From 8f884f9f1d16b07e17d8c75d8b75e99de4dd314e Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Thu, 30 Jan 2025 19:52:32 +0100
Subject: [PATCH] Also hash ICC profile

---
 crates/typst-library/src/visualize/image/raster.rs | 7 ++++---
 crates/typst-pdf/src/image.rs                      | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/crates/typst-library/src/visualize/image/raster.rs b/crates/typst-library/src/visualize/image/raster.rs
index 0a62281fe..ae5b6a151 100644
--- a/crates/typst-library/src/visualize/image/raster.rs
+++ b/crates/typst-library/src/visualize/image/raster.rs
@@ -170,16 +170,17 @@ impl RasterImage {
     }
 
     /// Access the ICC profile, if any.
-    pub fn icc(&self) -> Option<&[u8]> {
-        self.0.icc.as_deref()
+    pub fn icc(&self) -> Option<&Bytes> {
+        self.0.icc.as_ref()
     }
 }
 
 impl Hash for Repr {
     fn hash<H: Hasher>(&self, state: &mut H) {
-        // The image is fully defined by data and format.
+        // The image is fully defined by data, format, and ICC profile.
         self.data.hash(state);
         self.format.hash(state);
+        self.icc.hash(state);
     }
 }
 
diff --git a/crates/typst-pdf/src/image.rs b/crates/typst-pdf/src/image.rs
index a88417909..550f60a4b 100644
--- a/crates/typst-pdf/src/image.rs
+++ b/crates/typst-pdf/src/image.rs
@@ -174,7 +174,7 @@ fn encode_raster_image(image: &RasterImage, interpolate: bool) -> EncodedImage {
             (Filter::FlateDecode, data, bits_per_component)
         };
 
-    let compressed_icc = image.icc().map(deflate);
+    let compressed_icc = image.icc().map(|data| deflate(data));
     let alpha = dynamic.color().has_alpha().then(|| encode_alpha(dynamic));
 
     EncodedImage::Raster {