cairoMask

[<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>

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

<code>pattern</code>

A drawing operator that paints the current source
using the alpha channel of <code>pattern</code> as a mask. (Opaque
areas of <code>pattern</code> are painted with the source, transparent
areas are not painted.)

internal

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

cairoMask: cairoMask

Description

Usage

Arguments