include/wx/palmos/palette.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/palmos/palette.h
   3 // Purpose:     wxPalette class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   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(void);
  24     ~wxPaletteRefData(void);
  25 protected:
  26  WXHPALETTE m_hPalette;
  27 };
  28
  29 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  30
  31 class WXDLLEXPORT wxPalette: public wxPaletteBase
  32 {
  33   DECLARE_DYNAMIC_CLASS(wxPalette)
  34
  35 public:
  36   wxPalette(void);
  37   inline wxPalette(const wxPalette& palette) { Ref(palette); }
  38
  39   wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  40   ~wxPalette(void);
  41   bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  42   int GetPixel(unsigned char red, unsigned char green, unsigned char blue) const;
  43   bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
  44
  45   virtual bool Ok(void) const { return (m_refData != NULL) ; }
  46
  47   inline wxPalette& operator = (const wxPalette& palette) { if (*this == palette) return (*this); Ref(palette); return *this; }
  48   inline bool operator == (const wxPalette& palette) const { return m_refData == palette.m_refData; }
  49   inline bool operator != (const wxPalette& palette) const { return m_refData != palette.m_refData; }
  50
  51   virtual bool FreeResource(bool force = false);
  52
  53   inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
  54   void SetHPALETTE(WXHPALETTE pal);
  55 };
  56
  57 #endif
  58     // _WX_PALETTE_H_