playtest-unity/playtest/Library/PackageCache/com.unity.performance.profi.../Editor/Histogram.cs

132 lines
4.6 KiB
C#

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);
}
}
}