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Wrong symbols from a TrueType font #2870

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mojca opened this issue Mar 5, 2014 · 3 comments
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Wrong symbols from a TrueType font #2870

mojca opened this issue Mar 5, 2014 · 3 comments
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v3.4.0

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@mojca
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mojca commented Mar 5, 2014

When I figured out that OpenType fonts wouldn't work, I found LucidaBrightRegular.ttf in Java and tried to use it with

matplotlib.rcParams['font.family'] = 'Lucida Bright'
plt.title('abc [def](ghi)')

(I actually need this for something like plt.xlabel('length [cm]').)

But this is what I get in PDF, the closing parenthesis are rotated and displaced (or maybe the wrong symbol is used):

wrong_symbols

while PNG and native GUI on Mac OS X work fine. I'm using the latest matplotlib (9fea430) with Python 3.3.

Related issue: #2869
@mdboom
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mdboom commented Mar 18, 2014

This font declares the right bracket and parentheses as a copy of the left bracket with a different affine transformation applied. Unfortunately, our font subsetting tool, ttconv, does not support this case. Using freetype for this (as described in #2869) would probably fix this problem, but I don't think there is an easier fix. As a workaround, setting pdf.fonttype to 42 (to turn off font subsetting) works, or you can use the Cairo backend.

@mdboom mdboom closed this as completed Mar 18, 2014
@mojca
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mojca commented Mar 18, 2014

Thanks a lot for the hint, rcParams['pdf.fonttype'] = 42 saved my day. (I wish I knew about that option earlier, I spent a couple of hours trying to make an OpenType font work.)

Cairo isn't an option as it doesn't support the kind of graphics I'm using in my plot.

@jkseppan
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jkseppan commented Aug 1, 2020

Fix in #18081

@QuLogic QuLogic added this to the v3.4.0 milestone Aug 4, 2020
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@mojca @mdboom @jkseppan @QuLogic