EVOLUTION-MANAGER
Edit File: grSoftVersion.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Report Versions of Graphics Software</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for grSoftVersion {grDevices}"><tr><td>grSoftVersion {grDevices}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Report Versions of Graphics Software</h2> <h3>Description</h3> <p>Report versions of third-party graphics software available on the current platform for <span style="font-family: Courier New, Courier; color: #666666;"><b>R</b></span>'s graphics. </p> <h3>Usage</h3> <pre> grSoftVersion() </pre> <h3>Value</h3> <p>A named character vector containing at least the elements </p> <table summary="R valueblock"> <tr valign="top"><td><code>cairo</code></td> <td> <p>the version of cairographics in use, or <code>""</code> if cairographics is not available.</p> </td></tr> </table> <p>It may also contain the versions of third-party software used by the standard (on Windows), or X11-based (on Unix-alikes) bitmap devices: </p> <table summary="R valueblock"> <tr valign="top"><td><code>libpng</code></td> <td> <p>the version of <code>libpng</code> in use, or <code>""</code> if not available.</p> </td></tr> <tr valign="top"><td><code>jpeg</code></td> <td> <p>the version of the JPEG headers used for compilation, or <code>""</code> if JPEG support was not compiled in.</p> </td></tr> <tr valign="top"><td><code>libtiff</code></td> <td> <p>the version of <code>libtiff</code> in use, or <code>""</code> if not available.</p> </td></tr> </table> <p>It is conceivable but unlikely that the cairo-based bitmap devices will use different versions linked <em>via</em> cairographics, especially <code>png(type = "cairo-png")</code>. </p> <p>On macOS, if available, the Quartz-based devices will use the system versions of these libraries rather than those reported here. </p> <p>Unless otherwise stated the reported version is that of the (possibly dynamically-linked) library in use at runtime. </p> <p>Note that <code>libjpeg-turbo</code> as used on some Linux distributions reports its version as <code>"6.2"</code>, the IJG version from which it forked. </p> <h3>See Also</h3> <p><code><a href="../../base/html/extSoftVersion.html">extSoftVersion</a></code> for versions of non-graphics software. </p> <h3>Examples</h3> <pre> grSoftVersion() </pre> <hr /><div style="text-align: center;">[Package <em>grDevices</em> version 3.6.0 <a href="00Index.html">Index</a>]</div> </body></html>