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 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_COLOUR_H_
  12 #define _WX_COLOUR_H_
  13
  14 #include "wx/object.h"
  15 #include "wx/string.h"
  16
  17 #include "wx/osx/core/cfref.h"
  18
  19 struct RGBColor;
  20
  21 // Colour
  22 class WXDLLIMPEXP_CORE wxColour: public wxColourBase
  23 {
  24 public:
  25     // constructors
  26     // ------------
  27     DEFINE_STD_WXCOLOUR_CONSTRUCTORS
  28
  29     // default copy ctor and dtor are ok
  30
  31     // accessors
  32     virtual bool IsOk() const { return m_cgColour != NULL; }
  33
  34     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Red() const { return m_red; }
  35     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Green() const { return m_green; }
  36     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Blue() const { return m_blue; }
  37     virtual WXDLLIMPEXP_INLINE_CORE ChannelType Alpha() const { return m_alpha; }
  38
  39     // comparison
  40     bool operator == (const wxColour& colour) const;
  41
  42     bool operator != (const wxColour& colour) const { return !(*this == colour); }
  43
  44     CGColorRef GetPixel() const { return m_cgColour; }
  45
  46     CGColorRef GetCGColor() const { return m_cgColour; }
  47     CGColorRef CreateCGColor() const { return wxCFRetain( (CGColorRef)m_cgColour ); }
  48
  49 #if wxOSX_USE_COCOA_OR_CARBON
  50     void GetRGBColor( RGBColor *col ) const;
  51 #endif
  52
  53     // Mac-specific ctor and assignment operator from the native colour
  54     // assumes ownership of CGColorRef
  55     wxColour( CGColorRef col );
  56 #if wxOSX_USE_COCOA_OR_CARBON
  57     wxColour(const RGBColor& col);
  58     wxColour& operator=(const RGBColor& col);
  59 #endif
  60 #if wxOSX_USE_COCOA
  61     wxColour(WX_NSColor color);
  62     WX_NSColor OSXGetNSColor() const;
  63 #endif
  64     wxColour& operator=(CGColorRef col);
  65     wxColour& operator=(const wxColour& col);
  66
  67 protected :
  68     virtual void
  69     InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a);
  70 #if wxOSX_USE_COCOA_OR_CARBON
  71     void InitRGBColor( const RGBColor& col );
  72 #endif
  73     void InitCGColorRef( CGColorRef col );
  74     void InitFromComponents(const CGFloat* components, size_t numComponents );
  75 private:
  76     wxCFRef<CGColorRef>     m_cgColour;
  77
  78     ChannelType             m_red;
  79     ChannelType             m_blue;
  80     ChannelType             m_green;
  81     ChannelType             m_alpha;
  82
  83     DECLARE_DYNAMIC_CLASS(wxColour)
  84 };
  85
  86 #endif
  87   // _WX_COLOUR_H_