/// <summary>
/// Method to render the layer
/// </summary>
/// <param name="g">The graphics object</param>
/// <param name="map">The map</param>
public override void Render(Graphics g, Map map)
{
if (!Enabled)
{
DisplayPictureBoxes(false);
return;
}
var env = this.ToSource(map.Envelope);
_provider.Open();
var points = _provider.GetObjectIDsInView(env);
var validBoxes = new HashSet <uint>();
Monitor.Enter(_renderLock);
if (points != null && points.Count > 0)
{
_mapBox.Invoke(new MethodInvoker(() => _mapBox.SuspendLayout()));
var gif = (Bitmap)_animatedGif.Clone();
var gifSize = gif.Size;
gif.SelectActiveFrame(FrameDimension.Page, 0);
foreach (var oid in points)
{
if (!_pictureBoxes.ContainsKey(oid))
{
//var pic = new PictureBox {Image = _animatedGif, AutoSize = true, Name = string.Format("smpic{0}", oid)};
//new MethodInvoker(() =>_mapBox.Controls.Add(pic)).Invoke();
var oid1 = oid;
var ctname = string.Format("smpic{0}", oid1);
_mapBox.Invoke(
new MethodInvoker(delegate
{
var pic = new TransparentPicBox
{
Image = (Image)_animatedGif.Clone(),
AutoSize = true,
Name = ctname
, Size = _animatedGif.Size
, BackColor = Color.Transparent
};
//((Bitmap)pic).MakeTransparent(Color.Black);
_mapBox.Controls.Add(pic);
}));
//Thread.Sleep(5);
_pictureBoxes.Add(oid, (PictureBox)_mapBox.Controls[ctname]);
}
var point = this.ToTarget(_provider.GetGeometryByID(oid), map.Factory).Coordinate;
var np = Point.Subtract(Point.Truncate(map.WorldToImage(point)), gifSize);
// Draw on the map
g.DrawImageUnscaled(gif, new Rectangle(np, gifSize));
var picbox = _pictureBoxes[oid];
_mapBox.Invoke(new MethodInvoker(delegate
{
picbox.Location = np;
picbox.Visible = true;
}
));
validBoxes.Add(oid);
}
}
// Close the connection
_provider.Close();
// Disable pictureboxes that are not in viewport
foreach (var picbox in _pictureBoxes)
{
if (!validBoxes.Contains(picbox.Key))
{
var p = picbox.Value;
_mapBox.Invoke(new MethodInvoker(() => p.Visible = false));
}
}
_mapBox.Invoke(new MethodInvoker(() => _mapBox.ResumeLayout()));
Monitor.Exit(_renderLock);
base.Render(g, map);
}
/// <summary>
/// Method to render the layer
/// </summary>
/// <param name="g">The graphics object</param>
/// <param name="map">The map</param>
public override void Render(Graphics g, Map map)
{
if (!Enabled)
{
DisplayPictureBoxes(false);
return;
}
var env = this.ToSource(map.Envelope);
_provider.Open();
var points = _provider.GetObjectIDsInView(env);
var validBoxes = new HashSet<uint>();
Monitor.Enter(_renderLock);
if (points != null && points.Count > 0)
{
_mapBox.Invoke(new MethodInvoker(() => _mapBox.SuspendLayout()));
var gif = (Bitmap)_animatedGif.Clone();
var gifSize = gif.Size;
gif.SelectActiveFrame(FrameDimension.Page, 0);
foreach (var oid in points)
{
if (!_pictureBoxes.ContainsKey(oid))
{
//var pic = new PictureBox {Image = _animatedGif, AutoSize = true, Name = string.Format("smpic{0}", oid)};
//new MethodInvoker(() =>_mapBox.Controls.Add(pic)).Invoke();
var oid1 = oid;
var ctname = string.Format("smpic{0}", oid1);
_mapBox.Invoke(
new MethodInvoker(delegate
{
var pic = new TransparentPicBox
{
Image = (Image) _animatedGif.Clone(),
AutoSize = true,
Name = ctname
, Size = _animatedGif.Size
, BackColor = Color.Transparent
};
//((Bitmap)pic).MakeTransparent(Color.Black);
_mapBox.Controls.Add(pic);
}));
//Thread.Sleep(5);
_pictureBoxes.Add(oid, (PictureBox) _mapBox.Controls[ctname]);
}
var point = this.ToTarget(_provider.GetGeometryByID(oid), map.Factory).Coordinate;
var np = Point.Subtract(Point.Truncate(map.WorldToImage(point)), gifSize);
// Draw on the map
g.DrawImageUnscaled(gif, new Rectangle(np, gifSize));
var picbox = _pictureBoxes[oid];
_mapBox.Invoke(new MethodInvoker(delegate
{
picbox.Location = np;
picbox.Visible = true;
}
));
validBoxes.Add(oid);
}
}
// Close the connection
_provider.Close();
// Disable pictureboxes that are not in viewport
foreach (var picbox in _pictureBoxes)
{
if (!validBoxes.Contains(picbox.Key))
{
var p = picbox.Value;
_mapBox.Invoke(new MethodInvoker(() => p.Visible = false));
}
}
_mapBox.Invoke(new MethodInvoker(() => _mapBox.ResumeLayout()));
Monitor.Exit(_renderLock);
base.Render(g, map);
}
