KisScreentoneScreentoneFunctions::DotsRoundSinusoidalEqualized Class Reference

#include <KisScreentoneScreentoneFunctions.h>

Inheritance diagram for KisScreentoneScreentoneFunctions::DotsRoundSinusoidalEqualized:

Public Member Functions
qreal	operator() (qreal x, qreal y) const
Public Member Functions inherited from KisScreentoneScreentoneFunctions::DotsRoundSinusoidal
qreal	operator() (qreal x, qreal y) const

Detailed Description

Definition at line 89 of file KisScreentoneScreentoneFunctions.h.

Member Function Documentation

operator()()

qreal KisScreentoneScreentoneFunctions::DotsRoundSinusoidalEqualized::operator()	(	qreal	x,
		qreal	y ) const

Definition at line 70 of file KisScreentoneScreentoneFunctions.cpp.

{
    // Here the cumulative function is a piecewise function obtained empirically
    // by fitting some simple curves to a list of points
    const qreal z = DotsRoundSinusoidal::operator()(x, y);
    if (z <= 0.5) {
        return M_SQRT2 / 2.0 - std::sqrt(-(z - 0.5469) / 1.0938);
    } else {
        return (1.0 - M_SQRT2 / 2.0) + std::sqrt((z - (1.0 - 0.5469)) / 1.0938);
    }
}

References KisScreentoneScreentoneFunctions::DotsRoundSinusoidal::operator()().

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The documentation for this class was generated from the following files:

• plugins/generators/screentone/KisScreentoneScreentoneFunctions.h
• plugins/generators/screentone/KisScreentoneScreentoneFunctions.cpp