RGtk2: cairoMask – R documentation

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cairoMask

Description

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

Usage

cairoMask(cr, pattern)

Arguments

`cr`	[`Cairo`] a cairo context
`pattern`	[`CairoPattern`] a `CairoPattern`

Author(s)

Derived by RGtkGen from GTK+ documentation

RGtk2

R Bindings for Gtk 2.8.0 and Above

v2.20.36

GPL

Authors

Michael Lawrence <michafla@gene.com> and Duncan Temple Lang <duncan@wald.ucdavis.edu>

Initial release