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<div class="section" id="ftface-props">
<span id="sphx-glr-gallery-misc-ftface-props-py"></span><h1>Ftface Props<a class="headerlink" href="#ftface-props" title="Permalink to this headline">¶</a></h1>
<p>This is a demo script to show you how to use all the properties of an
FT2Font object. These describe global font properties. For
individual character metrics, use the Glyph object, as returned by
load_char</p>
<p class="sphx-glr-script-out">Out:</p>
<div class="sphx-glr-script-out highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Num</span> <span class="n">faces</span> <span class="p">:</span> <span class="mi">1</span>
<span class="n">Num</span> <span class="n">glyphs</span> <span class="p">:</span> <span class="mi">5343</span>
<span class="n">Family</span> <span class="n">name</span> <span class="p">:</span> <span class="n">DejaVu</span> <span class="n">Sans</span>
<span class="n">Style</span> <span class="n">name</span> <span class="p">:</span> <span class="n">Oblique</span>
<span class="n">PS</span> <span class="n">name</span> <span class="p">:</span> <span class="n">DejaVuSans</span><span class="o">-</span><span class="n">Oblique</span>
<span class="n">Num</span> <span class="n">fixed</span> <span class="p">:</span> <span class="mi">0</span>
<span class="n">Bbox</span> <span class="p">:</span> <span class="p">(</span><span class="o">-</span><span class="mi">2080</span><span class="p">,</span> <span class="o">-</span><span class="mi">717</span><span class="p">,</span> <span class="mi">3398</span><span class="p">,</span> <span class="mi">2187</span><span class="p">)</span>
<span class="n">EM</span> <span class="p">:</span> <span class="mi">2048</span>
<span class="n">Ascender</span> <span class="p">:</span> <span class="mi">1901</span>
<span class="n">Descender</span> <span class="p">:</span> <span class="o">-</span><span class="mi">483</span>
<span class="n">Height</span> <span class="p">:</span> <span class="mi">2384</span>
<span class="n">Max</span> <span class="n">adv</span> <span class="n">width</span> <span class="p">:</span> <span class="mi">3461</span>
<span class="n">Max</span> <span class="n">adv</span> <span class="n">height</span> <span class="p">:</span> <span class="mi">2384</span>
<span class="n">Underline</span> <span class="n">pos</span> <span class="p">:</span> <span class="o">-</span><span class="mi">175</span>
<span class="n">Underline</span> <span class="n">thickness</span> <span class="p">:</span> <span class="mi">90</span>
<span class="n">Italic</span> <span class="p">:</span> <span class="kc">True</span>
<span class="n">Bold</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Scalable</span> <span class="p">:</span> <span class="kc">True</span>
<span class="n">Fixed</span> <span class="n">sizes</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Fixed</span> <span class="n">width</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">SFNT</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Horizontal</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Vertical</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Kerning</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Fast</span> <span class="n">glyphs</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Multiple</span> <span class="n">masters</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">Glyph</span> <span class="n">names</span> <span class="p">:</span> <span class="kc">False</span>
<span class="n">External</span> <span class="n">stream</span> <span class="p">:</span> <span class="kc">False</span>
<span class="p">[</span><span class="s1">'__class__'</span><span class="p">,</span> <span class="s1">'__delattr__'</span><span class="p">,</span> <span class="s1">'__dir__'</span><span class="p">,</span> <span class="s1">'__doc__'</span><span class="p">,</span> <span class="s1">'__eq__'</span><span class="p">,</span> <span class="s1">'__format__'</span><span class="p">,</span> <span class="s1">'__ge__'</span><span class="p">,</span> <span class="s1">'__getattribute__'</span><span class="p">,</span> <span class="s1">'__gt__'</span><span class="p">,</span> <span class="s1">'__hash__'</span><span class="p">,</span> <span class="s1">'__init__'</span><span class="p">,</span> <span class="s1">'__init_subclass__'</span><span class="p">,</span> <span class="s1">'__le__'</span><span class="p">,</span> <span class="s1">'__lt__'</span><span class="p">,</span> <span class="s1">'__ne__'</span><span class="p">,</span> <span class="s1">'__new__'</span><span class="p">,</span> <span class="s1">'__reduce__'</span><span class="p">,</span> <span class="s1">'__reduce_ex__'</span><span class="p">,</span> <span class="s1">'__repr__'</span><span class="p">,</span> <span class="s1">'__setattr__'</span><span class="p">,</span> <span class="s1">'__sizeof__'</span><span class="p">,</span> <span class="s1">'__str__'</span><span class="p">,</span> <span class="s1">'__subclasshook__'</span><span class="p">,</span> <span class="s1">'ascender'</span><span class="p">,</span> <span class="s1">'bbox'</span><span class="p">,</span> <span class="s1">'clear'</span><span class="p">,</span> <span class="s1">'descender'</span><span class="p">,</span> <span class="s1">'draw_glyph_to_bitmap'</span><span class="p">,</span> <span class="s1">'draw_glyphs_to_bitmap'</span><span class="p">,</span> <span class="s1">'face_flags'</span><span class="p">,</span> <span class="s1">'family_name'</span><span class="p">,</span> <span class="s1">'fname'</span><span class="p">,</span> <span class="s1">'get_bitmap_offset'</span><span class="p">,</span> <span class="s1">'get_char_index'</span><span class="p">,</span> <span class="s1">'get_charmap'</span><span class="p">,</span> <span class="s1">'get_descent'</span><span class="p">,</span> <span class="s1">'get_glyph_name'</span><span class="p">,</span> <span class="s1">'get_image'</span><span class="p">,</span> <span class="s1">'get_kerning'</span><span class="p">,</span> <span class="s1">'get_name_index'</span><span class="p">,</span> <span class="s1">'get_num_glyphs'</span><span class="p">,</span> <span class="s1">'get_path'</span><span class="p">,</span> <span class="s1">'get_ps_font_info'</span><span class="p">,</span> <span class="s1">'get_sfnt'</span><span class="p">,</span> <span class="s1">'get_sfnt_table'</span><span class="p">,</span> <span class="s1">'get_width_height'</span><span class="p">,</span> <span class="s1">'get_xys'</span><span class="p">,</span> <span class="s1">'height'</span><span class="p">,</span> <span class="s1">'load_char'</span><span class="p">,</span> <span class="s1">'load_glyph'</span><span class="p">,</span> <span class="s1">'max_advance_height'</span><span class="p">,</span> <span class="s1">'max_advance_width'</span><span class="p">,</span> <span class="s1">'num_charmaps'</span><span class="p">,</span> <span class="s1">'num_faces'</span><span class="p">,</span> <span class="s1">'num_fixed_sizes'</span><span class="p">,</span> <span class="s1">'num_glyphs'</span><span class="p">,</span> <span class="s1">'postscript_name'</span><span class="p">,</span> <span class="s1">'scalable'</span><span class="p">,</span> <span class="s1">'select_charmap'</span><span class="p">,</span> <span class="s1">'set_charmap'</span><span class="p">,</span> <span class="s1">'set_size'</span><span class="p">,</span> <span class="s1">'set_text'</span><span class="p">,</span> <span class="s1">'style_flags'</span><span class="p">,</span> <span class="s1">'style_name'</span><span class="p">,</span> <span class="s1">'underline_position'</span><span class="p">,</span> <span class="s1">'underline_thickness'</span><span class="p">,</span> <span class="s1">'units_per_EM'</span><span class="p">]</span>
<span class="o"><</span><span class="n">built</span><span class="o">-</span><span class="ow">in</span> <span class="n">method</span> <span class="n">get_kerning</span> <span class="n">of</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">ft2font</span><span class="o">.</span><span class="n">FT2Font</span> <span class="nb">object</span> <span class="n">at</span> <span class="mh">0x7efc16df5370</span><span class="o">></span>
</pre></div>
</div>
<div class="line-block">
<div class="line"><br /></div>
</div>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">print_function</span>
<span class="kn">import</span> <span class="nn">matplotlib</span>
<span class="kn">import</span> <span class="nn">matplotlib.ft2font</span> <span class="kn">as</span> <span class="nn">ft</span>
<span class="c1">#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="s1">'/fonts/ttf/DejaVuSans-Oblique.ttf'</span>
<span class="c1">#fname = '/usr/local/share/matplotlib/cmr10.ttf'</span>
<span class="n">font</span> <span class="o">=</span> <span class="n">ft</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="k">print</span><span class="p">(</span><span class="s1">'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="c1"># number of faces in file</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># number of glyphs in the face</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># face family name</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'Style 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="c1"># face style name</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># the postscript name</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># number of embedded bitmap in face</span>
<span class="c1"># 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="c1"># the face global bounding box (xmin, ymin, xmax, ymax)</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># number of font units covered by the EM</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># the ascender in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># the descender in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># the height in 26.6 units</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># maximum horizontal cursor advance</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># same for vertical layout</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># vertical position of the underline bar</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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="c1"># vertical thickness of the underline</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'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">for</span> <span class="n">style</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'Italic'</span><span class="p">,</span>
<span class="s1">'Bold'</span><span class="p">,</span>
<span class="s1">'Scalable'</span><span class="p">,</span>
<span class="s1">'Fixed sizes'</span><span class="p">,</span>
<span class="s1">'Fixed width'</span><span class="p">,</span>
<span class="s1">'SFNT'</span><span class="p">,</span>
<span class="s1">'Horizontal'</span><span class="p">,</span>
<span class="s1">'Vertical'</span><span class="p">,</span>
<span class="s1">'Kerning'</span><span class="p">,</span>
<span class="s1">'Fast glyphs'</span><span class="p">,</span>
<span class="s1">'Multiple masters'</span><span class="p">,</span>
<span class="s1">'Glyph names'</span><span class="p">,</span>
<span class="s1">'External stream'</span><span class="p">):</span>
<span class="n">bitpos</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">ft</span><span class="p">,</span> <span class="n">style</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">' '</span><span class="p">,</span> <span class="s1">'_'</span><span class="p">)</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span> <span class="o">-</span> <span class="mi">1</span>
<span class="k">print</span><span class="p">(</span><span class="s1">'</span><span class="si">%-17s</span><span class="s1">:'</span> <span class="o">%</span> <span class="n">style</span><span class="p">,</span> <span class="nb">bool</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="p">(</span><span class="mi">1</span> <span class="o"><<</span> <span class="n">bitpos</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="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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