Public Member Functions
	CPowerSpectrumChannelDisplay (CPowerSpectrumDisplayView *pParentDisplay, OpenViBE::uint32 ui32Channel, CPowerSpectrumDatabase &pDatabase, OpenViBE::int32 i32ChannelDisplayWidthRequest, OpenViBE::int32 i32ChannelDisplayHeightRequest, OpenViBE::int32 i32LeftRulerWidthRequest, OpenViBE::int32 i32LeftRulerHeightRequest)
	Constructor.
	~CPowerSpectrumChannelDisplay ()
	Destructor.
::GtkWidget *	getTopWidget () const
	Get channel top (main) widget.
GtkWidget *	getSpectrumDisplayWidget () const
	Get spectrum display widget.
void	toggle (OpenViBE::boolean bActive)
	Toggle channel visibility.
void	toggleLeftRuler (OpenViBE::boolean bActive)
	Set left ruler visibility.
void	drawSpectrum ()
	Draw channel spectrum.
void	drawLeftRuler ()
	Draws left ruler (amplitude scale)
void	drawBottomRuler ()
	Draws bottom ruler (frequency scale)
void	update ()
	Compute spectrum.
void	resizeRGBBuffer (OpenViBE::uint32 ui32Width, OpenViBE::uint32 ui32Height)
	Resize RGB buffer of this channel.
void	drawBoxToBuffer (OpenViBE::uint32 ui32X, OpenViBE::uint32 ui32Y, OpenViBE::uint32 ui32Width, OpenViBE::uint32 ui32Height, OpenViBE::uint8 ui8Red, OpenViBE::uint8 ui8Green, OpenViBE::uint8 ui8Blue)
	Draw a box in a RGB buffer.

Detailed Description

Displays power spectrum of a given channel.

Constructor & Destructor Documentation

CPowerSpectrumChannelDisplay	(	CPowerSpectrumDisplayView *	pParentDisplay,
		OpenViBE::uint32	ui32Channel,
		CPowerSpectrumDatabase &	pDatabase,
		OpenViBE::int32	i32ChannelDisplayWidthRequest,
		OpenViBE::int32	i32ChannelDisplayHeightRequest,
		OpenViBE::int32	i32LeftRulerWidthRequest,
		OpenViBE::int32	i32LeftRulerHeightRequest
	)

Constructor.

Parameters:

pParentDisplay	Pointer to object managing power spectrum widgets
ui32Channel	Index of channel to display
pDatabase	Object holding signal data
i32ChannelDisplayWidthRequest	Width to be requested by widget
i32ChannelDisplayHeightRequest	Height to be requested by widget
i32LeftRulerWidthRequest	Width to be requested by left ruler
i32LeftRulerHeightRequest	Height to be requested by left ruler

::GtkWidget* getTopWidget ( ) const

Get channel top (main) widget.

GtkWidget* getSpectrumDisplayWidget ( ) const

Get spectrum display widget.

void toggle ( OpenViBE::boolean bActive )

Toggle channel visibility.

Parameters:

bActive Visibility flag

void toggleLeftRuler ( OpenViBE::boolean bActive )

Set left ruler visibility.

Parameters:

bActive Visibility flag

Resize RGB buffer of this channel.

Parameters:

ui32Width	Buffer width
ui32Height	Buffer height

Draw a box in a RGB buffer.

Parameters: