include/wx/cocoa/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/colour.h
   3 // Purpose:     wxColour class
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/06/17
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_COCOA_COLOUR_H__
  13 #define __WX_COCOA_COLOUR_H__
  14
  15 #include "wx/object.h"
  16 #include "wx/string.h"
  17
  18 // ========================================================================
  19 // wxColour
  20 // ========================================================================
  21
  22 class WXDLLIMPEXP_CORE wxColour : public wxColourBase
  23 {
  24 public:
  25     // constructors
  26     // ------------
  27     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  28
  29     // initialization using existing NSColor
  30     wxColour( WX_NSColor aColor );
  31
  32     // copy ctors and assignment operators
  33     wxColour( const wxColour& col );
  34     wxColour& operator = ( const wxColour& col );
  35
  36     virtual ~wxColour();
  37
  38     // accessors
  39     virtual bool IsOk() const { return m_cocoaNSColor; }
  40     WX_NSColor GetNSColor() { return m_cocoaNSColor; }
  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_cocoaNSColor == colour.m_cocoaNSColor ||
  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     bool operator != (const wxColour& colour) const
  57         { return !(*this == colour); }
  58
  59     // Set() functions
  60     void Set( WX_NSColor aColor );
  61
  62     // reroute the inherited ones
  63     void Set(unsigned char red,
  64              unsigned char green,
  65              unsigned char blue,
  66              unsigned char alpha = wxALPHA_OPAQUE)
  67         { wxColourBase::Set(red, green, blue, alpha); }
  68
  69     bool Set(const wxString &str)
  70         { return wxColourBase::Set(str); }
  71
  72     void Set(unsigned long colRGB)
  73         { wxColourBase::Set(colRGB); }
  74
  75 protected:
  76     // puts the object in an invalid, uninitialized state
  77     void Init();
  78
  79     virtual void
  80     InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
  81
  82 private:
  83     WX_NSColor m_cocoaNSColor;
  84     unsigned char m_red;
  85     unsigned char m_green;
  86     unsigned char m_blue;
  87     unsigned char m_alpha;
  88
  89     DECLARE_DYNAMIC_CLASS(wxColour)
  90 };
  91
  92 #endif // __WX_COCOA_COLOUR_H__