Add status support

src/Spectre.Console/Rendering/SegmentShape.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Spectre.Console.Rendering
+{
+    internal readonly struct SegmentShape
+    {
+        public int Width { get; }
+        public int Height { get; }
+
+        public SegmentShape(int width, int height)
+        {
+            Width = width;
+            Height = height;
+        }
+
+        public static SegmentShape Calculate(RenderContext context, List<SegmentLine> lines)
+        {
+            if (context is null)
+            {
+                throw new ArgumentNullException(nameof(context));
+            }
+
+            if (lines is null)
+            {
+                throw new ArgumentNullException(nameof(lines));
+            }
+
+            var height = lines.Count;
+            var width = lines.Max(l => Segment.CellCount(context, l));
+
+            return new SegmentShape(width, height);
+        }
+
+        public SegmentShape Inflate(SegmentShape other)
+        {
+            return new SegmentShape(
+                Math.Max(Width, other.Width),
+                Math.Max(Height, other.Height));
+        }
+
+        public void SetShape(RenderContext context, List<SegmentLine> lines)
+        {
+            foreach (var line in lines)
+            {
+                var length = Segment.CellCount(context, line);
+                var missing = Width - length;
+                if (missing > 0)
+                {
+                    line.Add(new Segment(new string(' ', missing)));
+                }
+            }
+
+            if (lines.Count < Height)
+            {
+                var missing = Height - lines.Count;
+                for (var i = 0; i < missing; i++)
+                {
+                    var line = new SegmentLine();
+                    line.Add(new Segment(new string(' ', Width)));
+                    lines.Add(line);
+                }
+            }
+        }
+    }
+}