| glyph_info {systemfonts} | R Documentation |
Query glyph-specific information from fonts
Description
This function allows you to extract information about the individual glyphs
in a font, based on a specified size. All size related measures are in
pixel-units. The function is vectorised to the length of the glyphs vector.
Usage
glyph_info(
glyphs,
family = "",
italic = FALSE,
bold = FALSE,
size = 12,
res = 72,
path = NULL,
index = 0
)
Arguments
glyphs |
A vector of glyphs. Strings will be split into separate glyphs automatically |
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 with information about each glyph, containing the following columns:
- glyph
The glyph as a character
- index
The index of the glyph in the font file
- width
The width of the glyph
- height
The height of the glyph
- x_bearing
The horizontal distance from the origin to the leftmost part of the glyph
- y_bearing
The vertical distance from the origin to the top part of the glyph
- x_advance
The horizontal distance to move the cursor after adding the glyph
- y_advance
The vertical distance to move the cursor after adding the glyph
- bbox
The tight bounding box surrounding the glyph