[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #17 from V Stuart Foote  ---
*** Bug 108726 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

V Stuart Foote  changed:

   What|Removed |Added

Summary|Pdfium based insertion of a |Pdfium based insertion of a
   |PDF as image results in |PDF as image results in
   |unwanted solid background,  |unwanted solid background
   |enhancement request to  |
   |support break after insert  |
   |(comment 4) |

--- Comment #16 from V Stuart Foote  ---
For bug 133547, seems the break is functioning correctly now for an inserted
PDF image.  Specific resulting LO Draw objects get scattered over canvas
(anchoring issues by object type), but the core 'break' seems functional.

So, issue here remains the lack of an Alpha channel with the inserted image
rendered to canvas as BMP raster meta, and the fixed ppi default at 96ppi of
that raster.

And, it would be nice if the pdfium optionally supported insertion as vector
directly. And if  'break' to Draw objects could gain improved fidelity to
original layout.

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #15 from Miklos Vajna  ---
I don't think it's impossible with the bitmap-based approach we currently have.
Likely it's a matter of debugging what's the problem & fixing it.

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #14 from sergio.calleg...@gmail.com ---
Is making a bitmap with an alpha channel possible with the current
infrastructure?
If so, that would be important in the short term, otherwise it is almost
impossible to use PDF images in presentations (that often have a colored
background).

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #13 from Miklos Vajna  ---
See , just
rendering at higher resolution is not a great idea.

For vector output, there are two problems:

1) Skia is the runtime-default on Windows, it's disabled on Linux/macOS by
default; so in case pdfium wants to do skia API calls unconditionally, we're
not there yet.

2) pdfium itself defaults to agg to produce pixel output, its skia backend is
still experimental, see
.

Both are possible to solve long-term, but don't expect an instant fix.

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

V Stuart Foote  changed:

   What|Removed |Added

 CC||l.lu...@collabora.com,
   ||qui...@gmail.com

--- Comment #12 from V Stuart Foote  ---
Luboš, Miklos, *

A bit fuzzy as to the lash ups, but regards comment 4 are we getting to a point
we can start thinking about PDFium onto Skia backend for vector content?

Otherwise, could we start handling the PDFium raster output at higher
resolution (bug 115811) and with functional transparency--does Skia get us
there sooner?

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #11 from sergio.calleg...@gmail.com ---
Created attachment 161711
  --> https://bugs.documentfoundation.org/attachment.cgi?id=161711=edit
Demo of inserting an image with no background when the page has a background
color

See the "white box" effect when inserting an image with no background

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

sergio.calleg...@gmail.com changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=13
   ||3547

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

--- Comment #10 from sergio.calleg...@gmail.com ---
Now evident that these are really two independent issues.

- Unwanted solid background is still there as of LibO 7.0 beta 1.

- Ability to break the image to make it editable is now restored in LibO 6, but
broken again in 7 beta 1. Now this has its own bug 133547

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

V Stuart Foote  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=11
   ||3441

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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

V Stuart Foote  changed:

   What|Removed |Added

 Blocks||114233


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=114233
[Bug 114233] [META] PDF insert/embed bugs and enhancements
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[Libreoffice-bugs] [Bug 106581] Pdfium based insertion of a PDF as image results in unwanted solid background, enhancement request to support break after insert (comment 4)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=106581

sergio.calleg...@gmail.com changed:

   What|Removed |Added

Summary|Pdfium based insertion of a |Pdfium based insertion of a
   |PDF as image results in |PDF as image results in
   |poor import quality,|unwanted solid background,
   |enhancement to support  |enhancement request to
   |break after insert (comment |support break after insert
   |4)  |(comment 4)

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