Module colorizer.color_utils
Helper functions to parse different colour formats
Functions
| color_is_bright (r, g, b) | Determine whether to use black or white text. |
| color_name_parser (line, i, opts) | Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table. |
| sass_cleanup (buf) | Cleanup sass variables |
| sass_update_variables (buf, line_start, line_end, lines, color_parser, options, options_local) | Parse the given lines for sass variabled and add to SASS[buf].DEFINITIONS_ALL. |
| sass_name_parser (line, i, buf) | Parse the given line for sass color names check for value in SASS[buf].DEFINITIONS_ALL |
| 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. |
| hsl_function_parser (line, i) | Parse for hsl() css function and return rgb hex. |
| hsla_function_parser (line, i) | Parse for hsl() css function and return rgb hex. |
| argb_hex_parser (line, i) | parse for 0xaarrggbb and return rgb hex. |
| rgba_hex_parser (line, i, opts) | parse for #rrggbbaa and return rgb hex. |
Functions
- color_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
- color_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
- sass_cleanup (buf)
-
Cleanup sass variables
Parameters:
- buf number
- sass_update_variables (buf, line_start, line_end, lines, color_parser, options, options_local)
-
Parse the given lines for sass variabled and add to SASS[buf].DEFINITIONSALL.
which is then used in |sassnameparser|
If lines are not given, then fetch the lines with linestart and line_end
Parameters:
- buf number
- line_start number
- line_end number
- lines table|nil
- color_parser function|boolean
- options table: Buffer options
- options_local table|nil: Buffer local variables
Returns:
-
boolean
- sass_name_parser (line, i, buf)
-
Parse the given line for sass color names
check for value in SASS[buf].DEFINITIONS_ALL
Parameters:
- line string: Line to parse
- i number: Index of line from where to start parsing
- buf number
Returns:
-
number|nil, string|nil
- 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
- hsl_function_parser (line, i)
-
Parse for hsl() 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 hsl function ended
- string|nil: rgb hex value
- hsla_function_parser (line, i)
-
Parse for hsl() 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 hsla function ended
- string|nil: rgb hex value
- 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
- 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