mirror of
https://github.com/XCharts-Team/XCharts.git
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471 lines
18 KiB
C#
471 lines
18 KiB
C#
/******************************************/
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/* */
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/* Copyright (c) 2021 monitor1394 */
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/* https://github.com/monitor1394 */
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/* */
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/******************************************/
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using UnityEngine;
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namespace XCharts
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{
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public static class AxisHelper
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{
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/// <summary>
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/// 包含箭头偏移的轴线长度
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/// </summary>
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/// <param name="axis"></param>
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/// <returns></returns>
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public static float GetAxisLineSymbolOffset(Axis axis)
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{
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if (axis.axisLine.show && axis.axisLine.showArrow && axis.axisLine.arrow.offset > 0)
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{
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return axis.axisLine.arrow.offset;
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}
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return 0;
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}
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/// <summary>
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/// 获得分割段数
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/// </summary>
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/// <param name="dataZoom"></param>
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/// <returns></returns>
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public static int GetSplitNumber(Axis axis, float coordinateWid, DataZoom dataZoom)
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{
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if (axis.type == Axis.AxisType.Value)
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{
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if (axis.interval > 0)
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{
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if (coordinateWid <= 0) return 0;
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int num = (int)(axis.runtimeMinMaxRange / axis.interval);
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int maxNum = Mathf.CeilToInt(coordinateWid / 15);
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if (num > maxNum)
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{
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axis.interval *= 2;
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num = (int)(axis.runtimeMinMaxRange / axis.interval);
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}
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return num;
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}
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else
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{
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return axis.splitNumber > 0 ? axis.splitNumber : 4;
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}
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}
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else if (axis.type == Axis.AxisType.Time)
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{
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if (axis.interval > 0)
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{
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if (coordinateWid <= 0) return 0;
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int num = (int)(axis.runtimeMinMaxRange / axis.interval);
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int maxNum = Mathf.CeilToInt(coordinateWid / 15);
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if (num > maxNum)
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{
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axis.interval *= 2;
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num = (int)(axis.runtimeMinMaxRange / axis.interval);
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}
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return num;
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}
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else
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{
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return axis.splitNumber > 0 ? axis.splitNumber : 4;
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}
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}
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else if (axis.type == Axis.AxisType.Log)
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{
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return axis.splitNumber > 0 ? axis.splitNumber : 4;
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}
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else if (axis.type == Axis.AxisType.Category)
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{
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int dataCount = axis.GetDataList(dataZoom).Count;
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if (!axis.boundaryGap)
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{
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dataCount -= 1;
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}
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if (axis.splitNumber <= 0 || axis.splitNumber > dataCount) return dataCount;
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if (dataCount >= axis.splitNumber * 2) return axis.splitNumber;
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else return dataCount;
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}
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return 0;
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}
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/// <summary>
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/// 获得一个类目数据在坐标系中代表的宽度
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/// </summary>
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/// <param name="coordinateWidth"></param>
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/// <param name="dataZoom"></param>
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/// <returns></returns>
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public static float GetDataWidth(Axis axis, float coordinateWidth, int dataCount, DataZoom dataZoom)
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{
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if (dataCount < 1) dataCount = 1;
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var categoryCount = axis.GetDataNumber(dataZoom);
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int segment = (axis.boundaryGap ? categoryCount : categoryCount - 1);
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segment = segment <= 0 ? dataCount : segment;
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if (segment <= 0) segment = 1;
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return coordinateWidth / segment;
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}
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/// <summary>
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/// 获得标签显示的名称
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/// </summary>
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/// <param name="index"></param>
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/// <param name="minValue"></param>
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/// <param name="maxValue"></param>
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/// <param name="dataZoom"></param>
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/// <returns></returns>
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public static string GetLabelName(Axis axis, float coordinateWidth, int index, float minValue, float maxValue,
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DataZoom dataZoom, bool forcePercent)
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{
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int split = GetSplitNumber(axis, coordinateWidth, dataZoom);
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if (axis.type == Axis.AxisType.Value)
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{
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if (minValue == 0 && maxValue == 0) return string.Empty;
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var value = 0f;
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if (forcePercent) maxValue = 100;
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if (axis.interval > 0)
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{
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if (index == split) value = maxValue;
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else value = minValue + index * axis.interval;
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}
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else
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{
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value = minValue + (maxValue - minValue) * index / split;
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if (!axis.clockwise && value != minValue) value = maxValue - value;
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}
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if (axis.inverse)
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{
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value = -value;
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minValue = -minValue;
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maxValue = -maxValue;
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}
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if (forcePercent) return string.Format("{0}%", (int)value);
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else return axis.axisLabel.GetFormatterContent(value, minValue, maxValue);
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}
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else if (axis.type == Axis.AxisType.Log)
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{
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float value = axis.logBaseE ? Mathf.Exp(axis.runtimeMinLogIndex + index) :
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Mathf.Pow(axis.logBase, axis.runtimeMinLogIndex + index);
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if (axis.inverse)
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{
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value = -value;
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minValue = -minValue;
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maxValue = -maxValue;
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}
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return axis.axisLabel.GetFormatterContent(value, minValue, maxValue, true);
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}
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else if (axis.type == Axis.AxisType.Time)
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{
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if (minValue == 0 && maxValue == 0) return string.Empty;
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var value = 0f;
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if (axis.interval > 0)
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{
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if (index == split) value = maxValue;
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else value = minValue + index * axis.interval;
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}
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else
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{
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value = minValue + (maxValue - minValue) * index / split;
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}
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var timestamp = (int)value;
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var dateTime = DateTimeUtil.GetDateTime(timestamp);
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return axis.axisLabel.GetFormatterDateTime(dateTime);
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}
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var showData = axis.GetDataList(dataZoom);
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int dataCount = showData.Count;
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if (dataCount <= 0) return "";
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int rate = axis.boundaryGap ? (dataCount / split) : (dataCount - 1) / split;
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if (rate == 0) rate = 1;
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if (axis.insertDataToHead)
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{
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if (index > 0)
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{
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var residue = (dataCount - 1) - split * rate;
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var newIndex = residue + (index - 1) * rate;
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if (newIndex < 0) newIndex = 0;
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return axis.axisLabel.GetFormatterContent(showData[newIndex]);
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}
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else
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{
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if (axis.boundaryGap && coordinateWidth / dataCount > 5) return string.Empty;
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else return axis.axisLabel.GetFormatterContent(showData[0]);
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}
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}
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else
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{
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int newIndex = index * rate;
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if (newIndex < dataCount)
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{
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return axis.axisLabel.GetFormatterContent(showData[newIndex]);
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}
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else
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{
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if (axis.boundaryGap && coordinateWidth / dataCount > 5) return string.Empty;
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else return axis.axisLabel.GetFormatterContent(showData[dataCount - 1]);
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}
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}
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}
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/// <summary>
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/// 获得分割线条数
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/// </summary>
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/// <param name="dataZoom"></param>
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/// <returns></returns>
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public static int GetScaleNumber(Axis axis, float coordinateWidth, DataZoom dataZoom = null)
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{
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int splitNum = GetSplitNumber(axis, coordinateWidth, dataZoom);
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if (splitNum == 0) return 0;
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if (axis.IsCategory())
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{
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var data = axis.GetDataList(dataZoom);
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var scaleNum = 0;
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if (axis.boundaryGap)
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{
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scaleNum = data.Count % splitNum == 0 ? splitNum + 1 : splitNum + 2;
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}
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else
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{
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if (data.Count < splitNum) scaleNum = splitNum;
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else scaleNum = data.Count % splitNum == 0 ? splitNum : splitNum + 1;
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}
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return scaleNum;
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}
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else
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{
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return splitNum + 1;
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}
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}
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/// <summary>
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/// 获得分割段宽度
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/// </summary>
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/// <param name="coordinateWidth"></param>
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/// <param name="dataZoom"></param>
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/// <returns></returns>
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public static float GetScaleWidth(Axis axis, float coordinateWidth, int index, DataZoom dataZoom = null)
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{
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if (index < 0) return 0;
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int num = GetScaleNumber(axis, coordinateWidth, dataZoom);
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int splitNum = GetSplitNumber(axis, coordinateWidth, dataZoom);
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if (num <= 0) num = 1;
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if (axis.type == Axis.AxisType.Value && axis.interval > 0)
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{
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if (axis.runtimeMinMaxRange <= 0) return 0;
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if (index >= splitNum)
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{
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return (float)(coordinateWidth - (index - 1) * axis.interval * coordinateWidth / axis.runtimeMinMaxRange);
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}
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else
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{
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return (float)(axis.interval * coordinateWidth / axis.runtimeMinMaxRange);
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}
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}
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else
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{
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var data = axis.GetDataList(dataZoom);
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if (axis.IsCategory() && data.Count > 0)
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{
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var count = axis.boundaryGap ? data.Count : data.Count - 1;
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int tick = count / splitNum;
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if (count <= 0) return 0;
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var each = coordinateWidth / count;
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if (axis.insertDataToHead)
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{
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var max = axis.boundaryGap ? splitNum : splitNum - 1;
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if (index == 1)
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{
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if (axis.axisTick.alignWithLabel) return each * tick;
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else return coordinateWidth - each * tick * max;
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}
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else
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{
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if (count < splitNum) return each;
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else return each * (count / splitNum);
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}
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}
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else
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{
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var max = axis.boundaryGap ? num - 1 : num;
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if (index >= max)
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{
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if (axis.axisTick.alignWithLabel) return each * tick;
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else return coordinateWidth - each * tick * (index - 1);
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}
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else
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{
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if (count < splitNum) return each;
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else return each * (count / splitNum);
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}
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}
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}
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else
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{
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if (splitNum <= 0) return 0;
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else return coordinateWidth / splitNum;
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}
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}
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}
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public static float GetEachWidth(Axis axis, float coordinateWidth, DataZoom dataZoom = null)
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{
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var data = axis.GetDataList(dataZoom);
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if (data.Count > 0)
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{
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var count = axis.boundaryGap ? data.Count : data.Count - 1;
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return count > 0 ? coordinateWidth / count : coordinateWidth;
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}
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else
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{
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int num = GetScaleNumber(axis, coordinateWidth, dataZoom) - 1;
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return num > 0 ? coordinateWidth / num : coordinateWidth;
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}
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}
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/// <summary>
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/// 调整最大最小值
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/// </summary>
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/// <param name="minValue"></param>
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/// <param name="maxValue"></param>
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public static void AdjustMinMaxValue(Axis axis, ref float minValue, ref float maxValue, bool needFormat, int ceilRate = 0)
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{
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if (axis.type == Axis.AxisType.Log)
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{
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int minSplit = 0;
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int maxSplit = 0;
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maxValue = ChartHelper.GetMaxLogValue(maxValue, axis.logBase, axis.logBaseE, out maxSplit);
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minValue = ChartHelper.GetMinLogValue(minValue, axis.logBase, axis.logBaseE, out minSplit);
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axis.splitNumber = (minSplit > 0 && maxSplit > 0) ? (maxSplit + minSplit - 1) : (maxSplit + minSplit);
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return;
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}
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if (axis.minMaxType == Axis.AxisMinMaxType.Custom)
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{
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if (axis.min != 0 || axis.max != 0)
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{
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if (axis.inverse)
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{
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minValue = -axis.max;
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maxValue = -axis.min;
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}
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else
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{
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minValue = axis.min;
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maxValue = axis.max;
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}
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}
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}
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else
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{
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if (ceilRate == 0) ceilRate = axis.ceilRate;
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switch (axis.minMaxType)
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{
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case Axis.AxisMinMaxType.Default:
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if (minValue == 0 && maxValue == 0)
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{
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}
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else if (minValue > 0 && maxValue > 0)
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{
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minValue = 0;
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maxValue = needFormat ? ChartHelper.GetMaxDivisibleValue(maxValue, ceilRate) : maxValue;
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}
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else if (minValue < 0 && maxValue < 0)
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{
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minValue = needFormat ? ChartHelper.GetMinDivisibleValue(minValue, ceilRate) : minValue;
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maxValue = 0;
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}
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else
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{
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minValue = needFormat ? ChartHelper.GetMinDivisibleValue(minValue, ceilRate) : minValue;
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maxValue = needFormat ? ChartHelper.GetMaxDivisibleValue(maxValue, ceilRate) : maxValue;
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}
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break;
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case Axis.AxisMinMaxType.MinMax:
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minValue = needFormat ? ChartHelper.GetMinDivisibleValue(minValue, ceilRate) : minValue;
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maxValue = needFormat ? ChartHelper.GetMaxDivisibleValue(maxValue, ceilRate) : maxValue;
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break;
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}
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}
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double tempRange = maxValue - minValue;
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if (axis.runtimeMinMaxRange != tempRange)
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{
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axis.runtimeMinMaxRange = tempRange;
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if (axis.type == Axis.AxisType.Value && axis.interval > 0)
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{
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axis.SetComponentDirty();
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}
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}
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}
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public static bool NeedShowSplit(Axis axis)
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{
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if (!axis.show) return false;
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if (axis.IsCategory() && axis.GetDataList().Count <= 0) return false;
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else if (axis.IsValue() && axis.runtimeMinValue == 0 && axis.runtimeMaxValue == 0) return false;
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else return true;
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}
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public static void AdjustCircleLabelPos(ChartText txt, Vector3 pos, Vector3 cenPos, float txtHig, Vector3 offset)
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{
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var txtWidth = txt.GetPreferredWidth();
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var sizeDelta = new Vector2(txtWidth, txt.GetPreferredHeight());
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txt.SetSizeDelta(sizeDelta);
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var diff = pos.x - cenPos.x;
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if (diff < -1f) //left
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{
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pos = new Vector3(pos.x - txtWidth / 2, pos.y);
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}
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else if (diff > 1f) //right
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{
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pos = new Vector3(pos.x + txtWidth / 2, pos.y);
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}
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else
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{
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float y = pos.y > cenPos.y ? pos.y + txtHig / 2 : pos.y - txtHig / 2;
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pos = new Vector3(pos.x, y);
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}
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txt.SetLocalPosition(pos + offset);
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}
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public static void AdjustCircleLabelPos(ChartLabel txt, Vector3 pos, Vector3 cenPos, float txtHig, Vector3 offset)
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{
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var txtWidth = txt.label.GetPreferredWidth();
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var sizeDelta = new Vector2(txtWidth, txt.label.GetPreferredHeight());
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txt.label.SetSizeDelta(sizeDelta);
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var diff = pos.x - cenPos.x;
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if (diff < -1f) //left
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{
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pos = new Vector3(pos.x - txtWidth / 2, pos.y);
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}
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else if (diff > 1f) //right
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{
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pos = new Vector3(pos.x + txtWidth / 2, pos.y);
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}
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else
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{
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float y = pos.y > cenPos.y ? pos.y + txtHig / 2 : pos.y - txtHig / 2;
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pos = new Vector3(pos.x, y);
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}
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txt.SetPosition(pos + offset);
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}
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public static void AdjustRadiusAxisLabelPos(ChartText txt, Vector3 pos, Vector3 cenPos, float txtHig, Vector3 offset)
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{
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var txtWidth = txt.GetPreferredWidth();
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var sizeDelta = new Vector2(txtWidth, txt.GetPreferredHeight());
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txt.SetSizeDelta(sizeDelta);
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var diff = pos.y - cenPos.y;
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if (diff > 20f) //left
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{
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pos = new Vector3(pos.x - txtWidth / 2, pos.y);
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}
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else if (diff < -20f) //right
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{
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pos = new Vector3(pos.x + txtWidth / 2, pos.y);
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}
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else
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{
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float y = pos.y > cenPos.y ? pos.y + txtHig / 2 : pos.y - txtHig / 2;
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pos = new Vector3(pos.x, y);
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}
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txt.SetLocalPosition(pos);
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}
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}
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} |