b02da6b187
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4315 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: region.h
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// Purpose:
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __REGIONH__
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#define __REGIONH__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "wx/list.h"
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#include "wx/gdiobj.h"
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#include "wx/gdicmn.h"
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//-----------------------------------------------------------------------------
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// classes
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//-----------------------------------------------------------------------------
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class wxRegion;
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//-----------------------------------------------------------------------------
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// constants
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//-----------------------------------------------------------------------------
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enum wxRegionContain
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{
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wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
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};
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// So far, for internal use only
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enum wxRegionOp {
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wxRGN_AND, // Creates the intersection of the two combined regions.
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wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1.
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wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
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wxRGN_OR, // Creates the union of two combined regions.
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wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
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};
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//-----------------------------------------------------------------------------
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// wxRegion
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//-----------------------------------------------------------------------------
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class wxRegion : public wxGDIObject
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{
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DECLARE_DYNAMIC_CLASS(wxRegion);
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public:
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wxRegion( long x, long y, long w, long 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();
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~wxRegion();
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inline wxRegion( const wxRegion& r ): wxGDIObject()
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{ Ref(r); }
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inline wxRegion& operator = ( const wxRegion& r )
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{ Ref(r); return (*this); }
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bool operator == ( const wxRegion& region );
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bool operator != ( const wxRegion& region );
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void Clear();
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bool Union( long x, long y, long width, long height );
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bool Union( const wxRect& rect );
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bool Union( const wxRegion& region );
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bool Intersect( long x, long y, long width, long height );
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bool Intersect( const wxRect& rect );
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bool Intersect( const wxRegion& region );
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bool Subtract( long x, long y, long width, long height );
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bool Subtract( const wxRect& rect );
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bool Subtract( const wxRegion& region );
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bool Xor( long x, long y, long width, long height );
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bool Xor( const wxRect& rect );
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bool Xor( const wxRegion& region );
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void GetBox( long& x, long& y, long&w, long &h ) const;
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wxRect GetBox() const ;
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bool Empty() const;
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bool IsEmpty() const { return Empty(); }
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wxRegionContain Contains( long x, long y ) const;
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wxRegionContain Contains( long x, long y, long w, long h ) const;
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wxRegionContain Contains(const wxPoint& pt) const;
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wxRegionContain Contains(const wxRect& rect) const;
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public:
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wxList *GetRectList() const;
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GdkRegion *GetRegion() const;
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};
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class 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);
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void Reset() { m_current = 0; }
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void Reset(const wxRegion& region);
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operator bool () const;
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bool HaveRects() const;
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void operator ++ ();
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void operator ++ (int);
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wxCoord GetX() const;
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wxCoord GetY() const;
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wxCoord GetW() const;
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wxCoord GetWidth() const { return GetW(); }
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wxCoord GetH() const;
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wxCoord GetHeight() const { return GetH(); }
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wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
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private:
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long m_current;
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wxRegion m_region;
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private:
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DECLARE_DYNAMIC_CLASS(wxRegionIterator);
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};
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#endif
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// __REGIONH__
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