Switch back to custom geometry types, unified with layout primitives 🏞

1 files changed, 51 insertions, 0 deletions

diff --git a/src/layout/text.rs b/src/layout/text.rs
new file mode 100644
index 00000000..fafc1b14
--- /dev/null
+++ b/src/layout/text.rs
@@ -0,0 +1,51 @@
+use std::fmt::{self, Debug, Formatter};
+use std::rc::Rc;
+
+use fontdock::{FallbackTree, FontVariant};
+
+use super::*;
+use crate::shaping;
+
+/// A text node.
+#[derive(Clone, PartialEq)]
+pub struct Text {
+    pub text: String,
+    pub size: Length,
+    pub dir: Dir,
+    pub fallback: Rc<FallbackTree>,
+    pub variant: FontVariant,
+    pub aligns: Gen<Align>,
+}
+
+#[async_trait(?Send)]
+impl Layout for Text {
+    async fn layout(
+        &self,
+        ctx: &mut LayoutContext,
+        _constraints: LayoutConstraints,
+    ) -> Vec<LayoutItem> {
+        let mut loader = ctx.loader.borrow_mut();
+        let boxed = shaping::shape(
+            &self.text,
+            self.size,
+            self.dir,
+            &mut loader,
+            &self.fallback,
+            self.variant,
+        )
+        .await;
+        vec![LayoutItem::Box(boxed, self.aligns)]
+    }
+}
+
+impl Debug for Text {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        write!(f, "Text({})", self.text)
+    }
+}
+
+impl From<Text> for LayoutNode {
+    fn from(text: Text) -> Self {
+        Self::Text(text)
+    }
+}