cairoMatrixInit {RGtk2}R Documentation

cairoMatrixInit

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 cairo_matrix_t

Author(s)

Derived by RGtkGen from GTK+ documentation


[Package RGtk2 version 2.12.5-3 Index]