Plot2d_HistogramItem Class Reference

#include <Plot2d_PlotItems.h>

Inheritance diagram for Plot2d_HistogramItem:

Public Types
enum	HistogramAttribute { Auto = 0, Xfy = 1 }
Public Member Functions
	Plot2d_HistogramItem (const QString &=QString())
	Plot2d_HistogramItem (const QwtText &)
virtual	~Plot2d_HistogramItem ()
QList< QRect >	getBars () const
virtual void	updateLegend (QwtLegend *) const
virtual void	draw (QPainter *, const QwtScaleMap &, const QwtScaleMap &, const QRect &) const
void	setCrossItems (bool theCross)
bool	isCrossItems () const
void	setData (const QwtIntervalData &)
const QwtIntervalData &	data () const
void	setColor (const QColor &)
QColor	color () const
virtual QwtDoubleRect	boundingRect () const
virtual int	rtti () const
void	setBaseline (double)
double	baseline () const
void	setHistogramAttribute (HistogramAttribute, bool=true)
bool	testHistogramAttribute (HistogramAttribute) const
Protected Member Functions
void	drawRectAndLowers (QPainter *, Qt::Orientation, const QRect &) const
int	getCrossedTop (const QRect &) const
virtual void	drawBar (QPainter *, Qt::Orientation, const QRect &) const
Protected Attributes
QList< QRect >	myBarItems
bool	myCrossed

---

Member Enumeration Documentation

enum Plot2d_HistogramQwtItem::HistogramAttribute [inherited]

Enumerator:

Auto
Xfy

---

Constructor & Destructor Documentation

Plot2d_HistogramItem::Plot2d_HistogramItem

(

const QString &

theTitle = QString()

)

[explicit]

Constructor

Plot2d_HistogramItem::Plot2d_HistogramItem

(

const QwtText &

theTitle

)

[explicit]

Constructor

Plot2d_HistogramItem::~Plot2d_HistogramItem

(

)

[virtual]

Destructor

---

Member Function Documentation

QList< QRect > Plot2d_HistogramItem::getBars

(

)

const

Get histogram bar items

References myBarItems.

void Plot2d_HistogramItem::updateLegend

(

QwtLegend *

theLegend

)

const [virtual]

Set to legend item symbol with color of item

References Plot2d_HistogramQwtItem.color().

void Plot2d_HistogramItem::draw	(	QPainter *	thePainter,
		const QwtScaleMap &	theXMap,
		const QwtScaleMap &	theYMap,
		const QRect &
	)		const [virtual]

Draws histogram object

Reimplemented from Plot2d_HistogramQwtItem.

References Plot2d_HistogramQwtItem.baseline(), Plot2d_HistogramQwtItem.color(), Plot2d_HistogramQwtItem.data(), drawRectAndLowers(), Horizontal, myBarItems, Plot2d_HistogramQwtItem.testHistogramAttribute(), Vertical, and Plot2d_HistogramQwtItem.Xfy.

void Plot2d_HistogramItem::setCrossItems

(

bool

theCross

)

Set/clear "cross items" option

References myCrossed.

bool Plot2d_HistogramItem::isCrossItems

(

)

const

Get "cross items" option

References myCrossed.

void Plot2d_HistogramItem::drawRectAndLowers	(	QPainter *	thePainter,
		Qt::Orientation	theOr,
		const QRect &	theRect
	)		const [protected]

Draws bar of histogram and on it bars of histograms with lower height.

References Plot2d_HistogramQwtItem.drawBar(), getCrossedTop(), Horizontal, and myCrossed.

int Plot2d_HistogramItem::getCrossedTop

(

const QRect &

theRect

)

const [protected]

Returns top value of the given rect in the context of other bars.

It's necessary to remember, that theRect has inverted coordinate Y.

References getBars().

void Plot2d_HistogramQwtItem::setData

(

const QwtIntervalData &

theData

)

[inherited]

Sets data to object

References Plot2d_HistogramQwtItem.myData.

const QwtIntervalData & Plot2d_HistogramQwtItem::data

(

)

const [inherited]

Returns data from object

References Plot2d_HistogramQwtItem.myData.

void Plot2d_HistogramQwtItem::setColor

(

const QColor &

theColor

)

[inherited]

Sets color to object

References Plot2d_HistogramQwtItem.myColor.

QColor Plot2d_HistogramQwtItem::color

(

)

const [inherited]

Returns color from object

References Plot2d_HistogramQwtItem.myColor.

QwtDoubleRect Plot2d_HistogramQwtItem::boundingRect

(

)

const [virtual, inherited]

Returns bounding rect of object

References Plot2d_HistogramQwtItem.myAttributes, Plot2d_HistogramQwtItem.myData, Plot2d_HistogramQwtItem.myReference, and Plot2d_HistogramQwtItem.Xfy.

int Plot2d_HistogramQwtItem::rtti

(

)

const [virtual, inherited]

Returns type of plot object

void Plot2d_HistogramQwtItem::setBaseline

(

double

theRef

)

[inherited]

Sets base line to object

Parameters:

theRef

References Plot2d_HistogramQwtItem.myReference.

double Plot2d_HistogramQwtItem::baseline

(

)

const [inherited]

Returns base line of object

References Plot2d_HistogramQwtItem.myReference.

void Plot2d_HistogramQwtItem::setHistogramAttribute	(	HistogramAttribute	theAttr,
		bool	isOn = true
	)		[inherited]

Sets histogram attributes

References Plot2d_HistogramQwtItem.myAttributes, and Plot2d_HistogramQwtItem.testHistogramAttribute().

bool Plot2d_HistogramQwtItem::testHistogramAttribute

(

HistogramAttribute

theAttr

)

const [inherited]

Tests histogram attributes

References Plot2d_HistogramQwtItem.myAttributes.

void Plot2d_HistogramQwtItem::drawBar	(	QPainter *	thePainter,
		Qt::Orientation	,
		const QRect &	theRect
	)		const [protected, virtual, inherited]

Draws single bar of histogram

References Plot2d_HistogramQwtItem.color(), Plot2d.drawLine(), and Plot2d.NoPen.

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Field Documentation

QList<QRect> Plot2d_HistogramItem.myBarItems [protected]

bool Plot2d_HistogramItem.myCrossed [protected]