1 files changed, 44 insertions, 0 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/Outline.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/Outline.cs
new file mode 100644
index 0000000..e14c862
--- /dev/null
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/VertexModifiers/Outline.cs
@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+
+namespace UnityEngine.UI
+{
+    [AddComponentMenu("UI/Effects/Outline", 15)]
+    public class Outline : Shadow
+    {
+        protected Outline()
+        {}
+
+        public override void ModifyMesh(VertexHelper vh)
+        {
+            if (!IsActive())
+                return;
+
+            var verts = ListPool<UIVertex>.Get();
+            vh.GetUIVertexStream(verts);
+
+            var neededCpacity = verts.Count * 5;
+            if (verts.Capacity < neededCpacity)
+                verts.Capacity = neededCpacity;
+
+            var start = 0;
+            var end = verts.Count;
+            ApplyShadowZeroAlloc(verts, effectColor, start, verts.Count, effectDistance.x, effectDistance.y);
+
+            start = end;
+            end = verts.Count;
+            ApplyShadowZeroAlloc(verts, effectColor, start, verts.Count, effectDistance.x, -effectDistance.y);
+
+            start = end;
+            end = verts.Count;
+            ApplyShadowZeroAlloc(verts, effectColor, start, verts.Count, -effectDistance.x, effectDistance.y);
+
+            start = end;
+            end = verts.Count;
+            ApplyShadowZeroAlloc(verts, effectColor, start, verts.Count, -effectDistance.x, -effectDistance.y);
+
+            vh.Clear();
+            vh.AddUIVertexTriangleStream(verts);
+            ListPool<UIVertex>.Release(verts);
+        }
+    }
+}