include/wx/os2/palette.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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
  17 class WXDLLEXPORT wxPalette;
  18
  19 class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
  20 {
  21     friend class WXDLLEXPORT wxPalette;
  22 public:
  23     wxPaletteRefData();
  24     ~wxPaletteRefData();
  25 // protected:
  26     WXHPALETTE                      m_hPalette;
  27     HPS                             m_hPS;
  28 }; // end of CLASS wxPaletteRefData
  29
  30 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  31
  32 class WXDLLEXPORT wxPalette: public wxGDIObject
  33 {
  34     DECLARE_DYNAMIC_CLASS(wxPalette)
  35
  36 public:
  37     wxPalette();
  38     inline wxPalette(const wxPalette& rPalette) { Ref(rPalette); }
  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( const unsigned char cRed
  53                   ,const unsigned char cGreen
  54                   ,const 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 wxPalette& operator = (const wxPalette& rPalette) { if (*this == rPalette) return (*this); Ref(rPalette); return *this; }
  65     inline bool       operator == (const wxPalette& rPalette) { return m_refData == rPalette.m_refData; }
  66     inline bool       operator != (const wxPalette& rPalette) { return m_refData != rPalette.m_refData; }
  67
  68     virtual bool FreeResource(bool bForce = FALSE);
  69
  70     inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
  71     void              SetHPALETTE(WXHPALETTE hPalette);
  72     void              SetPS(HPS hPS);
  73 }; // end of CLASS wxPalette
  74
  75 #define wxColorMap wxPalette
  76 #define wxColourMap wxPalette
  77
  78 #endif
  79     // _WX_PALETTE_H_
  80