8ee313d2be
Based on (heavily modified) patch by troelsk. Closes #12505. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66552 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: imagpng.h
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// Purpose: wxImage PNG handler
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// Author: Robert Roebling
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// RCS-ID: $Id$
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_IMAGPNG_H_
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#define _WX_IMAGPNG_H_
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#include "wx/defs.h"
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//-----------------------------------------------------------------------------
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// wxPNGHandler
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//-----------------------------------------------------------------------------
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#if wxUSE_LIBPNG
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#include "wx/image.h"
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#include "wx/versioninfo.h"
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#define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat")
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#define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth")
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#define wxIMAGE_OPTION_PNG_FILTER wxT("PngF")
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#define wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL wxT("PngZL")
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#define wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL wxT("PngZM")
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#define wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY wxT("PngZS")
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#define wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE wxT("PngZB")
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enum
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{
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wxPNG_TYPE_COLOUR = 0,
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wxPNG_TYPE_GREY = 2,
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wxPNG_TYPE_GREY_RED = 3,
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wxPNG_TYPE_PALETTE = 4
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};
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class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler
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{
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public:
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inline wxPNGHandler()
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{
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m_name = wxT("PNG file");
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m_extension = wxT("png");
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m_type = wxBITMAP_TYPE_PNG;
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m_mime = wxT("image/png");
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}
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static wxVersionInfo GetLibraryVersionInfo();
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#if wxUSE_STREAMS
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virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 );
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virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true );
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protected:
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virtual bool DoCanRead( wxInputStream& stream );
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#endif
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private:
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DECLARE_DYNAMIC_CLASS(wxPNGHandler)
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};
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#endif
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// wxUSE_LIBPNG
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#endif
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// _WX_IMAGPNG_H_
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