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LICENSE.txt
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LICENSE.txt
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libjpeg-turbo Licenses
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----------------------
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libjpeg-turbo is covered by three compatible BSD-style open source licenses:
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-- The IJG (Independent JPEG Group) License, which is listed in README
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This license applies to the libjpeg API library and associated programs
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(any code inherited from libjpeg, and any modifications to that code.)
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-- The Modified (3-clause) BSD License, which is listed in turbojpeg.c
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This license covers the TurboJPEG API library and associated programs.
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-- The zlib License, which is listed in simd/jsimdext.inc
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This license is a subset of the other two, and it covers the libjpeg-turbo
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SIMD extensions.
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Complying with the libjpeg-turbo Licenses
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-----------------------------------------
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This section provides a roll-up of the libjpeg-turbo licensing terms, to the
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best of our understanding.
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1. If you are distributing a modified version of the libjpeg-turbo source,
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then:
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a. You cannot alter or remove any existing copyright or license notices
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from the source.
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Origin: Clause 1 of the IJG License
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Clause 1 of the Modified BSD License
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Clauses 1 and 3 of the zlib License
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b. You must add your own copyright notice to the header of each source
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file you modified, so others can tell that you modified that file (if
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there is not an existing copyright header in that file, then you can
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simply add a notice stating that you modified the file.)
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Origin: Clause 1 of the IJG License
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Clause 2 of the zlib License
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c. You must include the IJG README file, and you must not alter any of the
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copyright or license text in that file.
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Origin: Clause 1 of the IJG License
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2. If you are distributing only libjpeg-turbo binaries without the source, or
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if you are distributing an application that statically links with
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libjpeg-turbo, then:
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a. Your product documentation must include a message stating:
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This software is based in part on the work of the Independent JPEG
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Group.
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Origin: Clause 2 of the IJG license
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b. If your binary distribution includes or uses the TurboJPEG API, then
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your product documentation must include the text of the Modified BSD
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License.
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Origin: Clause 2 of the Modified BSD License
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3. You cannot use the name of the IJG or The libjpeg-turbo Project or the
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contributors thereof in advertising, publicity, etc.
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Origin: IJG License
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Clause 3 of the Modified BSD License
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4. The IJG and The libjpeg-turbo Project do not warrant libjpeg-turbo to be
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free of defects, nor do we accept any liability for undesirable
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consequences resulting from your use of the software.
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Origin: IJG License
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Modified BSD License
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zlib License
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@@ -28,33 +28,8 @@ broader range of users and developers.
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** License
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*******************************************************************************
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Most of libjpeg-turbo inherits the non-restrictive, BSD-style license used by
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libjpeg (see README.) The TurboJPEG wrapper (both C and Java versions) and
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associated test programs bear a similar license, which is reproduced below:
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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- Neither the name of the libjpeg-turbo Project nor the names of its
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contributors may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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libjpeg-turbo is covered by three compatible BSD-style open source licenses.
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Refer to LICENSE.txt for a roll-up of license terms.
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*******************************************************************************
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