From 49e64ee90c900bf390f6c372e71c4b3dc5eb3ae9 Mon Sep 17 00:00:00 2001
From: Ada Bohm <ada@kreatrix.org>
Date: Wed, 27 Nov 2024 20:46:36 +0100
Subject: [PATCH 1/4] Script & instruction for image diff reporting

---
 parley/tests/.gitignore     | 1 +
 parley/tests/README.md      | 6 +++++-
 parley/tests/make_report.sh | 9 +++++++++
 3 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 parley/tests/.gitignore
 create mode 100644 parley/tests/make_report.sh

diff --git a/parley/tests/.gitignore b/parley/tests/.gitignore
new file mode 100644
index 00000000..6fca42d6
--- /dev/null
+++ b/parley/tests/.gitignore
@@ -0,0 +1 @@
+report.html
diff --git a/parley/tests/README.md b/parley/tests/README.md
index 8c9bd74f..125f7188 100644
--- a/parley/tests/README.md
+++ b/parley/tests/README.md
@@ -13,4 +13,8 @@ If you think that everything is ok, you can start tests as follows:
 $ PARLEY_TEST="accept" cargo test
 ```
 
-It will update snapshots of the failed tests.
\ No newline at end of file
+It will update snapshots of the failed tests.
+
+## Report with diffs
+
+If you want to create a nice report with image diffs, run `make_report.sh`
diff --git a/parley/tests/make_report.sh b/parley/tests/make_report.sh
new file mode 100644
index 00000000..22ed7956
--- /dev/null
+++ b/parley/tests/make_report.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if ! command -v image_diff_review 2>&1 >/dev/null
+then
+    echo "image_diff_review not found. Install it via 'cargo install image_diff_review'"
+    exit 1
+fi
+
+image_diff_review --ignore-left-missing --left-title "Current test" --right-title "Snaphost" current snapshots report

From ffe224aadbde59cf516faec23140bc80f23bc8da Mon Sep 17 00:00:00 2001
From: Ada Bohm <ada@kreatrix.org>
Date: Fri, 29 Nov 2024 14:50:57 +0100
Subject: [PATCH 2/4] xtask_image_diff_report introduced

---
 .cargo/config.toml                  |   2 +
 Cargo.lock                          | 716 ++++++++++++++++++++++++++--
 Cargo.toml                          |   1 +
 parley/tests/README.md              |   6 +-
 parley/tests/make_report.sh         |   9 -
 xtask_image_diff_report/Cargo.toml  |  18 +
 xtask_image_diff_report/README.md   |   7 +
 xtask_image_diff_report/src/main.rs |  32 ++
 8 files changed, 735 insertions(+), 56 deletions(-)
 create mode 100644 .cargo/config.toml
 delete mode 100644 parley/tests/make_report.sh
 create mode 100644 xtask_image_diff_report/Cargo.toml
 create mode 100644 xtask_image_diff_report/README.md
 create mode 100644 xtask_image_diff_report/src/main.rs

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 00000000..903440f3
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[alias]
+xtask_image_diff_report = "run --package xtask_image_diff_report --"
diff --git a/Cargo.lock b/Cargo.lock
index 72d89389..e97913ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,7 +34,7 @@ dependencies = [
  "accesskit_consumer",
  "atspi-common",
  "serde",
- "thiserror",
+ "thiserror 1.0.64",
  "zvariant",
 ]
 
@@ -127,6 +127,12 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "aligned-vec"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4aa90d7ce82d4be67b64039a3d588d38dbcc6736577de4a847025ce5b0c468d1"
+
 [[package]]
 name = "allocator-api2"
 version = "0.2.18"
@@ -151,7 +157,7 @@ dependencies = [
  "ndk-context",
  "ndk-sys 0.6.0+11769913",
  "num_enum",
- "thiserror",
+ "thiserror 1.0.64",
 ]
 
 [[package]]
@@ -160,6 +166,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc7eb209b1518d6bb87b283c20095f5228ecda460da70b44f0802523dea6da04"
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -175,6 +187,23 @@ version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
 
+[[package]]
+name = "arbitrary"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dde20b3d026af13f561bdd0f15edf01fc734f0dafcedbaf42bba506a9517f223"
+
+[[package]]
+name = "arg_enum_proc_macro"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ae92a5119aa49cdbcf6b9f893fe4e1d98b04ccbf82ee0584ad948a44a734dea"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
+
 [[package]]
 name = "arrayref"
 version = "0.3.9"
@@ -307,7 +336,7 @@ checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -342,7 +371,7 @@ checksum = "721cae7de5c34fbb2acd27e21e6d2cf7b886dce0c27388d46c4e6c47ea4318dd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -408,6 +437,35 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "av1-grain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6678909d8c5d46a42abcf571271e15fdbc0a225e3646cf23762cd415046c78bf"
+dependencies = [
+ "anyhow",
+ "arrayvec",
+ "log",
+ "nom",
+ "num-rational",
+ "v_frame",
+]
+
+[[package]]
+name = "avif-serialize"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e335041290c43101ca215eed6f43ec437eb5a42125573f600fc3fa42b9bddd62"
+dependencies = [
+ "arrayvec",
+]
+
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bit-set"
 version = "0.6.0"
@@ -423,6 +481,12 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2c54ff287cfc0a34f38a6b832ea1bd8e448a330b3e40a50859e6488bee07f22"
 
+[[package]]
+name = "bit_field"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -435,6 +499,12 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "bitstream-io"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6099cdc01846bc367c4e7dd630dc5966dccf36b652fae7a74e17b640411a91b2"
+
 [[package]]
 name = "block"
 version = "0.1.6"
@@ -472,6 +542,12 @@ dependencies = [
  "piper",
 ]
 
+[[package]]
+name = "built"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c360505aed52b7ec96a3636c3f039d99103c37d1d9b4f7a8c743d3ea9ffcd03b"
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -495,7 +571,7 @@ checksum = "0cc8b54b395f2fcfbb3d90c47b01c7f444d94d05bdeb775811dec868ac3bbc26"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -527,7 +603,7 @@ dependencies = [
  "polling",
  "rustix",
  "slab",
- "thiserror",
+ "thiserror 1.0.64",
 ]
 
 [[package]]
@@ -559,6 +635,16 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 
+[[package]]
+name = "cfg-expr"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -577,6 +663,20 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
+[[package]]
+name = "chrono"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "clipboard-rs"
 version = "0.2.2"
@@ -611,6 +711,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "com"
 version = "0.6.0"
@@ -740,12 +846,37 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
 
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -797,7 +928,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -830,6 +961,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f25c0e292a7ca6d6498557ff1df68f32c99850012b6ea401cf8daf771f22ff53"
 
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
 [[package]]
 name = "endi"
 version = "1.1.0"
@@ -854,7 +991,7 @@ checksum = "de0d48a183585823424a4ce1aa132d174a6a81bd540895822eb4c8373a8e49e8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -909,6 +1046,21 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "exr"
+version = "1.73.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f83197f59927b46c04a183a619b7c29df34e63e63c7869320862268c0ef687e0"
+dependencies = [
+ "bit_field",
+ "half",
+ "lebe",
+ "miniz_oxide",
+ "rayon-core",
+ "smallvec",
+ "zune-inflate",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.1.1"
@@ -956,7 +1108,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7f8afb20c8069fd676d27b214559a337cc619a605d25a87baa90b49a06f3b18"
 dependencies = [
  "bytemuck",
- "thiserror",
+ "thiserror 1.0.64",
 ]
 
 [[package]]
@@ -1000,7 +1152,7 @@ checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -1053,7 +1205,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -1116,6 +1268,16 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gif"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fb2d69b19215e18bb912fa30f7ce15846e301408695e44e0ef719f1da9e19f2"
+dependencies = [
+ "color_quant",
+ "weezl",
+]
+
 [[package]]
 name = "gl_generator"
 version = "0.14.0"
@@ -1175,7 +1337,7 @@ checksum = "fdd4240fc91d3433d5e5b0fc5b67672d771850dc19bbee03c1381e19322803d7"
 dependencies = [
  "log",
  "presser",
- "thiserror",
+ "thiserror 1.0.64",
  "winapi",
  "windows 0.52.0",
 ]
@@ -1210,6 +1372,16 @@ dependencies = [
  "svg_fmt",
 ]
 
+[[package]]
+name = "half"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6dd08c532ae367adf81c312a4580bc67f1d0fe8bc9c460520283f4c0ff277888"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -1241,11 +1413,17 @@ dependencies = [
  "com",
  "libc",
  "libloading",
- "thiserror",
+ "thiserror 1.0.64",
  "widestring",
  "winapi",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.4.0"
@@ -1264,6 +1442,29 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core 0.52.0",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "1.5.0"
@@ -1355,7 +1556,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -1366,13 +1567,50 @@ checksum = "cd6f44aed642f18953a158afeb30206f4d50da59fbc66ecb53c66488de73563b"
 dependencies = [
  "bytemuck",
  "byteorder-lite",
+ "color_quant",
+ "exr",
+ "gif",
+ "image-webp",
  "num-traits",
  "png",
+ "qoi",
+ "ravif",
+ "rayon",
+ "rgb",
  "tiff",
  "zune-core",
  "zune-jpeg",
 ]
 
+[[package]]
+name = "image-webp"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e031e8e3d94711a9ccb5d6ea357439ef3dcbed361798bd4071dc4d9793fbe22f"
+dependencies = [
+ "byteorder-lite",
+ "quick-error",
+]
+
+[[package]]
+name = "image_diff_review"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "000d0e51db86d4d496a8d7cee9c589f1d7ab90b79afe62ee2c9c07dd12510996"
+dependencies = [
+ "base64",
+ "chrono",
+ "image",
+ "maud",
+ "thiserror 2.0.3",
+]
+
+[[package]]
+name = "imgref"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0263a3d970d5c054ed9312c0057b4f3bde9c0b33836d3637361d4a9e6e7a408"
+
 [[package]]
 name = "immutable-chunkmap"
 version = "2.0.6"
@@ -1392,6 +1630,32 @@ dependencies = [
  "hashbrown 0.15.0",
 ]
 
+[[package]]
+name = "interpolate_name"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c34819042dc3d3971c46c2190835914dfbe0c3c13f61449b2997f4e9722dfa60"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -1403,7 +1667,7 @@ dependencies = [
  "combine",
  "jni-sys",
  "log",
- "thiserror",
+ "thiserror 1.0.64",
  "walkdir",
  "windows-sys 0.45.0",
 ]
@@ -1466,12 +1730,28 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "lebe"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
+
 [[package]]
 name = "libc"
 version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
+[[package]]
+name = "libfuzzer-sys"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b9569d2f74e257076d8c6bfa73fb505b46b851e51ddaecc825944aa3bed17fa"
+dependencies = [
+ "arbitrary",
+ "cc",
+]
+
 [[package]]
 name = "libloading"
 version = "0.8.5"
@@ -1533,6 +1813,15 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
+name = "loop9"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fae87c125b03c1d2c0150c90365d7d6bcc53fb73a9acaef207d2d065860f062"
+dependencies = [
+ "imgref",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -1542,6 +1831,38 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "maud"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df518b75016b4289cdddffa1b01f2122f4a49802c93191f3133f6dc2472ebcaa"
+dependencies = [
+ "itoa",
+ "maud_macros",
+]
+
+[[package]]
+name = "maud_macros"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa453238ec218da0af6b11fc5978d3b5c3a45ed97b722391a2a11f3306274e18"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "maybe-rayon"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea1f30cedd69f0a2954655f7188c6a834246d2bcf1e315e2ac40c4b24dc9519"
+dependencies = [
+ "cfg-if",
+ "rayon",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -1581,6 +1902,12 @@ dependencies = [
  "paste",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.0"
@@ -1608,7 +1935,7 @@ dependencies = [
  "rustc-hash",
  "spirv",
  "termcolor",
- "thiserror",
+ "thiserror 1.0.64",
  "unicode-xid",
 ]
 
@@ -1624,7 +1951,7 @@ dependencies = [
  "ndk-sys 0.6.0+11769913",
  "num_enum",
  "raw-window-handle",
- "thiserror",
+ "thiserror 1.0.64",
 ]
 
 [[package]]
@@ -1651,6 +1978,12 @@ dependencies = [
  "jni-sys",
 ]
 
+[[package]]
+name = "new_debug_unreachable"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086"
+
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -1664,6 +1997,63 @@ dependencies = [
  "memoffset",
 ]
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
+[[package]]
+name = "noop_proc_macro"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0676bb32a98c1a483ce53e500a81ad9c3d5b3f7c920c28c24e9cb0980d0b5bc8"
+
+[[package]]
+name = "num-bigint"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-derive"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -1691,7 +2081,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -2022,7 +2412,7 @@ checksum = "a4502d8515ca9f32f1fb543d987f63d95a14934883db45bdb48060b6b69257f8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -2112,11 +2502,34 @@ dependencies = [
  "toml_edit",
 ]
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
-version = "1.0.86"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
 dependencies = [
  "unicode-ident",
 ]
@@ -2126,6 +2539,34 @@ name = "profiling"
 version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43d84d1d7a6ac92673717f9f6d1518374ef257669c24ebc5ac25d5033828be58"
+dependencies = [
+ "profiling-procmacros",
+]
+
+[[package]]
+name = "profiling-procmacros"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a65f2e60fbf1063868558d69c6beacf412dc755f9fc020f514b7955fc914fe30"
+dependencies = [
+ "quote",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "qoi"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6d64c71eb498fe9eae14ce4ec935c555749aef511cca85b5568910d6e48001"
+dependencies = [
+ "bytemuck",
+]
+
+[[package]]
+name = "quick-error"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
 
 [[package]]
 name = "quick-xml"
@@ -2191,12 +2632,82 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8a99fddc9f0ba0a85884b8d14e3592853e787d581ca1816c91349b10e4eeab"
 
+[[package]]
+name = "rav1e"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd87ce80a7665b1cce111f8a16c1f3929f6547ce91ade6addf4ec86a8dda5ce9"
+dependencies = [
+ "arbitrary",
+ "arg_enum_proc_macro",
+ "arrayvec",
+ "av1-grain",
+ "bitstream-io",
+ "built",
+ "cfg-if",
+ "interpolate_name",
+ "itertools",
+ "libc",
+ "libfuzzer-sys",
+ "log",
+ "maybe-rayon",
+ "new_debug_unreachable",
+ "noop_proc_macro",
+ "num-derive",
+ "num-traits",
+ "once_cell",
+ "paste",
+ "profiling",
+ "rand",
+ "rand_chacha",
+ "simd_helpers",
+ "system-deps",
+ "thiserror 1.0.64",
+ "v_frame",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "ravif"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2413fd96bd0ea5cdeeb37eaf446a22e6ed7b981d792828721e74ded1980a45c6"
+dependencies = [
+ "avif-serialize",
+ "imgref",
+ "loop9",
+ "quick-error",
+ "rav1e",
+ "rayon",
+ "rgb",
+]
+
 [[package]]
 name = "raw-window-handle"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
+[[package]]
+name = "rayon"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
+dependencies = [
+ "crossbeam-deque",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "read-fonts"
 version = "0.22.3"
@@ -2232,6 +2743,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832"
 
+[[package]]
+name = "rgb"
+version = "0.8.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57397d16646700483b67d2dd6511d79318f9d057fdbd21a4066aeac8b41d310a"
+
 [[package]]
 name = "roxmltree"
 version = "0.19.0"
@@ -2308,7 +2825,7 @@ checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -2319,7 +2836,16 @@ checksum = "6c64451ba24fc7a6a2d60fc75dd9c83c90903b19028d4eff35e88fc1e86564e9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -2354,6 +2880,15 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
+[[package]]
+name = "simd_helpers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95890f873bec569a0362c235787f3aca6e1e887302ba4840839bcc6459c42da6"
+dependencies = [
+ "quote",
+]
+
 [[package]]
 name = "skrifa"
 version = "0.22.3"
@@ -2403,7 +2938,7 @@ dependencies = [
  "log",
  "memmap2",
  "rustix",
- "thiserror",
+ "thiserror 1.0.64",
  "wayland-backend",
  "wayland-client",
  "wayland-csd-frame",
@@ -2491,9 +3026,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.79"
+version = "2.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "44d46482f1c1c87acd84dea20c1bf5ebff4c757009ed6bf19cfd36fb10e92c4e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2508,9 +3043,28 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "system-deps"
+version = "6.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
+dependencies = [
+ "cfg-expr",
+ "heck",
+ "pkg-config",
+ "toml",
+ "version-compare",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
+
 [[package]]
 name = "tempfile"
 version = "3.13.0"
@@ -2539,7 +3093,16 @@ version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.64",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
+dependencies = [
+ "thiserror-impl 2.0.3",
 ]
 
 [[package]]
@@ -2550,7 +3113,18 @@ checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -2610,11 +3184,26 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "toml_edit"
@@ -2623,6 +3212,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
  "indexmap",
+ "serde",
+ "serde_spanned",
  "toml_datetime",
  "winnow",
 ]
@@ -2646,7 +3237,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -2711,6 +3302,17 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "v_frame"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6f32aaa24bacd11e488aa9ba66369c7cd514885742c9fe08cfe85884db3e92b"
+dependencies = [
+ "aligned-vec",
+ "num-traits",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "vello"
 version = "0.3.0"
@@ -2725,7 +3327,7 @@ dependencies = [
  "raw-window-handle",
  "skrifa",
  "static_assertions",
- "thiserror",
+ "thiserror 1.0.64",
  "vello_encoding",
  "vello_shaders",
  "wgpu",
@@ -2767,10 +3369,16 @@ checksum = "07cad02d6f29f2212a6ee382a8fec6f9977d0cceefacf07f8e361607ffe3988d"
 dependencies = [
  "bytemuck",
  "naga",
- "thiserror",
+ "thiserror 1.0.64",
  "vello_encoding",
 ]
 
+[[package]]
+name = "version-compare"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -2815,7 +3423,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "wasm-bindgen-shared",
 ]
 
@@ -2849,7 +3457,7 @@ checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -3040,7 +3648,7 @@ dependencies = [
  "raw-window-handle",
  "rustc-hash",
  "smallvec",
- "thiserror",
+ "thiserror 1.0.64",
  "wgpu-hal",
  "wgpu-types",
 ]
@@ -3083,7 +3691,7 @@ dependencies = [
  "renderdoc-sys",
  "rustc-hash",
  "smallvec",
- "thiserror",
+ "thiserror 1.0.64",
  "wasm-bindgen",
  "web-sys",
  "wgpu-types",
@@ -3188,7 +3796,7 @@ checksum = "2bbd5b46c938e506ecbce286b6628a02171d56153ba733b6c741fc627ec9579b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -3199,7 +3807,7 @@ checksum = "053c4c462dc91d3b1504c6fe5a726dd15e216ba718e84a0e46a88fbe5ded3515"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -3575,6 +4183,13 @@ version = "0.8.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af4e2e2f7cba5a093896c1e150fbfe177d1883e7448200efb81d40b9d339ef26"
 
+[[package]]
+name = "xtask_image_diff_report"
+version = "0.1.0"
+dependencies = [
+ "image_diff_review",
+]
+
 [[package]]
 name = "yazi"
 version = "0.1.6"
@@ -3601,7 +4216,7 @@ checksum = "28cc31741b18cb6f1d5ff12f5b7523e3d6eb0852bbbad19d73905511d9849b95"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "synstructure",
 ]
 
@@ -3661,7 +4276,7 @@ checksum = "709ab20fc57cb22af85be7b360239563209258430bccf38d8b979c5a2ae3ecce"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "zbus-lockstep",
  "zbus_xml",
  "zvariant",
@@ -3676,7 +4291,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "zvariant_utils",
 ]
 
@@ -3728,7 +4343,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -3748,7 +4363,7 @@ checksum = "0ea7b4a3637ea8669cedf0f1fd5c286a17f3de97b8dd5a70a6c167a1730e63a5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "synstructure",
 ]
 
@@ -3771,7 +4386,7 @@ checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
 
 [[package]]
@@ -3780,6 +4395,15 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
 
+[[package]]
+name = "zune-inflate"
+version = "0.2.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
+dependencies = [
+ "simd-adler32",
+]
+
 [[package]]
 name = "zune-jpeg"
 version = "0.4.13"
@@ -3811,7 +4435,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
  "zvariant_utils",
 ]
 
@@ -3823,5 +4447,5 @@ checksum = "c51bcff7cc3dbb5055396bcf774748c3dab426b4b8659046963523cee4808340"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn 2.0.89",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 61347af1..d663c242 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,7 @@ members = [
     "examples/tiny_skia_render",
     "examples/swash_render",
     "examples/vello_editor",
+    "xtask_image_diff_report",
 ]
 
 [workspace.package]
diff --git a/parley/tests/README.md b/parley/tests/README.md
index 125f7188..48fe0d11 100644
--- a/parley/tests/README.md
+++ b/parley/tests/README.md
@@ -17,4 +17,8 @@ It will update snapshots of the failed tests.
 
 ## Report with diffs
 
-If you want to create a nice report with image diffs, run `make_report.sh`
+If you want to create a report with image diffs use:
+
+```bash
+$ cargo xtask_image_diff_report
+```
diff --git a/parley/tests/make_report.sh b/parley/tests/make_report.sh
deleted file mode 100644
index 22ed7956..00000000
--- a/parley/tests/make_report.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-
-if ! command -v image_diff_review 2>&1 >/dev/null
-then
-    echo "image_diff_review not found. Install it via 'cargo install image_diff_review'"
-    exit 1
-fi
-
-image_diff_review --ignore-left-missing --left-title "Current test" --right-title "Snaphost" current snapshots report
diff --git a/xtask_image_diff_report/Cargo.toml b/xtask_image_diff_report/Cargo.toml
new file mode 100644
index 00000000..4bc2e440
--- /dev/null
+++ b/xtask_image_diff_report/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "xtask_image_diff_report"
+version = "0.1.0"
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+repository.workspace = true
+
+description = "Create report via image_diff_review"
+keywords = ["test"]
+categories = ["graphics"]
+readme = "README.md"
+
+[dependencies]
+image_diff_review = "0.2"
+
+[lints]
+workspace = true
\ No newline at end of file
diff --git a/xtask_image_diff_report/README.md b/xtask_image_diff_report/README.md
new file mode 100644
index 00000000..bce4c5bd
--- /dev/null
+++ b/xtask_image_diff_report/README.md
@@ -0,0 +1,7 @@
+# xtask_image_diff_report
+
+Create a report for failed snapshot tests, just run
+
+```commandline
+$ cargo xtask_image_diff_report
+```
\ No newline at end of file
diff --git a/xtask_image_diff_report/src/main.rs b/xtask_image_diff_report/src/main.rs
new file mode 100644
index 00000000..274297ac
--- /dev/null
+++ b/xtask_image_diff_report/src/main.rs
@@ -0,0 +1,32 @@
+// Copyright 2024 the Parley Authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+//! # `xtask_image_diff_report`
+//!
+//! xtask for creating report when snapshot testing fails
+
+use image_diff_review::{CompareConfig, Error, ImageDiff, ReportConfig};
+use std::path::Path;
+
+fn main() -> Result<(), Error> {
+    let test_dir = Path::new(env!("CARGO_MANIFEST_DIR"))
+        .parent()
+        .unwrap()
+        .join("parley")
+        .join("tests");
+    let current_path = test_dir.join("current");
+    let snapshot_path = test_dir.join("snapshots");
+    let output_path = test_dir.join("report.html");
+
+    let mut config = CompareConfig::default();
+    config.set_ignore_left_missing(true);
+
+    let mut image_diff = ImageDiff::default();
+    image_diff.compare_directories(&config, &current_path, &snapshot_path)?;
+
+    let mut report_config = ReportConfig::default();
+    report_config.set_left_title("Current test");
+    report_config.set_right_title("Snapshot");
+    image_diff.create_report(&report_config, &output_path, true)?;
+    Ok(())
+}

From 37bff51faf8c5bf60603c0269489623fa7de436a Mon Sep 17 00:00:00 2001
From: Ada Bohm <ada@kreatrix.org>
Date: Wed, 4 Dec 2024 19:09:27 +0100
Subject: [PATCH 3/4] Detecting dead snapshots

---
 .cargo/config.toml                            |   2 +-
 Cargo.lock                                    |   2 +-
 Cargo.toml                                    |   2 +-
 parley/src/tests/utils/env.rs                 |   9 ++
 parley/tests/README.md                        |   2 +-
 xtask_image_diff_report/README.md             |   7 --
 xtask_image_diff_report/src/main.rs           |  32 ------
 .../Cargo.toml                                |   2 +-
 xtask_test/README.md                          |  13 +++
 xtask_test/src/main.rs                        | 102 ++++++++++++++++++
 10 files changed, 129 insertions(+), 44 deletions(-)
 delete mode 100644 xtask_image_diff_report/README.md
 delete mode 100644 xtask_image_diff_report/src/main.rs
 rename {xtask_image_diff_report => xtask_test}/Cargo.toml (90%)
 create mode 100644 xtask_test/README.md
 create mode 100644 xtask_test/src/main.rs

diff --git a/.cargo/config.toml b/.cargo/config.toml
index 903440f3..9db7b2dd 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,2 +1,2 @@
 [alias]
-xtask_image_diff_report = "run --package xtask_image_diff_report --"
+xtask-test = "run --package xtask_test --"
diff --git a/Cargo.lock b/Cargo.lock
index e97913ef..2a138b2b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4184,7 +4184,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af4e2e2f7cba5a093896c1e150fbfe177d1883e7448200efb81d40b9d339ef26"
 
 [[package]]
-name = "xtask_image_diff_report"
+name = "xtask_test"
 version = "0.1.0"
 dependencies = [
  "image_diff_review",
diff --git a/Cargo.toml b/Cargo.toml
index d663c242..174eca06 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ members = [
     "examples/tiny_skia_render",
     "examples/swash_render",
     "examples/vello_editor",
-    "xtask_image_diff_report",
+    "xtask_test",
 ]
 
 [workspace.package]
diff --git a/parley/src/tests/utils/env.rs b/parley/src/tests/utils/env.rs
index 587b7525..4f821394 100644
--- a/parley/src/tests/utils/env.rs
+++ b/parley/src/tests/utils/env.rs
@@ -70,6 +70,12 @@ fn is_accept_mode() -> bool {
         .unwrap_or(false)
 }
 
+fn is_generate_all_mode() -> bool {
+    std::env::var("PARLEY_TEST")
+        .map(|x| x.to_ascii_lowercase() == "generate-all")
+        .unwrap_or(false)
+}
+
 pub(crate) fn load_fonts_dir(collection: &mut Collection, path: &Path) -> std::io::Result<()> {
     let paths = std::fs::read_dir(path)?;
     for entry in paths {
@@ -255,6 +261,9 @@ impl TestEnv {
         let snapshot_path = snapshot_dir().join(&image_name);
         let comparison_path = current_imgs_dir().join(&image_name);
 
+        if is_generate_all_mode() {
+            current_img.save_png(&comparison_path).unwrap();
+        }
         if let Err(e) = self.check_images(&current_img, &snapshot_path) {
             if is_accept_mode() {
                 current_img.save_png(&snapshot_path).unwrap();
diff --git a/parley/tests/README.md b/parley/tests/README.md
index 48fe0d11..b100821e 100644
--- a/parley/tests/README.md
+++ b/parley/tests/README.md
@@ -20,5 +20,5 @@ It will update snapshots of the failed tests.
 If you want to create a report with image diffs use:
 
 ```bash
-$ cargo xtask_image_diff_report
+$ cargo xtask-test report
 ```
diff --git a/xtask_image_diff_report/README.md b/xtask_image_diff_report/README.md
deleted file mode 100644
index bce4c5bd..00000000
--- a/xtask_image_diff_report/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# xtask_image_diff_report
-
-Create a report for failed snapshot tests, just run
-
-```commandline
-$ cargo xtask_image_diff_report
-```
\ No newline at end of file
diff --git a/xtask_image_diff_report/src/main.rs b/xtask_image_diff_report/src/main.rs
deleted file mode 100644
index 274297ac..00000000
--- a/xtask_image_diff_report/src/main.rs
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2024 the Parley Authors
-// SPDX-License-Identifier: Apache-2.0 OR MIT
-
-//! # `xtask_image_diff_report`
-//!
-//! xtask for creating report when snapshot testing fails
-
-use image_diff_review::{CompareConfig, Error, ImageDiff, ReportConfig};
-use std::path::Path;
-
-fn main() -> Result<(), Error> {
-    let test_dir = Path::new(env!("CARGO_MANIFEST_DIR"))
-        .parent()
-        .unwrap()
-        .join("parley")
-        .join("tests");
-    let current_path = test_dir.join("current");
-    let snapshot_path = test_dir.join("snapshots");
-    let output_path = test_dir.join("report.html");
-
-    let mut config = CompareConfig::default();
-    config.set_ignore_left_missing(true);
-
-    let mut image_diff = ImageDiff::default();
-    image_diff.compare_directories(&config, &current_path, &snapshot_path)?;
-
-    let mut report_config = ReportConfig::default();
-    report_config.set_left_title("Current test");
-    report_config.set_right_title("Snapshot");
-    image_diff.create_report(&report_config, &output_path, true)?;
-    Ok(())
-}
diff --git a/xtask_image_diff_report/Cargo.toml b/xtask_test/Cargo.toml
similarity index 90%
rename from xtask_image_diff_report/Cargo.toml
rename to xtask_test/Cargo.toml
index 4bc2e440..5417832f 100644
--- a/xtask_image_diff_report/Cargo.toml
+++ b/xtask_test/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "xtask_image_diff_report"
+name = "xtask_test"
 version = "0.1.0"
 edition.workspace = true
 rust-version.workspace = true
diff --git a/xtask_test/README.md b/xtask_test/README.md
new file mode 100644
index 00000000..5161f68f
--- /dev/null
+++ b/xtask_test/README.md
@@ -0,0 +1,13 @@
+# xtask-test
+
+For creating a report for failed snapshot tests run:
+
+```commandline
+$ cargo xtask-test report
+```
+
+For showing dead snapshots run:
+
+```commandline
+$ cargo xtask-test dead-snapshots
+```
diff --git a/xtask_test/src/main.rs b/xtask_test/src/main.rs
new file mode 100644
index 00000000..4e77ee20
--- /dev/null
+++ b/xtask_test/src/main.rs
@@ -0,0 +1,102 @@
+// Copyright 2024 the Parley Authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+//! # `xtask_test`
+//!
+//! xtask with helper utilities for snapshot testing
+
+use image_diff_review::{CompareConfig, Error, ImageDiff, ReportConfig};
+use std::collections::BTreeSet;
+use std::ffi::OsStr;
+use std::path::{Path, PathBuf};
+use std::process::Command;
+
+fn create_report(
+    current_path: &Path,
+    snapshot_path: &Path,
+    output_path: &Path,
+) -> Result<(), Error> {
+    let mut config = CompareConfig::default();
+    config.set_ignore_left_missing(true);
+
+    let mut image_diff = ImageDiff::default();
+    image_diff.compare_directories(&config, current_path, snapshot_path)?;
+
+    let mut report_config = ReportConfig::default();
+    report_config.set_left_title("Current test");
+    report_config.set_right_title("Snapshot");
+    image_diff.create_report(&report_config, output_path, true)?;
+    Ok(())
+}
+
+fn list_image_dir(dir_path: &Path) -> Result<impl Iterator<Item = PathBuf>, std::io::Error> {
+    Ok(std::fs::read_dir(dir_path)?.filter_map(|entry| {
+        if let Ok(entry) = entry {
+            let path = entry.path();
+            if path
+                .extension()
+                .and_then(OsStr::to_str)
+                .map(|ext| ext == "png")
+                .unwrap_or(false)
+            {
+                Some(path)
+            } else {
+                None
+            }
+        } else {
+            None
+        }
+    }))
+}
+
+fn clean_image_path(dir_path: &Path) -> Result<(), std::io::Error> {
+    list_image_dir(dir_path)?.try_for_each(|path| std::fs::remove_file(&path))
+}
+
+fn detect_dead_snapshots(current_path: &Path, snapshot_path: &Path) -> Result<(), Error> {
+    clean_image_path(current_path)?;
+    let cargo = std::env::var("CARGO").unwrap();
+    Command::new(&cargo)
+        .arg("test")
+        .env("PARLEY_TEST", "generate-all")
+        .status()?;
+
+    let current_imgs: BTreeSet<String> = list_image_dir(current_path)?
+        .map(|r| r.file_name().unwrap().to_string_lossy().to_string())
+        .collect();
+    let snapshot_imgs: BTreeSet<String> = list_image_dir(snapshot_path)?
+        .map(|r| r.file_name().unwrap().to_string_lossy().to_string())
+        .collect();
+    let dead_paths: Vec<String> = snapshot_imgs.difference(&current_imgs).cloned().collect();
+
+    if dead_paths.is_empty() {
+        println!("No dead snapshots detected");
+    } else {
+        println!("========== DEAD SNAPSHOTS ==========");
+        for path in &dead_paths {
+            println!("{}", path);
+        }
+    }
+    clean_image_path(current_path)?;
+    Ok(())
+}
+
+fn main() -> Result<(), Error> {
+    let test_dir = Path::new(env!("CARGO_MANIFEST_DIR"))
+        .parent()
+        .unwrap()
+        .join("parley")
+        .join("tests");
+    let current_path = test_dir.join("current");
+    let snapshot_path = test_dir.join("snapshots");
+    match std::env::args().nth(1).as_deref() {
+        Some("clean") => clean_image_path(&current_path)?,
+        Some("report") => {
+            let output_path = test_dir.join("report.html");
+            create_report(&current_path, &snapshot_path, &output_path)?;
+        }
+        Some("dead-snapshots") => detect_dead_snapshots(&current_path, &snapshot_path)?,
+        _ => println!("Invalid command\n\nCommands:\n- clean: Clean 'current' directory\n- report: Create report with image diffs\n- dead-snapshots: print dead snapshots"),
+    }
+    Ok(())
+}

From de932ce929b2d7c4c3d9f73fe44b630ccc6558fc Mon Sep 17 00:00:00 2001
From: Ada Bohm <ada@kreatrix.org>
Date: Tue, 17 Dec 2024 15:16:21 +0100
Subject: [PATCH 4/4] Migrate to Kompari

---
 .cargo/config.toml     |   2 +-
 Cargo.lock             | 592 ++++++++---------------------------------
 parley/tests/README.md |   2 +-
 xtask_test/Cargo.toml  |   5 +-
 xtask_test/src/main.rs |  95 ++-----
 5 files changed, 134 insertions(+), 562 deletions(-)

diff --git a/.cargo/config.toml b/.cargo/config.toml
index 9db7b2dd..ff7b6547 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,2 +1,2 @@
 [alias]
-xtask-test = "run --package xtask_test --"
+xtask = "run --package xtask_test --"
diff --git a/Cargo.lock b/Cargo.lock
index 2a138b2b..62b4e0a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -127,12 +127,6 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "aligned-vec"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4aa90d7ce82d4be67b64039a3d588d38dbcc6736577de4a847025ce5b0c468d1"
-
 [[package]]
 name = "allocator-api2"
 version = "0.2.18"
@@ -182,28 +176,60 @@ dependencies = [
 ]
 
 [[package]]
-name = "anyhow"
-version = "1.0.89"
+name = "anstream"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
+checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
 
 [[package]]
-name = "arbitrary"
-version = "1.4.1"
+name = "anstyle"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dde20b3d026af13f561bdd0f15edf01fc734f0dafcedbaf42bba506a9517f223"
+checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
 
 [[package]]
-name = "arg_enum_proc_macro"
-version = "0.3.4"
+name = "anstyle-parse"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ae92a5119aa49cdbcf6b9f893fe4e1d98b04ccbf82ee0584ad948a44a734dea"
+checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.89",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c"
+dependencies = [
+ "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
+
 [[package]]
 name = "arrayref"
 version = "0.3.9"
@@ -437,29 +463,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
-[[package]]
-name = "av1-grain"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6678909d8c5d46a42abcf571271e15fdbc0a225e3646cf23762cd415046c78bf"
-dependencies = [
- "anyhow",
- "arrayvec",
- "log",
- "nom",
- "num-rational",
- "v_frame",
-]
-
-[[package]]
-name = "avif-serialize"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e335041290c43101ca215eed6f43ec437eb5a42125573f600fc3fa42b9bddd62"
-dependencies = [
- "arrayvec",
-]
-
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -481,12 +484,6 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2c54ff287cfc0a34f38a6b832ea1bd8e448a330b3e40a50859e6488bee07f22"
 
-[[package]]
-name = "bit_field"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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@@ -499,12 +496,6 @@ version = "2.6.0"
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 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
-[[package]]
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-
 [[package]]
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@@ -542,12 +533,6 @@ dependencies = [
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 ]
 
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-
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@@ -635,16 +620,6 @@ version = "1.1.0"
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 checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
 
-[[package]]
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- "smallvec",
- "target-lexicon",
-]
-
 [[package]]
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 version = "1.0.0"
@@ -677,6 +652,46 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "4.5.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3135e7ec2ef7b10c6ed8950f0f792ed96ee093fa088608f1c76e569722700c84"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
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+checksum = "30582fc632330df2bd26877bde0c1f4470d57c582bbc070376afcd04d8cb4838"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
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+checksum = "4ac6a0c7b1a9e9a5186361f67dfa1b88213572f427fb9ab038efb2bd8c582dab"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.89",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
+
 [[package]]
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 version = "0.2.2"
@@ -712,10 +727,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "color_quant"
-version = "1.1.0"
+name = "colorchoice"
+version = "1.0.3"
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-checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
 [[package]]
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@@ -846,37 +861,12 @@ dependencies = [
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 ]
 
-[[package]]
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-
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-dependencies = [
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-]
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 [[package]]
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-
 [[package]]
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@@ -961,12 +951,6 @@ version = "0.1.1"
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 checksum = "f25c0e292a7ca6d6498557ff1df68f32c99850012b6ea401cf8daf771f22ff53"
 
-[[package]]
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-
 [[package]]
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@@ -1046,21 +1030,6 @@ dependencies = [
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 ]
 
-[[package]]
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-dependencies = [
- "bit_field",
- "half",
- "lebe",
- "miniz_oxide",
- "rayon-core",
- "smallvec",
- "zune-inflate",
-]
-
 [[package]]
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@@ -1268,16 +1237,6 @@ dependencies = [
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 ]
 
-[[package]]
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-dependencies = [
- "color_quant",
- "weezl",
-]
-
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@@ -1372,16 +1331,6 @@ dependencies = [
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-[[package]]
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-dependencies = [
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- "crunchy",
-]
-
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@@ -1567,50 +1516,13 @@ checksum = "cd6f44aed642f18953a158afeb30206f4d50da59fbc66ecb53c66488de73563b"
 dependencies = [
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- "color_quant",
- "exr",
- "gif",
- "image-webp",
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- "qoi",
- "ravif",
- "rayon",
- "rgb",
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-[[package]]
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-
 [[package]]
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@@ -1631,24 +1543,10 @@ dependencies = [
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 [[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.89",
-]
-
-[[package]]
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-version = "0.12.1"
+name = "is_terminal_polyfill"
+version = "1.70.1"
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-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
-dependencies = [
- "either",
-]
+checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
 [[package]]
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@@ -1719,6 +1617,19 @@ version = "3.1.0"
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 checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
 
+[[package]]
+name = "kompari"
+version = "0.1.0"
+source = "git+https://github.com/linebender/kompari.git?rev=f7843edb4a816f5e43c037361180347ec6bc190e#f7843edb4a816f5e43c037361180347ec6bc190e"
+dependencies = [
+ "base64",
+ "chrono",
+ "clap",
+ "image",
+ "maud",
+ "thiserror 2.0.3",
+]
+
 [[package]]
 name = "kurbo"
 version = "0.11.1"
@@ -1730,28 +1641,12 @@ dependencies = [
  "smallvec",
 ]
 
-[[package]]
-name = "lebe"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
-
 [[package]]
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-[[package]]
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-dependencies = [
- "arbitrary",
- "cc",
-]
-
 [[package]]
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@@ -1813,15 +1708,6 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fae87c125b03c1d2c0150c90365d7d6bcc53fb73a9acaef207d2d065860f062"
-dependencies = [
- "imgref",
-]
-
 [[package]]
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 version = "0.0.6"
@@ -1853,16 +1739,6 @@ dependencies = [
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 ]
 
-[[package]]
-name = "maybe-rayon"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "cfg-if",
- "rayon",
-]
-
 [[package]]
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@@ -1902,12 +1778,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
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 version = "0.8.0"
@@ -1978,12 +1848,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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@@ -1997,63 +1861,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "minimal-lexical",
-]
-
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-
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-dependencies = [
- "num-integer",
- "num-traits",
-]
-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "quote",
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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-dependencies = [
- "num-bigint",
- "num-integer",
- "num-traits",
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-
 [[package]]
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@@ -2539,34 +2346,6 @@ name = "profiling"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43d84d1d7a6ac92673717f9f6d1518374ef257669c24ebc5ac25d5033828be58"
-dependencies = [
- "profiling-procmacros",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "syn 2.0.89",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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-
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 [[package]]
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@@ -2632,82 +2411,12 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8a99fddc9f0ba0a85884b8d14e3592853e787d581ca1816c91349b10e4eeab"
 
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-dependencies = [
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- "cfg-if",
- "interpolate_name",
- "itertools",
- "libc",
- "libfuzzer-sys",
- "log",
- "maybe-rayon",
- "new_debug_unreachable",
- "noop_proc_macro",
- "num-derive",
- "num-traits",
- "once_cell",
- "paste",
- "profiling",
- "rand",
- "rand_chacha",
- "simd_helpers",
- "system-deps",
- "thiserror 1.0.64",
- "v_frame",
- "wasm-bindgen",
-]
-
-[[package]]
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-dependencies = [
- "avif-serialize",
- "imgref",
- "loop9",
- "quick-error",
- "rav1e",
- "rayon",
- "rgb",
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-
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
-dependencies = [
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- "rayon-core",
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-
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-dependencies = [
- "crossbeam-deque",
- "crossbeam-utils",
-]
-
 [[package]]
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@@ -2743,12 +2452,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832"
 
-[[package]]
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-
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@@ -2839,15 +2542,6 @@ dependencies = [
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 ]
 
-[[package]]
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-version = "0.6.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
-dependencies = [
- "serde",
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-
 [[package]]
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@@ -2880,15 +2574,6 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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-
 [[package]]
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@@ -2985,6 +2670,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
 [[package]]
 name = "svg_fmt"
 version = "0.4.3"
@@ -3046,25 +2737,6 @@ dependencies = [
  "syn 2.0.89",
 ]
 
-[[package]]
-name = "system-deps"
-version = "6.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
-dependencies = [
- "cfg-expr",
- "heck",
- "pkg-config",
- "toml",
- "version-compare",
-]
-
-[[package]]
-name = "target-lexicon"
-version = "0.12.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
-
 [[package]]
 name = "tempfile"
 version = "3.13.0"
@@ -3184,26 +2856,11 @@ dependencies = [
  "zerovec",
 ]
 
-[[package]]
-name = "toml"
-version = "0.8.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
-dependencies = [
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit",
-]
-
 [[package]]
 name = "toml_datetime"
 version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
-dependencies = [
- "serde",
-]
 
 [[package]]
 name = "toml_edit"
@@ -3212,8 +2869,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
  "indexmap",
- "serde",
- "serde_spanned",
  "toml_datetime",
  "winnow",
 ]
@@ -3303,15 +2958,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
 [[package]]
-name = "v_frame"
-version = "0.3.8"
+name = "utf8parse"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6f32aaa24bacd11e488aa9ba66369c7cd514885742c9fe08cfe85884db3e92b"
-dependencies = [
- "aligned-vec",
- "num-traits",
- "wasm-bindgen",
-]
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "vello"
@@ -3373,12 +3023,6 @@ dependencies = [
  "vello_encoding",
 ]
 
-[[package]]
-name = "version-compare"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
-
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -4187,7 +3831,8 @@ checksum = "af4e2e2f7cba5a093896c1e150fbfe177d1883e7448200efb81d40b9d339ef26"
 name = "xtask_test"
 version = "0.1.0"
 dependencies = [
- "image_diff_review",
+ "clap",
+ "kompari",
 ]
 
 [[package]]
@@ -4395,15 +4040,6 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
 
-[[package]]
-name = "zune-inflate"
-version = "0.2.54"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
-dependencies = [
- "simd-adler32",
-]
-
 [[package]]
 name = "zune-jpeg"
 version = "0.4.13"
diff --git a/parley/tests/README.md b/parley/tests/README.md
index b100821e..49703de3 100644
--- a/parley/tests/README.md
+++ b/parley/tests/README.md
@@ -20,5 +20,5 @@ It will update snapshots of the failed tests.
 If you want to create a report with image diffs use:
 
 ```bash
-$ cargo xtask-test report
+$ cargo xtask report
 ```
diff --git a/xtask_test/Cargo.toml b/xtask_test/Cargo.toml
index 5417832f..eedeba44 100644
--- a/xtask_test/Cargo.toml
+++ b/xtask_test/Cargo.toml
@@ -12,7 +12,8 @@ categories = ["graphics"]
 readme = "README.md"
 
 [dependencies]
-image_diff_review = "0.2"
+kompari = { git = "https://github.com/linebender/kompari.git", rev = "f7843edb4a816f5e43c037361180347ec6bc190e", features = ["xtask-cli"] }
+clap = { version = "4", features = ["derive"] }
 
 [lints]
-workspace = true
\ No newline at end of file
+workspace = true
diff --git a/xtask_test/src/main.rs b/xtask_test/src/main.rs
index 4e77ee20..1ef7a4df 100644
--- a/xtask_test/src/main.rs
+++ b/xtask_test/src/main.rs
@@ -1,84 +1,27 @@
 // Copyright 2024 the Parley Authors
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
-//! # `xtask_test`
+//! # `xtask`
 //!
 //! xtask with helper utilities for snapshot testing
 
-use image_diff_review::{CompareConfig, Error, ImageDiff, ReportConfig};
-use std::collections::BTreeSet;
-use std::ffi::OsStr;
-use std::path::{Path, PathBuf};
+use clap::Parser;
+use kompari::xtask_cli::{XtaskActions, XtaskArgs};
+use kompari::Error;
+use std::path::Path;
 use std::process::Command;
 
-fn create_report(
-    current_path: &Path,
-    snapshot_path: &Path,
-    output_path: &Path,
-) -> Result<(), Error> {
-    let mut config = CompareConfig::default();
-    config.set_ignore_left_missing(true);
+struct XtaskActionsImpl();
 
-    let mut image_diff = ImageDiff::default();
-    image_diff.compare_directories(&config, current_path, snapshot_path)?;
-
-    let mut report_config = ReportConfig::default();
-    report_config.set_left_title("Current test");
-    report_config.set_right_title("Snapshot");
-    image_diff.create_report(&report_config, output_path, true)?;
-    Ok(())
-}
-
-fn list_image_dir(dir_path: &Path) -> Result<impl Iterator<Item = PathBuf>, std::io::Error> {
-    Ok(std::fs::read_dir(dir_path)?.filter_map(|entry| {
-        if let Ok(entry) = entry {
-            let path = entry.path();
-            if path
-                .extension()
-                .and_then(OsStr::to_str)
-                .map(|ext| ext == "png")
-                .unwrap_or(false)
-            {
-                Some(path)
-            } else {
-                None
-            }
-        } else {
-            None
-        }
-    }))
-}
-
-fn clean_image_path(dir_path: &Path) -> Result<(), std::io::Error> {
-    list_image_dir(dir_path)?.try_for_each(|path| std::fs::remove_file(&path))
-}
-
-fn detect_dead_snapshots(current_path: &Path, snapshot_path: &Path) -> Result<(), Error> {
-    clean_image_path(current_path)?;
-    let cargo = std::env::var("CARGO").unwrap();
-    Command::new(&cargo)
-        .arg("test")
-        .env("PARLEY_TEST", "generate-all")
-        .status()?;
-
-    let current_imgs: BTreeSet<String> = list_image_dir(current_path)?
-        .map(|r| r.file_name().unwrap().to_string_lossy().to_string())
-        .collect();
-    let snapshot_imgs: BTreeSet<String> = list_image_dir(snapshot_path)?
-        .map(|r| r.file_name().unwrap().to_string_lossy().to_string())
-        .collect();
-    let dead_paths: Vec<String> = snapshot_imgs.difference(&current_imgs).cloned().collect();
-
-    if dead_paths.is_empty() {
-        println!("No dead snapshots detected");
-    } else {
-        println!("========== DEAD SNAPSHOTS ==========");
-        for path in &dead_paths {
-            println!("{}", path);
-        }
+impl XtaskActions for XtaskActionsImpl {
+    fn generate_all_tests(&self) -> kompari::Result<()> {
+        let cargo = std::env::var("CARGO").unwrap();
+        Command::new(&cargo)
+            .arg("test")
+            .env("PARLEY_TEST", "generate-all")
+            .status()?;
+        Ok(())
     }
-    clean_image_path(current_path)?;
-    Ok(())
 }
 
 fn main() -> Result<(), Error> {
@@ -89,14 +32,6 @@ fn main() -> Result<(), Error> {
         .join("tests");
     let current_path = test_dir.join("current");
     let snapshot_path = test_dir.join("snapshots");
-    match std::env::args().nth(1).as_deref() {
-        Some("clean") => clean_image_path(&current_path)?,
-        Some("report") => {
-            let output_path = test_dir.join("report.html");
-            create_report(&current_path, &snapshot_path, &output_path)?;
-        }
-        Some("dead-snapshots") => detect_dead_snapshots(&current_path, &snapshot_path)?,
-        _ => println!("Invalid command\n\nCommands:\n- clean: Clean 'current' directory\n- report: Create report with image diffs\n- dead-snapshots: print dead snapshots"),
-    }
+    XtaskArgs::parse().run(&current_path, &snapshot_path, XtaskActionsImpl())?;
     Ok(())
 }