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() { }
  21     wxRegion(long x, long y, long w, long h);
  22     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
  23     wxRegion(const wxRect& rect);
  24     wxRegion( WXHRGN hRegion );
  25     wxRegion(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
  26 #if wxUSE_IMAGE
  27     wxRegion(const wxBitmap& bmp)
  28     {
  29         Union(bmp);
  30     }
  31     wxRegion(const wxBitmap& bmp,
  32              const wxColour& transColour, int tolerance = 0)
  33     {
  34         Union(bmp, transColour, tolerance);
  35     }
  36 #endif
  37
  38     virtual ~wxRegion();
  39
  40     // wxRegionBase methods
  41     virtual void Clear();
  42     virtual bool IsEmpty() const;
  43
  44     // Internal
  45     WXHRGN GetWXHRGN() const ;
  46
  47 protected:
  48     virtual wxGDIRefData *CreateGDIRefData() const;
  49     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
  50
  51     virtual bool DoIsEqual(const wxRegion& region) const;
  52     virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
  53     virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
  54     virtual wxRegionContain DoContainsRect(const wxRect& rect) const;
  55
  56     virtual bool DoOffset(wxCoord x, wxCoord y);
  57     virtual bool DoCombine(const wxRegion& region, wxRegionOp op);
  58     virtual bool DoUnionWithRect(const wxRect& rect);
  59
  60 private:
  61     DECLARE_DYNAMIC_CLASS(wxRegion)
  62     friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
  63 };
  64
  65 class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
  66 {
  67 public:
  68     wxRegionIterator();
  69     wxRegionIterator(const wxRegion& region);
  70     wxRegionIterator(const wxRegionIterator& iterator);
  71     virtual ~wxRegionIterator();
  72
  73     wxRegionIterator& operator=(const wxRegionIterator& iterator);
  74
  75     void Reset() { m_current = 0; }
  76     void Reset(const wxRegion& region);
  77
  78     operator bool () const { return m_current < m_numRects; }
  79     bool HaveRects() const { return m_current < m_numRects; }
  80
  81     wxRegionIterator& operator++();
  82     wxRegionIterator operator++(int);
  83
  84     long GetX() const;
  85     long GetY() const;
  86     long GetW() const;
  87     long GetWidth() const { return GetW(); }
  88     long GetH() const;
  89     long GetHeight() const { return GetH(); }
  90     wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
  91
  92 private:
  93     void SetRects(long numRects, wxRect *rects);
  94
  95     long     m_current;
  96     long     m_numRects;
  97     wxRegion m_region;
  98     wxRect*  m_rects;
  99
 100     DECLARE_DYNAMIC_CLASS(wxRegionIterator)
 101 };
 102
 103 #endif // _WX_MAC_CARBON_REGION_H_