include/wx/osx/carbon/region.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/carbon/region.h
   3 // Purpose:     wxRegion class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MAC_CARBON_REGION_H_
  13 #define _WX_MAC_CARBON_REGION_H_
  14
  15 #include "wx/list.h"
  16
  17 class WXDLLIMPEXP_CORE wxRegion : public wxRegionWithCombine
  18 {
  19 public:
  20     wxRegion(long x, long y, long w, long h);
  21     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
  22     wxRegion(const wxRect& rect);
  23     wxRegion( WXHRGN hRegion );
  24     wxRegion(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
  25     wxRegion();
  26     wxRegion(const wxBitmap& bmp)
  27     {
  28         Union(bmp);
  29     }
  30     wxRegion(const wxBitmap& bmp,
  31              const wxColour& transColour, int tolerance = 0)
  32     {
  33         Union(bmp, transColour, tolerance);
  34     }
  35
  36     virtual ~wxRegion();
  37
  38     // wxRegionBase methods
  39     virtual void Clear();
  40     virtual bool IsEmpty() const;
  41
  42     // Internal
  43     WXHRGN GetWXHRGN() const ;
  44
  45 protected:
  46     virtual wxGDIRefData *CreateGDIRefData() const;
  47     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
  48
  49     virtual bool DoIsEqual(const wxRegion& region) const;
  50     virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
  51     virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
  52     virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
  53
  54     virtual bool DoOffset(wxCoord x, wxCoord y);
  55     virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
  56
  57 private:
  58     DECLARE_DYNAMIC_CLASS(wxRegion)
  59     friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
  60 };
  61
  62 class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
  63 {
  64 public:
  65     wxRegionIterator();
  66     wxRegionIterator(const wxRegion& region);
  67     wxRegionIterator(const wxRegionIterator& iterator);
  68     virtual ~wxRegionIterator();
  69
  70     wxRegionIterator& operator=(const wxRegionIterator& iterator);
  71
  72     void Reset() { m_current = 0; }
  73     void Reset(const wxRegion& region);
  74
  75     operator bool () const { return m_current < m_numRects; }
  76     bool HaveRects() const { return m_current < m_numRects; }
  77
  78     wxRegionIterator& operator++();
  79     wxRegionIterator operator++(int);
  80
  81     long GetX() const;
  82     long GetY() const;
  83     long GetW() const;
  84     long GetWidth() const { return GetW(); }
  85     long GetH() const;
  86     long GetHeight() const { return GetH(); }
  87     wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
  88
  89 private:
  90     void SetRects(long numRects, wxRect *rects);
  91
  92     long     m_current;
  93     long     m_numRects;
  94     wxRegion m_region;
  95     wxRect*  m_rects;
  96
  97     DECLARE_DYNAMIC_CLASS(wxRegionIterator)
  98 };
  99
 100 #endif // _WX_MAC_CARBON_REGION_H_