Class PdfContents

PDF input target options; determines what to OCR from within the PDF

Inheritance

System.Object

PdfContents

Namespace: IronOcr

Assembly: IronOcr.dll

Syntax

public sealed class PdfContents : Enum

Telling IronOCR what to pull out of a PDF runs through PdfContents, passed to IronTesseract.Read when the source is a PDF document. TextAndImages reads both the embedded text layer and any rasterized images on the page, which suits a mixed PDF that contains scanned pictures alongside selectable text. OnlyImages restricts OCR to the rasterized images and skips the existing text layer, useful when a PDF already has reliable text and only its pictures need recognition. The PDF OCR example shows a PDF read end to end.

var result = ocr.Read(document, PdfContents.TextAndImages);

Fields

OnlyImages

Only OCR images contained within the PDF. This is the best option for generating a searchable PDF.

Declaration

public const PdfContents OnlyImages

Field Value

Type	Description
PdfContents

Remarks

This option preserves bookmarks, annotations, etc.

TextAndImages

Rasterize the entire PDF and OCR the resulting image. This is the best option for retrieving ALL text from a PDF.

Declaration

public const PdfContents TextAndImages

Field Value

Type	Description
PdfContents

Remarks

This option creates a new PDF using the extracted text

value__

Declaration

public int value__

Field Value

Type	Description
System.Int32