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1/////////////////////////////////////////////////////////////////////////////
2// Name: imagpng.h
3// Purpose: wxImage PNG handler
4// Author: Robert Roebling
5// RCS-ID: $Id$
6// Copyright: (c) Robert Roebling
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10#ifndef _WX_IMAGPNG_H_
11#define _WX_IMAGPNG_H_
12
13#include "wx/defs.h"
14
15//-----------------------------------------------------------------------------
16// wxPNGHandler
17//-----------------------------------------------------------------------------
18
19#if wxUSE_LIBPNG
20
21#include "wx/image.h"
22
23#define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat")
24#define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth")
25
26enum
27{
28 wxPNG_TYPE_COLOUR = 0,
29 wxPNG_TYPE_GREY = 2,
30 wxPNG_TYPE_GREY_RED = 3
31};
32
33class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler
34{
35public:
36 inline wxPNGHandler()
37 {
38 m_name = wxT("PNG file");
39 m_extension = wxT("png");
40 m_type = wxBITMAP_TYPE_PNG;
41 m_mime = wxT("image/png");
42 }
43
44#if wxUSE_STREAMS
45 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
46 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
47protected:
48 virtual bool DoCanRead( wxInputStream& stream );
49#endif
50
51private:
52 DECLARE_DYNAMIC_CLASS(wxPNGHandler)
53};
54
55#endif
56 // wxUSE_LIBPNG
57
58#endif
59 // _WX_IMAGPNG_H_
60