X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/45a2f9494e436ff6c86a366c52ec2e495a49e30b..5482ee0766d86c79f82733780d5d4833070bf064:/include/wx/dc.h

diff --git a/include/wx/dc.h b/include/wx/dc.h
index 9d467f85ab..0b74388dff 100644
--- 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:
@@ -12,10 +12,6 @@
 #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
 // ----------------------------------------------------------------------------
@@ -97,8 +93,6 @@ protected:
 // global variables
 // ---------------------------------------------------------------------------
 
-extern WXDLLEXPORT_DATA(int) wxPageNumber;
-
 // ---------------------------------------------------------------------------
 // wxDC is the device context - object on which any drawing is done
 // ---------------------------------------------------------------------------
@@ -138,10 +132,12 @@ public:
         ResetClipping();
     }
 
-    ~wxDCBase() { }
+    virtual ~wxDCBase() { }
 
-    virtual void BeginDrawing() { }
-    virtual void EndDrawing() { }
+#if WXWIN_COMPATIBILITY_2_6
+    wxDEPRECATED( virtual void BeginDrawing() );
+    wxDEPRECATED( virtual void EndDrawing() );
+#endif // WXWIN_COMPATIBILITY_2_6
 
     // graphic primitives
     // ------------------
@@ -160,6 +156,28 @@ public:
                    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
@@ -479,7 +497,8 @@ public:
     // 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
     // ---------------------
@@ -631,22 +650,21 @@ public:
         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() {}
-
 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;
@@ -808,12 +826,16 @@ private:
     #include "wx/msw/dc.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/dc.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)
     #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(__WXDFB__)
+    #include "wx/dfb/dc.h"
 #elif defined(__WXMAC__)
     #include "wx/mac/dc.h"
 #elif defined(__WXCOCOA__)
@@ -853,6 +875,60 @@ private:
     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
@@ -861,6 +937,8 @@ private:
 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)