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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "palette.h"
  17 #endif
  18
  19 #include "wx/gdiobj.h"
  20
  21 class WXDLLEXPORT wxPalette;
  22
  23 class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
  24 {
  25     friend class WXDLLEXPORT wxPalette;
  26 public:
  27     wxPaletteRefData(void);
  28     ~wxPaletteRefData(void);
  29 protected:
  30  WXHPALETTE m_hPalette;
  31 };
  32
  33 #define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
  34
  35 class WXDLLEXPORT wxPalette: public wxPaletteBase
  36 {
  37   DECLARE_DYNAMIC_CLASS(wxPalette)
  38
  39 public:
  40   wxPalette(void);
  41   inline wxPalette(const wxPalette& palette) { Ref(palette); }
  42
  43   wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  44   ~wxPalette(void);
  45   bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
  46   int GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const;
  47   bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
  48
  49   virtual bool Ok(void) const { return (m_refData != NULL) ; }
  50
  51   inline wxPalette& operator = (const wxPalette& palette) { if (*this == palette) return (*this); Ref(palette); return *this; }
  52   inline bool operator == (const wxPalette& palette) const { return m_refData == palette.m_refData; }
  53   inline bool operator != (const wxPalette& palette) const { return m_refData != palette.m_refData; }
  54
  55   virtual bool FreeResource(bool force = false);
  56
  57   inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
  58   void SetHPALETTE(WXHPALETTE pal);
  59 };
  60
  61 #endif
  62     // _WX_PALETTE_H_