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MarkLine优化

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This commit is contained in:
monitor1394
2021-07-16 08:31:10 +08:00
parent 162aeb02e6
commit 012f6ccb52
5 changed files with 60 additions and 56 deletions
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21
Runtime/Helper/AxisHelper.cs
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@@ -465,5 +465,26 @@ namespace XCharts
}
txt.SetLocalPosition(pos);
}
public static float GetAxisPosition(Grid grid, Axis axis, double value, int dataCount = 0, DataZoom dataZoom = null)
{
var gridHeight = axis is YAxis ? grid.runtimeHeight : grid.runtimeWidth;
var gridXY = axis is YAxis ? grid.runtimeY : grid.runtimeX;
if (axis.IsCategory())
{
if (dataCount == 0) dataCount = axis.data.Count;
var categoryIndex = (int)value;
var scaleWid = AxisHelper.GetDataWidth(axis, grid.runtimeHeight, dataCount, dataZoom);
float startY = gridXY + (axis.boundaryGap ? scaleWid / 2 : 0);
return startY + scaleWid * categoryIndex;
}
else
{
var yDataHig = (axis.runtimeMinMaxRange == 0) ? 0f :
(float)((value - axis.runtimeMinValue) / axis.runtimeMinMaxRange * gridHeight);
return gridXY + yDataHig;
}
}
}
}