README.md

gocova

gocova is various color image generator.
It generates images of multiple patterns from one image.

Installation

$ go get -u github.com/uskey512/gocova

Usage

gocova　[options] <input>　　

options:
   --output value, -o value      output image path base (default: "./result")
   --pattern value, -p value     number of images to generate (default: 10)
   --saturation value, -s value  saturation offset [-100.0 ... 100.0] (default: 0)
   --lightness value, -l value   lightness offset [-100.0 ... 100.0] (default: 0)

Supported formats : png, jpeg, gif

In gocova, converting from RGB to HSL internally.
( see https://en.wikipedia.org/wiki/HSL_and_HSV )

-l, --lightness

$ gocova -l 30 source.png

-s, --saturation

$ gocova -s -40 source.png

Thanks

http://pictogram2.com/?lang=en

Author

Yusuke Uehara (@uskey512)

License

MIT