Note: The samples on this page are Java classes from the GroupDocs.Redaction ForJava API. Use them from Node.jsViaJava by placing the classes on the JVM classpath, or by wrapping the same interfaces with Java.newProxy.
You can implement ILogger interface from com.groupdocs.redaction.options package. This interface requires to implement three methods:
import com.groupdocs.redaction.options.ILogger; import Java.util.ArrayList; /** *
* This is an example of ILogger implementation, tracking count of error messages....Viewer Product Solution GroupDocs.../ GroupDocs.Redaction for Node.js / Developer Guide / Advanced...
This topic explains how to search For digital electronic signatures across the documents with GroupDocs.Signature API....Viewer Product Solution GroupDocs...GroupDocs.Signature for Node.jsviaJava / Developer Guide / Basic...
Follow the instructions on this page to configure the license and find out the restrictions when using GroupDocs.Comparison ForNode.jsViaJava without a license (Evaluation Limitations)...Viewer Product Solution GroupDocs...GroupDocs.Comparison for Node.jsviaJava / Getting Started / Licensing...
This article explains how to search For Barcode in the document with few lines of code over GroupDocs.Signature API....Viewer Product Solution GroupDocs...GroupDocs.Signature for Node.jsviaJava / Developer Guide / Basic...
Advanced GroupDocs.Assembly ForNode.jsViaJava topics: JSON, XML and CSV data sources, documents as data sources, output Formats, assembly options and string templates....Viewer Product Solution GroupDocs...Family / GroupDocs.Assembly for Node.js / Developer Guide / Advanced...
This topic explains how to search For text electronic signatures within the document pages by GroupDocs.Signature API....Viewer Product Solution GroupDocs...GroupDocs.Signature for Node.jsviaJava / Developer Guide / Basic...
GroupDocs.Redaction supports both types of image documents For Optical Character Recognition (OCR):
image files, such as printed document scans (PNG, JPG, etc.) embedded images within office documents (PDF, DOCX, etc.) You have to implement IOcrConnector interface and pass the instance to RedactorSettings constructor.
For more details, see OCR Usage Basics article.
OCR usage limitations There are the following limitations of the OCR with GroupDocs.Redaction ForNode.jsViaJava v21.6:
textual replacements are not supported, so you have to use color box replacements to redact text in images....Viewer Product Solution GroupDocs.../ GroupDocs.Redaction for Node.js / Developer Guide / Advanced...
Round-trip a document through HTML so a web editor can change it, then save it back with GroupDocs.Total ForNode.jsViaJava — runnable JavaScript examples with downloadable files....Viewer Product Solution GroupDocs.../ GroupDocs.Total for Node.jsviaJava / Developer guide / Editor...