Initial commit

Library/PackageCache/com.unity.2d.common@2.1.0/Editor/ImagePacker/Jobs/FindTightRectJob.cs

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+using System;
+using UnityEngine;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+using Unity.Jobs;
+
+namespace UnityEditor.U2D.Common
+{
+    public struct FindTightRectJob : IJobParallelFor
+    {
+        [ReadOnly]
+        [DeallocateOnJobCompletion]
+        NativeArray<IntPtr> m_Buffers;
+        [ReadOnly]
+        int m_Width;
+        [ReadOnly]
+        int m_Height;
+        NativeArray<RectInt> m_Output;
+
+        public unsafe void Execute(int index)
+        {
+            var rect = new RectInt(m_Width, m_Height, 0, 0);
+            var color = (Color32*)m_Buffers[index].ToPointer();
+            for (int i = 0; i < m_Height; ++i)
+            {
+                for (int j = 0; j < m_Width; ++j)
+                {
+                    if (color->a != 0)
+                    {
+                        rect.x = Mathf.Min(j, rect.x);
+                        rect.y = Mathf.Min(i, rect.y);
+                        rect.width = Mathf.Max(j, rect.width);
+                        rect.height = Mathf.Max(i, rect.height);
+                    }
+                    ++color;
+                }
+            }
+            rect.width = Mathf.Max(0, rect.width - rect.x + 1);
+            rect.height = Mathf.Max(0, rect.height - rect.y + 1);
+            m_Output[index] = rect;
+        }
+
+        public static unsafe RectInt[] Execute(NativeArray<Color32>[] buffers, int width, int height)
+        {
+            var job = new FindTightRectJob();
+            job.m_Buffers = new NativeArray<IntPtr>(buffers.Length, Allocator.TempJob);
+            for (int i = 0; i < buffers.Length; ++i)
+                job.m_Buffers[i] = new IntPtr(buffers[i].GetUnsafeReadOnlyPtr());
+            job.m_Output = new NativeArray<RectInt>(buffers.Length, Allocator.TempJob);
+            job.m_Width = width;
+            job.m_Height = height;
+            // Ensure all jobs are completed before we return since we don't own the buffers
+            job.Schedule(buffers.Length, 1).Complete();
+            var rects = job.m_Output.ToArray();
+            job.m_Output.Dispose();
+            return rects;
+        }
+    }
+}

Library/PackageCache/com.unity.2d.common@2.1.0/Editor/ImagePacker/Jobs/FindTightRectJob.cs.meta

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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: