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A comment on Embedded PDF viewer in Firefox 81 supports filling forms. Parent comment

Re:Embedded PDF viewer in Firefox 81 supports filling forms by phpdave11 on Tuesday September 22, 2020 @03:45PM (#24558951)
It's really not that difficult if you read and understand the PDF specification. As a learning exercise, I created a simple PDF generator library that creates ASCII PDF documents (you can open them in Notepad) and includes comments about what each drawing instruction does.

https://github.com/phpdave11/davepdf

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Re:Embedded PDF viewer in Firefox 81 supports filling forms by recursive on Tuesday September 22, 2020 @05:04PM (#24559874)
I'm sure generating PDFs is much easier than reading them, such that "it just works" with any kind of PDF.
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Re:Embedded PDF viewer in Firefox 81 supports filling forms by phpdave11 on Tuesday September 22, 2020 @06:15PM (#24560611)
Reading them is also easy. I wrote a library that reads PDFs and imports page(s) from an existing PDF into a new PDF as a Form XObject.

https://github.com/phpdave11/gofpdi

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