include/wx/mac/carbon/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/carbon/colour.h
   3 // Purpose:     wxColour class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_COLOUR_H_
  13 #define _WX_COLOUR_H_
  14
  15 #include "wx/object.h"
  16 #include "wx/string.h"
  17
  18 #include "wx/mac/corefoundation/cfref.h"
  19
  20 struct RGBColor;
  21
  22 // Colour
  23 class WXDLLEXPORT wxColour: public wxColourBase
  24 {
  25 public:
  26     // constructors
  27     // ------------
  28
  29     // default
  30     wxColour() { }
  31     wxColour( const wxColour& col );
  32     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  33
  34     // dtor
  35     virtual ~wxColour();
  36
  37     // accessors
  38     virtual bool IsOk() const { return m_cgColour; }
  39
  40     ChannelType Red() const { return m_red; }
  41     ChannelType Green() const { return m_green; }
  42     ChannelType Blue() const { return m_blue; }
  43     ChannelType Alpha() const { return m_alpha; }
  44
  45     // comparison
  46     bool operator == (const wxColour& colour) const;
  47
  48     bool operator != (const wxColour& colour) const { return !(*this == colour); }
  49
  50     CGColorRef GetPixel() const { return m_cgColour; };
  51
  52     CGColorRef GetCGColor() const { return m_cgColour; };
  53     CGColorRef CreateCGColor() const { return wxCFRetain( (CGColorRef)m_cgColour ); };
  54
  55     void GetRGBColor( RGBColor *col ) const;
  56
  57     // Mac-specific ctor and assignment operator from the native colour
  58     // assumes ownership of CGColorRef
  59     wxColour( CGColorRef col );
  60     wxColour(const RGBColor& col);
  61     wxColour& operator=(const RGBColor& col);
  62     wxColour& operator=(CGColorRef col);
  63     wxColour& operator=(const wxColour& col);
  64
  65 protected :
  66
  67
  68     virtual void
  69     InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a);
  70     void InitRGBColor( const RGBColor& col );
  71     void InitCGColorRef( CGColorRef col );
  72 private:
  73     wxCFRef<CGColorRef>     m_cgColour;
  74
  75     ChannelType             m_red;
  76     ChannelType             m_blue;
  77     ChannelType             m_green;
  78     ChannelType             m_alpha;
  79
  80     DECLARE_DYNAMIC_CLASS(wxColour)
  81 };
  82
  83 #endif
  84   // _WX_COLOUR_H_