Question 1

How to deploy pdfium.dll with my PdfiumLib application?

Accepted Answer

Download the required version (chromium/7242) from the pdfium-binaries GitHub repo and include it in your application directory. Ensure compatibility with 32-bit or 64-bit builds, and handle distribution separately, as it's an external dependency.

Question 2

Does PdfiumLib support PDF forms and how do I interact with them?

Accepted Answer

Yes, PdfiumLib includes forms support. Enable it via component properties, and use event handlers to manage form field interactions, allowing users to fill and submit forms directly within the Delphi application.

Question 3

PdfiumLib vs. SynPDF: which is better for Delphi projects?

Accepted Answer

PdfiumLib leverages PDFium for high-performance rendering and advanced features like page import, but requires an external DLL. SynPDF is a pure Delphi library with no dependencies but may have fewer features. Choose PdfiumLib for robustness, SynPDF for simplicity.

Question 4

Can PdfiumLib handle PDF/A compliant documents?

Accepted Answer

PdfiumLib relies on PDFium, which supports various PDF standards, but specific compliance like PDF/A depends on the PDFium version. Check the pdfium-binaries repository for details on supported formats and any limitations.

Question 5

How to implement text search and highlight in PdfiumLib?

Accepted Answer

Use the component's built-in text highlighting feature for search results. Call methods to search text within the PDF, and customize highlight colors and interactions through properties and events provided by the control.

Question 6

Is PdfiumLib free for commercial use?

Accepted Answer

PdfiumLib is open-source, but it uses PDFium, which is under Google's license. Verify the current licensing terms from the pdfium-binaries repository to ensure compliance, as it may affect commercial deployment.

PdfiumLib

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