build_color_state
Description:
Creates a new `GdkColorState` object for the cicp parameters in this.
Note that this may fail if the cicp parameters in this are not supported by GTK. In that case, `NULL` is returned, and throws is set with an error message that can be presented to the user.
Parameters:
this |
a `GdkCicpParams` |
Returns:
A newly allocated `GdkColorState` |