/// <summary>
/// 绘制X轴坐标刻度线
/// </summary>
/// <param name="axis">X轴坐标</param>
/// <param name="canvas">画布</param>
/// <param name="x1">第一个X</param>
/// <param name="x2">第二个X</param>
public static void DrawXAxisLabelLine(AxisAbs axis, Canvas canvas, double x1, double x2)
{
if (!axis.DrawAxisLine || !DoubleHasValue(x1) || !DoubleHasValue(x2))
{
return;
}
var labelLinePath = new Path();
labelLinePath.Style = axis.AxisLineStyle;
if (labelLinePath.Style == null)
{
labelLinePath.Style = ChartStyleHelper.GetDefaultAxisLabelLineStyle();
}
Point point1, point2;
if (axis.IsAxisXBottom())
{
point1 = new Point(ChartConstant.ZERO_D, ChartConstant.ZERO_D);
point2 = new Point(canvas.Width, ChartConstant.ZERO_D);
}
else
{
point1 = new Point(ChartConstant.ZERO_D, canvas.Height);
point2 = new Point(canvas.Width, canvas.Height);
}
PathFigure labelPathFigure = new PathFigure();
labelPathFigure.StartPoint = point1;
labelPathFigure.Segments.Add(new LineSegment(point2, true));
labelLinePath.Data = new PathGeometry()
{
Figures = new PathFigureCollection(new PathFigure[] { labelPathFigure })
};
canvas.Children.Add(labelLinePath);
}
/// <summary>
/// 绘制X轴坐标刻度线
/// </summary>
/// <param name="axis">X轴坐标</param>
/// <param name="canvas">画布</param>
/// <param name="xList">X轴刻度集合</param>
public static void DrawXAxisLabelLine(AxisAbs axis, Canvas canvas, List <double> xList)
{
if (!axis.DrawAxisLine || xList == null || xList.Count == 0)
{
return;
}
var labelLinePath = new Path();
labelLinePath.Style = axis.AxisLineStyle;
if (labelLinePath.Style == null)
{
labelLinePath.Style = ChartStyleHelper.GetDefaultAxisLabelLineStyle();
}
GeometryGroup geometryGroup = new GeometryGroup();
Point point1, point2;
double x;
int lastIndex = xList.Count - 1;
for (int i = 0; i < xList.Count; i++)
{
x = xList[i];
if (axis.IsAxisXBottom())
{
point1 = new Point(x, ChartConstant.ZERO_D);
point2 = new Point(x, axis.LabelSize);
}
else
{
point1 = new Point(x, canvas.Height - axis.LabelSize);
point2 = new Point(x, canvas.Height);
}
PathFigure labelPathFigure = new PathFigure();
labelPathFigure.StartPoint = point1;
labelPathFigure.Segments.Add(new LineSegment(point2, true));
geometryGroup.Children.Add(new PathGeometry()
{
Figures = new PathFigureCollection(new PathFigure[] { labelPathFigure })
});
}
//坐标轴
if (axis.IsAxisXBottom())
{
point1 = new Point(xList.First(), ChartConstant.ZERO_D);
point2 = new Point(xList.Last(), ChartConstant.ZERO_D);
}
else
{
point1 = new Point(xList.First(), canvas.Height);
point2 = new Point(xList.Last(), canvas.Height);
}
PathFigure axisPathFigure = new PathFigure();
axisPathFigure.StartPoint = point1;
axisPathFigure.Segments.Add(new LineSegment(point2, true));
geometryGroup.Children.Add(new PathGeometry()
{
Figures = new PathFigureCollection(new PathFigure[] { axisPathFigure })
});
labelLinePath.Data = geometryGroup;
canvas.Children.Add(labelLinePath);
}