private void Form1_Load(object sender, EventArgs e)
{
using (BleDBContext db = new BleDBContext())
{
map = db.Maps.First();
foreach (BleNode node in db.BleNodes)
{
nodes.Add(node);
}
foreach (BleBeacon beacon in db.BleBeacons)
{
beacons.Add(beacon);
beaconsComboBox.Items.Add(beacon);
}
}
if (map != null)
{
Bitmap bitmap = drawBaseImage();
//pictureBox1.Size = new Size(width+50, height+50);
pictureBox1.Image = bitmap;
}
}
private Bitmap drawBaseImage()
{
using (BleDBContext db = new BleDBContext())
{
map = db.Maps.First();
nodes.Clear();
foreach (BleNode node in db.BleNodes)
{
nodes.Add(node);
}
distances.Clear();
foreach (BleDistance distance in db.Distances)
{
distances.Add(distance);
}
}
if (map != null)
{
int width = (int)(map.Width * metersToPixels);
int height = (int)(map.Height * metersToPixels);
Bitmap bitmap = new Bitmap(width + extraBorder * 2, height + extraBorder * 2);
Graphics g = Graphics.FromImage(bitmap);
Rectangle rect = new Rectangle(extraBorder - 1, extraBorder - 1, width, height);
g.DrawRectangle(Pens.Black, rect);
g.FillRectangle(Brushes.White, rect);
if (nodes != null)
{
foreach (BleNode node in nodes)
{
drawCircle(g, Pens.Red, Brushes.Red, (float)coordinateWithOffset(node.X), (float)coordinateWithOffset(node.Y), 3);
if (beaconsComboBox.SelectedItem != null && beaconsComboBox.SelectedItem is BleBeacon)
{
//string name = (string) beaconsComboBox.SelectedItem;
//beacons.FindLast(b => b.Name == name);
BleBeacon beacon = (BleBeacon)beaconsComboBox.SelectedItem;
List <BleDistance> matches = distances.Where(d => d.BleBeaconsId == beacon.BleBeaconsId && d.BleNodesId == node.BleNodesId).ToList();
if (matches != null && matches.Count == 1)
{
drawCircle(g, Pens.Blue, Brushes.Transparent, (float)coordinateWithOffset(node.X), (float)coordinateWithOffset(node.Y), (float)coordinateWithOffset(matches[0].Distance));
}
}
//g.DrawEllipse(Pens.Red, (float)((node.X * 100 + 24) - 3), (float)((node.Y * 100 + 24) - 3), 3 + 3, 3 + 3);
//g.FillEllipse(Brushes.Red, (float)((node.X * 100 + 24) - 3), (float)((node.Y * 100 + 24) - 3), 3 + 3, 3 + 3);
}
}
return(bitmap);
}
return(null);
}
private void timer1_Tick(object sender, EventArgs e)
{
using (BleDBContext db = new BleDBContext())
{
Bitmap bitmap = drawBaseImage();
Graphics g = Graphics.FromImage(bitmap);
foreach (BleBeacon beacon in db.BleBeacons)
{
List <BleLastLocation> locations = db.LastLocations.Where(l => l.BleBeaconsId == beacon.BleBeaconsId).ToList();
BleLastLocation location = locations.OrderByDescending(l => l.Date).FirstOrDefault();
if (location != null)
{
drawCircle(g, Pens.Black, Brushes.Black, (float)coordinateWithOffset(location.X), (float)coordinateWithOffset(location.Y), 3);
//g.DrawEllipse(Pens.Black, (float)((location.X * 100 + 24) - 3), (float)((location.Y * 100 + 24) - 3), 3 + 3, 3 + 3);
//g.FillEllipse(Brushes.Black, (float)((location.X * 100 + 24) - 3), (float)((location.Y * 100 + 24) - 3), 3 + 3, 3 + 3);
g.DrawString(beacon.Name, DefaultFont, Brushes.Black, (float)(location.X * metersToPixels + (extraBorder + 9)), (float)(location.Y * metersToPixels + (extraBorder - 11)));
}
}
pictureBox1.Image = bitmap;
}
}
