https://bugs.documentfoundation.org/show_bug.cgi?id=160325
Bug ID: 160325
Summary: Page Style - Transparency Gradient has reversed colors
on Export to PDF
Product: LibreOffice
Version: 24.2.1.2 release
Hardware: x86-64 (AMD64)
OS: Windows (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Printing and PDF export
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: fz1...@gmail.com
Description:
I often use a transparency gradient to make the Title more clear on a Book
Cover (it helps fade out the background behind the text). Sometimes the
background is not just a picture, but a color. I noticed, since the new 24
release, that some of these gradients produce reversed coloring, on export to
PDF.
Steps to Reproduce:
1. Create a new document in Writer.
2. Make a custom Page Style for the page.
3. Right-click that Style and choose "Edit Style".
4. In the Page Style dialog, choose the Area tab, and pick a color.
4. Choose the Transparency tab, for Area Transparency Mode choose "Gradient."
5. Choose any of the first three Gradients: Linear, Axial, or Radial.
6. Set the Start value to 0%, and the End Value to 100%.
7. Choose OK to close the dialog.
8. Export to PDF. View the PDF.
Actual Results:
If you chose, for example, Red as the background color, with a Radial
transparency, you should see (in Writer) a white center fading to red on the
edges.
In the PDF, you see the opposite: a Red center, fading to white on the edges.
Expected Results:
This used to work fine in the 7.x release (and all other previous ones that I
can remember over the last 8 years).
Reproducible: Always
User Profile Reset: Yes
Additional Info:
I'm not sure this is relevant, but I'm using an Nvidia RTX A4000 graphics card.
It's shouldn't be related to this particular computer, as I just set up another
computer and did a fresh install of LibreOffice, and it has the same problem.
Also, it seems to be confined to the first three Gradient types: Linear, Axial,
or Radial. The other three types: Ellipsoid, Square, and Rectangular, seem to
work as expected.
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