Merge pull request #17 from typst/rects

Add rectangle function 🎛

1 files changed, 37 insertions, 0 deletions

diff --git a/src/layout/background.rs b/src/layout/background.rs
new file mode 100644
index 00000000..07248e02
--- /dev/null
+++ b/src/layout/background.rs
@@ -0,0 +1,37 @@
+use super::*;
+
+/// A node that represents a rectangular box.
+#[derive(Debug, Clone, PartialEq)]
+pub struct NodeBackground {
+    /// The background fill.
+    pub fill: Fill,
+    /// The child node to be filled in.
+    pub child: Node,
+}
+
+impl Layout for NodeBackground {
+    fn layout(&self, ctx: &mut LayoutContext, areas: &Areas) -> Layouted {
+        let mut layouted = self.child.layout(ctx, areas);
+
+        if let Some(first) = layouted.frames_mut().first_mut() {
+            first.elements.insert(
+                0,
+                (
+                    Point::ZERO,
+                    Element::Geometry(Geometry {
+                        shape: Shape::Rect(first.size),
+                        fill: self.fill.clone(),
+                    }),
+                ),
+            )
+        }
+
+        layouted
+    }
+}
+
+impl From<NodeBackground> for NodeAny {
+    fn from(background: NodeBackground) -> Self {
+        Self::new(background)
+    }
+}