chore: initial studio-theme-sunset 0.1.0

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>

src/lib.rs

@@ -0,0 +1,91 @@
+//! `studio.theme.sunset` — warm dusk Studio theme.
+//!
+//! Pink / orange / violet gradient feel. Reads like the sky
+//! 20 minutes after sunset: still bright at the horizon,
+//! purple settling in above. Light mode keeps a warm-white
+//! surface; dark mode drops into a deep mulberry navy.
+
+#![allow(clippy::result_large_err)]
+
+use fai_plugin_sdk::{bindings, export_plugin};
+
+type ColorScheme = bindings::fai::studio_plugin::plugin_types::ColorScheme;
+type PluginError = bindings::fai::studio_plugin::plugin_types::PluginError;
+type RenderedOutput = bindings::fai::studio_plugin::plugin_types::RenderedOutput;
+
+const SUNSET_LIGHT: [u32; 14] = [
+    0xFFE91E63, // primary           — pink 500
+    0xFFFFFFFF, // on_primary
+    0xFFFF7043, // secondary         — deep orange 400
+    0xFFFFFFFF, // on_secondary
+    0xFF8E24AA, // tertiary          — purple 600
+    0xFFFFFFFF, // on_tertiary
+    0xFFC62828, // error
+    0xFFFFFFFF, // on_error
+    0xFFFFF5F0, // surface           — warm whitespace
+    0xFF38121F, // on_surface
+    0xFFFFDDD0, // surface_variant
+    0xFF804040, // on_surface_variant
+    0xFFC97070, // outline
+    0xFFE6BFB5, // outline_variant
+];
+
+const SUNSET_DARK: [u32; 14] = [
+    0xFFF48FB1, // primary           — pink 200
+    0xFF38121F, // on_primary
+    0xFFFFAB91, // secondary         — deep orange 200
+    0xFF381200, // on_secondary
+    0xFFCE93D8, // tertiary          — purple 200
+    0xFF38003A, // on_tertiary
+    0xFFEF5350, // error
+    0xFF1A0000, // on_error
+    0xFF2A0F1F, // surface           — dark sunset
+    0xFFFFD6E0, // on_surface
+    0xFF4A2030, // surface_variant
+    0xFFE6BFB5, // on_surface_variant
+    0xFF806060, // outline
+    0xFF4A2D38, // outline_variant
+];
+
+struct SunsetPlugin;
+
+impl bindings::exports::fai::studio_plugin::theme::Guest for SunsetPlugin {
+    fn theme_for(brightness: String) -> Result<ColorScheme, PluginError> {
+        let tokens = match brightness.as_str() {
+            "light" => SUNSET_LIGHT.to_vec(),
+            "dark" => SUNSET_DARK.to_vec(),
+            other => {
+                return Err(PluginError::Declined(format!(
+                    "sunset has no scheme for brightness '{other}' \
+                     (supported: light, dark)"
+                )));
+            }
+        };
+        Ok(ColorScheme { brightness, tokens })
+    }
+}
+
+impl bindings::exports::fai::studio_plugin::translate::Guest for SunsetPlugin {
+    fn translate(
+        _text: String,
+        _from_locale: String,
+        _to_locale: String,
+    ) -> Result<String, PluginError> {
+        Err(PluginError::Declined(
+            "sunset is a theme plugin and does not translate".to_string(),
+        ))
+    }
+}
+
+impl bindings::exports::fai::studio_plugin::output_view::Guest for SunsetPlugin {
+    fn render(
+        _mime_type: String,
+        _data: Vec<u8>,
+    ) -> Result<RenderedOutput, PluginError> {
+        Err(PluginError::Declined(
+            "sunset is a theme plugin and does not render outputs".to_string(),
+        ))
+    }
+}
+
+export_plugin!(SunsetPlugin);