Rewrite Curator in Rust with an egui GUI

examples/screenshot.rs

@@ -0,0 +1,39 @@
+//! Developer tool: render Curator offscreen (no window) against the pool in
+//! `$CURATOR_CONFIG` and save a PNG. `--action <name>` opens a dialog first
+//! (`edit`, `stats`, `schema`, `libraries`, `series`, `duplicates`, `tags`).
+//!
+//! ```text
+//! CURATOR_CONFIG=/tmp/cfg.json cargo run --example screenshot -- /tmp/shot.png --action edit
+//! ```
+
+use std::path::PathBuf;
+
+use curator::core::file_manager::FileManager;
+use curator::ui::app::CuratorApp;
+use egui_kittest::Harness;
+
+fn main() -> Result<(), String> {
+    let args: Vec<String> = std::env::args().collect();
+    let out = PathBuf::from(
+        args.get(1)
+            .cloned()
+            .unwrap_or_else(|| "screenshot.png".into()),
+    );
+    let action = args.iter().skip_while(|a| *a != "--action").nth(1).cloned();
+    let fm = FileManager::new();
+    let mut harness = Harness::builder()
+        .with_size(egui::vec2(1300.0, 800.0))
+        .allow_missing_glyphs()
+        .with_accessibility_check(false)
+        .wgpu()
+        .build_eframe(|cc| CuratorApp::new(fm, cc.egui_ctx.clone()));
+    harness.run_steps(3);
+    if let Some(a) = action {
+        harness.state_mut().debug_action(&a);
+        harness.run_steps(3);
+    }
+    let image = harness.render()?;
+    image.save(&out).map_err(|e| e.to_string())?;
+    println!("saved {}", out.display());
+    Ok(())
+}