pan class="pre">GaussianBlur5x5.</span></span><span class="sig-name descname"><span class="pre">blur</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">surface_</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">npass</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#GaussianBlur5x5.blur" title="L