amazfitbiptools/WatchFace.Parser/Models/Header.cs

42 lines
1.3 KiB
C#

using System;
using System.IO;
using System.Text;
namespace WatchFace.Parser.Models
{
public class Header
{
public const int HeaderSize = 40;
private const string DialSignature = "HMDIAL\0";
public string Signature { get; private set; } = DialSignature;
public uint Unknown { get; set; }
public uint ParametersSize { get; set; }
public bool IsValid => Signature == DialSignature;
public void WriteTo(Stream stream)
{
var buffer = new byte[HeaderSize];
for (var i = 0; i < buffer.Length; i++) buffer[i] = 0xff;
Encoding.ASCII.GetBytes(Signature).CopyTo(buffer, 0);
BitConverter.GetBytes(Unknown).CopyTo(buffer, 32);
BitConverter.GetBytes(ParametersSize).CopyTo(buffer, 36);
stream.Write(buffer, 0, HeaderSize);
}
public static Header ReadFrom(Stream stream)
{
var buffer = new byte[HeaderSize];
stream.Read(buffer, 0, HeaderSize);
return new Header
{
Signature = Encoding.ASCII.GetString(buffer, 0, 7),
Unknown = BitConverter.ToUInt32(buffer, 32),
ParametersSize = BitConverter.ToUInt32(buffer, 36)
};
}
}
}