kis_math_toolbox.cpp File Reference

#include "kis_math_toolbox.h"
#include <KoConfig.h>
#include <QVector>
#include <QGlobalStatic>
#include <KoColorSpaceMaths.h>
#include <kis_debug.h>
#include "kis_iterator_ng.h"
#include "math.h"

Go to the source code of this file.

Functions
template<typename T >
void	fromDouble (quint8 *data, int channelpos, double v)
template<typename T >
void	fromDoubleCheckNull (quint8 *data, int channelpos, double v, bool *isNull)
template<typename T >
void	fromDoubleCheckNullF (quint8 *data, int channelpos, double v, bool *isNull)
template<typename T >
void	fromDoubleF (quint8 *data, int channelpos, double v)
template<typename T >
double	toDouble (const quint8 *data, int channelpos)

Function Documentation

fromDouble()

template<typename T >

void fromDouble	(	quint8 *	data,
		int	channelpos,
		double	v )

Definition at line 34 of file kis_math_toolbox.cpp.

{
    *((T*)(data + channelpos)) = (T)qRound(v);
}

References v.

fromDoubleCheckNull()

template<typename T >

void fromDoubleCheckNull	(	quint8 *	data,
		int	channelpos,
		double	v,
		bool *	isNull )

Definition at line 46 of file kis_math_toolbox.cpp.

{
    T value = qRound(v);
    *((T*)(data + channelpos)) = value;
    *isNull = value == T(0);
}

References v, and value().

fromDoubleCheckNullF()

template<typename T >

void fromDoubleCheckNullF	(	quint8 *	data,
		int	channelpos,
		double	v,
		bool *	isNull )

Definition at line 54 of file kis_math_toolbox.cpp.

{
    T value = v;
    *((T*)(data + channelpos)) = (T)v;
    *isNull = value < std::numeric_limits<T>::epsilon();
}

References v, and value().

fromDoubleF()

template<typename T >

void fromDoubleF	(	quint8 *	data,
		int	channelpos,
		double	v )

Definition at line 40 of file kis_math_toolbox.cpp.

{
    *((T*)(data + channelpos)) = (T)v;
}

References v.

toDouble()

template<typename T >

double toDouble ( const quint8 * data, int channelpos )

inline

Definition at line 28 of file kis_math_toolbox.cpp.

{
    return (double)(*((T*)(data + channelpos)));
}