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3.0 - bar chart

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monitor1394
2022-01-13 21:45:59 +08:00
parent 0282dae582
commit c9addaf02c
22 changed files with 195 additions and 106 deletions
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47
Runtime/Component/Axis/AxisHelper.cs
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@@ -488,17 +488,46 @@ namespace XCharts
}
}
public static float GetAxisPosition(GridCoord grid, Axis axis, float scaleWidth, double value)
/// <summary>
/// 获得数值value在坐标轴上的坐标位置
/// </summary>
/// <param name="grid"></param>
/// <param name="axis"></param>
/// <param name="scaleWidth"></param>
/// <param name="value"></param>
/// <returns></returns>
public static float GetAxisValuePosition(GridCoord grid, Axis axis, float scaleWidth, double value)
{
return GetAxisPositionInternal(grid, axis, scaleWidth, value, true);
return GetAxisPositionInternal(grid, axis, scaleWidth, value, true, false);
}
/// <summary>
/// 获得数值value在坐标轴上相对起点的距离
/// </summary>
/// <param name="grid"></param>
/// <param name="axis"></param>
/// <param name="scaleWidth"></param>
/// <param name="value"></param>
/// <returns></returns>
public static float GetAxisValueDistance(GridCoord grid, Axis axis, float scaleWidth, double value)
{
return GetAxisPositionInternal(grid, axis, scaleWidth, value, false, false);
}
/// <summary>
/// 获得数值value在坐标轴上对于的长度
/// </summary>
/// <param name="grid"></param>
/// <param name="axis"></param>
/// <param name="scaleWidth"></param>
/// <param name="value"></param>
/// <returns></returns>
public static float GetAxisValueLength(GridCoord grid, Axis axis, float scaleWidth, double value)
{
return GetAxisPositionInternal(grid, axis, scaleWidth, value, false);
return GetAxisPositionInternal(grid, axis, scaleWidth, value, false, true);
}
private static float GetAxisPositionInternal(GridCoord grid, Axis axis, float scaleWidth, double value, bool includeGridXY)
private static float GetAxisPositionInternal(GridCoord grid, Axis axis, float scaleWidth, double value, bool includeGridXY, bool realLength)
{
var isY = axis is YAxis;
var gridHeight = isY ? grid.context.height : grid.context.width;
@@ -521,8 +550,14 @@ namespace XCharts
}
else
{
var yDataHig = (axis.context.minMaxRange == 0) ? 0f :
(float)((value - axis.context.minValue) / axis.context.minMaxRange * gridHeight);
var yDataHig = 0f;
if (axis.context.minMaxRange != 0)
{
if (!realLength || (realLength && axis.context.minValue > 0))
yDataHig = (float)((value - axis.context.minValue) / axis.context.minMaxRange * gridHeight);
else
yDataHig = (float)(value / axis.context.minMaxRange * gridHeight);
}
return includeGridXY
? gridXY + yDataHig
: yDataHig;