include/wx/cocoa/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 class WXDLLEXPORT wxColour: public wxObject
  22 {
  23 public:
  24     DECLARE_DYNAMIC_CLASS(wxColour)
  25 // ------------------------------------------------------------------------
  26 // initialization
  27 // ------------------------------------------------------------------------
  28     wxColour();
  29     // from RGB
  30     wxColour( unsigned char red, unsigned char green, unsigned char blue )
  31     :   m_cocoaNSColor(NULL)
  32     {   Set(red,green,blue); }
  33     wxColour( unsigned long colRGB )
  34     :   m_cocoaNSColor(NULL)
  35     {   Set(colRGB); }
  36
  37     // implicit conversion from the colour name
  38     wxColour( const wxString &colourName )
  39     :   m_cocoaNSColor(NULL)
  40     {   InitFromName(colourName); }
  41     wxColour( const char *colourName )
  42     :   m_cocoaNSColor(NULL)
  43     {   InitFromName(wxString::FromAscii(colourName)); }
  44
  45     // copy ctors and assignment operators
  46     wxColour( const wxColour& col );
  47     wxColour& operator = ( const wxColour& col );
  48
  49     ~wxColour();
  50
  51 // ------------------------------------------------------------------------
  52 // Implementation
  53 // ------------------------------------------------------------------------
  54     // accessors
  55     bool Ok() const { return m_cocoaNSColor; }
  56
  57     unsigned char Red() const { return m_red; }
  58     unsigned char Green() const { return m_green; }
  59     unsigned char Blue() const { return m_blue; }
  60
  61     // comparison
  62     bool operator == (const wxColour& colour) const
  63     {
  64         return (m_cocoaNSColor == colour.m_cocoaNSColor &&
  65             m_red == colour.m_red &&
  66             m_green == colour.m_green &&
  67             m_blue == colour.m_blue);
  68     }
  69     bool operator != (const wxColour& colour) const
  70     {   return !(*this == colour); }
  71
  72 //  const WXCOLORREF& GetPixel() const { return m_pixel; };
  73
  74     // Set() functions
  75     void Set( unsigned char red, unsigned char green, unsigned char blue );
  76     void Set( unsigned long colRGB )
  77     {
  78         // we don't need to know sizeof(long) here because we assume that the three
  79         // least significant bytes contain the R, G and B values
  80         Set((unsigned char)colRGB,
  81             (unsigned char)(colRGB >> 8),
  82             (unsigned char)(colRGB >> 16));
  83     }
  84
  85 protected:
  86     void InitFromName(const wxString& col);
  87
  88 private:
  89     WX_NSColor m_cocoaNSColor;
  90     unsigned char m_red;
  91     unsigned char m_green;
  92     unsigned char m_blue;
  93 };
  94
  95 #endif // __WX_COCOA_COLOUR_H__