ImageWorsener is a raster image scaling and processing utility. Version 1.3.5 Copyright (c) 2011-2022 Jason Summers jason1@pobox.com
Web site: https://entropymine.com/imageworsener/
All nontrivial automated image processing causes a loss of information. While ImageWorsener will degrade your images, its goal is to degrade them as little as possible.
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This program is distributed under an MIT-style license. Refer to the included COYPING.txt file for more information.
Versions up to 1.1.0 used the GPLv3+ license.
If source code is not included in this package, it may be downloaded from the web site at https://entropymine.com/imageworsener/.
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If this package contains executable binaries, we need to state the following:
This software is based in part on the work of the Independent JPEG Group.
This software may include code from libwebp (part of the WebM project), which has the following license:
Copyright (c) 2010, Google Inc. All rights reserved. |
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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 Google 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 |
HOLDER 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. |
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For additional information about ImageWorsener, see the file technical.txt.
Primary features:
ImageWorsener is focused on correctness, and not on performance. It is relatively slow. Among the things it (hopefully) does right:
Other information:
Unfortunately, there is no documentation for the library, aside from the comments in the imagew.h header file. The original idea was to have a well- designed, stable, and documented library, but that hasn't worked out very well. The API won't be broken for no reason, but I can't make promises about compatibility between versions.
Synopsis
imagew [options]
Options may appear anywhere on the command line, even after the file names. The order of the options usually does not matter.