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 WXDLLEXPORT wxColour : public wxColourBase
  22 {
  23 public:
  24     // constructors
  25     // ------------
  26
  27     // default
  28     wxColour() { Init(); }
  29     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  30
  31
  32     // dtor
  33     virtual ~wxColour();
  34
  35
  36     // accessors
  37     // ---------
  38
  39     bool Ok() const { return IsOk(); }
  40     bool IsOk() const { return m_isInit; }
  41
  42     unsigned char Red() const { return m_red; }
  43     unsigned char Green() const { return m_green; }
  44     unsigned char Blue() const { return m_blue; }
  45     unsigned char Alpha() const { return m_alpha ; }
  46
  47     // comparison
  48     bool operator==(const wxColour& colour) const
  49     {
  50         return m_isInit == colour.m_isInit
  51             && m_red == colour.m_red
  52             && m_green == colour.m_green
  53             && m_blue == colour.m_blue
  54             && m_alpha == colour.m_alpha;
  55     }
  56
  57     bool operator != (const wxColour& colour) const { return !(*this == colour); }
  58
  59     WXCOLORREF GetPixel() const { return m_pixel; }
  60
  61
  62 public:
  63     WXCOLORREF m_pixel;
  64
  65 protected:
  66     // Helper function
  67     void Init();
  68
  69     virtual void
  70     InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
  71
  72 private:
  73     bool          m_isInit;
  74     unsigned char m_red;
  75     unsigned char m_blue;
  76     unsigned char m_green;
  77     unsigned char m_alpha;
  78
  79 private:
  80     DECLARE_DYNAMIC_CLASS(wxColour)
  81 };
  82
  83 #endif
  84         // _WX_COLOUR_H_