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https://issues.apache.org/jira/browse/PDFBOX-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16877077#comment-16877077
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Tilman Hausherr edited comment on PDFBOX-4556 at 7/2/19 3:46 PM:
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Here are the corrections I did:
 - "1 rg" (probably meant to be white) => replace with "1 g" or "1 1 1 rg" ("g" 
for one gray color, "rg" for three rgb colors)
 - page content stream not needed
 - BBox should be 0 0 150 150, not what you did
 - In the appearance content stream, before "BT" insert "0 rg" so that the text 
is black


was (Author: tilman):
Here are the corrections I did:
 - "1 rg" => replace with "1 g" or "1 1 1 rg" ("g" for one gray color, "rg" for 
three rgb colors)
 - page content stream not needed
 - BBox should be 0 0 150 150, not what you did
 - In the appearance content stream, before "BT" insert "0 rg" so that the text 
is black

> how the visual representation of the signature is achieved  
> ------------------------------------------------------------
>
>                 Key: PDFBOX-4556
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4556
>             Project: PDFBox
>          Issue Type: Wish
>          Components: .NET
>    Affects Versions: 1.8.16
>            Reporter: bal
>            Priority: Major
>         Attachments: as_TobeSigned.pdf, pdfImage-modified-by-tilman.pdf, 
> pdfImage1.pdf, pdfImage1_modified_by_Tilman2.pdf, png.png
>
>




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