private void drawData()
{
worker.setAntiAliasing(gdef.antiAliasing);
worker.clip(im.xorigin + 1, im.yorigin - gdef.height - 1, gdef.width - 1, gdef.height + 2);
double areazero = mapper.ytr((im.minval > 0.0) ? im.minval : (im.maxval < 0.0) ? im.maxval : 0.0);
double[] x = xtr(dproc.getTimestamps()), lastY = null;
// draw line, area and stack
foreach (PlotElement plotElement in gdef.plotElements)
{
if (plotElement.GetType() == typeof(Line) ||
plotElement.GetType() == typeof(Area) ||
plotElement.GetType() == typeof(Stack))
{
SourcedPlotElement source = (SourcedPlotElement)plotElement;
double[] y = ytr(source.getValues());
if (source.GetType() == typeof(Line))
{
worker.drawPolyline(x, y, source.color, ((Line)source).width);
}
else if (source.GetType() == typeof(Area))
{
worker.fillPolygon(x, areazero, y, source.color);
}
else if (source.GetType() == typeof(Stack))
{
Stack stack = (Stack)source;
float width = stack.getParentLineWidth();
if (width >= 0F)
{
// line
worker.drawPolyline(x, y, stack.color, width);
}
else
{
// area
worker.fillPolygon(x, lastY, y, stack.color);
worker.drawPolyline(x, lastY, stack.getParentColor(), 0);
}
}
else
{
// should not be here
throw new ApplicationException("Unknown plot source: " + source.GetType());
}
lastY = y;
}
}
worker.reset();
worker.setAntiAliasing(false);
}
