public static bool SaveTemplateArchive(FingerprintTemplateCollection templates, string filePath)
{
try
{
using (var memoryStream = new MemoryStream())
{
using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
{
foreach (var template in templates)
{
var demoFile = archive.CreateEntry(template.Identifier + ".fpt");
using (var templateStream = demoFile.Open())
{
template.Template.Serialize(templateStream);
}
}
}
using (var fileStream = File.Open(filePath, FileMode.Create, FileAccess.Write))
{
memoryStream.Seek(0, SeekOrigin.Begin);
memoryStream.CopyTo(fileStream);
}
}
return(true);
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace);
return(false);
}
}
public static FingerprintTemplateCollection GetTemplates(String filePath)
{
if (!File.Exists(filePath))
{
return(new FingerprintTemplateCollection());
}
var templates = new FingerprintTemplateCollection();
try
{
string extractPath = System.IO.Path.GetTempPath() + "cnd-biometric";
System.IO.Directory.CreateDirectory(extractPath);
using (ZipArchive archive = ZipFile.OpenRead(filePath))
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
var identifier = Path.GetFileNameWithoutExtension(entry.FullName);
var tempPath = Path.Combine(extractPath, entry.FullName);
entry.ExtractToFile(tempPath, true);
using (FileStream fs = File.OpenRead(tempPath))
{
templates.Add(new FingerprintTemplate(identifier, new Template(fs)));
}
}
}
return(templates);
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace);
return(null);
}
}
public EnrollmentEventArgs(FingerprintTemplateCollection templates)
{
_templates = templates;
}