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

Description Usage Arguments Details Value Author(s)

Create a new linear gradient CairoPattern along the line defined by (x0, y0) and (x1, y1). Before using the gradient pattern, a number of color stops should be defined using cairoPatternAddColorStopRgb or cairoPatternAddColorStopRgba.

1	cairoPatternCreateLinear(x0, y0, x1, y1)

`x0`	[numeric] x coordinate of the start point
`y0`	[numeric] y coordinate of the start point
`x1`	[numeric] x coordinate of the end point
`y1`	[numeric] y coordinate of the end point

Note: The coordinates here are in pattern space. For a new pattern, pattern space is identical to user space, but the relationship between the spaces can be changed with cairoPatternSetMatrix.

[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.