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Posted to dev@poi.apache.org by bu...@apache.org on 2020/11/02 23:49:53 UTC
[Bug 64867] New: Provide PDF rendering with PPTX2PNG
https://bz.apache.org/bugzilla/show_bug.cgi?id=64867
Bug ID: 64867
Summary: Provide PDF rendering with PPTX2PNG
Product: POI
Version: 4.1.x-dev
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: SL Common
Assignee: dev@poi.apache.org
Reporter: kiwiwings@apache.org
Target Milestone: ---
Using the pdfbox-graphics2d [1] library, it's easy to provide PDF slideshow
rendering. Not all features of bitmap based rendering are supported but the
results for the usual test documents look really good.
[1] https://github.com/rototor/pdfbox-graphics2d
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[Bug 64867] Provide PDF rendering with PPTX2PNG
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64867
Andreas Beeker <ki...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #2 from Andreas Beeker <ki...@apache.org> ---
Add additional dependencies via r1883075
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[Bug 64867] Provide PDF rendering with PPTX2PNG
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64867
--- Comment #1 from Andreas Beeker <ki...@apache.org> ---
Applied via r1883074
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[Bug 64867] Provide PDF rendering with PPTX2PNG
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64867
--- Comment #3 from Emmeran Seehuber <ro...@rototor.de> ---
I've just released pdfbox-graphics2d version 0.29 with the fix for drawing an
image while a transparent color is active and an AlphaComposite is active.
Please fill issues in the GitHub repository for any missing features / not
working Paint mappings. I did a quick look in the POI sources, and found some
custom Paint's. Those have to be mapped explicit - if you can provide me with
some sample .pptx files which "trigger" these paints I'll try to map them.
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[Bug 64867] Provide PDF rendering with PPTX2PNG
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=64867
--- Comment #4 from Andreas Beeker <ki...@apache.org> ---
Thank you for releasing pdf-graphics2d again - I've just integrated it.
The set of (missing) fill features would be:
- texture paint with aligned patterns
- gradient fills
- WMF / EMF raster operations - see the new ROP2Table/ROP3Table
examples-classes *)
My idea to implement missing features is, to have a second BufferedImage-based
Graphics2D context which I use to extract bitmaps for those known unsupported
features
*) ..., which composite pattern (HwmfROP2/3Composite) I try to integrate now.
But failing to cover already working renderings ...
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