private System.Drawing.Rectangle GetRectangle(PointHolder start, PointHolder end)
{
return(new System.Drawing.Rectangle((int)Math.Min(start.X, end.X),
(int)Math.Min(start.Y, end.Y),
(int)Math.Abs(start.X - end.X),
(int)Math.Abs(start.Y - end.Y)));
}
private void DisplayImage_MouseDown(object sender, MouseButtonEventArgs e)
{
if (!IsSelectingPoint)
{
foreach (var parkingArea in ParkingAreasCollection)
{
if (GetRectangle(parkingArea.StartingPoint, parkingArea.EndingPoint).Contains((int)e.GetPosition(DisplayImage).X,
(int)e.GetPosition(DisplayImage).Y))
{
HighlightParkingArea(parkingArea);
SelectedParkingArea = parkingArea;
return;
}
}
return;
}
if (PointSelected)
{
ParkingAreasCollection.Add(
new ParkingArea(
SelectedPointStart,
new PointHolder(
e.GetPosition(DisplayImage).X,
e.GetPosition(DisplayImage).Y)));
IsSelectingPoint = false;
DrawAreaOnBitmap(ParkingAreasCollection.Last());
}
else
{
PointSelected = true;
SelectedPointStart = new PointHolder();
SelectedPointStart.X = e.GetPosition(DisplayImage).X;
SelectedPointStart.Y = e.GetPosition(DisplayImage).Y;
}
}
public ParkingArea(PointHolder p1, PointHolder p2)
{
StartingPoint = p1;
EndingPoint = p2;
}
private void Button_Click_2(object sender, RoutedEventArgs e)
{
SelectedPointStart = new PointHolder();
PointSelected = false;
IsSelectingPoint = true;
}