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| author | James R. Barlow <james@purplerock.ca> | 2022-04-05 16:04:45 -0700 |
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| committer | James R. Barlow <james@purplerock.ca> | 2022-04-05 16:04:45 -0700 |
| commit | 24f1b57288681b86c8b65a9502f801fcb23ca443 (patch) | |
| tree | b47ac103dde4cc21c0ccf63227867c28918628ee | |
| parent | 43302d7e1242263479768c17c5d00b9112654dc3 (diff) | |
| parent | fed0226761a7166f79ec8c71b66ce7edd284fb7d (diff) | |
| download | ocrmypdf-24f1b57288681b86c8b65a9502f801fcb23ca443.tar.gz | |
Merge branch 'master' of github.com:ocrmypdf/OCRmyPDF
| -rw-r--r-- | docs/jbig2.rst | 3 | ||||
| -rw-r--r-- | docs/languages.rst | 27 |
2 files changed, 30 insertions, 0 deletions
diff --git a/docs/jbig2.rst b/docs/jbig2.rst index c49f0e9c..2e7b7746 100644 --- a/docs/jbig2.rst +++ b/docs/jbig2.rst @@ -32,6 +32,9 @@ For all other Linux, you must build a JBIG2 encoder from source: .. _jbig2-lossy: +Dependencies include libtoolize and libleptonica, which on Ubuntu systems +are packaged as libtool and libleptonica-dev. + Lossy mode JBIG2 ================ diff --git a/docs/languages.rst b/docs/languages.rst index 45dfac6f..76c0c778 100644 --- a/docs/languages.rst +++ b/docs/languages.rst @@ -54,6 +54,33 @@ to what languages it should search for. Multiple languages can be requested using either ``-l eng+fra`` (English and French) or ``-l eng -l fra``. +Gentoo users +============ + +On Gentoo the package ``app-text/tessdata_fast``, which ``app-text/tesseract`` depends on, handles Tesseract languages. +It accepts USE flags to select what languages should be installed, these can be set in ``/etc/portage/package.use``. +Alternatively one can globally set the `L10N use extension <https://wiki.gentoo.org/wiki/Localization/Guide#L10N>`__ in ``/etc/portage/make.conf``. +This enables these languages for all packages (e.g. including aspell). + +.. code-block:: bash + + # Display a list of all Tesseract language packs + equery uses app-text/tessdata_fast + + # Add English and German language support for Tesseract only + echo 'app-text/tessdata_fast l10n_de l10n_en' >> /etc/portage/package.use + + # Add global English and German language support (the `l10n_` from equery has to be omited) + echo L10N="de en" >> /etc/portage/make.conf + + # update system to reflect changed USE flags + emerge --update --deep --newuse @world + +You can then pass the ``-l LANG`` argument to OCRmyPDF to give a hint as +to what languages it should search for. Multiple languages can be +requested using either ``-l eng+fra`` (English and French) or +``-l eng -l fra``. + macOS users =========== |