/// <summary>
/// Render the Value onto the control at post-render indicator time
/// </summary>
/// <param name="sender">KnobControl</param>
/// <param name="e">PostRenderEventArgs</param>
private void PostRenderKnobIndicator1(object sender, PostRenderEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
// Draw the knob Value (with an offset shadow)
// on top of the KnobIndicator
using (Font font = new Font("Arial", 30, FontStyle.Regular))
{
using (StringFormat strFormat = new StringFormat(StringFormatFlags.NoClip))
{
strFormat.Alignment = StringAlignment.Center;
string s = kc.Value.ToString();
if (s.EndsWith(".0"))
{
s = s.Substring(0, s.Length - 2);
}
RectangleF r = GetTextRect(e.Bounds, font);
r.Offset(2, 2);
e.Graphics.DrawString(s, font, Brushes.Black, r, strFormat);
r.Offset(-2, -2);
e.Graphics.DrawString(s, font, Brushes.White, r, strFormat);
}
}
}
}
public void ActivateIn(IEditorContainer newWindow)
{
container = newWindow;
var knob = new KnobControl();
knob.Location = new Point(0, 0);
this.Controls.Add(knob);
Adorn(knob);
Adorn <Connector>(knob).Add("knobOut", new Point(12, 12), Color.SkyBlue);
var oscillo = new Oscilloscope();
oscillo.Location = new Point(400, 400);
this.Controls.Add(oscillo);
Adorn(oscillo);
Adorn <Connector>(oscillo).Add("oscilloIn", new Point(12, 12), Color.Pink);
var t = new TestGraph();
t.Location = new Point(200, 200);
this.Controls.Add(t);
Adorn(t);
}
/// <summary>
/// UpdateLabel
/// </summary>
/// <param name="sender"></param>
/// <param name="label"></param>
private void UpdateLabel(object sender, Label label)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
label.Text = kc.Value.ToString();
}
}
/// <summary>
/// Renders a hilight focus rect
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RenderFocusRect(object sender, RenderFocusRectEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
Color c = Color.FromArgb(80, Color.Yellow);
using (LinearGradientBrush lbr = new LinearGradientBrush(e.Bounds, Color.White, c, 45f))
e.Graphics.FillEllipse(lbr, e.Bounds);
}
}
/// <summary>
/// Render a plum colored circle at pre-render tick label time
/// </summary>
/// <param name="sender">KnobControl</param>
/// <param name="e">PreRenderEventArgs</param>
private void PreRenderTickLabel(object sender, PreRenderEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
// Locate where the current "value label" is located,
// and then render our circle accordingly
Point pt = GetLabelPoint(kc, e);
e.Graphics.FillEllipse(Brushes.Plum,
new Rectangle(pt.X, pt.Y, 20, 20));
}
}
/// <summary>
/// Returns tick label point
/// </summary>
/// <returns>Upper left tick label rect of the control</returns>
private Point GetLabelPoint(KnobControl kc, PreRenderEventArgs e)
{
decimal count = kc.MaxValue - kc.MinValue;
double rad = GetRadians(
(float)((kc.SweepAngle * kc.Value) / count + kc.StartAngle));
int x = e.Bounds.X + e.Bounds.Width / 2;
int dx = e.Bounds.Width / 2;
Point pt = new Point();
pt.X = (int)(Math.Cos(rad) * dx + x - 10);
pt.Y = (int)(Math.Sin(rad) * dx + x - 10);
return(pt);
}
/// <summary>
/// Render the control Value at post-render indicator time
/// </summary>
/// <param name="sender">KnobControl</param>
/// <param name="e">PostRenderEventArgs</param>
private void PostRenderKnobIndicator2(object sender, PostRenderEventArgs e)
{
KnobControl kc = sender as KnobControl;
if (kc != null)
{
// Draw the knob Value on top of the KnobIndicator
using (Font font = new Font("Arial", 16, FontStyle.Regular))
{
using (StringFormat strFormat = new StringFormat(StringFormatFlags.NoClip))
{
strFormat.Alignment = StringAlignment.Center;
RectangleF r = GetTextRect(e.Bounds, font);
e.Graphics.DrawString(kc.Value.ToString(), font, Brushes.Black, r, strFormat);
}
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="knobControl">Associated knob control</param>
public KnobStyle1(KnobControl knobControl)
: base(knobControl)
{
}
/// <summary>
/// KnobControlActionList
/// </summary>
/// <param name="knobControl">Associated KnobControl</param>
public KnobControlActionList(KnobControl knobControl)
: base(knobControl)
{
_KnobControl = knobControl;
}
internal Rectangle ZoneIndicatorBounds; // Zone indicator bounding rectangle
#endregion
/// <summary>
/// Constructor
/// </summary>
/// <param name="knobControl">Associated knob control</param>
public BaseKnob(KnobControl knobControl)
{
Knob = knobControl;
DefaultColorTable = new KnobColorTable();
}
