int = 255)">bgcolor=(ih: ImageRGB_t; red, green, blue: int; alpha: int = 255)</a></li>
  <li><a class="reference" href="#bgcolor%3D%2CImageRGB_t%2Cstring"
    title="bgcolor=(ih: ImageRGB_t; value: string)">bgcolor=(ih: ImageRGB_t; value: string)</a></li>

  </ul>
  <ul class="simple nested-toc-section">bpp
      <li><a class="reference" href="#bpp%2CImageRGB_t"
    title="bpp(ih: ImageRGB_t): string">bpp(ih: ImageRGB_t): string</a></li>

  </ul>
  <ul class="simple nested-toc-section">channels
      <li><a