enum wxRegionContain
{
- wxOutRegion = 0,
- wxPartRegion = 1,
+ wxOutRegion = 0,
+ wxPartRegion = 1,
wxInRegion = 2
};
// So far, for internal use only
-enum wxRegionOp
+enum wxRegionOp
{
wxRGN_AND, // Creates the intersection of the two combined regions.
wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1.
wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
};
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// wxRegion
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
class wxRegion : public wxGDIObject
{
public:
- wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h );
- wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
- wxRegion( const wxRect& rect );
- wxRegion();
+ wxRegion() { }
+
+ wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
+ {
+ InitRect(x, y, w, h);
+ }
+
+ wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
+ {
+ InitRect(topLeft.x, topLeft.y,
+ bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
+ }
+
+ wxRegion( const wxRect& rect )
+ {
+ InitRect(rect.x, rect.y, rect.width, rect.height);
+ }
+
+ wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
~wxRegion();
- inline wxRegion( const wxRegion& r ): wxGDIObject()
- { Ref(r); }
- inline wxRegion& operator = ( const wxRegion& r )
- { Ref(r); return (*this); }
+ wxRegion( const wxRegion& region ) { Ref(region); }
+ wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; }
+
+ bool Ok() const { return m_refData != NULL; }
bool operator == ( const wxRegion& region );
- bool operator != ( const wxRegion& region );
+ bool operator != ( const wxRegion& region ) { return !(*this == region); }
void Clear();
+ bool Offset( wxCoord x, wxCoord y );
+
bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
bool Union( const wxRect& rect );
bool Union( const wxRegion& region );
wxRegionContain Contains(const wxRect& rect) const;
public:
- wxList *GetRectList() const;
GdkRegion *GetRegion() const;
+
+protected:
+ // ref counting code
+ virtual wxObjectRefData *CreateRefData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+ // common part of ctors for a rectangle region
+ void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
+
private:
- DECLARE_DYNAMIC_CLASS(wxRegion);
+ DECLARE_DYNAMIC_CLASS(wxRegion);
};
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------
+
class wxRegionIterator: public wxObject
{
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:
size_t m_current;