Method updateData

app/src/UI/Widgets/MultiPlot.cpp:588–663

* @brief Updates the data of the multiplot. */

 * @brief Updates the data of the multiplot.
 */
void Widgets::MultiPlot::updateData()
{
  static thread_local DSP::DownsampleWorkspace ws;

  if (!isEnabled() || !VALIDATE_WIDGET(SerialStudio::DashboardMultiPlot, m_index))
    return;

  syncStringCurves();

  if (m_timeAxis && m_sweepEnabled) {
    double xLo = m_minX;
    double xHi = m_maxX;
    clampToVisibleX(xLo, xHi);

    const auto& engine        = UI::Dashboard::instance().multiplotSweep(m_index);
    const qsizetype plotCount = static_cast<qsizetype>(engine.front.size());
    if (m_data.size() != plotCount)
      m_data.resize(plotCount);

    for (qsizetype i = 0; i < plotCount; ++i) {
      if (i >= m_visibleCurves.size() || !m_visibleCurves[i])
        continue;

      const auto& ring = engine.display(static_cast<size_t>(i));
      (void)DSP::downsampleWindowAbsolute(
        ring.time, ring.value, xLo, xHi, m_dataW, m_dataH, m_data[i], &ws);
    }

    calculateAutoScaleRange();
    return;
  }

  if (m_timeAxis) {
    double xLo = m_minX;
    double xHi = m_maxX;
    clampToVisibleX(xLo, xHi);

    const auto& rings         = UI::Dashboard::instance().multiplotTimeRings(m_index);
    const qsizetype plotCount = static_cast<qsizetype>(rings.size());
    if (m_data.size() != plotCount)
      m_data.resize(plotCount);

    for (qsizetype i = 0; i < plotCount; ++i) {
      if (i >= m_visibleCurves.size() || !m_visibleCurves[i])
        continue;

      const auto& ring = rings[static_cast<size_t>(i)];
      (void)DSP::downsampleTimeWindow(
        ring.time, ring.value, xLo, xHi, m_dataW, m_dataH, m_data[i], &ws);
    }

    calculateAutoScaleRange();
    return;
  }

  const auto& data = UI::Dashboard::instance().multiplotData(m_index);
  const auto& X    = *data.x;