wxWidgets/include/wx/mgl/region.h

104 lines
3.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/mgl/region.h
// Purpose: wxRegion class
// Author: Vaclav Slavik
// Created: 2001/03/12
// RCS-ID: $Id$
// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MGL_REGION_H_
#define _WX_MGL_REGION_H_
#include "wx/list.h"
class MGLRegion;
class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
{
public:
wxRegion();
wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
wxRegion(const MGLRegion& region);
wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
wxRegion(const wxBitmap& bmp)
{
Union(bmp);
}
wxRegion(const wxBitmap& bmp,
const wxColour& transColour, int tolerance = 0)
{
Union(bmp, transColour, tolerance);
}
virtual ~wxRegion();
// wxRegionBase methods
virtual void Clear();
virtual bool IsEmpty() const;
// implementation from now on:
const MGLRegion& GetMGLRegion() const;
protected:
virtual wxGDIRefData *CreateGDIRefData() const;
virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
// wxRegionBase pure virtuals
virtual bool DoIsEqual(const wxRegion& region) const;
virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
virtual bool DoOffset(wxCoord x, wxCoord y);
virtual bool DoUnionWithRect(const wxRect& rect);
virtual bool DoUnionWithRegion(const wxRegion& region);
virtual bool DoIntersect(const wxRegion& region);
virtual bool DoSubtract(const wxRegion& region);
virtual bool DoXor(const wxRegion& region);
private:
DECLARE_DYNAMIC_CLASS(wxRegion);
friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
};
WX_DECLARE_EXPORTED_LIST(wxRect, wxRegionRectList);
class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
{
public:
wxRegionIterator(void);
wxRegionIterator(const wxRegion& region);
virtual ~wxRegionIterator(void);
void Reset(void) { m_currentNode = NULL; }
void Reset(const wxRegion& region);
operator bool (void) const { return (m_currentNode != NULL); }
bool HaveRects(void) const { return (m_currentNode != NULL); }
void operator ++ (void);
void operator ++ (int);
wxCoord GetX(void) const;
wxCoord GetY(void) const;
wxCoord GetW(void) const;
wxCoord GetWidth(void) const { return GetW(); }
wxCoord GetH(void) const;
wxCoord GetHeight(void) const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
private:
wxRegionRectList m_rects;
wxRegionRectList::Node *m_currentNode;
DECLARE_DYNAMIC_CLASS(wxRegionIterator);
};
#endif // _WX_MGL_REGION_H_