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| 1 | +The source code to this library used with SDL_image can be found here: |
| 2 | +https://hg.libsdl.org/SDL_image/file/default/external |
| 3 | +--- |
| 4 | + |
| 5 | +LEGAL ISSUES |
| 6 | +============ |
| 7 | + |
| 8 | +In plain English: |
| 9 | + |
| 10 | +1. We don't promise that this software works. (But if you find any bugs, |
| 11 | + please let us know!) |
| 12 | +2. You can use this software for whatever you want. You don't have to pay us. |
| 13 | +3. You may not pretend that you wrote this software. If you use it in a |
| 14 | + program, you must acknowledge somewhere in your documentation that |
| 15 | + you've used the IJG code. |
| 16 | + |
| 17 | +In legalese: |
| 18 | + |
| 19 | +The authors make NO WARRANTY or representation, either express or implied, |
| 20 | +with respect to this software, its quality, accuracy, merchantability, or |
| 21 | +fitness for a particular purpose. This software is provided "AS IS", and you, |
| 22 | +its user, assume the entire risk as to its quality and accuracy. |
| 23 | + |
| 24 | +This software is copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding. |
| 25 | +All Rights Reserved except as specified below. |
| 26 | + |
| 27 | +Permission is hereby granted to use, copy, modify, and distribute this |
| 28 | +software (or portions thereof) for any purpose, without fee, subject to these |
| 29 | +conditions: |
| 30 | +(1) If any part of the source code for this software is distributed, then this |
| 31 | +README file must be included, with this copyright and no-warranty notice |
| 32 | +unaltered; and any additions, deletions, or changes to the original files |
| 33 | +must be clearly indicated in accompanying documentation. |
| 34 | +(2) If only executable code is distributed, then the accompanying |
| 35 | +documentation must state that "this software is based in part on the work of |
| 36 | +the Independent JPEG Group". |
| 37 | +(3) Permission for use of this software is granted only if the user accepts |
| 38 | +full responsibility for any undesirable consequences; the authors accept |
| 39 | +NO LIABILITY for damages of any kind. |
| 40 | + |
| 41 | +These conditions apply to any software derived from or based on the IJG code, |
| 42 | +not just to the unmodified library. If you use our work, you ought to |
| 43 | +acknowledge us. |
| 44 | + |
| 45 | +Permission is NOT granted for the use of any IJG author's name or company name |
| 46 | +in advertising or publicity relating to this software or products derived from |
| 47 | +it. This software may be referred to only as "the Independent JPEG Group's |
| 48 | +software". |
| 49 | + |
| 50 | +We specifically permit and encourage the use of this software as the basis of |
| 51 | +commercial products, provided that all warranty or liability claims are |
| 52 | +assumed by the product vendor. |
| 53 | + |
| 54 | + |
| 55 | +The Unix configuration script "configure" was produced with GNU Autoconf. |
| 56 | +It is copyright by the Free Software Foundation but is freely distributable. |
| 57 | +The same holds for its supporting scripts (config.guess, config.sub, |
| 58 | +ltmain.sh). Another support script, install-sh, is copyright by X Consortium |
| 59 | +but is also freely distributable. |
| 60 | + |
| 61 | +The IJG distribution formerly included code to read and write GIF files. |
| 62 | +To avoid entanglement with the Unisys LZW patent (now expired), GIF reading |
| 63 | +support has been removed altogether, and the GIF writer has been simplified |
| 64 | +to produce "uncompressed GIFs". This technique does not use the LZW |
| 65 | +algorithm; the resulting GIF files are larger than usual, but are readable |
| 66 | +by all standard GIF decoders. |
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