ryujinx/Ryujinx.HLE/Utilities/FontUtils.cs
Cristallix 4738113f29
Suppress warnings from fields never used or never assigned (CS0169 and CS0649) (#919)
* chore : disable unwanted warnings and minor code cleanup

* chore : remove more warnings

* fix : reorder struct correctly

* fix : restore _isKernel and remove useless comment

* fix : copy/paste error

* fix : restore CallMethod call

* fix : whitespace

* chore : clean using

* feat : remove warnings

* fix : simplify warning removal on struct

* fix : revert fields deletion and code clean up

* fix : re-add RE value

* fix : typo
2020-04-21 07:59:59 +10:00

38 lines
1.1 KiB
C#

using System.IO;
namespace Ryujinx.HLE.Utilities
{
public static class FontUtils
{
private static readonly uint FontKey = 0x06186249;
public static byte[] DecryptFont(Stream bfttfStream)
{
uint KXor(uint In) => In ^ FontKey;
using (BinaryReader reader = new BinaryReader(bfttfStream))
{
using (MemoryStream ttfStream = new MemoryStream())
{
using (BinaryWriter output = new BinaryWriter(ttfStream))
{
if (KXor(reader.ReadUInt32()) != 0x18029a7f)
{
throw new InvalidDataException("Error: Input file is not in BFTTF format!");
}
bfttfStream.Position += 4;
for (int i = 0; i < (bfttfStream.Length - 8) / 4; i++)
{
output.Write(KXor(reader.ReadUInt32()));
}
return ttfStream.ToArray();
}
}
}
}
}
}