Charte graphique appliquée à l'application, passe d'ergonomie #18
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@@ -27,8 +27,15 @@ Les contenus pédagogiques (leçons, textes) sont sous licence CC BY-SA 4.0.
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(Juan Pablo del Peral, Huerta Tipográfica), licence
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SIL Open Font License 1.1 — https://github.com/google/fonts/tree/main/ofl/alegreyasans
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Ses tracés (graisse Bold) composent le logotype, dans `docs/identite/logo/`.
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Cinq graisses (Regular, Italic, Medium, Bold, ExtraBold) sont embarquées
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dans l'application (`web/fonts/`, avec la licence `OFL.txt`), réduites aux
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caractères latins et converties en woff2 par fontTools (143 Ko en tout).
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- **Logo et icônes d'Ustagammon** (`docs/identite/logo/`), licence
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CC BY-SA 4.0 ; publiés dans `icons/` du site (favicon, icônes de la PWA,
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logo de la barre haute).
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- **fontTools** (MIT), utilisé par `docs/identite/generer-logo.py` pour
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convertir le texte du logotype en tracés.
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convertir le texte du logotype en tracés, et pour produire les fichiers
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woff2 de la police ; avec **Brotli** (MIT), qui les compresse.
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## Outils de développement
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@@ -47,6 +47,24 @@ python3 -I docs/identite/generer-logo.py build/police/AlegreyaSans-Bold.ttf docs
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Les PNG sont des rendus des SVG par Chrome sans interface
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(`google-chrome --headless --screenshot`), à la taille indiquée dans leur nom.
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## Police de l'application
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`web/fonts/` contient Alegreya Sans en cinq graisses, réduite aux caractères
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latins (français compris) et convertie en woff2, soit 143 Ko au lieu de
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1,3 Mo en TTF. Pour la refaire, depuis les TTF de
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https://github.com/google/fonts/tree/main/ofl/alegreyasans (Python 3,
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fontTools et brotli, par exemple dans l'image `emscripten/emsdk`) :
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```sh
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pip install fonttools brotli
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for f in Regular Italic Medium Bold ExtraBold; do
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python3 -m fontTools.subset AlegreyaSans-$f.ttf \
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--output-file=web/fonts/AlegreyaSans-$f.woff2 --flavor=woff2 \
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--unicodes="U+0020-007E,U+00A0-00FF,U+0152-0153,U+0178,U+02BC,U+02C6,U+02DC,U+2009,U+2011,U+2013-2014,U+2018-201E,U+2022,U+2026,U+202F,U+2039-203A,U+20AC,U+2192,U+2212" \
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--layout-features='*' --name-IDs='*' --name-languages='*'
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done
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```
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## Charte graphique
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La charte complète (couleurs des deux thèmes, typographie, composants) est dans
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@@ -0,0 +1,93 @@
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Copyright 2013 The Alegreya Sans Project Authors (https://github.com/huertatipografica/Alegreya-Sans)
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This Font Software is licensed under the SIL Open Font License, Version 1.1.
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This license is copied below, and is also available with a FAQ at:
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http://scripts.sil.org/OFL
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-----------------------------------------------------------
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SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
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-----------------------------------------------------------
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PREAMBLE
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The goals of the Open Font License (OFL) are to stimulate worldwide
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development of collaborative font projects, to support the font creation
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efforts of academic and linguistic communities, and to provide a free and
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open framework in which fonts may be shared and improved in partnership
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with others.
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The OFL allows the licensed fonts to be used, studied, modified and
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redistributed freely as long as they are not sold by themselves. The
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fonts, including any derivative works, can be bundled, embedded,
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redistributed and/or sold with any software provided that any reserved
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names are not used by derivative works. The fonts and derivatives,
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however, cannot be released under any other type of license. The
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requirement for fonts to remain under this license does not apply
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to any document created using the fonts or their derivatives.
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DEFINITIONS
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"Font Software" refers to the set of files released by the Copyright
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Holder(s) under this license and clearly marked as such. This may
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include source files, build scripts and documentation.
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"Reserved Font Name" refers to any names specified as such after the
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copyright statement(s).
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"Original Version" refers to the collection of Font Software components as
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distributed by the Copyright Holder(s).
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"Modified Version" refers to any derivative made by adding to, deleting,
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or substituting -- in part or in whole -- any of the components of the
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Original Version, by changing formats or by porting the Font Software to a
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new environment.
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"Author" refers to any designer, engineer, programmer, technical
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writer or other person who contributed to the Font Software.
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PERMISSION & CONDITIONS
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of the Font Software, to use, study, copy, merge, embed, modify,
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redistribute, and sell modified and unmodified copies of the Font
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Software, subject to the following conditions:
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1) Neither the Font Software nor any of its individual components,
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in Original or Modified Versions, may be sold by itself.
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2) Original or Modified Versions of the Font Software may be bundled,
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redistributed and/or sold with any software, provided that each copy
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contains the above copyright notice and this license. These can be
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included either as stand-alone text files, human-readable headers or
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in the appropriate machine-readable metadata fields within text or
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binary files as long as those fields can be easily viewed by the user.
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3) No Modified Version of the Font Software may use the Reserved Font
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Name(s) unless explicit written permission is granted by the corresponding
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Copyright Holder. This restriction only applies to the primary font name as
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presented to the users.
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4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
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Software shall not be used to promote, endorse or advertise any
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Modified Version, except to acknowledge the contribution(s) of the
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Copyright Holder(s) and the Author(s) or with their explicit written
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permission.
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5) The Font Software, modified or unmodified, in part or in whole,
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must be distributed entirely under this license, and must not be
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distributed under any other license. The requirement for fonts to
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remain under this license does not apply to any document created
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using the Font Software.
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TERMINATION
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This license becomes null and void if any of the above conditions are
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not met.
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DISCLAIMER
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THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
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COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
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DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
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OTHER DEALINGS IN THE FONT SOFTWARE.
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