XXRainbowRectangle.h

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#ifndef RainbowRectangleH
#define RainbowRectangleH
 
#include <QQuickPaintedItem>
 
#include <QLinearGradient>
 
#include <XXRainbow.h>
 
namespace XX
{
 
   class RainbowRectangle : public QQuickPaintedItem
   {
      Q_OBJECT
      QML_NAMED_ELEMENT(RainbowRectangle)
 
      Q_PROPERTY(int shade READ getShade WRITE setShade)
      Q_PROPERTY(double stretch READ getStretch WRITE setStretch)
      Q_PROPERTY(double rotation READ getRotation WRITE setRotation)
      Q_PROPERTY(uint speed READ getSpeed WRITE setSpeed)
 
   public:
      RainbowRectangle(QQuickItem* parent = nullptr);
 
   private:
      int getShade() const;
      void setShade(const int& value);
 
      double getStretch() const;
      void setStretch(const double& value);
 
      double getRotation() const;
      void setRotation(const double& value);
 
      uint getSpeed() const;
      void setSpeed(const uint& value);
 
      void updateGradientDirection();
      void updateGradientColor();
 
      void paint(QPainter* painter) override;
 
   private:
      int shade;
      double stretch;
      double rotation;
      uint speed;
      XX::Rainbow rainbow;
      QLinearGradient gradient;
   };
} // namespace XX
 
#endif // NOT RainbowRectangleH