include/wx/dc.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dc.h
   3 // Purpose:     wxDC class
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     05/25/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DC_H_BASE_
  13 #define _WX_DC_H_BASE_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "dcbase.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // headers which we must include here
  21 // ----------------------------------------------------------------------------
  22
  23 #include "wx/object.h"          // the base class
  24
  25 #include "wx/cursor.h"          // we have member variables of these classes
  26 #include "wx/font.h"            // so we can't do without them
  27 #include "wx/colour.h"
  28 #include "wx/brush.h"
  29 #include "wx/pen.h"
  30 #include "wx/palette.h"
  31
  32 #include "wx/list.h"            // we use wxList in inline functions
  33
  34 // ---------------------------------------------------------------------------
  35 // global variables
  36 // ---------------------------------------------------------------------------
  37
  38 WXDLLEXPORT_DATA(extern int) wxPageNumber;
  39
  40 // ---------------------------------------------------------------------------
  41 // wxDC is the device context - object on which any drawing is done
  42 // ---------------------------------------------------------------------------
  43
  44 class WXDLLEXPORT wxDCBase : public wxObject
  45 {
  46     DECLARE_ABSTRACT_CLASS(wxDCBase)
  47
  48 public:
  49     wxDCBase()
  50     {
  51         m_clipping = FALSE;
  52         m_ok = TRUE;
  53
  54         m_minX = m_minY = m_maxX = m_maxY = 0;
  55
  56         m_signX = m_signY = 1;
  57
  58         m_logicalOriginX = m_logicalOriginY =
  59         m_deviceOriginX = m_deviceOriginY = 0;
  60
  61         m_logicalScaleX = m_logicalScaleY =
  62         m_userScaleX = m_userScaleY =
  63         m_scaleX = m_scaleY = 1.0;
  64
  65         m_logicalFunction = -1;
  66
  67         m_backgroundMode = wxTRANSPARENT;
  68
  69         m_mappingMode = wxMM_TEXT;
  70
  71         m_backgroundBrush = *wxTRANSPARENT_BRUSH;
  72
  73         m_textForegroundColour = *wxBLACK;
  74         m_textBackgroundColour = *wxWHITE;
  75
  76         m_colour = wxColourDisplay();
  77     }
  78
  79     ~wxDCBase() { }
  80
  81     virtual void BeginDrawing() { }
  82     virtual void EndDrawing() { }
  83
  84     // graphic primitives
  85     // ------------------
  86
  87     void FloodFill(wxCoord x, wxCoord y, const wxColour& col,
  88                    int style = wxFLOOD_SURFACE)
  89         { DoFloodFill(x, y, col, style); }
  90     void FloodFill(const wxPoint& pt, const wxColour& col,
  91                    int style = wxFLOOD_SURFACE)
  92         { DoFloodFill(pt.x, pt.y, col, style); }
  93
  94     bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
  95         { return DoGetPixel(x, y, col); }
  96     bool GetPixel(const wxPoint& pt, wxColour *col) const
  97         { return DoGetPixel(pt.x, pt.y, col); }
  98
  99     void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 100         { DoDrawLine(x1, y1, x2, y2); }
 101     void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
 102         { DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
 103
 104     void CrossHair(wxCoord x, wxCoord y)
 105         { DoCrossHair(x, y); }
 106     void CrossHair(const wxPoint& pt)
 107         { DoCrossHair(pt.x, pt.y); }
 108
 109     void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 110                  wxCoord xc, wxCoord yc)
 111         { DoDrawArc(x1, y1, x2, y2, xc, yc); }
 112     void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
 113         { DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
 114
 115     void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 116                          double sa, double ea)
 117         { DoDrawEllipticArc(x, y, w, h, sa, ea); }
 118     void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
 119                          double sa, double ea)
 120         { DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
 121
 122     void DrawPoint(wxCoord x, wxCoord y)
 123         { DoDrawPoint(x, y); }
 124     void DrawPoint(const wxPoint& pt)
 125         { DoDrawPoint(pt.x, pt.y); }
 126
 127     void DrawLines(int n, wxPoint points[],
 128                    wxCoord xoffset = 0, wxCoord yoffset = 0)
 129         { DoDrawLines(n, points, xoffset, yoffset); }
 130     void DrawLines(const wxList *list,
 131                    wxCoord xoffset = 0, wxCoord yoffset = 0);
 132
 133     void DrawPolygon(int n, wxPoint points[],
 134                      wxCoord xoffset = 0, wxCoord yoffset = 0,
 135                      int fillStyle = wxODDEVEN_RULE)
 136         { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
 137
 138     void DrawPolygon(const wxList *list,
 139                      wxCoord xoffset = 0, wxCoord yoffset = 0,
 140                      int fillStyle = wxODDEVEN_RULE);
 141
 142     void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 143         { DoDrawRectangle(x, y, width, height); }
 144     void DrawRectangle(const wxPoint& pt, const wxSize& sz)
 145         { DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
 146     void DrawRectangle(const wxRect& rect)
 147         { DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
 148
 149     void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
 150                               double radius)
 151         { DoDrawRoundedRectangle(x, y, width, height, radius); }
 152     void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
 153                              double radius)
 154         { DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
 155     void DrawRoundedRectangle(const wxRect& r, double radius)
 156         { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
 157
 158     void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
 159         { DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
 160     void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 161         { DoDrawEllipse(x, y, width, height); }
 162     void DrawEllipse(const wxPoint& pt, const wxSize& sz)
 163         { DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
 164     void DrawEllipse(const wxRect& rect)
 165         { DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
 166
 167     void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 168         { DoDrawIcon(icon, x, y); }
 169     void DrawIcon(const wxIcon& icon, const wxPoint& pt)
 170         { DoDrawIcon(icon, pt.x, pt.y); }
 171
 172     void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 173                     bool useMask = FALSE)
 174         { DoDrawBitmap(bmp, x, y, useMask); }
 175     void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
 176                     bool useMask = FALSE)
 177         { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
 178
 179     void DrawText(const wxString& text, wxCoord x, wxCoord y)
 180         { DoDrawText(text, x, y); }
 181     void DrawText(const wxString& text, const wxPoint& pt)
 182         { DoDrawText(text, pt.x, pt.y); }
 183
 184     bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 185               wxDC *source, wxCoord xsrc, wxCoord ysrc,
 186               int rop = wxCOPY, bool useMask = FALSE)
 187     {
 188         return DoBlit(xdest, ydest, width, height,
 189                       source, xsrc, ysrc, rop, useMask);
 190     }
 191     bool Blit(const wxPoint& destPt, const wxSize& sz,
 192               wxDC *source, const wxPoint& srcPt,
 193               int rop = wxCOPY, bool useMask = FALSE)
 194     {
 195         return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
 196                       source, srcPt.x, srcPt.y, rop, useMask);
 197     }
 198
 199 #if wxUSE_SPLINES
 200     // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
 201     void DrawSpline(wxCoord x1, wxCoord y1,
 202                     wxCoord x2, wxCoord y2,
 203                     wxCoord x3, wxCoord y3);
 204     void DrawSpline(int n, wxPoint points[]);
 205
 206     void DrawSpline(wxList *points) { DoDrawSpline(points); }
 207 #endif // wxUSE_SPLINES
 208
 209     // global DC operations
 210     // --------------------
 211
 212     virtual void Clear() = 0;
 213
 214     virtual bool StartDoc(const wxString& WXUNUSED(message)) { return TRUE; }
 215     virtual void EndDoc() { }
 216
 217     virtual void StartPage() { }
 218     virtual void EndPage() { }
 219
 220     // set objects to use for drawing
 221     // ------------------------------
 222
 223     virtual void SetFont(const wxFont& font) = 0;
 224     virtual void SetPen(const wxPen& pen) = 0;
 225     virtual void SetBrush(const wxBrush& brush) = 0;
 226     virtual void SetBackground(const wxBrush& brush) = 0;
 227     virtual void SetBackgroundMode(int mode) = 0;
 228     virtual void SetPalette(const wxPalette& palette) = 0;
 229
 230     // clipping region
 231     // ---------------
 232
 233     void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 234         { DoSetClippingRegion(x, y, width, height); }
 235     void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
 236         { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
 237     void SetClippingRegion(const wxRect& rect)
 238         { DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
 239     void SetClippingRegion(const wxRegion& region)
 240         { DoSetClippingRegionAsRegion(region); }
 241
 242     virtual void DestroyClippingRegion() = 0;
 243
 244     void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
 245         { DoGetClippingBox(x, y, w, h); }
 246     void GetClippingBox(wxRect& rect) const
 247         { DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
 248
 249     // text extent
 250     // -----------
 251
 252     virtual wxCoord GetCharHeight() const = 0;
 253     virtual wxCoord GetCharWidth() const = 0;
 254     void GetTextExtent(const wxString& string,
 255                        wxCoord *x, wxCoord *y,
 256                        wxCoord *descent = NULL,
 257                        wxCoord *externalLeading = NULL,
 258                        wxFont *theFont = NULL) const
 259         { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
 260
 261     // size and resolution
 262     // -------------------
 263
 264     // in device units
 265     void GetSize(int *width, int *height) const
 266         { DoGetSize(width, height); }
 267     wxSize GetSize() const
 268     {
 269         int w, h;
 270         DoGetSize(&w, &h);
 271
 272         return wxSize(w, h);
 273     }
 274
 275     // in mm
 276     void GetSizeMM(int* width, int* height) const
 277         { DoGetSizeMM(width, height); }
 278     wxSize GetSizeMM() const
 279     {
 280         int w, h;
 281         DoGetSizeMM(&w, &h);
 282
 283         return wxSize(w, h);
 284     }
 285
 286     // coordinates conversions
 287     // -----------------------
 288
 289     // This group of functions does actual conversion of the input, as you'd
 290     // expect.
 291     wxCoord DeviceToLogicalX(wxCoord x) const;
 292     wxCoord DeviceToLogicalY(wxCoord y) const;
 293     wxCoord DeviceToLogicalXRel(wxCoord x) const;
 294     wxCoord DeviceToLogicalYRel(wxCoord y) const;
 295     wxCoord LogicalToDeviceX(wxCoord x) const;
 296     wxCoord LogicalToDeviceY(wxCoord y) const;
 297     wxCoord LogicalToDeviceXRel(wxCoord x) const;
 298     wxCoord LogicalToDeviceYRel(wxCoord y) const;
 299
 300     // query DC capabilities
 301     // ---------------------
 302
 303     virtual bool CanDrawBitmap() const = 0;
 304     virtual bool CanGetTextExtent() const = 0;
 305
 306     // colour depth
 307     virtual int GetDepth() const = 0;
 308
 309     // Resolution in Pixels per inch
 310     virtual wxSize GetPPI() const = 0;
 311
 312     virtual bool Ok() const { return m_ok; }
 313
 314     // accessors
 315     // ---------
 316
 317         // const...
 318     const wxBrush&  GetBackground() const { return m_backgroundBrush; }
 319     const wxBrush&  GetBrush() const { return m_brush; }
 320     const wxFont&   GetFont() const { return m_font; }
 321     const wxPen&    GetPen() const { return m_pen; }
 322     const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
 323     const wxColour& GetTextForeground() const { return m_textForegroundColour; }
 324
 325         // ... and non const
 326     wxBrush&  GetBackground() { return m_backgroundBrush; }
 327     wxBrush&  GetBrush() { return m_brush; }
 328     wxFont&   GetFont() { return m_font; }
 329     wxPen&    GetPen() { return m_pen; }
 330     wxColour& GetTextBackground() { return m_textBackgroundColour; }
 331     wxColour& GetTextForeground() { return m_textForegroundColour; }
 332
 333     virtual void SetTextForeground(const wxColour& colour)
 334         { m_textForegroundColour = colour; }
 335     virtual void SetTextBackground(const wxColour& colour)
 336         { m_textBackgroundColour = colour; }
 337
 338     int GetMapMode() const { return m_mappingMode; }
 339     virtual void SetMapMode(int mode) = 0;
 340
 341     virtual void GetUserScale(double *x, double *y) const
 342     {
 343         if ( x ) *x = m_userScaleX;
 344         if ( y ) *y = m_userScaleY;
 345     }
 346     virtual void SetUserScale(double x, double y) = 0;
 347
 348     virtual void GetLogicalScale(double *x, double *y)
 349     {
 350         if ( x ) *x = m_logicalScaleX;
 351         if ( y ) *y = m_logicalScaleY;
 352     }
 353     virtual void SetLogicalScale(double x, double y)
 354     {
 355         m_logicalScaleX = x;
 356         m_logicalScaleY = y;
 357     }
 358
 359     void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
 360         { DoGetLogicalOrigin(x, y); }
 361     wxPoint GetLogicalOrigin() const
 362         { wxCoord x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
 363     virtual void SetLogicalOrigin(wxCoord x, wxCoord y) = 0;
 364
 365     void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
 366         { DoGetDeviceOrigin(x, y); }
 367     wxPoint GetDeviceOrigin() const
 368         { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
 369     virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0;
 370
 371     virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;
 372
 373     int GetLogicalFunction() const { return m_logicalFunction; }
 374     virtual void SetLogicalFunction(int function) = 0;
 375
 376     // Sometimes we need to override optimization, e.g. if other software is
 377     // drawing onto our surface and we can't be sure of who's done what.
 378     //
 379     // FIXME: is this (still) used?
 380     virtual void SetOptimization(bool WXUNUSED(opt)) { }
 381     virtual bool GetOptimization() { return FALSE; }
 382
 383     // bounding box
 384     // ------------
 385
 386     virtual void CalcBoundingBox(wxCoord x, wxCoord y)
 387     {
 388         if ( x < m_minX ) m_minX = x;
 389         if ( y < m_minY ) m_minY = y;
 390         if ( x > m_maxX ) m_maxX = x;
 391         if ( y > m_maxY ) m_maxY = y;
 392     }
 393
 394     // Get the final bounding box of the PostScript or Metafile picture.
 395     wxCoord MinX() const { return m_minX; }
 396     wxCoord MaxX() const { return m_maxX; }
 397     wxCoord MinY() const { return m_minY; }
 398     wxCoord MaxY() const { return m_maxY; }
 399
 400     // misc old functions
 401     // ------------------
 402
 403     // for compatibility with the old code when wxCoord was long everywhere
 404 #ifndef __WIN16__
 405     void GetTextExtent(const wxString& string,
 406                        long *x, long *y,
 407                        long *descent = NULL,
 408                        long *externalLeading = NULL,
 409                        wxFont *theFont = NULL) const
 410     {
 411         wxCoord x2, y2, descent2, externalLeading2;
 412         DoGetTextExtent(string, &x2, &y2,
 413                         &descent2, &externalLeading2,
 414                         theFont);
 415         if ( x )
 416             *x = x2;
 417         if ( y )
 418             *y = y2;
 419         if ( descent )
 420             *descent = descent2;
 421         if ( externalLeading )
 422             *externalLeading = externalLeading2;
 423     }
 424
 425     void GetLogicalOrigin(long *x, long *y) const
 426     {
 427         wxCoord x2, y2;
 428         DoGetLogicalOrigin(&x2, &y2);
 429         if ( x )
 430             *x = x2;
 431         if ( y )
 432             *y = y2;
 433     }
 434
 435     void GetDeviceOrigin(long *x, long *y) const
 436     {
 437         wxCoord x2, y2;
 438         DoGetDeviceOrigin(&x2, &y2);
 439         if ( x )
 440             *x = x2;
 441         if ( y )
 442             *y = y2;
 443     }
 444 #endif // !Win16
 445
 446 #if WXWIN_COMPATIBILITY
 447     virtual void SetColourMap(const wxPalette& palette) { SetPalette(palette); }
 448     void GetTextExtent(const wxString& string, float *x, float *y,
 449             float *descent = NULL, float *externalLeading = NULL,
 450             wxFont *theFont = NULL, bool use16bit = FALSE) const ;
 451     void GetSize(float* width, float* height) const { int w, h; GetSize(& w, & h); *width = w; *height = h; }
 452     void GetSizeMM(float *width, float *height) const { long w, h; GetSizeMM(& w, & h); *width = (float) w; *height = (float) h; }
 453 #endif // WXWIN_COMPATIBILITY
 454
 455 protected:
 456     // the pure virtual functions which should be implemented by wxDC
 457     virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
 458                              int style = wxFLOOD_SURFACE) = 0;
 459
 460     virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
 461
 462     virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
 463     virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;
 464
 465     virtual void DoDrawArc(wxCoord x1, wxCoord y1,
 466                            wxCoord x2, wxCoord y2,
 467                            wxCoord xc, wxCoord yc) = 0;
 468     virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
 469                                    double sa, double ea) = 0;
 470
 471     virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
 472     virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
 473                                         wxCoord width, wxCoord height,
 474                                         double radius) = 0;
 475     virtual void DoDrawEllipse(wxCoord x, wxCoord y,
 476                                wxCoord width, wxCoord height) = 0;
 477
 478     virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
 479
 480     virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
 481     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 482                               bool useMask = FALSE) = 0;
 483
 484     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
 485
 486     virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
 487                         wxCoord width, wxCoord height,
 488                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
 489                         int rop = wxCOPY, bool useMask = FALSE) = 0;
 490
 491     virtual void DoGetSize(int *width, int *height) const = 0;
 492     virtual void DoGetSizeMM(int* width, int* height) const = 0;
 493
 494     virtual void DoDrawLines(int n, wxPoint points[],
 495                              wxCoord xoffset, wxCoord yoffset) = 0;
 496     virtual void DoDrawPolygon(int n, wxPoint points[],
 497                                wxCoord xoffset, wxCoord yoffset,
 498                                int fillStyle = wxODDEVEN_RULE) = 0;
 499
 500     virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
 501     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
 502                                      wxCoord width, wxCoord height) = 0;
 503
 504     // FIXME are these functions really different?
 505     virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
 506                                      wxCoord *w, wxCoord *h)
 507         { DoGetClippingBox(x, y, w, h); }
 508     virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
 509                                   wxCoord *w, wxCoord *h) const
 510     {
 511         if ( m_clipping )
 512         {
 513             if ( x ) *x = m_clipX1;
 514             if ( y ) *y = m_clipY1;
 515             if ( w ) *w = m_clipX2 - m_clipX1;
 516             if ( h ) *h = m_clipY2 - m_clipY1;
 517         }
 518         else
 519         {
 520             *x = *y = *w = *h = 0;
 521         }
 522     }
 523
 524     virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
 525     {
 526         if ( x ) *x = m_logicalOriginX;
 527         if ( y ) *y = m_logicalOriginY;
 528     }
 529
 530     virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const
 531     {
 532         if ( x ) *x = m_deviceOriginX;
 533         if ( y ) *y = m_deviceOriginY;
 534     }
 535
 536     virtual void DoGetTextExtent(const wxString& string,
 537                                  wxCoord *x, wxCoord *y,
 538                                  wxCoord *descent = NULL,
 539                                  wxCoord *externalLeading = NULL,
 540                                  wxFont *theFont = NULL) const = 0;
 541
 542 #if wxUSE_SPLINES
 543     virtual void DoDrawSpline(wxList *points) = 0;
 544 #endif
 545
 546 protected:
 547     // flags
 548     bool m_colour:1;
 549     bool m_ok:1;
 550     bool m_clipping:1;
 551     bool m_isInteractive:1;
 552
 553     // coordinate system variables
 554
 555     // TODO short descriptions of what exactly they are would be nice...
 556
 557     wxCoord m_logicalOriginX, m_logicalOriginY;
 558     wxCoord m_deviceOriginX, m_deviceOriginY;
 559
 560     double m_logicalScaleX, m_logicalScaleY;
 561     double m_userScaleX, m_userScaleY;
 562     double m_scaleX, m_scaleY;
 563
 564     // Used by SetAxisOrientation() to invert the axes
 565     int m_signX, m_signY;
 566
 567     // bounding and clipping boxes
 568     wxCoord m_minX, m_minY, m_maxX, m_maxY;
 569     wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;
 570
 571     int m_logicalFunction;
 572     int m_backgroundMode;
 573     int m_mappingMode;
 574
 575     // GDI objects
 576     wxPen             m_pen;
 577     wxBrush           m_brush;
 578     wxBrush           m_backgroundBrush;
 579     wxColour          m_textForegroundColour;
 580     wxColour          m_textBackgroundColour;
 581     wxFont            m_font;
 582     wxPalette         m_palette;
 583
 584 private:
 585     DECLARE_NO_COPY_CLASS(wxDCBase);
 586 };
 587
 588 // ----------------------------------------------------------------------------
 589 // now include the declaration of wxDC class
 590 // ----------------------------------------------------------------------------
 591
 592 #if defined(__WXMSW__)
 593     #include "wx/msw/dc.h"
 594 #elif defined(__WXMOTIF__)
 595     #include "wx/motif/dc.h"
 596 #elif defined(__WXGTK__)
 597     #include "wx/gtk/dc.h"
 598 #elif defined(__WXQT__)
 599     #include "wx/qt/dc.h"
 600 #elif defined(__WXMAC__)
 601     #include "wx/mac/dc.h"
 602 #elif defined(__WXPM__)
 603     #include "wx/os2/dc.h"
 604 #elif defined(__WXSTUBS__)
 605     #include "wx/stubs/dc.h"
 606 #endif
 607
 608 #endif
 609     // _WX_DC_H_BASE_