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Derive PDF instance id from content hash (#2552)

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Charlie Moog 2023-11-02 05:12:07 -05:00 committed by GitHub
parent 51d9fe2d02
commit b716700b61
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3 changed files with 4 additions and 5 deletions
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4
Cargo.lock generated
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@ -1750,9 +1750,9 @@ dependencies = [
[[package]] [[package]]
name = "pdf-writer" name = "pdf-writer"
version = "0.9.1" version = "0.9.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "690874e8cf95d36ddffbdbdaad6ef8714c88bf8085996b673559389a04e38a02" checksum = "644b654f2de28457bf1e25a4905a76a563d1128a33ce60cf042f721f6818feaf"
dependencies = [ dependencies = [
"bitflags 1.3.2", "bitflags 1.3.2",
"itoa", "itoa",

2
crates/typst/Cargo.toml
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@ -31,7 +31,7 @@ kurbo = "0.9"
log = "0.4" log = "0.4"
miniz_oxide = "0.7" miniz_oxide = "0.7"
once_cell = "1" once_cell = "1"
pdf-writer = "0.9.1" pdf-writer = "0.9.2"
pixglyph = "0.2" pixglyph = "0.2"
palette = { version = "0.7.3", default-features = false, features = ["approx", "libm"] } palette = { version = "0.7.3", default-features = false, features = ["approx", "libm"] }
regex = "1" regex = "1"

3
crates/typst/src/export/pdf/mod.rs
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@ -207,8 +207,7 @@ fn write_catalog(ctx: &mut PdfContext, ident: Option<&str>, timestamp: Option<Da
// A unique ID for this instance of the document. Changes if anything // A unique ID for this instance of the document. Changes if anything
// changes in the frames. // changes in the frames.
let instance_id = let instance_id = hash_base64(&ctx.pdf.as_bytes());
hash_base64(&(&ctx.document, ctx.document.date.unwrap_or(timestamp)));
if let Some(ident) = ident { if let Some(ident) = ident {
// A unique ID for the document that stays stable across compilations. // A unique ID for the document that stays stable across compilations.