Mailspring/src/color.coffee
Evan Morikawa fc4b3b56d7 refactor(utils): switch to regular underscore
Summary:
Fixes: T1334

remove final InboxApp references

move out all underscore-plus methods

Mass find and replace of underscore-plus

sed -i '' -- 's/underscore-plus/underscore/g' **/*.coffee
sed -i '' -- 's/underscore-plus/underscore/g' **/*.cjsx

Test Plan: edgehill --test

Reviewers: bengotow

Reviewed By: bengotow

Differential Revision: https://phab.nylas.com/D1534
2015-05-19 16:06:59 -07:00

92 lines
2.5 KiB
CoffeeScript

_ = require 'underscore'
ParsedColor = null
# Essential: A simple color class returned from {Config::get} when the value
# at the key path is of type 'color'.
#
# Section: Atom
#
module.exports =
class Color
# Essential: Parse a {String} or {Object} into a {Color}.
#
# * `value` A {String} such as `'white'`, `#ff00ff`, or
# `'rgba(255, 15, 60, .75)'` or an {Object} with `red`, `green`, `blue`,
# and `alpha` properties.
#
# Returns a {Color} or `null` if it cannot be parsed.
@parse: (value) ->
return null if _.isArray(value) or _.isFunction(value)
return null unless _.isObject(value) or _.isString(value)
ParsedColor ?= require 'color'
try
parsedColor = new ParsedColor(value)
catch error
return null
new Color(parsedColor.red(), parsedColor.green(), parsedColor.blue(), parsedColor.alpha())
constructor: (red, green, blue, alpha) ->
Object.defineProperties this,
red:
set: (newRed) -> red = parseColor(newRed)
get: -> red
enumerable: true
configurable: false
green:
set: (newGreen) -> green = parseColor(newGreen)
get: -> green
enumerable: true
configurable: false
blue:
set: (newBlue) -> blue = parseColor(newBlue)
get: -> blue
enumerable: true
configurable: false
alpha:
set: (newAlpha) -> alpha = parseAlpha(newAlpha)
get: -> alpha
enumerable: true
configurable: false
@red = red
@green = green
@blue = blue
@alpha = alpha
# Essential: Returns a {String} in the form `'#abcdef'`.
toHexString: ->
"##{numberToHexString(@red)}#{numberToHexString(@green)}#{numberToHexString(@blue)}"
# Essential: Returns a {String} in the form `'rgba(25, 50, 75, .9)'`.
toRGBAString: ->
"rgba(#{@red}, #{@green}, #{@blue}, #{@alpha})"
isEqual: (color) ->
return true if this is color
color = Color.parse(color) unless color instanceof Color
return false unless color?
color.red is @red and color.blue is @blue and color.green is @green and color.alpha is @alpha
clone: -> new Color(@red, @green, @blue, @alpha)
parseColor = (color) ->
color = parseInt(color)
color = 0 if isNaN(color)
color = Math.max(color, 0)
color = Math.min(color, 255)
color
parseAlpha = (alpha) ->
alpha = parseFloat(alpha)
alpha = 1 if isNaN(alpha)
alpha = Math.max(alpha, 0)
alpha = Math.min(alpha, 1)
alpha
numberToHexString = (number) ->
hex = number.toString(16)
hex = "0#{hex}" if number < 10
hex