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  <div class="section" id="the-object-oriented-interface">
<span id="sphx-glr-gallery-api-agg-oo-sgskip-py"></span><h1>The object-oriented interface<a class="headerlink" href="#the-object-oriented-interface" title="Permalink to this headline">¶</a></h1>
<p>A pure OO (look Ma, no pyplot!) example using the agg backend.</p>
<div class="highlight-python"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">matplotlib.backends.backend_agg</span> <span class="kn">import</span> <span class="n">FigureCanvasAgg</span> <span class="k">as</span> <span class="n">FigureCanvas</span>
<span class="kn">from</span> <span class="nn">matplotlib.figure</span> <span class="kn">import</span> <a href="../../api/_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="View documentation for matplotlib.figure.Figure"><span class="n">Figure</span></a>
<span class="n">fig</span> <span class="o">=</span> <a href="../../api/_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure" title="View documentation for matplotlib.figure.Figure"><span class="n">Figure</span></a><span class="p">()</span>
<span class="c1"># A canvas must be manually attached to the figure (pyplot would automatically</span>
<span class="c1"># do it).  This is done by instanciating the canvas with the figure as</span>
<span class="c1"># argument.</span>
<span class="n">FigureCanvas</span><span class="p">(</span><span class="n">fig</span><span class="p">)</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_subplot</span><span class="p">(</span><span class="mi">111</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">])</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="s1">&#39;hi mom&#39;</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">grid</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_xlabel</span><span class="p">(</span><span class="s1">&#39;time&#39;</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_ylabel</span><span class="p">(</span><span class="s1">&#39;volts&#39;</span><span class="p">)</span>
<span class="n">fig</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="s1">&#39;test&#39;</span><span class="p">)</span>
</pre></div>
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