Hide some messages into a image
➜ image-trick git:(master) ✗ yarn start -h
yarn run v1.12.0
$ node src/index.js -h
Usage: index [options]
Options:
-V, --version output the version number
-i, --image <image> set source image, e.g. https://abc.com/d.jpg
-t, --text <text> set shown text
-s, --spliter <s> set spliter
-c, --codec <c> set codec, default: "hex,base64", accept: [hex, base64, jwt] e.g. "hex,jwt"
-H, --height <h> set height, e.g. 40 or 50%, and width will be computed to keep aspect ratio
-h, --help output usage information
Generate a ascii image containing encoded messages:
$ yarn start -H 20 --text hohoho --codec hex,base64
Used args:
--------------------
- image: https://upload.wikimedia.org/wikipedia/commons/d/d9/Edsger_Wybe_Dijkstra.jpg
- text: hohoho
- spliter: //////
- codec: hex,base64
--------------------
----------------
code: Njg2ZjY4NmY2ODZm
decoded: hohoho
----------------
fetching and generating...
