Struct
GdkRGBA
Description [src]
struct GdkRGBA {
gdouble red;
gdouble green;
gdouble blue;
gdouble alpha;
}
A GdkRGBA
is used to represent a (possibly translucent)
color, in a way that is compatible with cairo’s notion of color.
Structure members
red:
gdouble
The intensity of the red channel from 0.0 to 1.0 inclusive.
green:
gdouble
The intensity of the green channel from 0.0 to 1.0 inclusive.
blue:
gdouble
The intensity of the blue channel from 0.0 to 1.0 inclusive.
alpha:
gdouble
The opacity of the color from 0.0 for completely translucent to 1.0 for opaque.
Instance methods
gdk_rgba_parse
Parses a textual representation of a color, filling in
the red
, green
, blue
and alpha
fields of the rgba
GdkRGBA
.
since: 3.0
gdk_rgba_to_string
Returns a textual specification of rgba
in the form
rgb(r,g,b)
or
rgba(r g,b,a)
,
where “r”, “g”, “b” and “a” represent the red, green,
blue and alpha values respectively. “r”, “g”, and “b” are
represented as integers in the range 0 to 255, and “a”
is represented as a floating point value in the range 0 to 1.
since: 3.0