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<div class="section" id="module-fontTools.ttx">
<span id="ttx"></span><h1>ttx<a class="headerlink" href="#module-fontTools.ttx" title="Permalink to this headline">¶</a></h1>
<p>usage: ttx [options] inputfile1 [… inputfileN]</p>
<p>TTX – From OpenType To XML And Back</p>
<dl class="docutils">
<dt>If an input file is a TrueType or OpenType font file, it will be</dt>
<dd>decompiled to a TTX file (an XML-based text format).</dd>
<dt>If an input file is a TTX file, it will be compiled to whatever </dt>
<dd>format the data is in, a TrueType or OpenType/CFF font file.</dd>
<dt>Output files are created so they are unique: an existing file is</dt>
<dd>never overwritten.</dd>
</dl>
<p>General options:
-h Help: print this message.
–version: show version and exit.
-d <outputfolder> Specify a directory where the output files are</p>
<blockquote>
<div>to be created.</div></blockquote>
<dl class="docutils">
<dt>-o <outputfile> Specify a file to write the output to. A special</dt>
<dd>value of - would use the standard output.</dd>
</dl>
<p>-f Overwrite existing output file(s), ie. don’t append numbers.
-v Verbose: more messages will be written to stdout about what</p>
<blockquote>
<div>is being done.</div></blockquote>
<dl class="docutils">
<dt>-q Quiet: No messages will be written to stdout about what</dt>
<dd>is being done.</dd>
</dl>
<p>-a allow virtual glyphs ID’s on compile or decompile.</p>
<p>Dump options:
-l List table info: instead of dumping to a TTX file, list some</p>
<blockquote>
<div>minimal info about each table.</div></blockquote>
<dl class="docutils">
<dt>-t <table> Specify a table to dump. Multiple -t options</dt>
<dd>are allowed. When no -t option is specified, all tables
will be dumped.</dd>
<dt>-x <table> Specify a table to exclude from the dump. Multiple</dt>
<dd>-x options are allowed. -t and -x are mutually exclusive.</dd>
<dt>-s Split tables: save the TTX data into separate TTX files per</dt>
<dd>table and write one small TTX file that contains references
to the individual table dumps. This file can be used as
input to ttx, as long as the table files are in the
same directory.</dd>
<dt>-i Do NOT disassemble TT instructions: when this option is given,</dt>
<dd>all TrueType programs (glyph programs, the font program and the
pre-program) will be written to the TTX file as hex data
instead of assembly. This saves some time and makes the TTX
file smaller.</dd>
<dt>-z <format> Specify a bitmap data export option for EBDT:</dt>
<dd><p class="first">{‘raw’, ‘row’, ‘bitwise’, ‘extfile’} or for the CBDT:
{‘raw’, ‘extfile’} Each option does one of the following:</p>
<blockquote>
<div><table class="docutils option-list" frame="void" rules="none">
<col class="option" />
<col class="description" />
<tbody valign="top">
<tr><td class="option-group">
<kbd><span class="option">-z <var>raw</var></span></kbd></td>
<td><ul class="first last simple">
<li>export the bitmap data as a hex dump</li>
</ul>
</td></tr>
<tr><td class="option-group">
<kbd><span class="option">-z <var>row</var></span></kbd></td>
<td><ul class="first last simple">
<li>export each row as hex data</li>
</ul>
</td></tr>
<tr><td class="option-group">
<kbd><span class="option">-z <var>bitwise</var></span></kbd></td>
<td><ul class="first last simple">
<li>export each row as binary in an ASCII art style</li>
</ul>
</td></tr>
<tr><td class="option-group">
<kbd><span class="option">-z <var>extfile</var></span></kbd></td>
<td><ul class="first last simple">
<li>export the data as external files with XML references</li>
</ul>
</td></tr>
</tbody>
</table>
</div></blockquote>
<p class="last">If no export format is specified ‘raw’ format is used.</p>
</dd>
<dt>-e Don’t ignore decompilation errors, but show a full traceback</dt>
<dd>and abort.</dd>
<dt>-y <number> Select font number for TrueType Collection (.ttc/.otc),</dt>
<dd>starting from 0.</dd>
<dt>–unicodedata <UnicodeData.txt> Use custom database file to write</dt>
<dd>character names in the comments of the cmap TTX output.</dd>
<dt>–newline <value> Control how line endings are written in the XML</dt>
<dd>file. It can be ‘LF’, ‘CR’, or ‘CRLF’. If not specified, the
default platform-specific line endings are used.</dd>
</dl>
<p>Compile options:
-m Merge with TrueType-input-file: specify a TrueType or OpenType</p>
<blockquote>
<div>font file to be merged with the TTX file. This option is only
valid when at most one TTX file is specified.</div></blockquote>
<dl class="docutils">
<dt>-b Don’t recalc glyph bounding boxes: use the values in the TTX</dt>
<dd>file as-is.</dd>
<dt>–recalc-timestamp Set font ‘modified’ timestamp to current time.</dt>
<dd>By default, the modification time of the TTX file will be used.</dd>
<dt>–flavor <type> Specify flavor of output font file. May be ‘woff’</dt>
<dd>or ‘woff2’. Note that WOFF2 requires the Brotli Python extension,
available at <a class="reference external" href="https://github.com/google/brotli">https://github.com/google/brotli</a></dd>
<dt>–with-zopfli Use Zopfli instead of Zlib to compress WOFF. The Python</dt>
<dd>extension is available at <a class="reference external" href="https://pypi.python.org/pypi/zopfli">https://pypi.python.org/pypi/zopfli</a></dd>
</dl>
<dl class="class">
<dt id="fontTools.ttx.Options">
<em class="property">class </em><code class="descclassname">fontTools.ttx.</code><code class="descname">Options</code><span class="sig-paren">(</span><em>rawOptions</em>, <em>numFiles</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#Options"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.Options" title="Permalink to this definition">¶</a></dt>
<dd><dl class="attribute">
<dt id="fontTools.ttx.Options.allowVID">
<code class="descname">allowVID</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.allowVID" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.bitmapGlyphDataFormat">
<code class="descname">bitmapGlyphDataFormat</code><em class="property"> = 'raw'</em><a class="headerlink" href="#fontTools.ttx.Options.bitmapGlyphDataFormat" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.disassembleInstructions">
<code class="descname">disassembleInstructions</code><em class="property"> = True</em><a class="headerlink" href="#fontTools.ttx.Options.disassembleInstructions" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.flavor">
<code class="descname">flavor</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.flavor" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.ignoreDecompileErrors">
<code class="descname">ignoreDecompileErrors</code><em class="property"> = True</em><a class="headerlink" href="#fontTools.ttx.Options.ignoreDecompileErrors" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.listTables">
<code class="descname">listTables</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.listTables" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.mergeFile">
<code class="descname">mergeFile</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.mergeFile" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.newlinestr">
<code class="descname">newlinestr</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.newlinestr" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.outputDir">
<code class="descname">outputDir</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.outputDir" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.outputFile">
<code class="descname">outputFile</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.outputFile" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.overWrite">
<code class="descname">overWrite</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.overWrite" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.quiet">
<code class="descname">quiet</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.quiet" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.recalcBBoxes">
<code class="descname">recalcBBoxes</code><em class="property"> = True</em><a class="headerlink" href="#fontTools.ttx.Options.recalcBBoxes" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.recalcTimestamp">
<code class="descname">recalcTimestamp</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.recalcTimestamp" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.splitTables">
<code class="descname">splitTables</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.splitTables" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.unicodedata">
<code class="descname">unicodedata</code><em class="property"> = None</em><a class="headerlink" href="#fontTools.ttx.Options.unicodedata" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.useZopfli">
<code class="descname">useZopfli</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.useZopfli" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="fontTools.ttx.Options.verbose">
<code class="descname">verbose</code><em class="property"> = False</em><a class="headerlink" href="#fontTools.ttx.Options.verbose" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="function">
<dt id="fontTools.ttx.guessFileType">
<code class="descclassname">fontTools.ttx.</code><code class="descname">guessFileType</code><span class="sig-paren">(</span><em>fileName</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#guessFileType"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.guessFileType" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.main">
<code class="descclassname">fontTools.ttx.</code><code class="descname">main</code><span class="sig-paren">(</span><em>args=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#main"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.main" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.parseOptions">
<code class="descclassname">fontTools.ttx.</code><code class="descname">parseOptions</code><span class="sig-paren">(</span><em>args</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#parseOptions"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.parseOptions" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.process">
<code class="descclassname">fontTools.ttx.</code><code class="descname">process</code><span class="sig-paren">(</span><em>jobs</em>, <em>options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.process" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.ttCompile">
<code class="descclassname">fontTools.ttx.</code><code class="descname">ttCompile</code><span class="sig-paren">(</span><em>input</em>, <em>output</em>, <em>options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#ttCompile"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.ttCompile" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.ttDump">
<code class="descclassname">fontTools.ttx.</code><code class="descname">ttDump</code><span class="sig-paren">(</span><em>input</em>, <em>output</em>, <em>options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#ttDump"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.ttDump" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.ttList">
<code class="descclassname">fontTools.ttx.</code><code class="descname">ttList</code><span class="sig-paren">(</span><em>input</em>, <em>output</em>, <em>options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#ttList"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.ttList" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="fontTools.ttx.waitForKeyPress">
<code class="descclassname">fontTools.ttx.</code><code class="descname">waitForKeyPress</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/fontTools/ttx.html#waitForKeyPress"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#fontTools.ttx.waitForKeyPress" title="Permalink to this definition">¶</a></dt>
<dd><p>Force the DOS Prompt window to stay open so the user gets
a chance to see what’s wrong.</p>
</dd></dl>
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