Enhancement request: create pdf page labels ("pagelabels") from image filenames #57

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opened 2021-04-25 19:58:21 +00:00 by josch · 0 comments

josch commented

2021-04-25 19:58:21 +00:00

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By jaimet on 2019-02-24T18:20:47.355Z

At the moment, if I create a pdf from 3 image files 1.png, 2.png and 4.png, the pdf pages will appear as 1, 2 and 3. Would it be possible to add a switch/option (eg "--pagelabelsfromfilenames") to img2pdf such that if img2pdf is run with this switch, the img2pdf will add pdf "page labels" to the pdf file , and these page labels will be taken from the filenames of the image files, such that the page numbers of the pdf file will appear as 1, 2, and 4.

I have not done much research about how pdf page labels work, but I have found:

https://superuser.com/a/430628 ("How to change internal page numbers in the meta data of a PDF?" on superuser.com)

https://www.w3.org/TR/WCAG20-TECHS/PDF17.html ("Specifying consistent page numbering for PDF documents")

https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf section 12.4.2 ("Page Labels")

(BTW, thank you very much for writing img2pdf)

By jaimet on 2019-02-25T07:30:31.272Z

I've just found https://github.com/lovasoa/pagelabels-py so feel free to close this if you want.

By josch on 2020-04-05T13:20:20.589Z

Yup, it seems that software already does a great job, so no reason to add bloat to img2pdf. Thanks! :)

By josch on 2020-04-05T13:20:20.803Z

Status changed to closed

By josch on 2020-04-13T15:19:20.625Z

Mentioned in issue #71

*By jaimet on 2019-02-24T18:20:47.355Z* At the moment, if I create a pdf from 3 image files 1.png, 2.png and 4.png, the pdf pages will appear as 1, 2 and 3. Would it be possible to add a switch/option (eg "--pagelabelsfromfilenames") to img2pdf such that if img2pdf is run with this switch, the img2pdf will add pdf "page labels" to the pdf file , and these page labels will be taken from the filenames of the image files, such that the page numbers of the pdf file will appear as 1, 2, and 4. I have not done much research about how pdf page labels work, but I have found: https://superuser.com/a/430628 ("How to change internal page numbers in the meta data of a PDF?" on superuser.com) https://www.w3.org/TR/WCAG20-TECHS/PDF17.html ("Specifying consistent page numbering for PDF documents") https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf section 12.4.2 ("Page Labels") (BTW, thank you very much for writing img2pdf) --- *By jaimet on 2019-02-25T07:30:31.272Z* --- I've just found https://github.com/lovasoa/pagelabels-py so feel free to close this if you want. --- *By josch on 2020-04-05T13:20:20.589Z* --- Yup, it seems that software already does a great job, so no reason to add bloat to img2pdf. Thanks! :) --- *By josch on 2020-04-05T13:20:20.803Z* --- Status changed to closed --- *By josch on 2020-04-13T15:19:20.625Z* --- Mentioned in issue #71