include/wx/zstream.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        zstream.h
   3 // Purpose:     Memory stream classes
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     11/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Guilhem Lavaux
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11 #ifndef _WX_WXZSTREAM_H__
  12 #define _WX_WXZSTREAM_H__
  13
  14 #ifdef __GNUG__
  15 #pragma interface
  16 #endif
  17
  18 #include <wx/stream.h>
  19
  20 class wxZlibInputStream: public wxFilterInputStream {
  21  public:
  22   wxZlibInputStream(wxInputStream& stream);
  23   virtual ~wxZlibInputStream();
  24
  25  protected:
  26   size_t OnSysRead(void *buffer, size_t size);
  27
  28  protected:
  29   size_t m_z_size;
  30   unsigned char *m_z_buffer;
  31   struct z_stream_s *m_inflate;
  32 };
  33
  34 class wxZlibOutputStream: public wxFilterOutputStream {
  35  public:
  36   wxZlibOutputStream(wxOutputStream& stream);
  37   virtual ~wxZlibOutputStream();
  38
  39   void Sync();
  40
  41  protected:
  42   size_t OnSysWrite(const void *buffer, size_t size);
  43
  44  protected:
  45   size_t m_z_size;
  46   unsigned char *m_z_buffer;
  47   struct z_stream_s *m_deflate;
  48 };
  49
  50 #endif