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#ifndef VORONOISPLAT_H
#define VORONOISPLAT_H
#include <QQuickFramebufferObject>
#include <armadillo>
#include "colorscale.h"
#include "scale.h"
class VoronoiSplat
: public QQuickFramebufferObject
{
Q_OBJECT
Q_PROPERTY(float alpha READ alpha WRITE setAlpha NOTIFY alphaChanged)
Q_PROPERTY(float beta READ beta WRITE setBeta NOTIFY betaChanged)
public:
static const int SAMPLES = 128;
VoronoiSplat(QQuickItem *parent = 0);
Renderer *createRenderer() const;
const std::vector<float> &sites() const { return m_sites; }
const std::vector<float> &values() const { return m_values; }
const std::vector<float> &colorScale() const { return m_cmap; }
LinearScale<float> scaleX() const { return m_sx; }
LinearScale<float> scaleY() const { return m_sy; }
float alpha() const { return m_alpha; }
float beta() const { return m_beta; }
bool sitesChanged() const { return m_sitesChanged; }
bool valuesChanged() const { return m_valuesChanged; }
bool colorScaleChanged() const { return m_colorScaleChanged; }
void setSitesChanged(bool sitesChanged) {
m_sitesChanged = sitesChanged;
}
void setValuesChanged(bool valuesChanged) {
m_valuesChanged = valuesChanged;
}
void setColorScaleChanged(bool colorScaleChanged) {
m_colorScaleChanged = colorScaleChanged;
}
signals:
void sitesChanged(const arma::mat &sites) const;
void valuesChanged(const arma::vec &values) const;
void colorScaleChanged(const ColorScale *scale) const;
void scaleChanged(const LinearScale<float> &sx,
const LinearScale<float> &sy) const;
void alphaChanged(float alpha) const;
void betaChanged(float alpha) const;
public slots:
// 'points' should be a 2D points matrix (each point in a row)
void setSites(const arma::mat &points);
// Set the value to be colorScaleped in each site
void setValues(const arma::vec &values);
// Set colorScale data based on the given color scale
void setColorScale(const ColorScale *scale);
void setScale(const LinearScale<float> &sx,
const LinearScale<float> &sy);
// Shepard blur radius
void setAlpha(float alpha);
// Maximum blur radius
void setBeta(float beta);
private:
std::vector<float> m_sites, m_values, m_cmap;
LinearScale<float> m_sx, m_sy;
float m_alpha, m_beta;
bool m_sitesChanged, m_valuesChanged, m_colorScaleChanged;
};
#endif // VORONOISPLAT_H
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