zdoom-macos-deps/deps/wxwidgets/include/wx-3.1/wx/imagpng.h
2021-06-28 10:54:57 +03:00

68 lines
1.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/imagpng.h
// Purpose: wxImage PNG handler
// Author: Robert Roebling
// Copyright: (c) Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_IMAGPNG_H_
#define _WX_IMAGPNG_H_
#include "wx/defs.h"
//-----------------------------------------------------------------------------
// wxPNGHandler
//-----------------------------------------------------------------------------
#if wxUSE_LIBPNG
#include "wx/image.h"
#include "wx/versioninfo.h"
#define wxIMAGE_OPTION_PNG_FORMAT wxT("PngFormat")
#define wxIMAGE_OPTION_PNG_BITDEPTH wxT("PngBitDepth")
#define wxIMAGE_OPTION_PNG_FILTER wxT("PngF")
#define wxIMAGE_OPTION_PNG_COMPRESSION_LEVEL wxT("PngZL")
#define wxIMAGE_OPTION_PNG_COMPRESSION_MEM_LEVEL wxT("PngZM")
#define wxIMAGE_OPTION_PNG_COMPRESSION_STRATEGY wxT("PngZS")
#define wxIMAGE_OPTION_PNG_COMPRESSION_BUFFER_SIZE wxT("PngZB")
enum
{
wxPNG_TYPE_COLOUR = 0,
wxPNG_TYPE_GREY = 2,
wxPNG_TYPE_GREY_RED = 3,
wxPNG_TYPE_PALETTE = 4
};
class WXDLLIMPEXP_CORE wxPNGHandler: public wxImageHandler
{
public:
inline wxPNGHandler()
{
m_name = wxT("PNG file");
m_extension = wxT("png");
m_type = wxBITMAP_TYPE_PNG;
m_mime = wxT("image/png");
}
static wxVersionInfo GetLibraryVersionInfo();
#if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 ) wxOVERRIDE;
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true ) wxOVERRIDE;
protected:
virtual bool DoCanRead( wxInputStream& stream ) wxOVERRIDE;
#endif
private:
wxDECLARE_DYNAMIC_CLASS(wxPNGHandler);
};
#endif
// wxUSE_LIBPNG
#endif
// _WX_IMAGPNG_H_