RGtk2: cairoMaskSurface – R documentation

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cairoMaskSurface

Description

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

Usage

cairoMaskSurface(cr, surface, surface.x, surface.y)

Arguments

`cr`	[`Cairo`] a cairo context
`surface`	[`CairoSurface`] a `CairoSurface`
`surface.x`	[numeric] X coordinate at which to place the origin of `surface`
`surface.y`	[numeric] Y coordinate at which to place the origin of `surface`

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