Main Gtk struct.
The GdkRGBA structure is used to represent a (possibly translucent)
color, in a way that is compatible with cairos notion of color.
gdouble red;
The intensity of the red channel from 0.0 to 1.0 inclusive
gdouble green;
The intensity of the green channel from 0.0 to 1.0 inclusive
gdouble blue;
The intensity of the blue channel from 0.0 to 1.0 inclusive
gdouble alpha;
The opacity of the color from 0.0 for completely translucent to
1.0 for opaque
Main Gtk struct. The GdkRGBA structure is used to represent a (possibly translucent) color, in a way that is compatible with cairos notion of color. gdouble red; The intensity of the red channel from 0.0 to 1.0 inclusive gdouble green; The intensity of the green channel from 0.0 to 1.0 inclusive gdouble blue; The intensity of the blue channel from 0.0 to 1.0 inclusive gdouble alpha; The opacity of the color from 0.0 for completely translucent to 1.0 for opaque