Release Highlights

Aspose.PDF for .NET 24.10 (MSI) introduces ECDSA digital signature support, HTML rendering improvements, precise image placement, and bounds-safe PDF drawing operations.

✳️ New Feature

• ECDSA PDF Signatures: Sign PDF documents using the Elliptic Curve Digital Signature Algorithm (ECDSA).

🔧 Enhancement

• HTML Underline Rendering: Underlines in PDF now rendered as CSS-style underlines when converting to HTML.
• Image Cropping on Insert: Crop image content during insertion via Page.AddImage method using source and destination rectangles.

🛠 Fix

• Resolved major rendering and conversion bugs:
  • PDF to PNG, JPG, TIFF, Greyscale, and DOCX format misrendering
  • HTML to PDF conversion errors (System.ArgumentException, System.OverflowException)
  • XPS to PDF transparency and font style loss
  • Noise, opacity, missing content during image conversions
• Fixed signature, font, and layout issues:
  • Searchable PDFs, index exceptions, removed signature slowdowns
  • Redaction, glyph mapping, and invalid conformance for PDF/A-2a
• Improved text handling:
  • TextFragmentAbsorber results accuracy
  • Invisible TextState recognition
  • Layout restoration for Arabic text in PPTX and stamp rendering issues

🔁 Public API & Backwards Incompatible Changes

• New Methods for Bounds-Checked Drawing:
  • CheckBounds(double, double) methods for shapes (e.g., Arc, Line, Circle)
• Image Cropping Support:
  • New overloads of Page.AddImage accepting source and destination Rectangle
• New Types:
  • BoundsCheckMode, BoundsCheckableList<T>, BoundsOutOfRangeException, IBoundsCheckableItem
• Removed/Obsoleted:
  • Legacy Page.AddImage() overloads without source rectangle
  • Rectangle.Contains(Point) now replaced by a version with a boolean flag

👉 You can view the full list of updates by visiting Aspose.PDF for .NET 24.10 Release Notes

ecdsa pdf signature | pdf to html underline css | crop image in pdf | pdf drawing bounds check | textfragmentabsorber accuracy