Description:
qrpic 0.3
A command-line tool to create beautiful QR-codes with perfectly fitting logos!
Usage
qrpic takes (for the moment) only SVG images and produces an output SVG.
You invoke it simply with
qrpic "data text or link you want in your qr code" path-to-logo.svg
qrpic computes the exact shape of the SVG and removes QR-code pixels that are
in the way, so they don’t disturb your logo.
qrpic offers various options to control the logo size, adding shells and buffer
areas around your logo so it looks proper with just the right amount of spacing.
For more info, query qrpic --help:
usage: qrpic [-h] [--out FILE] [--shell {none,viewbox,convex,boundary-box}]
[--ppi VALUE] [--svg-area VALUE] [--border VALUE]
[--error-correction {high,medium,low}] [--buffer VALUE]
[--shape-resolution VALUE]
TEXT SVG-FILE
Generates QR-codes with centered logo images from SVGs in a beautiful manner,
by not just overlaying them but also removing QR-code pixels properly so they
do not interfere with the logo. Note that this tool does not (yet) check
whether the generated QR-code is actually valid.
positional arguments:
TEXT The QR-code text.
SVG-FILE Logo SVG to center inside the QR code to be generated.
optional arguments:
-h, --help show this help message and exit
--out FILE Output filename. If none specified, outputs to stdout.
--shell {none,viewbox,convex,boundary-box}
Different types of shells to enclose the given SVG
shape where to remove QR-code pixels. none (default):
No shell geometry is applied. Removes pixels as per
geometry inside the given svg. viewbox: Assume the SVG
defined viewbox to be the shell. convex: Applies a
convex hull. boundary-box: Applies a minimal boundary
box around the SVG geometry.
--ppi VALUE Pixels per inch. Can be used to override the default
value of 96 for SVGs as defined per standard.
--svg-area VALUE Relative area of the SVG image to occupy inside the
QR-code (default 0.2).
--border VALUE Amount of border pixels around the final QR-code.
Default is 1.
--error-correction {high,medium,low}
QR-code error correction level. By default "high" for
maximum tolerance.
--buffer VALUE A round buffer around the SVG shape/shell to add
(default is 0.04). The buffer is a relative measure.
To deactivate the buffer, just pass 0 as value.
--shape-resolution VALUE
The interpolation resolution of circular geometry such
as SVG circles or buffers (default 32).
Note
qrpic is currently very much a prototype. It works, but the SVG parsing and
shape extraction capabilities are in the moment limited.
If you encounter such a limitation or ugly output, please
file an issue!
Roadmap
Better SVG parsing and shape extraction
Support non-vector graphics such as PNG, JPG, etc. Properly handle
image transparency
QR-code verification step
Use minimally necessary QR-code error correction level
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
Files:
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