public static Fitmap LoadFromFile(string fileName)
{
Fitmap f = new Fitmap();
FileStream fStream = new FileStream(fileName, FileMode.Open);
byte[] headerSize = new byte[2];
fStream.Read(headerSize, 0, 2);
f.headerSize = BitConverter.ToUInt16(headerSize, 0);
if (f.headerSize == versionZeroHeaderSize)
{
f.ReadHeaderV0(fStream);
f.fitmapVersion = 0;
f.compressionType = 0;
}
else
{
f.ReadHeaderInfo(fStream);
f.ReadHeaderBasedOnVersion(fStream);
}
int cLength = f.width * f.height;
int sampledLength = f.GetSampledRowLength() * f.height;
f.cBytes = new byte[cLength];
f.mBytes = new byte[sampledLength];
f.yBytes = new byte[sampledLength];
FitmapCompression.Read(f.compressionType, f.cBytes, f.mBytes, f.yBytes, fStream);
fStream.Close();
return(f);
}
public void SaveToFile(string fileName)
{
if (File.Exists(fileName))
{
File.Delete(fileName);
}
FileStream fStream = new FileStream(fileName, FileMode.OpenOrCreate);
/*byte[] header = new byte[headerSize];
* byte[] tmp = BitConverter.GetBytes(headerSize);*/
fStream.Write(BitConverter.GetBytes(headerSize), 0, 2);
fStream.Write(BitConverter.GetBytes(fullSize), 0, 2);
fStream.Write(BitConverter.GetBytes(fitmapVersion), 0, 1);
fStream.Write(BitConverter.GetBytes(compressionType), 0, 1);
fStream.Write(BitConverter.GetBytes(width), 0, 2);
fStream.Write(BitConverter.GetBytes(height), 0, 2);
FitmapCompression.Write(compressionType, cBytes, mBytes, yBytes, fStream);
fStream.Close();
}
