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
  40     wxPalette( int                  n
  41               ,const unsigned char* pRed
  42               ,const unsigned char* pGreen
  43               ,const unsigned char* pBlue
  44              );
  45     ~wxPalette();
  46
  47     bool Create( int                  n
  48                 ,const unsigned char* pRed
  49                 ,const unsigned char* pGreen
  50                 ,const unsigned char* pBlue
  51                );
  52     int  GetPixel( unsigned char cRed
  53                   ,unsigned char cGreen
  54                   ,unsigned char cBlue
  55                  ) const;
  56     bool GetRGB( int            nPixel
  57                 ,unsigned char* pRed
  58                 ,unsigned char* pGreen
  59                 ,unsigned char* pBlue
  60                ) const;
  61
  62     virtual bool Ok(void) const { return (m_refData != NULL) ; }
  63
  64     inline bool       operator == (const wxPalette& rPalette) const
  65         { return m_refData == rPalette.m_refData; }
  66     inline bool       operator != (const wxPalette& rPalette) const
  67         { return m_refData != rPalette.m_refData; }
  68
  69     virtual bool FreeResource(bool bForce = false);
  70
  71     inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
  72     void              SetHPALETTE(WXHPALETTE hPalette);
  73     void              SetPS(HPS hPS);
  74 }; // end of CLASS wxPalette
  75
  76 #endif
  77     // _WX_PALETTE_H_