84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file zStream.h
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* @author drose
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* @date 2002-08-05
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*/
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#ifndef ZSTREAM_H
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#define ZSTREAM_H
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#include "pandabase.h"
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// This module is not compiled if zlib is not available.
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#ifdef HAVE_ZLIB
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#include "zStreamBuf.h"
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/**
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* An input stream object that uses zlib to decompress (inflate) the input
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* from another source stream on-the-fly.
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*
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* Attach an IDecompressStream to an existing istream that provides compressed
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* data, and read the corresponding uncompressed data from the
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* IDecompressStream.
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*
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* Seeking is not supported.
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*/
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class EXPCL_PANDA_EXPRESS IDecompressStream : public std::istream {
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PUBLISHED:
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INLINE IDecompressStream();
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INLINE explicit IDecompressStream(std::istream *source, bool owns_source);
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#if _MSC_VER >= 1800
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INLINE IDecompressStream(const IDecompressStream ©) = delete;
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#endif
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INLINE IDecompressStream &open(std::istream *source, bool owns_source);
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INLINE IDecompressStream &close();
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private:
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ZStreamBuf _buf;
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};
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/**
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* An input stream object that uses zlib to compress (deflate) data to another
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* destination stream on-the-fly.
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*
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* Attach an OCompressStream to an existing ostream that will accept
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* compressed data, and write your uncompressed source data to the
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* OCompressStream.
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*
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* Seeking is not supported.
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*/
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class EXPCL_PANDA_EXPRESS OCompressStream : public std::ostream {
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PUBLISHED:
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INLINE OCompressStream();
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INLINE explicit OCompressStream(std::ostream *dest, bool owns_dest,
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int compression_level = 6);
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#if _MSC_VER >= 1800
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INLINE OCompressStream(const OCompressStream ©) = delete;
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#endif
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INLINE OCompressStream &open(std::ostream *dest, bool owns_dest,
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int compression_level = 6);
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INLINE OCompressStream &close();
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private:
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ZStreamBuf _buf;
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};
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#include "zStream.I"
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#endif // HAVE_ZLIB
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#endif
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