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Communication-Systems-Group / pdfsign.js

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How can I sign with picture #6

Open jackeyWanFei opened 5 years ago

jackeyWanFei commented 5 years ago

I want to make a digital signature with a picture, and visible I'm found Rect[0 0 0 0 ] in code, and i change it as Rect[50 50 200 200], there is a transparent picture with signature

image

Do you know what is the data format of picture

Thanks for reading

therpobinski commented 4 years ago

Hi, Have you managed to solve this problem? I would like help, I want to add the signature information in a position, I am not using pdfKit, but a pdf that I read from my disk. Thank you!

jackeyWanFei commented 4 years ago

Hi, Have you managed to solve this problem? I would like help, I want to add the signature information in a position, I am not using pdfKit, but a pdf that I read from my disk. Thank you!

Hi, sorry about it, I just solve it recently, by only new sig. Now I try to append sig. I used this library, pdf.js and jspdf.js. First, i got a signed PDF from my colleague. And the PDF signed with iText on Android. When i got it, i decode it with pdf.js, and console.log() the orginal data of signature. But I just got some ojb except the Image data. the image data is a binarystring. So, it used jspdf.js to create a new pdf, this is very helpful. It can convert a image to binary and make a SMask obj.

jackeyWanFei commented 4 years ago

I found a lot of documents about. And asked many people, I understood some format of pdf

jackeyWanFei commented 4 years ago

Hi, Have you managed to solve this problem? I would like help, I want to add the signature information in a position, I am not using pdfKit, but a pdf that I read from my disk. Thank you!

my project