inline void _convertDynamicPixel()

in cpp/spectrum/core/proc/ScanlineConversion.cpp [206:235]

• 29 lines of code
• 1 McCabe index (conditional complexity)

inline void _convertDynamicPixel(
    const indices::RGB& inputIndices,
    const std::uint8_t* const inputPixel,
    const indices::Gray& outputIndices,
    std::uint8_t* const outputPixel,
    const image::Color& backgroundColor) {
  const auto red = _extractComponent(
      inputPixel,
      inputIndices.red,
      inputIndices.hasAlpha,
      outputIndices.hasAlpha,
      inputIndices.alpha,
      backgroundColor.red);
  const auto green = _extractComponent(
      inputPixel,
      inputIndices.green,
      inputIndices.hasAlpha,
      outputIndices.hasAlpha,
      inputIndices.alpha,
      backgroundColor.green);
  const auto blue = _extractComponent(
      inputPixel,
      inputIndices.blue,
      inputIndices.hasAlpha,
      outputIndices.hasAlpha,
      inputIndices.alpha,
      backgroundColor.blue);

  outputPixel[outputIndices.gray] = (red + green + blue) / 3;
}