using System;
using System.IO;

namespace Hjg.Pngcs.Zlib
{
	// Token: 0x02000041 RID: 65
	public abstract class AZlibOutputStream : Stream
	{
		// Token: 0x0600027E RID: 638 RVA: 0x0000A73B File Offset: 0x0000893B
		public AZlibOutputStream(Stream st, int compressLevel, EDeflateCompressStrategy strat, bool leaveOpen)
		{
			this.rawStream = st;
			this.leaveOpen = leaveOpen;
			this.strategy = strat;
			this.compressLevel = compressLevel;
		}

		// Token: 0x0600027F RID: 639 RVA: 0x0000A760 File Offset: 0x00008960
		public override void SetLength(long value)
		{
			throw new NotImplementedException();
		}

		// Token: 0x1700003C RID: 60
		// (get) Token: 0x06000280 RID: 640 RVA: 0x0000A767 File Offset: 0x00008967
		public override bool CanSeek
		{
			get
			{
				return false;
			}
		}

		// Token: 0x06000281 RID: 641 RVA: 0x0000A76A File Offset: 0x0000896A
		public override long Seek(long offset, SeekOrigin origin)
		{
			throw new NotImplementedException();
		}

		// Token: 0x1700003D RID: 61
		// (get) Token: 0x06000282 RID: 642 RVA: 0x0000A771 File Offset: 0x00008971
		// (set) Token: 0x06000283 RID: 643 RVA: 0x0000A778 File Offset: 0x00008978
		public override long Position
		{
			get
			{
				throw new NotImplementedException();
			}
			set
			{
				throw new NotImplementedException();
			}
		}

		// Token: 0x1700003E RID: 62
		// (get) Token: 0x06000284 RID: 644 RVA: 0x0000A77F File Offset: 0x0000897F
		public override long Length
		{
			get
			{
				throw new NotImplementedException();
			}
		}

		// Token: 0x06000285 RID: 645 RVA: 0x0000A786 File Offset: 0x00008986
		public override int Read(byte[] buffer, int offset, int count)
		{
			throw new NotImplementedException();
		}

		// Token: 0x1700003F RID: 63
		// (get) Token: 0x06000286 RID: 646 RVA: 0x0000A78D File Offset: 0x0000898D
		public override bool CanRead
		{
			get
			{
				return false;
			}
		}

		// Token: 0x17000040 RID: 64
		// (get) Token: 0x06000287 RID: 647 RVA: 0x0000A790 File Offset: 0x00008990
		public override bool CanWrite
		{
			get
			{
				return true;
			}
		}

		// Token: 0x17000041 RID: 65
		// (get) Token: 0x06000288 RID: 648 RVA: 0x0000A793 File Offset: 0x00008993
		public override bool CanTimeout
		{
			get
			{
				return false;
			}
		}

		// Token: 0x06000289 RID: 649
		public abstract string getImplementationId();

		// Token: 0x0400014C RID: 332
		protected readonly Stream rawStream;

		// Token: 0x0400014D RID: 333
		protected readonly bool leaveOpen;

		// Token: 0x0400014E RID: 334
		protected int compressLevel;

		// Token: 0x0400014F RID: 335
		protected EDeflateCompressStrategy strategy;
	}
}