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 #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
  59 private:
  60     DECLARE_DYNAMIC_CLASS(wxRegion)
  61     friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
  62 };
  63
  64 class WXDLLIMPEXP_CORE wxRegionIterator : public wxObject
  65 {
  66 public:
  67     wxRegionIterator();
  68     wxRegionIterator(const wxRegion& region);
  69     wxRegionIterator(const wxRegionIterator& iterator);
  70     virtual ~wxRegionIterator();
  71
  72     wxRegionIterator& operator=(const wxRegionIterator& iterator);
  73
  74     void Reset() { m_current = 0; }
  75     void Reset(const wxRegion& region);
  76
  77     operator bool () const { return m_current < m_numRects; }
  78     bool HaveRects() const { return m_current < m_numRects; }
  79
  80     wxRegionIterator& operator++();
  81     wxRegionIterator operator++(int);
  82
  83     long GetX() const;
  84     long GetY() const;
  85     long GetW() const;
  86     long GetWidth() const { return GetW(); }
  87     long GetH() const;
  88     long GetHeight() const { return GetH(); }
  89     wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
  90
  91 private:
  92     void SetRects(long numRects, wxRect *rects);
  93
  94     long     m_current;
  95     long     m_numRects;
  96     wxRegion m_region;
  97     wxRect*  m_rects;
  98
  99     DECLARE_DYNAMIC_CLASS(wxRegionIterator)
 100 };
 101
 102 #endif // _WX_MAC_CARBON_REGION_H_