fixed memory leak in wxXmlResource introduced when fixing wxVector<> usage (patch...

[wxWidgets.git] / include / wx / dc.h

diff --git a/include/wx/dc.h b/include/wx/dc.h
index 21f4542bd3a32045e4d6556d1e5b3faa29d1456c..ab3b1c9ccf3e3c8c4b20b1623a2dfd885a683fb6 100644 (file)
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -1,613 +1,1171 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/dc.h
+// Purpose:     wxDC class
+// Author:      Vadim Zeitlin 
+// Modified by:
+// Created:     05/25/99
+// RCS-ID:      $Id$
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+

 #ifndef _WX_DC_H_BASE_
 #define _WX_DC_H_BASE_
 
 #ifndef _WX_DC_H_BASE_
 #define _WX_DC_H_BASE_
 

-#ifdef __GNUG__
-    #pragma interface "dcbase.h"
-    #pragma implementation "dcbase.h"
-#endif
-

 // ----------------------------------------------------------------------------
 // headers which we must include here
 // ----------------------------------------------------------------------------
 
 #include "wx/object.h"          // the base class
 
 // ----------------------------------------------------------------------------
 // headers which we must include here
 // ----------------------------------------------------------------------------
 
 #include "wx/object.h"          // the base class
 

+#include "wx/intl.h"            // for wxLayoutDirection

 #include "wx/cursor.h"          // we have member variables of these classes
 #include "wx/font.h"            // so we can't do without them
 #include "wx/colour.h"
 #include "wx/cursor.h"          // we have member variables of these classes
 #include "wx/font.h"            // so we can't do without them
 #include "wx/colour.h"

+#include "wx/bitmap.h"          // for wxNullBitmap

 #include "wx/brush.h"
 #include "wx/pen.h"
 #include "wx/palette.h"
 #include "wx/brush.h"
 #include "wx/pen.h"
 #include "wx/palette.h"

+#include "wx/dynarray.h"
+#include "wx/math.h"
+#include "wx/image.h"
+#include "wx/cmndata.h"
+
+#define wxUSE_NEW_DC 1
+
+class WXDLLIMPEXP_FWD_CORE wxDC;
+class WXDLLIMPEXP_FWD_CORE wxClientDC;
+class WXDLLIMPEXP_FWD_CORE wxPaintDC;
+class WXDLLIMPEXP_FWD_CORE wxWindowDC;
+class WXDLLIMPEXP_FWD_CORE wxScreenDC;
+class WXDLLIMPEXP_FWD_CORE wxMemoryDC;
+class WXDLLIMPEXP_FWD_CORE wxPrinterDC;
+class WXDLLIMPEXP_FWD_CORE wxPrintData;
+
+//-----------------------------------------------------------------------------
+// wxDrawObject helper class
+//-----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDrawObject
+{
+public:

 
 

-#include "wx/list.h"            // we use wxList in inline functions
+    wxDrawObject()
+        : m_isBBoxValid(false)
+        , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
+    { }

 
 

-// ---------------------------------------------------------------------------
-// types
-// ---------------------------------------------------------------------------
+    virtual ~wxDrawObject() { }

 
 

-// type which should be used (whenever possible, i.e. as long as it doesn't
-// break compatibility) for screen coordinates
-typedef int wxCoord;
+    virtual void Draw(wxDC&) const { }

 
 

-// ---------------------------------------------------------------------------
-// global variables
-// ---------------------------------------------------------------------------
+    virtual void CalcBoundingBox(wxCoord x, wxCoord y)
+    {
+      if ( m_isBBoxValid )
+      {
+         if ( x < m_minX ) m_minX = x;
+         if ( y < m_minY ) m_minY = y;
+         if ( x > m_maxX ) m_maxX = x;
+         if ( y > m_maxY ) m_maxY = y;
+      }
+      else
+      {
+         m_isBBoxValid = true;
+
+         m_minX = x;
+         m_minY = y;
+         m_maxX = x;
+         m_maxY = y;
+      }
+    }

 
 

-WXDLLEXPORT_DATA(extern int) wxPageNumber;
+    void ResetBoundingBox()
+    {
+        m_isBBoxValid = false;

 
 

-// ---------------------------------------------------------------------------
-// wxDC is the device context - object on which any drawing is done
-// ---------------------------------------------------------------------------
+        m_minX = m_maxX = m_minY = m_maxY = 0;
+    }

 
 

-class WXDLLEXPORT wxDCBase : public wxObject
-{
-    DECLARE_ABSTRACT_CLASS(wxDCBase)
+    // Get the final bounding box of the PostScript or Metafile picture.

 
 

+    wxCoord MinX() const { return m_minX; }
+    wxCoord MaxX() const { return m_maxX; }
+    wxCoord MinY() const { return m_minY; }
+    wxCoord MaxY() const { return m_maxY; }
+
+    //to define the type of object for derived objects
+    virtual int GetType()=0;
+
+protected:
+    //for boundingbox calculation
+    bool m_isBBoxValid:1;
+    //for boundingbox calculation
+    wxCoord m_minX, m_minY, m_maxX, m_maxY;
+};
+
+
+//-----------------------------------------------------------------------------
+// wxDCFactory
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_FWD_CORE wxDCImpl;
+
+class WXDLLIMPEXP_CORE wxDCFactory
+{

 public:
 public:

-    wxDCBase()
-    {
-        m_clipping = FALSE;
-        m_ok = TRUE;
+    wxDCFactory() {}
+    virtual ~wxDCFactory() {}
+
+    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner ) = 0;
+    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window ) = 0;
+    virtual wxDCImpl* CreateClientDC( wxClientDC *owner ) = 0;
+    virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window ) = 0;
+    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner ) = 0;
+    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window ) = 0;
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner ) = 0;
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap ) = 0;
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc ) = 0;
+    virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner ) = 0;
+#if wxUSE_PRINTING_ARCHITECTURE
+    virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data  ) = 0;
+#endif

 
 

-        m_minX = m_minY = m_maxX = m_maxY = 0;
+    static void Set(wxDCFactory *factory);
+    static wxDCFactory *Get();

 
 

-        m_signX = m_signY = 1;
+private:
+    static wxDCFactory *m_factory;
+};
+
+//-----------------------------------------------------------------------------
+// wxNativeDCFactory
+//-----------------------------------------------------------------------------

 
 

-        m_logicalOriginX = m_logicalOriginY =
-        m_deviceOriginX = m_deviceOriginY = 0;
+class WXDLLIMPEXP_CORE wxNativeDCFactory: public wxDCFactory
+{
+public:
+    wxNativeDCFactory() {}
+
+    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner );
+    virtual wxDCImpl* CreateWindowDC( wxWindowDC *owner, wxWindow *window );
+    virtual wxDCImpl* CreateClientDC( wxClientDC *owner );
+    virtual wxDCImpl* CreateClientDC( wxClientDC *owner, wxWindow *window );
+    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner );
+    virtual wxDCImpl* CreatePaintDC( wxPaintDC *owner, wxWindow *window );
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner );
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxBitmap &bitmap );
+    virtual wxDCImpl* CreateMemoryDC( wxMemoryDC *owner, wxDC *dc );
+    virtual wxDCImpl* CreateScreenDC( wxScreenDC *owner );
+#if wxUSE_PRINTING_ARCHITECTURE
+    virtual wxDCImpl* CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data  );
+#endif
+};
+
+//-----------------------------------------------------------------------------
+// wxDCImpl
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxDCImpl: public wxObject
+{
+public:
+    wxDCImpl( wxDC *owner );
+    ~wxDCImpl();

 
 

-        m_logicalScaleX = m_logicalScaleY =
-        m_userScaleX = m_userScaleY =
-        m_scaleX = m_scaleY = 1.0;
+    wxDC *GetOwner() const { return m_owner; }

 
 

-        m_logicalFunction = -1;
+    wxWindow* GetWindow() const { return m_window; }

 
 

-        m_backgroundMode = wxTRANSPARENT;
+    virtual bool IsOk() const { return m_ok; }

 
 

-        m_mappingMode = wxMM_TEXT;
+    // query capabilities

 
 

-        m_backgroundBrush = *wxWHITE_BRUSH;
+    virtual bool CanDrawBitmap() const = 0;
+    virtual bool CanGetTextExtent() const = 0;

 
 

-        m_textForegroundColour = *wxBLACK;
-        m_textBackgroundColour = *wxWHITE;
+    // query dimension, colour deps, resolution

 
 

-        m_colour = wxColourDisplay();
+    virtual void DoGetSize(int *width, int *height) const = 0;
+    void GetSize(int *width, int *height) const
+    {
+        DoGetSize(width, height);
+        return ;

     }
 
     }
 

-    ~wxDCBase() { }
+    wxSize GetSize() const
+    {
+        int w, h;
+        DoGetSize(&w, &h);
+        return wxSize(w, h);
+    }

 
 

-    virtual void BeginDrawing() { }
-    virtual void EndDrawing() { }
+    virtual void DoGetSizeMM(int* width, int* height) const = 0;

 
 

-    // graphic primitives
-    // ------------------
+    virtual int GetDepth() const = 0;
+    virtual wxSize GetPPI() const = 0;

 
 

-    void FloodFill(long x, long y, const wxColour& col,
-            int style = wxFLOOD_SURFACE)
-        { DoFloodFill(x, y, col, style); }
-    void FloodFill(const wxPoint& pt, const wxColour& col,
-            int style = wxFLOOD_SURFACE)
-        { DoFloodFill(pt.x, pt.y, col, style); }
+    // Right-To-Left (RTL) modes

 
 

-    bool GetPixel(long x, long y, wxColour *col) const
-        { return DoGetPixel(x, y, col); }
-    bool GetPixel(const wxPoint& pt, wxColour *col) const
-        { return DoGetPixel(pt.x, pt.y, col); }
+    virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir)) { }
+    virtual wxLayoutDirection GetLayoutDirection() const  { return wxLayout_Default; }

 
 

-    void DrawLine(long x1, long y1, long x2, long y2)
-        { DoDrawLine(x1, y1, x2, y2); }
-    void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
-        { DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }
+    // page and document

 
 

-    void CrossHair(long x, long y)
-        { DoCrossHair(x, y); }
-    void CrossHair(const wxPoint& pt)
-        { DoCrossHair(pt.x, pt.y); }
+    virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }
+    virtual void EndDoc() { }

 
 

-    void DrawArc(long x1, long y1, long x2, long y2, long xc, long yc)
-        { DoDrawArc(x1, y1, x2, y2, xc, yc); }
-    void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
-        { DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }
+    virtual void StartPage() { }
+    virtual void EndPage() { }

 
 

-    void DrawEllipticArc(long x, long y, long w, long h, double sa, double ea)
-        { DoDrawEllipticArc(x, y, x, y, sa, ea); }
-    void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
-                         double sa, double ea)
-        { DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
+    // flushing the content of this dc immediately eg onto screen
+    virtual void Flush() { }

 
 

-    void DrawPoint(long x, long y)
-        { DoDrawPoint(x, y); }
-    void DrawPoint(const wxPoint& pt)
-        { DoDrawPoint(pt.x, pt.y); }
+    // bounding box

 
 

-    void DrawLines(int n, wxPoint points[], long xoffset = 0, long yoffset = 0)
-        { DoDrawLines(n, points, xoffset, yoffset); }
-    void DrawLines(const wxList *list, long xoffset = 0, long yoffset = 0)
+    virtual void CalcBoundingBox(wxCoord x, wxCoord y)

     {
     {

-        int n = list->Number();
-        wxPoint *points = new wxPoint[n];
+      if ( m_isBBoxValid )
+      {
+         if ( x < m_minX ) m_minX = x;
+         if ( y < m_minY ) m_minY = y;
+         if ( x > m_maxX ) m_maxX = x;
+         if ( y > m_maxY ) m_maxY = y;
+      }
+      else
+      {
+         m_isBBoxValid = true;
+
+         m_minX = x;
+         m_minY = y;
+         m_maxX = x;
+         m_maxY = y;
+      }
+    }
+    void ResetBoundingBox()
+    {
+        m_isBBoxValid = false;

 
 

-        int i = 0;
-        for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
-        {
-            wxPoint *point = (wxPoint *)node->Data();
-            points[i].x = point->x;
-            points[i].y = point->y;
-        }
+        m_minX = m_maxX = m_minY = m_maxY = 0;
+    }

 
 

-        DoDrawLines(n, points, xoffset, yoffset);
+    wxCoord MinX() const { return m_minX; }
+    wxCoord MaxX() const { return m_maxX; }
+    wxCoord MinY() const { return m_minY; }
+    wxCoord MaxY() const { return m_maxY; }

 
 

-        delete [] points;
-    }
+    // setters and getters

 
 

-    void DrawPolygon(int n, wxPoint points[],
-                     long xoffset = 0, long yoffset = 0,
-                     int fillStyle = wxODDEVEN_RULE)
-        { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
+    virtual void SetFont(const wxFont& font) = 0;
+    virtual const wxFont&   GetFont() const { return m_font; }

 
 

-    void DrawPolygon(const wxList *list,
-                     long xoffset = 0, long yoffset = 0,
-                     int fillStyle = wxODDEVEN_RULE)
-    {
-        int n = list->Number();
-        wxPoint *points = new wxPoint[n];
+    virtual void SetPen(const wxPen& pen) = 0;
+    virtual const wxPen&    GetPen() const { return m_pen; }
+
+    virtual void SetBrush(const wxBrush& brush) = 0;
+    virtual const wxBrush&  GetBrush() const { return m_brush; }
+
+    virtual void SetBackground(const wxBrush& brush) = 0;
+    virtual const wxBrush&  GetBackground() const { return m_backgroundBrush; }
+
+    virtual void SetBackgroundMode(int mode) = 0;
+    virtual int GetBackgroundMode() const { return m_backgroundMode; }
+
+    virtual void SetTextForeground(const wxColour& colour)
+        { m_textForegroundColour = colour; }
+    virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
+
+    virtual void SetTextBackground(const wxColour& colour)
+        { m_textBackgroundColour = colour; }
+    virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }

 
 

-        int i = 0;
-        for ( wxNode *node = list->First(); node; node = node->Next(), i++ )
-        {
-            wxPoint *point = (wxPoint *)node->Data();
-            points[i].x = point->x;
-            points[i].y = point->y;
-        }
+#if wxUSE_PALETTE
+    virtual void SetPalette(const wxPalette& palette) = 0;
+#endif // wxUSE_PALETTE
+
+    // logical functions
+
+    virtual void SetLogicalFunction(int function) = 0;
+    virtual int GetLogicalFunction() const { return m_logicalFunction; }
+
+    // text measurement
+
+    virtual wxCoord GetCharHeight() const = 0;
+    virtual wxCoord GetCharWidth() const = 0;
+    virtual void DoGetTextExtent(const wxString& string,
+                                 wxCoord *x, wxCoord *y,
+                                 wxCoord *descent = NULL,
+                                 wxCoord *externalLeading = NULL,
+                                 const wxFont *theFont = NULL) const = 0;
+    virtual void GetMultiLineTextExtent(const wxString& string,
+                                        wxCoord *width,
+                                        wxCoord *height,
+                                        wxCoord *heightLine = NULL,
+                                        const wxFont *font = NULL) const;
+    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
+
+    // clearing
+
+    virtual void Clear() = 0;

 
 

-        DoDrawPolygon(n, points, xoffset, yoffset, fillStyle);
+    // clipping

 
 

-        delete [] points;
+    virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
+                                     wxCoord width, wxCoord height) = 0;
+    virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
+
+    virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
+                                  wxCoord *w, wxCoord *h) const
+    {
+        if ( x )
+            *x = m_clipX1;
+        if ( y )
+            *y = m_clipY1;
+        if ( w )
+            *w = m_clipX2 - m_clipX1;
+        if ( h )
+            *h = m_clipY2 - m_clipY1;

     }
 
     }
 

-    void DrawRectangle(long x, long y, long width, long height)
-        { DoDrawRectangle(x, y, width, height); }
-    void DrawRectangle(const wxPoint& pt, const wxSize& sz)
-        { DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
-    void DrawRectangle(const wxRect& rect)
-        { DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }
+    virtual void DestroyClippingRegion() { ResetClipping(); }

 
 

-    void DrawRoundedRectangle(long x, long y, long width, long height,
-                              double radius)
-        { DoDrawRoundedRectangle(x, y, width, height, radius); }
-    void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
-                             double radius)
-        { DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
-    void DrawRoundedRectangle(const wxRect& r, double radius)
-        { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }

 
 

-    void DrawCircle(long x, long y, long radius)
-        { DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
-    void DrawEllipse(long x, long y, long width, long height)
-        { DoDrawEllipse(x, y, width, height); }
-    void DrawEllipse(const wxPoint& pt, const wxSize& sz)
-        { DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
-    void DrawEllipse(const wxRect& rect)
-        { DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }
+    // coordinates conversions and transforms

 
 

-    void DrawIcon(const wxIcon& icon, long x, long y)
-        { DoDrawIcon(icon, x, y); }
-    void DrawIcon(const wxIcon& icon, const wxPoint& pt)
-        { DoDrawIcon(icon, pt.x, pt.y); }
+    virtual wxCoord DeviceToLogicalX(wxCoord x) const;
+    virtual wxCoord DeviceToLogicalY(wxCoord y) const;
+    virtual wxCoord DeviceToLogicalXRel(wxCoord x) const;
+    virtual wxCoord DeviceToLogicalYRel(wxCoord y) const;
+    virtual wxCoord LogicalToDeviceX(wxCoord x) const;
+    virtual wxCoord LogicalToDeviceY(wxCoord y) const;
+    virtual wxCoord LogicalToDeviceXRel(wxCoord x) const;
+    virtual wxCoord LogicalToDeviceYRel(wxCoord y) const;

 
 

-    void DrawBitmap(const wxBitmap &bmp, long x, long y, bool useMask = FALSE)
-        { DoDrawBitmap(bmp, x, y, useMask); }
-    void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
-                    bool useMask = FALSE)
-        { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
+    virtual void SetMapMode(int mode);
+    virtual int GetMapMode() const { return m_mappingMode; }

 
 

-    void DrawText(const wxString& text, long x, long y)
-        { DoDrawText(text, x, y); }
-    void DrawText(const wxString& text, const wxPoint& pt)
-        { DoDrawText(text, pt.x, pt.y); }
+    virtual void SetUserScale(double x, double y);
+    virtual void GetUserScale(double *x, double *y) const
+    {
+        if ( x ) *x = m_userScaleX;
+        if ( y ) *y = m_userScaleY;
+    }

 
 

-    bool Blit(long xdest, long ydest, long width, long height,
-              wxDC *source, long xsrc, long ysrc,
-              int rop = wxCOPY, bool useMask = FALSE)
+    virtual void SetLogicalScale(double x, double y);
+    virtual void GetLogicalScale(double *x, double *y)

     {
     {

-        return DoBlit(xdest, ydest, width, height,
-                      source, xsrc, ysrc, rop, useMask);
+        if ( x ) *x = m_logicalScaleX;
+        if ( y ) *y = m_logicalScaleY;

     }
     }

-    bool Blit(const wxPoint& destPt, const wxSize& sz,
-              wxDC *source, const wxPoint& srcPt,
-              int rop = wxCOPY, bool useMask = FALSE)
+
+    virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
+    virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const

     {
     {

-        return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
-                      source, srcPt.x, srcPt.y, rop, useMask);
+        if ( x ) *x = m_logicalOriginX;
+        if ( y ) *y = m_logicalOriginY;

     }
 
     }
 

-#if wxUSE_SPLINES
-    // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
-    void DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3)
+    virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
+    virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const

     {
     {

-        wxList point_list;
+        if ( x ) *x = m_deviceOriginX;
+        if ( y ) *y = m_deviceOriginY;
+    }

 
 

-        wxPoint *point1 = new wxPoint;
-        point1->x = x1; point1->y = y1;
-        point_list.Append((wxObject*)point1);
+    virtual void SetDeviceLocalOrigin( wxCoord x, wxCoord y );

 
 

-        wxPoint *point2 = new wxPoint;
-        point2->x = x2; point2->y = y2;
-        point_list.Append((wxObject*)point2);
+    virtual void ComputeScaleAndOrigin();

 
 

-        wxPoint *point3 = new wxPoint;
-        point3->x = x3; point3->y = y3;
-        point_list.Append((wxObject*)point3);
+    // this needs to overidden if the axis is inverted
+    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);

 
 

-        DrawSpline(&point_list);
+    // ---------------------------------------------------------
+    // the actual drawing API

 
 

-        for( wxNode *node = point_list.First(); node; node = node->Next() )
-        {
-            wxPoint *p = (wxPoint *)node->Data();
-            delete p;
-        }
-    }
+    virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
+                             int style = wxFLOOD_SURFACE) = 0;

 
 

-    void DrawSpline(int n, wxPoint points[])
-    {
-        wxList list;
-        for (int i =0; i < n; i++)
-        {
-            list.Append((wxObject*)&points[i]);
-        }
+    virtual void DoGradientFillLinear(const wxRect& rect,
+                                      const wxColour& initialColour,
+                                      const wxColour& destColour,
+                                      wxDirection nDirection = wxEAST);

 
 

-        DrawSpline(&list);
-    }
+    virtual void DoGradientFillConcentric(const wxRect& rect,
+                                        const wxColour& initialColour,
+                                        const wxColour& destColour,
+                                        const wxPoint& circleCenter);

 
 

-    void DrawSpline(wxList *points) { DoDrawSpline(points); }
-#endif // wxUSE_SPLINES
+    virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;

 
 

-    // global DC operations
-    // --------------------
+    virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
+    virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0;

 
 

-    virtual void Clear() = 0;
+    virtual void DoDrawArc(wxCoord x1, wxCoord y1,
+                           wxCoord x2, wxCoord y2,
+                           wxCoord xc, wxCoord yc) = 0;
+    virtual void DoDrawCheckMark(wxCoord x, wxCoord y,
+                                 wxCoord width, wxCoord height);
+    virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
+                                   double sa, double ea) = 0;

 
 

-    virtual bool StartDoc(const wxString& message) = 0;
-    virtual void EndDoc() = 0;
+    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0;
+    virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
+                                        wxCoord width, wxCoord height,
+                                        double radius) = 0;
+    virtual void DoDrawEllipse(wxCoord x, wxCoord y,
+                               wxCoord width, wxCoord height) = 0;
+
+    virtual void DoCrossHair(wxCoord x, wxCoord y) = 0;
+
+    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
+    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
+                              bool useMask = false) = 0;
+
+    virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
+    virtual void DoDrawRotatedText(const wxString& text,
+                                   wxCoord x, wxCoord y, double angle) = 0;
+
+    virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
+                        wxCoord width, wxCoord height,
+                        wxDC *source,
+                        wxCoord xsrc, wxCoord ysrc,
+                        int rop = wxCOPY,
+                        bool useMask = false,
+                        wxCoord xsrcMask = wxDefaultCoord,
+                        wxCoord ysrcMask = wxDefaultCoord) = 0;
+
+    virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest,
+                               wxCoord dstWidth, wxCoord dstHeight,
+                               wxDC *source,
+                               wxCoord xsrc, wxCoord ysrc,
+                               wxCoord srcWidth, wxCoord srcHeight,
+                               int rop = wxCOPY,
+                               bool useMask = false,
+                               wxCoord xsrcMask = wxDefaultCoord,
+                               wxCoord ysrcMask = wxDefaultCoord);
+
+    virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const
+        { return wxNullBitmap; }

 
 

-    virtual void StartPage() = 0;
-    virtual void EndPage() = 0;

 
 

-    // set objects to use for drawing
-    // ------------------------------
+    virtual void DoDrawLines(int n, wxPoint points[],
+                             wxCoord xoffset, wxCoord yoffset ) = 0;
+    virtual void DrawLines(const wxPointList *list,
+                           wxCoord xoffset, wxCoord yoffset );

 
 

-    virtual void SetFont(const wxFont& font) = 0;
-    virtual void SetPen(const wxPen& pen) = 0;
-    virtual void SetBrush(const wxBrush& brush) = 0;
-    virtual void SetBackground(const wxBrush& brush) = 0;
-    virtual void SetBackgroundMode(int mode) = 0;
-    virtual void SetPalette(const wxPalette& palette) = 0;
+    virtual void DoDrawPolygon(int n, wxPoint points[],
+                               wxCoord xoffset, wxCoord yoffset,
+                               int fillStyle = wxODDEVEN_RULE) = 0;
+    virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[],
+                               wxCoord xoffset, wxCoord yoffset,
+                               int fillStyle);
+    void DrawPolygon(const wxPointList *list,
+                     wxCoord xoffset, wxCoord yoffset,
+                     int fillStyle );

 
 

-    // clipping region
-    // ---------------

 
 

-    void SetClippingRegion(long x, long y, long width, long height)
-        { DoSetClippingRegion(x, y, width, height); }
-    void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
-        { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
-    void SetClippingRegion(const wxRect& rect)
-        { DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
-    void SetClippingRegion(const wxRegion& region)
-        { DoSetClippingRegionAsRegion(region); }
+#if wxUSE_SPLINES
+    virtual void DoDrawSpline(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord x3, wxCoord y3);
+    virtual void DoDrawSpline(int n, wxPoint points[]);
+    virtual void DoDrawSpline(const wxPointList *points);
+#endif

 
 

-    virtual void DestroyClippingRegion() = 0;
+    // ---------------------------------------------------------
+    // wxMemoryDC Impl API

 
 

-    void GetClippingBox(long *x, long *y, long *w, long *h) const
-        { DoGetClippingBox(x, y, w, h); }
-    void GetClippingBox(wxRect& rect) const
-        { DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
+    virtual void DoSelect(const wxBitmap& WXUNUSED(bmp))
+       { }

 
 

-    // text extent
-    // -----------
+    virtual const wxBitmap& GetSelectedBitmap() const
+        { return wxNullBitmap; }
+    virtual wxBitmap& GetSelectedBitmap()
+        { return wxNullBitmap; }

 
 

-    virtual long GetCharHeight() const = 0;
-    virtual long GetCharWidth() const = 0;
-    virtual void GetTextExtent(const wxString& string,
-                               long *x, long *y,
-                               long *descent = NULL,
-                               long *externalLeading = NULL,
-                               wxFont *theFont = NULL) const = 0;
+    // ---------------------------------------------------------
+    // wxPrinterDC Impl API

 
 

-    // size and resolution
-    // -------------------
+    virtual wxRect GetPaperRect()
+        { int w = 0; int h = 0; DoGetSize( &w, &h ); return wxRect(0,0,w,h); }

 
 

-    // in device units
-    void GetSize(int *width, int *height) const
-        { DoGetSize(width, height); }
-    wxSize GetSize() const
-    {
-        int w, h;
-        DoGetSize(&w, &h);
+    virtual int GetResolution()
+        { return -1; }

 
 

-        return wxSize(w, h);
-    }
+private:
+    wxDC       *m_owner;

 
 

-    // in mm
-    void GetSizeMM(int* width, int* height) const
-        { DoGetSizeMM(width, height); }
-    wxSize GetSizeMM() const
+protected:
+    // unset clipping variables (after clipping region was destroyed)
+    void ResetClipping()

     {
     {

-        int w, h;
-        DoGetSizeMM(&w, &h);
+        m_clipping = false;

 
 

-        return wxSize(w, h);
+        m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;

     }
 
     }
 

-    // coordinates conversions
-    // -----------------------
+    // window on which the DC draws or NULL
+    wxWindow   *m_window;

 
 

-    // This group of functions does actual conversion of the input, as you'd
-    // expect.
-    long DeviceToLogicalX(long x) const;
-    long DeviceToLogicalY(long y) const;
-    long DeviceToLogicalXRel(long x) const;
-    long DeviceToLogicalYRel(long y) const;
-    long LogicalToDeviceX(long x) const;
-    long LogicalToDeviceY(long y) const;
-    long LogicalToDeviceXRel(long x) const;
-    long LogicalToDeviceYRel(long y) const;
+    // flags
+    bool m_colour:1;
+    bool m_ok:1;
+    bool m_clipping:1;
+    bool m_isInteractive:1;
+    bool m_isBBoxValid:1;

 
 

-    // query DC capabilities
-    // ---------------------
+    // coordinate system variables

 
 

-    virtual bool CanDrawBitmap() const = 0;
-    virtual bool CanGetTextExtent() const = 0;
+    wxCoord m_logicalOriginX, m_logicalOriginY;
+    wxCoord m_deviceOriginX, m_deviceOriginY;           // Usually 0,0, can be change by user

 
 

-    // colour depth
-    virtual int GetDepth() const = 0;
+    wxCoord m_deviceLocalOriginX, m_deviceLocalOriginY; // non-zero if native top-left corner
+                                                        // is not at 0,0. This was the case under
+                                                        // Mac's GrafPorts (coordinate system
+                                                        // used toplevel window's origin) and
+                                                        // e.g. for Postscript, where the native
+                                                        // origin in the bottom left corner.
+    double m_logicalScaleX, m_logicalScaleY;
+    double m_userScaleX, m_userScaleY;
+    double m_scaleX, m_scaleY;  // calculated from logical scale and user scale

 
 

-    // Resolution in Pixels per inch
-    virtual wxSize GetPPI() const = 0;
+    int m_signX, m_signY;  // Used by SetAxisOrientation() to invert the axes

 
 

-    virtual bool Ok() const { return m_ok; }
+    // what is a mm on a screen you don't know the size of?
+    double       m_mm_to_pix_x,
+                 m_mm_to_pix_y;

 
 

-    // accessors
-    // ---------
+    // bounding and clipping boxes
+    wxCoord m_minX, m_minY, m_maxX, m_maxY;
+    wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2;

 
 

-        // const...
-    const wxBrush&  GetBackground() const { return m_backgroundBrush; }
-    const wxBrush&  GetBrush() const { return m_brush; }
-    const wxFont&   GetFont() const { return m_font; }
-    const wxPen&    GetPen() const { return m_pen; }
-    const wxColour& GetTextBackground() const { return m_textBackgroundColour; }
-    const wxColour& GetTextForeground() const { return m_textForegroundColour; }
+    int m_logicalFunction;
+    int m_backgroundMode;
+    int m_mappingMode;

 
 

-        // ... and non const
-    wxBrush&  GetBackground() { return m_backgroundBrush; }
-    wxBrush&  GetBrush() { return m_brush; }
-    wxFont&   GetFont() { return m_font; }
-    wxPen&    GetPen() { return m_pen; }
-    wxColour& GetTextBackground() { return m_textBackgroundColour; }
-    wxColour& GetTextForeground() { return m_textForegroundColour; }
+    wxPen             m_pen;
+    wxBrush           m_brush;
+    wxBrush           m_backgroundBrush;
+    wxColour          m_textForegroundColour;
+    wxColour          m_textBackgroundColour;
+    wxFont            m_font;

 
 

-    virtual void SetTextForeground(const wxColour& colour)
-        { m_textForegroundColour = colour; }
-    virtual void SetTextBackground(const wxColour& colour)
-        { m_textBackgroundColour = colour; }
+#if wxUSE_PALETTE
+    wxPalette         m_palette;
+    bool              m_hasCustomPalette;
+#endif // wxUSE_PALETTE
+
+private:
+    DECLARE_ABSTRACT_CLASS(wxDCImpl)
+};

 
 

-    int GetMapMode() const { return m_mappingMode; }
-    virtual void SetMapMode(int mode) = 0;

 
 

-    virtual void GetUserScale(double *x, double *y) const
+class WXDLLIMPEXP_CORE wxDC : public wxObject
+{
+public:
+    virtual ~wxDC() { delete m_pimpl; }
+
+    wxDCImpl *GetImpl()
+        { return m_pimpl; }
+    const wxDCImpl *GetImpl() const
+        { return m_pimpl; }
+
+    wxWindow *GetWindow() const
+        { return m_pimpl->GetWindow(); }
+
+    bool IsOk() const
+        { return m_pimpl && m_pimpl->IsOk(); }
+
+    // query capabilities
+
+    bool CanDrawBitmap() const
+        { return m_pimpl->CanDrawBitmap(); }
+    bool CanGetTextExtent() const
+        { return m_pimpl->CanGetTextExtent(); }
+
+    // query dimension, colour deps, resolution
+
+    void GetSize(int *width, int *height) const
+        { m_pimpl->DoGetSize(width, height); }
+    wxSize GetSize() const
+        { return m_pimpl->GetSize(); }
+
+    void GetSizeMM(int* width, int* height) const
+        { m_pimpl->DoGetSizeMM(width, height); }
+    wxSize GetSizeMM() const

     {
     {

-        if ( x ) *x = m_userScaleX;
-        if ( y ) *y = m_userScaleY;
+        int w, h;
+        m_pimpl->DoGetSizeMM(&w, &h);
+        return wxSize(w, h);

     }
     }

-    void SetSystemScale(double x, double y)
-        { SetUserScale(x, y); }
-    virtual void SetUserScale(double x, double y) = 0;

 
 

-    virtual void GetLogicalScale(double *x, double *y)
+    int GetDepth() const
+        { return m_pimpl->GetDepth(); }
+    wxSize GetPPI() const
+        { return m_pimpl->GetPPI(); }
+
+    virtual int GetResolution()
+        { return m_pimpl->GetResolution(); }
+
+    // Right-To-Left (RTL) modes
+
+    void SetLayoutDirection(wxLayoutDirection dir)
+        { m_pimpl->SetLayoutDirection( dir ); }
+    wxLayoutDirection GetLayoutDirection() const
+        { return m_pimpl->GetLayoutDirection(); }
+
+    // page and document
+
+    bool StartDoc(const wxString& message)
+        { return m_pimpl->StartDoc(message); }
+    void EndDoc()
+        { m_pimpl->EndDoc(); }
+
+    void StartPage()
+        { m_pimpl->StartPage(); }
+    void EndPage()
+        { m_pimpl->EndPage(); }
+
+    // bounding box
+
+    void CalcBoundingBox(wxCoord x, wxCoord y)
+        { m_pimpl->CalcBoundingBox(x,y); }
+    void ResetBoundingBox()
+        { m_pimpl->ResetBoundingBox(); }
+
+    wxCoord MinX() const
+        { return m_pimpl->MinX(); }
+    wxCoord MaxX() const
+        { return m_pimpl->MaxX(); }
+    wxCoord MinY() const
+        { return m_pimpl->MinY(); }
+    wxCoord MaxY() const
+        { return m_pimpl->MaxY(); }
+
+    // setters and getters
+
+    void SetFont(const wxFont& font)
+        { m_pimpl->SetFont( font ); }
+    const wxFont&   GetFont() const
+        { return m_pimpl->GetFont(); }
+
+    void SetPen(const wxPen& pen)
+        { m_pimpl->SetPen( pen ); }
+    const wxPen&    GetPen() const
+        { return m_pimpl->GetPen(); }
+
+    void SetBrush(const wxBrush& brush)
+        { m_pimpl->SetBrush( brush ); }
+    const wxBrush&  GetBrush() const
+        { return m_pimpl->GetBrush(); }
+
+    void SetBackground(const wxBrush& brush)
+        { m_pimpl->SetBackground( brush ); }
+    const wxBrush&  GetBackground() const
+        { return m_pimpl->GetBackground(); }
+
+    void SetBackgroundMode(int mode)
+        { m_pimpl->SetBackgroundMode( mode ); }
+    int GetBackgroundMode() const
+        { return m_pimpl->GetBackgroundMode(); }
+
+    void SetTextForeground(const wxColour& colour)
+        { m_pimpl->SetTextForeground(colour); }
+    const wxColour& GetTextForeground() const
+        { return m_pimpl->GetTextForeground(); }
+
+    void SetTextBackground(const wxColour& colour)
+        { m_pimpl->SetTextBackground(colour); }
+    const wxColour& GetTextBackground() const
+        { return m_pimpl->GetTextBackground(); }
+
+#if wxUSE_PALETTE
+    void SetPalette(const wxPalette& palette)
+        { m_pimpl->SetPalette(palette); }
+#endif // wxUSE_PALETTE
+
+    // logical functions
+
+    void SetLogicalFunction(int function)
+        { m_pimpl->SetLogicalFunction(function); }
+    int GetLogicalFunction() const
+        { return m_pimpl->GetLogicalFunction(); }
+
+    // text measurement
+
+    wxCoord GetCharHeight() const
+        { return m_pimpl->GetCharHeight(); }
+    wxCoord GetCharWidth() const
+        { return m_pimpl->GetCharWidth(); }
+
+    void GetTextExtent(const wxString& string,
+                       wxCoord *x, wxCoord *y,
+                       wxCoord *descent = NULL,
+                       wxCoord *externalLeading = NULL,
+                       const wxFont *theFont = NULL) const
+        { m_pimpl->DoGetTextExtent(string, x, y, descent, externalLeading, theFont); }
+
+    wxSize GetTextExtent(const wxString& string) const

     {
     {

-        if ( x ) *x = m_logicalScaleX;
-        if ( y ) *y = m_logicalScaleY;
+        wxCoord w, h;
+        m_pimpl->DoGetTextExtent(string, &w, &h);
+        return wxSize(w, h);

     }
     }

-    virtual void SetLogicalScale(double x, double y)
+
+    void GetMultiLineTextExtent(const wxString& string,
+                                        wxCoord *width,
+                                        wxCoord *height,
+                                        wxCoord *heightLine = NULL,
+                                        const wxFont *font = NULL) const
+        { m_pimpl->GetMultiLineTextExtent( string, width, height, heightLine, font ); }
+
+    wxSize GetMultiLineTextExtent(const wxString& string) const

     {
     {

-        m_logicalScaleX = x;
-        m_logicalScaleY = y;
+        wxCoord w, h;
+        m_pimpl->GetMultiLineTextExtent(string, &w, &h);
+        return wxSize(w, h);

     }
 
     }
 

-    void GetLogicalOrigin(long *x, long *y) const
-        { DoGetLogicalOrigin(x, y); }
+    bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+        { return m_pimpl->DoGetPartialTextExtents(text, widths); }
+
+    // clearing
+
+    void Clear()
+        { m_pimpl->Clear(); }
+
+    // clipping
+
+    void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+        { m_pimpl->DoSetClippingRegion(x, y, width, height); }
+    void SetClippingRegion(const wxPoint& pt, const wxSize& sz)
+        { m_pimpl->DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); }
+    void SetClippingRegion(const wxRect& rect)
+        { m_pimpl->DoSetClippingRegion(rect.x, rect.y, rect.width, rect.height); }
+    void SetClippingRegion(const wxRegion& region)
+        { m_pimpl->DoSetClippingRegionAsRegion(region); }
+
+    void DestroyClippingRegion()
+        { m_pimpl->DestroyClippingRegion(); }
+
+    void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
+        { m_pimpl->DoGetClippingBox(x, y, w, h); }
+    void GetClippingBox(wxRect& rect) const
+        { m_pimpl->DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); }
+
+    // coordinates conversions and transforms
+
+    wxCoord DeviceToLogicalX(wxCoord x) const
+        { return m_pimpl->DeviceToLogicalX(x); }
+    wxCoord DeviceToLogicalY(wxCoord y) const
+        { return m_pimpl->DeviceToLogicalY(y); }
+    wxCoord DeviceToLogicalXRel(wxCoord x) const
+        { return m_pimpl->DeviceToLogicalXRel(x); }
+    wxCoord DeviceToLogicalYRel(wxCoord y) const
+        { return m_pimpl->DeviceToLogicalYRel(y); }
+    wxCoord LogicalToDeviceX(wxCoord x) const
+        { return m_pimpl->LogicalToDeviceX(x); }
+    wxCoord LogicalToDeviceY(wxCoord y) const
+        { return m_pimpl->LogicalToDeviceY(y); }
+    wxCoord LogicalToDeviceXRel(wxCoord x) const
+        { return m_pimpl->LogicalToDeviceXRel(x); }
+    wxCoord LogicalToDeviceYRel(wxCoord y) const
+        { return m_pimpl->LogicalToDeviceYRel(y); }
+
+    void SetMapMode(int mode)
+        { m_pimpl->SetMapMode(mode); }
+    int GetMapMode() const
+        { return m_pimpl->GetMapMode(); }
+
+    void SetUserScale(double x, double y)
+        { m_pimpl->SetUserScale(x,y); }
+    void GetUserScale(double *x, double *y) const
+        { m_pimpl->GetUserScale( x, y ); }
+
+    void SetLogicalScale(double x, double y)
+        { m_pimpl->SetLogicalScale( x, y ); }
+    void GetLogicalScale(double *x, double *y)
+        { m_pimpl->GetLogicalScale( x, y ); }
+
+    void SetLogicalOrigin(wxCoord x, wxCoord y)
+        { m_pimpl->SetLogicalOrigin(x,y); }
+    void GetLogicalOrigin(wxCoord *x, wxCoord *y) const
+        { m_pimpl->DoGetLogicalOrigin(x, y); }

     wxPoint GetLogicalOrigin() const
     wxPoint GetLogicalOrigin() const

-        { long x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }
-    virtual void SetLogicalOrigin(long x, long y) = 0;
+        { wxCoord x, y; m_pimpl->DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); }

 
 

-    void GetDeviceOrigin(long *x, long *y) const
-        { DoGetDeviceOrigin(x, y); }
+    void SetDeviceOrigin(wxCoord x, wxCoord y)
+        { m_pimpl->SetDeviceOrigin( x, y); }
+    void GetDeviceOrigin(wxCoord *x, wxCoord *y) const
+        { m_pimpl->DoGetDeviceOrigin(x, y); }

     wxPoint GetDeviceOrigin() const
     wxPoint GetDeviceOrigin() const

-        { long x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
-    virtual void SetDeviceOrigin(long x, long y) = 0;
+        { wxCoord x, y; m_pimpl->DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }

 
 

-    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;
+    void SetAxisOrientation(bool xLeftRight, bool yBottomUp)
+        { m_pimpl->SetAxisOrientation(xLeftRight, yBottomUp); }

 
 

-    int GetLogicalFunction() const { return m_logicalFunction; }
-    virtual void SetLogicalFunction(int function) = 0;
+    // mostly internal
+    void SetDeviceLocalOrigin( wxCoord x, wxCoord y )
+        { m_pimpl->SetDeviceLocalOrigin( x, y ); }

 
 

-    // Sometimes we need to override optimization, e.g. if other software is
-    // drawing onto our surface and we can't be sure of who's done what.
-    //
-    // FIXME: is this (still) used?
-    virtual void SetOptimization(bool WXUNUSED(opt)) { }
-    virtual bool GetOptimization() { return FALSE; }

 
 

-    // bounding box
-    // ------------
+    // draw generic object

 
 

-    virtual void CalcBoundingBox(long x, long y)
+    void DrawObject(wxDrawObject* drawobject)

     {
     {

-        if (x < m_minX) m_minX = x;
-        if (y < m_minY) m_minY = y;
-        if (x > m_maxX) m_maxX = x;
-        if (y > m_maxY) m_maxY = y;
+        drawobject->Draw(*this);
+        CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
+        CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());

     }
 
     }
 

-    // Get the final bounding box of the PostScript or Metafile picture.
-    long MinX() const { return m_minX; }
-    long MaxX() const { return m_maxX; }
-    long MinY() const { return m_minY; }
-    long MaxY() const { return m_maxY; }
-
-    // misc old functions
-    // ------------------
-
-#if WXWIN_COMPATIBILITY
-    virtual void SetColourMap(const wxPalette& palette) { SetPalette(palette); }
-    void GetTextExtent(const wxString& string, float *x, float *y,
-            float *descent = NULL, float *externalLeading = NULL,
-            wxFont *theFont = NULL, bool use16bit = FALSE) const ;
-    void GetSize(float* width, float* height) const { int w, h; GetSize(& w, & h); *width = w; *height = h; }
-    void GetSizeMM(float *width, float *height) const { long w, h; GetSizeMM(& w, & h); *width = (float) w; *height = (float) h; }
-#endif // WXWIN_COMPATIBILITY
+    // -----------------------------------------------
+    // the actual drawing API
+
+    bool FloodFill(wxCoord x, wxCoord y, const wxColour& col,
+                   int style = wxFLOOD_SURFACE)
+        { return m_pimpl->DoFloodFill(x, y, col, style); }
+    bool FloodFill(const wxPoint& pt, const wxColour& col,
+                   int style = wxFLOOD_SURFACE)
+        { return m_pimpl->DoFloodFill(pt.x, pt.y, col, style); }
+
+    // fill the area specified by rect with a radial gradient, starting from
+    // initialColour in the centre of the cercle and fading to destColour.
+    void GradientFillConcentric(const wxRect& rect,
+                                const wxColour& initialColour,
+                                const wxColour& destColour)
+        { m_pimpl->DoGradientFillConcentric( rect, initialColour, destColour,
+                                             wxPoint(rect.GetWidth() / 2,
+                                                     rect.GetHeight() / 2)); }
+
+    void GradientFillConcentric(const wxRect& rect,
+                                const wxColour& initialColour,
+                                const wxColour& destColour,
+                                const wxPoint& circleCenter)
+        { m_pimpl->DoGradientFillConcentric(rect, initialColour, destColour, circleCenter); }
+
+    // fill the area specified by rect with a linear gradient
+    void GradientFillLinear(const wxRect& rect,
+                            const wxColour& initialColour,
+                            const wxColour& destColour,
+                            wxDirection nDirection = wxEAST)
+        { m_pimpl->DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
+
+    bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
+        { return m_pimpl->DoGetPixel(x, y, col); }
+    bool GetPixel(const wxPoint& pt, wxColour *col) const
+        { return m_pimpl->DoGetPixel(pt.x, pt.y, col); }

 
 

-protected:
-    // the pure virtual functions which should be implemented by wxDC
-    virtual void DoFloodFill(long x, long y, const wxColour& col,
-                             int style = wxFLOOD_SURFACE) = 0;
+    void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
+        { m_pimpl->DoDrawLine(x1, y1, x2, y2); }
+    void DrawLine(const wxPoint& pt1, const wxPoint& pt2)
+        { m_pimpl->DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); }

 
 

-    virtual bool DoGetPixel(long x, long y, wxColour *col) const = 0;
+    void CrossHair(wxCoord x, wxCoord y)
+        { m_pimpl->DoCrossHair(x, y); }
+    void CrossHair(const wxPoint& pt)
+        { m_pimpl->DoCrossHair(pt.x, pt.y); }

 
 

-    virtual void DoDrawPoint(long x, long y) = 0;
-    virtual void DoDrawLine(long x1, long y1, long x2, long y2) = 0;
+    void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
+                 wxCoord xc, wxCoord yc)
+        { m_pimpl->DoDrawArc(x1, y1, x2, y2, xc, yc); }
+    void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre)
+        { m_pimpl->DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); }

 
 

-    virtual void DoDrawArc(long x1, long y1,
-                           long x2, long y2,
-                           long xc, long yc) = 0;
-    virtual void DoDrawEllipticArc(long x, long y, long w, long h,
-                                   double sa, double ea) = 0;
+    void DrawCheckMark(wxCoord x, wxCoord y,
+                       wxCoord width, wxCoord height)
+        { m_pimpl->DoDrawCheckMark(x, y, width, height); }
+    void DrawCheckMark(const wxRect& rect)
+        { m_pimpl->DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); }

 
 

-    virtual void DoDrawRectangle(long x, long y, long width, long height) = 0;
-    virtual void DoDrawRoundedRectangle(long x, long y,
-                                        long width, long height,
-                                        double radius) = 0;
-    virtual void DoDrawEllipse(long x, long y, long width, long height) = 0;
+    void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
+                         double sa, double ea)
+        { m_pimpl->DoDrawEllipticArc(x, y, w, h, sa, ea); }
+    void DrawEllipticArc(const wxPoint& pt, const wxSize& sz,
+                         double sa, double ea)
+        { m_pimpl->DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); }
+
+    void DrawPoint(wxCoord x, wxCoord y)
+        { m_pimpl->DoDrawPoint(x, y); }
+    void DrawPoint(const wxPoint& pt)
+        { m_pimpl->DoDrawPoint(pt.x, pt.y); }
+
+    void DrawLines(int n, wxPoint points[],
+                   wxCoord xoffset = 0, wxCoord yoffset = 0)
+        { m_pimpl->DoDrawLines(n, points, xoffset, yoffset); }
+    void DrawLines(const wxPointList *list,
+                   wxCoord xoffset = 0, wxCoord yoffset = 0)
+        { m_pimpl->DrawLines( list, xoffset, yoffset ); }
+#if WXWIN_COMPATIBILITY_2_8
+    wxDEPRECATED( void DrawLines(const wxList *list,
+                                 wxCoord xoffset = 0, wxCoord yoffset = 0) );
+#endif  // WXWIN_COMPATIBILITY_2_8

 
 

-    virtual void DoCrossHair(long x, long y) = 0;
+    void DrawPolygon(int n, wxPoint points[],
+                     wxCoord xoffset = 0, wxCoord yoffset = 0,
+                     int fillStyle = wxODDEVEN_RULE)
+        { m_pimpl->DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
+    void DrawPolygon(const wxPointList *list,
+                     wxCoord xoffset = 0, wxCoord yoffset = 0,
+                     int fillStyle = wxODDEVEN_RULE)
+        { m_pimpl->DrawPolygon( list, xoffset, yoffset, fillStyle ); }
+    void DrawPolyPolygon(int n, int count[], wxPoint points[],
+                         wxCoord xoffset = 0, wxCoord yoffset = 0,
+                         int fillStyle = wxODDEVEN_RULE)
+        { m_pimpl->DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
+#if WXWIN_COMPATIBILITY_2_8
+    wxDEPRECATED( void DrawPolygon(const wxList *list,
+                     wxCoord xoffset = 0, wxCoord yoffset = 0,
+                     int fillStyle = wxODDEVEN_RULE) );
+#endif  // WXWIN_COMPATIBILITY_2_8
+
+    void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+        { m_pimpl->DoDrawRectangle(x, y, width, height); }
+    void DrawRectangle(const wxPoint& pt, const wxSize& sz)
+        { m_pimpl->DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); }
+    void DrawRectangle(const wxRect& rect)
+        { m_pimpl->DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); }

 
 

-    virtual void DoDrawIcon(const wxIcon& icon, long x, long y) = 0;
-    virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y,
-                              bool useMask = FALSE) = 0;
+    void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
+                              double radius)
+        { m_pimpl->DoDrawRoundedRectangle(x, y, width, height, radius); }
+    void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
+                             double radius)
+        { m_pimpl->DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
+    void DrawRoundedRectangle(const wxRect& r, double radius)
+        { m_pimpl->DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }

 
 

-    virtual void DoDrawText(const wxString& text, long x, long y) = 0;
+    void DrawCircle(wxCoord x, wxCoord y, wxCoord radius)
+        { m_pimpl->DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); }
+    void DrawCircle(const wxPoint& pt, wxCoord radius)
+        { m_pimpl->DoDrawEllipse(pt.x - radius, pt.y - radius, 2*radius, 2*radius); }

 
 

-    virtual bool DoBlit(long xdest, long ydest, long width, long height,
-                        wxDC *source, long xsrc, long ysrc,
-                        int rop = wxCOPY, bool useMask = FALSE) = 0;
+    void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+        { m_pimpl->DoDrawEllipse(x, y, width, height); }
+    void DrawEllipse(const wxPoint& pt, const wxSize& sz)
+        { m_pimpl->DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); }
+    void DrawEllipse(const wxRect& rect)
+        { m_pimpl->DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); }

 
 

-    virtual void DoGetSize(int *width, int *height) const = 0;
-    virtual void DoGetSizeMM(int* width, int* height) const = 0;
+    void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
+        { m_pimpl->DoDrawIcon(icon, x, y); }
+    void DrawIcon(const wxIcon& icon, const wxPoint& pt)
+        { m_pimpl->DoDrawIcon(icon, pt.x, pt.y); }

 
 

-    virtual void DoDrawLines(int n, wxPoint points[],
-                             long xoffset, long yoffset) = 0;
-    virtual void DoDrawPolygon(int n, wxPoint points[],
-                               long xoffset, long yoffset,
-                               int fillStyle = wxODDEVEN_RULE) = 0;
+    void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
+                    bool useMask = false)
+        { m_pimpl->DoDrawBitmap(bmp, x, y, useMask); }
+    void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
+                    bool useMask = false)
+        { m_pimpl->DoDrawBitmap(bmp, pt.x, pt.y, useMask); }

 
 

-    virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
-    virtual void DoSetClippingRegion(long x, long y,
-                                     long width, long height) = 0;
-
-    // FIXME are these functions really different?
-    virtual void DoGetClippingRegion(long *x, long *y,
-                                     long *w, long *h)
-        { DoGetClippingBox(x, y, w, h); }
-    virtual void DoGetClippingBox(long *x, long *y,
-                                  long *w, long *h) const
+    void DrawText(const wxString& text, wxCoord x, wxCoord y)
+        { m_pimpl->DoDrawText(text, x, y); }
+    void DrawText(const wxString& text, const wxPoint& pt)
+        { m_pimpl->DoDrawText(text, pt.x, pt.y); }
+
+    void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
+        { m_pimpl->DoDrawRotatedText(text, x, y, angle); }
+    void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle)
+        { m_pimpl->DoDrawRotatedText(text, pt.x, pt.y, angle); }
+
+    // this version puts both optional bitmap and the text into the given
+    // rectangle and aligns is as specified by alignment parameter; it also
+    // will emphasize the character with the given index if it is != -1 and
+    // return the bounding rectangle if required
+    void DrawLabel(const wxString& text,
+                           const wxBitmap& image,
+                           const wxRect& rect,
+                           int alignment = wxALIGN_LEFT | wxALIGN_TOP,
+                           int indexAccel = -1,
+                           wxRect *rectBounding = NULL);
+
+    void DrawLabel(const wxString& text, const wxRect& rect,
+                   int alignment = wxALIGN_LEFT | wxALIGN_TOP,
+                   int indexAccel = -1)
+        { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); }
+
+    bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+              wxDC *source, wxCoord xsrc, wxCoord ysrc,
+              int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)

     {
     {

-        if ( m_clipping )
-        {
-            if ( x ) *x = m_clipX1;
-            if ( y ) *y = m_clipY1;
-            if ( w ) *w = m_clipX2 - m_clipX1;
-            if ( h ) *h = m_clipY2 - m_clipY1;
-        }
-        else
-        {
-            *x = *y = *w = *h = 0;
-        }
+        return m_pimpl->DoBlit(xdest, ydest, width, height,
+                      source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
+    }
+    bool Blit(const wxPoint& destPt, const wxSize& sz,
+              wxDC *source, const wxPoint& srcPt,
+              int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)
+    {
+        return m_pimpl->DoBlit(destPt.x, destPt.y, sz.x, sz.y,
+                      source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);

     }
 
     }
 

-    virtual void DoGetLogicalOrigin(long *x, long *y) const
+    bool StretchBlit(wxCoord dstX, wxCoord dstY,
+                     wxCoord dstWidth, wxCoord dstHeight,
+                     wxDC *source,
+                     wxCoord srcX, wxCoord srcY,
+                     wxCoord srcWidth, wxCoord srcHeight,
+                     int rop = wxCOPY, bool useMask = false,
+                     wxCoord srcMaskX = wxDefaultCoord, wxCoord srcMaskY = wxDefaultCoord)

     {
     {

-        if ( x ) *x = m_logicalOriginX;
-        if ( y ) *y = m_logicalOriginY;
+        return m_pimpl->DoStretchBlit(dstX, dstY, dstWidth, dstHeight,
+                      source, srcX, srcY, srcWidth, srcHeight, rop, useMask, srcMaskX, srcMaskY);
+    }
+    bool StretchBlit(const wxPoint& dstPt, const wxSize& dstSize,
+                     wxDC *source, const wxPoint& srcPt, const wxSize& srcSize,
+                     int rop = wxCOPY, bool useMask = false, const wxPoint& srcMaskPt = wxDefaultPosition)
+    {
+        return m_pimpl->DoStretchBlit(dstPt.x, dstPt.y, dstSize.x, dstSize.y,
+                      source, srcPt.x, srcPt.y, srcSize.x, srcSize.y, rop, useMask, srcMaskPt.x, srcMaskPt.y);

     }
 
     }
 

-    virtual void DoGetDeviceOrigin(long *x, long *y) const
+    wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const

     {
     {

-        if ( x ) *x = m_deviceOriginX;
-        if ( y ) *y = m_deviceOriginY;
+        return m_pimpl->DoGetAsBitmap(subrect);

     }
 
 #if wxUSE_SPLINES
     }
 
 #if wxUSE_SPLINES

-    virtual void DoDrawSpline(wxList *points) = 0;
-#endif
+    void DrawSpline(wxCoord x1, wxCoord y1,
+                    wxCoord x2, wxCoord y2,
+                    wxCoord x3, wxCoord y3)
+        { m_pimpl->DoDrawSpline(x1,y1,x2,y2,x3,y3); }
+    void DrawSpline(int n, wxPoint points[])
+        { m_pimpl->DoDrawSpline(n,points); }
+    void DrawSpline(const wxPointList *points)
+        { m_pimpl->DoDrawSpline(points); }
+#endif // wxUSE_SPLINES
+
+
+#if WXWIN_COMPATIBILITY_2_8
+    // for compatibility with the old code when wxCoord was long everywhere
+    wxDEPRECATED( void GetTextExtent(const wxString& string,
+                       long *x, long *y,
+                       long *descent = NULL,
+                       long *externalLeading = NULL,
+                       const wxFont *theFont = NULL) const );
+    wxDEPRECATED( void GetLogicalOrigin(long *x, long *y) const );
+    wxDEPRECATED( void GetDeviceOrigin(long *x, long *y) const );
+    wxDEPRECATED( void GetClippingBox(long *x, long *y, long *w, long *h) const );
+#endif  // WXWIN_COMPATIBILITY_2_8
+

 
 protected:
 
 protected:

-    // flags
-    bool m_colour:1;
-    bool m_ok:1;
-    bool m_clipping:1;
-    bool m_isInteractive:1;
+    // ctor takes ownership of the pointer
+    wxDC(wxDCImpl *pimpl) : m_pimpl(pimpl) { }

 
 

-    // coordinate system variables
+    wxDCImpl * const m_pimpl;

 
 

-    // TODO short descriptions of what exactly they are would be nice...
+private:
+    DECLARE_ABSTRACT_CLASS(wxDC)
+    DECLARE_NO_COPY_CLASS(wxDC)
+};

 
 

-    long m_logicalOriginX, m_logicalOriginY;
-    long m_deviceOriginX, m_deviceOriginY;
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC text colour and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------

 
 

-    double m_logicalScaleX, m_logicalScaleY;
-    double m_userScaleX, m_userScaleY;
-    double m_scaleX, m_scaleY;
+class WXDLLEXPORT wxDCTextColourChanger
+{
+public:
+    wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }

 
 

-    // Used by SetAxisOrientation() to invert the axes
-    int m_signX, m_signY;
+    wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
+    {
+        Set(col);
+    }

 
 

-    // bounding and clipping boxes
-    long m_minX, m_minY, m_maxX, m_maxY;
-    long m_clipX1, m_clipY1, m_clipX2, m_clipY2;
+    ~wxDCTextColourChanger()
+    {
+        if ( m_colFgOld.Ok() )
+            m_dc.SetTextForeground(m_colFgOld);
+    }

 
 

-    int m_logicalFunction;
-    int m_backgroundMode;
-    int m_mappingMode;
+    void Set(const wxColour& col)
+    {
+        if ( !m_colFgOld.Ok() )
+            m_colFgOld = m_dc.GetTextForeground();
+        m_dc.SetTextForeground(col);
+    }

 
 

-    // GDI objects
-    wxPen             m_pen;
-    wxBrush           m_brush;
-    wxBrush           m_backgroundBrush;
-    wxColour          m_textForegroundColour;
-    wxColour          m_textBackgroundColour;
-    wxFont            m_font;
-    wxPalette         m_palette;
+private:
+    wxDC& m_dc;
+
+    wxColour m_colFgOld;
+
+    DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
+};
+
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC pen and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDCPenChanger
+{
+public:
+    wxDCPenChanger(wxDC& dc, const wxPen& pen) : m_dc(dc), m_penOld(dc.GetPen())
+    {
+        m_dc.SetPen(pen);
+    }
+
+    ~wxDCPenChanger()
+    {
+        if ( m_penOld.Ok() )
+            m_dc.SetPen(m_penOld);
+    }

 
 private:
 
 private:

-    DECLARE_NO_COPY_CLASS(wxDCBase);
+    wxDC& m_dc;
+
+    wxPen m_penOld;
+
+    DECLARE_NO_COPY_CLASS(wxDCPenChanger)

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------

-// now include the declaration of wxDC class
+// helper class: you can use it to temporarily change the DC brush and
+// restore it automatically when the object goes out of scope

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#if defined(__WXMSW__)
-    #include "wx/msw/dc.h"
-#elif defined(__WXMOTIF__)
-    #include "wx/motif/dc.h"
-#elif defined(__WXGTK__)
-    #include "wx/gtk/dc.h"
-#elif defined(__WXQT__)
-    #include "wx/qt/dc.h"
-#elif defined(__WXMAC__)
-    #include "wx/mac/dc.h"
-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/dc.h"
-#endif
+class WXDLLEXPORT wxDCBrushChanger
+{
+public:
+    wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
+    {
+        m_dc.SetBrush(brush);
+    }

 
 

-#endif
-    // _WX_DC_H_BASE_
+    ~wxDCBrushChanger()
+    {
+        if ( m_brushOld.Ok() )
+            m_dc.SetBrush(m_brushOld);
+    }
+
+private:
+    wxDC& m_dc;
+
+    wxBrush m_brushOld;
+
+    DECLARE_NO_COPY_CLASS(wxDCBrushChanger)
+};
+
+// ----------------------------------------------------------------------------
+// another small helper class: sets the clipping region in its ctor and
+// destroys it in the dtor
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDCClipper
+{
+public:
+    wxDCClipper(wxDC& dc, const wxRegion& r) : m_dc(dc)
+        { dc.SetClippingRegion(r); }
+    wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc)
+        { dc.SetClippingRegion(r.x, r.y, r.width, r.height); }
+    wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc)
+        { dc.SetClippingRegion(x, y, w, h); }
+
+    ~wxDCClipper() { m_dc.DestroyClippingRegion(); }
+
+private:
+    wxDC& m_dc;
+
+    DECLARE_NO_COPY_CLASS(wxDCClipper)
+};
+
+#endif // _WX_DC_H_BASE_