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https://github.com/XCharts-Team/XCharts.git
synced 2026-05-28 12:08:46 +00:00
优化图表性能
This commit is contained in:
monitor1394
@@ -1,3 +1,4 @@
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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@@ -19,6 +20,9 @@ namespace XCharts.Runtime
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private float m_DataZoomLastEndIndex;
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private float m_LastStart;
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private float m_LastEnd;
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private List<double> _sampleSumPrefixCache;
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private int _sampleSumPrefixMaxCount = 0;
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private bool _sampleSumPrefixInverse = false;
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public override void InitComponent()
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{
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@@ -593,11 +597,30 @@ namespace XCharts.Runtime
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var animationDuration = serie.animation.GetChangeDuration();
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var dataAddDuration = serie.animation.GetAdditionDuration();
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var unscaledTime = serie.animation.unscaledTime;
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var useCurrentData = false;
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List<double> sampleSumPrefix = null;
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if (serie.animation.enable)
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{
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useCurrentData = DataHelper.IsAnyDataChanged(ref showData, serie.minShow, maxCount);
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dataChanging = useCurrentData;
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}
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if (!useCurrentData && rate > 1 &&
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(serie.sampleType == SampleType.Sum || serie.sampleType == SampleType.Average))
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{
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if (_sampleSumPrefixCache == null || _sampleSumPrefixMaxCount != maxCount || _sampleSumPrefixInverse != axis.inverse)
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{
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_sampleSumPrefixCache = DataHelper.BuildSampleSumPrefix(ref showData, maxCount, axis.inverse);
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_sampleSumPrefixMaxCount = maxCount;
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_sampleSumPrefixInverse = axis.inverse;
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}
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sampleSumPrefix = _sampleSumPrefixCache;
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}
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for (int i = 0; i < maxCount; i += rate)
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for (int i = serie.minShow; i < maxCount; i += rate)
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{
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double value = DataHelper.SampleValue(ref showData, serie.sampleType, rate, serie.minShow, maxCount, totalAverage, i,
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dataAddDuration, animationDuration, ref dataChanging, axis, unscaledTime);
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dataAddDuration, animationDuration, ref dataChanging, axis, unscaledTime,
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useCurrentData, false, sampleSumPrefix);
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float pX = dataZoom.context.x + i * scaleWid;
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float dataHig = (float)((maxValue - minValue) == 0 ? 0 :
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(value - minValue) / (maxValue - minValue) * dataZoom.context.height);
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@@ -685,11 +708,30 @@ namespace XCharts.Runtime
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var animationDuration = serie.animation.GetChangeDuration();
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var dataAddDuration = serie.animation.GetAdditionDuration();
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var unscaledTime = serie.animation.unscaledTime;
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var useCurrentData = false;
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List<double> sampleSumPrefix = null;
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if (serie.animation.enable)
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{
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useCurrentData = DataHelper.IsAnyDataChanged(ref showData, serie.minShow, maxCount);
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dataChanging = useCurrentData;
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}
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if (!useCurrentData && rate > 1 &&
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(serie.sampleType == SampleType.Sum || serie.sampleType == SampleType.Average))
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{
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if (_sampleSumPrefixCache == null || _sampleSumPrefixMaxCount != maxCount || _sampleSumPrefixInverse != axis.inverse)
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{
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_sampleSumPrefixCache = DataHelper.BuildSampleSumPrefix(ref showData, maxCount, axis.inverse);
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_sampleSumPrefixMaxCount = maxCount;
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_sampleSumPrefixInverse = axis.inverse;
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}
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sampleSumPrefix = _sampleSumPrefixCache;
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}
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for (int i = 0; i < maxCount; i += rate)
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for (int i = serie.minShow; i < maxCount; i += rate)
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{
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double value = DataHelper.SampleValue(ref showData, serie.sampleType, rate, serie.minShow, maxCount, totalAverage, i,
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dataAddDuration, animationDuration, ref dataChanging, axis, unscaledTime);
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dataAddDuration, animationDuration, ref dataChanging, axis, unscaledTime,
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useCurrentData, false, sampleSumPrefix);
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float pY = dataZoom.context.y + i * scaleWid;
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float dataHig = (maxValue - minValue) == 0 ? 0 :
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(float)((value - minValue) / (maxValue - minValue) * dataZoom.context.width);
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@@ -11,6 +11,8 @@ namespace XCharts.Runtime
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internal sealed class TooltipHandler : MainComponentHandler<Tooltip>
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{
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private Dictionary<string, ChartLabel> m_IndicatorLabels = new Dictionary<string, ChartLabel>();
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private Dictionary<Serie, Dictionary<int, List<SerieData>>> m_SortedAxisDataCache =
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new Dictionary<Serie, Dictionary<int, List<SerieData>>>();
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private GameObject m_LabelRoot;
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private ISerieContainer m_PointerContainer;
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@@ -451,29 +453,116 @@ namespace XCharts.Runtime
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private void GetSerieDataIndexByAxis(Serie serie, Axis axis, GridCoord grid, int dimension = 0)
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{
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var currValue = 0d;
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var lastValue = 0d;
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var nextValue = 0d;
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var axisValue = axis.context.pointerValue;
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var isTimeAxis = axis.IsTime();
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var dataCount = serie.dataCount;
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var themeSymbolSize = chart.theme.serie.scatterSymbolSize;
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var data = serie.data;
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if (!isTimeAxis)// || serie.useSortData)
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serie.context.pointerAxisDataIndexs.Clear();
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if (axis.IsTime())
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{
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serie.context.sortedData.Clear();
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for (int i = 0; i < dataCount; i++)
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FindSerieDataIndexByAxisLinear(serie, axis, axisValue, dimension);
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}
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else
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{
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var sortedData = GetSortedAxisData(serie, dimension);
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var nearestIndex = GetNearestSerieDataIndex(sortedData, axisValue, dimension, axis.context.tickValue);
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if (nearestIndex >= 0)
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serie.context.pointerAxisDataIndexs.Add(nearestIndex);
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}
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if (serie.context.pointerAxisDataIndexs.Count > 0)
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{
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var index = serie.context.pointerAxisDataIndexs[0];
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serie.context.pointerItemDataIndex = index;
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axis.context.axisTooltipValue = serie.GetSerieData(index).GetData(dimension);
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}
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else
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{
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serie.context.pointerItemDataIndex = -1;
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axis.context.axisTooltipValue = 0;
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}
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}
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private List<SerieData> GetSortedAxisData(Serie serie, int dimension)
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{
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Dictionary<int, List<SerieData>> dimensionCache;
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if (!m_SortedAxisDataCache.TryGetValue(serie, out dimensionCache))
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{
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dimensionCache = new Dictionary<int, List<SerieData>>();
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m_SortedAxisDataCache[serie] = dimensionCache;
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}
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List<SerieData> sortedData;
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if (!dimensionCache.TryGetValue(dimension, out sortedData))
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{
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sortedData = new List<SerieData>();
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dimensionCache[dimension] = sortedData;
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}
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if (serie.dataDirty || sortedData.Count != serie.dataCount)
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{
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sortedData.Clear();
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for (int i = 0; i < serie.dataCount; i++)
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{
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var serieData = serie.data[i];
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serie.context.sortedData.Add(serieData);
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sortedData.Add(serie.data[i]);
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}
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serie.context.sortedData.Sort(delegate (SerieData a, SerieData b)
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sortedData.Sort(delegate (SerieData a, SerieData b)
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{
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return a.GetData(dimension).CompareTo(b.GetData(dimension));
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});
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data = serie.context.sortedData;
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}
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serie.context.pointerAxisDataIndexs.Clear();
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return sortedData;
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}
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private int GetNearestSerieDataIndex(List<SerieData> sortedData, double axisValue, int dimension, double tickValue)
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{
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var dataCount = sortedData.Count;
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if (dataCount <= 0) return -1;
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if (dataCount == 1)
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{
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var currValue = sortedData[0].GetData(dimension);
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var diff = tickValue * 0.5f;
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return axisValue >= currValue - diff && axisValue <= currValue + diff
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? sortedData[0].index
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: -1;
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}
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var firstValue = sortedData[0].GetData(dimension);
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var secondValue = sortedData[1].GetData(dimension);
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if (axisValue <= firstValue + (secondValue - firstValue) / 2)
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return sortedData[0].index;
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var lastValue = sortedData[dataCount - 1].GetData(dimension);
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var beforeLastValue = sortedData[dataCount - 2].GetData(dimension);
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if (axisValue > beforeLastValue + (lastValue - beforeLastValue) / 2)
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return sortedData[dataCount - 1].index;
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var low = 1;
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var high = dataCount - 2;
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while (low <= high)
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{
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var mid = (low + high) / 2;
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var prevValue = sortedData[mid - 1].GetData(dimension);
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var currValue = sortedData[mid].GetData(dimension);
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var nextValue = sortedData[mid + 1].GetData(dimension);
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var leftBound = currValue - (currValue - prevValue) / 2;
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var rightBound = currValue + (nextValue - currValue) / 2;
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if (axisValue > leftBound && axisValue <= rightBound)
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return sortedData[mid].index;
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if (axisValue <= leftBound)
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high = mid - 1;
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else
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low = mid + 1;
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}
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return -1;
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}
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private void FindSerieDataIndexByAxisLinear(Serie serie, Axis axis, double axisValue, int dimension)
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{
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var currValue = 0d;
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var lastValue = 0d;
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var nextValue = 0d;
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var dataCount = serie.dataCount;
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var data = serie.data;
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for (int i = 0; i < dataCount; i++)
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{
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var serieData = data[i];
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@@ -518,17 +607,6 @@ namespace XCharts.Runtime
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}
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lastValue = currValue;
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}
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if (serie.context.pointerAxisDataIndexs.Count > 0)
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{
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var index = serie.context.pointerAxisDataIndexs[0];
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serie.context.pointerItemDataIndex = index;
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axis.context.axisTooltipValue = serie.GetSerieData(index).GetData(dimension);
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}
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else
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{
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serie.context.pointerItemDataIndex = -1;
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axis.context.axisTooltipValue = 0;
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}
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}
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private void GetSerieDataIndexByItem(Serie serie, Axis axis, GridCoord grid, int dimension = 0)
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