/// <summary>
/// Draw the specified area with the specified Drawing toolkit tk.
/// </summary>
/// <param name="tk">IDrawingToolkit.</param>
/// <param name="area">Area.</param>
public override void Draw(IDrawingToolkit tk, Area area)
{
double linepos;
if (!UpdateDrawArea(tk, area, Area))
{
return;
}
tk.Begin();
if (needle == null)
{
needle = tk.CreateSurfaceFromIcon(Icons.TimelineNeedleUP);
}
if (Selected)
{
tk.FillColor = App.Current.Style.ThemeContrastDisabled;
tk.StrokeColor = App.Current.Style.ThemeContrastDisabled;
}
else
{
tk.FillColor = LineColor;
tk.StrokeColor = LineColor;
}
tk.LineWidth = Sizes.TimelineLineSize;
linepos = OffsetY + Height / 2 + Sizes.TimelineLineSize / 2;
if (StopX - StartX <= needle.Width / 2)
{
double c = movingPos == SelectionPosition.Left ? StopX : StartX;
tk.DrawSurface(new Point(c - needle.Width / 2, linepos - 9), Sizes.TimelineNeedleUpWidth,
Sizes.TimelineNeedleUpHeight, needle, ScaleMode.AspectFit);
}
else
{
tk.DrawLine(new Point(StartX, linepos),
new Point(StopX, linepos));
tk.DrawSurface(new Point(StartX - needle.Width / 2, linepos - 9), Sizes.TimelineNeedleUpWidth,
Sizes.TimelineNeedleUpHeight, needle, ScaleMode.AspectFit);
tk.DrawSurface(new Point(StopX - needle.Width / 2, linepos - 9), Sizes.TimelineNeedleUpWidth,
Sizes.TimelineNeedleUpHeight, needle, ScaleMode.AspectFit);
}
if (ShowName)
{
tk.FontSize = Sizes.TimelineFontSize;
tk.FontWeight = FontWeight.Bold;
tk.FillColor = App.Current.Style.TextBaseDisabled;
tk.StrokeColor = App.Current.Style.TextBaseDisabled;
tk.DrawText(new Point(StartX, OffsetY), StopX - StartX, Height / 2, TimeNode.Name);
}
tk.End();
}