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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/palmos/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_PALMOS_REGION_H_
	13	#define _WX_PALMOS_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, int fillStyle = wxODDEVEN_RULE );
	24
	25	#if wxUSE_IMAGE
	26	wxRegion( const wxBitmap& bmp)
	27	{
	28	Union(bmp);
	29	}
	30	wxRegion( const wxBitmap& bmp,
	31	const wxColour& transColour, int tolerance = 0)
	32	{
	33	Union(bmp, transColour, tolerance);
	34	}
	35	#endif
	36
	37	virtual ~wxRegion();
	38
	39	// wxRegionBase methods
	40	virtual void Clear();
	41	virtual bool IsEmpty() const;
	42
	43	// Get internal region handle
	44	WXHRGN GetHRGN() const;
	45
	46	protected:
	47	virtual wxGDIRefData *CreateGDIRefData() const;
	48	virtual wxGDIRefData CloneGDIRefData(const wxGDIRefData data) const;
	49
	50	virtual bool DoIsEqual(const wxRegion& region) const;
	51	virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
	52	virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
	53	virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
	54
	55	virtual bool DoOffset(wxCoord x, wxCoord y);
	56	virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
	57
	58	friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
	59
	60	DECLARE_DYNAMIC_CLASS(wxRegion)
	61	};
	62
	63	class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
	64	{
	65	public:
	66	wxRegionIterator() { Init(); }
	67	wxRegionIterator(const wxRegion& region);
	68	wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
	69
	70	wxRegionIterator& operator=(const wxRegionIterator& ri);
	71
	72	virtual ~wxRegionIterator();
	73
	74	void Reset() { m_current = 0; }
	75	void Reset(const wxRegion& region);
	76
	77	bool HaveRects() const { return (m_current < m_numRects); }
	78
	79	operator bool () const { return HaveRects(); }
	80
	81	wxRegionIterator& operator++();
	82	wxRegionIterator operator++(int);
	83
	84	wxCoord GetX() const;
	85	wxCoord GetY() const;
	86	wxCoord GetW() const;
	87	wxCoord GetWidth() const { return GetW(); }
	88	wxCoord GetH() const;
	89	wxCoord GetHeight() const { return GetH(); }
	90
	91	wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
	92
	93	private:
	94	// common part of all ctors
	95	void Init();
	96
	97	long m_current;
	98	long m_numRects;
	99	wxRegion m_region;
	100	wxRect* m_rects;
	101
	102	DECLARE_DYNAMIC_CLASS(wxRegionIterator)
	103	};
	104
	105	#endif // _WX_PALMOS_REGION_H_