/// <summary>
/// 创建MATLAB文件头
/// </summary>
/// <param name="description">文件描述</param>
/// <returns>返回BYTE[]</returns>
public static byte[] CreateFileHeader(string description)
{
try
{
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
description = "MATLAB 5.0 " + description; //一定要加上MATLAB 5.0才能被再次读出来
if (CommonMethod.Is64BitVersion())
{
retptr = MATCreateFileHeader64(description, ref datasize);
}
else
{
retptr = MATCreateFileHeader32(description, ref datasize);
}
if (retptr == IntPtr.Zero)
{
ErrorString = FileFormat.GetDLLErrorMessage();
return(null);
}
return(CommonMethod.CopyByteFromIntptrAndFree(ref retptr, datasize));
}
catch (Exception ex)
{
ErrorString = ex.Message;
return(null);
}
}
/// <summary>
/// 读取二进制的LOG数据
/// </summary>
public static byte[] GetLogBinary(byte[] fileData, int fileSize)
{
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
if (CommonMethod.Is64BitVersion())
{
retptr = SPCGetLogBinary64(fileData, fileSize, ref datasize);
}
else
{
retptr = SPCGetLogBinary32(fileData, fileSize, ref datasize);
}
return(CommonMethod.CopyByteFromIntptrAndFree(ref retptr, datasize));
}
/// <summary>
/// 读取文本的LOG数据
/// </summary>
public static string GetLogText(byte[] fileData, int fileSize)
{
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
if (CommonMethod.Is64BitVersion())
{
retptr = SPCGetLogText64(fileData, fileSize, ref datasize);
}
else
{
retptr = SPCGetLogText32(fileData, fileSize, ref datasize);
}
byte[] tempdatas = CommonMethod.CopyByteFromIntptrAndFree(ref retptr, datasize);
if (tempdatas == null)
{
return(null);
}
return(Encoding.ASCII.GetString(tempdatas)); //这里假定都是ASCII格式字符串
}
/// <summary>
/// 创建double类型的数据块（不压缩格式）
/// </summary>
/// <param name="fileData">数据</param>
/// <param name="dataRows">数据行数</param>
/// <param name="entryName">数据块名称</param>
/// <returns>Matlab数据块</returns>
public static byte[] CreateDoubleEntry(double[] fileData, int dataRows, string entryName = ACloudSpectrumDataName)
{
if (fileData == null || fileData.Length < 0 || (fileData.Length % dataRows) != 0 || string.IsNullOrWhiteSpace(entryName))
{
ErrorString = "Invalid parameters";
return(null);
}
try
{
int dataCols = fileData.Length / dataRows;
IntPtr retptr = IntPtr.Zero;
int datasize = 0;
if (CommonMethod.Is64BitVersion())
{
retptr = MATCreateDoubleEntry64(fileData, fileData.Length, entryName, dataRows, dataCols, ref datasize);
}
else
{
retptr = MATCreateDoubleEntry32(fileData, fileData.Length, entryName, dataRows, dataCols, ref datasize);
}
if (retptr == IntPtr.Zero)
{
ErrorString = FileFormat.GetDLLErrorMessage();
return(null);
}
return(CommonMethod.CopyByteFromIntptrAndFree(ref retptr, datasize));
}
catch (Exception ex)
{
ErrorString = ex.Message;
return(null);
}
}
