RGtk2: cairoPaintWithAlpha – R documentation

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cairoPaintWithAlpha

Description

A drawing operator that paints the current source everywhere within the current clip region using a mask of constant alpha value alpha. The effect is similar to cairoPaint, but the drawing is faded out using the alpha value.

Usage

cairoPaintWithAlpha(cr, alpha)

Arguments

`cr`	[`Cairo`] a cairo context
`alpha`	[numeric] alpha value, between 0 (transparent) and 1 (opaque)

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