include/wx/msw/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/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_COLOUR_H_
  13 #define _WX_COLOUR_H_
  14
  15 #include "wx/object.h"
  16
  17 // ----------------------------------------------------------------------------
  18 // Colour
  19 // ----------------------------------------------------------------------------
  20
  21 class WXDLLIMPEXP_CORE wxColour : public wxColourBase
  22 {
  23 public:
  24     // constructors
  25     // ------------
  26     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  27
  28     // accessors
  29     // ---------
  30
  31     virtual bool IsOk() const { return m_isInit; }
  32
  33     unsigned char Red() const { return m_red; }
  34     unsigned char Green() const { return m_green; }
  35     unsigned char Blue() const { return m_blue; }
  36     unsigned char Alpha() const { return m_alpha ; }
  37
  38     // comparison
  39     bool operator==(const wxColour& colour) const
  40     {
  41         return m_isInit == colour.m_isInit
  42             && m_red == colour.m_red
  43             && m_green == colour.m_green
  44             && m_blue == colour.m_blue
  45             && m_alpha == colour.m_alpha;
  46     }
  47
  48     bool operator!=(const wxColour& colour) const { return !(*this == colour); }
  49
  50     WXCOLORREF GetPixel() const { return m_pixel; }
  51
  52 public:
  53     WXCOLORREF m_pixel;
  54
  55 protected:
  56     // Helper function
  57     void Init();
  58
  59     virtual void
  60     InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
  61
  62 private:
  63     bool          m_isInit;
  64     unsigned char m_red;
  65     unsigned char m_blue;
  66     unsigned char m_green;
  67     unsigned char m_alpha;
  68
  69 private:
  70     DECLARE_DYNAMIC_CLASS(wxColour)
  71 };
  72
  73 #endif // _WX_COLOUR_H_