private void addImagesFromFiles_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
ISession session = ImageDatabase.GetCurrentSession();
ITransaction tx = session.BeginTransaction();
foreach (String file in openFileDialog1.FileNames)
{
try
{
FileInfo fi = new FileInfo(file);
if (fi.Exists)
{
using (Image <Bgr, Byte> image = new Image <Bgr, byte>(file))
{
PersistentImage pImage = new PersistentImage(image.Width, image.Height);
CvInvoke.cvCopy(image, pImage, IntPtr.Zero);
pImage.DateCreated = fi.CreationTime;
session.Save(pImage);
}
}
}
catch
{
}
}
tx.Commit();
session.Close();
}
RefreshGrid();
}
public IList <PersistentImage> GetImages()
{
IList <PersistentImage> images;
ISession session = ImageDatabase.GetCurrentSession();
images = session.CreateCriteria(typeof(PersistentImage)).List <PersistentImage>();
session.Close();
return(images);
}
private void ClearDatabase()
{
ISession session = ImageDatabase.GetCurrentSession();
ITransaction tx = session.BeginTransaction();
session.CreateSQLQuery("delete from Images").ExecuteUpdate();
tx.Commit();
session.Close();
}
private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == dataGridView1.Columns["viewColumn"].Index)
{
int imageID = (int)dataGridView1.Rows[e.RowIndex].Cells["idColumn"].Value;
ISession session = ImageDatabase.GetCurrentSession();
Image <Bgr, Byte> image = session.Load <PersistentImage>(imageID);
session.Close();
using (ImageViewer viewer = new ImageViewer())
{
viewer.Image = image;
viewer.ShowDialog();
}
}
}
public void AddImagesToDatabase(int count)
{
ISession session = ImageDatabase.GetCurrentSession();
ITransaction tx = session.BeginTransaction();
long tick = DateTime.Now.Ticks;
for (int i = 0; i < count; i++, tick++)
{
PersistentImage image = new PersistentImage(400, 200);
image.SetRandUniform(new MCvScalar(), new MCvScalar(50, 50, 50));
image.Draw(tick.ToString(), new Point(10, 100), FontFace.HersheySimplex, 1.0, new Bgr(Color.White));
image.SerializationCompressionRatio = 9;
session.Save(image);
}
tx.Commit();
session.Close();
}
public void AddImagesToDatabase(int count)
{
ISession session = ImageDatabase.GetCurrentSession();
ITransaction tx = session.BeginTransaction();
MCvFont f = new MCvFont(Emgu.CV.CvEnum.FONT.CV_FONT_HERSHEY_SIMPLEX, 1.0, 1.0);
long tick = DateTime.Now.Ticks;
for (int i = 0; i < count; i++, tick++)
{
PersistentImage image = new PersistentImage(400, 200);
image.SetRandUniform(new MCvScalar(), new MCvScalar(50, 50, 50));
image.Draw(tick.ToString(), ref f, new Point(10, 100), new Bgr(Color.White));
image.SerializationCompressionRatio = 9;
session.Save(image);
}
tx.Commit();
session.Close();
}
