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#ifndef TEXT_TICK_SET_H
#define TEXT_TICK_SET_H
#include "tickset.h"
#include <vector>
class TextTickSet final : public TickSet {
public:
TextTickSet(const std::vector<std::pair<double, std::string>>& labels,
size_t sizeRequest)
: _sizeRequest(sizeRequest), _labels(labels) {
set(sizeRequest);
}
std::unique_ptr<TickSet> Clone() const override {
return std::make_unique<TextTickSet>(*this);
}
size_t Size() const override { return _ticks.size(); }
Tick GetTick(size_t i) const override {
const size_t labelIndex = _ticks[i];
const double x = _labels[labelIndex].first;
const double min = _labels.front().first;
const double max = _labels.back().first;
if (max - min == 0.0)
return Tick(0.5, _labels[labelIndex].second);
else
return Tick((x - min) / (max - min), _labels[labelIndex].second);
}
void Reset() final override {
_ticks.clear();
set(_sizeRequest);
}
void Set(size_t maxSize) final override {
_ticks.clear();
set(maxSize);
}
double UnitToAxis(double) const final override { return 0.0; }
double AxisToUnit(double) const final override { return 0.0; }
private:
void set(size_t sizeRequest) {
if (sizeRequest > _labels.size()) sizeRequest = _labels.size();
const size_t stepSize =
(size_t)std::ceil((double)_labels.size() / (double)sizeRequest);
for (size_t tick = 0; tick < _labels.size(); tick += stepSize)
_ticks.push_back(tick);
}
size_t _sizeRequest;
std::vector<std::pair<double, std::string>> _labels;
std::vector<size_t> _ticks;
};
#endif
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