Enum PdfFunction

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pub enum PdfFunction {
    Exponential {
        domain: Vec<(f64, f64)>,
        range: Vec<(f64, f64)>,
        c0: Vec<f64>,
        c1: Vec<f64>,
        n: f64,
    },
    Stitching {
        domain: Vec<(f64, f64)>,
        range: Vec<(f64, f64)>,
        functions: Vec<PdfFunction>,
        bounds: Vec<f64>,
        encode: Vec<f64>,
    },
    PostScript {
        domain: Vec<(f64, f64)>,
        range: Vec<(f64, f64)>,
        ops: Vec<PsOp>,
    },
}

Expand description

A resolved PDF function that can be evaluated.

Variants§

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Exponential

Type 2: Exponential interpolation.

Fields

§domain: Vec<(f64, f64)>

§range: Vec<(f64, f64)>

§c0: Vec<f64>

§c1: Vec<f64>

§n: f64

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Stitching

Type 3: Stitching of sub-functions.

Fields

§domain: Vec<(f64, f64)>

§range: Vec<(f64, f64)>

§functions: Vec<PdfFunction>

§bounds: Vec<f64>

§encode: Vec<f64>

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PostScript

Type 4: PostScript calculator.

Fields

§domain: Vec<(f64, f64)>

§range: Vec<(f64, f64)>

§ops: Vec<PsOp>

Implementations§

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impl PdfFunction

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pub fn parse(obj: &PdfObject) -> Option<Self>

Parse a PDF function from a function dictionary/stream.

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pub fn evaluate(&self, input: &[f64]) -> Vec<f64>

Evaluate the function with given input values. Returns output values.

Trait Implementations§

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impl Clone for PdfFunction

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fn clone(&self) -> PdfFunction

Returns a duplicate of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for PdfFunction

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for PdfFunction

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 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> IntoEither for T

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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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