Creates a symbolic color by modifying the relative alpha value of color. A factor < 1.0 would resolve to a more transparent color, while > 1.0 would resolve to a more opaque color.
another #GtkSymbolicColor
factor to apply to color alpha
A newly created #GtkSymbolicColor
Deprecated: #GtkSymbolicColor is deprecated.
Creates a symbolic color by modifying the relative alpha value of color. A factor < 1.0 would resolve to a more transparent color, while > 1.0 would resolve to a more opaque color.