cairoMatrixInitRotate {RGtk2}R Documentation

cairoMatrixInitRotate

Description

Initialized matrix to a transformation that rotates by radians.

Usage

cairoMatrixInitRotate(radians)

Arguments

radians [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.

Value

A list containing the following elements:

matrix [CairoMatrix] a cairo_matrix_t

Author(s)

Derived by RGtkGen from GTK+ documentation


[Package RGtk2 version 2.12.5-3 Index]