KoGradientSegment::HSVCWColorInterpolationStrategy Class Reference

#include <KoSegmentGradient.h>

Inheritance diagram for KoGradientSegment::HSVCWColorInterpolationStrategy:

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 HSVCWColorInterpolationStrategy *	instance ()

Private Member Functions
	HSVCWColorInterpolationStrategy ()

Private Attributes
const KoColorSpace *const	m_colorSpace

Static Private Attributes
static HSVCWColorInterpolationStrategy *	m_instance = 0

Detailed Description

Definition at line 149 of file KoSegmentGradient.h.

Constructor & Destructor Documentation

HSVCWColorInterpolationStrategy()

KoGradientSegment::HSVCWColorInterpolationStrategy::HSVCWColorInterpolationStrategy ( )

private

Definition at line 647 of file KoSegmentGradient.cpp.

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

Member Function Documentation

colorAt()

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

overridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 662 of file KoSegmentGradient.cpp.

{
    QColor sc;
    QColor ec;
 
    start.toQColor(&sc);
    end.toQColor(&ec);
 
    int s = static_cast<int>(sc.saturation() + t * (ec.saturation() - sc.saturation()) + 0.5);
    int v = static_cast<int>(sc.value() + t * (ec.value() - sc.value()) + 0.5);
    int h;
 
    if (ec.hue() < sc.hue()) {
        h = static_cast<int>(ec.hue() + (1 - t) * (sc.hue() - ec.hue()) + 0.5);
    } else {
        h = static_cast<int>(ec.hue() + (1 - t) * (360 - ec.hue() + sc.hue()) + 0.5);
 
        if (h > 359) {
            h -= 360;
        }
    }
 
    qreal opacity{sc.alphaF() + t * (ec.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::HSVCWColorInterpolationStrategy * KoGradientSegment::HSVCWColorInterpolationStrategy::instance ( )

static

Definition at line 652 of file KoSegmentGradient.cpp.

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

type()

int KoGradientSegment::HSVCWColorInterpolationStrategy::type ( ) const

inlineoverridevirtual

Implements KoGradientSegment::ColorInterpolationStrategy.

Definition at line 155 of file KoSegmentGradient.h.

                                  {
            return COLOR_INTERP_HSV_CW;
        }

References COLOR_INTERP_HSV_CW.

Member Data Documentation

m_colorSpace

const KoColorSpace* const KoGradientSegment::HSVCWColorInterpolationStrategy::m_colorSpace

private

Definition at line 162 of file KoSegmentGradient.h.

m_instance

KoGradientSegment::HSVCWColorInterpolationStrategy * KoGradientSegment::HSVCWColorInterpolationStrategy::m_instance = 0

staticprivate

Definition at line 161 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