include/wx/osx/core/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/core/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/osx/core/cfref.h"
  19
  20 struct RGBColor;
  21
  22 // Colour
  23 class WXDLLIMPEXP_CORE wxColour: public wxColourBase
  24 {
  25 public:
  26     // constructors
  27     // ------------
  28     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  29
  30     // default copy ctor and dtor are ok
  31
  32     // accessors
  33     virtual bool IsOk() const { return m_cgColour != NULL; }
  34
  35     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Red() const { return m_red; }
  36     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Green() const { return m_green; }
  37     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Blue() const { return m_blue; }
  38     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Alpha() const { return m_alpha; }
  39
  40     // comparison
  41     bool operator == (const wxColour& colour) const;
  42
  43     bool operator != (const wxColour& colour) const { return !(*this == colour); }
  44
  45     CGColorRef GetPixel() const { return m_cgColour; };
  46
  47     CGColorRef GetCGColor() const { return m_cgColour; };
  48     CGColorRef CreateCGColor() const { return wxCFRetain( (CGColorRef)m_cgColour ); };
  49
  50 #if wxOSX_USE_COCOA_OR_CARBON
  51     void GetRGBColor( RGBColor *col ) const;
  52 #endif
  53
  54     // Mac-specific ctor and assignment operator from the native colour
  55     // assumes ownership of CGColorRef
  56     wxColour( CGColorRef col );
  57 #if wxOSX_USE_COCOA_OR_CARBON
  58     wxColour(const RGBColor& col);
  59     wxColour& operator=(const RGBColor& col);
  60 #endif
  61 #if wxOSX_USE_COCOA
  62     wxColour(WX_NSColor color);
  63     WX_NSColor OSXGetNSColor();
  64 #endif
  65     wxColour& operator=(CGColorRef col);
  66     wxColour& operator=(const wxColour& col);
  67
  68 protected :
  69     virtual void
  70     InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a);
  71 #if wxOSX_USE_COCOA_OR_CARBON
  72     void InitRGBColor( const RGBColor& col );
  73 #endif
  74     void InitCGColorRef( CGColorRef col );
  75     void InitFromComponents(const CGFloat* components, size_t numComponents );
  76 private:
  77     wxCFRef<CGColorRef>     m_cgColour;
  78
  79     ChannelType             m_red;
  80     ChannelType             m_blue;
  81     ChannelType             m_green;
  82     ChannelType             m_alpha;
  83
  84     DECLARE_DYNAMIC_CLASS(wxColour)
  85 };
  86
  87 #endif
  88   // _WX_COLOUR_H_