CTL::ProjectorNotifier Class Reference

Helper class that can emit signals during calculations of a certain projector. More...

#include <abstractprojector.h>

Inheritance diagram for CTL::ProjectorNotifier:

Collaboration diagram for CTL::ProjectorNotifier:

Signals
void	projectionFinished (int viewNb)
void	information (QString info)

Public Member Functions
void	connectToMessageHandler (bool includeProgress)
	Connects this instance's signals to the CTL's MessageHandler. More...

Private Attributes
QMetaObject::Connection	_progressConnection

Detailed Description

Helper class that can emit signals during calculations of a certain projector.

This class uses Qt's signal/slot principle to allow communication of a projector class with other program parts. To do so, connect the signals of this object with the desired receiver objects.

The ProjectorNotifier offers the following Q_SIGNALS:

• projectionFinished(int): intended to be emitted when a projection is fully processed.
• information(QString): used to communicate status information.

Member Function Documentation

connectToMessageHandler()

void CTL::ProjectorNotifier::connectToMessageHandler

(

bool

includeProgress

)

Connects this instance's signals to the CTL's MessageHandler.

This connects the information signal of this instance to the MessageHandler::messageFromSignal slot, such that it processes incoming information signals as regular messages. If includeProgress = true, this also establishes a connection between this instance's projectionFinished() signal and the message handler. Each projectionFinished signal results in a message of format "%1 projections finished.", where %1 is replaced with the number of finished projections.

The method ensures that no multiple connections are established, even if it is called multiple times.

To (fully) disconnect this instance from the message handler, use:

this->disconnect(&MessageHandler::instance());

information

void CTL::ProjectorNotifier::information ( QString  info )

signal

Signal that can be emitted to communicate a status information.

projectionFinished

void CTL::ProjectorNotifier::projectionFinished ( int  viewNb )

signal

Signal that is emitted after processing of projection viewNb is finished.

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

• modules/src/projectors/abstractprojector.h
• modules/src/projectors/abstractprojector.cpp