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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/x11/region.h
	3	// Purpose: wxRegion class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 17/09/98
	7	// Copyright: (c) Julian Smart, Robert Roebling
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	#ifndef _WX_REGION_H_
	12	#define _WX_REGION_H_
	13
	14	#include "wx/list.h"
	15
	16	// ----------------------------------------------------------------------------
	17	// wxRegion
	18	// ----------------------------------------------------------------------------
	19
	20	class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
	21	{
	22	public:
	23	wxRegion() { }
	24
	25	wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
	26	{
	27	InitRect(x, y, w, h);
	28	}
	29
	30	wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
	31	{
	32	InitRect(topLeft.x, topLeft.y,
	33	bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
	34	}
	35
	36	wxRegion( const wxRect& rect )
	37	{
	38	InitRect(rect.x, rect.y, rect.width, rect.height);
	39	}
	40
	41	wxRegion( size_t n, const wxPoint *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
	42
	43	wxRegion( const wxBitmap& bmp)
	44	{
	45	Union(bmp);
	46	}
	47	wxRegion( const wxBitmap& bmp,
	48	const wxColour& transColour, int tolerance = 0)
	49	{
	50	Union(bmp, transColour, tolerance);
	51	}
	52
	53	virtual ~wxRegion();
	54
	55	// wxRegionBase methods
	56	virtual void Clear();
	57	virtual bool IsEmpty() const;
	58
	59	public:
	60	WXRegion *GetX11Region() const;
	61
	62	protected:
	63	virtual wxGDIRefData *CreateGDIRefData() const;
	64	virtual wxGDIRefData CloneGDIRefData(const wxGDIRefData data) const;
	65
	66	// wxRegionBase pure virtuals
	67	virtual bool DoIsEqual(const wxRegion& region) const;
	68	virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
	69	virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
	70	virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
	71
	72	virtual bool DoOffset(wxCoord x, wxCoord y);
	73	virtual bool DoUnionWithRect(const wxRect& rect);
	74	virtual bool DoUnionWithRegion(const wxRegion& region);
	75	virtual bool DoIntersect(const wxRegion& region);
	76	virtual bool DoSubtract(const wxRegion& region);
	77	virtual bool DoXor(const wxRegion& region);
	78
	79	// common part of ctors for a rectangle region
	80	void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
	81
	82	private:
	83	DECLARE_DYNAMIC_CLASS(wxRegion)
	84	};
	85
	86	// ----------------------------------------------------------------------------
	87	// wxRegionIterator: decomposes a region into rectangles
	88	// ----------------------------------------------------------------------------
	89
	90	class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject
	91	{
	92	public:
	93	wxRegionIterator();
	94	wxRegionIterator(const wxRegion& region);
	95
	96	void Reset() { m_current = 0u; }
	97	void Reset(const wxRegion& region);
	98
	99	operator bool () const;
	100	bool HaveRects() const;
	101
	102	void operator ++ ();
	103	void operator ++ (int);
	104
	105	wxCoord GetX() const;
	106	wxCoord GetY() const;
	107	wxCoord GetW() const;
	108	wxCoord GetWidth() const { return GetW(); }
	109	wxCoord GetH() const;
	110	wxCoord GetHeight() const { return GetH(); }
	111	wxRect GetRect() const;
	112
	113	private:
	114	size_t m_current;
	115	wxRegion m_region;
	116
	117	private:
	118	DECLARE_DYNAMIC_CLASS(wxRegionIterator)
	119	};
	120
	121	#endif
	122	// _WX_REGION_H_