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https://issues.apache.org/jira/browse/PDFBOX-5101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17283782#comment-17283782
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Tilman Hausherr edited comment on PDFBOX-5101 at 2/12/21, 3:58 PM:
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The white boxes are in the PDF, here's an excerpt of the content stream of the
first page:
{code}
1 g
104.9 85.224 454.51 12.6 re
f*
(...)
104.9 72.504 454.51 12.72 re
f*
(...)
104.9 59.904 454.51 12.6 re
f*
(...)
104.9 47.184 454.51 12.72 re
f*
{code}
"1 g" is white. The rest is a rectangle and fill it.
What you could do is to edit the content stream and to replace "1 g" with the
commands you used, which are
{code}
/gs4 gs
/DeviceRGB cs
0.95686 0.8 0.8 sc
{code}
or just "0.95686 0.8 0.8 rg".
See the RemoveAllText.java example to see how to access and modify the page
content stream.
was (Author: tilman):
The white boxes are in the PDF, here's an excerpt of the content stream:
{code}
1 g
104.9 85.224 454.51 12.6 re
f*
(...)
104.9 72.504 454.51 12.72 re
f*
(...)
104.9 59.904 454.51 12.6 re
f*
(...)
104.9 47.184 454.51 12.72 re
f*
{code}
"1 g" is white. The rest is a rectangle and fill it.
What you could do is to edit the content stream and to replace "1 g" with the
commands you used, which are
{code}
/gs4 gs
/DeviceRGB cs
0.95686 0.8 0.8 sc
{code}
or just "0.95686 0.8 0.8 rg".
See the RemoveAllText.java example to see how to access and modify the page
content stream.
> White boxes after adding color in background
> --------------------------------------------
>
> Key: PDFBOX-5101
> URL: https://issues.apache.org/jira/browse/PDFBOX-5101
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.21
> Reporter: Wilhelm Ziegler
> Priority: Major
> Labels: how-to
> Attachments: with BG color.PDF, without BG color.PDF
>
>
> Hey,
> I'm facing a problem when adding a background color to some documents with
> pdfbox. I am using the following code to add color do a document:
>
> {code:java}
> try (PDPageContentStream cs = new PDPageContentStream(doc, page,
> PDPageContentStream.AppendMode.PREPEND, true, true)) {
> cs.saveGraphicsState();
> cs.setGraphicsStateParameters(gs);
> cs.setNonStrokingColor(hexToColor(hexColor));
> cs.addRect(0, 0, page.getMediaBox().getWidth(),
> page.getMediaBox().getHeight()); cs.fill();
> cs.restoreGraphicsState();
> }
> {code}
> I've tried adding color in 3 different ways and always get the same problem
> (see attached documents). I don't know how to fix this and would really
> appreciate it if someone could help me out or steer me in the right
> direction. Thank you in advance
>
>
> Best regards,
> Wilhelm
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