DeformLens Class Reference

Inverse lens distortion. More...

#include <deform_brush.h>

Inheritance diagram for DeformLens:

Public Member Functions
void	setLensFactor (qreal k1, qreal k2)
void	setMaxDistance (qreal maxX, qreal maxY)
void	setMode (bool out)
void	transform (qreal *maskX, qreal *maskY, qreal distance, KisRandomSourceSP randomSource) override
Public Member Functions inherited from DeformBase
	DeformBase ()
virtual	~DeformBase ()

Private Attributes
qreal	m_k1 {0.0}
qreal	m_k2 {0.0}
qreal	m_maxX {0.0}
qreal	m_maxY {0.0}
bool	m_out {false}

Detailed Description

Inverse lens distortion.

Definition at line 109 of file deform_brush.h.

Member Function Documentation

setLensFactor()

void DeformLens::setLensFactor ( qreal k1, qreal k2 )

inline

Definition at line 112 of file deform_brush.h.

                                           {
        m_k1 = k1;
        m_k2 = k2;
    }

References m_k1, and m_k2.

setMaxDistance()

void DeformLens::setMaxDistance ( qreal maxX, qreal maxY )

inline

Definition at line 116 of file deform_brush.h.

                                                {
        m_maxX = maxX;
        m_maxY = maxY;
    }

References m_maxX, and m_maxY.

setMode()

void DeformLens::setMode ( bool out )

inline

Definition at line 120 of file deform_brush.h.

                           {
        m_out = out;
    }

References m_out.

transform()

void DeformLens::transform ( qreal * maskX, qreal * maskY, qreal distance, KisRandomSourceSP randomSource )

inlineoverridevirtual

Reimplemented from DeformBase.

Definition at line 124 of file deform_brush.h.

                                                                                                        {
        Q_UNUSED(distance);
        Q_UNUSED(randomSource);
        //normalize
        qreal normX = *maskX / m_maxX;
        qreal normY = *maskY / m_maxY;
 
        qreal radius_2 = normX * normX  + normY * normY;
        qreal radius_4 = radius_2 * radius_2;
 
        if (m_out) {
            *maskX = normX * (1.0 + m_k1 * radius_2 + m_k2 * radius_4);
            *maskY = normY * (1.0 + m_k1 * radius_2 + m_k2 * radius_4);
        }
        else {
            *maskX = normX / (1.0 + m_k1 * radius_2 + m_k2 * radius_4);
            *maskY = normY / (1.0 + m_k1 * radius_2 + m_k2 * radius_4);
        }
 
        *maskX = m_maxX * (*maskX);
        *maskY = m_maxY * (*maskY);
    }

References distance(), m_k1, m_k2, m_maxX, m_maxY, and m_out.

Member Data Documentation

m_k1

qreal DeformLens::m_k1 {0.0}

private

Definition at line 148 of file deform_brush.h.

{0.0}, m_k2 {0.0};

m_k2

qreal DeformLens::m_k2 {0.0}

private

Definition at line 148 of file deform_brush.h.

{0.0}, m_k2 {0.0};

m_maxX

qreal DeformLens::m_maxX {0.0}

private

Definition at line 149 of file deform_brush.h.

{0.0}, m_maxY {0.0};

m_maxY

qreal DeformLens::m_maxY {0.0}

private

Definition at line 149 of file deform_brush.h.

{0.0}, m_maxY {0.0};

m_out

bool DeformLens::m_out {false}

private

Definition at line 150 of file deform_brush.h.

{false};

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

• plugins/paintops/deform/deform_brush.h