private void Image_MouseUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (!is_mouse_in)
{
return;
}
Point mouse_position = e.GetPosition(image);
mouse_position.X /= image.ActualWidth;
mouse_position.Y /= image.ActualHeight;
selected_x = mouse_position.X * image_width;
selected_y = mouse_position.Y * image_height;
//LogPanel.Log(mouse_position.ToString());
try
{
if (points == null)
{
LogPanel.Log("no points selected.");
}
ImagePoint nearest_point = points[0];
foreach (var p in points)
{
if (Math.Pow(p.x - selected_x, 2) + Math.Pow(p.y - selected_y, 2) < Math.Pow(nearest_point.x - selected_x, 2) + Math.Pow(nearest_point.y - selected_y, 2))
{
nearest_point = p;
}
}
selected_x = nearest_point.x;
selected_y = nearest_point.y;
LogPanel.Log($"selected: x = {nearest_point.x}, y = {nearest_point.y}, importance = {nearest_point.importance}.");
PointSelected?.Invoke(nearest_point);
}
finally { DrawDashLines(); }
}
private void View_MouseDown(object sender, MouseButtonEventArgs e)
{
ColumnView view = (ColumnView)sender;
int idx = Grid.GetColumn(view);
var position = e.GetPosition(ColumnsGrid);
PointSelected?.Invoke(this, new PointSelectedEventArgs(idx, position.Y));
}
private void ColumnHoldTimer_Elapsed(object sender, ElapsedEventArgs e)
{
Dispatcher.BeginInvoke((Action)(() =>
{
int idx = Grid.GetColumn(touchedView);
PointSelected?.Invoke(this, new PointSelectedEventArgs(idx, touchPoint.Y));
}));
if (columnHoldTimer != null)
{
columnHoldTimer.Elapsed -= ColumnHoldTimer_Elapsed;
columnHoldTimer.Stop();
columnHoldTimer = null;
}
}
/// <summary>
/// Invokes the point selected event for the currently selected pixel
/// </summary>
private void InvokePointSelected()
{
var selection = -1;
_selection.TryGetValue(CurrentSliceType, out selection);
switch (CurrentSliceType)
{
case SliceType.Transversal:
OnPointSelected.Invoke(_lastClickX, _lastClickY, selection);
break;
case SliceType.Sagittal:
OnPointSelected.Invoke(selection, _lastClickX, _lastClickY);
break;
case SliceType.Frontal:
OnPointSelected.Invoke(_lastClickX, selection, _lastClickY);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void HoldTimer_Elapsed(object sender, ElapsedEventArgs e)
{
Dispatcher.BeginInvoke((Action)(() =>
{
int idx = Grid.GetColumn(touchedView);
PointSelected?.Invoke(this, new PointSelectedEventArgs(idx, touchPoint.Y));
}));
if (holdTimer != null)
{
//System.Diagnostics.Debug.WriteLine("touch-hold timer diactivated as it ticked");
holdTimer.Elapsed -= HoldTimer_Elapsed;
holdTimer.Stop();
holdTimer = null;
}
}
protected virtual void RaisePointSelectedEvent(PointSelectedEventArgs eventArgs)
{
PointSelected?.Invoke(this, eventArgs);
}