Struct J2kSupportInfo

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pub struct J2kSupportInfo {
    pub info: Info,
    pub transfer_syntax: CompressedTransferSyntax,
    pub payload_kind: CompressedPayloadKind,
    pub components: Vec<J2kComponentInfo>,
    pub file_metadata: Option<J2kFileMetadata>,
}

Expand description

Full parsed JPEG 2000 / HTJ2K support metadata.

This preserves the existing compact Info summary while exposing fields needed to reason about the implemented Part 1 / Part 15 support surfaces.

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§info: Info

Backward-compatible metadata summary used by shared codec traits.

§transfer_syntax: CompressedTransferSyntax

Parsed compressed transfer syntax.

§payload_kind: CompressedPayloadKind

Parsed raw codestream or file-wrapper shape.

§components: Vec<J2kComponentInfo>

Exact per-component SIZ metadata in codestream order.

§file_metadata: Option<J2kFileMetadata>

JP2/JPH file-wrapper metadata when the input is a still-image file.

Implementations§

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impl J2kSupportInfo

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pub fn component_count(&self) -> u16

Return the exact codestream component count.

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pub fn has_signed_components(&self) -> bool

Return whether any component uses signed sample values.

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pub fn has_mixed_bit_depths(&self) -> bool

Return whether the codestream uses mixed component precision.

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pub fn has_component_subsampling(&self) -> bool

Return whether component sampling factors differ from full resolution.

Trait Implementations§

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impl Debug for J2kSupportInfo

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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 Eq for J2kSupportInfo

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impl PartialEq for J2kSupportInfo

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more

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impl StructuralPartialEq for J2kSupportInfo

Auto Trait Implementations§

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impl UnwindSafe for J2kSupportInfo

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> 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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