/// <summary>
/// 获得一个类目数据在坐标系中代表的宽度
/// </summary>
/// <param name="coordinateWidth"></param>
/// <param name="dataZoom"></param>
/// <returns></returns>
public static float GetDataWidth(Axis axis, float coordinateWidth, int dataCount, DataZoom dataZoom)
{
if (dataCount < 1)
{
dataCount = 1;
}
var categoryCount = axis.GetDataNumber(dataZoom);
int segment = (axis.boundaryGap ? categoryCount : categoryCount - 1);
segment = segment <= 0 ? dataCount : segment;
return(coordinateWidth / segment);
}