MacosColor class
An immutable 32 bit color value in ARGB format.
Constructors
- MacosColor(int value)
-
Construct a color from the lower 32 bits of an int.
const
- MacosColor.fromARGB(int a, int r, int g, int b)
-
Construct a color from the lower 8 bits of four integers.
const
- MacosColor.fromRGBO(int r, int g, int b, double opcacity)
-
Create a color from red, green, blue, and opacity, similar to
rgba()in CSS.const
Properties
- alpha → int
-
The alpha channel of this color in an 8 bit value.
no setterinherited
- blue → int
-
The blue channel of this color in an 8 bit value.
no setterinherited
- green → int
-
The green channel of this color in an 8 bit value.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- opacity → double
-
The alpha channel of this color as a double.
no setterinherited
- red → int
-
The red channel of this color in an 8 bit value.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → int
-
A 32 bit value representing this color.
finalinherited
Methods
-
computeLuminance(
) → double -
Returns a brightness value between 0 for darkest and 1 for lightest.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
withAlpha(
int a) → Color -
Returns a new color that matches this color with the alpha channel
replaced with
a(which ranges from 0 to 255).inherited -
withBlue(
int b) → Color -
Returns a new color that matches this color with the blue channel replaced
with
b(which ranges from 0 to 255).inherited -
withGreen(
int g) → Color -
Returns a new color that matches this color with the green channel
replaced with
g(which ranges from 0 to 255).inherited -
withOpacity(
double opacity) → Color -
Returns a new color that matches this color with the alpha channel
replaced with the given
opacity(which ranges from 0.0 to 1.0).inherited -
withRed(
int r) → Color -
Returns a new color that matches this color with the red channel replaced
with
r(which ranges from 0 to 255).inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
alphaBlend(
MacosColor foreground, MacosColor background) → MacosColor -
Combine the foreground color as a transparent color over top
of a background color, and return the resulting combined color.
override
-
getAlphaFromOpacity(
double opacity) → int -
Returns an alpha value representative of the provided
opacityvalue.override -
lerp(
MacosColor a, MacosColor b, double t) → MacosColor -
Linearly interpolate between two MacosColors.
override