KDChart::CoordinateTransformation Struct Reference

#include <CartesianCoordinateTransformation.h>

Collaboration diagram for KDChart::CoordinateTransformation:

Public Member Functions
	CoordinateTransformation ()
qreal	logTransform (qreal value, bool isPositiveRange) const
qreal	logTransformBack (qreal value, bool wasPositive) const
QPointF	translate (const QPointF &dataPoint) const
const QPointF	translateBack (const QPointF &screenPoint) const
void	updateTransform (const QRectF &constDataRect, const QRectF &screenRect)

Public Attributes
CartesianCoordinatePlane::AxesCalcMode	axesCalcModeX = CartesianCoordinatePlane::Linear
CartesianCoordinatePlane::AxesCalcMode	axesCalcModeY = CartesianCoordinatePlane::Linear
QTransform	backTransform
bool	isPositiveX = true
bool	isPositiveY = true
QTransform	transform
ZoomParameters	zoom

Detailed Description

Definition at line 31 of file CartesianCoordinateTransformation.h.

Constructor & Destructor Documentation

CoordinateTransformation()

KDChart::CoordinateTransformation::CoordinateTransformation ( )

inline

Definition at line 33 of file CartesianCoordinateTransformation.h.

Member Function Documentation

logTransform()

qreal KDChart::CoordinateTransformation::logTransform ( qreal  value, bool  isPositiveRange  ) const

inline

Definition at line 48 of file CartesianCoordinateTransformation.h.

Referenced by translate(), and updateTransform().

logTransformBack()

qreal KDChart::CoordinateTransformation::logTransformBack ( qreal  value, bool  wasPositive  ) const

inline

Definition at line 57 of file CartesianCoordinateTransformation.h.

Referenced by translateBack().

translate()

QPointF KDChart::CoordinateTransformation::translate ( const QPointF &  dataPoint ) const

inline

Definition at line 101 of file CartesianCoordinateTransformation.h.

References axesCalcModeX, axesCalcModeY, isPositiveX, isPositiveY, KDChart::AbstractCoordinatePlane::Logarithmic, logTransform(), QTransform::map(), QPointF::setX(), QPointF::setY(), transform, QPointF::x(), and QPointF::y().

translateBack()

const QPointF KDChart::CoordinateTransformation::translateBack ( const QPointF &  screenPoint ) const

inline

Definition at line 115 of file CartesianCoordinateTransformation.h.

References axesCalcModeX, axesCalcModeY, backTransform, isPositiveX, isPositiveY, KDChart::AbstractCoordinatePlane::Logarithmic, logTransformBack(), QTransform::map(), QPointF::setX(), QPointF::setY(), QPointF::x(), and QPointF::y().

updateTransform()

void KDChart::CoordinateTransformation::updateTransform ( const QRectF &  constDataRect, const QRectF &  screenRect  )

inline

Definition at line 66 of file CartesianCoordinateTransformation.h.

References axesCalcModeX, axesCalcModeY, backTransform, QRectF::bottom(), QRectF::height(), QTransform::inverted(), isPositiveX, isPositiveY, QRectF::left(), KDChart::AbstractCoordinatePlane::Logarithmic, logTransform(), QTransform::reset(), QRectF::right(), QTransform::scale(), QRectF::setBottom(), QRectF::setLeft(), QRectF::setRight(), QRectF::setTop(), QRectF::top(), transform, QTransform::translate(), QRectF::width(), KDChart::ZoomParameters::xCenter, KDChart::ZoomParameters::xFactor, KDChart::ZoomParameters::yCenter, KDChart::ZoomParameters::yFactor, and zoom.

Member Data Documentation

axesCalcModeX

CartesianCoordinatePlane::AxesCalcMode KDChart::CoordinateTransformation::axesCalcModeX = CartesianCoordinatePlane::Linear

Definition at line 38 of file CartesianCoordinateTransformation.h.

Referenced by translate(), translateBack(), and updateTransform().

axesCalcModeY

CartesianCoordinatePlane::AxesCalcMode KDChart::CoordinateTransformation::axesCalcModeY = CartesianCoordinatePlane::Linear

Definition at line 37 of file CartesianCoordinateTransformation.h.

Referenced by translate(), translateBack(), and updateTransform().

backTransform

QTransform KDChart::CoordinateTransformation::backTransform

Definition at line 43 of file CartesianCoordinateTransformation.h.

Referenced by translateBack(), and updateTransform().

isPositiveX

bool KDChart::CoordinateTransformation::isPositiveX = true

Definition at line 45 of file CartesianCoordinateTransformation.h.

Referenced by translate(), translateBack(), and updateTransform().

isPositiveY

bool KDChart::CoordinateTransformation::isPositiveY = true

Definition at line 46 of file CartesianCoordinateTransformation.h.

Referenced by translate(), translateBack(), and updateTransform().

transform

QTransform KDChart::CoordinateTransformation::transform

Definition at line 42 of file CartesianCoordinateTransformation.h.

Referenced by translate(), and updateTransform().

zoom

ZoomParameters KDChart::CoordinateTransformation::zoom

Definition at line 40 of file CartesianCoordinateTransformation.h.

Referenced by KDChart::PolarCoordinatePlane::layoutDiagrams(), KDChart::PolarCoordinatePlane::setZoomCenter(), KDChart::PolarCoordinatePlane::setZoomFactorX(), KDChart::PolarCoordinatePlane::setZoomFactorY(), updateTransform(), and KDChart::PolarCoordinatePlane::zoomFactorX().

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

• CartesianCoordinateTransformation.h