#include <KisColorSelectionPolicies.h>

Inheritance diagram for KisColorSelectionPolicies::SlowDifferencePolicy:

Public Member Functions
ALWAYS_INLINE quint8	difference (const quint8 *colorPtr) const

	SlowDifferencePolicy (const KoColor &referenceColor, int threshold)

Protected Attributes
const KoColorSpace *	m_colorSpace

KoColor	m_referenceColor

const bool	m_referenceColorIsTransparent

const quint8 *	m_referenceColorPtr

int	m_threshold

Detailed Description

Definition at line 20 of file KisColorSelectionPolicies.h.

Constructor & Destructor Documentation

◆ SlowDifferencePolicy()

KisColorSelectionPolicies::SlowDifferencePolicy::SlowDifferencePolicy	(	const KoColor &	referenceColor,
		int	threshold )

inline

Definition at line 23 of file KisColorSelectionPolicies.h.

        : m_colorSpace(referenceColor.colorSpace())
        , m_referenceColor(referenceColor)
        , m_referenceColorPtr(m_referenceColor.data())
        , m_referenceColorIsTransparent(m_colorSpace->opacityU8(m_referenceColorPtr) == OPACITY_TRANSPARENT_U8)
        , m_threshold(threshold)
    {}

Member Function Documentation

◆ difference()

ALWAYS_INLINE quint8 KisColorSelectionPolicies::SlowDifferencePolicy::difference ( const quint8 * colorPtr ) const

inline

Definition at line 31 of file KisColorSelectionPolicies.h.

    {
        if (m_threshold == 1) {
            const bool colorIsTransparent = (m_colorSpace->opacityU8(colorPtr) == OPACITY_TRANSPARENT_U8);
            if ((m_referenceColorIsTransparent && colorIsTransparent) ||
                memcmp(m_referenceColorPtr, colorPtr, m_colorSpace->pixelSize()) == 0) {
                return 0;
            }
            return quint8_MAX;
        }
        else {
            return m_colorSpace->differenceA(m_referenceColorPtr, colorPtr);
        }
    }