Module colorizer.color
Helper functions to parse different colour formats
Functions
| argb_hex_parser (line, i) | parse for 0xaarrggbb and return rgb hex. |
| hsl_to_rgb (h, s, l) | Converts an HSL color value to RGB. |
| hsl_function_parser (line, i, opts) | Parse for hsl() hsla() css function and return rgb hex. |
| hue_to_rgb (p, q, t) | Convert hsl colour values to rgb. |
| is_bright (r, g, b) | Determine whether to use black or white text. |
| name_parser (line, i, opts) | Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table. |
| rgb_function_parser (line, i) | Parse for rgb() css function and return rgb hex. |
| rgba_function_parser (line, i) | Parse for rgba() css function and return rgb hex. |
| rgba_hex_parser (line, i, opts) | parse for #rrggbbaa and return rgb hex. |
Functions
- argb_hex_parser (line, i)
-
parse for 0xaarrggbb and return rgb hex.
a format used in android apps
Parameters:
- line string: line to parse
- i number: index of line from where to start parsing
Returns:
- number|nil: index of line where the hex value ended
- string|nil: rgb hex value
- hsl_to_rgb (h, s, l)
-
Converts an HSL color value to RGB.
Parameters:
- h number: Hue
- s number: Saturation
- l number: Lightness
Returns:
-
number|nil,number|nil,number|nil
- hsl_function_parser (line, i, opts)
-
Parse for hsl() hsla() css function and return rgb hex.
For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl
Parameters:
- line string: Line to parse
- i number: Index of line from where to start parsing
- opts table: Values passed from matchers like prefix
Returns:
- number|nil: Index of line where the hsla/hsl function ended
- string|nil: rgb hex value
- hue_to_rgb (p, q, t)
-
Convert hsl colour values to rgb.
Source: https://gist.github.com/mjackson/5311256
Parameters:
- p number
- q number
- t number
Returns:
-
number
- is_bright (r, g, b)
-
Determine whether to use black or white text.
ref: https://stackoverflow.com/a/1855903/837964 https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
Parameters:
- r number: Red
- g number: Green
- b number: Blue
- name_parser (line, i, opts)
-
Grab all the colour values from
vim.api.nvim_get_color_mapand create a lookup table. COLOR_MAP is used to store the colour valuesParameters:
- line string: Line to parse
- i number: Index of line from where to start parsing
- opts table: Currently contains whether tailwind is enabled or not
- rgb_function_parser (line, i)
-
Parse for rgb() css function and return rgb hex.
Parameters:
- line string: Line to parse
- i number: Index of line from where to start parsing
Returns:
- number|nil: Index of line where the rgb function ended
- string|nil: rgb hex value
- rgba_function_parser (line, i)
-
Parse for rgba() css function and return rgb hex.
Todo consider removing the regexes here
Todo this might not be the best approach to alpha channel.
Things like pumblend might be useful here.
Parameters:
- line string: Line to parse
- i number: Index of line from where to start parsing
Returns:
- number|nil: Index of line where the rgba function ended
- string|nil: rgb hex value
- rgba_hex_parser (line, i, opts)
-
parse for #rrggbbaa and return rgb hex.
a format used in android apps
Parameters:
- line string: line to parse
- i number: index of line from where to start parsing
- opts table: Containing minlen, maxlen, valid_lengths
Returns:
- number|nil: index of line where the hex value ended
- string|nil: rgb hex value