ScanToImage (Function)

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ScanToImage (Function)

In french: ScanVersImage

Retrieves a document from a scanner in a variable of type Image.

Example

MonScanneur is Scanner 
MonScanneur = ScanSelect()

// Affiche le document présent dans le scanneur dans un champ Image
IMG_MonImage = ScanToImage(MonScanneur)
IF ErrorOccurred THEN
	Error("Le document n'a pas été scanné", ErrorInfo())
END

// Scan de toutes les pages du chargeur
ScanToImage(MonScanneur, TraitePageScan)
// Traitement d'une page scannée
INTERNAL PROCEDURE TraitePageScan(nNumPage is int, ImageScan is Image)
	dSaveImageJPEG(ImageScan, "page" + nNumPage + ".jpg")
END

Syntax

Scanning a single page Hide the details

<Result> = ScanToImage(<Scanner>)

<Result>: Image variable

Image variable retrieved from the scanner. If an error occurs, the ErrorOccurred variable is set to True and ErrorInfo returns the corresponding error message.

<Scanner>: Scanner variable

Name of the Scanner variable initialized with the details of the scanner to be used.

Scanning multple pages (with feeder) Hide the details

<Result> = ScanToImage(<Scanner> [, <Number of pages>] , <End of page scan>)

<Result>: Boolean

True if the scan was completed successfully,
False if an error occurs during the scan process. The corresponding error message is returned by ErrorInfo.

<Scanner>: Scanner variable

Name of the scanner variable initialized with the details of the scanner to be used.

<Number of pages>: Optional integer

Number of pages to be scanned,
scanNumberPagesAll constant to scan all the pages in the feeder (default value).

<End of page scan>: Procedure name

Name of the WLanguage procedure ("callback") called once a page has been scanned. This procedure has the following format:
<Procedure name>(<Page number>, <Image>)
where:
<Numéro de page> Scanned page number.
<Image> Variable of type Image containing the scanned page. This variable is only valid when the Procedure is called: it must therefore be copied or saved in a file (no reference should be made to this variable).
If the procedure returns False, the scan is interrupted.

Business / UI classification: UI Code

Component: wd300std.dll