/// <summary>
/// add 'new' bar with new value and remove oldest bar
/// </summary>
/// <param name="value">height of new bar</param>
/// <returns>discarded value</returns>
public float Queue(float value)
{
// we move all shapes by 1 left
ILPoint3Df offset = new ILPoint3Df(-1f, 0, 0);
for (int i = 0; i < m_quads.Length; i++)
{
m_quads[i].Translate(offset);
// FADE OUt old barsss ....
m_quads[(i + m_oldestBarIndex) % (m_quads.Length - 1)].Opacity
= (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// tell the scene to update its size
m_quads[i].Invalidate();
}
// configure oldest graph
ILQuad newestQuad = m_quads[m_oldestBarIndex];
offset.X = m_quads.Length;
newestQuad.Translate(offset);
float ret = newestQuad.Vertices[2].YPosition;
newestQuad.Vertices[2].YPosition = value;
newestQuad.Vertices[3].YPosition = value;
newestQuad.Opacity = 255;
if (++m_oldestBarIndex >= m_quads.Length)
{
m_oldestBarIndex = 0;
}
return(ret);
}
protected void createQuads(ILBaseArray data)
{
if (data == null || data.Length == 0)
{
Clear();
m_quads = new ILQuad[0];
}
else
{
Clear();
m_quads = new ILQuad[data.Length];
ILColorEnumerator colors = new ILColorEnumerator();
ILArray <float> fData = null;
if (data is ILArray <float> )
{
fData = (ILArray <float>)data;
}
else
{
fData = ILMath.tosingle(data);
}
for (int i = 0; i < m_quads.Length; i++)
{
m_quads[i] = new ILQuad(m_panel);
m_quads[i].Border.Visible = true;
m_quads[i].FillColor = colors.NextColor();
ILPoint3Df pos = new ILPoint3Df();
pos.X = i - m_barWidth / 2;
pos.Y = 0;
pos.Z = -0.5f;
m_quads[i].Vertices[0].Position = pos;
pos.X += m_barWidth;
m_quads[i].Vertices[1].Position = pos;
pos.Y += fData.GetValue(i);
m_quads[i].Vertices[2].Position = pos;
pos.X -= m_barWidth;
m_quads[i].Vertices[3].Position = pos;
// label the bar
m_quads[i].Label.Text = i.ToString();
m_quads[i].Label.Anchor = new PointF(.5f, -1);
// bars will be transparent, oldest fading to OpacityOldest
m_quads[i].Opacity = (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// add the bar to the scene graph node (base)
Add(m_quads[i]);
}
}
}
protected void createQuads(ILBaseArray data) {
if (data == null || data.Length == 0) {
Clear();
m_quads = new ILQuad[0];
} else {
Clear();
m_quads = new ILQuad[data.Length];
ILColorEnumerator colors = new ILColorEnumerator();
ILArray<float> fData = null;
if (data is ILArray<float>) {
fData = (ILArray<float>)data;
} else {
fData = ILMath.tosingle(data);
}
for (int i = 0; i < m_quads.Length; i++) {
m_quads[i] = new ILQuad(m_panel);
m_quads[i].Border.Visible = true;
m_quads[i].FillColor = colors.NextColor();
ILPoint3Df pos = new ILPoint3Df();
pos.X = i - m_barWidth / 2;
pos.Y = 0;
pos.Z = -0.5f;
m_quads[i].Vertices[0].Position = pos;
pos.X += m_barWidth;
m_quads[i].Vertices[1].Position = pos;
pos.Y += fData.GetValue(i);
m_quads[i].Vertices[2].Position = pos;
pos.X -= m_barWidth;
m_quads[i].Vertices[3].Position = pos;
// label the bar
m_quads[i].Label.Text = i.ToString();
m_quads[i].Label.Anchor = new PointF(.5f,-1);
// bars will be transparent, oldest fading to OpacityOldest
m_quads[i].Opacity = (byte)(m_oldestOpacity + i * (255 - m_oldestOpacity) / m_quads.Length);
// add the bar to the scene graph node (base)
Add(m_quads[i]);
}
}
}
