KoGradientSegment::RGBColorInterpolationStrategy Class Reference

#include <KoSegmentGradient.h>

Inheritance diagram for KoGradientSegment::RGBColorInterpolationStrategy:

Public Member Functions
void	colorAt (KoColor &dst, qreal t, const KoColor &start, const KoColor &end) const override
int	type () const override
Public Member Functions inherited from KoGradientSegment::ColorInterpolationStrategy
	ColorInterpolationStrategy ()
virtual	~ColorInterpolationStrategy ()

Static Public Member Functions
static RGBColorInterpolationStrategy *	instance ()

Private Member Functions
	RGBColorInterpolationStrategy ()

Private Attributes
const KoColorSpace *const	m_colorSpace

Static Private Attributes
static RGBColorInterpolationStrategy *	m_instance = 0

Detailed Description

Definition at line 132 of file KoSegmentGradient.h.

Constructor & Destructor Documentation

RGBColorInterpolationStrategy()

KoGradientSegment::RGBColorInterpolationStrategy::RGBColorInterpolationStrategy ( )

private

Definition at line 616 of file KoSegmentGradient.cpp.

    : m_colorSpace(KoColorSpaceRegistry::instance()->rgb16(KoColorSpaceRegistry::instance()->p709SRGBProfile()))
{
}

Member Function Documentation

colorAt()

void KoGradientSegment::RGBColorInterpolationStrategy::colorAt ( KoColor & dst, qreal t, const KoColor & start, const KoColor & end ) const

overridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 631 of file KoSegmentGradient.cpp.

{
    const KoColorSpace *mixSpace = dst.colorSpace();
 
    KoColor startDummy(_start, mixSpace);
    KoColor endDummy(_end, mixSpace);
 
    const std::array<quint8*, 2> colors = {{startDummy.data(), endDummy.data()}};
 
    std::array<qint16, 2> colorWeights{};
    colorWeights[0] = std::lround((1.0 - t) * qint16_MAX);
    colorWeights[1] = qint16_MAX - colorWeights[0];
 
    mixSpace->mixColorsOp()->mixColors(colors.data(), colorWeights.data(), 2, dst.data(), qint16_MAX);
}

References KoColor::colorSpace(), KoColor::data(), KoMixColorsOp::mixColors(), KoColorSpace::mixColorsOp, and qint16_MAX.

instance()

KoGradientSegment::RGBColorInterpolationStrategy * KoGradientSegment::RGBColorInterpolationStrategy::instance ( )

static

Definition at line 621 of file KoSegmentGradient.cpp.

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

type()

int KoGradientSegment::RGBColorInterpolationStrategy::type ( ) const

inlineoverridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 138 of file KoSegmentGradient.h.

                                  {
            return COLOR_INTERP_RGB;
        }

References COLOR_INTERP_RGB.

Member Data Documentation

m_colorSpace

const KoColorSpace* const KoGradientSegment::RGBColorInterpolationStrategy::m_colorSpace

private

Definition at line 146 of file KoSegmentGradient.h.

m_instance

KoGradientSegment::RGBColorInterpolationStrategy * KoGradientSegment::RGBColorInterpolationStrategy::m_instance = 0

staticprivate

Definition at line 145 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