Implement deep copy of wxBitmapRefData

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

diff --git a/include/wx/dc.h b/include/wx/dc.h
index b536b75d9e692f5509b0074e387efdbcde1de1e1..dbe62c4d95e2f94754072a0c0c5c4e3ceeef919b 100644 (file)
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -1,34 +1,34 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dc.h
+// Name:        wx/dc.h

 // Purpose:     wxDC class
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     05/25/99
 // RCS-ID:      $Id$
 // Purpose:     wxDC class
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     05/25/99
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DC_H_BASE_
 #define _WX_DC_H_BASE_
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DC_H_BASE_
 #define _WX_DC_H_BASE_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "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/list.h"            // we use wxList in inline functions
 #include "wx/brush.h"
 #include "wx/pen.h"
 #include "wx/palette.h"
 #include "wx/list.h"            // we use wxList in inline functions

+#include "wx/dynarray.h"
+#include "wx/math.h"

 
 class WXDLLEXPORT wxDC;
 class WXDLLEXPORT wxDCBase;
 
 class WXDLLEXPORT wxDC;
 class WXDLLEXPORT wxDCBase;


@@ -38,7 +38,7 @@ class WXDLLEXPORT wxDrawObject
 public:
 
     wxDrawObject()
 public:
 
     wxDrawObject()

-        : m_isBBoxValid(FALSE)
+        : m_isBBoxValid(false)

         , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
     { }
 
         , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
     { }
 


@@ -57,7 +57,7 @@ public:
       }
       else
       {
       }
       else
       {

-         m_isBBoxValid = TRUE;
+         m_isBBoxValid = true;

 
          m_minX = x;
          m_minY = y;
 
          m_minX = x;
          m_minY = y;


@@ -68,7 +68,7 @@ public:
 
     void ResetBoundingBox()
     {
 
     void ResetBoundingBox()
     {

-        m_isBBoxValid = FALSE;
+        m_isBBoxValid = false;

 
         m_minX = m_maxX = m_minY = m_maxY = 0;
     }
 
         m_minX = m_maxX = m_minY = m_maxY = 0;
     }


@@ -94,8 +94,6 @@ protected:
 // global variables
 // ---------------------------------------------------------------------------
 
 // global variables
 // ---------------------------------------------------------------------------
 

-WXDLLEXPORT_DATA(extern int) wxPageNumber;
-

 // ---------------------------------------------------------------------------
 // wxDC is the device context - object on which any drawing is done
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // wxDC is the device context - object on which any drawing is done
 // ---------------------------------------------------------------------------


@@ -105,10 +103,10 @@ class WXDLLEXPORT wxDCBase : public wxObject
 public:
     wxDCBase()
         : m_colour(wxColourDisplay())
 public:
     wxDCBase()
         : m_colour(wxColourDisplay())

-        , m_ok(TRUE)
-        , m_clipping(FALSE)
+        , m_ok(true)
+        , m_clipping(false)

         , m_isInteractive(0)
         , m_isInteractive(0)

-        , m_isBBoxValid(FALSE)
+        , m_isBBoxValid(false)

         , m_logicalOriginX(0), m_logicalOriginY(0)
         , m_deviceOriginX(0), m_deviceOriginY(0)
         , m_logicalScaleX(1.0), m_logicalScaleY(1.0)
         , m_logicalOriginX(0), m_logicalOriginY(0)
         , m_deviceOriginX(0), m_deviceOriginY(0)
         , m_logicalScaleX(1.0), m_logicalScaleY(1.0)


@@ -128,16 +126,14 @@ public:
         , m_font()
 #if wxUSE_PALETTE
         , m_palette()
         , m_font()
 #if wxUSE_PALETTE
         , m_palette()

-        , m_hasCustomPalette(FALSE)
+        , m_hasCustomPalette(false)

 #endif // wxUSE_PALETTE
     {
         ResetBoundingBox();
 #endif // wxUSE_PALETTE
     {
         ResetBoundingBox();

+        ResetClipping();

     }
 
     }
 

-    ~wxDCBase() { }
-
-    virtual void BeginDrawing() { }
-    virtual void EndDrawing() { }
+    virtual ~wxDCBase() { }

 
     // graphic primitives
     // ------------------
 
     // graphic primitives
     // ------------------


@@ -156,6 +152,28 @@ public:
                    int style = wxFLOOD_SURFACE)
         { return DoFloodFill(pt.x, pt.y, col, style); }
 
                    int style = wxFLOOD_SURFACE)
         { return 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)
+        { GradientFillConcentric(rect, initialColour, destColour,
+                                 wxPoint(rect.GetWidth() / 2,
+                                         rect.GetHeight() / 2)); }
+
+    void GradientFillConcentric(const wxRect& rect,
+                                const wxColour& initialColour,
+                                const wxColour& destColour,
+                                const wxPoint& circleCenter)
+        { 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)
+        { DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
+

     bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
         { return DoGetPixel(x, y, col); }
     bool GetPixel(const wxPoint& pt, wxColour *col) const
     bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
         { return DoGetPixel(x, y, col); }
     bool GetPixel(const wxPoint& pt, wxColour *col) const


@@ -210,6 +228,11 @@ public:
                      wxCoord xoffset = 0, wxCoord yoffset = 0,
                      int fillStyle = wxODDEVEN_RULE);
 
                      wxCoord xoffset = 0, wxCoord yoffset = 0,
                      int fillStyle = wxODDEVEN_RULE);
 

+    void DrawPolyPolygon(int n, int count[], wxPoint points[],
+                         wxCoord xoffset = 0, wxCoord yoffset = 0,
+                         int fillStyle = wxODDEVEN_RULE)
+        { DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); }
+

     void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
         { DoDrawRectangle(x, y, width, height); }
     void DrawRectangle(const wxPoint& pt, const wxSize& sz)
     void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
         { DoDrawRectangle(x, y, width, height); }
     void DrawRectangle(const wxPoint& pt, const wxSize& sz)


@@ -244,10 +267,10 @@ public:
         { DoDrawIcon(icon, pt.x, pt.y); }
 
     void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
         { DoDrawIcon(icon, pt.x, pt.y); }
 
     void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,

-                    bool useMask = FALSE)
+                    bool useMask = false)

         { DoDrawBitmap(bmp, x, y, useMask); }
     void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
         { DoDrawBitmap(bmp, x, y, useMask); }
     void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,

-                    bool useMask = FALSE)
+                    bool useMask = false)

         { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
 
     void DrawText(const wxString& text, wxCoord x, wxCoord y)
         { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
 
     void DrawText(const wxString& text, wxCoord x, wxCoord y)


@@ -278,18 +301,23 @@ public:
 
     bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
               wxDC *source, wxCoord xsrc, wxCoord ysrc,
 
     bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
               wxDC *source, wxCoord xsrc, wxCoord ysrc,

-              int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1)
+              int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord)

     {
         return 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,
     {
         return 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 = wxPoint(-1, -1))
+              int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition)

     {
         return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
                       source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
     }
     {
         return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
                       source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y);
     }

+    
+    wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const
+    {
+        return DoGetAsBitmap(subrect);
+    }

 
 #if wxUSE_SPLINES
     // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
 
 #if wxUSE_SPLINES
     // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)


@@ -308,18 +336,18 @@ public:
      *  \param y Upper left corner of bounding box.
      *  \param w Width of bounding box.
      *  \param h Height of bounding box.
      *  \param y Upper left corner of bounding box.
      *  \param w Width of bounding box.
      *  \param h Height of bounding box.

-     *  \param sa Starting angle of arc 
+     *  \param sa Starting angle of arc

      *            (counterclockwise, start at 3 o'clock, 360 is full circle).
      *  \param ea Ending angle of arc.
      *            (counterclockwise, start at 3 o'clock, 360 is full circle).
      *  \param ea Ending angle of arc.

-     *  \param angle Rotation angle, the Arc will be rotated after 
+     *  \param angle Rotation angle, the Arc will be rotated after

      *               calculating begin and end.
      */
      *               calculating begin and end.
      */

-    void DrawEllipticArcRot( wxCoord x, wxCoord y, 
-                             wxCoord width, wxCoord height, 
+    void DrawEllipticArcRot( wxCoord x, wxCoord y,
+                             wxCoord width, wxCoord height,

                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }
                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); }

-    
-    void DrawEllipticArcRot( const wxPoint& pt, 
+
+    void DrawEllipticArcRot( const wxPoint& pt,

                              const wxSize& sz,
                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }
                              const wxSize& sz,
                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); }


@@ -328,38 +356,44 @@ public:
                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
 
                              double sa = 0, double ea = 0, double angle = 0 )
     { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); }
 

-    virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y, 
-                                       wxCoord w, wxCoord h, 
+    virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y,
+                                       wxCoord w, wxCoord h,

                                        double sa = 0, double ea = 0, double angle = 0 );
                                        double sa = 0, double ea = 0, double angle = 0 );

-    
+

     //! Rotates points around center.
     /*! This is a quite straight method, it calculates in pixels
      *  and so it produces rounding errors.
      *  \param points The points inside will be rotated.
      *  \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
      *  \param center Center of rotation.
     //! Rotates points around center.
     /*! This is a quite straight method, it calculates in pixels
      *  and so it produces rounding errors.
      *  \param points The points inside will be rotated.
      *  \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle).
      *  \param center Center of rotation.

-     */ 
-    void Rotate( wxList* points, double angle, wxPoint center = wxPoint() );
+     */
+    void Rotate( wxList* points, double angle, wxPoint center = wxPoint(0,0) );

 
     // used by DrawEllipticArcRot
     // Careful: wxList gets filled with points you have to delete later.
 
     // used by DrawEllipticArcRot
     // Careful: wxList gets filled with points you have to delete later.

-    void CalculateEllipticPoints( wxList* points, 
-                                  wxCoord xStart, wxCoord yStart, 
-                                  wxCoord w, wxCoord h, 
+    void CalculateEllipticPoints( wxList* points,
+                                  wxCoord xStart, wxCoord yStart,
+                                  wxCoord w, wxCoord h,

                                   double sa, double ea );
 #endif
                                   double sa, double ea );
 #endif

-    
+

     // global DC operations
     // --------------------
 
     virtual void Clear() = 0;
 
     // global DC operations
     // --------------------
 
     virtual void Clear() = 0;
 

-    virtual bool StartDoc(const wxString& WXUNUSED(message)) { return TRUE; }
+    virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; }

     virtual void EndDoc() { }
 
     virtual void StartPage() { }
     virtual void EndPage() { }
 
     virtual void EndDoc() { }
 
     virtual void StartPage() { }
     virtual void EndPage() { }
 

+#if WXWIN_COMPATIBILITY_2_6
+    wxDEPRECATED( void BeginDrawing() );
+    wxDEPRECATED( void EndDrawing() );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+

     // set objects to use for drawing
     // ------------------------------
 
     // set objects to use for drawing
     // ------------------------------
 


@@ -384,21 +418,13 @@ public:
     void SetClippingRegion(const wxRegion& region)
         { DoSetClippingRegionAsRegion(region); }
 
     void SetClippingRegion(const wxRegion& region)
         { DoSetClippingRegionAsRegion(region); }
 

-    virtual void DestroyClippingRegion() = 0;
+    virtual void DestroyClippingRegion() { ResetClipping(); }

 
     void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
         { DoGetClippingBox(x, y, w, h); }
     void GetClippingBox(wxRect& rect) const
         {
 
     void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
         { DoGetClippingBox(x, y, w, h); }
     void GetClippingBox(wxRect& rect) const
         {

-#if 1

           DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height);
           DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height);

-#else
-          // Necessary to use intermediate variables for 16-bit compilation
-          // REMOVE ME if the above is OK for all current platforms
-          wxCoord x, y, w, h;
-          DoGetClippingBox(&x, &y, &w, &h);
-          rect.x = x; rect.y = y; rect.width = w; rect.height = h;
-#endif

         }
 
     // text extent
         }
 
     // text extent


@@ -422,6 +448,11 @@ public:
                                         wxCoord *heightLine = NULL,
                                         wxFont *font = NULL);
 
                                         wxCoord *heightLine = NULL,
                                         wxFont *font = NULL);
 

+    // Measure cumulative width of text after each character
+    bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+        { return DoGetPartialTextExtents(text, widths); }
+
+

     // size and resolution
     // -------------------
 
     // size and resolution
     // -------------------
 


@@ -473,34 +504,26 @@ public:
     // Resolution in Pixels per inch
     virtual wxSize GetPPI() const = 0;
 
     // Resolution in Pixels per inch
     virtual wxSize GetPPI() const = 0;
 

-    virtual bool Ok() const { return m_ok; }
+    virtual bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const { return m_ok; }

 
 

-    // accessors
-    // ---------
-
-        // const...
-    int GetBackgroundMode() const { return m_backgroundMode; }
-    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; }
+    // accessors and setters
+    // ---------------------

 
 

-        // ... 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; }
+    virtual int GetBackgroundMode() const { return m_backgroundMode; }
+    virtual const wxBrush&  GetBackground() const { return m_backgroundBrush; }
+    virtual const wxBrush&  GetBrush() const { return m_brush; }
+    virtual const wxFont&   GetFont() const { return m_font; }
+    virtual const wxPen&    GetPen() const { return m_pen; }

 
 

+    virtual const wxColour& GetTextForeground() const { return m_textForegroundColour; }
+    virtual const wxColour& GetTextBackground() const { return m_textBackgroundColour; }

     virtual void SetTextForeground(const wxColour& colour)
         { m_textForegroundColour = colour; }
     virtual void SetTextBackground(const wxColour& colour)
         { m_textBackgroundColour = colour; }
 
     virtual void SetTextForeground(const wxColour& colour)
         { m_textForegroundColour = colour; }
     virtual void SetTextBackground(const wxColour& colour)
         { m_textBackgroundColour = colour; }
 

-    int GetMapMode() const { return m_mappingMode; }
+    virtual int GetMapMode() const { return m_mappingMode; }

     virtual void SetMapMode(int mode) = 0;
 
     virtual void GetUserScale(double *x, double *y) const
     virtual void SetMapMode(int mode) = 0;
 
     virtual void GetUserScale(double *x, double *y) const


@@ -533,17 +556,17 @@ public:
         { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
     virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0;
 
         { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); }
     virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0;
 

+    virtual void ComputeScaleAndOrigin() {}
+

     virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;
 
     virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0;
 

-    int GetLogicalFunction() const { return m_logicalFunction; }
+    virtual int GetLogicalFunction() const { return m_logicalFunction; }

     virtual void SetLogicalFunction(int function) = 0;
 
     virtual void SetLogicalFunction(int function) = 0;
 

-    // 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?
+#if WXWIN_COMPATIBILITY_2_4

     virtual void SetOptimization(bool WXUNUSED(opt)) { }
     virtual void SetOptimization(bool WXUNUSED(opt)) { }

-    virtual bool GetOptimization() { return FALSE; }
+    virtual bool GetOptimization() { return false; }
+#endif

 
     // bounding box
     // ------------
 
     // bounding box
     // ------------


@@ -559,7 +582,7 @@ public:
       }
       else
       {
       }
       else
       {

-         m_isBBoxValid = TRUE;
+         m_isBBoxValid = true;

 
          m_minX = x;
          m_minY = y;
 
          m_minX = x;
          m_minY = y;


@@ -570,7 +593,7 @@ public:
 
     void ResetBoundingBox()
     {
 
     void ResetBoundingBox()
     {

-        m_isBBoxValid = FALSE;
+        m_isBBoxValid = false;

 
         m_minX = m_maxX = m_minY = m_maxY = 0;
     }
 
         m_minX = m_maxX = m_minY = m_maxY = 0;
     }


@@ -585,7 +608,6 @@ public:
     // ------------------
 
     // for compatibility with the old code when wxCoord was long everywhere
     // ------------------
 
     // for compatibility with the old code when wxCoord was long everywhere

-#ifndef __WIN16__

     void GetTextExtent(const wxString& string,
                        long *x, long *y,
                        long *descent = NULL,
     void GetTextExtent(const wxString& string,
                        long *x, long *y,
                        long *descent = NULL,


@@ -634,13 +656,32 @@ public:
         if (w) *w = ww;
         if (h) *h = hh;
     }
         if (w) *w = ww;
         if (h) *h = hh;
     }

-#endif // !Win16
+
+    // RTL related functions
+    // ---------------------
+
+    // get or change the layout direction (LTR or RTL) for this dc,
+    // wxLayout_Default is returned if layout direction is not supported
+    virtual wxLayoutDirection GetLayoutDirection() const
+        { return wxLayout_Default; }
+    virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+        { }

 
 protected:
     // the pure virtual functions which should be implemented by wxDC
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                              int style = wxFLOOD_SURFACE) = 0;
 
 
 protected:
     // the pure virtual functions which should be implemented by wxDC
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
                              int style = wxFLOOD_SURFACE) = 0;
 

+    virtual void DoGradientFillLinear(const wxRect& rect,
+                                      const wxColour& initialColour,
+                                      const wxColour& destColour,
+                                      wxDirection nDirection = wxEAST);
+
+    virtual void DoGradientFillConcentric(const wxRect& rect,
+                                        const wxColour& initialColour,
+                                        const wxColour& destColour,
+                                        const wxPoint& circleCenter);
+

     virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
 
     virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;
     virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
 
     virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;


@@ -665,7 +706,7 @@ protected:
 
     virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0;
     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 
     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;
+                              bool useMask = false) = 0;

 
     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
     virtual void DoDrawRotatedText(const wxString& text,
 
     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0;
     virtual void DoDrawRotatedText(const wxString& text,


@@ -674,7 +715,9 @@ protected:
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest,
                         wxCoord width, wxCoord height,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
     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 = -1, wxCoord ysrcMask = -1) = 0;
+                        int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord) = 0;
+
+    virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const { return wxNullBitmap; }

 
     virtual void DoGetSize(int *width, int *height) const = 0;
     virtual void DoGetSizeMM(int* width, int* height) const = 0;
 
     virtual void DoGetSize(int *width, int *height) const = 0;
     virtual void DoGetSizeMM(int* width, int* height) const = 0;


@@ -684,29 +727,32 @@ protected:
     virtual void DoDrawPolygon(int n, wxPoint points[],
                                wxCoord xoffset, wxCoord yoffset,
                                int fillStyle = wxODDEVEN_RULE) = 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);

 
     virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                      wxCoord width, wxCoord height) = 0;
 
 
     virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0;
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                      wxCoord width, wxCoord height) = 0;
 

-    // FIXME are these functions really different?
+#if WXWIN_COMPATIBILITY_2_4
+    // this was only for confusing people, use DoGetClippingBox only

     virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
                                      wxCoord *w, wxCoord *h)
         { DoGetClippingBox(x, y, w, h); }
     virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
                                      wxCoord *w, wxCoord *h)
         { DoGetClippingBox(x, y, w, h); }

+#endif
+

     virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
                                   wxCoord *w, wxCoord *h) const
     {
     virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
                                   wxCoord *w, wxCoord *h) const
     {

-        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;
-        }
+        if ( x )
+            *x = m_clipX1;
+        if ( y )
+            *y = m_clipY1;
+        if ( w )
+            *w = m_clipX2 - m_clipX1;
+        if ( h )
+            *h = m_clipY2 - m_clipY1;

     }
 
     virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const
     }
 
     virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const


@@ -727,11 +773,21 @@ protected:
                                  wxCoord *externalLeading = NULL,
                                  wxFont *theFont = NULL) const = 0;
 
                                  wxCoord *externalLeading = NULL,
                                  wxFont *theFont = NULL) const = 0;
 

+    virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const;
+

 #if wxUSE_SPLINES
     virtual void DoDrawSpline(wxList *points);
 #endif
 
 protected:
 #if wxUSE_SPLINES
     virtual void DoDrawSpline(wxList *points);
 #endif
 
 protected:

+    // unset clipping variables (after clipping region was destroyed)
+    void ResetClipping()
+    {
+        m_clipping = false;
+
+        m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0;
+    }
+

     // flags
     bool m_colour:1;
     bool m_ok:1;
     // flags
     bool m_colour:1;
     bool m_ok:1;


@@ -783,16 +839,22 @@ private:
 // now include the declaration of wxDC class
 // ----------------------------------------------------------------------------
 
 // now include the declaration of wxDC class
 // ----------------------------------------------------------------------------
 

-#if defined(__WXMSW__)
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/dc.h"
+#elif defined(__WXMSW__)

     #include "wx/msw/dc.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/dc.h"
     #include "wx/msw/dc.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/dc.h"

-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)

     #include "wx/gtk/dc.h"
     #include "wx/gtk/dc.h"

+#elif defined(__WXGTK__)
+    #include "wx/gtk1/dc.h"

 #elif defined(__WXX11__)
     #include "wx/x11/dc.h"
 #elif defined(__WXMGL__)
     #include "wx/mgl/dc.h"
 #elif defined(__WXX11__)
     #include "wx/x11/dc.h"
 #elif defined(__WXMGL__)
     #include "wx/mgl/dc.h"

+#elif defined(__WXDFB__)
+    #include "wx/dfb/dc.h"

 #elif defined(__WXMAC__)
     #include "wx/mac/dc.h"
 #elif defined(__WXCOCOA__)
 #elif defined(__WXMAC__)
     #include "wx/mac/dc.h"
 #elif defined(__WXCOCOA__)


@@ -801,6 +863,10 @@ private:
     #include "wx/os2/dc.h"
 #endif
 
     #include "wx/os2/dc.h"
 #endif
 

+#if wxUSE_GRAPHICS_CONTEXT
+    #include "wx/dcgraph.h"
+#endif
+

 // ----------------------------------------------------------------------------
 // helper class: you can use it to temporarily change the DC text colour and
 // restore it automatically when the object goes out of scope
 // ----------------------------------------------------------------------------
 // helper class: you can use it to temporarily change the DC text colour and
 // restore it automatically when the object goes out of scope


@@ -811,6 +877,11 @@ class WXDLLEXPORT wxDCTextColourChanger
 public:
     wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
 
 public:
     wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { }
 

+    wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc)
+    {
+        Set(col);
+    }
+

     ~wxDCTextColourChanger()
     {
         if ( m_colFgOld.Ok() )
     ~wxDCTextColourChanger()
     {
         if ( m_colFgOld.Ok() )


@@ -832,6 +903,60 @@ private:
     DECLARE_NO_COPY_CLASS(wxDCTextColourChanger)
 };
 
     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:
+    wxDC& m_dc;
+
+    wxPen m_penOld;
+
+    DECLARE_NO_COPY_CLASS(wxDCPenChanger)
+};
+
+// ----------------------------------------------------------------------------
+// helper class: you can use it to temporarily change the DC brush and
+// restore it automatically when the object goes out of scope
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDCBrushChanger
+{
+public:
+    wxDCBrushChanger(wxDC& dc, const wxBrush& brush) : m_dc(dc), m_brushOld(dc.GetBrush())
+    {
+        m_dc.SetBrush(brush);
+    }
+
+    ~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
 // ----------------------------------------------------------------------------
 // another small helper class: sets the clipping region in its ctor and
 // destroys it in the dtor


@@ -840,6 +965,8 @@ private:
 class WXDLLEXPORT wxDCClipper
 {
 public:
 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)
     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)


@@ -853,5 +980,4 @@ private:
     DECLARE_NO_COPY_CLASS(wxDCClipper)
 };
 
     DECLARE_NO_COPY_CLASS(wxDCClipper)
 };
 

-#endif
-    // _WX_DC_H_BASE_
+#endif // _WX_DC_H_BASE_