using System;

namespace UnityEngine.Experimental.UIElements
{
	// Token: 0x02000323 RID: 803
	internal class IMImage : IMElement
	{
		// Token: 0x0600329E RID: 12958 RVA: 0x0004C948 File Offset: 0x0004AB48
		public IMImage()
		{
			this.scaleMode = ScaleMode.ScaleAndCrop;
		}

		// Token: 0x17000B7D RID: 2941
		// (get) Token: 0x0600329F RID: 12959 RVA: 0x0004C958 File Offset: 0x0004AB58
		// (set) Token: 0x060032A0 RID: 12960 RVA: 0x0004C974 File Offset: 0x0004AB74
		public Texture image { get; set; }

		// Token: 0x17000B7E RID: 2942
		// (get) Token: 0x060032A1 RID: 12961 RVA: 0x0004C980 File Offset: 0x0004AB80
		// (set) Token: 0x060032A2 RID: 12962 RVA: 0x0004C99C File Offset: 0x0004AB9C
		public ScaleMode scaleMode { get; set; }

		// Token: 0x17000B7F RID: 2943
		// (get) Token: 0x060032A3 RID: 12963 RVA: 0x0004C9A8 File Offset: 0x0004ABA8
		// (set) Token: 0x060032A4 RID: 12964 RVA: 0x0004C9C4 File Offset: 0x0004ABC4
		public float imageAspect { get; set; }

		// Token: 0x17000B80 RID: 2944
		// (get) Token: 0x060032A5 RID: 12965 RVA: 0x0004C9D0 File Offset: 0x0004ABD0
		// (set) Token: 0x060032A6 RID: 12966 RVA: 0x0004C9EC File Offset: 0x0004ABEC
		public bool alphaBlend { get; set; }

		// Token: 0x060032A7 RID: 12967 RVA: 0x0004C9F8 File Offset: 0x0004ABF8
		protected override int DoGenerateControlID()
		{
			return 0;
		}

		// Token: 0x060032A8 RID: 12968 RVA: 0x0004CA10 File Offset: 0x0004AC10
		internal override void DoRepaint(IStylePainter args)
		{
			if (this.image == null)
			{
				Debug.LogWarning("null texture passed to GUI.DrawTexture");
			}
			else
			{
				if (this.imageAspect == 0f)
				{
					this.imageAspect = (float)this.image.width / (float)this.image.height;
				}
				Material material = ((!this.alphaBlend) ? GUI.blitMaterial : GUI.blendMaterial);
				float num = base.position.width / base.position.height;
				Internal_DrawTextureArguments internal_DrawTextureArguments = new Internal_DrawTextureArguments
				{
					leftBorder = 0,
					rightBorder = 0,
					topBorder = 0,
					bottomBorder = 0,
					color = GUI.color,
					texture = this.image,
					mat = material
				};
				ScaleMode scaleMode = this.scaleMode;
				if (scaleMode != ScaleMode.StretchToFill)
				{
					if (scaleMode != ScaleMode.ScaleAndCrop)
					{
						if (scaleMode == ScaleMode.ScaleToFit)
						{
							if (num > this.imageAspect)
							{
								float num2 = this.imageAspect / num;
								internal_DrawTextureArguments.screenRect = new Rect(base.position.xMin + base.position.width * (1f - num2) * 0.5f, base.position.yMin, num2 * base.position.width, base.position.height);
								internal_DrawTextureArguments.sourceRect = new Rect(0f, 0f, 1f, 1f);
								Graphics.Internal_DrawTexture(ref internal_DrawTextureArguments);
							}
							else
							{
								float num3 = num / this.imageAspect;
								internal_DrawTextureArguments.screenRect = new Rect(base.position.xMin, base.position.yMin + base.position.height * (1f - num3) * 0.5f, base.position.width, num3 * base.position.height);
								internal_DrawTextureArguments.sourceRect = new Rect(0f, 0f, 1f, 1f);
								Graphics.Internal_DrawTexture(ref internal_DrawTextureArguments);
							}
						}
					}
					else if (num > this.imageAspect)
					{
						float num4 = this.imageAspect / num;
						internal_DrawTextureArguments.screenRect = base.position;
						internal_DrawTextureArguments.sourceRect = new Rect(0f, (1f - num4) * 0.5f, 1f, num4);
						Graphics.Internal_DrawTexture(ref internal_DrawTextureArguments);
					}
					else
					{
						float num5 = num / this.imageAspect;
						internal_DrawTextureArguments.screenRect = base.position;
						internal_DrawTextureArguments.sourceRect = new Rect(0.5f - num5 * 0.5f, 0f, num5, 1f);
						Graphics.Internal_DrawTexture(ref internal_DrawTextureArguments);
					}
				}
				else
				{
					internal_DrawTextureArguments.screenRect = base.position;
					internal_DrawTextureArguments.sourceRect = new Rect(0f, 0f, 1f, 1f);
					Graphics.Internal_DrawTexture(ref internal_DrawTextureArguments);
				}
			}
		}
	}
}