _T("NULL window in wxClientDC::wxClientDC") );
2389 #ifdef __WXUNIVERSAL__
2390 wxPoint ptOrigin
= win
->GetClientAreaOrigin();
2391 SetDeviceOrigin(ptOrigin
.x
, ptOrigin
.y
);
2392 wxSize size
= win
->GetClientSize();
2393 SetClippingRegion(wxPoint(0, 0), size
);
2394 #endif // __WXUNIVERSAL__
2397 void wxClientDC::DoGetSize(int *width
, int *height
) const
2399 wxCHECK_RET( m_owner
, _T("GetSize() doesn't work without window") );
2401 m_owner
->GetClientSize( width
, height
);
2404 // ----------------------------------------------------------------------------
2406 // ----------------------------------------------------------------------------
2408 class wxDCModule
: public wxModule
2415 DECLARE_DYNAMIC_CLASS(wxDCModule
)
2418 IMPLEMENT_DYNAMIC_CLASS(wxDCModule
, wxModule
)
2420 bool wxDCModule::OnInit()
2426 void wxDCModule::OnExit()