using System;

namespace Hjg.Pngcs.Chunks
{
	// Token: 0x02000025 RID: 37
	public class PngChunkICCP : PngChunkSingle
	{
		// Token: 0x0600014D RID: 333 RVA: 0x000062FA File Offset: 0x000044FA
		public PngChunkICCP(ImageInfo info)
			: base("iCCP", info)
		{
		}

		// Token: 0x0600014E RID: 334 RVA: 0x00006308 File Offset: 0x00004508
		public override PngChunk.ChunkOrderingConstraint GetOrderingConstraint()
		{
			return PngChunk.ChunkOrderingConstraint.BEFORE_PLTE_AND_IDAT;
		}

		// Token: 0x0600014F RID: 335 RVA: 0x0000630C File Offset: 0x0000450C
		public override ChunkRaw CreateRawChunk()
		{
			ChunkRaw chunkRaw = base.createEmptyChunk(this.profileName.Length + this.compressedProfile.Length + 2, true);
			Array.Copy(ChunkHelper.ToBytes(this.profileName), 0, chunkRaw.Data, 0, this.profileName.Length);
			chunkRaw.Data[this.profileName.Length] = 0;
			chunkRaw.Data[this.profileName.Length + 1] = 0;
			Array.Copy(this.compressedProfile, 0, chunkRaw.Data, this.profileName.Length + 2, this.compressedProfile.Length);
			return chunkRaw;
		}

		// Token: 0x06000150 RID: 336 RVA: 0x000063AC File Offset: 0x000045AC
		public override void ParseFromRaw(ChunkRaw chunk)
		{
			int num = ChunkHelper.PosNullByte(chunk.Data);
			this.profileName = PngHelperInternal.charsetLatin1.GetString(chunk.Data, 0, num);
			int num2 = (int)(chunk.Data[num + 1] & byte.MaxValue);
			if (num2 != 0)
			{
				throw new Exception("bad compression for ChunkTypeICCP");
			}
			int num3 = chunk.Data.Length - (num + 2);
			this.compressedProfile = new byte[num3];
			Array.Copy(chunk.Data, num + 2, this.compressedProfile, 0, num3);
		}

		// Token: 0x06000151 RID: 337 RVA: 0x0000642C File Offset: 0x0000462C
		public override void CloneDataFromRead(PngChunk other)
		{
			PngChunkICCP pngChunkICCP = (PngChunkICCP)other;
			this.profileName = pngChunkICCP.profileName;
			this.compressedProfile = new byte[pngChunkICCP.compressedProfile.Length];
			Array.Copy(pngChunkICCP.compressedProfile, this.compressedProfile, this.compressedProfile.Length);
		}

		// Token: 0x06000152 RID: 338 RVA: 0x00006478 File Offset: 0x00004678
		public void SetProfileNameAndContent(string name, string profile)
		{
			this.SetProfileNameAndContent(name, ChunkHelper.ToBytes(this.profileName));
		}

		// Token: 0x06000153 RID: 339 RVA: 0x0000648C File Offset: 0x0000468C
		public void SetProfileNameAndContent(string name, byte[] profile)
		{
			this.profileName = name;
			this.compressedProfile = ChunkHelper.compressBytes(profile, true);
		}

		// Token: 0x06000154 RID: 340 RVA: 0x000064A2 File Offset: 0x000046A2
		public string GetProfileName()
		{
			return this.profileName;
		}

		// Token: 0x06000155 RID: 341 RVA: 0x000064AA File Offset: 0x000046AA
		public byte[] GetProfile()
		{
			return ChunkHelper.compressBytes(this.compressedProfile, false);
		}

		// Token: 0x06000156 RID: 342 RVA: 0x000064B8 File Offset: 0x000046B8
		public string GetProfileAsString()
		{
			return ChunkHelper.ToString(this.GetProfile());
		}

		// Token: 0x040000B6 RID: 182
		public const string ID = "iCCP";

		// Token: 0x040000B7 RID: 183
		private string profileName;

		// Token: 0x040000B8 RID: 184
		private byte[] compressedProfile;
	}
}