##// END OF EJS Templates
Implements test execute() method...
Implements test execute() method For each iteration of the test, this method generates available operations according to states of the variables, and execute an operation that has been chosen randomly.

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SqpColorScale.cpp
60 lines | 1.8 KiB | text/x-c | CppLexer
#include "Visualization/SqpColorScale.h"
#include <Data/DataSeriesUtils.h>
#include <Visualization/QCPColorMapIterator.h>
Q_LOGGING_CATEGORY(LOG_SqpColorScale, "SqpColorScale")
namespace {
const auto DEFAULT_GRADIENT_PRESET = QCPColorGradient::gpJet;
const auto DEFAULT_RANGE = QCPRange{1.0e3, 1.7e7};
} // namespace
std::pair<double, double> SqpColorScale::computeThresholds(const SqpColorScale &scale)
{
auto qcpScale = scale.m_Scale;
auto colorMaps = qcpScale->colorMaps();
if (colorMaps.size() != 1) {
return {std::numeric_limits<double>::quiet_NaN(), std::numeric_limits<double>::quiet_NaN()};
}
// Computes thresholds
auto isLogarithmicScale = qcpScale->dataScaleType() == QCPAxis::stLogarithmic;
auto colorMapData = colorMaps.first()->data();
QCPColorMapIterator begin{colorMapData, true};
QCPColorMapIterator end{colorMapData, false};
return DataSeriesUtils::thresholds(begin, end, isLogarithmicScale);
}
SqpColorScale::SqpColorScale(QCustomPlot &plot)
: m_Scale{new QCPColorScale{&plot}},
m_AutomaticThreshold{false},
m_GradientPreset{DEFAULT_GRADIENT_PRESET}
{
m_Scale->setGradient(m_GradientPreset);
m_Scale->setDataRange(DEFAULT_RANGE);
}
void SqpColorScale::updateDataRange() noexcept
{
// Updates data range only if mode is automatic
if (!m_AutomaticThreshold) {
return;
}
double minThreshold, maxThreshold;
std::tie(minThreshold, maxThreshold) = computeThresholds(*this);
if (std::isnan(minThreshold) || std::isnan(maxThreshold)) {
qCCritical(LOG_SqpColorScale())
<< "Can't update data range of color scale: thresholds computed are invalid";
return;
}
// Updates thresholds
m_Scale->setDataRange({minThreshold, maxThreshold});
}