grDevices (version 3.3)

grSoftVersion: Report Versions of Graphics Software

Description

Report versions of third-party graphics software.

Usage

grSoftVersion()

Value

• A named character vector containing at least the element
• cairo
  the version of cairographics in use, or "" if cairographics is not available.
• It may also contain the versions of third-party software used by the #ifdef windows standard #endif #ifdef unix X11-based #endif (not cairo-based) bitmap devices:
• libpng
  the version of libpng in use, or "" if not available.
• jpeg
  the version of the JPEG headers used for compilation, or "" if JPEG support was not compiled in.
• libtiff
  the version of libtiff in use, or "" if not available.
• Unless otherwise stated the reported version is that of the (possibly dynamically-linked) library in use at runtime.

  Note that libjpeg-turbo used on some Linux distributions reports its version as "6.2", the IJG version from which it forked.

See Also

extSoftVersion for versions of non-graphics software.

Examples

grSoftVersion()