cairoPatternCreateRgba: cairoPatternCreateRgba
In RGtk2: R Bindings for Gtk 2.8.0 and Above

Description Usage Arguments Value Author(s)

Creates a new CairoPattern corresponding to a translucent color. The color components are floating point numbers in the range 0 to 1. If the values passed in are outside that range, they will be clamped.

1	cairoPatternCreateRgba(red, green, blue, alpha)

`red`	[numeric] red component of the color
`green`	[numeric] green component of the color
`blue`	[numeric] blue component of the color
`alpha`	[numeric] alpha component of the color

[CairoPattern] the newly created CairoPattern if successful, or an error pattern in case of no memory. This function will always return a valid pointer, but if an error occurred the pattern status will be set to an error. To inspect the status of a pattern use cairoPatternStatus.

Derived by RGtkGen from GTK+ documentation

RGtk2 documentation built on Oct. 14, 2021, 5:08 p.m.