public static TBG FromFile(string filename)
{
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read))
using (BinaryReader file = new BinaryReader(fs))
{
byte[] magic = file.ReadBytes(4);
if (Encoding.ASCII.GetString(magic) != "tbg\0")
{
throw new InvalidDataException("Invalid magic number!");
}
uint dataOffset = file.ReadUInt32();
int dataLength = file.ReadInt32();
int width = file.ReadInt32();
int height = file.ReadInt32();
byte[] flags = file.ReadBytes(4);
int imageCount = file.ReadInt32();
long unknown = file.ReadInt64();
float resX = file.ReadSingle();
float resY = file.ReadSingle();
var format = TBGPixelFormats.FromBinaryRepresentation(flags[3]);
file.BaseStream.Position = dataOffset;
byte[] data = file.ReadBytes(dataLength);
var tbg = new TBG(new Size(width, height), format, data)
{
ResX = resX,
ResY = resY
};
return(tbg);
}
}
public static TBG FromBuffer(byte[] fileData)
{
if (Encoding.ASCII.GetString(fileData, 0, 4) != "tbg\0")
{
throw new InvalidDataException("Invalid magic number!");
}
uint dataOffset = BitConverter.ToUInt32(fileData, 0x04);
int dataLength = BitConverter.ToInt32(fileData, 0x08);
int width = BitConverter.ToInt32(fileData, 0x0C);
int height = BitConverter.ToInt32(fileData, 0x10);
byte colorByte = fileData[0x14 + 3];
float resX = BitConverter.ToSingle(fileData, 0x24);
float resY = BitConverter.ToSingle(fileData, 0x28);
var format = TBGPixelFormats.FromBinaryRepresentation(colorByte);
var data = new byte[dataLength];
Array.Copy(fileData, dataOffset, data, 0, dataLength);
var tbg = new TBG(new Size(width, height), format, data)
{
ResX = resX,
ResY = resY
};
return(tbg);
}
public TBG(Size size, TBGPixelFormat format)
{
this.Size = size;
this.PixelFormat = format;
int pixelSize = TBGPixelFormats.GetSize(format);
this._data = new byte[size.Width * size.Height * pixelSize];
}
/// <summary>
/// Writes the TBG file to a stream using the provided BinaryWriter.
/// See https://github.com/Anonym271/7scarlet-tools/wiki/TBG-Images-%28%2A.tbg%29 for details.
/// </summary>
public void Save(BinaryWriter file)
{
var startPos = file.BaseStream.Position;
file.Write(Encoding.ASCII.GetBytes("tbg\0"));
file.Write(HEADER_SIZE);
file.Write(_data.Length);
file.Write(Size.Width);
file.Write(Size.Height);
file.Write(new byte[] { 0x00, 0x10, 0x00 });
file.Write(TBGPixelFormats.GetBinaryRepresentation(PixelFormat));
file.Write(1);
file.Write((long)0);
file.Write(ResX);
file.Write(ResY);
file.BaseStream.Position = startPos + HEADER_SIZE;
file.Write(_data);
}
public static TBG FromBitmap(Bitmap bmp)
{
var tbgFormat = TBGPixelFormat.BGRA;
var bmpFormat = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
if (bmp.PixelFormat == System.Drawing.Imaging.PixelFormat.Format24bppRgb)
{
tbgFormat = TBGPixelFormat.BGR;
bmpFormat = System.Drawing.Imaging.PixelFormat.Format32bppRgb;
}
int pixelSize = TBGPixelFormats.GetSize(tbgFormat);
var data = new byte[bmp.Width * bmp.Height * pixelSize];
var bmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, bmpFormat);
Marshal.Copy(bmpData.Scan0, data, 0, data.Length);
bmp.UnlockBits(bmpData);
return(new TBG(bmp.Size, tbgFormat, data));
}
