62 lines
1.5 KiB
C#
62 lines
1.5 KiB
C#
using System.Collections.Generic;
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using System.IO;
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namespace MyNes.Core
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{
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public class PaletteFileWrapper
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{
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public static bool LoadFile(Stream fileStream, out int[] palette)
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{
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Stream stream = fileStream;
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if (stream.Length == 192 || stream.Length == 1536)
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{
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int[] array = new int[512];
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byte[] array2 = new byte[stream.Length];
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stream.Read(array2, 0, array2.Length);
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int num = 0;
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for (int i = 0; i < 512; i++)
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{
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byte b = array2[num];
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num++;
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if (num == array2.Length)
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{
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num = 0;
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}
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byte b2 = array2[num];
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num++;
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if (num == array2.Length)
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{
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num = 0;
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}
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byte b3 = array2[num];
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num++;
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if (num == array2.Length)
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{
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num = 0;
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}
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array[i] = -16777216 | (b << 16) | (b2 << 8) | b3;
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}
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stream.Close();
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palette = array;
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return true;
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}
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palette = null;
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return false;
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}
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public static void SaveFile(string file, int[] palette)
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{
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Stream stream = new FileStream(file, FileMode.Create, FileAccess.Write);
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List<byte> list = new List<byte>();
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foreach (int num in palette)
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{
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list.Add((byte)((uint)(num >> 16) & 0xFFu));
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list.Add((byte)((uint)(num >> 8) & 0xFFu));
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list.Add((byte)((uint)num & 0xFFu));
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}
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stream.Write(list.ToArray(), 0, list.Count);
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stream.Close();
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}
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}
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}
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