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Licenses for third party components used by this project can be found below.
================================================================================
The MIT License applies to:
* The default color set defined in `src/geom/color.rs` which is adapted from
the colors.css project
(https://clrs.cc/)
The MIT License (MIT)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
================================================================================
================================================================================
Alpha multiplication and source-over blending in `src/export/render.rs` are
ported from Skia code which can be found here:
https://skia.googlesource.com/skia/+/refs/heads/main/include/core/SkColorPriv.h
Copyright (c) 2011 Google Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
================================================================================
================================================================================
The SIL Open Font License Version 1.1 applies to:
* IBM Plex fonts in assets/fonts/IBMPlex*.ttf
Copyright © 2017 IBM Corp. with Reserved Font Name "Plex"
(https://github.com/IBM/plex)
* Noto fonts in assets/fonts/Noto*.ttf
Copyright 2018 The Noto Project Authors
(https://github.com/googlei18n/noto-fonts)
* PT Sans fonts in assets/fonts/PTSans*.ttf
Copyright (c) 2010, ParaType Ltd. (http://www.paratype.com/public),
with Reserved Font Names "PT Sans" and "ParaType".
* Fira Math fonts in assets/fonts/FiraMath*.otf
Copyright (C) 2018--2021 by Xiangdong Zeng <[email protected]>
(https://github.com/firamath/firamath)
* Inria fonts in assets/fonts/Inria*.ttf
Copyright 2017 The Inria Sans Project Authors
(https://github.com/BlackFoundryCom/InriaFonts)
* Linux Libertine fonts in assets/fonts/LinLibertine*.ttf
Copyright (c) 2003–2012, Philipp H. Poll
(www.linuxlibertine.org | gillian at linuxlibertine.org),
with Reserved Font Name "Linux Libertine" and "Biolinum".
-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
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to any document created using the fonts or their derivatives.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
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OTHER DEALINGS IN THE FONT SOFTWARE.
================================================================================
================================================================================
The Apache License Version 2.0 applies to:
* Roboto fonts in assets/fonts/Roboto*.ttf
(https://github.com/googlefonts/roboto)
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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END OF TERMS AND CONDITIONS
================================================================================
================================================================================
The Ubuntu Font License Version 1.0 applies to:
* Ubuntu fonts in assets/fonts/Ubuntu*.ttf
(https://design.ubuntu.com/font/)
-------------------------------
UBUNTU FONT LICENCE Version 1.0
-------------------------------
PREAMBLE
This licence allows the licensed fonts to be used, studied, modified and
redistributed freely. The fonts, including any derivative works, can be
bundled, embedded, and redistributed provided the terms of this licence
are met. The fonts and derivatives, however, cannot be released under
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licence does not require any document created using the fonts or their
derivatives to be published under this licence, as long as the primary
purpose of the document is not to be a vehicle for the distribution of
the fonts.
DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this licence and clearly marked as such. This may
include source files, build scripts and documentation.
"Original Version" refers to the collection of Font Software components
as received under this licence.
"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to
a new environment.
"Copyright Holder(s)" refers to all individuals and companies who have a
copyright ownership of the Font Software.
"Substantially Changed" refers to Modified Versions which can be easily
identified as dissimilar to the Font Software by users of the Font
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To "Propagate" a work means to do anything with it that, without
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PERMISSION & CONDITIONS
This licence does not grant any rights under trademark law and all such
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Permission is hereby granted, free of charge, to any person obtaining a
copy of the Font Software, to propagate the Font Software, subject to
the below conditions:
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The GUST Font License Version 1.0 applies to:
* Latin Modern fonts in assets/fonts/LatinModern*.otf
(http://www.gust.org.pl/projects/e-foundry/lm-math)
* NewComputerModern fonts in assets/fonts/NewCM*.otf
% This is version 1.0, dated 22 June 2009, of the GUST Font License.
% (GUST is the Polish TeX Users Group, http://www.gust.org.pl)
%
% For the most recent version of this license see
% http://www.gust.org.pl/fonts/licenses/GUST-FONT-LICENSE.txt
% or
% http://tug.org/fonts/licenses/GUST-FONT-LICENSE.txt
%
% This work may be distributed and/or modified under the conditions
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%
% Please also observe the following clause:
% 1) it is requested, but not legally required, that derived works be
% distributed only after changing the names of the fonts comprising this
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% new names. Any exceptions to this request are also given in the
% manifest.
%
% We recommend the manifest be given in a separate file named
% MANIFEST-<fontid>.txt, where <fontid> is some unique identification
% of the font family. If a separate "readme" file accompanies the Work,
% we recommend a name of the form README-<fontid>.txt.
%
% The latest version of the LaTeX Project Public License is in
% http://www.latex-project.org/lppl.txt and version 1.3c or later
% is part of all distributions of LaTeX version 2006/05/20 or later.
================================================================================
================================================================================
The Creative Commons Attribution 4.0 International License applies to:
* Twitter Color Emoji font in assets/fonts/TwitterColorEmoji.ttf
Copyright 2016 Brad Erickson
Copyright 2016 Twitter, Inc.
(https://github.com/eosrei/twemoji-color-font)
* SVG icons in tools/test-helper/images
These are slightly modified versions of emojis from the Twemoji emoji set.
Copyright 2020 Twitter, Inc and other contributors
(https://github.com/twitter/twemoji)
* Monkey emoji in assets/files/monkey.svg
Copyright 2018 Vincent Le Moign, Streamline Emoji Project
Via Wikimedia Commons
(https://commons.wikimedia.org/wiki/File:440-monkey.svg)
Partially minified using SVGO
Attribution 4.0 International
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The terms below apply to:
* DejaVu fonts in assets/fonts/DejaVu*.ttf
(https://github.com/dejavu-fonts/dejavu-fonts)
Fonts are (c) Bitstream (see below). DejaVu changes are in public domain.
Glyphs imported from Arev fonts are (c) Tavmjong Bah (see below)
Bitstream Vera Fonts Copyright
------------------------------
Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is
a trademark of Bitstream, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of the fonts accompanying this license ("Fonts") and associated
documentation files (the "Font Software"), to reproduce and distribute the
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publish, distribute, and/or sell copies of the Font Software, and to permit
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The above copyright and trademark notices and this permission notice shall
be included in all copies of one or more of the Font Software typefaces.
The Font Software may be modified, altered, or added to, and in particular
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This License becomes null and void to the extent applicable to Fonts or Font
Software that has been modified and is distributed under the "Bitstream
Vera" names.
The Font Software may be sold as part of a larger software package but no
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THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
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Except as contained in this notice, the names of Gnome, the Gnome
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without prior written authorization from the Gnome Foundation or Bitstream
Inc., respectively. For further information, contact: fonts at gnome dot
org.
Arev Fonts Copyright
------------------------------
Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining
a copy of the fonts accompanying this license ("Fonts") and
associated documentation files (the "Font Software"), to reproduce
and distribute the modifications to the Bitstream Vera Font Software,
including without limitation the rights to use, copy, merge, publish,
distribute, and/or sell copies of the Font Software, and to permit
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The above copyright and trademark notices and this permission notice
shall be included in all copies of one or more of the Font Software
typefaces.
The Font Software may be modified, altered, or added to, and in
particular the designs of glyphs or characters in the Fonts may be
modified and additional glyphs or characters may be added to the
Fonts, only if the fonts are renamed to names not containing either