private void DrawAllData(IDataDrawState state, IDrawing drawing, IMargin margin, Size canvasSize, System.Drawing.RectangleF clip)
{
var startX = this.scaleService.State.X1;
var endX = this.scaleService.State.X2;
if (this.dataService.ItemCount == 1)
{
// Draw point for single data item
foreach (var item in this.dataService.GetItems(startX, endX))
{
if (item != null && this.scaleService.IsItemVisible(item))
{
var x = this.scaleService.ToScreen(Axis.X, item.X);
var y = this.scaleService.ToScreen(Axis.Y, item.Y);
drawing.Circle(state.LineColor, margin.Left + x, canvasSize.Height - margin.Bottom - y, 4, clip);
}
}
}
else
{
IDataItem prevItem = null;
// Draw lines
foreach (var item in this.dataService.GetItems(startX, endX))
{
if (item != null && prevItem != null &&
(this.scaleService.IsItemVisible(prevItem) ||
this.scaleService.IsItemVisible(item)))
{
var x1 = this.scaleService.ToScreen(Axis.X, prevItem.X);
var y1 = this.scaleService.ToScreen(Axis.Y, prevItem.Y);
var x2 = this.scaleService.ToScreen(Axis.X, item.X);
var y2 = this.scaleService.ToScreen(Axis.Y, item.Y);
drawing.Line(state.LineColor, margin.Left + x1, canvasSize.Height - margin.Bottom - y1, margin.Left + x2, canvasSize.Height - margin.Bottom - y2, clip);
}
prevItem = item;
}
}
}
