Minor API tweaks

emigui/src/layout.rs

@@ -618,7 +618,7 @@ impl Region {
         text_style: TextStyle,
         align: (Align, Align),
         text_color: Option<Color>,
-    ) {
+    ) -> Vec2 {
         let font = &self.fonts()[text_style];
         let (text, text_size) = font.layout_multiline(text, std::f32::INFINITY);
 
@@ -633,6 +633,7 @@ impl Region {
             Align::Max => pos.y - text_size.y,
         };
         self.add_text(vec2(x, y), text_style, text, text_color);
+        text_size
     }
 
     pub fn add_text(

emigui/src/math.rs

@@ -117,6 +117,11 @@ impl Rect {
         }
     }
 
+    /// Expand by this much in each direction
+    pub fn expand(self, amnt: f32) -> Self {
+        Rect::from_center_size(self.center(), self.size() + 2.0 * vec2(amnt, amnt))
+    }
+
     pub fn contains(&self, p: Vec2) -> bool {
         self.pos.x <= p.x
             && p.x <= self.pos.x + self.size.x