1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/rust/svg_fmt/src/layout.rs b/third_party/rust/svg_fmt/src/layout.rs
new file mode 100644
index 0000000000..7dd6bcf75c
--- /dev/null
+++ b/third_party/rust/svg_fmt/src/layout.rs
@@ -0,0 +1,43 @@
+use crate::svg::{Rectangle, rectangle};
+
+#[derive(Copy, Clone, Debug)]
+pub struct VerticalLayout {
+    pub x: f32,
+    pub y: f32,
+    pub start_y: f32,
+    pub width: f32,
+}
+
+impl VerticalLayout {
+    pub fn new(x: f32, y: f32, width: f32) -> Self {
+        VerticalLayout {
+            x,
+            y,
+            start_y: y,
+            width,
+        }
+    }
+
+    pub fn advance(&mut self, by: f32) {
+        self.y += by;
+    }
+
+    pub fn push_rectangle(&mut self, height: f32) -> Rectangle {
+        let rect = rectangle(self.x, self.y, self.width, height);
+
+        self.y += height;
+
+        rect
+    }
+
+    pub fn total_rectangle(&self) -> Rectangle {
+        rectangle(
+            self.x, self.start_y,
+            self.width, self.y,
+        )
+    }
+
+    pub fn start_here(&mut self) {
+        self.start_y = self.y;
+    }
+}