diff options
Diffstat (limited to 'crates')
| -rw-r--r-- | crates/typst-pdf/Cargo.toml | 1 | ||||
| -rw-r--r-- | crates/typst-pdf/src/embed.rs | 70 |
2 files changed, 70 insertions, 1 deletions
diff --git a/crates/typst-pdf/Cargo.toml b/crates/typst-pdf/Cargo.toml index f6f08b5b..5745d053 100644 --- a/crates/typst-pdf/Cargo.toml +++ b/crates/typst-pdf/Cargo.toml @@ -23,6 +23,7 @@ bytemuck = { workspace = true } comemo = { workspace = true } ecow = { workspace = true } image = { workspace = true } +infer = { workspace = true } krilla = { workspace = true } krilla-svg = { workspace = true } serde = { workspace = true } diff --git a/crates/typst-pdf/src/embed.rs b/crates/typst-pdf/src/embed.rs index 6ed65a2b..f0cd9060 100644 --- a/crates/typst-pdf/src/embed.rs +++ b/crates/typst-pdf/src/embed.rs @@ -34,6 +34,8 @@ pub(crate) fn embed_files( }, }; let data: Arc<dyn AsRef<[u8]> + Send + Sync> = Arc::new(embed.data.clone()); + // TODO: update when new krilla version lands (https://github.com/LaurenzV/krilla/pull/203) + let compress = should_compress(&embed.data).unwrap_or(true); let file = EmbeddedFile { path, @@ -41,7 +43,7 @@ pub(crate) fn embed_files( description, association_kind, data: data.into(), - compress: true, + compress, location: Some(span.into_raw().get()), }; @@ -52,3 +54,69 @@ pub(crate) fn embed_files( Ok(()) } + +fn should_compress(data: &[u8]) -> Option<bool> { + let ty = infer::get(data)?; + match ty.matcher_type() { + infer::MatcherType::App => None, + infer::MatcherType::Archive => match ty.mime_type() { + #[rustfmt::skip] + "application/zip" + | "application/vnd.rar" + | "application/gzip" + | "application/x-bzip2" + | "application/vnd.bzip3" + | "application/x-7z-compressed" + | "application/x-xz" + | "application/vnd.ms-cab-compressed" + | "application/vnd.debian.binary-package" + | "application/x-compress" + | "application/x-lzip" + | "application/x-rpm" + | "application/zstd" + | "application/x-lz4" + | "application/x-ole-storage" => Some(false), + _ => None, + }, + infer::MatcherType::Audio => match ty.mime_type() { + #[rustfmt::skip] + "audio/mpeg" + | "audio/m4a" + | "audio/opus" + | "audio/ogg" + | "audio/x-flac" + | "audio/amr" + | "audio/aac" + | "audio/x-ape" => Some(false), + _ => None, + }, + infer::MatcherType::Book => None, + infer::MatcherType::Doc => None, + infer::MatcherType::Font => None, + infer::MatcherType::Image => match ty.mime_type() { + #[rustfmt::skip] + "image/jpeg" + | "image/jp2" + | "image/png" + | "image/webp" + | "image/vnd.ms-photo" + | "image/heif" + | "image/avif" + | "image/jxl" + | "image/vnd.djvu" => None, + _ => None, + }, + infer::MatcherType::Text => None, + infer::MatcherType::Video => match ty.mime_type() { + #[rustfmt::skip] + "video/mp4" + | "video/x-m4v" + | "video/x-matroska" + | "video/webm" + | "video/quicktime" + | "video/x-flv" => Some(false), + _ => None, + }, + infer::MatcherType::Custom => None, + } +} |