niko
85 lines
1.6 KiB
C#
85 lines
1.6 KiB
C#
using System;
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namespace Hjg.Pngcs.Zlib
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{
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// Token: 0x02000040 RID: 64
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public class Adler32
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{
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// Token: 0x06000277 RID: 631 RVA: 0x0000A600 File Offset: 0x00008800
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public void Update(byte data)
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{
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if (this.pend >= 5550)
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{
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this.updateModulus();
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}
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this.a += (uint)data;
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this.b += this.a;
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this.pend++;
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}
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// Token: 0x06000278 RID: 632 RVA: 0x0000A64F File Offset: 0x0000884F
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public void Update(byte[] data)
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{
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this.Update(data, 0, data.Length);
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}
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// Token: 0x06000279 RID: 633 RVA: 0x0000A65C File Offset: 0x0000885C
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public void Update(byte[] data, int offset, int length)
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{
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int num = 5550 - this.pend;
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for (int i = 0; i < length; i++)
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{
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if (i == num)
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{
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this.updateModulus();
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num = i + 5550;
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}
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this.a += (uint)data[i + offset];
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this.b += this.a;
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this.pend++;
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}
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}
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// Token: 0x0600027A RID: 634 RVA: 0x0000A6C7 File Offset: 0x000088C7
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public void Reset()
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{
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this.a = 1U;
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this.b = 0U;
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this.pend = 0;
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}
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// Token: 0x0600027B RID: 635 RVA: 0x0000A6DE File Offset: 0x000088DE
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private void updateModulus()
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{
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this.a %= 65521U;
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this.b %= 65521U;
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this.pend = 0;
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}
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// Token: 0x0600027C RID: 636 RVA: 0x0000A70B File Offset: 0x0000890B
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public uint GetValue()
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{
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if (this.pend > 0)
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{
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this.updateModulus();
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}
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return (this.b << 16) | this.a;
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}
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// Token: 0x04000147 RID: 327
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private const int _base = 65521;
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// Token: 0x04000148 RID: 328
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private const int _nmax = 5550;
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// Token: 0x04000149 RID: 329
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private uint a = 1U;
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// Token: 0x0400014A RID: 330
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private uint b;
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// Token: 0x0400014B RID: 331
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private int pend;
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}
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}
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