View Source CSSEx.RGBA (CSSEx v1.0.2)

Struct and helper functions for generating RGBA values.

Summary

Types

t()

Functions

from_hsla(hsla)

Converts an existing %CSSEx.HSLA{} struct into a %CSSEx.RGBA{} struct. Taken from https://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl

new(r, g, b, a, base \\ 10)

Generates a %CSSEx.RGBA{} wrapped in an :ok tuple, from the values of r, g, b, and alpha. All values are treated as decimal by default but another base can be provided as an optional argument.

new_rgba(full)

Accepts any value in the form of a binary "hsla(0, 10%, 20%, 0.5)" or "hsl(0, 10%, 20%)", any hexadecimal representation in binary in the form of "#xxx", "#xxxx", "#xxxxxx" or "#xxxxxxxx", rgb/a as "rgba(100,100,100,0.1)" or "rgb(10,20,30)", or any literal color name defined as web colors (CSSEx.Colors) - returns a %CSSEx.HSLA{} struct.

Types

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t()

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@type t() :: %CSSEx.RGBA{
  a: non_neg_integer(),
  b: non_neg_integer(),
  g: non_neg_integer(),
  r: non_neg_integer()
}

Functions

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from_hsla(hsla)

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Converts an existing %CSSEx.HSLA{} struct into a %CSSEx.RGBA{} struct. Taken from https://www.niwa.nu/2013/05/math-behind-colorspace-conversions-rgb-hsl

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new(r, g, b, a, base \\ 10)

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Generates a %CSSEx.RGBA{} wrapped in an :ok tuple, from the values of r, g, b, and alpha. All values are treated as decimal by default but another base can be provided as an optional argument.

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new_rgba(full)

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Accepts any value in the form of a binary "hsla(0, 10%, 20%, 0.5)" or "hsl(0, 10%, 20%)", any hexadecimal representation in binary in the form of "#xxx", "#xxxx", "#xxxxxx" or "#xxxxxxxx", rgb/a as "rgba(100,100,100,0.1)" or "rgb(10,20,30)", or any literal color name defined as web colors (CSSEx.Colors) - returns a %CSSEx.HSLA{} struct.