cairoPatternGetColorStopRgba {RGtk2} | R Documentation

## cairoPatternGetColorStopRgba

### Description

Gets the color and offset information at the given `index` for a gradient pattern. Values of `index` are 0 to 1 less than the number returned by `cairoPatternGetColorStopCount`.

### Usage

    cairoPatternGetColorStopRgba(pattern, index)

### Arguments

``pattern`` | [`CairoPattern`] a `CairoPattern`
``index`` | [integer] index of the stop to return data for

### Details

Since 1.4

### Value

A list containing the following elements:

`retval` | [`CairoStatus`] `CAIRO_STATUS_SUCCESS`, or `CAIRO_STATUS_INVALID_INDEX` if `index` is not valid for the given pattern. If the pattern is not a gradient pattern, `CAIRO_STATUS_PATTERN_TYPE_MISMATCH` is returned.
``offset`` | [numeric] return value for the offset of the stop, or `NULL`
``red`` | [numeric] return value for red component of color, or `NULL`
``green`` | [numeric] return value for green component of color, or `NULL`
``blue`` | [numeric] return value for blue component of color, or `NULL`
``alpha`` | [numeric] return value for alpha component of color, or `NULL`

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]