From 5cb2a868dfaed6467a43e37ec15c9f4db75f72fe Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Sun, 16 Dec 2018 14:29:59 +0900
Subject: [PATCH] close #13; Preview soft mask buffer in inspector

---
 .../Scripts/Editor/SoftMaskEditor.cs          | 23 +++++++++++++++++++
 .../SoftMaskForUGUI/Scripts/SoftMask.cs       | 21 +++++++----------
 2 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/Editor/SoftMaskEditor.cs b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/Editor/SoftMaskEditor.cs
index f81cb45..64543ea 100644
--- a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/Editor/SoftMaskEditor.cs
+++ b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/Editor/SoftMaskEditor.cs
@@ -15,7 +15,14 @@ namespace Coffee.UIExtensions.Editors
 	[CanEditMultipleObjects]
 	public class SoftMaskEditor : Editor
 	{
+		const string k_PrefsPreview = "SoftMaskEditor_Preview";
 		static readonly List<Graphic> s_Graphics = new List<Graphic> ();
+		static bool s_Preview;
+
+		private void OnEnable ()
+		{
+			s_Preview = EditorPrefs.GetBool (k_PrefsPreview, false);
+		}
 
 		public override void OnInspectorGUI ()
 		{
@@ -43,6 +50,22 @@ public override void OnInspectorGUI ()
 				GUILayout.EndVertical ();
 				GUILayout.EndHorizontal ();
 			}
+
+			// Preview buffer.
+			GUILayout.BeginHorizontal (EditorStyles.helpBox);
+			if (s_Preview != (s_Preview = EditorGUILayout.ToggleLeft ("Preview Buffer", s_Preview, GUILayout.MaxWidth (EditorGUIUtility.labelWidth))))
+			{
+				EditorPrefs.SetBool (k_PrefsPreview, s_Preview);
+			}
+			if (s_Preview)
+			{
+				var tex = current.softMaskBuffer;
+				var wtdth = tex.width * 64 / tex.height;
+				EditorGUI.DrawPreviewTexture (GUILayoutUtility.GetRect (wtdth, 64), tex, null, ScaleMode.ScaleToFit);
+				Repaint ();
+			}
+			GUILayout.FlexibleSpace ();
+			GUILayout.EndHorizontal ();
 		}
 
 
diff --git a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
index b88b0f8..dc75177 100644
--- a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
+++ b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
@@ -414,19 +414,14 @@ void UpdateMaskTexture()
 		/// </summary>
 		void GetDesamplingSize(DesamplingRate rate, out int w, out int h)
 		{
-			#if UNITY_EDITOR
-			if (!Application.isPlaying)
-			{
-				var res = UnityEditor.UnityStats.screenRes.Split('x');
-				w = int.Parse(res[0]);
-				h = int.Parse(res[1]);
-			}
-			else
-		#endif
-		{
-				w = Screen.width;
-				h = Screen.height;
-			}
+#if UNITY_EDITOR
+			var res = UnityEditor.UnityStats.screenRes.Split('x');
+			w = int.Parse(res[0]);
+			h = int.Parse(res[1]);
+#else
+			w = Screen.width;
+			h = Screen.height;
+#endif
 
 			if (rate == DesamplingRate.None)
 				return;