Struct PageNumber 

pub struct PageNumber(/* private fields */);

PDF 页的一基显示编号，适用于 PDF 引擎及用户展示。

Implementations

impl PageNumber

pub const fn new(value: usize) -> Result<Self>

创建一基页码。

Errors

当 value 为零时返回 PdfError::InvalidPage。

pub const fn from_index(index: PageIndex) -> Self

从零基页索引创建页码。

pub const fn value(self) -> usize

返回底层一基页码。

pub const fn index(self) -> PageIndex

转换为零基页索引。

Trait Implementations

impl Clone for PageNumber

fn clone(&self) -> PageNumber

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for PageNumber

impl Debug for PageNumber

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

Formats the value using the given formatter.

impl Eq for PageNumber

impl Hash for PageNumber

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for PageNumber

fn cmp(&self, other: &PageNumber) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for PageNumber

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for PageNumber

fn partial_cmp(&self, other: &PageNumber) -> Option<Ordering>

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

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for PageNumber