qrcode::canvas

Enum MaskPattern

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pub enum MaskPattern {
    Checkerboard = 0,
    HorizontalLines = 1,
    VerticalLines = 2,
    DiagonalLines = 3,
    LargeCheckerboard = 4,
    Fields = 5,
    Diamonds = 6,
    Meadow = 7,
}
Expand description

The mask patterns. Since QR code and Micro QR code do not use the same pattern number, we name them according to their shape instead of the number.

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Checkerboard = 0

QR code pattern 000: (x + y) % 2 == 0.

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HorizontalLines = 1

QR code pattern 001: y % 2 == 0.

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VerticalLines = 2

QR code pattern 010: x % 3 == 0.

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DiagonalLines = 3

QR code pattern 011: (x + y) % 3 == 0.

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LargeCheckerboard = 4

QR code pattern 100: ((x/3) + (y/2)) % 2 == 0.

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Fields = 5

QR code pattern 101: (x*y)%2 + (x*y)%3 == 0.

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Diamonds = 6

QR code pattern 110: ((x*y)%2 + (x*y)%3) % 2 == 0.

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Meadow = 7

QR code pattern 111: ((x+y)%2 + (x*y)%3) % 2 == 0.

Trait Implementations§

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impl Clone for MaskPattern

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fn clone(&self) -> MaskPattern

Returns a copy of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MaskPattern

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Copy for MaskPattern

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.