First working version for PDF export!

Cargo.lock

@@ -964,6 +964,29 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "hayro-syntax"
+version = "0.0.1"
+dependencies = [
+ "flate2",
+ "kurbo",
+ "log",
+ "rustc-hash",
+ "smallvec",
+ "zune-jpeg 0.5.0-rc5",
+]
+
+[[package]]
+name = "hayro-write"
+version = "0.1.0"
+dependencies = [
+ "flate2",
+ "hayro-syntax",
+ "lazy_static",
+ "log",
+ "pdf-writer",
+]
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1217,8 +1240,8 @@ dependencies = [
  "image-webp",
  "num-traits",
  "png",
- "zune-core",
- "zune-jpeg",
+ "zune-core 0.4.12",
+ "zune-jpeg 0.4.14",
 ]
 
 [[package]]
@@ -1367,7 +1390,6 @@ dependencies = [
 [[package]]
 name = "krilla"
 version = "0.4.0"
-source = "git+https://github.com/LaurenzV/krilla?rev=20c14fe#20c14fefee5002566b3d6668b338bbe2168784e7"
 dependencies = [
  "base64",
  "bumpalo",
@@ -1376,6 +1398,7 @@ dependencies = [
  "float-cmp 0.10.0",
  "fxhash",
  "gif",
+ "hayro-write",
  "image-webp",
  "imagesize",
  "once_cell",
@@ -1385,17 +1408,17 @@ dependencies = [
  "rustybuzz",
  "siphasher",
  "skrifa",
+ "smallvec",
  "subsetter",
  "tiny-skia-path",
  "xmp-writer",
  "yoke 0.8.0",
- "zune-jpeg",
+ "zune-jpeg 0.4.14",
 ]
 
 [[package]]
 name = "krilla-svg"
 version = "0.1.0"
-source = "git+https://github.com/LaurenzV/krilla?rev=20c14fe#20c14fefee5002566b3d6668b338bbe2168784e7"
 dependencies = [
  "flate2",
  "fontdb",
@@ -1416,6 +1439,12 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.169"
@@ -2175,7 +2204,7 @@ dependencies = [
  "svgtypes",
  "tiny-skia",
  "usvg",
- "zune-jpeg",
+ "zune-jpeg 0.4.14",
 ]
 
 [[package]]
@@ -2451,9 +2480,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.13.2"
+version = "1.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
 [[package]]
 name = "spin"
@@ -3075,6 +3104,7 @@ dependencies = [
  "fontdb",
  "glidesort",
  "hayagriva",
+ "hayro-syntax",
  "icu_properties",
  "icu_provider",
  "icu_provider_blob",
@@ -3970,11 +4000,24 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
 
+[[package]]
+name = "zune-core"
+version = "0.5.0-rc2"
+source = "git+https://github.com/etemesi254/zune-image?rev=ac43af3#ac43af36e7125c120d64392c3eee52528c24b5c4"
+
 [[package]]
 name = "zune-jpeg"
 version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99a5bab8d7dedf81405c4bb1f2b83ea057643d9cb28778cea9eecddeedd2e028"
 dependencies = [
- "zune-core",
+ "zune-core 0.4.12",
+]
+
+[[package]]
+name = "zune-jpeg"
+version = "0.5.0-rc5"
+source = "git+https://github.com/etemesi254/zune-image?rev=ac43af3#ac43af36e7125c120d64392c3eee52528c24b5c4"
+dependencies = [
+ "zune-core 0.5.0-rc2",
 ]

Cargo.toml

@@ -61,6 +61,7 @@ fontdb = { version = "0.23", default-features = false }
 fs_extra = "1.3"
 glidesort = "0.1.2"
 hayagriva = "0.8.1"
+hayro-syntax = { path = "../hayro/hayro-syntax" }
 heck = "0.5"
 hypher = "0.1.4"
 icu_properties = { version = "1.4", features = ["serde"] }
@@ -73,8 +74,8 @@ image = { version = "0.25.5", default-features = false, features = ["png", "jpeg
 indexmap = { version = "2", features = ["serde"] }
 infer = { version = "0.19.0", default-features = false }
 kamadak-exif = "0.6"
-krilla = { git = "https://github.com/LaurenzV/krilla", rev = "20c14fe", default-features = false, features = ["raster-images", "comemo", "rayon"] }
-krilla-svg = { git = "https://github.com/LaurenzV/krilla", rev = "20c14fe" }
+krilla = { path = "../krilla/crates/krilla", default-features = false, features = ["raster-images", "comemo", "rayon", "pdf"] }
+krilla-svg = { path = "../krilla/crates/krilla-svg" }
 kurbo = "0.11"
 libfuzzer-sys = "0.4"
 lipsum = "0.9"

crates/typst-cli/src/args.rs

@@ -471,7 +471,7 @@ display_possible_values!(DiagnosticFormat);
 #[derive(Debug, Copy, Clone, Eq, PartialEq, ValueEnum)]
 pub enum Feature {
     Html,
-    PdfEmbedding
+    PdfEmbedding,
 }
 
 display_possible_values!(Feature);

crates/typst-cli/src/world.rs

@@ -117,7 +117,7 @@ impl SystemWorld {
                 .iter()
                 .map(|&feature| match feature {
                     Feature::Html => typst::Feature::Html,
-                    Feature::PdfEmbedding => typst::Feature::PdfEmbedding
+                    Feature::PdfEmbedding => typst::Feature::PdfEmbedding,
                 })
                 .collect();
 

crates/typst-library/Cargo.toml

@@ -31,6 +31,7 @@ flate2 = { workspace = true }
 fontdb = { workspace = true }
 glidesort = { workspace = true }
 hayagriva = { workspace = true }
+hayro-syntax = { workspace = true }
 icu_properties = { workspace = true }
 icu_provider = { workspace = true }
 icu_provider_blob = { workspace = true }

crates/typst-library/src/lib.rs

@@ -237,7 +237,7 @@ impl FromIterator<Feature> for Features {
 #[non_exhaustive]
 pub enum Feature {
     Html,
-    PdfEmbedding
+    PdfEmbedding,
 }
 
 /// A group of related standard library definitions.

crates/typst-library/src/visualize/image/mod.rs

@@ -1,8 +1,8 @@
 //! Image handling.
 
+mod pdf;
 mod raster;
 mod svg;
-mod pdf;
 
 pub use self::raster::{
     ExchangeFormat, PixelEncoding, PixelFormat, RasterFormat, RasterImage,
@@ -27,6 +27,7 @@ use crate::layout::{Length, Rel, Sizing};
 use crate::loading::{DataSource, Load, LoadSource, Loaded, Readable};
 use crate::model::Figurable;
 use crate::text::{families, LocalName};
+use crate::visualize::image::pdf::{PdfDocument, PdfImage};
 
 /// A raster or vector graphic.
 ///
@@ -127,6 +128,11 @@ pub struct ImageElem {
     /// A text describing the image.
     pub alt: Option<EcoString>,
 
+    /// The page number that should be embedded as an image. This attribute only has an effect
+    /// for PDF files.
+    #[default(1)]
+    pub page: usize,
+
     /// How the image should adjust itself to a given area (the area is defined
     /// by the `width` and `height` fields). Note that `fit` doesn't visually
     /// change anything if the area's aspect ratio is the same as the image's
@@ -262,6 +268,15 @@ impl Packed<ImageElem> {
                 )
                 .within(loaded)?,
             ),
+            ImageFormat::Vector(VectorFormat::Pdf) => {
+                let document = PdfDocument::new(loaded.data.clone()).within(loaded)?;
+                // The user provides the page number staring from 1, further down the pipeline they page
+                // numbers are 0-based.
+                let pdf_image =
+                    PdfImage::new(document, self.page.get(styles) - 1).within(loaded)?;
+
+                ImageKind::Pdf(pdf_image)
+            }
         };
 
         Ok(Image::new(kind, self.alt.get_cloned(styles), self.scaling.get(styles)))
@@ -287,6 +302,7 @@ impl Packed<ImageElem> {
                 "jpg" | "jpeg" => return Ok(ExchangeFormat::Jpg.into()),
                 "gif" => return Ok(ExchangeFormat::Gif.into()),
                 "svg" | "svgz" => return Ok(VectorFormat::Svg.into()),
+                "pdf" => return Ok(VectorFormat::Pdf.into()),
                 "webp" => return Ok(ExchangeFormat::Webp.into()),
                 _ => {}
             }
@@ -374,6 +390,7 @@ impl Image {
         match &self.0.kind {
             ImageKind::Raster(raster) => raster.format().into(),
             ImageKind::Svg(_) => VectorFormat::Svg.into(),
+            ImageKind::Pdf(_) => VectorFormat::Pdf.into(),
         }
     }
 
@@ -382,6 +399,7 @@ impl Image {
         match &self.0.kind {
             ImageKind::Raster(raster) => raster.width() as f64,
             ImageKind::Svg(svg) => svg.width(),
+            ImageKind::Pdf(pdf) => pdf.width() as f64,
         }
     }
 
@@ -390,6 +408,7 @@ impl Image {
         match &self.0.kind {
             ImageKind::Raster(raster) => raster.height() as f64,
             ImageKind::Svg(svg) => svg.height(),
+            ImageKind::Pdf(pdf) => pdf.height() as f64,
         }
     }
 
@@ -398,6 +417,7 @@ impl Image {
         match &self.0.kind {
             ImageKind::Raster(raster) => raster.dpi(),
             ImageKind::Svg(_) => Some(Image::USVG_DEFAULT_DPI),
+            ImageKind::Pdf(_) => Some(Image::DEFAULT_DPI),
         }
     }
 
@@ -436,6 +456,8 @@ pub enum ImageKind {
     Raster(RasterImage),
     /// An SVG image.
     Svg(SvgImage),
+    /// A PDF image.
+    Pdf(PdfImage),
 }
 
 impl From<RasterImage> for ImageKind {
@@ -469,9 +491,9 @@ impl ImageFormat {
         if is_svg(data) {
             return Some(Self::Vector(VectorFormat::Svg));
         }
-        
+
         if is_pdf(data) {
-            return Some(Self::Vector(VectorFormat::Pdf))
+            return Some(Self::Vector(VectorFormat::Pdf));
         }
 
         None

crates/typst-library/src/visualize/image/pdf.rs

@@ -1,6 +1,87 @@
-use std::sync::Arc;
+use crate::diag::LoadResult;
 use crate::foundations::Bytes;
+use hayro_syntax::pdf::Pdf;
+use std::hash::{Hash, Hasher};
+use std::sync::Arc;
 
-/// A PDF image.
+#[derive(Clone)]
+struct DocumentRepr {
+    pdf: Arc<Pdf>,
+    data: Bytes,
+    page_sizes: Vec<(f32, f32)>,
+}
+
+impl Hash for DocumentRepr {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.data.hash(state);
+    }
+}
+
+/// A PDF document.
 #[derive(Clone, Hash)]
-pub struct PdfImage(Bytes);
+pub struct PdfDocument(Arc<DocumentRepr>);
+
+impl PdfDocument {
+    /// Load a PDF document.
+    #[comemo::memoize]
+    #[typst_macros::time(name = "load pdf document")]
+    pub fn new(data: Bytes) -> LoadResult<PdfDocument> {
+        // TODO: Remove unwraps
+        let pdf = Arc::new(Pdf::new(Arc::new(data.clone())).unwrap());
+        let pages = pdf.pages().unwrap();
+
+        let page_sizes = pages.get().iter().map(|p| p.render_dimensions()).collect();
+
+        Ok(Self(Arc::new(DocumentRepr { data, pdf, page_sizes })))
+    }
+}
+
+struct ImageRepr {
+    pub document: PdfDocument,
+    pub page: usize,
+    pub width: f32,
+    pub height: f32,
+}
+
+impl Hash for ImageRepr {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.document.hash(state);
+        self.page.hash(state);
+    }
+}
+
+/// A page of a PDF file.
+#[derive(Clone, Hash)]
+pub struct PdfImage(Arc<ImageRepr>);
+
+impl PdfImage {
+    #[comemo::memoize]
+    pub fn new(document: PdfDocument, page: usize) -> LoadResult<PdfImage> {
+        // TODO: Don't allow loading if pdf-embedding feature is disabled.
+        // TODO: Remove Unwrap
+        let dimensions = *(&document.0).page_sizes.get(page).unwrap();
+
+        Ok(Self(Arc::new(ImageRepr {
+            document,
+            page,
+            width: dimensions.0,
+            height: dimensions.1,
+        })))
+    }
+
+    pub fn width(&self) -> f32 {
+        self.0.width
+    }
+
+    pub fn height(&self) -> f32 {
+        self.0.height
+    }
+
+    pub fn data(&self) -> &Bytes {
+        &self.0.document.0.data
+    }
+
+    pub fn page(&self) -> usize {
+        self.0.page
+    }
+}

crates/typst-pdf/src/convert.rs

@@ -363,6 +363,11 @@ fn finish(
                     hint: "convert the image to 8 bit instead"
                 )
             }
+            KrillaError::Pdf(_, e, loc) => {
+                // TODO: Better errors
+                let span = to_span(loc);
+                bail!(span, "failed to process PDF");
+            }
         },
     }
 }
@@ -576,6 +581,17 @@ fn convert_error(
             "{prefix} missing document date";
             hint: "set the date of the document"
         ),
+        ValidationError::DuplicateTagId(_, loc) => error!(
+            to_span(*loc),
+            "{prefix} duplicate tag id";
+            hint: "please report this as a bug"
+        ),
+        ValidationError::UnknownTagId(_, loc) => error!(
+            to_span(*loc),
+            "{prefix} unknown tag id";
+            hint: "please report this as a bug"
+        ),
+        ValidationError::EmbeddedPDF(loc) => error!(to_span(*loc), "TODO"),
     }
 }
 

crates/typst-pdf/src/image.rs

@@ -3,6 +3,7 @@ use std::sync::{Arc, OnceLock};
 
 use image::{DynamicImage, EncodableLayout, GenericImageView, Rgba};
 use krilla::image::{BitsPerComponent, CustomImage, ImageColorspace};
+use krilla::pdf::PdfDocument;
 use krilla::surface::Surface;
 use krilla_svg::{SurfaceExt, SvgSettings};
 use typst_library::diag::{bail, SourceResult};
@@ -60,6 +61,15 @@ pub(crate) fn handle_image(
                 SvgSettings { embed_text: true, ..Default::default() },
             );
         }
+        ImageKind::Pdf(pdf) => {
+            let pdf_data: Arc<dyn AsRef<[u8]> + Send + Sync> =
+                Arc::new(pdf.data().clone());
+            surface.draw_pdf_page(
+                &PdfDocument::new(pdf_data.into()).unwrap(),
+                size.to_krilla(),
+                pdf.page(),
+            )
+        }
     }
 
     if image.alt().is_some() {

crates/typst-render/src/image.rs

@@ -94,6 +94,7 @@ fn build_texture(image: &Image, w: u32, h: u32) -> Option<Arc<sk::Pixmap>> {
             );
             resvg::render(tree, ts, &mut texture.as_mut());
         }
+        ImageKind::Pdf(_) => todo!(),
     }
     Some(Arc::new(texture))
 }

crates/typst-svg/src/image.rs

@@ -66,6 +66,7 @@ pub fn convert_image_to_base64_url(image: &Image) -> EcoString {
             }),
         },
         ImageKind::Svg(svg) => ("svg+xml", svg.data()),
+        ImageKind::Pdf(_) => todo!(),
     };
 
     let mut url = eco_format!("data:image/{format};base64,");