##// END OF EJS Templates
Changes the name of the mokc plugin nodes to facilitate their access in the merged tree
Changes the name of the mokc plugin nodes to facilitate their access in the merged tree

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PlottablesRenderingUtils.cpp
122 lines | 4.1 KiB | text/x-c | CppLexer
/ gui / src / Visualization / PlottablesRenderingUtils.cpp
#include "Visualization/PlottablesRenderingUtils.h"
#include <Common/ColorUtils.h>
#include <Data/ScalarSeries.h>
#include <Data/SpectrogramSeries.h>
#include <Data/VectorSeries.h>
#include <Visualization/qcustomplot.h>
Q_LOGGING_CATEGORY(LOG_PlottablesRenderingUtils, "PlottablesRenderingUtils")
namespace {
/**
* Delegate used to set plottables properties
*/
template <typename T, typename Enabled = void>
struct PlottablesSetter {
static void setProperties(T &, PlottablesMap &)
{
// Default implementation does nothing
qCCritical(LOG_PlottablesRenderingUtils())
<< "Can't set plottables properties: unmanaged type of data";
}
};
/**
* 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> > {
static void setProperties(T &dataSeries, PlottablesMap &plottables)
{
// Gets the number of components of the data series
dataSeries.lockRead();
auto componentCount = dataSeries.valuesData()->componentCount();
dataSeries.unlock();
// 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) {
auto graph = plottables.at(i);
graph->setPen(QPen{colors.at(i)});
}
}
};
/**
* 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> > {
static void setProperties(T &, PlottablesMap &plottables)
{
// 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();
}
else {
qCCritical(LOG_PlottablesRenderingUtils()) << "Can't get colormap of the spectrogram";
}
}
};
/**
* 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 {
explicit PlottablesHelper(T &dataSeries) : m_DataSeries{dataSeries} {}
void setProperties(PlottablesMap &plottables) override
{
PlottablesSetter<T>::setProperties(m_DataSeries, plottables);
}
T &m_DataSeries;
};
} // namespace
std::unique_ptr<IPlottablesHelper>
IPlottablesHelperFactory::create(std::shared_ptr<IDataSeries> dataSeries) noexcept
{
if (auto scalarSeries = std::dynamic_pointer_cast<ScalarSeries>(dataSeries)) {
return std::make_unique<PlottablesHelper<ScalarSeries> >(*scalarSeries);
}
else if (auto spectrogramSeries = std::dynamic_pointer_cast<SpectrogramSeries>(dataSeries)) {
return std::make_unique<PlottablesHelper<SpectrogramSeries> >(*spectrogramSeries);
}
else if (auto vectorSeries = std::dynamic_pointer_cast<VectorSeries>(dataSeries)) {
return std::make_unique<PlottablesHelper<VectorSeries> >(*vectorSeries);
}
else {
return std::make_unique<PlottablesHelper<IDataSeries> >(*dataSeries);
}
}