test

My project/Library/PackageCache/com.unity.performance.profile-analyzer/Editor/Histogram.cs

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+using UnityEngine;
+
+namespace UnityEditor.Performance.ProfileAnalyzer
+{
+    internal class Histogram
+    {
+        Draw2D m_2D;
+        Color m_ColorBarBackground;
+        DisplayUnits m_Units;
+
+        public void SetUnits(Units units)
+        {
+            m_Units = new DisplayUnits(units);
+        }
+
+        public Histogram(Draw2D draw2D, Units units)
+        {
+            m_2D = draw2D;
+            SetUnits(units);
+            m_ColorBarBackground = new Color(0.5f, 0.5f, 0.5f);
+        }
+
+        public Histogram(Draw2D draw2D, Units units, Color barBackground)
+        {
+            m_2D = draw2D;
+            SetUnits(units);
+            m_ColorBarBackground = barBackground;
+        }
+
+        public void DrawStart(float width)
+        {
+            EditorGUILayout.BeginHorizontal(GUILayout.Width(width + 10));
+
+            EditorGUILayout.BeginVertical();
+        }
+
+        public void DrawEnd(float width, float min, float max, float spacing)
+        {
+            EditorGUILayout.BeginHorizontal();
+            float halfWidth = width / 2;
+            GUIStyle leftAlignStyle = new GUIStyle(GUI.skin.label);
+            leftAlignStyle.contentOffset = new Vector2(-5, 0);
+            leftAlignStyle.alignment = TextAnchor.MiddleLeft;
+            GUIStyle rightAlignStyle = new GUIStyle(GUI.skin.label);
+            rightAlignStyle.contentOffset = new Vector2(-5, 0);
+            rightAlignStyle.alignment = TextAnchor.MiddleRight;
+            EditorGUILayout.LabelField(m_Units.ToString(min, false, 5, true), leftAlignStyle, GUILayout.Width(halfWidth));
+            EditorGUILayout.LabelField(m_Units.ToString(max, false, 5, true), rightAlignStyle, GUILayout.Width(halfWidth));
+            EditorGUILayout.EndHorizontal();
+
+            EditorGUILayout.EndVertical();
+
+            EditorGUILayout.EndHorizontal();
+        }
+
+        public void DrawBackground(float width, float height, int bucketCount, float min, float max, float spacing)
+        {
+            //bucketCount = (range == 0f) ? 1 : bucketCount;
+
+            float x = (spacing / 2);
+            float y = 0;
+            float w = ((width + spacing) / bucketCount) - spacing;
+            float h = height;
+
+            for (int i = 0; i < bucketCount; i++)
+            {
+                m_2D.DrawFilledBox(x, y, w, h, m_ColorBarBackground);
+                x += w;
+                x += spacing;
+            }
+        }
+
+        public void DrawData(float width, float height, int[] buckets, int totalFrameCount, float min, float max, Color barColor, float spacing)
+        {
+            float range = max - min;
+
+            //int bucketCount = (range == 0f) ? 1 : buckets.Length;
+            int bucketCount = buckets.Length;
+
+            float x = (spacing / 2);
+            float y = 0;
+            float w = ((width + spacing) / bucketCount) - spacing;
+            float h = height;
+
+            float bucketWidth = (range / bucketCount);
+            Rect rect = GUILayoutUtility.GetLastRect();
+            for (int bucketAt = 0; bucketAt < bucketCount; bucketAt++)
+            {
+                var count = buckets[bucketAt];
+
+                float barHeight = (h * count) / totalFrameCount;
+                if (count > 0)  // Make sure we always slow a small bar if non zero
+                    barHeight = Mathf.Max(1.0f, barHeight);
+                m_2D.DrawFilledBox(x, y, w, barHeight, barColor);
+
+                float bucketStart = min + (bucketAt * bucketWidth);
+                float bucketEnd = bucketStart + bucketWidth;
+
+                var tooltip = string.Format("{0}-{1}\n{2} {3}\n\nBar width: {4}",
+                    m_Units.ToTooltipString(bucketStart, false),
+                    m_Units.ToTooltipString(bucketEnd, true),
+                    count,
+                    count == 1 ? "frame" : "frames",
+                    m_Units.ToTooltipString(bucketWidth, true)
+                );
+
+                var content = new GUIContent("", tooltip);
+                GUI.Label(new Rect(rect.x + x, rect.y + y, w, h), content);
+
+                x += w;
+                x += spacing;
+            }
+        }
+
+        public void Draw(float width, float height, int[] buckets, int totalFrameCount, float min, float max, Color barColor)
+        {
+            DrawStart(width);
+
+            float spacing = 2;
+
+            if (m_2D.DrawStart(width, height, Draw2D.Origin.BottomLeft))
+            {
+                DrawBackground(width, height, buckets.Length, min, max, spacing);
+                DrawData(width, height, buckets, totalFrameCount, min, max, barColor, spacing);
+                m_2D.DrawEnd();
+            }
+
+            DrawEnd(width, min, max, spacing);
+        }
+    }
+}