using System;
using UnityEngine.Experimental.UIElements.StyleEnums;

namespace UnityEngine.Experimental.UIElements
{
	// Token: 0x0200035D RID: 861
	public static class VisualElementExtensions
	{
		// Token: 0x060034F3 RID: 13555 RVA: 0x0005679C File Offset: 0x0005499C
		public static Vector2 GlobalToBound(this VisualElement ele, Vector2 p)
		{
			Vector3 vector = ele.globalTransform.inverse.MultiplyPoint3x4(new Vector3(p.x, p.y, 0f));
			return new Vector2(vector.x - ele.position.position.x, vector.y - ele.position.position.y);
		}

		// Token: 0x060034F4 RID: 13556 RVA: 0x00056828 File Offset: 0x00054A28
		public static Vector2 LocalToGlobal(this VisualElement ele, Vector2 p)
		{
			Vector3 vector = ele.globalTransform.MultiplyPoint3x4(p + ele.position.position);
			return new Vector2(vector.x, vector.y);
		}

		// Token: 0x060034F5 RID: 13557 RVA: 0x00056878 File Offset: 0x00054A78
		public static Rect GlobalToBound(this VisualElement ele, Rect r)
		{
			Matrix4x4 inverse = ele.globalTransform.inverse;
			Vector2 vector = inverse.MultiplyPoint3x4(r.position);
			r.position = vector - ele.position.position;
			r.size = inverse.MultiplyPoint3x4(r.size);
			return r;
		}

		// Token: 0x060034F6 RID: 13558 RVA: 0x000568F4 File Offset: 0x00054AF4
		public static Rect LocalToGlobal(this VisualElement ele, Rect r)
		{
			Matrix4x4 globalTransform = ele.globalTransform;
			r.position = globalTransform.MultiplyPoint3x4(ele.position.position + r.position);
			r.size = globalTransform.MultiplyPoint3x4(r.size);
			return r;
		}

		// Token: 0x060034F7 RID: 13559 RVA: 0x00056964 File Offset: 0x00054B64
		public static Vector2 ChangeCoordinatesTo(this VisualElement src, VisualElement dest, Vector2 point)
		{
			return dest.GlobalToBound(src.LocalToGlobal(point));
		}

		// Token: 0x060034F8 RID: 13560 RVA: 0x00056988 File Offset: 0x00054B88
		public static Rect ChangeCoordinatesTo(this VisualElement src, VisualElement dest, Rect rect)
		{
			return dest.GlobalToBound(src.LocalToGlobal(rect));
		}

		// Token: 0x060034F9 RID: 13561 RVA: 0x000569AC File Offset: 0x00054BAC
		public static void StretchToParentSize(this VisualElement elem)
		{
			elem.positionType = PositionType.Absolute;
			elem.positionLeft = 0f;
			elem.positionTop = 0f;
			elem.positionRight = 0f;
			elem.positionBottom = 0f;
		}

		// Token: 0x060034FA RID: 13562 RVA: 0x000569E4 File Offset: 0x00054BE4
		public static T GetFirstOfType<T>(this VisualElement self) where T : class
		{
			T t = self as T;
			T t2;
			if (t != null)
			{
				t2 = t;
			}
			else
			{
				t2 = self.GetFirstAncestorOfType<T>();
			}
			return t2;
		}

		// Token: 0x060034FB RID: 13563 RVA: 0x00056A24 File Offset: 0x00054C24
		public static T GetFirstAncestorOfType<T>(this VisualElement self) where T : class
		{
			for (VisualElement visualElement = self.parent; visualElement != null; visualElement = visualElement.parent)
			{
				T t = visualElement as T;
				if (t != null)
				{
					return t;
				}
			}
			return (T)((object)null);
		}
	}
}