64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: zstream.h
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// Purpose: Memory stream classes
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// Author: Guilhem Lavaux
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// Modified by:
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// Created: 11/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Guilhem Lavaux
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __WXZSTREAM_H__
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#define __WXZSTREAM_H__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <wx/stream.h>
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#include "zlib.h"
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class wxZlibInputStream: public wxFilterInputStream {
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DECLARE_CLASS(wxZlibInputStream)
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public:
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wxZlibInputStream(wxInputStream& stream);
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virtual ~wxZlibInputStream();
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wxInputStream& Read(void *buffer, size_t size);
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off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart);
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off_t TellI() const;
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size_t LastRead() const { return m_lastread; }
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bool Eof() const;
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protected:
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size_t m_lastread;
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size_t m_z_size;
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unsigned char *m_z_buffer;
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bool m_eof;
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struct z_stream_s m_inflate;
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};
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class wxZlibOutputStream: public wxFilterOutputStream {
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DECLARE_CLASS(wxZlibOutputStream)
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public:
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wxZlibOutputStream(wxOutputStream& stream);
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virtual ~wxZlibOutputStream();
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wxOutputStream& Write(const void *buffer, size_t size);
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off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
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off_t TellO() const;
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size_t LastWrite() const { return m_lastwrite; }
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bool Bad() const;
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protected:
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size_t m_lastwrite;
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size_t m_z_size;
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unsigned char *m_z_buffer;
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bool m_bad;
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struct z_stream_s m_deflate;
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};
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#endif
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