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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/region.h
// Purpose: wxRegion class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) 1997-2002 wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_REGION_H_
#define _WX_MSW_REGION_H_
class WXDLLIMPEXP_CORE wxRegion : public wxRegionWithCombine
{
public:
wxRegion();
wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
wxRegion(WXHRGN hRegion); // Hangs on to this region
wxRegion(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
#if wxUSE_IMAGE
wxRegion( const wxBitmap& bmp)
{
Union(bmp);
}
wxRegion( const wxBitmap& bmp,
const wxColour& transColour, int tolerance = 0)
{
Union(bmp, transColour, tolerance);
}
#endif // wxUSE_IMAGE
virtual ~wxRegion();
// wxRegionBase methods
virtual void Clear();
virtual bool IsEmpty() const;
// Get internal region handle
WXHRGN GetHRGN() const;
protected:
virtual wxGDIRefData *CreateGDIRefData() const;
virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
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 DoCombine(const wxRegion& region, wxRegionOp op);
friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
DECLARE_DYNAMIC_CLASS(wxRegion)
};
class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
{
public:
wxRegionIterator() { Init(); }
wxRegionIterator(const wxRegion& region);
wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
wxRegionIterator& operator=(const wxRegionIterator& ri);
virtual ~wxRegionIterator();
void Reset() { m_current = 0; }
void Reset(const wxRegion& region);
bool HaveRects() const { return (m_current < m_numRects); }
operator bool () const { return HaveRects(); }
wxRegionIterator& operator++();
wxRegionIterator operator++(int);
wxCoord GetX() const;
wxCoord GetY() const;
wxCoord GetW() const;
wxCoord GetWidth() const { return GetW(); }
wxCoord GetH() const;
wxCoord GetHeight() const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
private:
// common part of all ctors
void Init();
long m_current;
long m_numRects;
wxRegion m_region;
wxRect* m_rects;
DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};
#endif // _WX_MSW_REGION_H_
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