test whether pointer is non-NULL before using it, not after, in wxAnimation::Load...

[wxWidgets.git] / include / wx / generic / region.h

diff --git a/include/wx/generic/region.h b/include/wx/generic/region.h
index a4fc63a5bdcd0eb9c86c31b81539ad5d3e16aed9..ea6830e1672e9e03e53ebcb4d5965a7936a1488c 100644 (file)
--- a/include/wx/generic/region.h
+++ b/include/wx/generic/region.h
@@ -12,97 +12,46 @@
 #ifndef _WX_GENERIC_REGION_H__
 #define _WX_GENERIC_REGION_H__
 
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"
-
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;
-
-enum wxRegionContain
-{   wxOutRegion = 0
-,   wxPartRegion = 1
-,   wxInRegion = 2
-};
-
-class WXDLLEXPORT wxRegionGeneric : public wxGDIObject
+class WXDLLEXPORT wxRegionGeneric : public wxRegionBase
 {
-//    DECLARE_DYNAMIC_CLASS(wxRegionGeneric);
-    friend class WXDLLEXPORT wxRegionIteratorGeneric;
 public:
     wxRegionGeneric(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
     wxRegionGeneric(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegionGeneric(const wxRect& rect);
     wxRegionGeneric();
-    ~wxRegionGeneric();
-
-    bool Ok() const { return m_refData != NULL; }
-
-    bool operator == ( const wxRegionGeneric& region ) const;
-    bool operator != ( const wxRegionGeneric& region ) const { return !(*this == region); }
-
-    //# Modify region
-    // Clear current region
-    void Clear();
-
-    // Move the region
-    bool Offset(wxCoord x, wxCoord y);
-
-    // Union rectangle or region with this.
-    bool Union(long x, long y, long width, long height)
-    {   return Union(wxRect(x,y,width,height)); }
-    bool Union(const wxRect& rect);
-    bool Union(const wxRegionGeneric& region);
+    virtual ~wxRegionGeneric();
 
-    // Intersect rectangle or region with this.
-    bool Intersect(long x, long y, long width, long height)
-    {   return Intersect(wxRect(x,y,width,height)); }
-    bool Intersect(const wxRect& rect);
-    bool Intersect(const wxRegionGeneric& region);
-
-    // Subtract rectangle or region from this:
-    // Combines the parts of 'this' that are not part of the second region.
-    bool Subtract(long x, long y, long width, long height)
-    {   return Subtract(wxRect(x,y,width,height)); }
-    bool Subtract(const wxRect& rect);
-    bool Subtract(const wxRegionGeneric& region);
-
-    // XOR: the union of two combined regions except for any overlapping areas.
-    bool Xor(long x, long y, long width, long height);
-    bool Xor(const wxRect& rect);
-    bool Xor(const wxRegionGeneric& region);
-
-    //# Information on region
-    // Outer bounds of region
-    void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
-    wxRect GetBox() const;
-
-    // Is region empty?
-    bool Empty() const;
-    inline bool IsEmpty() const { return Empty(); }
-
-    //# Tests
-    // Does the region contain the point (x,y)?
-    wxRegionContain Contains(long x, long y) const;
-    // Does the region contain the point pt?
-    wxRegionContain Contains(const wxPoint& pt) const;
-    // Does the region contain the rectangle (x, y, w, h)?
-    wxRegionContain Contains(long x, long y, long w, long h) const;
-    // Does the region contain the rectangle rect?
-    wxRegionContain Contains(const wxRect& rect) const;
+    // wxRegionBase pure virtuals
+    virtual void Clear();
+    virtual bool IsEmpty() const;
 
 protected:
     virtual wxObjectRefData *CreateRefData() const;
     virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
+    // wxRegionBase pure virtuals
+    virtual bool DoIsEqual(const wxRegion& region) const;
+    virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
+    virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
+    virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
+
+    virtual bool DoOffset(wxCoord x, wxCoord y);
+    virtual bool DoUnionWithRect(const wxRect& rect);
+    virtual bool DoUnionWithRegion(const wxRegion& region);
+    virtual bool DoIntersect(const wxRegion& region);
+    virtual bool DoSubtract(const wxRegion& region);
+    virtual bool DoXor(const wxRegion& region);
+
+    friend class WXDLLEXPORT wxRegionIteratorGeneric;
 };
 
 class WXDLLEXPORT wxRegionIteratorGeneric : public wxObject
 {
-//    DECLARE_DYNAMIC_CLASS(wxRegionIteratorGeneric);
 public:
     wxRegionIteratorGeneric();
     wxRegionIteratorGeneric(const wxRegionGeneric& region);
     wxRegionIteratorGeneric(const wxRegionIteratorGeneric& iterator);
-    ~wxRegionIteratorGeneric();
+    virtual ~wxRegionIteratorGeneric();
 
     wxRegionIteratorGeneric& operator=(const wxRegionIteratorGeneric& iterator);
 
@@ -127,4 +76,4 @@ private:
     wxRegionGeneric m_region;
 };
 
-#endif //ndef _WX_GENERIC_REGION_H__
+#endif // _WX_GENERIC_REGION_H__