singlebandpseudocolorrenderer.h

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#ifndef OPENSWMM_RENDER_SINGLEBANDPSEUDOCOLORRENDERER_H
#define OPENSWMM_RENDER_SINGLEBANDPSEUDOCOLORRENDERER_H
 
#include "render/irasterrenderer.h"
#include "render/colorramp.h"   // RampInterp — match legacy ramp fidelity (P5/R-1)
 
#include <QColor>
#include <QList>
#include <QPair>
 
namespace OpenSWMM::Render
{
 
class SingleBandPseudoColorRenderer final : public IRasterRenderer
{
public:
    using Stop = QPair<double, QColor>;
 
    SingleBandPseudoColorRenderer() = default;
    ~SingleBandPseudoColorRenderer() override = default;
 
    [[nodiscard]] double minValue() const { return m_minValue; }
    [[nodiscard]] double maxValue() const { return m_maxValue; }
    void setRange(double minValue, double maxValue);
 
    [[nodiscard]] const QList<Stop> &stops() const { return m_stops; }
    void setStops(QList<Stop> stops);
 
    [[nodiscard]] bool clampMin() const { return m_clampMin; }
    void setClampMin(bool clamp) { m_clampMin = clamp; }
 
    [[nodiscard]] bool clampMax() const { return m_clampMax; }
    void setClampMax(bool clamp) { m_clampMax = clamp; }
 
    [[nodiscard]] RampInterp interp() const { return m_interp; }
    void setInterp(RampInterp i) { m_interp = i; }
 
    // IRasterRenderer.
    [[nodiscard]] QString rendererId() const override
    {
        return QStringLiteral("singlebandpseudocolor");
    }
    [[nodiscard]] QColor colorForValue(double value,
                                       bool isNoData = false) const override;
    [[nodiscard]] QList<LegendSymbolItem> legendSymbolItems() const override;
    [[nodiscard]] QJsonObject toJson() const override;
    void fromJson(const QJsonObject &j) override;
    [[nodiscard]] std::unique_ptr<IRasterRenderer> clone() const override;
 
private:
    double        m_minValue = 0.0;
    double        m_maxValue = 1.0;
    QList<Stop>   m_stops;
    bool          m_clampMin = false;
    bool          m_clampMax = false;
    RampInterp    m_interp   = RampInterp::Rgb;
};
 
} // namespace OpenSWMM::Render
 
#endif // OPENSWMM_RENDER_SINGLEBANDPSEUDOCOLORRENDERER_H