cairoRotate

[<code><a rd-options="" href="/link/Cairo?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::Cairo">Cairo</a></code>]  a cairo context

<code>cr</code>

[numeric]  angle (in radians) by which the user-space axes will be
rotated

<code>angle</code>

Modifies the current transformation matrix (CTM) by rotating the
user-space axes by <code>angle</code> radians. The rotation of the axes takes
places after any existing transformation of user space. The
rotation direction for positive angles is from the positive X axis
toward the positive Y axis.

internal

Facilities in the R language for programming
graphical interfaces using Gtk, the Gimp Tool Kit.

cairoRotate: cairoRotate

Description

Usage

Arguments