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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk/region.h
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 #ifndef _WX_GTK_REGION_H_
11 #define _WX_GTK_REGION_H_
18 #include "wx/gdiobj.h"
19 #include "wx/gdicmn.h"
21 //-----------------------------------------------------------------------------
23 //-----------------------------------------------------------------------------
27 //-----------------------------------------------------------------------------
29 //-----------------------------------------------------------------------------
33 wxOutRegion
= 0, wxPartRegion
= 1, wxInRegion
= 2
36 // So far, for internal use only
38 wxRGN_AND
, // Creates the intersection of the two combined regions.
39 wxRGN_COPY
, // Creates a copy of the region identified by hrgnSrc1.
40 wxRGN_DIFF
, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
41 wxRGN_OR
, // Creates the union of two combined regions.
42 wxRGN_XOR
// Creates the union of two combined regions except for any overlapping areas.
45 //-----------------------------------------------------------------------------
47 //-----------------------------------------------------------------------------
49 class wxRegion
: public wxGDIObject
51 DECLARE_DYNAMIC_CLASS(wxRegion
);
55 wxRegion( wxCoord x
, wxCoord y
, wxCoord w
, wxCoord h
);
56 wxRegion( const wxPoint
& topLeft
, const wxPoint
& bottomRight
);
57 wxRegion( const wxRect
& rect
);
61 inline wxRegion( const wxRegion
& r
): wxGDIObject()
63 inline wxRegion
& operator = ( const wxRegion
& r
)
64 { Ref(r
); return (*this); }
66 bool operator == ( const wxRegion
& region
);
67 bool operator != ( const wxRegion
& region
);
71 bool Union( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
);
72 bool Union( const wxRect
& rect
);
73 bool Union( const wxRegion
& region
);
75 bool Intersect( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
);
76 bool Intersect( const wxRect
& rect
);
77 bool Intersect( const wxRegion
& region
);
79 bool Subtract( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
);
80 bool Subtract( const wxRect
& rect
);
81 bool Subtract( const wxRegion
& region
);
83 bool Xor( wxCoord x
, wxCoord y
, wxCoord width
, wxCoord height
);
84 bool Xor( const wxRect
& rect
);
85 bool Xor( const wxRegion
& region
);
87 void GetBox( wxCoord
& x
, wxCoord
& y
, wxCoord
&w
, wxCoord
&h
) const;
88 wxRect
GetBox() const ;
91 bool IsEmpty() const { return Empty(); }
93 wxRegionContain
Contains( wxCoord x
, wxCoord y
) const;
94 wxRegionContain
Contains( wxCoord x
, wxCoord y
, wxCoord w
, wxCoord h
) const;
95 wxRegionContain
Contains(const wxPoint
& pt
) const;
96 wxRegionContain
Contains(const wxRect
& rect
) const;
100 wxList
*GetRectList() const;
101 GdkRegion
*GetRegion() const;
104 class wxRegionIterator
: public wxObject
108 wxRegionIterator(const wxRegion
& region
);
110 void Reset() { m_current
= 0; }
111 void Reset(const wxRegion
& region
);
113 operator bool () const;
114 bool HaveRects() const;
117 void operator ++ (int);
119 wxCoord
GetX() const;
120 wxCoord
GetY() const;
121 wxCoord
GetW() const;
122 wxCoord
GetWidth() const { return GetW(); }
123 wxCoord
GetH() const;
124 wxCoord
GetHeight() const { return GetH(); }
125 wxRect
GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
132 DECLARE_DYNAMIC_CLASS(wxRegionIterator
);