KisPlainColorSource Class Reference

#include <kis_color_source.h>

Inheritance diagram for KisPlainColorSource:

Public Member Functions
	KisPlainColorSource (const KoColor &backGroundColor, const KoColor &foreGroundColor)
void	selectColor (double mix, const KisPaintInformation &pi) override
	~KisPlainColorSource () override
Public Member Functions inherited from KisUniformColorSource
void	applyColorTransformation (const KoColorTransformation *transfo) override
void	colorize (KisPaintDeviceSP, const QRect &rect, const QPoint &offset) const override
const KoColorSpace *	colorSpace () const override
	KisUniformColorSource ()
virtual void	resize (double, double)
virtual void	rotate (double)
const KoColor &	uniformColor () const
	~KisUniformColorSource () override
Public Member Functions inherited from KisColorSource
virtual	~KisColorSource ()

Private Attributes
KoColor	m_backGroundColor
KoColor	m_cachedBackGroundColor
KoColor	m_foreGroundColor

Additional Inherited Members
Protected Attributes inherited from KisUniformColorSource
KoColor	m_color

Detailed Description

Definition at line 66 of file kis_color_source.h.

Constructor & Destructor Documentation

KisPlainColorSource()

KisPlainColorSource::KisPlainColorSource	(	const KoColor &	backGroundColor,
		const KoColor &	foreGroundColor )

Definition at line 70 of file kis_color_source.cpp.

    : m_backGroundColor(backGroundColor)
    , m_cachedBackGroundColor(backGroundColor)
    , m_foreGroundColor(foreGroundColor)
{
}

~KisPlainColorSource()

KisPlainColorSource::~KisPlainColorSource ( )

override

Definition at line 77 of file kis_color_source.cpp.

{
}

Member Function Documentation

selectColor()

void KisPlainColorSource::selectColor ( double mix, const KisPaintInformation & pi )

overridevirtual

This is function is called to initialize the color that will be used for the dab.

Parameters

mix	is a parameter between 0.0 and 1.0
pi	paint information

Implements KisColorSource.

Definition at line 81 of file kis_color_source.cpp.

{
    Q_UNUSED(pi);
 
    if (m_color.colorSpace() != m_foreGroundColor.colorSpace()) {
        m_color = KoColor(m_foreGroundColor.colorSpace());
        m_cachedBackGroundColor = KoColor(m_foreGroundColor.colorSpace());
        m_cachedBackGroundColor.fromKoColor(m_backGroundColor);
    }
 
    const quint8 *colors[2];
    colors[0] = m_cachedBackGroundColor.data();
    colors[1] = m_foreGroundColor.data();
 
    // equally distribute mix factor over [0..255]
    // mix * 256 ensures that, with exception of mix==1.0, which gets special handling
    const int weight = (mix == 1.0) ? 255 : (int)(mix * 256);
    const qint16 weights[2] = { (qint16)(255 - weight), (qint16)weight };
 
    m_color.colorSpace()->mixColorsOp()->mixColors(colors, weights, 2, m_color.data());
}

References KoColor::colorSpace(), KoColor::data(), KoColor::fromKoColor(), m_backGroundColor, m_cachedBackGroundColor, KisUniformColorSource::m_color, m_foreGroundColor, KoMixColorsOp::mixColors(), and KoColorSpace::mixColorsOp.

Member Data Documentation

m_backGroundColor

KoColor KisPlainColorSource::m_backGroundColor

private

Definition at line 73 of file kis_color_source.h.

m_cachedBackGroundColor

KoColor KisPlainColorSource::m_cachedBackGroundColor

private

Definition at line 74 of file kis_color_source.h.

m_foreGroundColor

KoColor KisPlainColorSource::m_foreGroundColor

private

Definition at line 75 of file kis_color_source.h.

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

• plugins/paintops/libpaintop/kis_color_source.h
• plugins/paintops/libpaintop/kis_color_source.cpp