We're pleased to announce the release of Spire.PDF for Python 10.7.1. This version supports converting PDF documents to PPTX documents, and also adds new encryption and decryption interfaces for PDF documents. In addition, some issues that occurred when converting PDF to PDF/A and HTML have been successfully fixed. More details are listed below.
Here is a list of changes made in this release
| Category | ID | Description |
| New feature | SPIREPDF-6830 | Adds new encryption and decryption interfaces for PDF documents.
# Encryption
pdfDocument = PdfDocument()
securityPolicy = PdfPasswordSecurityPolicy("123456789", "M123456789")
securityPolicy.EncryptionAlgorithm = PdfEncryptionAlgorithm.AES_128
securityPolicy.DocumentPrivilege = PdfDocumentPrivilege.ForbidAll()
securityPolicy.DocumentPrivilege.AllowPrint = True
pdfDocument.Encrypt(securityPolicy)
pdfMargin = PdfMargins()
unitCvtr = PdfUnitConvertor()
pdfMargin.Left = unitCvtr.ConvertUnits(0, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point)
pdfMargin.Right = unitCvtr.ConvertUnits(0,PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point)
pdfMargin.Top = unitCvtr.ConvertUnits(0, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point)
pdfMargin.Bottom = unitCvtr.ConvertUnits(0, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point)
pageSize = PdfPageSize.A4()
spirePage = pdfDocument.Pages.Add(pageSize, pdfMargin)
pdfDocument.SaveToFile("1.pdf", FileFormat.PDF)
pdfDocument.Dispose()
# Decryption
pdfDocument = PdfDocument()
pdfDocument.LoadFromFile("input.pdf","123456789")
pdfDocument.Decrypt("M123456789")
pdfDocument.SaveToFile("output.pdf", FileFormat.PDF)
pdfDocument.Dispose()
|
| New feature | SPIREPDF-6853 | Adds a method to delete images.
pdf = PdfDocument() pdf.LoadFromFile(inputfile) page = pdf.Pages[0] imageHelper = PdfImageHelper() imageInfos = imageHelper.GetImagesInfo(page) imageHelper.DeleteImage(imageInfos[0]) pdf.SaveToFile(outputFile, FileFormat.PDF) pdf.Close() |
| New feature | SPIREPDF-6861 | Supports converting PDF documents to PPTX documents.
pdfDocument = PdfDocument()
pdfDocument.LoadFromFile("Sample.pdf")
pdfDocument.SaveToFile("ConvertPDFtoPowerPoint.pptx", FileFormat.PPTX)
|
| Bug | SPIREPDF-6511 | Fixes the issue that the application threw "Cannot find table 'loca' in the font file" when loading SVG files. |
| Bug | SPIREPDF-6737 | Fixes the issue that the hyperlinks became inactive after converting PDF documents to PDF/A documents. |
| Bug | SPIREPDF-6817 | Fixes the issue that the red annotations were lost after converting PDF documents to HTML documents. |
Click the link to download Spire.PDF for Python 10.7.1：
