<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>FreeType-2.4.10 API Reference</title> <style type="text/css"> body { font-family: Verdana, Geneva, Arial, Helvetica, serif; color: #000000; background: #FFFFFF; } p { text-align: justify; } h1 { text-align: center; } li { text-align: justify; } td { padding: 0 0.5em 0 0.5em; } td.left { padding: 0 0.5em 0 0.5em; text-align: left; } a:link { color: #0000EF; } a:visited { color: #51188E; } a:hover { color: #FF0000; } span.keyword { font-family: monospace; text-align: left; white-space: pre; color: darkblue; } pre.colored { color: blue; } ul.empty { list-style-type: none; } </style> </head> <body> <table align=center><tr><td><font size=-1>[<a href="ft2-index.html">Index</a>]</font></td> <td width="100%"></td> <td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table> <center><h1>FreeType-2.4.10 API Reference</h1></center> <center><h1> LZW Streams </h1></center> <h2>Synopsis</h2> <table align=center cellspacing=5 cellpadding=0 border=0> <tr><td></td><td><a href="#FT_Stream_OpenLZW">FT_Stream_OpenLZW</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr> </table><br><br> <table align=center width="87%"><tr><td> <p>This section contains the declaration of LZW-specific functions.</p> </td></tr></table><br> <table align=center width="75%"><tr><td> <h4><a name="FT_Stream_OpenLZW">FT_Stream_OpenLZW</a></h4> <table align=center width="87%"><tr><td> Defined in FT_LZW_H (freetype/ftlzw.h). </td></tr></table><br> <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre> FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> ) <b>FT_Stream_OpenLZW</b>( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream, <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> source ); </pre></table><br> <table align=center width="87%"><tr><td> <p>Open a new stream to parse LZW-compressed font files. This is mainly used to support the compressed ‘*.pcf.Z’ fonts that come with XFree86.</p> </td></tr></table><br> <table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td> <p></p> <table cellpadding=3 border=0> <tr valign=top><td><b>stream</b></td><td> <p>The target embedding stream.</p> </td></tr> <tr valign=top><td><b>source</b></td><td> <p>The source stream.</p> </td></tr> </table> </td></tr></table> <table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td> <p>FreeType error code. 0 means success.</p> </td></tr></table> <table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td> <p>The source stream must be opened <i>before</i> calling this function.</p> <p>Calling the internal function ‘FT_Stream_Close’ on the new stream will <b>not</b> call ‘FT_Stream_Close’ on the source stream. None of the stream objects will be released to the heap.</p> <p>The stream implementation is very basic and resets the decompression process each time seeking backwards is needed within the stream</p> <p>In certain builds of the library, LZW compression recognition is automatically handled when calling <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> or <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a>. This means that if no font driver is capable of handling the raw compressed file, the library will try to open a LZW stream from it and re-open the face with it.</p> <p>This function may return ‘FT_Err_Unimplemented_Feature’ if your build of FreeType was not compiled with LZW support.</p> </td></tr></table> </td></tr></table> <hr width="75%"> <table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td> <td width="100%"></td> <td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table> </body> </html>