/// <summary>
/// 使用配置的颜色属性重新绘制折线图。
/// </summary>
public void DrawChart()
{
ClearChart();
if (XAxis == null || YAxis == null || XAxis.Count() == 0 || YAxis.Count() == 0)
{
return;
}
//绘制坐标
var xCellWidth = (Width - _yAxisWidth) / XAxis.Count();
var yCellHeight = (Height - _xAxisHeight) / YAxis.Count();
DrawAxis(xCellWidth, yCellHeight);
//绘制网格线
var canvasWidth = Width - _yAxisWidth;
var canvasHeight = Height - _xAxisHeight;
DrawGrid(xCellWidth, yCellHeight, canvasWidth, canvasHeight);
//绘制点和线
if (Values == null)
{
return;
}
DrawPointAndLineAndArea(xCellWidth, yCellHeight);
}
/// <summary>
/// 绘制网格。
/// </summary>
internal void DrawGrid(double xCellWidth, double yCellHeight, double canvasWidth, double canvasHeight)
{
var path = "";
for (int i = 0; i < XAxis.Count(); i++)
{
path += $"M {xCellWidth * i},0 V {canvasHeight}";
}
for (int i = 0; i < YAxis.Count(); i++)
{
path += $"M 0,{canvasHeight - yCellHeight * i} H {canvasWidth}";
}
gridPath.Data = Geometry.Parse(path);
}