KoGradientSegment::HSVCCWColorInterpolationStrategy Class Reference

#include <KoSegmentGradient.h>

Inheritance diagram for KoGradientSegment::HSVCCWColorInterpolationStrategy:

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 HSVCCWColorInterpolationStrategy *	instance ()

Private Member Functions
	HSVCCWColorInterpolationStrategy ()

Private Attributes
const KoColorSpace *const	m_colorSpace

Static Private Attributes
static HSVCCWColorInterpolationStrategy *	m_instance = 0

Detailed Description

Definition at line 165 of file KoSegmentGradient.h.

Constructor & Destructor Documentation

HSVCCWColorInterpolationStrategy()

KoGradientSegment::HSVCCWColorInterpolationStrategy::HSVCCWColorInterpolationStrategy ( )

private

Definition at line 692 of file KoSegmentGradient.cpp.

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

Member Function Documentation

colorAt()

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

overridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 708 of file KoSegmentGradient.cpp.

{
    QColor sc;
    QColor se;
 
    start.toQColor(&sc);
    end.toQColor(&se);
 
    int s = static_cast<int>(sc.saturation() + t * (se.saturation() - sc.saturation()) + 0.5);
    int v = static_cast<int>(sc.value() + t * (se.value() - sc.value()) + 0.5);
    int h;
 
    if (sc.hue() < se.hue()) {
        h = static_cast<int>(sc.hue() + t * (se.hue() - sc.hue()) + 0.5);
    } else {
        h = static_cast<int>(sc.hue() + t * (360 - sc.hue() + se.hue()) + 0.5);
 
        if (h > 359) {
            h -= 360;
        }
    }
 
    qreal opacity = sc.alphaF() + t * (se.alphaF() - sc.alphaF());
 
    QColor result;
    result.setHsv(h, s, v);
    result.setAlphaF(opacity);
    dst.fromQColor(result);
}

References KoColor::fromQColor(), KoColor::toQColor(), and v.

instance()

KoGradientSegment::HSVCCWColorInterpolationStrategy * KoGradientSegment::HSVCCWColorInterpolationStrategy::instance ( )

static

Definition at line 698 of file KoSegmentGradient.cpp.

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

type()

int KoGradientSegment::HSVCCWColorInterpolationStrategy::type ( ) const

inlineoverridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 171 of file KoSegmentGradient.h.

                                  {
            return COLOR_INTERP_HSV_CCW;
        }

References COLOR_INTERP_HSV_CCW.

Member Data Documentation

m_colorSpace

const KoColorSpace* const KoGradientSegment::HSVCCWColorInterpolationStrategy::m_colorSpace

private

Definition at line 178 of file KoSegmentGradient.h.

m_instance

KoGradientSegment::HSVCCWColorInterpolationStrategy * KoGradientSegment::HSVCCWColorInterpolationStrategy::m_instance = 0

staticprivate

Definition at line 177 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