/// <summary>
/// Cheak if all feald set
/// </summary>
/// <param name="file"> input file</param>
/// <returns>
/// If not set FileConvert.RezultCode == -1
/// If good FileConvert.RezultCode == 0
/// </returns>
private FileConvert CheakFile(FileConvert file)
{
if (file == null)
{
file = new FileConvert();
file.RezultCode = -1;
file.RezultMsg = "Empty";
return(file);
}
if (file.File == null && file.File.Length == 0)
{
file = new FileConvert();
file.RezultCode = -1;
file.RezultMsg = "Cant convert empty file";
return(file);
}
if (!CheakFileFormat(file))
{
file = new FileConvert();
file.RezultCode = -1;
file.RezultMsg = "Not support file format";
return(file);
}
file.RezultCode = 0;
return(file);
}
/// <summary>
/// Convert file
/// </summary>
/// <param name="file">Input file with param required: File,FileInForma,FileOutFormat</param>
/// <returns>
/// If Error file.RezultCode == -1
/// If Sucsses file.RezultCode == 0
/// FileInForma and FileOutFormat change places
/// </returns>
public FileConvert ConvertFile(FileConvert file)
{
//cheak if all set
file = CheakFile(file);
if (file.RezultCode != 0)
{
return(file);
}
// conver file
try
{
using (MemoryStream ms = new MemoryStream(file.File))
{
using (var img = Aspose.Imaging.Image.Load(ms))
{
var file_out_format_option = GetOutPutFormatOption(file.FileOut_extension);
//to be honest then this check is unnecessary
if (file_out_format_option != null)
{
img.Save(ms, file_out_format_option);
}
else
{
file.RezultCode = -1;
file.RezultMsg = "Error: cant convert";
return(file);
}
}
}
var in_file_format = file.FileIn_extension;
file.FileIn_extension = file.FileOut_extension;
file.FileOut_extension = in_file_format;
}
catch (Exception ex)
{
file.RezultCode = -1;
file.RezultMsg = "Error: ops :-(";
return(file);
}
return(file);
}
/// <summary>
/// Cheak if can conver file
/// Rezult: true if can
/// </summary>
private bool CheakFileFormat(FileConvert file)
{
//cheak if set in and out file format
if (file.FileIn_extension == string.Empty || file.FileOut_extension == string.Empty)
{
return(false);
}
//if nead load suport format
if (suportFormat.Count == 0)
{
GetTypesInNamespace();
}
//cheak if can convert
if (suportFormat.ContainsKey(file.FileIn_extension) && suportFormat.ContainsKey(file.FileOut_extension))
{
return(true);
}
else
{
return(false);
}
}
