| font_info {systemfonts} | R Documentation |
Query font-specific information
Description
Get general information about a font, relative to a given size. Size specific measures will be returned in pixel units. The function is vectorised to the length of the longest argument.
Usage
font_info(
family = "",
italic = FALSE,
bold = FALSE,
size = 12,
res = 72,
path = NULL,
index = 0
)
Arguments
family |
The name of the font families to match |
italic |
logical indicating the font slant |
bold |
logical indicating whether the font weight |
size |
The pointsize of the font to use for size related measures |
res |
The ppi of the size related mesures |
path, index |
path an index of a font file to circumvent lookup based on family and style |
Value
A data.frame giving info on the requested font + size combinations. The data.frame will contain the following columns:
- path
The path to the font file
- index
The 0-based index of the font in the fontfile
- family
The family name of the font
- style
The style name of the font
- italic
A logical giving if the font is italic
- bold
A logical giving if the font is bold
- monospace
A logical giving if the font is monospace
- weight
A factor giving the weight of the font
- width
A factor giving the width of the font
- kerning
A logical giving if the font supports kerning
- color
A logical giving if the font has color glyphs
- scalable
A logical giving if the font is scalable
- vertical
A logical giving if the font is vertical
- n_glyphs
The number of glyphs in the font
- n_sizes
The number of predefined sizes in the font
- n_charmaps
The number of character mappings in the font file
- bbox
A bounding box large enough to contain any of the glyphs in the font
- max_ascend
The maximum ascend of the tallest glyph in the font
- max_descent
The maximum descend of the most descending glyph in the font
- max_advance_width
The maximum horizontal advance a glyph can make
- max_advance_height
The maximum vertical advance a glyph can make
- lineheight
The height of a single line of text in the font
- underline_pos
The position of a potential underlining segment
- underline_size
The width the the underline
Examples
font_info('serif')
# Avoid lookup if font file is already known
sans <- match_fonts('sans')
font_info(path = sans$path, index = sans$index)