private void imageTfBackground_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 2) // double click
{
var x = e.GetPosition(canvasTf).X;
var value = x * (Builder.MaxValue - Builder.MinValue) / canvasTf.ActualWidth + Builder.MinValue;
var item = new TransferFunction1DItem(value, CreateTransferFunction().GetColor(value));
Builder.Items.Add(item);
Builder.CurrentItem = item;
}
}
private void Update(TransferFunction1DItem tfItem)
{
double x;
x = (tfItem.Value - Builder.MinValue) / (Builder.MaxValue - Builder.MinValue) * canvasTf.ActualWidth;
var rectangle = (Rectangle)tfItem.Tag;
Canvas.SetLeft(rectangle, x);
if (tfItem == Builder.CurrentItem)
{
rectangle.StrokeThickness = 2;
rectangle.Stroke = brushStrokeSelected;
}
else
{
rectangle.StrokeThickness = 1;
rectangle.Stroke = brushStroke;
}
rectangle.Fill = new SolidColorBrush(tfItem.Color);
}
private void ButtonItemAdd_Click(object sender, RoutedEventArgs e)
{
double value = 0;
if (Builder.Items.Count > 0)
{
value = Builder.Items[Builder.Items.Count - 1].Value + 100;
}
var item = new TransferFunction1DItem(value);
Builder.Items.Add(item);
Builder.CurrentItem = item;
}