/// <summary>
/// Draw the button graph
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void PictureBoxPaint(object sender, PaintEventArgs e)
{
const int padding = 30;
int p, x, y;
bool val;
var par = Parameters;
var w = pictureBox.Width - 2 * padding;
var h = pictureBox.Height - 2 * padding;
int max;
int y1 = !(par.invert & !par.Trigger) ? padding + h : padding;
int y2 = (par.invert & !par.Trigger) ? padding + h : padding;
GraphicsPath graphPath = new GraphicsPath();
List <Point> points = new List <Point>();
if (par.notch)
{
max = par.thresh2 + par.thresh1;
int t1 = (int)(par.thresh1 / (double)max * w);
int t2 = (int)(par.thresh2 / (double)max * w);
points.Add(new Point(padding, y1)); // left start point
points.Add(new Point(padding + t1, y1)); // left horizontal
points.Add(new Point(padding + t1, y2)); // left vertical
points.Add(new Point(padding + t2, y2)); // middle horizontal
points.Add(new Point(padding + t2, y1)); // right vertical
points.Add(new Point(padding + w, y1)); // right horizontal
}
else
{
max = 2 * par.thresh1;
points.Add(new Point(padding, y1)); // left start point
points.Add(new Point(padding + w / 2, y1)); // left horizontal
points.Add(new Point(padding + w / 2, y2)); // middle vertical
points.Add(new Point(padding + w, y2)); // right horizontal
}
graphPath.AddLines(points.ToArray());
e.Graphics.DrawPath(linePen, graphPath);
p = Math.Min(max, Math.Max(0, buttonMapping.Input)); // clamp
val = par.Transform(p);
if (par.Trigger)
{
val = par.invert ^ trigger.Trigger(val, par.TriggerEdge, par.TriggerDuration);
}
x = padding + (int)(p / (double)max * w);
y = !val ? padding + h: padding;
e.Graphics.DrawLine(inputPen, x, h + padding, x, y);
e.Graphics.DrawLine(outputPen, padding, y, x, y);
e.Graphics.DrawString(buttonMapping.Input.ToString(), DefaultFont, Brushes.Green, x, h + padding);
e.Graphics.DrawString(val ? "On" : "Off", DefaultFont, Brushes.Red, 0, y);
}
protected override float Transform(int val)
{
var p = Parameters;
bool state = p.Transform(val);;
if (p.Trigger)
{
state = trigger.Trigger(state, p.TriggerEdge, p.TriggerDuration) ^ p.invert;
}
return(state ? 1f : 0f);
}
