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[wxWidgets.git] / include / wx / imagpng.h
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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
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
10#ifndef _WX_IMAGPNG_H_
11#define _WX_IMAGPNG_H_
12
12028905 13#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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14#pragma interface "imagpng.h"
15#endif
16
2ecf902b 17#include "wx/defs.h"
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18
19//-----------------------------------------------------------------------------
20// wxPNGHandler
21//-----------------------------------------------------------------------------
22
23#if wxUSE_LIBPNG
a4efa721 24
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25#include "wx/image.h"
26
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27#define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat")
28#define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth")
29
30enum
31{
32 wxPNG_TYPE_COLOUR = 0,
33 wxPNG_TYPE_GREY = 2,
e8144c31 34 wxPNG_TYPE_GREY_RED = 3
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35};
36
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37class WXDLLEXPORT wxPNGHandler: public wxImageHandler
38{
8f493002 39public:
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40 inline wxPNGHandler()
41 {
42 m_name = wxT("PNG file");
43 m_extension = wxT("png");
44 m_type = wxBITMAP_TYPE_PNG;
45 m_mime = wxT("image/png");
46 }
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47
48#if wxUSE_STREAMS
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49 virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
50 virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
2b5f62a0 51 virtual bool DoCanRead( wxInputStream& stream );
8f493002 52#endif
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53
54private:
55 DECLARE_DYNAMIC_CLASS(wxPNGHandler)
8f493002 56};
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58#endif
59 // wxUSE_LIBPNG
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60
61#endif
62 // _WX_IMAGPNG_H_
63