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niko
2026-06-04 11:42:34 +02:00
parent f39ba70a9f
commit e720b98cd1
7488 changed files with 2493818 additions and 0 deletions
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Pngcs/Chunks/PngChunkSPLT.cs
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using System;
using System.IO;
namespace Hjg.Pngcs.Chunks
{
// Token: 0x02000014 RID: 20
public class PngChunkSPLT : PngChunkMultiple
{
// Token: 0x17000006 RID: 6
// (get) Token: 0x0600008D RID: 141 RVA: 0x00003757 File Offset: 0x00001957
// (set) Token: 0x0600008E RID: 142 RVA: 0x0000375F File Offset: 0x0000195F
public string PalName { get; set; }
// Token: 0x17000007 RID: 7
// (get) Token: 0x0600008F RID: 143 RVA: 0x00003768 File Offset: 0x00001968
// (set) Token: 0x06000090 RID: 144 RVA: 0x00003770 File Offset: 0x00001970
public int SampleDepth { get; set; }
// Token: 0x17000008 RID: 8
// (get) Token: 0x06000091 RID: 145 RVA: 0x00003779 File Offset: 0x00001979
// (set) Token: 0x06000092 RID: 146 RVA: 0x00003781 File Offset: 0x00001981
public int[] Palette { get; set; }
// Token: 0x06000093 RID: 147 RVA: 0x0000378A File Offset: 0x0000198A
public PngChunkSPLT(ImageInfo info)
: base("sPLT", info)
{
this.PalName = "";
}
// Token: 0x06000094 RID: 148 RVA: 0x000037A3 File Offset: 0x000019A3
public override PngChunk.ChunkOrderingConstraint GetOrderingConstraint()
{
return PngChunk.ChunkOrderingConstraint.BEFORE_IDAT;
}
// Token: 0x06000095 RID: 149 RVA: 0x000037A8 File Offset: 0x000019A8
public override ChunkRaw CreateRawChunk()
{
MemoryStream memoryStream = new MemoryStream();
ChunkHelper.WriteBytesToStream(memoryStream, ChunkHelper.ToBytes(this.PalName));
memoryStream.WriteByte(0);
memoryStream.WriteByte((byte)this.SampleDepth);
int nentries = this.GetNentries();
for (int i = 0; i < nentries; i++)
{
for (int j = 0; j < 4; j++)
{
if (this.SampleDepth == 8)
{
PngHelperInternal.WriteByte(memoryStream, (byte)this.Palette[i * 5 + j]);
}
else
{
PngHelperInternal.WriteInt2(memoryStream, this.Palette[i * 5 + j]);
}
}
PngHelperInternal.WriteInt2(memoryStream, this.Palette[i * 5 + 4]);
}
byte[] array = memoryStream.ToArray();
ChunkRaw chunkRaw = base.createEmptyChunk(array.Length, false);
chunkRaw.Data = array;
return chunkRaw;
}
// Token: 0x06000096 RID: 150 RVA: 0x00003864 File Offset: 0x00001A64
public override void ParseFromRaw(ChunkRaw c)
{
int num = -1;
for (int i = 0; i < c.Data.Length; i++)
{
if (c.Data[i] == 0)
{
num = i;
break;
}
}
if (num <= 0 || num > c.Data.Length - 2)
{
throw new PngjException("bad sPLT chunk: no separator found");
}
this.PalName = ChunkHelper.ToString(c.Data, 0, num);
this.SampleDepth = PngHelperInternal.ReadInt1fromByte(c.Data, num + 1);
num += 2;
int num2 = (c.Data.Length - num) / ((this.SampleDepth == 8) ? 6 : 10);
this.Palette = new int[num2 * 5];
int num3 = 0;
for (int j = 0; j < num2; j++)
{
int num4;
int num5;
int num6;
int num7;
if (this.SampleDepth == 8)
{
num4 = PngHelperInternal.ReadInt1fromByte(c.Data, num++);
num5 = PngHelperInternal.ReadInt1fromByte(c.Data, num++);
num6 = PngHelperInternal.ReadInt1fromByte(c.Data, num++);
num7 = PngHelperInternal.ReadInt1fromByte(c.Data, num++);
}
else
{
num4 = PngHelperInternal.ReadInt2fromBytes(c.Data, num);
num += 2;
num5 = PngHelperInternal.ReadInt2fromBytes(c.Data, num);
num += 2;
num6 = PngHelperInternal.ReadInt2fromBytes(c.Data, num);
num += 2;
num7 = PngHelperInternal.ReadInt2fromBytes(c.Data, num);
num += 2;
}
int num8 = PngHelperInternal.ReadInt2fromBytes(c.Data, num);
num += 2;
this.Palette[num3++] = num4;
this.Palette[num3++] = num5;
this.Palette[num3++] = num6;
this.Palette[num3++] = num7;
this.Palette[num3++] = num8;
}
}
// Token: 0x06000097 RID: 151 RVA: 0x00003A18 File Offset: 0x00001C18
public override void CloneDataFromRead(PngChunk other)
{
PngChunkSPLT pngChunkSPLT = (PngChunkSPLT)other;
this.PalName = pngChunkSPLT.PalName;
this.SampleDepth = pngChunkSPLT.SampleDepth;
this.Palette = new int[pngChunkSPLT.Palette.Length];
Array.Copy(pngChunkSPLT.Palette, 0, this.Palette, 0, this.Palette.Length);
}
// Token: 0x06000098 RID: 152 RVA: 0x00003A72 File Offset: 0x00001C72
public int GetNentries()
{
return this.Palette.Length / 5;
}
// Token: 0x04000050 RID: 80
public const string ID = "sPLT";
}
}