PlottablesRenderingUtils.cpp
126 lines
| 4.1 KiB
| text/x-c
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CppLexer
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r918 | #include "Visualization/PlottablesRenderingUtils.h" | ||
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r919 | #include <Common/ColorUtils.h> | ||
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r918 | #include <Data/ScalarSeries.h> | ||
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r922 | #include <Data/SpectrogramSeries.h> | ||
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r918 | #include <Data/VectorSeries.h> | ||
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r1307 | #include <Variable/Variable.h> | ||
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r918 | #include <Visualization/qcustomplot.h> | ||
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r927 | Q_LOGGING_CATEGORY(LOG_PlottablesRenderingUtils, "PlottablesRenderingUtils") | ||
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r918 | namespace { | ||
| /** | ||||
| * Delegate used to set plottables properties | ||||
| */ | ||||
| template <typename T, typename Enabled = void> | ||||
| struct PlottablesSetter { | ||||
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r1307 | static void setProperties(PlottablesMap &) | ||
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r918 | { | ||
| // Default implementation does nothing | ||||
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r927 | qCCritical(LOG_PlottablesRenderingUtils()) | ||
| << "Can't set plottables properties: unmanaged type of data"; | ||||
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r918 | } | ||
| }; | ||||
| /** | ||||
| * Specialization of PlottablesSetter for scalars and vectors | ||||
| * @sa ScalarSeries | ||||
| * @sa VectorSeries | ||||
| */ | ||||
| template <typename T> | ||||
| struct PlottablesSetter<T, typename std::enable_if_t<std::is_base_of<ScalarSeries, T>::value | ||||
| or std::is_base_of<VectorSeries, T>::value> > { | ||||
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r1307 | static void setProperties(PlottablesMap &plottables) | ||
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r918 | { | ||
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r1307 | // Finds the plottable with the highest index to determine the number of colors to generate | ||
| auto end = plottables.cend(); | ||||
| auto maxPlottableIndexIt | ||||
| = std::max_element(plottables.cbegin(), end, [](const auto &it1, const auto &it2) { | ||||
| return it1.first < it2.first; | ||||
| }); | ||||
| auto componentCount = maxPlottableIndexIt != end ? maxPlottableIndexIt->first + 1 : 0; | ||||
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r919 | |||
| // Generates colors for each component | ||||
| auto colors = ColorUtils::colors(Qt::blue, Qt::red, componentCount); | ||||
| // For each component of the data series, creates a QCPGraph to add to the plot | ||||
| for (auto i = 0; i < componentCount; ++i) { | ||||
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r1307 | auto graphIt = plottables.find(i); | ||
| if (graphIt != end) { | ||||
| graphIt->second->setPen(QPen{colors.at(i)}); | ||||
| } | ||||
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r919 | } | ||
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r918 | } | ||
| }; | ||||
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r922 | /** | ||
| * Specialization of PlottablesSetter for spectrograms | ||||
| * @sa SpectrogramSeries | ||||
| */ | ||||
| template <typename T> | ||||
| struct PlottablesSetter<T, | ||||
| typename std::enable_if_t<std::is_base_of<SpectrogramSeries, T>::value> > { | ||||
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r1307 | static void setProperties(PlottablesMap &plottables) | ||
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r922 | { | ||
| // Checks that for a spectrogram there is only one plottable, that is a colormap | ||||
| if (plottables.size() != 1) { | ||||
| return; | ||||
| } | ||||
| if (auto colormap = dynamic_cast<QCPColorMap *>(plottables.begin()->second)) { | ||||
| colormap->setInterpolate(false); // No value interpolation | ||||
| colormap->setTightBoundary(true); | ||||
| // Finds color scale in the colormap's plot to associate with it | ||||
| auto plot = colormap->parentPlot(); | ||||
| auto plotElements = plot->plotLayout()->elements(false); | ||||
| for (auto plotElement : plotElements) { | ||||
| if (auto colorScale = dynamic_cast<QCPColorScale *>(plotElement)) { | ||||
| colormap->setColorScale(colorScale); | ||||
| } | ||||
| } | ||||
| colormap->rescaleDataRange(); | ||||
| } | ||||
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r927 | else { | ||
| qCCritical(LOG_PlottablesRenderingUtils()) << "Can't get colormap of the spectrogram"; | ||||
| } | ||||
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r922 | } | ||
| }; | ||||
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r918 | /** | ||
| * Default implementation of IPlottablesHelper, which takes data series to set plottables properties | ||||
| * @tparam T the data series' type | ||||
| */ | ||||
| template <typename T> | ||||
| struct PlottablesHelper : public IPlottablesHelper { | ||||
| void setProperties(PlottablesMap &plottables) override | ||||
| { | ||||
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r1307 | PlottablesSetter<T>::setProperties(plottables); | ||
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r918 | } | ||
| }; | ||||
| } // namespace | ||||
| std::unique_ptr<IPlottablesHelper> | ||||
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r1307 | IPlottablesHelperFactory::create(const Variable &variable) noexcept | ||
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r918 | { | ||
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r1307 | switch (variable.type()) { | ||
| case DataSeriesType::SCALAR: | ||||
| return std::make_unique<PlottablesHelper<ScalarSeries> >(); | ||||
| case DataSeriesType::SPECTROGRAM: | ||||
| return std::make_unique<PlottablesHelper<SpectrogramSeries> >(); | ||||
| case DataSeriesType::VECTOR: | ||||
| return std::make_unique<PlottablesHelper<VectorSeries> >(); | ||||
| default: | ||||
| // Returns default helper | ||||
| break; | ||||
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r918 | } | ||
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r1307 | |||
| return std::make_unique<PlottablesHelper<IDataSeries> >(); | ||||
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r918 | } | ||