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remove unused configure tests and macros
[wxWidgets.git] / include / wx / dc.h
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006162a9 1/////////////////////////////////////////////////////////////////////////////
4660e6ac 2// Name: wx/dc.h
006162a9
VZ		 3// Purpose: wxDC class
4// Author: Vadim Zeitlin
5// Modified by:
6// Created: 05/25/99
7// RCS-ID: $Id$
77ffb593 8// Copyright: (c) wxWidgets team
65571936 9// Licence: wxWindows licence
006162a9
VZ		 10/////////////////////////////////////////////////////////////////////////////
11
34138703
JS		 12#ifndef _WX_DC_H_BASE_
13#define _WX_DC_H_BASE_
c801d85f 14
a23fd0e1
VZ		 15// ----------------------------------------------------------------------------
16// headers which we must include here
17// ----------------------------------------------------------------------------
18
19#include "wx/object.h" // the base class
20
0d80fb31 21#include "wx/intl.h" // for wxLayoutDirection
a23fd0e1
VZ		 22#include "wx/cursor.h" // we have member variables of these classes
23#include "wx/font.h" // so we can't do without them
24#include "wx/colour.h"
b494e2b0 25#include "wx/bitmap.h" // for wxNullBitmap
a23fd0e1
VZ		 26#include "wx/brush.h"
27#include "wx/pen.h"
28#include "wx/palette.h"
a23fd0e1 29#include "wx/list.h" // we use wxList in inline functions
0919e93e 30#include "wx/dynarray.h"
19edb09c 31#include "wx/math.h"
02255e07 32#include "wx/image.h"
a23fd0e1 33
2970ae54
RR		 34 // 1 if using the reorganized DC code
35#define wxUSE_NEW_DC 0
36
37
38#if wxUSE_NEW_DC
39
40//-----------------------------------------------------------------------------
41// wxDCFactory
42//-----------------------------------------------------------------------------
43
b5dbe15d 44class WXDLLIMPEXP_FWD_CORE wxImplDC;
2970ae54
RR		 45
46class WXDLLIMPEXP_CORE wxDCFactory
47{
48public:
49 wxDCFactory() {}
50 virtual ~wxDCFactory() {}
51
52 virtual wxImplDC* CreateWindowDC() = 0;
53 virtual wxImplDC* CreateWindowDC( wxWindow *window ) = 0;
54 virtual wxImplDC* CreateClientDC() = 0;
55 virtual wxImplDC* CreateClientDC( wxWindow *window ) = 0;
56 virtual wxImplDC* CreatePaintDC() = 0;
57 virtual wxImplDC* CreatePaintDC( wxWindow *window ) = 0;
58 virtual wxImplDC* CreateMemoryDC() = 0;
59 virtual wxImplDC* CreateMemoryDC( wxBitmap &bitmap ) = 0;
60 virtual wxImplDC* CreateMemoryDC( wxDC *dc ) = 0;
61
62 static void SetDCFactory( wxDCFactory *factory );
63 static wxDCFactory *GetFactory();
64private:
65 static wxDCFactory *m_factory;
66};
67
68//-----------------------------------------------------------------------------
69// wxNativeDCFactory
70//-----------------------------------------------------------------------------
71
72class WXDLLIMPEXP_CORE wxDCFactory
73{
74public:
75 wxNativeDCFactory() {}
76
77 virtual wxImplDC* CreateWindowDC();
78 virtual wxImplDC* CreateWindowDC( wxWindow *window );
79 virtual wxImplDC* CreateClientDC();
80 virtual wxImplDC* CreateClientDC( wxWindow *window );
81 virtual wxImplDC* CreatePaintDC();
82 virtual wxImplDC* CreatePaintDC( wxWindow *window );
83 virtual wxImplDC* CreateMemoryDC();
84 virtual wxImplDC* CreateMemoryDC( wxBitmap &bitmap );
85 virtual wxImplDC* CreateMemoryDC( wxDC *dc );
86};
87
88//-----------------------------------------------------------------------------
89// wxWindowDC
90//-----------------------------------------------------------------------------
91
92class WXDLLIMPEXP_CORE wxWindowDC : public wxDC
93{
94public:
95 wxWindowDC();
96 wxWindowDC( wxWindow *win );
97
98private:
99 DECLARE_DYNAMIC_CLASS(wxWindowDC)
100};
101
102//-----------------------------------------------------------------------------
103// wxClientDC
104//-----------------------------------------------------------------------------
105
106class WXDLLIMPEXP_CORE wxClientDC : public wxDC
107{
108public:
109 wxClientDC();
110 wxClientDC( wxWindow *win );
111
112private:
113 DECLARE_DYNAMIC_CLASS(wxClientDC)
114};
115
116//-----------------------------------------------------------------------------
117// wxMemoryDC
118//-----------------------------------------------------------------------------
119
120class WXDLLIMPEXP_CORE wxMemoryDC: public wxDC
121{
122public:
123 wxMemoryDC();
124 wxMemoryDC( wxBitmap& bitmap );
125 wxMemoryDC( wxDC *dc );
126
127private:
128 DECLARE_DYNAMIC_CLASS(wxMemoryDC)
129};
130
131//-----------------------------------------------------------------------------
132// wxPaintDC
133//-----------------------------------------------------------------------------
134
135class WXDLLIMPEXP_CORE wxPaintDC : public wxDC
136{
137public:
138 wxPaintDC();
139 wxPaintDC( wxWindow *win );
140
141private:
142 DECLARE_DYNAMIC_CLASS(wxPaintDC)
143};
144
145//-----------------------------------------------------------------------------
146// wxImplDC
147//-----------------------------------------------------------------------------
148
149class WXDLLIMPEXP_CORE wxImplDC: public wxObject
150{
151public:
152 wxImplDC( wxDC *owner );
153 ~wxImplDC();
154
155 wxDC *GetOwner() { return m_owner; }
156
157 virtual bool IsOk() const { return m_ok; }
158
159 // query capabilities
160
161 virtual bool CanDrawBitmap() const = 0;
162 virtual bool CanGetTextExtent() const = 0;
163
164 // query dimension, colour deps, resolution
165
166 virtual void DoGetSize(int *width, int *height) const = 0;
167 virtual void DoGetSizeMM(int* width, int* height) const = 0;
168
169 virtual int GetDepth() const = 0;
170 virtual wxSize GetPPI() const = 0;
171
172 // Right-To-Left (RTL) modes
173
174 virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir)) { }
175 virtual wxLayoutDirection GetLayoutDirection() const { return wxLayout_Default; }
176
177 // page and document
178
179 virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
180 virtual void EndDoc() { }
181
182 virtual void StartPage() { }
183 virtual void EndPage() { }
184
185 // bounding box
186
187 virtual void CalcBoundingBox(wxCoord x, wxCoord y);
188 {
189 if ( m_isBBoxValid )
190 {
191 if ( x < m_minX ) m_minX = x;
192 if ( y < m_minY ) m_minY = y;
193 if ( x > m_maxX ) m_maxX = x;
194 if ( y > m_maxY ) m_maxY = y;
195 }
196 else
197 {
198 m_isBBoxValid = true;
199
200 m_minX = x;
201 m_minY = y;
202 m_maxX = x;
203 m_maxY = y;
204 }
205 }
206 void ResetBoundingBox();
207 {
208 m_isBBoxValid = false;
209
210 m_minX = m_maxX = m_minY = m_maxY = 0;
211 }
212
213 wxCoord MinX() const { return m_minX; }
214 wxCoord MaxX() const { return m_maxX; }
215 wxCoord MinY() const { return m_minY; }
216 wxCoord MaxY() const { return m_maxY; }
217
218 // setters and getters
219
220 virtual void SetFont(const wxFont& font) = 0;
221 virtual const wxFont& GetFont() const { return m_font; }
222
223 virtual void SetPen(const wxPen& pen) = 0;
224 virtual const wxPen& GetPen() const { return m_pen; }
225
226 virtual void SetBrush(const wxBrush& brush) = 0;
227 virtual const wxBrush& GetBrush() const { return m_brush; }
228
229 virtual void SetBackground(const wxBrush& brush) = 0;
230 virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
231
232 virtual void SetBackgroundMode(int mode) = 0;
233 virtual int GetBackgroundMode() const { return m_backgroundMode; }
234
235 virtual void SetTextForeground(const wxColour& colour)
236 { m_textForegroundColour = colour; }
237 virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
238
239 virtual void SetTextBackground(const wxColour& colour)
240 { m_textBackgroundColour = colour; }
241 virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
242
243#if wxUSE_PALETTE
244 virtual void SetPalette(const wxPalette& palette) = 0;
245#endif // wxUSE_PALETTE
246
247 // logical functions
248
249 virtual void SetLogicalFunction(int function) = 0;
250 virtual int GetLogicalFunction() const { return m_logicalFunction; }
251
252 // text measurement
253
254 virtual wxCoord GetCharHeight() const = 0;
255 virtual wxCoord GetCharWidth() const = 0;
256 virtual void DoGetTextExtent(const wxString& string,
257 wxCoord *x, wxCoord *y,
258 wxCoord *descent = NULL,
259 wxCoord *externalLeading = NULL,
260 const wxFont *theFont = NULL) const = 0;
261 virtual void GetMultiLineTextExtent(const wxString& string,
262 wxCoord *width,
263 wxCoord *height,
264 wxCoord *heightLine = NULL,
265 const wxFont *font = NULL) const;
266 virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
267
268 // clearing
269
270 virtual void Clear() = 0;
271
272 // clipping
273
274 virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
275 wxCoord width, wxCoord height) = 0;
276 virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
277
278 virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
279 wxCoord *w, wxCoord *h) const
280 {
281 if ( x )
282 *x = m_clipX1;
283 if ( y )
284 *y = m_clipY1;
285 if ( w )
286 *w = m_clipX2 - m_clipX1;
287 if ( h )
288 *h = m_clipY2 - m_clipY1;
289 }
290
291 virtual void DestroyClippingRegion() { ResetClipping(); }
292
293
294 // coordinates conversions and transforms
295
296 virtual wxCoord DeviceToLogicalX(wxCoord x) const;
297 virtual wxCoord DeviceToLogicalY(wxCoord y) const;
298 virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
299 virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
300 virtual wxCoord LogicalToDeviceX(wxCoord x) const;
301 virtual wxCoord LogicalToDeviceY(wxCoord y) const;
302 virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
303 virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;
304
305 virtual void SetMapMode(int mode);
306 virtual int GetMapMode() const { return m_mappingMode; }
307
308 virtual void SetUserScale(double x, double y);
309 virtual void GetUserScale(double *x, double *y) const
310 {
311 if ( x ) *x = m_userScaleX;
312 if ( y ) *y = m_userScaleY;
313 }
314
315 virtual void SetLogicalScale(double x, double y);
316 virtual void GetLogicalScale(double *x, double *y)
317 {
318 if ( x ) *x = m_logicalScaleX;
319 if ( y ) *y = m_logicalScaleY;
320 }
321
322 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
323 virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
324 {
325 if ( x ) *x = m_logicalOriginX;
326 if ( y ) *y = m_logicalOriginY;
327 }
328
329 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
330 virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
331 {
332 if ( x ) *x = m_deviceOriginX;
333 if ( y ) *y = m_deviceOriginY;
334 }
335
336 virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
337
338 virtual void ComputeScaleAndOrigin();
339
340 // this needs to overidden if the axis is inverted
341 virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
342
343 // ---------------------------------------------------------
344 // the actual drawing API
345
346 virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
347 int style = wxFLOOD_SURFACE) = 0;
348
349 virtual void DoGradientFillLinear(const wxRect& rect,
350 const wxColour& initialColour,
351 const wxColour& destColour,
352 wxDirection nDirection = wxEAST);
353
354 virtual void DoGradientFillConcentric(const wxRect& rect,
355 const wxColour& initialColour,
356 const wxColour& destColour,
357 const wxPoint& circleCenter);
358
359 virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
360
361 virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
362 virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
363
364 virtual void DoDrawArc(wxCoord x1, wxCoord y1,
365 wxCoord x2, wxCoord y2,
366 wxCoord xc, wxCoord yc) = 0;
367 virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
368 wxCoord width, wxCoord height);
369 virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
370 double sa, double ea) = 0;
371
372 virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
373 virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
374 wxCoord width, wxCoord height,
375 double radius) = 0;
376 virtual void DoDrawEllipse(wxCoord x, wxCoord y,
377 wxCoord width, wxCoord height) = 0;
378
379 virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
380
381 virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
382 virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
383 bool useMask = false) = 0;
384
385 virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
386 virtual void DoDrawRotatedText(const wxString& text,
387 wxCoord x, wxCoord y, double angle) = 0;
388
389 virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
390 wxCoord width, wxCoord height,
391 wxDC *source,
392 wxCoord xsrc, wxCoord ysrc,
393 int rop = wxCOPY,
394 bool useMask = false,
395 wxCoord xsrcMask = wxDefaultCoord,
396 wxCoord ysrcMask = wxDefaultCoord) = 0;
397
398 virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
399 wxCoord dstWidth, wxCoord dstHeight,
400 wxDC *source,
401 wxCoord xsrc, wxCoord ysrc,
402 wxCoord srcWidth, wxCoord srcHeight,
403 int rop = wxCOPY,
404 bool useMask = false,
405 wxCoord xsrcMask = wxDefaultCoord,
406 wxCoord ysrcMask = wxDefaultCoord);
407
408 virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
409 { return wxNullBitmap; }
410
411
412 virtual void DoDrawLines(int n, wxPoint points[],
413 wxCoord xoffset, wxCoord yoffset) = 0;
414 virtual void DoDrawPolygon(int n, wxPoint points[],
415 wxCoord xoffset, wxCoord yoffset,
416 int fillStyle = wxODDEVEN_RULE) = 0;
417 virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
418 wxCoord xoffset, wxCoord yoffset,
419 int fillStyle);
420
421
422
423#if wxUSE_SPLINES
424 virtual void DoDrawSpline(wxList *points);
425#endif
426
427private:
428 wxDC *m_owner;
429
430protected:
431 // unset clipping variables (after clipping region was destroyed)
432 void ResetClipping()
433 {
434 m_clipping = false;
435
436 m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
437 }
438
439 // flags
440 bool m_colour:1;
441 bool m_ok:1;
442 bool m_clipping:1;
443 bool m_isInteractive:1;
444 bool m_isBBoxValid:1;
445
446 // coordinate system variables
447
448 wxCoord m_logicalOriginX, m_logicalOriginY;
449 wxCoord m_deviceOriginX, m_deviceOriginY; // Usually 0,0, can be change by user
450
451 wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
452 // is not at 0,0. This was the case under
453 // Mac's GrafPorts (coordinate system
454 // used toplevel window's origin) and
455 // e.g. for Postscript, where the native
456 // origin in the bottom left corner.
457 double m_logicalScaleX, m_logicalScaleY;
458 double m_userScaleX, m_userScaleY;
459 double m_scaleX, m_scaleY; // calculated from logical scale and user scale
460
461 int m_signX, m_signY; // Used by SetAxisOrientation() to invert the axes
462
463 // what is a mm on a screen you don't know the size of?
464 double m_mm_to_pix_x,
465 m_mm_to_pix_y;
466
467 // bounding and clipping boxes
468 wxCoord m_minX, m_minY, m_maxX, m_maxY;
469 wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
470
471 int m_logicalFunction;
472 int m_backgroundMode;
473 int m_mappingMode;
474
475 wxPen m_pen;
476 wxBrush m_brush;
477 wxBrush m_backgroundBrush;
478 wxColour m_textForegroundColour;
479 wxColour m_textBackgroundColour;
480 wxFont m_font;
481
482#if wxUSE_PALETTE
483 wxPalette m_palette;
484 bool m_hasCustomPalette;
485#endif // wxUSE_PALETTE
486
487private:
488 DECLARE_ABSTRACT_CLASS(wxImplDC)
489}
490
491
492class wxDC: public wxObject
493{
494public:
495 wxDC() { m_pimpl = NULL; }
496
497 bool IsOk() const
498 { return m_pimpl && m_pimpl->IsOk(); }
499
500 // query capabilities
501
502 bool CanDrawBitmap() const
503 { return m_pimpl->CanDrawBitmap(); }
504 bool CanGetTextExtent() const
505 { return m_pimpl->CanGetTextExtent(); }
506
507 // query dimension, colour deps, resolution
508
509 void GetSize(int *width, int *height) const
510 { m_pimpl->DoGetSize(width, height); }
511
512 wxSize GetSize() const
513 {
514 int w, h;
515 m_pimpl->DoGetSize(&w, &h);
516 return wxSize(w, h);
517 }
518
519 void GetSizeMM(int* width, int* height) const
520 { m_pimpl->DoGetSizeMM(width, height); }
521 wxSize GetSizeMM() const
522 {
523 int w, h;
524 m_pimpl->DoGetSizeMM(&w, &h);
525 return wxSize(w, h);
526 }
527
528 int GetDepth() const
529 { return m_pimpl->GetDepth(); }
530 wxSize GetPPI() const
531 { return m_pimpl->GetPPI(); }
532
533 // Right-To-Left (RTL) modes
534
535 void SetLayoutDirection(wxLayoutDirection dir)
536 { m_pimpl->SetLayoutDirection( dir ); }
537 wxLayoutDirection GetLayoutDirection() const
538 { return m_pimpl->GetLayoutDirection(); }
539
540 // page and document
541
542 bool StartDoc(const wxString& message)
543 { return m_pimpl->StartDoc(message); }
544 void EndDoc()
545 { m_pimpl->EndDoc(); }
546
547 void StartPage()
548 { m_pimpl->StartPage(); }
549 void EndPage()
550 { m_pimpl->EndPage(); }
551
552 // bounding box
553
554 void CalcBoundingBox(wxCoord x, wxCoord y)
555 { m_pimpl->CalcBoundingBox(x,y); }
556 void ResetBoundingBox()
557 { m_pimpl->ResetBoundingBox(); }
558
559 wxCoord MinX() const
560 { return m_pimpl->MinX(); }
561 wxCoord MaxX() const
562 { return m_pimpl->MaxX(); }
563 wxCoord MinY() const
564 { return m_pimpl->MinY(); }
565 wxCoord MaxY() const
566 { return m_pimpl->MaxY(); }
567
568 // setters and getters
569
570 void SetFont(const wxFont& font)
571 { m_pimpl->SetFont( font ); }
572 const wxFont& GetFont() const
573 { return m_pimpl->GetFont(); }
574
575 void SetPen(const wxPen& pen)
576 { m_pimpl->SetPen( pen ); }
577 const wxPen& GetPen() const
578 { return m_pimpl->GetPen(); }
579
580 void SetBrush(const wxBrush& brush)
581 { m_pimpl->SetBrush( brush ); }
582 const wxBrush& GetBrush() const
583 { return m_pimpl->GetBrush(); }
584
585 void SetBackground(const wxBrush& brush)
586 { m_pimpl->SetBackground( brush ); }
587 const wxBrush& GetBackground() const
588 { return m_pimpl->GetBackground(); }
589
590 void SetBackgroundMode(int mode)
591 { m_pimpl->SetBackground( mode ); }
592 int GetBackgroundMode() const
593 { return m_pimpl->GetBackground(); }
594
595 void SetTextForeground(const wxColour& colour)
596 { m_pimpl->SetTextForeground(colour); }
597 const wxColour& GetTextForeground() const
598 { return m_pimpl->GetTextForeground(); }
599
600 void SetTextBackground(const wxColour& colour)
601 { m_pimpl->SetTextBackground(colour); }
602 const wxColour& GetTextBackground() const
603 { return m_pimpl->GetTextBackground(); }
604
605#if wxUSE_PALETTE
606 void SetPalette(const wxPalette& palette)
607 { m_pimpl->SetPalette(palette); }
608#endif // wxUSE_PALETTE
609
610 // logical functions
611
612 void SetLogicalFunction(int function)
613 { m_pimpl->SetLogicalFunction(function); }
614 int GetLogicalFunction() const
615 { return m_pimpl->GetLogicalFunction(); }
616
617 // text measurement
618
619 wxCoord GetCharHeight() const
620 { return m_pimpl->GetCharHeight(); }
621 wxCoord GetCharWidth() const
622 { return m_pimpl->GetCharWidth(); }
623
624 void GetTextExtent(const wxString& string,
625 wxCoord *x, wxCoord *y,
626 wxCoord *descent = NULL,
627 wxCoord *externalLeading = NULL,
628 const wxFont *theFont = NULL) const
629 { m_pimpl->DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
630
631 wxSize GetTextExtent(const wxString& string) const
632 {
633 wxCoord w, h;
634 m_pimpl->DoGetTextExtent(string, &w, &h);
635 return wxSize(w, h);
636 }
637
638 void GetMultiLineTextExtent(const wxString& string,
639 wxCoord *width,
640 wxCoord *height,
641 wxCoord *heightLine = NULL,
642 const wxFont *font = NULL) const
643 { m_pimpl->GetMultiLineTextExtent( string, width, height, heightLine, font ); }
644
645 wxSize GetMultiLineTextExtent(const wxString& string) const
646 {
647 wxCoord w, h;
648 m_pimpl->GetMultiLineTextExtent(string, &w, &h);
649 return wxSize(w, h);
650 }
651
652 bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
653 { return m_pimpl->DoGetPartialTextExtents(text, widths); }
654
655 // clearing
656
657 void Clear()
658 { m_pimpl->Clear(); }
659
660 // clipping
661
662 void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
663 { m_pimpl->DoSetClippingRegion(x, y, width, height); }
664 void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
665 { m_pimpl->DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
666 void SetClippingRegion(const wxRect& rect)
667 { m_pimpl->DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
668 void SetClippingRegion(const wxRegion& region)
669 { m_pimpl->DoSetClippingRegionAsRegion(region); }
670
671 void DestroyClippingRegion()
672 { m_pimpl->DestroyClippingRegion(); }
673
674 void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
675 { m_pimpl->DoGetClippingBox(x, y, w, h); }
676 void GetClippingBox(wxRect& rect) const
677 { m_pimpl->DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
678
679 // coordinates conversions and transforms
680
681 wxCoord DeviceToLogicalX(wxCoord x) const
682 { return m_pimpl->DeviceToLogicalX(x); }
683 wxCoord DeviceToLogicalY(wxCoord y) const;
684 { return m_pimpl->DeviceToLogicalY(y); }
685 wxCoord DeviceToLogicalXRel(wxCoord x) const;
686 { return m_pimpl->DeviceToLogicalXRel(x); }
687 wxCoord DeviceToLogicalYRel(wxCoord y) const;
688 { return m_pimpl->DeviceToLogicalYRel(y); }
689 wxCoord LogicalToDeviceX(wxCoord x) const;
690 { return m_pimpl->LogicalToDeviceX(x); }
691 wxCoord LogicalToDeviceY(wxCoord y) const;
692 { return m_pimpl->LogicalToDeviceY(y); }
693 wxCoord LogicalToDeviceXRel(wxCoord x) const;
694 { return m_pimpl->LogicalToDeviceXRel(x); }
695 wxCoord LogicalToDeviceYRel(wxCoord y) const;
696 { return m_pimpl->LogicalToDeviceYRel(y); }
697
698 void SetMapMode(int mode)
699 { m_pimpl->SetMapMode(mode); }
700 int GetMapMode() const
701 { return m_pimpl->GetMapMode(); }
702
703 void SetUserScale(double x, double y)
704 { m_pimpl->SetUserScale(x,y); }
705 void GetUserScale(double *x, double *y) const
706 { m_pimpl->GetUserScale( x, y ); }
707
708 void SetLogicalScale(double x, double y)
709 { m_pimpl->SetLogicalScale( x, y ); }
710 void GetLogicalScale(double *x, double *y)
711 { m_pimpl->GetLogicalScale( x, y ); }
712
713 void SetLogicalOrigin(wxCoord x, wxCoord y)
714 { m_pimpl->SetLogicalOrigin(x,y); }
715 void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
716 { m_pimpl->DoGetLogicalOrigin(x, y); }
717 wxPoint GetLogicalOrigin() const
718 { wxCoord x, y; m_pimpl->DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
719
720 void SetDeviceOrigin(wxCoord x, wxCoord y)
721 { m_pimpl->SetDeviceOrigin( x, y); }
722 void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
723 { m_pimpl->DoGetDeviceOrigin(x, y); }
724 wxPoint GetDeviceOrigin() const
725 { wxCoord x, y; m_pimpl->DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
726
727 void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
728 { m_pimpl->SetAxisOrientation(xLeftRight, yBottomUp); }
729
730 // mostly internal
731 void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
732 { m_pimpl->SetDeviceLocalOrigin( x, y ); }
733
734
735 // draw generic object
736
737 void DrawObject(wxDrawObject* drawobject)
738 {
739 drawobject->Draw(*this);
740 CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
741 CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
742 }
743
744 // -----------------------------------------------
745 // the actual drawing API
746
747 bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
748 int style = wxFLOOD_SURFACE)
749 { return m_pimpl->DoFloodFill(x, y, col, style); }
750 bool FloodFill(const wxPoint& pt, const wxColour& col,
751 int style = wxFLOOD_SURFACE)
752 { return m_pimpl->DoFloodFill(pt.x, pt.y, col, style); }
753
754 // fill the area specified by rect with a radial gradient, starting from
755 // initialColour in the centre of the cercle and fading to destColour.
756 void GradientFillConcentric(const wxRect& rect,
757 const wxColour& initialColour,
758 const wxColour& destColour)
759 { m_pimpl->GradientFillConcentric(rect, initialColour, destColour,
760 wxPoint(rect.GetWidth() / 2,
761 rect.GetHeight() / 2)); }
762
763 void GradientFillConcentric(const wxRect& rect,
764 const wxColour& initialColour,
765 const wxColour& destColour,
766 const wxPoint& circleCenter)
767 { m_pimpl->DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
768
769 // fill the area specified by rect with a linear gradient
770 void GradientFillLinear(const wxRect& rect,
771 const wxColour& initialColour,
772 const wxColour& destColour,
773 wxDirection nDirection = wxEAST)
774 { m_pimpl->DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
775
776 bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
777 { return m_pimpl->DoGetPixel(x, y, col); }
778 bool GetPixel(const wxPoint& pt, wxColour *col) const
779 { return m_pimpl->DoGetPixel(pt.x, pt.y, col); }
780
781 void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
782 { m_pimpl->DoDrawLine(x1, y1, x2, y2); }
783 void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
784 { m_pimpl->DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
785
786 void CrossHair(wxCoord x, wxCoord y)
787 { m_pimpl->DoCrossHair(x, y); }
788 void CrossHair(const wxPoint& pt)
789 { m_pimpl->DoCrossHair(pt.x, pt.y); }
790
791 void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
792 wxCoord xc, wxCoord yc)
793 { m_pimpl->DoDrawArc(x1, y1, x2, y2, xc, yc); }
794 void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
795 { m_pimpl->DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
796
797 void DrawCheckMark(wxCoord x, wxCoord y,
798 wxCoord width, wxCoord height)
799 { m_pimpl->DoDrawCheckMark(x, y, width, height); }
800 void DrawCheckMark(const wxRect& rect)
801 { m_pimpl->DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }
802
803 void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
804 double sa, double ea)
805 { m_pimpl->DoDrawEllipticArc(x, y, w, h, sa, ea); }
806 void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
807 double sa, double ea)
808 { m_pimpl->DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
809
810 void DrawPoint(wxCoord x, wxCoord y)
811 { m_pimpl->DoDrawPoint(x, y); }
812 void DrawPoint(const wxPoint& pt)
813 { m_pimpl->DoDrawPoint(pt.x, pt.y); }
814
815 void DrawLines(int n, wxPoint points[],
816 wxCoord xoffset = 0, wxCoord yoffset = 0)
817 { m_pimpl->DoDrawLines(n, points, xoffset, yoffset); }
818 void DrawLines(const wxList *list,
819 wxCoord xoffset = 0, wxCoord yoffset = 0)
820 { m_pimpl->DrawLines( list, xoffset, yoffset ); }
821
822 void DrawPolygon(int n, wxPoint points[],
823 wxCoord xoffset = 0, wxCoord yoffset = 0,
824 int fillStyle = wxODDEVEN_RULE)
825 { m_pimpl->DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
826
827 void DrawPolygon(const wxList *list,
828 wxCoord xoffset = 0, wxCoord yoffset = 0,
829 int fillStyle = wxODDEVEN_RULE)
830 { m_pimpl->DrawPolygon( list, xoffset, yoffset, fillStyle ); }
831
832 void DrawPolyPolygon(int n, int count[], wxPoint points[],
833 wxCoord xoffset = 0, wxCoord yoffset = 0,
834 int fillStyle = wxODDEVEN_RULE)
835 { m_pimpl->DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
836
837 void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
838 { m_pimpl->DoDrawRectangle(x, y, width, height); }
839 void DrawRectangle(const wxPoint& pt, const wxSize& sz)
840 { m_pimpl->DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
841 void DrawRectangle(const wxRect& rect)
842 { m_pimpl->DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
843
844 void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
845 double radius)
846 { m_pimpl->DoDrawRoundedRectangle(x, y, width, height, radius); }
847 void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
848 double radius)
849 { m_pimpl->DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
850 void DrawRoundedRectangle(const wxRect& r, double radius)
851 { m_pimpl->DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
852
853 void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
854 { m_pimpl->DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
855 void DrawCircle(const wxPoint& pt, wxCoord radius)
856 { m_pimpl->DrawCircle(pt.x, pt.y, radius); }
857
858 void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
859 { m_pimpl->DoDrawEllipse(x, y, width, height); }
860 void DrawEllipse(const wxPoint& pt, const wxSize& sz)
861 { m_pimpl->DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
862 void DrawEllipse(const wxRect& rect)
863 { m_pimpl->DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
864
865 void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
866 { m_pimpl->DoDrawIcon(icon, x, y); }
867 void DrawIcon(const wxIcon& icon, const wxPoint& pt)
868 { m_pimpl->DoDrawIcon(icon, pt.x, pt.y); }
869
870 void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
871 bool useMask = false)
872 { m_pimpl->DoDrawBitmap(bmp, x, y, useMask); }
873 void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
874 bool useMask = false)
875 { m_pimpl->DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
876
02255e07
RR		 877 virtual void DrawScaledBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
878 {
879 if (bmp.GetWidth() != w || bmp.GetHeight() != h)
880 {
881 if (quality != wxIMAGE_QUALITY_HIGH)
882 quality = wxIMAGE_QUALITY_NORMAL;
883 wxImage tmpImg = bmp.ConvertToImage();
884 tmpImg.Rescale( w, h, quality );
885 wxBitmap scaledBmp(tmpImg);
886 m_pimpl->DoDrawBitmap(scaledBmp, x, y, useMask);
887 }
888 else
889 m_pimpl->DoDrawBitmap(bmp, x, y, useMask);
890 }
891 virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxPoint& pt, const wxSize& sz, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
892 {
893 if (bmp.GetWidth() != sz.x || bmp.GetHeight() != sz.y)
894 {
895 if (quality != wxIMAGE_QUALITY_HIGH)
896 quality = wxIMAGE_QUALITY_NORMAL;
897 wxImage tmpImg = bmp.ConvertToImage();
898 tmpImg.Rescale( sz.x, sz.y, quality );
899 wxBitmap scaledBmp(tmpImg);
900 m_pimpl->DoDrawBitmap(scaledBmp, pt.x, pt.y, useMask);
901 }
902 else
903 m_pimpl->DoDrawBitmap(bmp, pt.x, pt.y, useMask);
904 }
905 virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxRect& rect, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
906 {
907 if (bmp.GetWidth() != rect.width || bmp.GetHeight() != rect.height)
908 {
909 if (quality != wxIMAGE_QUALITY_HIGH)
910 quality = wxIMAGE_QUALITY_NORMAL;
911 wxImage tmpImg = bmp.ConvertToImage();
912 tmpImg.Rescale( rect.width, rect.height, quality );
913 wxBitmap scaledBmp(tmpImg);
914 m_pimpl->DoDrawBitmap(scaledBmp, rect.x, rect.y, useMask);
915 }
916 else
917 m_pimpl->DoDrawBitmap(bmp, rect.x, rect.y, useMask);
918 }
919
2970ae54
RR		 920 void DrawText(const wxString& text, wxCoord x, wxCoord y)
921 { m_pimpl->DoDrawText(text, x, y); }
922 void DrawText(const wxString& text, const wxPoint& pt)
923 { m_pimpl->DoDrawText(text, pt.x, pt.y); }
924
925 void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
926 { m_pimpl->DoDrawRotatedText(text, x, y, angle); }
927 void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
928 { m_pimpl->DoDrawRotatedText(text, pt.x, pt.y, angle); }
929
930 // this version puts both optional bitmap and the text into the given
931 // rectangle and aligns is as specified by alignment parameter; it also
932 // will emphasize the character with the given index if it is != -1 and
933 // return the bounding rectangle if required
934 void DrawLabel(const wxString& text,
935 const wxBitmap& image,
936 const wxRect& rect,
937 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
938 int indexAccel = -1,
939 wxRect *rectBounding = NULL)
940 { m_pimpl->DrawLabel( text, image, rect, alignment, indexAccel, rectBounding ); }
941
942 void DrawLabel(const wxString& text, const wxRect& rect,
943 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
944 int indexAccel = -1)
945 { m_pimpl->DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
946
947 bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
948 wxDC *source, wxCoord xsrc, wxCoord ysrc,
949 int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
950 {
951 return m_pimpl->DoBlit(xdest, ydest, width, height,
952 source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
953 }
954 bool Blit(const wxPoint& destPt, const wxSize& sz,
955 wxDC *source, const wxPoint& srcPt,
956 int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
957 {
958 return m_pimpl->DoBlit(destPt.x, destPt.y, sz.x, sz.y,
959 source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
960 }
961
962 bool StretchBlit(wxCoord dstX, wxCoord dstY,
963 wxCoord dstWidth, wxCoord dstHeight,
964 wxDC *source,
965 wxCoord srcX, wxCoord srcY,
966 wxCoord srcWidth, wxCoord srcHeight,
967 int rop = wxCOPY, bool useMask = false,
968 wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
969 {
970 return m_pimpl->DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
971 source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
972 }
973 bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
974 wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
975 int rop = wxCOPY, bool useMask = false, const wxPoint& srcMaskPt = wxDefaultPosition)
976 {
977 return m_pimpl->DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
978 source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
979 }
980
981 wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
982 {
983 return m_pimpl->DoGetAsBitmap(subrect);
984 }
985
986#if wxUSE_SPLINES
987 // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
988 void DrawSpline(wxCoord x1, wxCoord y1,
989 wxCoord x2, wxCoord y2,
990 wxCoord x3, wxCoord y3)
991 { m_pimpl->DrawSpline(x1,y1,x2,y2,x3,y3); }
992 void DrawSpline(int n, wxPoint points[])
993 { m_pimpl->DrawSpline(n,points); }
994
995 void DrawSpline(wxList *points)
996 { m_pimpl->DoDrawSpline(points); }
997#endif // wxUSE_SPLINES
998
999
1000#if WXWIN_COMPATIBILITY_2_8
1001 // for compatibility with the old code when wxCoord was long everywhere
1002 wxDEPRECATED( void GetTextExtent(const wxString& string,
1003 long *x, long *y,
1004 long *descent = NULL,
1005 long *externalLeading = NULL,
1006 const wxFont *theFont = NULL) const );
1007 wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
1008 wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
1009 wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
1010#endif // WXWIN_COMPATIBILITY_2_8
1011
1012
1013protected:
1014 wxImplDC *m_pimpl;
1015
1016private:
1017 DECLARE_ABSTRACT_CLASS(wxImplDC)
1018}
1019
1020
1021#else // wxUSE_NEW_DC
1022
1023
b5dbe15d
VS		 1024class WXDLLIMPEXP_FWD_CORE wxDC;
1025class WXDLLIMPEXP_FWD_CORE wxDCBase;
aec43716
KH		 1026
1027class WXDLLEXPORT wxDrawObject
1028{
1029public:
1030
1031 wxDrawObject()
68379eaf 1032 : m_isBBoxValid(false)
ba161d7e
GD		 1033 , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
1034 { }
aec43716
KH		 1035
1036 virtual ~wxDrawObject() { }
1037
33ac7e6f 1038 virtual void Draw(wxDCBase&) const { }
aec43716
KH		 1039
1040 virtual void CalcBoundingBox(wxCoord x, wxCoord y)
1041 {
1042 if ( m_isBBoxValid )
1043 {
1044 if ( x < m_minX ) m_minX = x;
1045 if ( y < m_minY ) m_minY = y;
1046 if ( x > m_maxX ) m_maxX = x;
1047 if ( y > m_maxY ) m_maxY = y;
1048 }
1049 else
1050 {
68379eaf 1051 m_isBBoxValid = true;
aec43716
KH		 1052
1053 m_minX = x;
1054 m_minY = y;
1055 m_maxX = x;
1056 m_maxY = y;
1057 }
1058 }
1059
1060 void ResetBoundingBox()
1061 {
68379eaf 1062 m_isBBoxValid = false;
aec43716
KH		 1063
1064 m_minX = m_maxX = m_minY = m_maxY = 0;
1065 }
1066
1067 // Get the final bounding box of the PostScript or Metafile picture.
1068
1069 wxCoord MinX() const { return m_minX; }
1070 wxCoord MaxX() const { return m_maxX; }
1071 wxCoord MinY() const { return m_minY; }
1072 wxCoord MaxY() const { return m_maxY; }
1073
1074 //to define the type of object for derived objects
1075 virtual int GetType()=0;
1076
1077protected:
1078 //for boundingbox calculation
1079 bool m_isBBoxValid:1;
1080 //for boundingbox calculation
1081 wxCoord m_minX, m_minY, m_maxX, m_maxY;
1082};
1083
a23fd0e1
VZ		 1084// ---------------------------------------------------------------------------
1085// global variables
1086// ---------------------------------------------------------------------------
1087
a23fd0e1
VZ		 1088// ---------------------------------------------------------------------------
1089// wxDC is the device context - object on which any drawing is done
1090// ---------------------------------------------------------------------------
1091
1092class WXDLLEXPORT wxDCBase : public wxObject
1093{
a23fd0e1 1094public:
04ab8b6d
RR		 1095 wxDCBase();
1096 virtual ~wxDCBase();
1097
a23fd0e1
VZ		 1098 // graphic primitives
1099 // ------------------
1100
aec43716
KH		 1101 virtual void DrawObject(wxDrawObject* drawobject)
1102 {
1103 drawobject->Draw(*this);
1104 CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
1105 CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
1106 }
1107
387ebd3e 1108 bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
72cdf4c9 1109 int style = wxFLOOD_SURFACE)
387ebd3e
JS		 1110 { return DoFloodFill(x, y, col, style); }
1111 bool FloodFill(const wxPoint& pt, const wxColour& col,
72cdf4c9 1112 int style = wxFLOOD_SURFACE)
387ebd3e 1113 { return DoFloodFill(pt.x, pt.y, col, style); }
a23fd0e1 1114
213ad8e7
VZ		 1115 // fill the area specified by rect with a radial gradient, starting from
1116 // initialColour in the centre of the cercle and fading to destColour.
1117 void GradientFillConcentric(const wxRect& rect,
4660e6ac 1118 const wxColour& initialColour,
213ad8e7
VZ		 1119 const wxColour& destColour)
1120 { GradientFillConcentric(rect, initialColour, destColour,
1121 wxPoint(rect.GetWidth() / 2,
1122 rect.GetHeight() / 2)); }
1123
1124 void GradientFillConcentric(const wxRect& rect,
4660e6ac 1125 const wxColour& initialColour,
213ad8e7 1126 const wxColour& destColour,
fb63a242
SC		 1127 const wxPoint& circleCenter)
1128 { DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
213ad8e7
VZ		 1129
1130 // fill the area specified by rect with a linear gradient
1131 void GradientFillLinear(const wxRect& rect,
4660e6ac 1132 const wxColour& initialColour,
213ad8e7
VZ		 1133 const wxColour& destColour,
1134 wxDirection nDirection = wxEAST)
1135 { DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
1136
72cdf4c9 1137 bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
a23fd0e1
VZ		 1138 { return DoGetPixel(x, y, col); }
1139 bool GetPixel(const wxPoint& pt, wxColour *col) const
1140 { return DoGetPixel(pt.x, pt.y, col); }
1141
72cdf4c9 1142 void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
a23fd0e1
VZ		 1143 { DoDrawLine(x1, y1, x2, y2); }
1144 void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
1145 { DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
1146
72cdf4c9 1147 void CrossHair(wxCoord x, wxCoord y)
a23fd0e1
VZ		 1148 { DoCrossHair(x, y); }
1149 void CrossHair(const wxPoint& pt)
1150 { DoCrossHair(pt.x, pt.y); }
1151
72cdf4c9
VZ		 1152 void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
1153 wxCoord xc, wxCoord yc)
a23fd0e1
VZ		 1154 { DoDrawArc(x1, y1, x2, y2, xc, yc); }
1155 void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
1156 { DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
1157
cd9da200
VZ		 1158 void DrawCheckMark(wxCoord x, wxCoord y,
1159 wxCoord width, wxCoord height)
1160 { DoDrawCheckMark(x, y, width, height); }
1161 void DrawCheckMark(const wxRect& rect)
1162 { DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }
1163
72cdf4c9
VZ		 1164 void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
1165 double sa, double ea)
7b90a8f2 1166 { DoDrawEllipticArc(x, y, w, h, sa, ea); }
a23fd0e1
VZ		 1167 void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
1168 double sa, double ea)
1169 { DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
1170
72cdf4c9 1171 void DrawPoint(wxCoord x, wxCoord y)
a23fd0e1
VZ		 1172 { DoDrawPoint(x, y); }
1173 void DrawPoint(const wxPoint& pt)
1174 { DoDrawPoint(pt.x, pt.y); }
1175
72cdf4c9
VZ		 1176 void DrawLines(int n, wxPoint points[],
1177 wxCoord xoffset = 0, wxCoord yoffset = 0)
a23fd0e1 1178 { DoDrawLines(n, points, xoffset, yoffset); }
72cdf4c9
VZ		 1179 void DrawLines(const wxList *list,
1180 wxCoord xoffset = 0, wxCoord yoffset = 0);
a23fd0e1
VZ		 1181
1182 void DrawPolygon(int n, wxPoint points[],
72cdf4c9 1183 wxCoord xoffset = 0, wxCoord yoffset = 0,
a23fd0e1
VZ		 1184 int fillStyle = wxODDEVEN_RULE)
1185 { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
1186
1187 void DrawPolygon(const wxList *list,
72cdf4c9 1188 wxCoord xoffset = 0, wxCoord yoffset = 0,
bd5dd957 1189 int fillStyle = wxODDEVEN_RULE);
a23fd0e1 1190
793db755 1191 void DrawPolyPolygon(int n, int count[], wxPoint points[],
6e76b35d
VZ		 1192 wxCoord xoffset = 0, wxCoord yoffset = 0,
1193 int fillStyle = wxODDEVEN_RULE)
793db755 1194 { DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
6e76b35d 1195
72cdf4c9 1196 void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
a23fd0e1
VZ		 1197 { DoDrawRectangle(x, y, width, height); }
1198 void DrawRectangle(const wxPoint& pt, const wxSize& sz)
1199 { DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
1200 void DrawRectangle(const wxRect& rect)
1201 { DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
1202
72cdf4c9 1203 void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
a23fd0e1
VZ		 1204 double radius)
1205 { DoDrawRoundedRectangle(x, y, width, height, radius); }
1206 void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
1207 double radius)
1208 { DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
1209 void DrawRoundedRectangle(const wxRect& r, double radius)
1210 { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
1211
72cdf4c9 1212 void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
220af862 1213 { DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
0371e9a8 1214 void DrawCircle(const wxPoint& pt, wxCoord radius)
b95edd47 1215 { DrawCircle(pt.x, pt.y, radius); }
0371e9a8 1216
72cdf4c9 1217 void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
a23fd0e1
VZ		 1218 { DoDrawEllipse(x, y, width, height); }
1219 void DrawEllipse(const wxPoint& pt, const wxSize& sz)
1220 { DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
1221 void DrawEllipse(const wxRect& rect)
1222 { DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
1223
72cdf4c9 1224 void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
a23fd0e1
VZ		 1225 { DoDrawIcon(icon, x, y); }
1226 void DrawIcon(const wxIcon& icon, const wxPoint& pt)
1227 { DoDrawIcon(icon, pt.x, pt.y); }
1228
72cdf4c9 1229 void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
68379eaf 1230 bool useMask = false)
a23fd0e1
VZ		 1231 { DoDrawBitmap(bmp, x, y, useMask); }
1232 void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
68379eaf 1233 bool useMask = false)
a23fd0e1
VZ		 1234 { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
1235
02255e07
RR		 1236 virtual void DrawScaledBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, wxCoord w, wxCoord h, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
1237 {
1238 if (bmp.GetWidth() != w || bmp.GetHeight() != h)
1239 {
1240 if (quality != wxIMAGE_QUALITY_HIGH)
1241 quality = wxIMAGE_QUALITY_NORMAL;
1242 wxImage tmpImg = bmp.ConvertToImage();
1243 tmpImg.Rescale( w, h, quality );
1244 wxBitmap scaledBmp(tmpImg);
1245 DoDrawBitmap(scaledBmp, x, y, useMask);
1246 }
1247 else
1248 DoDrawBitmap(bmp, x, y, useMask);
1249 }
1250 virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxPoint& pt, const wxSize& sz, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
1251 {
1252 if (bmp.GetWidth() != sz.x || bmp.GetHeight() != sz.y)
1253 {
1254 if (quality != wxIMAGE_QUALITY_HIGH)
1255 quality = wxIMAGE_QUALITY_NORMAL;
1256 wxImage tmpImg = bmp.ConvertToImage();
1257 tmpImg.Rescale( sz.x, sz.y, quality );
1258 wxBitmap scaledBmp(tmpImg);
1259 DoDrawBitmap(scaledBmp, pt.x, pt.y, useMask);
1260 }
1261 else
1262 DoDrawBitmap(bmp, pt.x, pt.y, useMask);
1263 }
1264 virtual void DrawScaledBitmap(const wxBitmap &bmp, const wxRect& rect, bool useMask = false, int quality = wxIMAGE_QUALITY_NORMAL)
1265 {
1266 if (bmp.GetWidth() != rect.width || bmp.GetHeight() != rect.height)
1267 {
1268 if (quality != wxIMAGE_QUALITY_HIGH)
1269 quality = wxIMAGE_QUALITY_NORMAL;
1270 wxImage tmpImg = bmp.ConvertToImage();
1271 tmpImg.Rescale( rect.width, rect.height, quality );
1272 wxBitmap scaledBmp(tmpImg);
1273 DoDrawBitmap(scaledBmp, rect.x, rect.y, useMask);
1274 }
1275 else
1276 DoDrawBitmap(bmp, rect.x, rect.y, useMask);
1277 }
1278
72cdf4c9 1279 void DrawText(const wxString& text, wxCoord x, wxCoord y)
a23fd0e1
VZ		 1280 { DoDrawText(text, x, y); }
1281 void DrawText(const wxString& text, const wxPoint& pt)
1282 { DoDrawText(text, pt.x, pt.y); }
1283
95724b1a
VZ		 1284 void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1285 { DoDrawRotatedText(text, x, y, angle); }
1286 void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
1287 { DoDrawRotatedText(text, pt.x, pt.y, angle); }
1288
1e6feb95
VZ		 1289 // this version puts both optional bitmap and the text into the given
1290 // rectangle and aligns is as specified by alignment parameter; it also
1291 // will emphasize the character with the given index if it is != -1 and
1292 // return the bounding rectangle if required
1293 virtual void DrawLabel(const wxString& text,
1294 const wxBitmap& image,
1295 const wxRect& rect,
1296 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
1297 int indexAccel = -1,
1298 wxRect *rectBounding = NULL);
1299
1300 void DrawLabel(const wxString& text, const wxRect& rect,
1301 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
1302 int indexAccel = -1)
1303 { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
1304
72cdf4c9
VZ		 1305 bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1306 wxDC *source, wxCoord xsrc, wxCoord ysrc,
68379eaf 1307 int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)
a23fd0e1
VZ		 1308 {
1309 return DoBlit(xdest, ydest, width, height,
0cbff120 1310 source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
a23fd0e1
VZ		 1311 }
1312 bool Blit(const wxPoint& destPt, const wxSize& sz,
1313 wxDC *source, const wxPoint& srcPt,
68379eaf 1314 int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
a23fd0e1
VZ		 1315 {
1316 return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
0cbff120 1317 source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
a23fd0e1 1318 }
e3b81044
VZ		 1319
1320 bool StretchBlit(wxCoord dstX, wxCoord dstY,
1321 wxCoord dstWidth, wxCoord dstHeight,
1322 wxDC *source,
1323 wxCoord srcX, wxCoord srcY,
1324 wxCoord srcWidth, wxCoord srcHeight,
1325 int rop = wxCOPY, bool useMask = false,
1326 wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)
1327 {
1328 return DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
1329 source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
1330 }
1331 bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
1332 wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
1333 int rop = wxCOPY, bool useMask = false, const wxPoint& srcMaskPt = wxDefaultPosition)
1334 {
1335 return DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
1336 source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);
1337 }
1338
c59abe03 1339 wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
c64c9cd3 1340 {
c59abe03 1341 return DoGetAsBitmap(subrect);
c64c9cd3 1342 }
a23fd0e1
VZ		 1343
1344#if wxUSE_SPLINES
72cdf4c9
VZ		 1345 // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
1346 void DrawSpline(wxCoord x1, wxCoord y1,
1347 wxCoord x2, wxCoord y2,
1348 wxCoord x3, wxCoord y3);
bd5dd957 1349 void DrawSpline(int n, wxPoint points[]);
a23fd0e1
VZ		 1350
1351 void DrawSpline(wxList *points) { DoDrawSpline(points); }
1352#endif // wxUSE_SPLINES
1353
12bdd77c
JS		 1354 // Eventually we will have wxUSE_GENERIC_DRAWELLIPSE
1355#ifdef __WXWINCE__
1356 //! Generic method to draw ellipses, circles and arcs with current pen and brush.
1357 /*! \param x Upper left corner of bounding box.
1358 * \param y Upper left corner of bounding box.
1359 * \param w Width of bounding box.
1360 * \param h Height of bounding box.
d16b634f 1361 * \param sa Starting angle of arc
12bdd77c
JS		 1362 * (counterclockwise, start at 3 o'clock, 360 is full circle).
1363 * \param ea Ending angle of arc.
d16b634f 1364 * \param angle Rotation angle, the Arc will be rotated after
12bdd77c
JS		 1365 * calculating begin and end.
1366 */
d16b634f
VZ		 1367 void DrawEllipticArcRot( wxCoord x, wxCoord y,
1368 wxCoord width, wxCoord height,
12bdd77c
JS		 1369 double sa = 0, double ea = 0, double angle = 0 )
1370 { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }
d16b634f
VZ		 1371
1372 void DrawEllipticArcRot( const wxPoint& pt,
12bdd77c
JS		 1373 const wxSize& sz,
1374 double sa = 0, double ea = 0, double angle = 0 )
1375 { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }
1376
1377 void DrawEllipticArcRot( const wxRect& rect,
1378 double sa = 0, double ea = 0, double angle = 0 )
1379 { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
1380
d16b634f
VZ		 1381 virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
1382 wxCoord w, wxCoord h,
12bdd77c 1383 double sa = 0, double ea = 0, double angle = 0 );
d16b634f 1384
12bdd77c
JS		 1385 //! Rotates points around center.
1386 /*! This is a quite straight method, it calculates in pixels
1387 * and so it produces rounding errors.
1388 * \param points The points inside will be rotated.
1389 * \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
1390 * \param center Center of rotation.
d16b634f 1391 */
c47addef 1392 void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) );
12bdd77c
JS		 1393
1394 // used by DrawEllipticArcRot
1395 // Careful: wxList gets filled with points you have to delete later.
d16b634f
VZ		 1396 void CalculateEllipticPoints( wxList* points,
1397 wxCoord xStart, wxCoord yStart,
1398 wxCoord w, wxCoord h,
12bdd77c
JS		 1399 double sa, double ea );
1400#endif
d16b634f 1401
a23fd0e1
VZ		 1402 // global DC operations
1403 // --------------------
1404
1405 virtual void Clear() = 0;
1406
68379eaf 1407 virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
af0bb3b1 1408 virtual void EndDoc() { }
a23fd0e1 1409
af0bb3b1
VZ		 1410 virtual void StartPage() { }
1411 virtual void EndPage() { }
a23fd0e1 1412
2e992e06
VZ		 1413#if WXWIN_COMPATIBILITY_2_6
1414 wxDEPRECATED( void BeginDrawing() );
1415 wxDEPRECATED( void EndDrawing() );
1416#endif // WXWIN_COMPATIBILITY_2_6
1417
1418
a23fd0e1
VZ		 1419 // set objects to use for drawing
1420 // ------------------------------
1421
1422 virtual void SetFont(const wxFont& font) = 0;
1423 virtual void SetPen(const wxPen& pen) = 0;
1424 virtual void SetBrush(const wxBrush& brush) = 0;
1425 virtual void SetBackground(const wxBrush& brush) = 0;
1426 virtual void SetBackgroundMode(int mode) = 0;
d275c7eb 1427#if wxUSE_PALETTE
a23fd0e1 1428 virtual void SetPalette(const wxPalette& palette) = 0;
d275c7eb 1429#endif // wxUSE_PALETTE
a23fd0e1
VZ		 1430
1431 // clipping region
1432 // ---------------
1433
72cdf4c9 1434 void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
a23fd0e1
VZ		 1435 { DoSetClippingRegion(x, y, width, height); }
1436 void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
1437 { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
1438 void SetClippingRegion(const wxRect& rect)
1439 { DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
1440 void SetClippingRegion(const wxRegion& region)
1441 { DoSetClippingRegionAsRegion(region); }
1442
d16b634f 1443 virtual void DestroyClippingRegion() { ResetClipping(); }
a23fd0e1 1444
72cdf4c9 1445 void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
a23fd0e1
VZ		 1446 { DoGetClippingBox(x, y, w, h); }
1447 void GetClippingBox(wxRect& rect) const
8fb3a512 1448 {
ae500232 1449 DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height);
8fb3a512 1450 }
a23fd0e1
VZ		 1451
1452 // text extent
1453 // -----------
1454
72cdf4c9
VZ		 1455 virtual wxCoord GetCharHeight() const = 0;
1456 virtual wxCoord GetCharWidth() const = 0;
cd9da200 1457
1e6feb95 1458 // only works for single line strings
72cdf4c9
VZ		 1459 void GetTextExtent(const wxString& string,
1460 wxCoord *x, wxCoord *y,
1461 wxCoord *descent = NULL,
1462 wxCoord *externalLeading = NULL,
c94f845b 1463 const wxFont *theFont = NULL) const
72cdf4c9 1464 { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
a23fd0e1 1465
cc4f194e
VZ		 1466 wxSize GetTextExtent(const wxString& string) const
1467 {
1468 wxCoord w, h;
1469 DoGetTextExtent(string, &w, &h);
1470 return wxSize(w, h);
1471 }
1472
1e6feb95 1473 // works for single as well as multi-line strings
cc4f194e 1474 virtual void GetMultiLineTextExtent(const wxString& string,
1e6feb95
VZ		 1475 wxCoord *width,
1476 wxCoord *height,
1477 wxCoord *heightLine = NULL,
c94f845b 1478 const wxFont *font = NULL) const;
1e6feb95 1479
cc4f194e
VZ		 1480 wxSize GetMultiLineTextExtent(const wxString& string) const
1481 {
1482 wxCoord w, h;
1483 GetMultiLineTextExtent(string, &w, &h);
1484 return wxSize(w, h);
1485 }
1486
0919e93e
RD		 1487 // Measure cumulative width of text after each character
1488 bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
1489 { return DoGetPartialTextExtents(text, widths); }
1490
d16b634f 1491
a23fd0e1
VZ		 1492 // size and resolution
1493 // -------------------
1494
1495 // in device units
1496 void GetSize(int *width, int *height) const
1497 { DoGetSize(width, height); }
1498 wxSize GetSize() const
1499 {
1500 int w, h;
1501 DoGetSize(&w, &h);
1502
1503 return wxSize(w, h);
1504 }
1505
1506 // in mm
1507 void GetSizeMM(int* width, int* height) const
1508 { DoGetSizeMM(width, height); }
1509 wxSize GetSizeMM() const
1510 {
1511 int w, h;
1512 DoGetSizeMM(&w, &h);
1513
1514 return wxSize(w, h);
1515 }
1516
a23fd0e1
VZ		 1517 // query DC capabilities
1518 // ---------------------
1519
1520 virtual bool CanDrawBitmap() const = 0;
1521 virtual bool CanGetTextExtent() const = 0;
1522
1523 // colour depth
1524 virtual int GetDepth() const = 0;
1525
1526 // Resolution in Pixels per inch
1527 virtual wxSize GetPPI() const = 0;
1528
b7cacb43
VZ		 1529 virtual bool Ok() const { return IsOk(); }
1530 virtual bool IsOk() const { return m_ok; }
a23fd0e1 1531
2439f37a
VZ		 1532 // accessors and setters
1533 // ---------------------
a23fd0e1 1534
2e992e06
VZ		 1535 virtual int GetBackgroundMode() const { return m_backgroundMode; }
1536 virtual const wxBrush& GetBackground() const { return m_backgroundBrush; }
1537 virtual const wxBrush& GetBrush() const { return m_brush; }
1538 virtual const wxFont& GetFont() const { return m_font; }
1539 virtual const wxPen& GetPen() const { return m_pen; }
a23fd0e1 1540
2e992e06
VZ		 1541 virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
1542 virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
a23fd0e1
VZ		 1543 virtual void SetTextForeground(const wxColour& colour)
1544 { m_textForegroundColour = colour; }
1545 virtual void SetTextBackground(const wxColour& colour)
1546 { m_textBackgroundColour = colour; }
1547
04ab8b6d
RR		 1548
1549 // coordinates conversions and transforms
1550 // --------------------------------------
1551
1552 virtual wxCoord DeviceToLogicalX(wxCoord x) const;
1553 virtual wxCoord DeviceToLogicalY(wxCoord y) const;
1554 virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
1555 virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
1556 virtual wxCoord LogicalToDeviceX(wxCoord x) const;
1557 virtual wxCoord LogicalToDeviceY(wxCoord y) const;
1558 virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
1559 virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;
1560
1561 virtual void SetMapMode(int mode);
2e992e06 1562 virtual int GetMapMode() const { return m_mappingMode; }
a23fd0e1 1563
04ab8b6d 1564 virtual void SetUserScale(double x, double y);
a23fd0e1
VZ		 1565 virtual void GetUserScale(double *x, double *y) const
1566 {
1567 if ( x ) *x = m_userScaleX;
1568 if ( y ) *y = m_userScaleY;
1569 }
a23fd0e1 1570
04ab8b6d 1571 virtual void SetLogicalScale(double x, double y);
a23fd0e1
VZ		 1572 virtual void GetLogicalScale(double *x, double *y)
1573 {
1574 if ( x ) *x = m_logicalScaleX;
1575 if ( y ) *y = m_logicalScaleY;
1576 }
a23fd0e1 1577
04ab8b6d 1578 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
72cdf4c9 1579 void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
a23fd0e1
VZ		 1580 { DoGetLogicalOrigin(x, y); }
1581 wxPoint GetLogicalOrigin() const
72cdf4c9 1582 { wxCoord x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
a23fd0e1 1583
04ab8b6d 1584 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
72cdf4c9 1585 void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
a23fd0e1
VZ		 1586 { DoGetDeviceOrigin(x, y); }
1587 wxPoint GetDeviceOrigin() const
72cdf4c9 1588 { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
04ab8b6d
RR		 1589
1590 virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );
a23fd0e1 1591
04ab8b6d 1592 virtual void ComputeScaleAndOrigin();
b1263dcf 1593
04ab8b6d
RR		 1594 // this needs to overidden if the axis is inverted (such
1595 // as when using Postscript, where 0,0 is the lower left
1596 // corner, not the upper left).
1597 virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
a23fd0e1 1598
04ab8b6d
RR		 1599 // logical functions
1600 // ---------------------------
1601
2e992e06 1602 virtual int GetLogicalFunction() const { return m_logicalFunction; }
a23fd0e1
VZ		 1603 virtual void SetLogicalFunction(int function) = 0;
1604
a23fd0e1
VZ		 1605 // bounding box
1606 // ------------
1607
72cdf4c9 1608 virtual void CalcBoundingBox(wxCoord x, wxCoord y)
a23fd0e1 1609 {
f6bcfd97
BP		 1610 if ( m_isBBoxValid )
1611 {
1612 if ( x < m_minX ) m_minX = x;
1613 if ( y < m_minY ) m_minY = y;
1614 if ( x > m_maxX ) m_maxX = x;
1615 if ( y > m_maxY ) m_maxY = y;
1616 }
1617 else
1618 {
68379eaf 1619 m_isBBoxValid = true;
f6bcfd97
BP		 1620
1621 m_minX = x;
1622 m_minY = y;
1623 m_maxX = x;
1624 m_maxY = y;
1625 }
1626 }
1627
1628 void ResetBoundingBox()
1629 {
68379eaf 1630 m_isBBoxValid = false;
f6bcfd97
BP		 1631
1632 m_minX = m_maxX = m_minY = m_maxY = 0;
a23fd0e1
VZ		 1633 }
1634
1635 // Get the final bounding box of the PostScript or Metafile picture.
72cdf4c9
VZ		 1636 wxCoord MinX() const { return m_minX; }
1637 wxCoord MaxX() const { return m_maxX; }
1638 wxCoord MinY() const { return m_minY; }
1639 wxCoord MaxY() const { return m_maxY; }
a23fd0e1
VZ		 1640
1641 // misc old functions
1642 // ------------------
1643
ad973712 1644#if WXWIN_COMPATIBILITY_2_8
72cdf4c9 1645 // for compatibility with the old code when wxCoord was long everywhere
1f540d96 1646 wxDEPRECATED( void GetTextExtent(const wxString& string,
72cdf4c9
VZ		 1647 long *x, long *y,
1648 long *descent = NULL,
1649 long *externalLeading = NULL,
cfa87e81
RR		 1650 const wxFont *theFont = NULL) const );
1651 wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
1652 wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
1653 wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
ad973712 1654#endif // WXWIN_COMPATIBILITY_2_8
72cdf4c9 1655
6ae7410f
VZ		 1656 // RTL related functions
1657 // ---------------------
1658
1659 // get or change the layout direction (LTR or RTL) for this dc,
1660 // wxLayout_Default is returned if layout direction is not supported
1661 virtual wxLayoutDirection GetLayoutDirection() const
1662 { return wxLayout_Default; }
1663 virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
1664 { }
1665
a23fd0e1
VZ		 1666protected:
1667 // the pure virtual functions which should be implemented by wxDC
387ebd3e 1668 virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
a23fd0e1
VZ		 1669 int style = wxFLOOD_SURFACE) = 0;
1670
213ad8e7
VZ		 1671 virtual void DoGradientFillLinear(const wxRect& rect,
1672 const wxColour& initialColour,
1673 const wxColour& destColour,
1674 wxDirection nDirection = wxEAST);
4660e6ac 1675
fb63a242
SC		 1676 virtual void DoGradientFillConcentric(const wxRect& rect,
1677 const wxColour& initialColour,
1678 const wxColour& destColour,
1679 const wxPoint& circleCenter);
1680
72cdf4c9 1681 virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
a23fd0e1 1682
72cdf4c9
VZ		 1683 virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
1684 virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
a23fd0e1 1685
72cdf4c9
VZ		 1686 virtual void DoDrawArc(wxCoord x1, wxCoord y1,
1687 wxCoord x2, wxCoord y2,
1688 wxCoord xc, wxCoord yc) = 0;
cd9da200
VZ		 1689 virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
1690 wxCoord width, wxCoord height);
72cdf4c9 1691 virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
a23fd0e1
VZ		 1692 double sa, double ea) = 0;
1693
72cdf4c9
VZ		 1694 virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
1695 virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
1696 wxCoord width, wxCoord height,
a23fd0e1 1697 double radius) = 0;
72cdf4c9
VZ		 1698 virtual void DoDrawEllipse(wxCoord x, wxCoord y,
1699 wxCoord width, wxCoord height) = 0;
a23fd0e1 1700
72cdf4c9 1701 virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
a23fd0e1 1702
72cdf4c9
VZ		 1703 virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
1704 virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
68379eaf 1705 bool useMask = false) = 0;
a23fd0e1 1706
72cdf4c9 1707 virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
95724b1a
VZ		 1708 virtual void DoDrawRotatedText(const wxString& text,
1709 wxCoord x, wxCoord y, double angle) = 0;
a23fd0e1 1710
72cdf4c9
VZ		 1711 virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
1712 wxCoord width, wxCoord height,
e3b81044
VZ		 1713 wxDC *source,
1714 wxCoord xsrc, wxCoord ysrc,
1715 int rop = wxCOPY,
1716 bool useMask = false,
1717 wxCoord xsrcMask = wxDefaultCoord,
1718 wxCoord ysrcMask = wxDefaultCoord) = 0;
1719
1720 virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
1721 wxCoord dstWidth, wxCoord dstHeight,
1722 wxDC *source,
1723 wxCoord xsrc, wxCoord ysrc,
1724 wxCoord srcWidth, wxCoord srcHeight,
1725 int rop = wxCOPY,
1726 bool useMask = false,
1727 wxCoord xsrcMask = wxDefaultCoord,
1728 wxCoord ysrcMask = wxDefaultCoord);
1729
1730 virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
1731 { return wxNullBitmap; }
c64c9cd3 1732
a23fd0e1
VZ		 1733 virtual void DoGetSize(int *width, int *height) const = 0;
1734 virtual void DoGetSizeMM(int* width, int* height) const = 0;
1735
1736 virtual void DoDrawLines(int n, wxPoint points[],
72cdf4c9 1737 wxCoord xoffset, wxCoord yoffset) = 0;
a23fd0e1 1738 virtual void DoDrawPolygon(int n, wxPoint points[],
72cdf4c9 1739 wxCoord xoffset, wxCoord yoffset,
a23fd0e1 1740 int fillStyle = wxODDEVEN_RULE) = 0;
793db755 1741 virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
6e76b35d
VZ		 1742 wxCoord xoffset, wxCoord yoffset,
1743 int fillStyle);
a23fd0e1
VZ		 1744
1745 virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
72cdf4c9
VZ		 1746 virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
1747 wxCoord width, wxCoord height) = 0;
b0e0d661 1748
72cdf4c9
VZ		 1749 virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
1750 wxCoord *w, wxCoord *h) const
a23fd0e1 1751 {
d16b634f
VZ		 1752 if ( x )
1753 *x = m_clipX1;
1754 if ( y )
1755 *y = m_clipY1;
1756 if ( w )
1757 *w = m_clipX2 - m_clipX1;
1758 if ( h )
1759 *h = m_clipY2 - m_clipY1;
a23fd0e1
VZ		 1760 }
1761
72cdf4c9 1762 virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
a23fd0e1
VZ		 1763 {
1764 if ( x ) *x = m_logicalOriginX;
1765 if ( y ) *y = m_logicalOriginY;
1766 }
1767
72cdf4c9 1768 virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
a23fd0e1
VZ		 1769 {
1770 if ( x ) *x = m_deviceOriginX;
1771 if ( y ) *y = m_deviceOriginY;
1772 }
1773
72cdf4c9
VZ		 1774 virtual void DoGetTextExtent(const wxString& string,
1775 wxCoord *x, wxCoord *y,
1776 wxCoord *descent = NULL,
1777 wxCoord *externalLeading = NULL,
c94f845b 1778 const wxFont *theFont = NULL) const = 0;
d16b634f 1779
0919e93e 1780 virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
d16b634f 1781
64698f9a 1782#if wxUSE_SPLINES
fe2e4366 1783 virtual void DoDrawSpline(wxList *points);
64698f9a 1784#endif
a23fd0e1
VZ		 1785
1786protected:
d16b634f
VZ		 1787 // unset clipping variables (after clipping region was destroyed)
1788 void ResetClipping()
1789 {
1790 m_clipping = false;
1791
1792 m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
1793 }
1794
a23fd0e1
VZ		 1795 // flags
1796 bool m_colour:1;
1797 bool m_ok:1;
1798 bool m_clipping:1;
1799 bool m_isInteractive:1;
f6bcfd97 1800 bool m_isBBoxValid:1;
a23fd0e1
VZ		 1801
1802 // coordinate system variables
1803
1804 // TODO short descriptions of what exactly they are would be nice...
1805
72cdf4c9 1806 wxCoord m_logicalOriginX, m_logicalOriginY;
04ab8b6d
RR		 1807 wxCoord m_deviceOriginX, m_deviceOriginY; // Usually 0,0, can be change by user
1808
1809 wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
1810 // is not at 0,0. This was the case under
1811 // Mac's GrafPorts (coordinate system
1812 // used toplevel window's origin) and
1813 // e.g. for Postscript, where the native
1814 // origin in the bottom left corner.
a23fd0e1
VZ		 1815 double m_logicalScaleX, m_logicalScaleY;
1816 double m_userScaleX, m_userScaleY;
04ab8b6d 1817 double m_scaleX, m_scaleY; // calculated from logical scale and user scale
a23fd0e1
VZ		 1818
1819 // Used by SetAxisOrientation() to invert the axes
1820 int m_signX, m_signY;
1821
04ab8b6d
RR		 1822 // what is a mm on a screen you don't know the size of?
1823 double m_mm_to_pix_x,
1824 m_mm_to_pix_y;
1825
a23fd0e1 1826 // bounding and clipping boxes
72cdf4c9
VZ		 1827 wxCoord m_minX, m_minY, m_maxX, m_maxY;
1828 wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
a23fd0e1
VZ		 1829
1830 int m_logicalFunction;
1831 int m_backgroundMode;
1832 int m_mappingMode;
1833
1834 // GDI objects
1835 wxPen m_pen;
1836 wxBrush m_brush;
1837 wxBrush m_backgroundBrush;
1838 wxColour m_textForegroundColour;
1839 wxColour m_textBackgroundColour;
1840 wxFont m_font;
d275c7eb
VZ		 1841
1842#if wxUSE_PALETTE
a23fd0e1 1843 wxPalette m_palette;
b95edd47 1844 bool m_hasCustomPalette;
d275c7eb 1845#endif // wxUSE_PALETTE
a23fd0e1
VZ		 1846
1847private:
ac84e37d 1848 DECLARE_NO_COPY_CLASS(wxDCBase)
cd9da200 1849 DECLARE_ABSTRACT_CLASS(wxDCBase)
a23fd0e1
VZ		 1850};
1851
2970ae54
RR		 1852#endif // wxUSE_NEW_DC
1853
a23fd0e1
VZ		 1854// ----------------------------------------------------------------------------
1855// now include the declaration of wxDC class
1856// ----------------------------------------------------------------------------
1857
4055ed82 1858#if defined(__WXPALMOS__)
ffecfa5a
JS		 1859 #include "wx/palmos/dc.h"
1860#elif defined(__WXMSW__)
a23fd0e1 1861 #include "wx/msw/dc.h"
2049ba38 1862#elif defined(__WXMOTIF__)
a23fd0e1 1863 #include "wx/motif/dc.h"
1be7a35c 1864#elif defined(__WXGTK20__)
a23fd0e1 1865 #include "wx/gtk/dc.h"
1be7a35c
MR		 1866#elif defined(__WXGTK__)
1867 #include "wx/gtk1/dc.h"
83df96d6
JS		 1868#elif defined(__WXX11__)
1869 #include "wx/x11/dc.h"
1e6feb95
VZ		 1870#elif defined(__WXMGL__)
1871 #include "wx/mgl/dc.h"
b3c86150
VS		 1872#elif defined(__WXDFB__)
1873 #include "wx/dfb/dc.h"
34138703 1874#elif defined(__WXMAC__)
a23fd0e1 1875 #include "wx/mac/dc.h"
f4515f98
DE		 1876#elif defined(__WXCOCOA__)
1877 #include "wx/cocoa/dc.h"
1777b9bb
DW		 1878#elif defined(__WXPM__)
1879 #include "wx/os2/dc.h"
c801d85f
KB		 1880#endif
1881
8acd14d1
SC		 1882#if wxUSE_GRAPHICS_CONTEXT
1883 #include "wx/dcgraph.h"
1884#endif
1885
1e6feb95
VZ		 1886// ----------------------------------------------------------------------------
1887// helper class: you can use it to temporarily change the DC text colour and
1888// restore it automatically when the object goes out of scope
1889// ----------------------------------------------------------------------------
1890
1891class WXDLLEXPORT wxDCTextColourChanger
1892{
1893public:
ba161d7e 1894 wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
1e6feb95 1895
1b97b23d
VS		 1896 wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
1897 {
1898 Set(col);
1899 }
1900
1e6feb95
VZ		 1901 ~wxDCTextColourChanger()
1902 {
1903 if ( m_colFgOld.Ok() )
1904 m_dc.SetTextForeground(m_colFgOld);
1905 }
1906
1907 void Set(const wxColour& col)
1908 {
1909 if ( !m_colFgOld.Ok() )
1910 m_colFgOld = m_dc.GetTextForeground();
1911 m_dc.SetTextForeground(col);
1912 }
1913
1914private:
1915 wxDC& m_dc;
1916
1917 wxColour m_colFgOld;
fc7a2a60
VZ		 1918
1919 DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
1e6feb95
VZ		 1920};
1921
4660e6ac
WS		 1922// ----------------------------------------------------------------------------
1923// helper class: you can use it to temporarily change the DC pen and
1924// restore it automatically when the object goes out of scope
1925// ----------------------------------------------------------------------------
1926
1927class WXDLLEXPORT wxDCPenChanger
1928{
1929public:
0164f8eb
WS		 1930 wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
1931 {
1932 m_dc.SetPen(pen);
1933 }
4660e6ac
WS		 1934
1935 ~wxDCPenChanger()
1936 {
1937 if ( m_penOld.Ok() )
1938 m_dc.SetPen(m_penOld);
1939 }
1940
4660e6ac
WS		 1941private:
1942 wxDC& m_dc;
1943
1944 wxPen m_penOld;
1945
1946 DECLARE_NO_COPY_CLASS(wxDCPenChanger)
1947};
1948
1949// ----------------------------------------------------------------------------
1950// helper class: you can use it to temporarily change the DC brush and
1951// restore it automatically when the object goes out of scope
1952// ----------------------------------------------------------------------------
1953
1954class WXDLLEXPORT wxDCBrushChanger
1955{
1956public:
0164f8eb
WS		 1957 wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
1958 {
1959 m_dc.SetBrush(brush);
1960 }
4660e6ac
WS		 1961
1962 ~wxDCBrushChanger()
1963 {
1964 if ( m_brushOld.Ok() )
1965 m_dc.SetBrush(m_brushOld);
1966 }
1967
4660e6ac
WS		 1968private:
1969 wxDC& m_dc;
1970
1971 wxBrush m_brushOld;
1972
1973 DECLARE_NO_COPY_CLASS(wxDCBrushChanger)
1974};
1975
e26be42b
VZ		 1976// ----------------------------------------------------------------------------
1977// another small helper class: sets the clipping region in its ctor and
1978// destroys it in the dtor
1979// ----------------------------------------------------------------------------
1980
1981class WXDLLEXPORT wxDCClipper
1982{
1983public:
fc298ea7
VZ		 1984 wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
1985 { dc.SetClippingRegion(r); }
e26be42b
VZ		 1986 wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
1987 { dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
1988 wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
1989 { dc.SetClippingRegion(x, y, w, h); }
1990
1991 ~wxDCClipper() { m_dc.DestroyClippingRegion(); }
1992
1993private:
1994 wxDC& m_dc;
fc7a2a60
VZ		 1995
1996 DECLARE_NO_COPY_CLASS(wxDCClipper)
e26be42b
VZ		 1997};
1998
8b56b16a 1999#endif // _WX_DC_H_BASE_
wxWidgets (Impactor)