include/wx/cocoa/region.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/region.h
   3 // Purpose:     wxRegion class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2004/04/12
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_COCOA_REGION_H__
  13 #define _WX_COCOA_REGION_H__
  14
  15 #include "wx/generic/region.h"
  16
  17 class WXDLLEXPORT wxRegion : public wxRegionGeneric
  18 {
  19     DECLARE_DYNAMIC_CLASS(wxRegion);
  20 public:
  21     wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
  22     :   wxRegionGeneric(x,y,w,h)
  23     {}
  24     wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
  25     :   wxRegionGeneric(topLeft, bottomRight)
  26     {}
  27     wxRegion(const wxRect& rect)
  28     :   wxRegionGeneric(rect)
  29     {}
  30     wxRegion() {}
  31     wxRegion(const wxBitmap& bmp,
  32             const wxColour& transColour = wxNullColour,
  33             int tolerance = 0)
  34     :   wxRegionGeneric()
  35     {
  36         Union(bmp, transColour, tolerance);
  37     }
  38     ~wxRegion() {}
  39     wxRegion(const wxRegion& r)
  40     :   wxRegionGeneric(r)
  41     {}
  42     wxRegion& operator= (const wxRegion& r)
  43     {   return *(wxRegion*)&(this->wxRegionGeneric::operator=(r)); }
  44
  45     // Use the non-transparent pixels of a wxBitmap for the region to combine
  46     // with this region.  If the bitmap has a mask then it will be used,
  47     // otherwise the colour to be treated as transparent may be specified,
  48     // along with an optional tolerance value.
  49     // NOTE: implemented in common/rgncmn.cpp
  50     bool Union(const wxBitmap& bmp,
  51                const wxColour& transColour = wxNullColour,
  52                int   tolerance = 0);
  53     /* And because of function hiding: */
  54     bool Union(long x, long y, long width, long height)
  55     {   return wxRegionGeneric::Union(x,y,width,height); }
  56     bool Union(const wxRect& rect)
  57     {   return wxRegionGeneric::Union(rect); }
  58     bool Union(const wxRegion& region)
  59     {   return wxRegionGeneric::Union(region); }
  60
  61     // Convert the region to a B&W bitmap with the black pixels being inside
  62     // the region.
  63     // NOTE: implemented in common/rgncmn.cpp
  64     wxBitmap ConvertToBitmap() const;
  65
  66 };
  67
  68 class WXDLLEXPORT wxRegionIterator : public wxRegionIteratorGeneric
  69 {
  70 //    DECLARE_DYNAMIC_CLASS(wxRegionIteratorGeneric);
  71 public:
  72     wxRegionIterator() {}
  73     wxRegionIterator(const wxRegion& region)
  74     :   wxRegionIteratorGeneric(region)
  75     {}
  76     wxRegionIterator(const wxRegionIterator& iterator)
  77     :   wxRegionIteratorGeneric(iterator)
  78     {}
  79     ~wxRegionIterator() {}
  80
  81     wxRegionIterator& operator=(const wxRegionIterator& iter)
  82     {   return *(wxRegionIterator*)&(this->wxRegionIteratorGeneric::operator=(iter)); }
  83 };
  84
  85 #endif //ndef _WX_COCOA_REGION_H__