TransferWidget Class Reference

Transfer widget. More...

#include <transferwidget.h>

List of all members.

Public Slots
void	ChangeSelectedColor (const QColor &color)
void	PointsChanged ()
	Points changed.
void	SaveConfig (QString filename)
	Saves a configuration.
void	LoadConfig (QString filename)
	Loads a configuration.
Signals
void	InvokeChangeSelectedColor (const QColor &color)
	Invoke change selected color.
void	InvokeUpdateColorSelector (const QColor &color)
	Invoke update color selector.
void	TransferImageUpdated (const QImage &image)
	Transfer image updated.
Public Member Functions
	TransferWidget (QWidget *parent=NULL)
void	paintEvent (QPaintEvent *e)
Private Member Functions
void	Init ()
void	calcShadeImage ()
	Calculates the shade image.
void	calcGradientStops ()
	Calculates the gradient stops.
void	saveToFile (QString filename)
	Saves to file.
void	loadFromFile (QString filename, QVector< QPointF > &points, QVector< QColor > &colors)
	Loads from file.
void	addTestPoints ()
	Adds test points.
Private Attributes
QLinearGradient	gradient
QLinearGradient	gradientWithAlpha
QGradientStops	stops
QImage	shadeImage
QImage	transferImage
HoverPoints *	hoverPoints
Friends
QDataStream &	operator<< (QDataStream &out, const TransferWidget *transfer)
	Serialization.
QDataStream &	operator>> (QDataStream &in, TransferWidget *transfer)
	Deserialization.

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Detailed Description

Transfer widget.

This widget handles the transfer function.

Author:

Horm

Date:

05.12.2010

Definition at line 21 of file transferwidget.h.

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Member Function Documentation

void TransferWidget::addTestPoints

(

)

[private]

Adds test points.

Adds test points to the transfer function

Author:

Horm

Date:

05.12.2010

Definition at line 173 of file transferwidget.cpp.

void TransferWidget::calcGradientStops

(

)

[private]

Calculates the gradient stops.

The gradient stops are calculated using the user defined transfer points.

Author:

Horm

Date:

05.12.2010

Definition at line 209 of file transferwidget.cpp.

void TransferWidget::calcShadeImage

(

)

[private]

Calculates the shade image.

The shade image is calculated using the user defined points.

Author:

Horm

Date:

05.12.2010

Definition at line 182 of file transferwidget.cpp.

void TransferWidget::InvokeChangeSelectedColor

(

const QColor &

color

)

[signal]

Invoke change selected color.

Signals that the selected color has changed.

Author:

Horm

Date:

05.12.2010

Parameters:

color

The color.

void TransferWidget::InvokeUpdateColorSelector

(

const QColor &

color

)

[signal]

Invoke update color selector.

Signals that the color selector has changed.

Author:

Horm

Date:

05.12.2010

Parameters:

color

The color.

void TransferWidget::LoadConfig

(

QString

filename

)

[slot]

Loads a configuration.

Loads a transfer function from a config file

Author:

Horm

Date:

05.12.2010

Parameters:

filename

Filename of the file.

Definition at line 66 of file transferwidget.cpp.

void TransferWidget::loadFromFile	(	QString	filename,
		QVector< QPointF > &	points,
		QVector< QColor > &	colors
	)		[private]

Loads from file.

Loads the transfer function from a config file.

Author:

Horm

Date:

05.12.2010

Parameters:

	filename	Filename of the file.
[in,out]	points	The points.
[in,out]	colors	The colors.

Definition at line 111 of file transferwidget.cpp.

void TransferWidget::PointsChanged

(

)

[slot]

Points changed.

Is called when the points have changed

Author:

Horm

Date:

05.12.2010

Definition at line 129 of file transferwidget.cpp.

void TransferWidget::SaveConfig

(

QString

filename

)

[slot]

Saves a configuration.

Saves a transfer function to a config file.

Author:

Horm

Date:

05.12.2010

Parameters:

filename

Filename of the file.

Definition at line 60 of file transferwidget.cpp.

void TransferWidget::saveToFile

(

QString

filename

)

[private]

Saves to file.

Saves the transfer function to a file. This config file is binary and therefore not human-readable.

Author:

Horm

Date:

05.12.2010

Parameters:

filename

Filename of the file.

Definition at line 78 of file transferwidget.cpp.

void TransferWidget::TransferImageUpdated

(

const QImage &

image

)

[signal]

Transfer image updated.

Signals that the transfer fucntion 1d image has changed.

Author:

Horm

Date:

05.12.2010

Parameters:

image

The image.

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Friends And Related Function Documentation

QDataStream & TransferWidget::operator<<	(	QDataStream &	out,
		const TransferWidget *	transfer
	)		[friend]

Serialization.

This operator is used to serialize the TransferWidget class.

Date:

15.01.2011

Parameters:

out	datastream for writing
item	object which should be serialized

Definition at line 91 of file transferwidget.cpp.

QDataStream & TransferWidget::operator>>	(	QDataStream &	in,
		TransferWidget *	transfer
	)		[friend]

Deserialization.

This operator is used to deserialize the TransferWidget class.

Date:

15.01.2011

Parameters:

out	datastream for writing
item	object which should be serialized

Definition at line 97 of file transferwidget.cpp.

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

• FlowVis/transferwidget.h
• FlowVis/transferwidget.cpp