Thanks!

For a PDF I extract the text and a screenshot of each page as an image (PNG).

If the user enters the word "Schaltfläche" I want to mark it in the PNG like this:

I'm searching an example how to mark a text (which should be found within the image once or many times) within an image.
Must I convert the image to PDF to be able to mark the text?

Actually I refered to ".dotm", which is also existing (word template with macros). But this document type works.

Currently I can't convert XLSM-Files (Excel with Macro) to PDF. Is it planned to support this? I load the files using Streams. Also if I force to use the DocumentFormat XLS it is not loaded: if (_filename.ToLowerInvariant().EndsWith(".xlsm")) { documentFormat = GdPicture14.DocumentFormat.D...

Yes, I've seen the requirements after writing this post.
Are there plans to enable Gd.Picture to run in all .NET Core Environments?

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