wxWidgets/include/wx/gtk1/region.h
Robert Roebling 76ed8f8d9c Flicker war won.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1065 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-11-26 16:11:46 +00:00

138 lines
3.8 KiB
C++

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