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enabling alpha on msw colour
[wxWidgets.git] / include / wx / msw / palette.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/msw/palette.h
3// Purpose: wxPalette class
4// Author: Julian Smart
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_PALETTE_H_
13#define _WX_PALETTE_H_
14
15#include "wx/gdiobj.h"
16
17class WXDLLEXPORT wxPalette;
18
19class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
20{
21 friend class WXDLLEXPORT wxPalette;
22public:
23 wxPaletteRefData(void);
24 virtual ~wxPaletteRefData(void);
25protected:
26 WXHPALETTE m_hPalette;
27};
28
29#define M_PALETTEDATA ((wxPaletteRefData *)m_refData)
30
31class WXDLLEXPORT wxPalette: public wxPaletteBase
32{
33public:
34 wxPalette();
35 wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
36 virtual ~wxPalette(void);
37 bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
38
39 int GetPixel(unsigned char red, unsigned char green, unsigned char blue) const;
40 bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
41
42 virtual int GetColoursCount() const;
43
44 virtual bool Ok(void) const { return (m_refData != NULL) ; }
45
46 inline bool operator == (const wxPalette& palette) const { return m_refData == palette.m_refData; }
47 inline bool operator != (const wxPalette& palette) const { return m_refData != palette.m_refData; }
48
49 virtual bool FreeResource(bool force = false);
50
51 // implemetation
52 inline WXHPALETTE GetHPALETTE(void) const { return (M_PALETTEDATA ? M_PALETTEDATA->m_hPalette : 0); }
53 void SetHPALETTE(WXHPALETTE pal);
54
55private:
56 DECLARE_DYNAMIC_CLASS(wxPalette)
57};
58
59#endif
60 // _WX_PALETTE_H_