include/wx/os2/palette.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/palette.h
   3 // Purpose:     wxPalette class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/12/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PALETTE_H_
  13 #define _WX_PALETTE_H_
  14
  15 #include "wx/gdiobj.h"
  16 #include "wx/os2/private.h"
  17
  18 class WXDLLEXPORT wxPalette;
  19
  20 class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
  21 {
  22     friend class WXDLLEXPORT wxPalette;
  23 public:
  24     wxPaletteRefData();
  25     ~wxPaletteRefData();
  26 // protected:
  27     WXHPALETTE                      m_hPalette;
  28     HPS                             m_hPS;
  29 }; // end of CLASS wxPaletteRefData
  30
  31 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  32
  33 class WXDLLEXPORT wxPalette: public wxPaletteBase
  34 {
  35     DECLARE_DYNAMIC_CLASS(wxPalette)
  36
  37 public:
  38     wxPalette();
  39     inline wxPalette(const wxPalette& rPalette) { Ref(rPalette); }
  40
  41     wxPalette( int                  n
  42               ,const unsigned char* pRed
  43               ,const unsigned char* pGreen
  44               ,const unsigned char* pBlue
  45              );
  46     ~wxPalette();
  47
  48     bool Create( int                  n
  49                 ,const unsigned char* pRed
  50                 ,const unsigned char* pGreen
  51                 ,const unsigned char* pBlue
  52                );
  53     int  GetPixel( unsigned char cRed
  54                   ,unsigned char cGreen
  55                   ,unsigned char cBlue
  56                  ) const;
  57     bool GetRGB( int            nPixel
  58                 ,unsigned char* pRed
  59                 ,unsigned char* pGreen
  60                 ,unsigned char* pBlue
  61                ) const;
  62
  63     virtual bool Ok(void) const { return (m_refData != NULL) ; }
  64
  65     inline wxPalette& operator = (const wxPalette& rPalette) { if (*this == rPalette) return (*this); Ref(rPalette); return *this; }
  66     inline bool       operator == (const wxPalette& rPalette) const
  67         { return m_refData == rPalette.m_refData; }
  68     inline bool       operator != (const wxPalette& rPalette) const
  69         { return m_refData != rPalette.m_refData; }
  70
  71     virtual bool FreeResource(bool bForce = false);
  72
  73     inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
  74     void              SetHPALETTE(WXHPALETTE hPalette);
  75     void              SetPS(HPS hPS);
  76 }; // end of CLASS wxPalette
  77
  78 #endif
  79     // _WX_PALETTE_H_