Showcolours
===========
Read a list of colours from the command-line, and display them in the browser.
Invocation:
# red and light green
./showcolours.py rgb 255 0 0 128 255 128 > tmp.html && xdg-open tmp.html
# red and light green
./showcolours.py rgb 1 0 0 0.5 1 0.5 > tmp.html && xdg-open tmp.html
# red and blue
./showcolours.py rgb 1 0 0 0 0 1. > tmp.html && xdg-open tmp.html
# nearly black
./showcolours.py rgb 1 0 0 0 0 1 > tmp.html && xdg-open tmp.html
# red and light green again
./showcolours.py hex ff0000 '#88ff88' > tmp.html && xdg-open tmp.html
Run the automated test suite like so:
py.test
Run the manual-inspection testrun like so:
./testrun_showcolours.sh
Sketch of future features
-------------------------
- [x] rgb:
- [x] interpret as fractions if there is a decimal number anywhere in the
args
showcolour rgb 0.1 0.8 0.1 0.2 0.2 0.9
showcolour rgb 0 1 0 1 1. 0
- [x] interpret as 0-255 integers otherwise
showcolour rgb 200 255 255 255 255 200
- [ ] hex:
- [x] interpret as 'abbreviated notation' if each arg is 3 hex digits
showcolour hex 123 12f a88
- [x] interpret as 6-byters if each arg is 6 hex digits
showcolour hex 112233 #1122ff aa8888
- [ ] interpret as 12-byters if each arg is 12 hex digits
showcolour hex 1111aaaaffff 12128900efdf
- [ ] auto:
- [ ] hex if we see hex marks, decimal if we see decimal marks, fall back on
rgb.
- [ ] Handle 3-digit hex colours
- [ ] Handle four-channel colours