The PDF/A-1 standard does not support transparency (the alpha channel in images is ignored).The PDF/A-1 and PDF/A-2 standards do not support attachments.All fonts that are used in PDF/A documents should be embedded. ![]() All PDF/A versions implicitly prohibit encryption.The PDF/A standard includes the following restrictions: PDF/A is an archival PDF format used for long-term preservation of electronic documents. WordProcessor.ExportToPdf("Documents\Output_Document.pdf", options) Options.PdfUACompatibility = PdfUACompatibility.PdfUA1 ' Specify document compatibility with the PDF/UA specification. WordProcessor.LoadDocument("Documents\MovieRentals.docx", DocumentFormat.OpenXml) Specify document compatibility with the PDF/UA specification. WordProcessor.LoadDocument("Documents\\MovieRentals.docx", DocumentFormat.OpenXml) ![]() Pass the class instance to the RichEditDocumentServer.ExportToPdf method to save a document as a PDF/UA document. To generate a document that conforms to the PDF/UA standard, create a PdfExportOptions class instance and set the PdfExportOptions.PdfUACompatibility property to PdfUA1. Information should not be conveyed by visual means alone (for example, contrast, color, or position on the page).Īll pictorial elements (image objects and other non-text objects such as vector objects or object groups) should have alternative text. The structure tree generated by document tags must reflect the document’s logical reading order. Objects that are not relevant for understanding document content are marked as artifacts (for example, background and decorative images, repeating information in headers and footers, page numbers). Requirements for PDF/UA compliance are consistent with the Web Content Accessibility Guidelines (WCAG) 2.0.īelow are some of the constraints the standard defines for PDF documents:Īll meaningful content should be tagged and included in the structure tree of document tags. The PDF/UA (Universal Accessibility) standard contains requirements for PDF documents to ensure accessibility and support for assistive technology. Run Demo: Save Word Documents as Accessible PDF Files Generate PDF/UA Documents You can generate PDF files that conform to the following standards: Accessible PDF formats allow users with disabilities to use screen readers and other assistive technologies to read information from PDF documents. You can save a document as a tagged (accessible) PDF document. WordProcessor.ExportToPdf(pdfFileStream, options) Using pdfFileStream As New FileStream("Document_PDF.pdf", FileMode.Create) Options.ImageQuality = PdfJpegImageQuality.Highest WordProcessor.LoadDocument("Documents\MovieRentals.docx") Using wordProcessor As New RichEditDocumentServer() Using (FileStream pdfFileStream = new FileStream("Document_PDF.pdf", FileMode.Create)) ![]() PdfExportOptions options = new PdfExportOptions() WordProcessor.LoadDocument("Documents\\MovieRentals.docx") ![]() Using (RichEditDocumentServer wordProcessor = new RichEditDocumentServer())
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