Rebrand to Galaxy, major improvements to Bedrock support, still needs some TLC though

crates/galaxyui_core/src/zoom.rs

@@ -0,0 +1,42 @@
+//! Module containing definitions related to UI magnification via a [`ZoomFactor`].
+
+use pathfinder_geometry::vector::Vector2F;
+
+/// The zoom factor of the application. All UI elements are magnified by this value.
+#[derive(Copy, Clone)]
+pub struct ZoomFactor(f32);
+
+impl ZoomFactor {
+    pub fn new(zoom_level: f32) -> Self {
+        Self(zoom_level)
+    }
+}
+
+impl Default for ZoomFactor {
+    fn default() -> Self {
+        Self(1.0)
+    }
+}
+
+/// Helper trait that scales a value by the given [`ZoomFactor`].
+pub trait Scale: Sized {
+    /// Scales the current value up by the current [`ZoomFactor`].
+    fn scale_up(self, zoom_level: ZoomFactor) -> Self;
+
+    /// Scales the current value down by the current [`ZoomFactor`].
+    fn scale_down(self, zoom_level: ZoomFactor) -> Self {
+        self.scale_up(ZoomFactor::new(1.0 / zoom_level.0))
+    }
+}
+
+impl Scale for f32 {
+    fn scale_up(self, zoom_level: ZoomFactor) -> Self {
+        self * zoom_level.0
+    }
+}
+
+impl Scale for Vector2F {
+    fn scale_up(self, zoom_level: ZoomFactor) -> Self {
+        Vector2F::new(self.x() * zoom_level.0, self.y() * zoom_level.0)
+    }
+}