Font Metrics and Font Management Utilities for R Graphics R package gdtools version 0.5.1 Compute text metrics (width, ascent, descent) using 'Cairo' and 'FreeType', independently of the active graphic device. Font lookup is delegated to 'systemfonts'. Additional utilities let users register 'Google Fonts' or bundled 'Liberation' fonts, check font availability, and assemble 'htmlDependency' objects so that fonts are correctly embedded in 'Shiny' applications, 'R Markdown' documents, and 'htmlwidgets' outputs such as 'ggiraph'. Software Depends: R (>= 4.0.0) Imports: fontquiver (>= 0.2.0), htmltools, Rcpp (>= 0.12.12), systemfonts (>= 1.3.1), tools LinkingTo: Rcpp Suggests: curl, gfonts, methods, testthat David Gohel <david.gohel@ardata.fr> Comprehensive R Archive Network (CRAN) David Gohel [aut, cre], Hadley Wickham [aut], Lionel Henry [aut], Jeroen Ooms [aut] (ORCID: <https://orcid.org/0000-0002-4035-0289>), Yixuan Qiu [ctb], R Core Team [cph] (Cairo code from X11 device), ArData [cph], RStudio [cph] GPL-3 file LICENSE (https://CRAN.R-project.org/package=gdtools/LICENSE) 2026-05-25 application/tgz https://CRAN.R-project.org/package=gdtools doi:10.32614/CRAN.package.gdtools