In order to do correct text rendering, the font needed must be figured out. A
common case is rendering of emojis within a string where the system emoji
font is used rather than the requested font. This function will inspect the
provided strings and split them up in runs that must be rendered with the
emoji font, and the rest. Arguments are recycled to the length of the string
vector.
Usage
str_split_emoji(
string,
family = "",
italic = FALSE,
bold = FALSE,
path = NULL,
index = 0
)
Arguments
- string
A character vector of strings that should be splitted.
- family
The name of the font families to match
- italic
logical indicating the font slant
- bold
logical indicating whether the font weight
- path, index
path an index of a font file to circumvent lookup based on
family and style
Value
A data.frame containing the following columns:
- string
The substring containing a consecutive run of glyphs
- id
The index into the original string vector that the substring is part of
- emoji
A logical vector giving if the substring is a run of emojis or not
Examples
emoji_string <- "This is a joke\U0001f642. It should be obvious from the smiley"
str_split_emoji(emoji_string)
#> # A tibble: 3 × 3
#> string id emoji
#> <chr> <dbl> <lgl>
#> 1 This is a joke 1 FALSE
#> 2 🙂 1 TRUE
#> 3 . It should be obvious from the smiley 1 FALSE