func (v *Context) SetSourceRGBA(red, green, blue, alpha float64) {
	C.cairo_set_source_rgba(v.native(), C.double(red), C.double(green),
		C.double(blue), C.double(alpha))
}
func (v *Context) SetSourceRGBA(red, green, blue, alpha float64) {
	C.cairo_set_source_rgba(v.native(), C.double(red), C.double(green),
		C.double(blue), C.double(alpha))
}
func ( v * Context ) SetSourceRGBA ( red , green , blue , alpha float64 ) { C . cairo_set_source_rgba ( v . native ( ) , C . double ( red ) , C . double ( green ) , C . double ( blue ) , C . double ( alpha ) ) }
// SetSourceRGBA is a wrapper around cairo_set_source_rgba().
SetSourceRGBA is a wrapper around cairo_set_source_rgba () .