ch.elexis.exchange
Interface IScannerAccess

public interface IScannerAccess

Interface to specify a Java (SWT) connection to scanner devices e.g. via TWAIN or SANE Implementing class must implement IScannerAccess and IScannerAccess.ISource. It must return all available Sources on a call to getSources(), let the user configure a source via configureSource(), and must aquire an image from the source on a call to aquire

Nested Class Summary

static interface

IScannerAccess.ISource An Image source

Method Summary

org.eclipse.swt.graphics.ImageData	aquire(IScannerAccess.ISource src) Aquire an Image from the Scanner and create an SWT image from it.
void	configureSource(IScannerAccess.ISource src, java.lang.Object configuration) let the user enter configuration details (e.g. resolution settings, color settings) with the scanner specific dialog
IScannerAccess.ISource	getDefaultSource()
IScannerAccess.ISource[]	getSources() Retrieve all available Sources (scanners, cameras etc)
void	setDefaultSource(IScannerAccess.ISource src)

Method Detail

getSources

IScannerAccess.ISource[] getSources()

Retrieve all available Sources (scanners, cameras etc)

Returns:

an Array of SourceDefinitions, or null if there is no available Sources

getDefaultSource

IScannerAccess.ISource getDefaultSource()

setDefaultSource

void setDefaultSource(IScannerAccess.ISource src)

configureSource

void configureSource(IScannerAccess.ISource src,
                     java.lang.Object configuration)

let the user enter configuration details (e.g. resolution settings, color settings) with the scanner specific dialog

Parameters:

src - the scan source o configure

aquire

org.eclipse.swt.graphics.ImageData aquire(IScannerAccess.ISource src)
                                          throws java.lang.Exception

Aquire an Image from the Scanner and create an SWT image from it. As every ISource has its own configuration stored, the TWAIN device will use the source configuration

Parameters:

src - the Scanner to use

Returns:

the image from the scanner

Throws:

java.lang.Exception