font_info: Font metrics

In freetypeharfbuzz: Deterministic Computation of Text Box Metrics

Description

* 'font_info()' returns the typographical metrics (ascent, descent, linegap) for a font.

* 'str_info()' returns the metrics (width, height, ascent, descent) for a string. 'str_width()' only returns the width.

Usage

font_info(font_size = 12, font_file = NULL)

str_info(string, font_size = 12, font_file = NULL)

str_width(string, font_size = 12, font_file = NULL)

Arguments

font_size	Font size in point.
font_file	Path to a ttf or otf file.
string	A string whose metrics will be computed.

Examples

file <- fontquiver::font("Liberation", "serif", "bold")$ttf
font_info(font_size = 13, font_file = file)

str_width("foobar", font_size = 13)
str_info("foobar", font_size = 13)
str_info("foobar", font_size = 13, font_file = file)

freetypeharfbuzz documentation built on Jan. 13, 2021, 3:15 p.m.