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<div class="section" id="misc-example-code-ftface-props-py">
<span id="misc-ftface-props"></span><h1>misc example code: ftface_props.py<a class="headerlink" href="#misc-example-code-ftface-props-py" title="Permalink to this headline">ΒΆ</a></h1>
<p>[<a class="reference external" href="ftface_props.py">source code</a>]</p>
<div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</span>
<span class="sd">"""</span>
<span class="sd">This is a demo script to show you how to use all the properties of an</span>
<span class="sd">FT2Font object. These describe global font properties. For</span>
<span class="sd">individual character metrices, use the Glyp object, as returned by</span>
<span class="sd">load_char</span>
<span class="sd">"""</span>
<span class="kn">import</span> <span class="nn">matplotlib</span>
<span class="kn">from</span> <span class="nn">matplotlib.ft2font</span> <span class="kn">import</span> <span class="n">FT2Font</span>
<span class="c">#fname = '/usr/local/share/matplotlib/VeraIt.ttf'</span>
<span class="n">fname</span> <span class="o">=</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">get_data_path</span><span class="p">()</span> <span class="o">+</span> <span class="s">'/fonts/ttf/VeraIt.ttf'</span>
<span class="c">#fname = '/usr/local/share/matplotlib/cmr10.ttf'</span>
<span class="n">font</span> <span class="o">=</span> <span class="n">FT2Font</span><span class="p">(</span><span class="n">fname</span><span class="p">)</span>
<span class="c"># these constants are used to access the style_flags and face_flags</span>
<span class="n">FT_FACE_FLAG_SCALABLE</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">0</span>
<span class="n">FT_FACE_FLAG_FIXED_SIZES</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">1</span>
<span class="n">FT_FACE_FLAG_FIXED_WIDTH</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">2</span>
<span class="n">FT_FACE_FLAG_SFNT</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">3</span>
<span class="n">FT_FACE_FLAG_HORIZONTAL</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">4</span>
<span class="n">FT_FACE_FLAG_VERTICAL</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">5</span>
<span class="n">FT_FACE_FLAG_KERNING</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">6</span>
<span class="n">FT_FACE_FLAG_FAST_GLYPHS</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">7</span>
<span class="n">FT_FACE_FLAG_MULTIPLE_MASTERS</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">8</span>
<span class="n">FT_FACE_FLAG_GLYPH_NAMES</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">9</span>
<span class="n">FT_FACE_FLAG_EXTERNAL_STREAM</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">10</span>
<span class="n">FT_STYLE_FLAG_ITALIC</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">0</span>
<span class="n">FT_STYLE_FLAG_BOLD</span> <span class="o">=</span> <span class="mi">1</span> <span class="o"><<</span> <span class="mi">1</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Num faces :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">num_faces</span><span class="p">)</span> <span class="c"># number of faces in file</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Num glyphs :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">num_glyphs</span><span class="p">)</span> <span class="c"># number of glyphs in the face</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Family name :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">family_name</span><span class="p">)</span> <span class="c"># face family name</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Syle name :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_name</span><span class="p">)</span> <span class="c"># face syle name</span>
<span class="k">print</span><span class="p">(</span><span class="s">'PS name :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">postscript_name</span><span class="p">)</span> <span class="c"># the postscript name</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Num fixed :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">num_fixed_sizes</span><span class="p">)</span> <span class="c"># number of embedded bitmap in face</span>
<span class="c"># the following are only available if face.scalable</span>
<span class="k">if</span> <span class="n">font</span><span class="o">.</span><span class="n">scalable</span><span class="p">:</span>
<span class="c"># the face global bounding box (xmin, ymin, xmax, ymax)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Bbox :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">bbox</span><span class="p">)</span>
<span class="c"># number of font units covered by the EM</span>
<span class="k">print</span><span class="p">(</span><span class="s">'EM :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">units_per_EM</span><span class="p">)</span>
<span class="c"># the ascender in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Ascender :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">ascender</span><span class="p">)</span>
<span class="c"># the descender in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Descender :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">descender</span><span class="p">)</span>
<span class="c"># the height in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Height :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
<span class="c"># maximum horizontal cursor advance</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Max adv width :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">max_advance_width</span><span class="p">)</span>
<span class="c"># same for vertical layout</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Max adv height :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">max_advance_height</span><span class="p">)</span>
<span class="c"># vertical position of the underline bar</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Underline pos :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">underline_position</span><span class="p">)</span>
<span class="c"># vertical thickness of the underline</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Underline thickness :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">underline_thickness</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Italics :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_STYLE_FLAG_ITALIC</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Bold :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_STYLE_FLAG_BOLD</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Scalable :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_SCALABLE</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Fixed sizes :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_FIXED_SIZES</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Fixed width :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_FIXED_WIDTH</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'SFNT :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_SFNT</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Horizontal :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_HORIZONTAL</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Vertical :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_VERTICAL</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Kerning :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_KERNING</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Fast glyphs :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_FAST_GLYPHS</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Mult. masters :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_MULTIPLE_MASTERS</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="s">'Glyph names :'</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">style_flags</span> <span class="o">&</span> <span class="n">FT_FACE_FLAG_GLYPH_NAMES</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">print</span><span class="p">(</span><span class="nb">dir</span><span class="p">(</span><span class="n">font</span><span class="p">))</span>
<span class="n">cmap</span> <span class="o">=</span> <span class="n">font</span><span class="o">.</span><span class="n">get_charmap</span><span class="p">()</span>
<span class="k">print</span><span class="p">(</span><span class="n">font</span><span class="o">.</span><span class="n">get_kerning</span><span class="p">)</span>
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