Fix font embedding bugs

Cargo.lock

@@ -1171,9 +1171,9 @@ dependencies = [
 
 [[package]]
 name = "subsetter"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7965addcab1ea757e91d2c870b7d0146c3e7388ab85a6ec052dbe0ab2eaa3c18"
+checksum = "09eab8a83bff89ba2200bd4c59be45c7c787f988431b936099a5a266c957f2f9"
 
 [[package]]
 name = "svg2pdf"

Cargo.toml

@@ -31,7 +31,7 @@ roxmltree = "0.14"
 rustybuzz = "0.5"
 serde = { version = "1", features = ["derive"] }
 siphasher = "0.3"
-subsetter = "0.1"
+subsetter = "0.1.1"
 svg2pdf = "0.4"
 thin-vec = "0.2"
 tiny-skia = "0.6.2"

src/export/pdf/font.rs

@@ -169,14 +169,14 @@ pub fn write_fonts(ctx: &mut PdfContext) {
             subsetter::subset(data, font.index(), profile)
         };
 
-        // Compress and write the font's byte.
+        // Compress and write the font's bytes.
         let data = subsetted.as_deref().unwrap_or(data);
         let data = deflate(data);
         let mut stream = ctx.writer.stream(data_ref, &data);
         stream.filter(Filter::FlateDecode);
 
         if subtype == CidFontType::Type0 {
-            stream.pair(Name(b"Subtype"), Name(b"OpenType"));
+            stream.pair(Name(b"Subtype"), Name(b"CIDFontType0C"));
         }
 
         stream.finish();