X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5fc7ede910768d418a0b436e0046300712304d3b..9806a47c30050b2beeb772f69d4cef4a20dc8745:/include/wx/gtk/region.h?ds=sidebyside

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 457ecbd4dd..5e1a904955 100644
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -30,38 +30,36 @@ class wxRegion;
 
 enum wxRegionContain
 {
-  wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+    wxOutRegion = 0,
+    wxPartRegion = 1,
+    wxInRegion = 2
 };
 
 // So far, for internal use only
-enum wxRegionOp {
-wxRGN_AND,          // Creates the intersection of the two combined regions.
-wxRGN_COPY,         // Creates a copy of the region identified by hrgnSrc1.
-wxRGN_DIFF,         // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
-wxRGN_OR,           // Creates the union of two combined regions.
-wxRGN_XOR           // Creates the union of two combined regions except for any overlapping areas.
+enum wxRegionOp
+{
+   wxRGN_AND,          // Creates the intersection of the two combined regions.
+   wxRGN_COPY,         // Creates a copy of the region identified by hrgnSrc1.
+   wxRGN_DIFF,         // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
+   wxRGN_OR,           // Creates the union of two combined regions.
+   wxRGN_XOR           // Creates the union of two combined regions except for any overlapping areas.
 };
 
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 // wxRegion
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 
 class wxRegion : public wxGDIObject
 {
-  DECLARE_DYNAMIC_CLASS(wxRegion);
-
-  public:
-
+public:
     wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h );
     wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
     wxRegion( const wxRect& rect );
     wxRegion();
-    ~wxRegion();
+    virtual ~wxRegion();
 
-    inline wxRegion( const wxRegion& r ): wxGDIObject()
-      { Ref(r); }
-    inline wxRegion& operator = ( const wxRegion& r )
-      { Ref(r); return (*this); }
+    wxRegion( const wxRegion& r ) { Ref(r); }
+    wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
 
     bool operator == ( const wxRegion& region );
     bool operator != ( const wxRegion& region );
@@ -95,19 +93,32 @@ class wxRegion : public wxGDIObject
     wxRegionContain Contains(const wxPoint& pt) const;
     wxRegionContain Contains(const wxRect& rect) const;
 
-  public:
-
+public:
     wxList    *GetRectList() const;
     GdkRegion *GetRegion() const;
+
+protected:
+    // helper of Intersect()
+    bool IntersectRegionOnly(const wxRegion& reg);
+
+    // call this before modifying the region
+    void Unshare();
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxRegion);
 };
 
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------
+
 class wxRegionIterator: public wxObject
 {
 public:
     wxRegionIterator();
     wxRegionIterator(const wxRegion& region);
 
-    void Reset() { m_current = 0; }
+    void Reset() { m_current = 0u; }
     void Reset(const wxRegion& region);
 
     operator bool () const;
@@ -122,11 +133,11 @@ public:
     wxCoord GetWidth() const { return GetW(); }
     wxCoord GetH() const;
     wxCoord GetHeight() const { return GetH(); }
-    wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
+    wxRect GetRect() const;
 
 private:
-    long       m_current;
-    wxRegion   m_region;
+    size_t   m_current;
+    wxRegion m_region;
 
 private:
     DECLARE_DYNAMIC_CLASS(wxRegionIterator);