Widget which draws a line graphic where the data is progressively added over time. More...

Inheritance diagram for MAKLogger::DtProgressiveLineGraph:

Collaboration diagram for MAKLogger::DtProgressiveLineGraph:

Public Types
typedef std::set< std::pair < double, int > >	PercentValueMap

Public Member Functions
	DtProgressiveLineGraph (int rangeMin, int rangeMax, bool autoScale, QWidget *parent)
	CTOR for creating the graph.
virtual	~DtProgressiveLineGraph ()
	DTOR for graph.
void	setModel (DtLgrGuiModel *myModel)
	Set the model, this is required for a number of features such as drawing a cursor.
int	verticalMargin () const
	Get the vertical margin.
void	setMargins (int horizontalMargin, int verticalMargin)
	set the Graph margins.
void	addSet (int set, QPen pen, int initial, bool valueCentered=false)
	Add a set with a color and initial value.
void	insertValue (int set, double percent, int value)
	Insert a value into the middle of the graph.
virtual void	resetAllValues (int value)
	Clear all sets and insert the initial value.
virtual void	resetValues (int set, int value)
	Clear the values and insert the initial value.
virtual void	clearValues (int set)
	Clear the values.
virtual void	clearAllValues ()
	Clear all sets.
virtual void	offsetPercentages (double percentOffset)
	Offset the percentages of all the values.
virtual void	offsetPercentages (int set, double percentOffset)
	Offset the percentages of a set of values.
virtual void	setRange (int min, int max)
	Sets the minimum and maximum range of the points.
virtual int	rangeMinimum () const
	Get the Range minimum and maximum.
virtual int	rangeMaximum () const
virtual bool	autoScale () const
	Get whether auto scaling is used.
virtual void	setAutoScale (bool value)
	Set whether auto scaling is used.
virtual void	setNegativeReflection (bool positive)
	Set whether the scale is a reflect negative scale.
virtual void	useBackgroundGradient (bool useIt)
	Set if the background gradient is used.
virtual bool	usesBackgroundGradient () const
	Get if the background gradient is used.
virtual void	useAlphaBlending (bool useIt)
	Set whether to use alpha blending.
virtual bool	usesAlphaBlending () const
	Get whether alpha blending is used.
void	useBasicGui (bool basic)
	Set whether to use basic render settings.
virtual void	drawAsVerticalLines (bool useVerticalLines)
	Set whether vertical line samples are used instead of connected samples.
virtual bool	usesVerticalLines () const
	Get whether vertical line samples are used instead of connected samples.
virtual void	setOffsets (float left, float right)
	Override base implementation.
void	forceUpdate (bool widgetUpdate)
	Force a redraw and optionally a widget update.
bool	updateNeeded () const
	Check to see if an update has been forced.
virtual void	testForUpdate (DtLgrGuiModel &model)
	Override test for update.
Public Member Functions inherited from MAKLogger::DtLgrZoomableWidget
	DtLgrZoomableWidget (QWidget *parent)
	CTOR.
virtual	~DtLgrZoomableWidget ()
	DTOR.
QRectF	scaledViewport (QRect orignalViewport, QPoint margins) const
	Scale a viewport using the scaled settings and the provided margins.
void	drawCursor (QPainter &painter, double firstVisibleTime, double lastVisibleTime, double cursorTime, int xOffset, bool active)
	Draw A cursor.
QRect	cursorBounds (double firstVisibleTime, double lastVisibleTime, double cursorTime, int xOffset)
	Get the cursor bounds.
double	firstVisibleTime (double firstTime, double lastTime) const
	Get the first visible time, based upon the scale.
double	firstVisibleTime (DtLgrGuiModel &model) const
	Get the first visible time via the models display time.
double	lastVisibleTime (double firstTime, double lastTime) const
	Get the last visible time, based upon the scale.
double	lastVisibleTime (DtLgrGuiModel &model) const
	Get the last visible time via the models display time.
float	leftOffset () const
	Get the left offset (percent 0-100.0), inline for performance reasons.
float	rightOffset () const
	Get the right offset (percent 0-100.0), inline for performance reasons.
float	horizontalMargin () const
	get the horizontal margin.
void	setHorizontalMargin (float margin)
	set the horizontal margin.
void	setDrawTimes (DtLgrGuiModel &model)

Protected Types
typedef std::map< int, Set * >	SetMap

Protected Member Functions
virtual double	firstTime () const
	Get the current time.
virtual double	lastTime () const
	Get the current time.
virtual double	currentTime () const
	Get the current time.
virtual void	resizeEvent (QResizeEvent *e)
	Resize event needed to resize back buffer.
virtual void	paintEvent (QPaintEvent *)
	Draw the widget.
virtual void	draw (QPainter &painter, const QRect &rect)
	Draw the control.
virtual void	paintBackground (QPainter &painter)
	Paint background.
virtual int	getSeparation () const
	Get the line separation count.
virtual void	paintLines (QPainter &, Set &set)
	Function to draw the lines in the foreground color.
virtual int	desiredRange () const
	Get the desired Range.
void	paintVerticalLines (PercentValueMap &set, QRectF svp, int rangeHeight, QPainter &painter, QPen pen, bool centered)
	Draw the graph as vertical lines.
void	paintConnectedLines (PercentValueMap &set, QRectF svp, int rangeHeight, QPainter &painter, QPen pen)
	Draw the graph as a connected line.
int	desiredMinimum () const
	Get the desired minimum.

Protected Attributes
int	myInitialMinimumRange
int	myInitialMaximumRange
int	myMinimumRange
int	myMaximumRange
int	myVerticalMargin
bool	myAutoScale
bool	myActive
SetMap	mySets
bool	myUseGradient
bool	myUseAlphaBlending
QLinearGradient *	myLinearGradient
bool	myGraphNeedsUpdating
bool	myUseVerticalLines
bool	myNegativeReflection
QPolygon *	myPointCache
QPixmap *	myLineBuffer
bool	myUseCachedGraph
DtLgrGuiModel *	myModel
double	myDrawnRange
Protected Attributes inherited from MAKLogger::DtLgrZoomableWidget
float	myLeftOffset
float	myRightOffset
float	myHorizontalMargin
double	myDrawnFirstVisibleTime
double	myDrawnLastVisibleTime
double	myDrawnCurrentVisibleTime

Additional Inherited Members
Public Slots inherited from MAKLogger::DtLgrZoomableWidget
Signals inherited from MAKLogger::DtLgrZoomableWidget
void	offsetsChanged (float left, float right)

Detailed Description

Widget which draws a line graphic where the data is progressively added over time.

Member Typedef Documentation

typedef std::set<std::pair<double,int> > MAKLogger::DtProgressiveLineGraph::PercentValueMap

typedef std::map<int,Set*> MAKLogger::DtProgressiveLineGraph::SetMap

protected

Constructor & Destructor Documentation

MAKLogger::DtProgressiveLineGraph::DtProgressiveLineGraph	(	int	rangeMin,
		int	rangeMax,
		bool	autoScale,
		QWidget *	parent
	)

CTOR for creating the graph.

virtual MAKLogger::DtProgressiveLineGraph::~DtProgressiveLineGraph ( )

virtual

DTOR for graph.

Member Function Documentation

void MAKLogger::DtProgressiveLineGraph::addSet	(	int	set,
		QPen	pen,
		int	initial,
		bool	valueCentered = `false`
	)

Add a set with a color and initial value.

virtual bool MAKLogger::DtProgressiveLineGraph::autoScale ( ) const

virtual

Get whether auto scaling is used.

Auto scale will change the range dynamically as points are added.

virtual void MAKLogger::DtProgressiveLineGraph::clearAllValues ( )

virtual

Clear all sets.

virtual void MAKLogger::DtProgressiveLineGraph::clearValues ( int set )

virtual

Clear the values.

virtual double MAKLogger::DtProgressiveLineGraph::currentTime ( ) const

protectedvirtual

Get the current time.

int MAKLogger::DtProgressiveLineGraph::desiredMinimum ( ) const

protected

Get the desired minimum.

virtual int MAKLogger::DtProgressiveLineGraph::desiredRange ( ) const

protectedvirtual

Get the desired Range.

virtual void MAKLogger::DtProgressiveLineGraph::draw	(	QPainter &	painter,
		const QRect &	rect
	)

protectedvirtual

Draw the control.

virtual void MAKLogger::DtProgressiveLineGraph::drawAsVerticalLines ( bool useVerticalLines )

virtual

Set whether vertical line samples are used instead of connected samples.

virtual double MAKLogger::DtProgressiveLineGraph::firstTime ( ) const

protectedvirtual

Get the current time.

void MAKLogger::DtProgressiveLineGraph::forceUpdate ( bool widgetUpdate )

Force a redraw and optionally a widget update.

virtual int MAKLogger::DtProgressiveLineGraph::getSeparation ( ) const

protectedvirtual

Get the line separation count.

void MAKLogger::DtProgressiveLineGraph::insertValue	(	int	set,
		double	percent,
		int	value
	)

Insert a value into the middle of the graph.

virtual double MAKLogger::DtProgressiveLineGraph::lastTime ( ) const

protectedvirtual

Get the current time.

virtual void MAKLogger::DtProgressiveLineGraph::offsetPercentages ( double percentOffset )

virtual

Offset the percentages of all the values.

Any value with a negative percentage or a percentage > 100 will be dropped.

virtual void MAKLogger::DtProgressiveLineGraph::offsetPercentages	(	int	set,
		double	percentOffset
	)

virtual

Offset the percentages of a set of values.

Any value with a negative percentage or a percentage > 100 will be dropped.

virtual void MAKLogger::DtProgressiveLineGraph::paintBackground ( QPainter & painter )

protectedvirtual

Paint background.

void MAKLogger::DtProgressiveLineGraph::paintConnectedLines	(	PercentValueMap &	set,
		QRectF	svp,
		int	rangeHeight,
		QPainter &	painter,
		QPen	pen
	)

protected

Draw the graph as a connected line.

virtual void MAKLogger::DtProgressiveLineGraph::paintEvent ( QPaintEvent * )

protectedvirtual

Draw the widget.

virtual void MAKLogger::DtProgressiveLineGraph::paintLines	(	QPainter &	,
		Set &	set
	)

protectedvirtual

Function to draw the lines in the foreground color.

void MAKLogger::DtProgressiveLineGraph::paintVerticalLines	(	PercentValueMap &	set,
		QRectF	svp,
		int	rangeHeight,
		QPainter &	painter,
		QPen	pen,
		bool	centered
	)

protected

Draw the graph as vertical lines.

virtual int MAKLogger::DtProgressiveLineGraph::rangeMaximum ( ) const

virtual

virtual int MAKLogger::DtProgressiveLineGraph::rangeMinimum ( ) const

virtual

Get the Range minimum and maximum.

virtual void MAKLogger::DtProgressiveLineGraph::resetAllValues ( int value )

virtual

Clear all sets and insert the initial value.

virtual void MAKLogger::DtProgressiveLineGraph::resetValues	(	int	set,
		int	value
	)

virtual

Clear the values and insert the initial value.

virtual void MAKLogger::DtProgressiveLineGraph::resizeEvent ( QResizeEvent * e )

protectedvirtual

Resize event needed to resize back buffer.

virtual void MAKLogger::DtProgressiveLineGraph::setAutoScale ( bool value )

virtual

Set whether auto scaling is used.

Auto scale will change the range dynamically as points are added.

void MAKLogger::DtProgressiveLineGraph::setMargins	(	int	horizontalMargin,
		int	verticalMargin
	)

set the Graph margins.

void MAKLogger::DtProgressiveLineGraph::setModel ( DtLgrGuiModel * myModel )

Set the model, this is required for a number of features such as drawing a cursor.

virtual void MAKLogger::DtProgressiveLineGraph::setNegativeReflection ( bool positive )

virtual

Set whether the scale is a reflect negative scale.

virtual void MAKLogger::DtProgressiveLineGraph::setOffsets	(	float	left,
		float	right
	)

virtual

Override base implementation.

Reimplemented from MAKLogger::DtLgrZoomableWidget.

virtual void MAKLogger::DtProgressiveLineGraph::setRange	(	int	min,
		int	max
	)

virtual

Sets the minimum and maximum range of the points.

As points are scaled clipped to the min and max. when drawn.

virtual void MAKLogger::DtProgressiveLineGraph::testForUpdate ( DtLgrGuiModel & model )

virtual

Override test for update.

Reimplemented from MAKLogger::DtLgrZoomableWidget.

bool MAKLogger::DtProgressiveLineGraph::updateNeeded ( ) const

Check to see if an update has been forced.

virtual void MAKLogger::DtProgressiveLineGraph::useAlphaBlending ( bool useIt )

virtual

Set whether to use alpha blending.

virtual void MAKLogger::DtProgressiveLineGraph::useBackgroundGradient ( bool useIt )

virtual

Set if the background gradient is used.

void MAKLogger::DtProgressiveLineGraph::useBasicGui ( bool basic )

Set whether to use basic render settings.

virtual bool MAKLogger::DtProgressiveLineGraph::usesAlphaBlending ( ) const

virtual

Get whether alpha blending is used.

virtual bool MAKLogger::DtProgressiveLineGraph::usesBackgroundGradient ( ) const

virtual

Get if the background gradient is used.

virtual bool MAKLogger::DtProgressiveLineGraph::usesVerticalLines ( ) const

virtual

Get whether vertical line samples are used instead of connected samples.

int MAKLogger::DtProgressiveLineGraph::verticalMargin ( ) const

Get the vertical margin.

Member Data Documentation

bool MAKLogger::DtProgressiveLineGraph::myActive

protected

bool MAKLogger::DtProgressiveLineGraph::myAutoScale

protected

double MAKLogger::DtProgressiveLineGraph::myDrawnRange

protected

bool MAKLogger::DtProgressiveLineGraph::myGraphNeedsUpdating

protected

int MAKLogger::DtProgressiveLineGraph::myInitialMaximumRange

protected

int MAKLogger::DtProgressiveLineGraph::myInitialMinimumRange

protected

QLinearGradient* MAKLogger::DtProgressiveLineGraph::myLinearGradient

protected

QPixmap* MAKLogger::DtProgressiveLineGraph::myLineBuffer

protected

int MAKLogger::DtProgressiveLineGraph::myMaximumRange

protected

int MAKLogger::DtProgressiveLineGraph::myMinimumRange

protected

DtLgrGuiModel* MAKLogger::DtProgressiveLineGraph::myModel

protected

bool MAKLogger::DtProgressiveLineGraph::myNegativeReflection

protected

QPolygon* MAKLogger::DtProgressiveLineGraph::myPointCache

protected

SetMap MAKLogger::DtProgressiveLineGraph::mySets

protected

bool MAKLogger::DtProgressiveLineGraph::myUseAlphaBlending

protected

bool MAKLogger::DtProgressiveLineGraph::myUseCachedGraph

protected

bool MAKLogger::DtProgressiveLineGraph::myUseGradient

protected

bool MAKLogger::DtProgressiveLineGraph::myUseVerticalLines

protected

int MAKLogger::DtProgressiveLineGraph::myVerticalMargin

protected

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

progressiveLineGraph.h

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation