This article explains how to verify signatures using predicate functions (Func) with GroupDocs.Signature API to filter signatures before verification, optimizing performance by skipping unnecessary verification operations....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Signature Product...
This article shows how to extract data from Documents of various formats including PDF, Microsoft Word (DOC, DOCX), Excel (XLS, XLSX), LibreOffice formats etc....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Parser Product...
Detecting the version of a PDF Document The following sample of code will help you to detect the PDF version a loaded Document and extract some additional file format information.
Load a PDF Document Extract the root metadata package Use the getPdfType method to obtain file format information advanced_usage.managing_metadata_for_specific_formats.Document.pdf.PdfReadFileFormatProperties
try (Metadata metadata = new Metadata(Constants.InputPdf)) { PdfRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getPdfType().getFileFormat()); System.out.println(root.getPdfType().getVersion()); System.out.println(root.getPdfType().getMimeType()); System.out.println(root.getPdfType().getExtension()); } Reading built-in metadata properties To access built-in metadata of a PDF Document, please use the getDocumentProperties method defined in the DocumentRootPackage class....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Metadata Product...
GroupDocs.Watermark for .NET API presents a wide range of features like creating a watermark, removing watermark, adding watermark to photos, removing watermark from photo and more....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Watermark Product...
This topic describes how to use the GroupDocs.Viewer Java API to convert XML Documents to HTML (with and without pagination), PDF Documents, PNG, and JPEG raster formats....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Viewer Product...
This article explains how to search for QR-code electronic signatures with GroupDocs.Signature API....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Signature Product...
Get format family details & extra info about files using GroupDocs.Viewer for Python....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Viewer Product...
To extract a text from Microsoft Office Excel spreadsheets getText and getText(int) method is used. These methods allow to extract a text from the entire Document or a text from the selected page.
Here are the steps to extract a text from Microsoft Office Excel spreadsheets:
Instantiate Parser object for the initial spreadsheet; Call getText method and obtain TextReader object; Read a text from reader. Warning getText method returns null value if text extraction isn’t supported for the Document....Assembly Product Solution GroupDocs...Acquisition Ask AI GroupDocs Documentation / GroupDocs.Parser Product...