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Logo

bc_mur

Struct Logo 

Source 
pub struct Logo {
    pub pixels: Vec<u8>,
    pub width: u32,
    pub height: u32,
    pub fraction: f64,
    pub clear_border: usize,
    pub clear_shape: LogoClearShape,
}
Expand description

A pre-rendered logo for compositing onto QR codes.

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§pixels: Vec<u8>

RGBA pixels, row-major.

§width: u32§height: u32§fraction: f64

Fraction of QR width to occupy (0.01–0.99, default 0.25).

§clear_border: usize

Number of clear-border modules around the logo (0–5, default 1).

§clear_shape: LogoClearShape

Shape of the cleared center area.

Implementations§

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pub fn from_svg( svg_data: &[u8], fraction: f64, clear_border: usize, clear_shape: LogoClearShape, ) -> Result<Self>

Create a logo from SVG data, rendered at 512×512 via resvg (pure Rust, no system deps).

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pub fn from_rgba( pixels: Vec<u8>, width: u32, height: u32, fraction: f64, clear_border: usize, clear_shape: LogoClearShape, ) -> Result<Self>

Create a logo from raw RGBA pixels.

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pub fn from_image_bytes( data: &[u8], fraction: f64, clear_border: usize, clear_shape: LogoClearShape, ) -> Result<Self>

Create a logo from PNG or JPEG image bytes.

Trait Implementations§

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fn clone(&self) -> Logo

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

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

Performs copy-assignment from source. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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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impl<T> ToOwned for T
where T: Clone,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<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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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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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.