YIQ_inplace">
<span class="sig-prename descclassname"><span class="pre">RGBConvert.</span></span><span class="sig-name descname"><span class="pre">RGB_TO_YIQ_inplace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">image_surface</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">include_y</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="