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 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);
}
}
