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Type-1 font subsetting by jkseppan · Pull Request #20716 · matplotlib/matplotlib · GitHub

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Type-1 font subsetting #20716

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Merged
QuLogic merged 6 commits into from
Jun 6, 2025
Conversation 68 Commits 6 Checks 0 Files changed
Merged

Type-1 font subsetting #20716

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76d8b3c
Type-1 subsetting
jkseppan Jul 22, 2021
22198e9
DOC: tweak wording in docstring
tacaswell May 15, 2025
53355ca
Simplify match expression
jkseppan May 30, 2025
c77a459
Use one font descriptor for each Type-1 font
jkseppan May 31, 2025
8abab03
Keep a non-functional type1Descriptors
jkseppan Jun 4, 2025
d5ab3b0
Install extra TeX fonts on one runner only
jkseppan Jun 5, 2025
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7 changes: 5 additions & 2 deletions .github/workflows/tests.yml
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Expand Up @@ -64,8 +64,10 @@ jobs:
python-version: '3.12'
# https://github.com/matplotlib/matplotlib/issues/29844
pygobject-ver: '<3.52.0'
- os: ubuntu-22.04
- name-suffix: "(Extra TeX packages)"
os: ubuntu-22.04
python-version: '3.13'
extra-packages: 'texlive-fonts-extra texlive-lang-cyrillic'
# https://github.com/matplotlib/matplotlib/issues/29844
pygobject-ver: '<3.52.0'
- name-suffix: "Free-threaded"
Expand Down Expand Up @@ -142,7 +144,8 @@ jobs:
texlive-latex-recommended \
texlive-luatex \
texlive-pictures \
texlive-xetex
texlive-xetex \
${{ matrix.extra-packages }}
if [[ "${{ matrix.name-suffix }}" != '(Minimum Versions)' ]]; then
sudo apt-get install -yy --no-install-recommends ffmpeg poppler-utils
fi
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9 changes: 9 additions & 0 deletions doc/users/next_whats_new/type1_subset.rst
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@@ -0,0 +1,9 @@
PDF files created with usetex now embed subsets of Type 1 fonts
---------------------------------------------------------------

When using the PDF backend with the usetex feature,
Matplotlib calls TeX to render the text and formulas in the figure.
The fonts that get used are usually "Type 1" fonts.
They used to be embedded in full
but are now limited to the glyphs that are actually used in the figure.
This reduces the size of the resulting PDF files.

jklymak May 14, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

This reads well to me. Thanks!
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