cairoMatrixInit: cairoMatrixInit

In RGtk2: R Bindings for Gtk 2.8.0 and Above

Description

Sets matrix to be the affine transformation given by xx, yx, xy, yy, x0, y0. The transformation is given by:

 x_new = xx * x + xy * y + x0;
 y_new = yx * x + yy * y + y0;

Usage

cairoMatrixInit(xx, yx, xy, yy, x0, y0)

Arguments

xx	[numeric] xx component of the affine transformation
yx	[numeric] yx component of the affine transformation
xy	[numeric] xy component of the affine transformation
yy	[numeric] yy component of the affine transformation
x0	[numeric] X translation component of the affine transformation
y0	[numeric] Y translation component of the affine transformation

Value

A list containing the following elements:

matrix

[CairoMatrix] a CairoMatrix

Author(s)

Derived by RGtkGen from GTK+ documentation

RGtk2 documentation built on Oct. 14, 2021, 5:08 p.m.