private void drawLineChart(IDrawContext context, Axis axisX, Axis axisY)
{
var plotBase = new PointF(context.PlotArea.Left, context.PlotArea.Top);
var startP = new PointF();
var endP = new PointF();
setPhisicalPos(ref endP, items[0].Key, items[0].Value, axisX, axisY, plotBase);
if (items.Count == 1)
{
context.DrawPoint(endP, Width, Color);
return;
}
startP = endP;
for (var i = 1; i < items.Count; i++)
{
setPhisicalPos(ref endP, items[i].Key, items[i].Value, axisX, axisY, plotBase);
//前から1pxも動いてなかったら線を引かない
if (((int)(startP.X - endP.X) != 0) || ((int)(startP.Y - endP.Y) != 0))
{
context.DrawLine(startP, endP, Width, Color);
startP = endP;
}
}
}