datadefined.h

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#ifndef OPENSWMM_RENDER_DATADEFINED_H
#define OPENSWMM_RENDER_DATADEFINED_H
 
#include <QJsonObject>
#include <QString>
 
namespace OpenSWMM::Render
{
 
enum class DDCurve : int
{
    Linear = 0,
    Sqrt   = 1,    
    Log    = 2,    
};
 
struct DataDefinedScalar
{
    QString  attribute;             
    double   valueMin = 0.0;        
    double   valueMax = 1.0;        
    double   outMin   = 2.0;        
    double   outMax   = 12.0;       
    DDCurve  curve    = DDCurve::Linear;
 
    [[nodiscard]] double evaluate(double value) const;
 
    [[nodiscard]] bool   isValid() const;
 
    [[nodiscard]] QJsonObject toJson() const;
    static DataDefinedScalar  fromJson(const QJsonObject &j);
};
 
} // namespace OpenSWMM::Render
 
#endif // OPENSWMM_RENDER_DATADEFINED_H