wxWidgets/include/wx/zstream.h
2003-08-09 12:38:21 +00:00

64 lines
1.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: zstream.h
// Purpose: Memory stream classes
// Author: Guilhem Lavaux
// Modified by:
// Created: 11/07/98
// RCS-ID: $Id$
// Copyright: (c) Guilhem Lavaux
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXZSTREAM_H__
#define _WX_WXZSTREAM_H__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "zstream.h"
#endif
#include "wx/defs.h"
#if wxUSE_ZLIB && wxUSE_STREAMS
#include "wx/stream.h"
class WXDLLIMPEXP_BASE wxZlibInputStream: public wxFilterInputStream {
public:
wxZlibInputStream(wxInputStream& stream);
virtual ~wxZlibInputStream();
protected:
size_t OnSysRead(void *buffer, size_t size);
protected:
size_t m_z_size;
unsigned char *m_z_buffer;
struct z_stream_s *m_inflate;
DECLARE_NO_COPY_CLASS(wxZlibInputStream)
};
class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream {
public:
wxZlibOutputStream(wxOutputStream& stream, int level = -1);
virtual ~wxZlibOutputStream();
void Sync();
protected:
size_t OnSysWrite(const void *buffer, size_t size);
protected:
size_t m_z_size;
unsigned char *m_z_buffer;
struct z_stream_s *m_deflate;
DECLARE_NO_COPY_CLASS(wxZlibOutputStream)
};
#endif
// wxUSE_ZLIB && wxUSE_STREAMS
#endif
// _WX_WXZSTREAM_H__