[Libreoffice-bugs] [Bug 137746] New: [FILESAVE PDF] slow export of shape with gradient fill and linear transparency

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137746

            Bug ID: 137746
           Summary: [FILESAVE PDF] slow export of shape with gradient fill
                    and linear transparency
           Product: LibreOffice
           Version: 7.0.0.2 rc
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: pablo.platt at gmail.com

Description:
The attached gradient-linear-transparency.odp has a shape with gradient fill
and linear transparency. Converting to PDF from the command line takes 3.2
seconds compared to 1.3 seconds with a solid transparency. When exporting a
presentation with many slides and gradients this adds up.

Steps to Reproduce:
1. Measure the time it takes to convert gradient-linear.transparency.odp to pdf
with the following Linux command:
time libreoffice --headless --convert-to pdf gradient-linear-transparency.odp
2. Compare with the time it takes to convert the other attached presentations:
time libreoffice --headless --convert-to pdf gradient-solid-transparency.odp

Actual Results:
Conversion of the gradient-linear-transparency.odp takes about 3.2s.
Conversion of the other presentations takes about 1.3s.

Expected Results:
Faster conversion to PDF.


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.0.2.2
Build ID: 00(Build:2)
CPU threads: 1; OS: Linux 5.4; UI render: default; VCL: gtk3
Locale: en-US (en_IL); UI: en-US
Ubuntu package version: 1:7.0.2_rc2-0ubuntu0.20.04.2
Calc: threaded

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