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<p>Open a new stream to parse gzip-compressed font files. This is mainly used to support the compressed <code>*.pcf.gz</code> fonts that come with XFree86.</p><h4>input</h4><table class="fields"><tr><td class="val" id="stream">stream</td><td class="desc"><p>The target embedding stream.</p></td></tr><tr><td class="val" id="source">source</td><td class="desc"><p>The source stream.</p></td></tr></table>
<h4>return</h4>
<p>FreeType error code. 0&nbsp;means success.</p><h4>note</h4>
<p>The source stream must be opened <em>before</em> calling this function.</p><p>Calling the internal function <code>FT_Stream_Close</code> on the new stream will <strong>not</strong> call <code>FT_Stream_Close</code> on the source stream. None of the stream objects will be released to the heap.</p><p>This function may return <code>FT_Err_Unimplemented_Feature</code> if your build of FreeType was not compiled with zlib support.</p><hr>
<h2 id="ft_gzip_uncompress">FT_Gzip_Uncompress<a class="headerlink" href="#ft_gzip_uncompress" title="Permanent link">&para;</a></h2><p>Defined in FT_GZIP_H (freetype/ftgzip.h).</p><div class = "codehilite"><pre><code>  FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> )  <b>FT_Gzip_Uncompress</b>( <a href="ft2-system_interface.html#ft_memory">FT_Memory</a>       memory,                      <a href="ft2-basic_types.html#ft_byte">FT_Byte</a>*        output,                      <a href="ft2-basic_types.html#ft_ulong">FT_ULong</a>*       output_len,                      <span class="keyword">const</span> <a href="ft2-basic_types.html#ft_byte">FT_Byte</a>*  input,                      <a href="ft2-basic_types.html#ft_ulong">FT_ULong</a>        input_len );</code></pre></div>
<p>Decompress a zipped input buffer into an output buffer. This function is modeled after zlib's <code>uncompress</code> function.</p><h4>input</h4><table class="fields"><tr><td class="val" id="memory">memory</td><td class="desc"><p>A FreeType memory handle.</p></td></tr><tr><td class="val" id="input">input</td><td class="desc"><p>The input buffer.</p></td></tr><tr><td class="val" id="input_len">input_len</td><td class="desc"><p>The length of the input buffer.</p></td></tr></table>
<h4>output</h4><table class="fields"><tr><td class="val" id="output">output</td><td class="desc"><p>The output buffer.</p></td></tr></table>
<h4>inout</h4><table class="fields"><tr><td class="val" id="output_len">output_len</td><td class="desc"><p>Before calling the function, this is the total size of the output buffer, which must be large enough to hold the entire uncompressed data (so the size of the uncompressed data must be known in advance). After calling the function, <code>output_len</code> is the size of the used data in <code>output</code>.</p></td></tr></table>
<h4>return</h4>
<p>FreeType error code. 0&nbsp;means success.</p><h4>note</h4>
<p>This function may return <code>FT_Err_Unimplemented_Feature</code> if your build of FreeType was not compiled with zlib support.</p><h4>since</h4>
<p>2.5.1</p><hr>                                                            

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