pdf_annot/error.rs
1//! Error types for annotation building.
2
3/// Errors that can occur when building annotations.
4#[derive(Debug, thiserror::Error)]
5pub enum AnnotBuildError {
6 /// Page number is out of range.
7 #[error("page {0} out of range (document has {1} pages)")]
8 PageOutOfRange(u32, usize),
9
10 /// Failed to encode appearance stream content.
11 #[error("failed to encode appearance stream: {0}")]
12 AppearanceEncode(String),
13
14 /// The annotation rectangle is invalid (zero area).
15 #[error("invalid annotation rectangle: width or height is zero")]
16 InvalidRect,
17
18 /// Failed to write the annotation to the page dictionary (e.g. ObjStm page
19 /// that lopdf cannot mutate in-place). Fixes #470.
20 #[error("failed to write annotation to page dictionary")]
21 PageMutationFailed,
22}