include/wx/mac/carbon/region.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 WXDLLEXPORT 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, int 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     const WXHRGN GetWXHRGN() const ;
  44
  45 protected:
  46     virtual bool DoIsEqual(const wxRegion& region) const;
  47     virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
  48     virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
  49     virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
  50
  51     virtual bool DoOffset(wxCoord x, wxCoord y);
  52     virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
  53
  54 private:
  55     DECLARE_DYNAMIC_CLASS(wxRegion)
  56     friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
  57 };
  58
  59 class WXDLLEXPORT wxRegionIterator : public wxObject
  60 {
  61 public:
  62     wxRegionIterator();
  63     wxRegionIterator(const wxRegion& region);
  64     wxRegionIterator(const wxRegionIterator& iterator);
  65     virtual ~wxRegionIterator();
  66
  67     wxRegionIterator& operator=(const wxRegionIterator& iterator);
  68
  69     void Reset() { m_current = 0; }
  70     void Reset(const wxRegion& region);
  71
  72     operator bool () const { return m_current < m_numRects; }
  73     bool HaveRects() const { return m_current < m_numRects; }
  74
  75     wxRegionIterator& operator++();
  76     wxRegionIterator operator++(int);
  77
  78     long GetX() const;
  79     long GetY() const;
  80     long GetW() const;
  81     long GetWidth() const { return GetW(); }
  82     long GetH() const;
  83     long GetHeight() const { return GetH(); }
  84     wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
  85
  86 private:
  87     void SetRects(long numRects, wxRect *rects);
  88
  89     long     m_current;
  90     long     m_numRects;
  91     wxRegion m_region;
  92     wxRect*  m_rects;
  93
  94     DECLARE_DYNAMIC_CLASS(wxRegionIterator)
  95 };
  96
  97 #endif // _WX_MAC_CARBON_REGION_H_