96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/dfb/region.h
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// Purpose: wxRegion class
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// Author: Vaclav Slavik
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// Created: 2006-08-08
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// Copyright: (c) 2006 REA Elektronik GmbH
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DFB_REGION_H_
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#define _WX_DFB_REGION_H_
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class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
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{
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public:
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wxRegion();
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wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
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wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
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wxRegion(const wxRect& rect);
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wxRegion(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
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wxRegion(const wxBitmap& bmp)
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{
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Union(bmp);
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}
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wxRegion(const wxBitmap& bmp,
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const wxColour& transColour, int tolerance = 0)
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{
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Union(bmp, transColour, tolerance);
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}
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virtual ~wxRegion();
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// wxRegionBase methods
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virtual void Clear();
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virtual bool IsEmpty() const;
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// NB: implementation detail of DirectFB, should be removed if full
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// (i.e. not rect-only version is implemented) so that all code that
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// assumes region==rect breaks
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wxRect AsRect() const { return GetBox(); }
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protected:
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virtual wxGDIRefData *CreateGDIRefData() const;
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virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
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// wxRegionBase pure virtuals
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virtual bool DoIsEqual(const wxRegion& region) const;
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virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
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virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
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virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
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virtual bool DoOffset(wxCoord x, wxCoord y);
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virtual bool DoUnionWithRect(const wxRect& rect);
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virtual bool DoUnionWithRegion(const wxRegion& region);
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virtual bool DoIntersect(const wxRegion& region);
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virtual bool DoSubtract(const wxRegion& region);
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virtual bool DoXor(const wxRegion& region);
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friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
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wxDECLARE_DYNAMIC_CLASS(wxRegion);
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};
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class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
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{
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public:
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wxRegionIterator() {}
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wxRegionIterator(const wxRegion& region) { Reset(region); }
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void Reset() { m_rect = wxRect(); }
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void Reset(const wxRegion& region);
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bool HaveRects() const { return !m_rect.IsEmpty(); }
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operator bool() const { return HaveRects(); }
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wxRegionIterator& operator++();
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wxRegionIterator operator++(int);
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wxCoord GetX() const { return m_rect.GetX(); }
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wxCoord GetY() const { return m_rect.GetY(); }
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wxCoord GetW() const { return m_rect.GetWidth(); }
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wxCoord GetWidth() const { return GetW(); }
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wxCoord GetH() const { return m_rect.GetHeight(); }
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wxCoord GetHeight() const { return GetH(); }
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wxRect GetRect() const { return m_rect; }
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private:
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wxRect m_rect;
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wxDECLARE_DYNAMIC_CLASS(wxRegionIterator);
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};
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#endif // _WX_DFB_REGION_H_
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