cairoMatrixInitRotate

[numeric]  angle of rotation, in radians. The direction of rotation
is defined such that positive angles rotate in the direction from
the positive X axis toward the positive Y axis. With the default
axis orientation of cairo, positive angles rotate in a clockwise
direction.

<code>radians</code>

Initialized <code>matrix</code> to a transformation that rotates by <code>radians</code>.

internal

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

cairoMatrixInitRotate: cairoMatrixInitRotate

Description

Usage

Arguments

Value