include/wx/generic/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/colour.h
   3 // Purpose:     wxColour class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GENERIC_COLOUR_H_
  13 #define _WX_GENERIC_COLOUR_H_
  14
  15 #include "wx/object.h"
  16
  17 // Colour
  18 class WXDLLEXPORT wxColour: public wxColourBase
  19 {
  20 public:
  21     // constructors
  22     // ------------
  23     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  24
  25     // copy ctors and assignment operators
  26     wxColour(const wxColour& col)
  27     {
  28         *this = col;
  29     }
  30
  31     wxColour& operator=(const wxColour& col);
  32
  33     // accessors
  34     virtual bool IsOk() const { return m_isInit; }
  35
  36     unsigned char Red() const { return m_red; }
  37     unsigned char Green() const { return m_green; }
  38     unsigned char Blue() const { return m_blue; }
  39     unsigned char Alpha() const { return m_alpha; }
  40
  41     // comparison
  42     bool operator==(const wxColour& colour) const
  43     {
  44         return (m_red == colour.m_red &&
  45                 m_green == colour.m_green &&
  46                 m_blue == colour.m_blue &&
  47                 m_alpha == colour.m_alpha &&
  48                 m_isInit == colour.m_isInit);
  49     }
  50
  51     bool operator!=(const wxColour& colour) const { return !(*this == colour); }
  52
  53 protected:
  54
  55     // Helper function
  56     void Init();
  57
  58     virtual void
  59     InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
  60
  61 private:
  62     bool m_isInit;
  63     unsigned char m_red;
  64     unsigned char m_blue;
  65     unsigned char m_green;
  66     unsigned char m_alpha;
  67
  68 private:
  69     DECLARE_DYNAMIC_CLASS(wxColour)
  70 };
  71
  72 #endif // _WX_GENERIC_COLOUR_H_