void SetIdentify(bool enable)
{
ResponseObject.UseConfigureDisplay = enable;
if (enable)
{
// Generate configuration image;
SignRender r = new SignRender();
r.SetConfiguration(ResponseObject.Target.CurrentConfiguration());
r.Clear();
lock (Elements)
{
int index = 1;
foreach (EditElement e in Elements)
{
string text = index.ToString();
SizeF sz = r.MeasureText(12, text);
r.DrawTextAbsolute(12, text, Color.White,
e.Location.X + (e.Location.Width - sz.Width) / 2,
e.Location.Y + (e.Location.Height - sz.Height) / 2);
index++;
}
}
UpdateFrameInternal(r.SignOutput);
ResponseObject.Target.SendImage(r.SignOutput);
}
}
void FrameTick(object context)
{
lock (this)
{
if (Render == null)
{
return;
}
Render.Clear();
if (ContentElements != null)
{
foreach (SignElement e in ContentElements)
{
e.SetContext(Render);
}
// Advance anmiation
if (DelayTime > 0)
{
DelayTime--;
}
else
{
if (AnimateFirstElement >= ContentElements.Length)
{
DelayTime = RecycleDelay;
AnimateFirstElement = 0;
AnimateElementOffset = 0;
}
else
{
// Scrolling
SignElement firstElement = ContentElements[AnimateFirstElement];
AnimateElementOffset--;
int elementLocation = Render.Configuration.Width + AnimateElementOffset;
if (elementLocation + firstElement.Width < 0)
{
// Advance to next element
AnimateFirstElement++;
AnimateElementOffset += firstElement.Width + ElementSpacing;
}
DelayTime = FramesPerScroll - 1;
}
}
// Render
ElementAnimation animMode = ElementAnimation.None;
int offset = 0;
for (int i = AnimateFirstElement; i < ContentElements.Length; i++)
{
SignElement curElement = ContentElements[i];
if (animMode == ElementAnimation.None)
{
animMode = curElement.Animation;
}
if (animMode != curElement.Animation)
{
break;
}
Render.ElementXOffset = Render.Configuration.Width + AnimateElementOffset + offset;
Render.ElementYOffset = 0;
if (Render.ElementXOffset >= Render.Configuration.Width)
{
break;
}
curElement.Render(Render);
offset += curElement.Width + ElementSpacing;
}
}
SendFrameComplete();
if (ContentElements != null)
{
// Rebuild content list if necessary. Do this after rendering to reduce jitter.
// May not be that important. (measure later)
bool needRebuild = false;
foreach (ISignContent sc in ContentSources)
{
if (sc.HasUpdate)
{
needRebuild = true;
}
}
if (needRebuild)
{
ContentElements = ContentSources.SelectMany((s) => s.GetElements()).ToArray();
}
}
}
}
