KoGradientSegment::SphereIncreasingInterpolationStrategy Class Reference

#include <KoSegmentGradient.h>

Inheritance diagram for KoGradientSegment::SphereIncreasingInterpolationStrategy:

Public Member Functions
int	type () const override
qreal	valueAt (qreal t, qreal middle) const override
Public Member Functions inherited from KoGradientSegment::InterpolationStrategy
	InterpolationStrategy ()
virtual	~InterpolationStrategy ()

Static Public Member Functions
static SphereIncreasingInterpolationStrategy *	instance ()

Private Member Functions
	SphereIncreasingInterpolationStrategy ()

Static Private Attributes
static SphereIncreasingInterpolationStrategy *	m_instance = 0

Detailed Description

Definition at line 228 of file KoSegmentGradient.h.

Constructor & Destructor Documentation

SphereIncreasingInterpolationStrategy()

KoGradientSegment::SphereIncreasingInterpolationStrategy::SphereIncreasingInterpolationStrategy ( )

inlineprivate

Definition at line 238 of file KoSegmentGradient.h.

{}

Member Function Documentation

instance()

KoGradientSegment::SphereIncreasingInterpolationStrategy * KoGradientSegment::SphereIncreasingInterpolationStrategy::instance ( )

static

Definition at line 826 of file KoSegmentGradient.cpp.

{
    if (m_instance == 0) {
        m_instance = new SphereIncreasingInterpolationStrategy();
        Q_CHECK_PTR(m_instance);
    }
 
    return m_instance;
}

type()

int KoGradientSegment::SphereIncreasingInterpolationStrategy::type ( ) const

inlineoverridevirtual

Implements KoGradientSegment::InterpolationStrategy.

Definition at line 234 of file KoSegmentGradient.h.

                                  {
            return INTERP_SPHERE_INCREASING;
        }

References INTERP_SPHERE_INCREASING.

valueAt()

qreal KoGradientSegment::SphereIncreasingInterpolationStrategy::valueAt ( qreal t, qreal middle ) const

overridevirtual

Implements KoGradientSegment::InterpolationStrategy.

Definition at line 836 of file KoSegmentGradient.cpp.

{
    qreal lt = LinearInterpolationStrategy::calcValueAt(t, middle) - 1;
    qreal value = sqrt(1 - lt * lt);
 
    return value;
}

References KoGradientSegment::LinearInterpolationStrategy::calcValueAt(), and value().

Member Data Documentation

m_instance

KoGradientSegment::SphereIncreasingInterpolationStrategy * KoGradientSegment::SphereIncreasingInterpolationStrategy::m_instance = 0

staticprivate

Definition at line 240 of file KoSegmentGradient.h.

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

• libs/pigment/resources/KoSegmentGradient.h
• libs/pigment/resources/KoSegmentGradient.cpp