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.
Usage
cairoPatternCreateRgba(red, green, blue, alpha)
Arguments
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
Value
[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.