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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 WXDLLIMPEXP_CORE 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, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
	24	#if wxUSE_IMAGE
	25	wxRegion( const wxBitmap& bmp)
	26	{
	27	Union(bmp);
	28	}
	29	wxRegion( const wxBitmap& bmp,
	30	const wxColour& transColour, int tolerance = 0)
	31	{
	32	Union(bmp, transColour, tolerance);
	33	}
	34	#endif // wxUSE_IMAGE
	35
	36	virtual ~wxRegion();
	37
	38	// wxRegionBase methods
	39	virtual void Clear();
	40	virtual bool IsEmpty() const;
	41
	42	// Get internal region handle
	43	WXHRGN GetHRGN() const;
	44
	45	protected:
	46	virtual wxGDIRefData *CreateGDIRefData() const;
	47	virtual wxGDIRefData CloneGDIRefData(const wxGDIRefData data) const;
	48
	49	virtual bool DoIsEqual(const wxRegion& region) const;
	50	virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
	51	virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
	52	virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
	53
	54	virtual bool DoOffset(wxCoord x, wxCoord y);
	55	virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
	56
	57	friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
	58
	59	DECLARE_DYNAMIC_CLASS(wxRegion)
	60	};
	61
	62	class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
	63	{
	64	public:
	65	wxRegionIterator() { Init(); }
	66	wxRegionIterator(const wxRegion& region);
	67	wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
	68
	69	wxRegionIterator& operator=(const wxRegionIterator& ri);
	70
	71	virtual ~wxRegionIterator();
	72
	73	void Reset() { m_current = 0; }
	74	void Reset(const wxRegion& region);
	75
	76	bool HaveRects() const { return (m_current < m_numRects); }
	77
	78	operator bool () const { return HaveRects(); }
	79
	80	wxRegionIterator& operator++();
	81	wxRegionIterator operator++(int);
	82
	83	wxCoord GetX() const;
	84	wxCoord GetY() const;
	85	wxCoord GetW() const;
	86	wxCoord GetWidth() const { return GetW(); }
	87	wxCoord GetH() const;
	88	wxCoord GetHeight() const { return GetH(); }
	89
	90	wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
	91
	92	private:
	93	// common part of all ctors
	94	void Init();
	95
	96	long m_current;
	97	long m_numRects;
	98	wxRegion m_region;
	99	wxRect* m_rects;
	100
	101	DECLARE_DYNAMIC_CLASS(wxRegionIterator)
	102	};
	103
	104	#endif // _WX_MSW_REGION_H_