Validate glyph entries

Source: R/str-metrics.R

Determines if strings contain glyphs not part of a font.

glyphs_match(x, fontname = "sans", bold = FALSE, italic = FALSE, fontfile = "")

Arguments

x

Character vector of strings

fontname

Font name

bold, italic

Is text bold/italic?

fontfile

Font file

Value

a logical vector, if a character element is containing at least a glyph that can not be matched in the font table, FALSE is returned.

Examples

glyphs_match(letters)
#>  [1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
#> [16] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE
glyphs_match("\u265E", bold = TRUE)
#> [1] TRUE