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irc-colorcode-render

v1.0.1

Published

parses irc colorcodes, and converts them to images

Downloads

5

Readme

irc-colorcode-render

parses irc colorcodes, and converts them to images

works in browsers and with node

api

rendering

colorcode.to_canvas(text [, opts])

renders colorcode text to a canvas, and returns the canvas. text can be a string or json.

the function will return immediately, but the canvas might be drawn asynchronously, if it is waiting for a font to load. you can pass a callback function to be called when the canvas is complete in opts:

colorcode.to_canvas("hello world", {done: function(canvas){ ... }})

if opts has a canvas property, that canvas will be drawn on instead of creating one.

styles

opts can also contain other properties like palette (sets color scheme) or fg (sets initial foreground text color). styles can also be set globally on colorcode.style, for example:

colorcode.style.palette = 'mirc'

parsing

colorcode.to_json(text [, opts])

parses a colorcode into a json structure. the json has a width and height (measured in characters), and an array lines that has an array for each line of text. each line is an array of objects for each character. each character object has a unicode value, a fg and bg, which are foreground and background color numbers, and b, i, u (bold/italic/underline) styling flags.

installation

browser

you can just include the file build/irc-colorcode-render.js

running make will recompile the browser build of irc-colorcode-render.js

node

this is a little more involved :(

assuming debian/ubuntu, install cairo dependencies:

sudo apt-get update
sudo apt-get install libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++

(for other systems, check node-canvas wiki)

if you don't have npm/node, install it:

sudo apt-get install npm
sudo npm update -g npm
sudo npm install -g n
sudo n stable

finally,

sudo npm install irc-colorcode-render