private static int FPDF_SaveBlock(IntPtr fileWrite, IntPtr data, uint size)
{
var write = new FPDF_FILEWRITE();
Marshal.PtrToStructure(fileWrite, write);
var stream = StreamManager.Get((int)write.stream);
if (stream is null)
{
return(0);
}
byte[] buffer = new byte[size];
Marshal.Copy(data, buffer, 0, (int)size);
try
{
stream.Write(buffer, 0, (int)size);
return((int)size);
}
catch
{
return(0);
}
}
private static int FPDF_GetBlock(IntPtr param, uint position, IntPtr buffer, uint size)
{
var stream = StreamManager.Get((int)param);
if (stream is null)
{
return(0);
}
byte[] managedBuffer = new byte[size];
stream.Position = position;
int read = stream.Read(managedBuffer, 0, (int)size);
if (read != size)
{
return(0);
}
Marshal.Copy(managedBuffer, 0, buffer, (int)size);
return(1);
}