SimplePalette.h

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#pragma once
#include <misc/qt/Macros.h>
#include <pal/iface/PaletteInterface.h>
 
namespace sf
{
 
class SimplePalette : public PaletteInterface
{
    Q_OBJECT
    Q_PROPERTY(Mode mode READ getMode WRITE setMode)
    Q_PROPERTY(QColor colorFrom READ getColorFrom WRITE setColorFrom)
    Q_PROPERTY(QColor colorTo READ getColorTo WRITE setColorTo)
    Q_PROPERTY(QColor colorCenter READ getColorCenter WRITE setColorCenter)
    Q_PROPERTY(QString formula READ getFormula WRITE setFormula)
 
  public:
    enum Mode
    {
      /* Shifts the color rgb values linear */
      ShiftRgb,
      /* Shifts hue and value linear. */
      ShiftHsv,
      /* Shifts hue and lightness linear. */
      ShiftHsl,
    };
 
    Q_ENUM(Mode);
 
    explicit SimplePalette(const Parameters&);
 
    void addPropertyPages(PropertySheetDialog* sheet) override;
 
    /*
     * @brief Overridden from base class.
     */
    [[nodiscard]] ColorTable getColorTable() const override;
 
    /*
     * @brief Overridden from base class.
     */
    [[nodiscard]] qreal getCurveLevel(qreal x) const override;
 
    SF_DECL_PROP_GS(QColor, ColorFrom)
 
    SF_DECL_PROP_GS(QColor, ColorTo)
 
    SF_DECL_PROP_GS(QColor, ColorCenter)
 
    SF_DECL_PROP_GS(Mode, Mode)
 
    SF_DECL_PROP_GRS(QString, Formula)
 
  private:
    void notify(void*);
    QColor _colorFrom{Qt::red};
    QColor _colorTo{Qt::blue};
    QColor _colorCenter{0, 0, 0, 0};
    Mode _mode{ShiftRgb};
    QString _formula{};
};
 
}// namespace sf