mirror of https://github.com/JakubMelka/PDF4QT.git
34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
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==========================================================================
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PDFforQt library / PDF viewer
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(c) Jakub Melka 2018-2019
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==========================================================================
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This software is consisting of PDF rendering library, and viewer,
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which can display PDF documents. Software is implementing the PDF
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functionality based on PDF Reference 1.7. It is written and maintained
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by Jakub Melka.
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1. ACKNOWLEDGEMENTS
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This software is based in part on the work of the Independent JPEG Group.
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Portions of this software are copyright © 2019 The FreeType
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Project (www.freetype.org). All rights reserved.
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2. LEGAL ISSUES
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Both library and viewer uses more benevolent LGPL license, so it is more
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usable in commercial software, than GPL code only. Please see attached
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file - LICENSE.txt to see details. This software also uses several
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third party software, and user of this software must also respect licenses
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of third party libraries.
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3. THIRD PARTY LIBRARIES
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a) libjpeg, see https://www.ijg.org/, version 9c.
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b) FreeType, see https://www.freetype.org/index.html, FTL license used
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c) OpenJPEG, implementing Jpeg2000, see https://www.openjpeg.org/, 2-clause MIT license
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d) Qt, https://www.qt.io/, LGPL license used
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e) OpenSSL, https://www.openssl.org/, Apache 2.0 license
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