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Scour - An SVG Optimizer / Cleaner
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Niels Thykier 91503c6d7e renameID: Replace referencedIDs with referringNodes 
This change pushes the responsibility of updating referencedIDs to its
callers where needed.  The only caller of renameIDs is shortenIDs and
that works perfectly fine without updating its copy of referencedIDs.
In shortenIDs, we need to be able to lookup which nodes referenced the
"original ID" (and not the "new ID").

While shortenIDs *could* update referencedIDs so it remained valid, it
is extra complexity for no gain.  As an example of this complexity,
imagine if two or more IDs are "rotated" like so:

      Original IDs: a, bb, ccc, dddd
      Mapping:
        dddd -> ccc
        ccc  -> bb
        bb   -> a
        a    -> dddd

While doable within reasonable performance, we do not need to support
it at the moment, so there is no reason to handle that complexity.

Signed-off-by: Niels Thykier <niels@thykier.net>
2018-04-15 17:35:05 +00:00
scour renameID: Replace referencedIDs with referringNodes 2018-04-15 17:35:05 +00:00
unittests shortenIDs: Avoid pointless renames of IDs 2018-04-15 17:34:24 +00:00
.gitignore initial source import (v0.26) and packaging 2013-10-22 16:31:42 +02:00
.travis.yml Add sudo: false to .travis.yml for faster execution of jobs 2017-02-19 18:06:57 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md with some (hopefully) useful pointers 2016-09-18 22:36:21 +02:00
HISTORY.md Fix typo in HISTORY.md 2018-03-10 13:36:49 +01:00
LICENSE initial source import (v0.26) and packaging 2013-10-22 16:31:42 +02:00
Makefile Update Makefile 2016-09-17 17:09:35 +02:00
README.md Update project description and use in both, README.md and setup.py 2017-08-06 04:38:33 +02:00
scour.sublime-project initial source import (v0.26) and packaging 2013-10-22 16:31:42 +02:00
setup.py make flake8 happier 2017-08-06 04:55:43 +02:00
testcss.py Some whitespace fixes to make newer versions of flake8 happy 2016-11-27 18:52:39 +01:00
testscour.py shortenIDs: Avoid pointless renames of IDs 2018-04-15 17:34:24 +00:00
tox.ini Add Python 3.6 to tests and simplify .travis.yml by using 'tox-travis' 2017-02-19 18:04:36 +01:00

README.md

Scour

PyPI   Build status Codecov

Scour is an SVG optimizer/cleaner that reduces the size of scalable vector graphics by optimizing structure and removing unnecessary data written in Python.

It can be used to create streamlined vector graphics suitable for web deployment, publishing/sharing or further processing.

The goal of Scour is to output a file that renderes identically at a fraction of the size by removing a lot of redundant information created by most SVG editors. Optimization options are typically lossless but can be tweaked for more agressive cleaning.

Scour is open-source and licensed under Apache License 2.0.

Scour was originally developed by Jeff "codedread" Schiller and Louis Simard in in 2010. The project moved to GitLab in 2013 an is now maintained by Tobias "oberstet" Oberstein and Eduard "Ede_123" Braun.

Installation

Scour requires Python 2.7 or 3.3+. Further, for installation, pip should be used.

To install the latest release of Scour from PyPI:

pip install scour

To install the latest trunk version (which might be broken!) from GitHub:

pip install https://github.com/codedread/scour/archive/master.zip

Usage

Standard:

scour -i input.svg -o output.svg

Better (for older versions of Internet Explorer):

scour -i input.svg -o output.svg --enable-viewboxing

Maximum scrubbing:

scour -i input.svg -o output.svg --enable-viewboxing --enable-id-stripping \
  --enable-comment-stripping --shorten-ids --indent=none

Maximum scrubbing and a compressed SVGZ file:

scour -i input.svg -o output.svgz --enable-viewboxing --enable-id-stripping \
  --enable-comment-stripping --shorten-ids --indent=none