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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/msw/region.h
	3	// Purpose: wxRegion class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 01/02/97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1997-2002 wxWidgets team
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_MSW_REGION_H_
	13	#define _WX_MSW_REGION_H_
	14
	15	class WXDLLEXPORT wxRegion : public wxRegionWithCombine
	16	{
	17	public:
	18	wxRegion();
	19	wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
	20	wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
	21	wxRegion(const wxRect& rect);
	22	wxRegion(WXHRGN hRegion); // Hangs on to this region
	23	wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
	24	wxRegion( const wxBitmap& bmp)
	25	{
	26	Union(bmp);
	27	}
	28	wxRegion( const wxBitmap& bmp,
	29	const wxColour& transColour, int tolerance = 0)
	30	{
	31	Union(bmp, transColour, tolerance);
	32	}
	33
	34	virtual ~wxRegion();
	35
	36	// wxRegionBase methods
	37	virtual void Clear();
	38	virtual bool IsEmpty() const;
	39
	40	// Get internal region handle
	41	WXHRGN GetHRGN() const;
	42
	43	protected:
	44	virtual wxObjectRefData *CreateRefData() const;
	45	virtual wxObjectRefData CloneRefData(const wxObjectRefData data) const;
	46
	47	virtual bool DoIsEqual(const wxRegion& region) const;
	48	virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
	49	virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
	50	virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
	51
	52	virtual bool DoOffset(wxCoord x, wxCoord y);
	53	virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
	54
	55	friend class WXDLLEXPORT wxRegionIterator;
	56
	57	DECLARE_DYNAMIC_CLASS(wxRegion)
	58	};
	59
	60	class WXDLLEXPORT wxRegionIterator : public wxObject
	61	{
	62	public:
	63	wxRegionIterator() { Init(); }
	64	wxRegionIterator(const wxRegion& region);
	65	wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
	66
	67	wxRegionIterator& operator=(const wxRegionIterator& ri);
	68
	69	virtual ~wxRegionIterator();
	70
	71	void Reset() { m_current = 0; }
	72	void Reset(const wxRegion& region);
	73
	74	bool HaveRects() const { return (m_current < m_numRects); }
	75
	76	operator bool () const { return HaveRects(); }
	77
	78	wxRegionIterator& operator++();
	79	wxRegionIterator operator++(int);
	80
	81	wxCoord GetX() const;
	82	wxCoord GetY() const;
	83	wxCoord GetW() const;
	84	wxCoord GetWidth() const { return GetW(); }
	85	wxCoord GetH() const;
	86	wxCoord GetHeight() const { return GetH(); }
	87
	88	wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
	89
	90	private:
	91	// common part of all ctors
	92	void Init();
	93
	94	long m_current;
	95	long m_numRects;
	96	wxRegion m_region;
	97	wxRect* m_rects;
	98
	99	DECLARE_DYNAMIC_CLASS(wxRegionIterator)
	100	};
	101
	102	#endif // _WX_MSW_REGION_H_