Struct ShadingPattern

pub struct ShadingPattern<'a> { /* private fields */ }

Writer for a shading pattern dictionary. PDF 1.3+.

This struct is created by Chunk::shading_pattern.

Implementations

impl<'a> ShadingPattern<'a>

pub fn function_shading(&mut self) -> FunctionShading<'_>

Start writing the /Shading dictionary for a type 1, 2, or 3 shading.

pub fn shading_ref(&mut self, id: Ref) -> &mut Self

Add an indirect reference to a /Shading dictionary or a shading stream.

pub fn matrix(&mut self, matrix: [f32; 6]) -> &mut Self

Write the /Matrix attribute.

Sets the matrix to use for the pattern. Defaults to the identity matrix.

pub fn ext_graphics(&mut self) -> ExtGraphicsState<'_>

Start writing the /ExtGState attribute.

Methods from Deref<Target = Dict<'a>>

pub fn len(&self) -> i32

The number of written pairs.

pub fn is_empty(&self) -> bool

Whether no pairs have been written so far.

pub fn insert(&mut self, key: Name<'_>) -> Obj<'_>

Start writing a pair with an arbitrary value.

pub fn pair<T: Primitive>(&mut self, key: Name<'_>, value: T) -> &mut Self

Write a pair with a primitive value.

This is a shorthand for dict.insert(key).primitive(value).

pub fn pairs<'n, T: Primitive>( &mut self, pairs: impl IntoIterator<Item = (Name<'n>, T)>, ) -> &mut Self

Write a sequence of pairs with primitive values.

Trait Implementations

impl<'a> Deref for ShadingPattern<'a>

type Target = Dict<'a>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<'a> DerefMut for ShadingPattern<'a>

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl<'a, 'any> Rewrite<'a> for ShadingPattern<'any>

type Output = ShadingPattern<'a>

The writer with the rewritten lifetime.

impl<'a> Writer<'a> for ShadingPattern<'a>

fn start(obj: Obj<'a>) -> Self

Start writing the object.