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pub enum BinaryColor {
    Off,
    On,
}
Expand description

Binary color.

BinaryColor is used for displays and images with two possible color states.

The interpretation of active and inactive states can be different for different types of displays. A BinaryColor::On might represent a black pixel on an LCD and a white pixel on an OLED display.

To simplify the conversion from BinaryColor to RGB and grayscale color types the default conversions assume that BinaryColor::Off is black and BinaryColor::On is white.

Conversion between BinaryColor and bool

use embedded_graphics::pixelcolor::BinaryColor;

// A BinaryColor can be converted to a bool by using the is_on and is_off methods.
let color = BinaryColor::On;
assert!(color.is_on());
assert!(color.invert().is_off());

// BinaryColor implements From<bool>.
let bool_value = true;
let color: BinaryColor = bool_value.into();
assert_eq!(color, BinaryColor::On);

// this is equivalent to:
let bool_value = true;
let color = if bool_value {
    BinaryColor::On
} else {
    BinaryColor::Off
};
assert_eq!(color, BinaryColor::On);

Variants

Off

Inactive pixel.

On

Active pixel.

Implementations

Inverts the color.

Examples
use embedded_graphics::pixelcolor::BinaryColor;

assert_eq!(BinaryColor::Off.invert(), BinaryColor::On);
assert_eq!(BinaryColor::On.invert(), BinaryColor::Off);

Returns true if this color is On.

Examples
use embedded_graphics::pixelcolor::BinaryColor;

assert!(BinaryColor::On.is_on());

Returns true if this color is Off.

Examples
use embedded_graphics::pixelcolor::BinaryColor;

assert!(BinaryColor::Off.is_off());

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Converts a char into a color of type C.

Converts a color of type C into a char.

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

This method returns an Ordering between self and other. Read more

Compares and returns the maximum of two values. Read more

Compares and returns the minimum of two values. Read more

Restrict a value to a certain interval. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

This method returns an ordering between self and other values if one exists. Read more

This method tests less than (for self and other) and is used by the < operator. Read more

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

This method tests greater than (for self and other) and is used by the > operator. Read more

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

Raw data type. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.