X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e516208e3dd9a136c69c00a73d825700b937d32c..f6669958924c3c3833e2932b65598b06073d2e65:/include/wx/dc.h

diff --git a/include/wx/dc.h b/include/wx/dc.h
index 9f32103d85..34f58e2662 100644
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -283,6 +283,8 @@ public:
         return NULL;
     }
 
+    virtual void* GetHandle() const { return NULL; }
+    
     // query dimension, colour deps, resolution
 
     virtual void DoGetSize(int *width, int *height) const = 0;
@@ -431,8 +433,12 @@ public:
 
     // clipping
 
+    // Note that this pure virtual method has an implementation that updates
+    // the values returned by DoGetClippingBox() and so can be called from the
+    // derived class overridden version if it makes sense (i.e. if the clipping
+    // box coordinates are not already updated in some other way).
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
-                                     wxCoord width, wxCoord height) = 0;
+                                     wxCoord w, wxCoord h) = 0;
 
     // NB: this function works with device coordinates, not the logical ones!
     virtual void DoSetDeviceClippingRegion(const wxRegion& region) = 0;
@@ -475,7 +481,7 @@ public:
     }
 
     virtual void SetLogicalScale(double x, double y);
-    virtual void GetLogicalScale(double *x, double *y)
+    virtual void GetLogicalScale(double *x, double *y) const
     {
         if ( x ) *x = m_logicalScaleX;
         if ( y ) *y = m_logicalScaleY;
@@ -787,6 +793,9 @@ public:
     wxWindow *GetWindow() const
         { return m_pimpl->GetWindow(); }
 
+    void *GetHandle() const
+        { return m_pimpl->GetHandle(); }
+
     bool IsOk() const
         { return m_pimpl && m_pimpl->IsOk(); }
 
@@ -1020,7 +1029,7 @@ public:
 
     void SetLogicalScale(double x, double y)
         { m_pimpl->SetLogicalScale( x, y ); }
-    void GetLogicalScale(double *x, double *y)
+    void GetLogicalScale(double *x, double *y) const
         { m_pimpl->GetLogicalScale( x, y ); }
 
     void SetLogicalOrigin(wxCoord x, wxCoord y)