foldcc/XCharts
1
0
Fork 0
mirror of https://github.com/XCharts-Team/XCharts.git synced 2026-05-28 12:08:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

增加LabelStyle的showCondition,showFilter,showThreshold可控制label显示和隐藏

Browse Source
This commit is contained in:
monitor1394
2026-05-23 17:07:00 +08:00
parent f7ccec87d9
commit 4ad2b3268f
6 changed files with 185 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
Runtime/Serie/SerieHandler.cs
View File

@@ -546,6 +546,7 @@ namespace XCharts.Runtime
currLabel, color, chart);
var offset = GetSerieDataLabelOffset(serieData, currLabel);
var active = currLabel.show && !isIgnore && !serie.IsMinShowLabelValue(value);
if (active) active = CheckLabelVisible(currLabel, serieData.index, value, i);
if (active)
{
anyLabelActive = true;
@@ -577,10 +578,11 @@ namespace XCharts.Runtime
currLabel, color, chart);
var labelPos = UpdateLabelPosition(serieData, currLabel);
var active = currLabel.show && !isIgnore && !serie.IsMinShowLabelValue(value);
if (active && currLabel.minGap > 0 && lastActiveLabelSerieData != null)
if (active) active = CheckLabelVisible(currLabel, serieData.index, value, defaultDimension);
if (active && currLabel.showMinGap > 0 && lastActiveLabelSerieData != null)
{
var dist = Mathf.Abs(labelPos.x - lastActiveLabelPos.x);
if (dist < currLabel.minGap)
if (dist < currLabel.showMinGap)
{
var currValue = serieData.GetData(1);
if (Math.Abs(currValue) >= Math.Abs(lastActiveLabelValue))
@@ -641,6 +643,66 @@ namespace XCharts.Runtime
}
}
private bool CheckLabelVisible(LabelStyle label, int dataIndex, double value, int dimension)
{
// showCondition: 基于阈值的条件检查（AND showFilter）
bool conditionResult;
switch (label.showCondition)
{
case LabelStyle.ShowCondition.GreaterThan:
conditionResult = value > label.showThreshold;
break;
case LabelStyle.ShowCondition.LessThan:
conditionResult = value < label.showThreshold;
break;
default: // Always
conditionResult = true;
break;
}
if (!conditionResult)
return false;
// showFilter: 基于数据形态的过滤检查
switch (label.showFilter)
{
case LabelStyle.ShowFilter.Peak:
{
bool isPeak = true;
bool hasNeighbor = false;
if (dataIndex > 0)
{
hasNeighbor = true;
isPeak &= value > serie.data[dataIndex - 1].GetData(dimension);
}
if (dataIndex < serie.dataCount - 1)
{
hasNeighbor = true;
isPeak &= value > serie.data[dataIndex + 1].GetData(dimension);
}
return isPeak && hasNeighbor;
}
case LabelStyle.ShowFilter.Valley:
{
bool isValley = true;
bool hasNeighbor = false;
if (dataIndex > 0)
{
hasNeighbor = true;
isValley &= value < serie.data[dataIndex - 1].GetData(dimension);
}
if (dataIndex < serie.dataCount - 1)
{
hasNeighbor = true;
isValley &= value < serie.data[dataIndex + 1].GetData(dimension);
}
return isValley && hasNeighbor;
}
default: // All
return true;
}
}
public virtual void RefreshEndLabelInternal()
{
if (m_EndLabel == null)