include/wx/os2/colour.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        colour.h
   3 // Purpose:     wxColour class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_COLOUR_H_
  13 #define _WX_COLOUR_H_
  14
  15 #include "wx/object.h"
  16
  17 // Colour
  18 class WXDLLEXPORT wxColour: public wxObject
  19 {
  20 public:
  21     //
  22     // Ctors
  23     //
  24
  25     //
  26     // Default
  27     //
  28     wxColour();
  29
  30     //
  31     // from RGB
  32     //
  33     wxColour( unsigned char cRed
  34              ,unsigned char cGreen
  35              ,unsigned char cBlue
  36             );
  37
  38     //
  39     // Implicit conversion from the colour name
  40     //
  41     wxColour(const wxString& rColourName) { InitFromName(rColourName); }
  42     wxColour(const char* zColourName) { InitFromName(zColourName); }
  43
  44     //
  45     // Copy ctors and assignment operators
  46     //
  47     wxColour(const wxColour& rCol);
  48     wxColour(const wxColour* pCol);
  49     wxColour&operator = (const wxColour& rCol);
  50
  51     //
  52     // Dtor
  53     //
  54     ~wxColour();
  55
  56     //
  57     // Set functions
  58     //
  59     void Set( unsigned char cRed
  60              ,unsigned char cGreen
  61              ,unsigned char cBlue
  62             );
  63     void Set(unsigned long lColRGB)
  64     {
  65         //
  66         // We don't need to know sizeof(long) here because we assume that the three
  67         // least significant bytes contain the R, G and B values
  68         //
  69         Set( (unsigned char)lColRGB
  70             ,(unsigned char)(lColRGB >> 8)
  71             ,(unsigned char)(lColRGB >> 16)
  72            );
  73     }
  74
  75     //
  76     // Accessors
  77     bool Ok(void) const {return m_bIsInit; }
  78
  79     //
  80     // Let's remove this inelegant function
  81     //
  82 #if WXWIN_COMPATIBILITY
  83     void Get( unsigned char* pRed
  84              ,unsigned char* pGreen
  85              ,unsigned char* pBlue
  86             ) const;
  87 #endif
  88
  89     unsigned char Red(void) const { return m_cRed; }
  90     unsigned char Green(void) const { return m_cGreen; }
  91     unsigned char Blue(void) const { return m_cBlue; }
  92
  93     //
  94     // Comparison
  95     //
  96     bool operator == (const wxColour& rColour) const
  97     {
  98         return (m_cRed   == rColour.m_cRed &&
  99                 m_cGreen == rColour.m_cGreen &&
 100                 m_cBlue  == rColour.m_cBlue
 101                );
 102     }
 103     bool operator != (const wxColour& rColour) const { return !(*this == rColour); }
 104
 105     void       InitFromName(const wxString& rCol);
 106     WXCOLORREF GetPixel(void) const { return m_vPixel; };
 107
 108 private:
 109     bool                            m_bIsInit;
 110     unsigned char                   m_cRed;
 111     unsigned char                   m_cBlue;
 112     unsigned char                   m_cGreen;
 113
 114 public:
 115     WXCOLORREF                      m_vPixel ;
 116 private:
 117   DECLARE_DYNAMIC_CLASS(wxColour)
 118 }; // end of class wxColour
 119
 120 #endif
 121   // _WX_COLOUR_H_