QSpectrumDisplay Class Reference

QSpectrumAnalyzer. More...

#include <qspectrumanalyzer.h>

List of all members.

Public Slots
void	paintEvent (QPaintEvent *)
void	setDrawAverageLine (const bool drawAverageLine)
Public Member Functions
	QSpectrumDisplay (QWidget *parent, const cardinal *array, const cardinal bars, cardinal &max, const bool drawAverageLine=TRUE)
	~QSpectrumDisplay ()
Private Member Functions
void	drawBar (QPainter *painter, const cardinal x, const cardinal y, const cardinal width, const cardinal height, const cardinal barValue)
Private Attributes
const cardinal *	Array
cardinal	Bars
cardinal &	Max
bool	DrawAverageLine
Static Private Attributes
static const cardinal	BarColors = 12
static const cardinal	AverageSteps = 10

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Detailed Description

QSpectrumAnalyzer.

This class is the spectrum display widget for the spectrum analyzer.

Author:

Thomas Dreibholz

Version:

1.0

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Constructor & Destructor Documentation

QSpectrumDisplay::QSpectrumDisplay	(	QWidget *	parent,
		const cardinal *	array,
		const cardinal	bars,
		cardinal &	max,
		const bool	drawAverageLine = TRUE
	)

Constructor.

Parameters:

parent	Parent widget.
array	Fourier array.
bars	Number of fourier bars.
drawAverageLine	Draw (TRUE) or hide (FALSE) average line.

QSpectrumDisplay::~QSpectrumDisplay

(

)

Destructor.

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Member Function Documentation

void QSpectrumDisplay::drawBar	(	QPainter *	painter,
		const cardinal	x,
		const cardinal	y,
		const cardinal	width,
		const cardinal	height,
		const cardinal	barValue
	)		[private]

void QSpectrumDisplay::paintEvent

(

QPaintEvent *

)

[slot]

Qt slot: Paint event.

void QSpectrumDisplay::setDrawAverageLine

(

const bool

drawAverageLine

)

[inline, slot]

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Member Data Documentation

const cardinal* QSpectrumDisplay::Array [private]

const cardinal QSpectrumDisplay::AverageSteps = 10 [static, private]

const cardinal QSpectrumDisplay::BarColors = 12 [static, private]

cardinal QSpectrumDisplay::Bars [private]

bool QSpectrumDisplay::DrawAverageLine [private]

cardinal& QSpectrumDisplay::Max [private]

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

• qspectrumanalyzer.h
• qspectrumanalyzer.cc