parse

Fill in the fields of a color from a string specification.

The string can either one of a large set of standard names. (Taken from the CSS Color [specification](https://www.w3.org/TR/css-color-4/ named-colors), or it can be a value in the form `rgb`, `rrggbb`, `rrrgggbbb` or ` rrrrggggbbbb`, where `r`, `g` and `b` are hex digits of the red, green, and blue components of the color, respectively. (White in the four forms is `fff`, `ffffff`, `fffffffff` and `ffffffffffff`.)

Parameters:

this	a `PangoColor` structure in which to store the result
spec	a string specifying the new color

Returns:

true if parsing of the specifier succeeded, otherwise false