cairoMaskSurface {RGtk2}R Documentation

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


[Package RGtk2 version 2.20.21 Index]