Add support for perceptual image encoding

.github/workflows/release.yml

@@ -75,14 +75,14 @@ jobs:
           cp -av target/${{ matrix.target }}/release/zola .
           OUTPUT_DIR="$(find target -path '*/zola-*/out' -type d)"
           cp -av "$OUTPUT_DIR"/* artifacts
-          tar -czf ${{ github.event.repository.name }}-${{ github.ref_name }}-${{ matrix.target }}.tar.gz zola artifacts LICENSE
+          tar -czf ${{ github.event.repository.name }}-${{ github.ref_name }}-${{ matrix.target }}.tar.gz zola artifacts LICENSE LICENSE-MIT
         if: ${{ ! startsWith(matrix.os, 'windows') }}
 
       - name: Archive (Windows)
         run: |
           mkdir -p artifacts
           cp target/${{ matrix.target }}/release/zola.exe .
-          Compress-Archive zola.exe,LICENSE ${{ github.event.repository.name }}-${{ github.ref_name }}-${{ matrix.target }}.zip
+          Compress-Archive zola.exe,LICENSE,LICENSE-MIT ${{ github.event.repository.name }}-${{ github.ref_name }}-${{ matrix.target }}.zip
         if: ${{ startsWith(matrix.os, 'windows') }}
 
       - name: Attest Build Provenance

CHANGELOG.md

@@ -40,7 +40,7 @@ If you have Tera syntax in your content, you will need to wrap it in `{% raw %}.
 
 ### Breaking
 Syntect has been replaced with [Giallo](https://github.com/getzola/giallo) and all the highlighting options
-of the `markdown` section in the config file have been moved/changed in `[markdown.highlighting].
+of the `markdown` section in the config file have been moved/changed in `[markdown.highlighting]`.
 
 The themes are different so you will need to find something you like from <https://textmate-grammars-themes.netlify.app/>.
 

LICENSE-MIT

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Vincent Prouillet
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -11,7 +11,7 @@ in the [docs/content](docs/content) folder of this repository or visit the [Zola
 This tool and its template engine [tera](https://keats.github.io/tera/) were born from an intense dislike of the (insane) Golang template engine and therefore of
 Hugo that I was using before for 6+ sites.
 
-# List of features
+## List of features
 
 - [Single binary](https://www.getzola.org/documentation/getting-started/cli-usage/)
 - [Syntax highlighting](https://www.getzola.org/documentation/content/syntax-highlighting/)
@@ -31,3 +31,12 @@ Hugo that I was using before for 6+ sites.
 - [Search with no servers or any third parties involved](https://www.getzola.org/documentation/content/search/)
 - [Live reload](https://www.getzola.org/documentation/getting-started/cli-usage/#serve)
 - Deploy on many platforms easily: [Netlify](https://www.getzola.org/documentation/deployment/netlify/), [Vercel](https://www.getzola.org/documentation/deployment/vercel/), [Cloudflare Pages](https://www.getzola.org/documentation/deployment/cloudflare-pages/), etc
+
+## License
+
+This project contains code under multiple licenses.
+
+Code introduced after version 0.22 is licensed under the EUPL-1.2.
+Code that existed prior to commit 3c9131db0d203640b6d5619ca1f75ce1e0d49d8f remains licensed under the MIT License, including in later versions of the project.
+
+See LICENSE and LICENSE-MIT for details.

components/config/src/config/image_compression.rs

@@ -0,0 +1,41 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum ImageFormat {
+    Jpeg,
+    Webp,
+    Avif,
+}
+
+impl ImageFormat {
+    pub fn file_extension(&self) -> &str {
+        match self {
+            ImageFormat::Jpeg => "jpg",
+            ImageFormat::Webp => "webp",
+            ImageFormat::Avif => "avif",
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct ImageCompression {
+    /// Glob of files to run the compression on.
+    pub glob: String,
+    /// The codec to encode files to.
+    pub format: ImageFormat,
+    /// Target SSIM score.
+    #[serde(default = "default_ssim")]
+    pub target_ssim: f64,
+    /// Number of iterations to try and reach target SSIM.
+    #[serde(default = "default_iterations")]
+    pub max_iterations: u8,
+}
+
+fn default_ssim() -> f64 {
+    0.8295
+}
+
+fn default_iterations() -> u8 {
+    5
+}