Pass the config object into the wxHtmlHelpFrame so it has the config

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

diff --git a/include/wx/dc.h b/include/wx/dc.h
index a95bd99da478c6726a1df9550107e98762e72d78..a5784f471ccc4528f8c8b64f90846762d4e42198 100644 (file)
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     wxDC class
 // Author:      Vadim Zeitlin
 // Modified by:
 // Purpose:     wxDC class
 // Author:      Vadim Zeitlin
 // Modified by:


@@ -18,6 +18,7 @@
 
 #include "wx/object.h"          // the base class
 
 
 #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"


@@ -93,8 +94,6 @@ protected:
 // global variables
 // ---------------------------------------------------------------------------
 
 // global variables
 // ---------------------------------------------------------------------------
 

-extern WXDLLEXPORT_DATA(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
 // ---------------------------------------------------------------------------


@@ -134,10 +133,7 @@ public:
         ResetClipping();
     }
 
         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


@@ -365,6 +383,12 @@ public:
     virtual void StartPage() { }
     virtual void EndPage() { }
 
     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
     // ------------------------------
 


@@ -475,25 +499,26 @@ 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 and setters
     // ---------------------
 
 
     // accessors and setters
     // ---------------------
 

-    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; }
+    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; }

 
 

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


@@ -530,7 +555,7 @@ public:
 
     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;
 
 #if WXWIN_COMPATIBILITY_2_4
     virtual void SetLogicalFunction(int function) = 0;
 
 #if WXWIN_COMPATIBILITY_2_4


@@ -627,22 +652,31 @@ public:
         if (h) *h = hh;
     }
 
         if (h) *h = hh;
     }
 

-    // Reserved for future use
-    virtual void ReservedDCFunc1() {}
-    virtual void ReservedDCFunc2() {}
-    virtual void ReservedDCFunc3() {}
-    virtual void ReservedDCFunc4() {}
-    virtual void ReservedDCFunc5() {}
-    virtual void ReservedDCFunc6() {}
-    virtual void ReservedDCFunc7() {}
-    virtual void ReservedDCFunc8() {}
-    virtual void ReservedDCFunc9() {}
+    // 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;


@@ -812,6 +846,8 @@ private:
     #include "wx/x11/dc.h"
 #elif defined(__WXMGL__)
     #include "wx/mgl/dc.h"
     #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__)


@@ -820,6 +856,10 @@ 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


@@ -851,6 +891,60 @@ 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


@@ -859,6 +953,8 @@ 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)


@@ -872,5 +968,72 @@ private:
     DECLARE_NO_COPY_CLASS(wxDCClipper)
 };
 
     DECLARE_NO_COPY_CLASS(wxDCClipper)
 };
 

-#endif
-    // _WX_DC_H_BASE_
+// ----------------------------------------------------------------------------
+// creates an overlay over an existing window, allowing for manipulations like
+// rubberbanding etc. this API is not stable yet, not to be used outside wx
+// internal code
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxOverlayImpl;
+class WXDLLEXPORT wxWindowDC;
+
+class WXDLLEXPORT wxOverlay
+{
+public:
+    wxOverlay();
+    ~wxOverlay();
+
+    // clears the overlay without restoring the former state
+    // to be done eg when the window content has been changed and repainted
+    void Reset();
+
+private:
+    friend class WXDLLEXPORT wxDCOverlay;
+
+    // returns true if it has been setup
+    bool IsOk();
+
+    void Init(wxWindowDC* dc, int x , int y , int width , int height);
+
+    void BeginDrawing(wxWindowDC* dc);
+
+    void EndDrawing(wxWindowDC* dc);
+
+    void Clear(wxWindowDC* dc);
+
+    wxOverlayImpl* m_impl;
+
+    bool m_inDrawing;
+
+
+    DECLARE_NO_COPY_CLASS(wxOverlay)
+};
+
+class WXDLLEXPORT wxDCOverlay
+{
+public:
+    // connects this overlay to the corresponding drawing dc, if the overlay is not initialized yet
+    // this call will do so
+    wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height);
+
+    // convenience wrapper that behaves the same using the entire area of the dc
+    wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc);
+
+    // removes the connection between the overlay and the dc
+    virtual ~wxDCOverlay();
+
+    // clears the layer, restoring the state at the last init
+    void Clear();
+
+private:
+    void Init(wxWindowDC *dc, int x , int y , int width , int height);
+
+    wxOverlay& m_overlay;
+
+    wxWindowDC* m_dc;
+
+
+    DECLARE_NO_COPY_CLASS(wxDCOverlay)
+};
+
+#endif // _WX_DC_H_BASE_