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优化坐标轴刻度和文本显示#93

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monitor1394
2020-09-18 09:29:40 +08:00
parent 7d04a13ecf
commit 06b83db05d
2 changed files with 65 additions and 43 deletions
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81
Runtime/Internal/Helper/AxisHelper.cs
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@@ -43,35 +43,30 @@ namespace XCharts
if (axis.interval > 0)
{
if (coordinateWid <= 0) return 0;
int num = Mathf.CeilToInt(axis.runtimeMinMaxRange / axis.interval) + 1;
int num = Mathf.CeilToInt(axis.runtimeMinMaxRange / axis.interval);
int maxNum = Mathf.CeilToInt(coordinateWid / 15);
if (num > maxNum)
{
axis.interval *= 2;
num = Mathf.CeilToInt(axis.runtimeMinMaxRange / axis.interval) + 1;
num = Mathf.CeilToInt(axis.runtimeMinMaxRange / axis.interval);
}
return num;
}
else return axis.splitNumber;
else
{
return axis.splitNumber > 0 ? axis.splitNumber : 4;
}
}
else if (axis.type == Axis.AxisType.Log)
{
return axis.splitNumber;
return axis.splitNumber > 0 ? axis.splitNumber : 4;
}
else if (axis.type == Axis.AxisType.Category)
{
int dataCount = axis.GetDataList(dataZoom).Count;
if (dataCount <= 0) return 0;
if (axis.splitNumber <= 0) return dataCount;
if (dataCount >= 2 * axis.splitNumber)
{
int tick = dataCount / axis.splitNumber;
return (int)dataCount / tick;
}
else
{
return dataCount;
}
if (axis.splitNumber <= 0 || axis.splitNumber > dataCount) return dataCount;
if (dataCount >= axis.splitNumber * 2) return axis.splitNumber;
else return dataCount;
}
return 0;
}
@@ -124,12 +119,12 @@ namespace XCharts
if (forcePercent) maxValue = 100;
if (axis.interval > 0)
{
if (index == split - 1) value = maxValue;
if (index == split) value = maxValue;
else value = minValue + index * axis.interval;
}
else
{
value = (minValue + (maxValue - minValue) * index / (split - 1));
value = (minValue + (maxValue - minValue) * index / split);
if (!axis.clockwise && value != minValue) value = maxValue - value;
}
if (axis.inverse)
@@ -156,12 +151,22 @@ namespace XCharts
var showData = axis.GetDataList(dataZoom);
int dataCount = showData.Count;
if (dataCount <= 0) return "";
if (split == 1) return axis.axisLabel.GetFormatterContent(showData[0]);
int rate = dataCount / (split - (axis.boundaryGap ? 0 : 1));
if (rate < 1) rate = 1;
int rate = Mathf.RoundToInt(dataCount * 1f / split);
int newIndex = index * rate;
if (newIndex > dataCount - 1) return string.Empty;
else return axis.axisLabel.GetFormatterContent(showData[newIndex]);
if (newIndex <= dataCount - 1)
{
return axis.axisLabel.GetFormatterContent(showData[newIndex]);
}
else
{
if (rate == 1) return string.Empty;
else if (axis.boundaryGap && coordinateWidth / dataCount > 10) return string.Empty;
else
{
if ((index - 1) * rate > dataCount - 1) return string.Empty;
else return axis.axisLabel.GetFormatterContent(showData[dataCount - 1]);
}
}
}
/// <summary>
@@ -172,7 +177,15 @@ namespace XCharts
internal static int GetScaleNumber(Axis axis, float coordinateWidth, DataZoom dataZoom = null)
{
int splitNum = GetSplitNumber(axis, coordinateWidth, dataZoom);
return axis.boundaryGap ? splitNum + 1 : splitNum;
if (axis.IsCategory())
{
int tick = Mathf.RoundToInt(axis.data.Count * 1f / splitNum);
return Mathf.CeilToInt(axis.data.Count * 1.0f / tick) + 1;
}
else
{
return splitNum + 1;
}
}
/// <summary>
@@ -183,22 +196,32 @@ namespace XCharts
/// <returns></returns>
internal static float GetScaleWidth(Axis axis, float coordinateWidth, int index, DataZoom dataZoom = null)
{
int num = GetScaleNumber(axis, coordinateWidth, dataZoom) - 1;
if (index < 0) return 0;
int num = GetScaleNumber(axis, coordinateWidth, dataZoom);
int splitNum = GetSplitNumber(axis, coordinateWidth, dataZoom);
if (num <= 0) num = 1;
if (axis.type == Axis.AxisType.Value && axis.interval > 0)
{
return axis.interval * coordinateWidth / axis.runtimeMinMaxRange;
if (axis.runtimeMinMaxRange <= 0) return 0;
if (index >= splitNum) return coordinateWidth - (index - 1) * axis.interval * coordinateWidth / axis.runtimeMinMaxRange;
else return axis.interval * coordinateWidth / axis.runtimeMinMaxRange;
}
else
{
if (axis.data.Count > 0)
if (axis.IsCategory() && axis.data.Count > 0)
{
int tick = axis.data.Count / num;
int tick = Mathf.RoundToInt(axis.data.Count * 1f / splitNum);
var count = axis.boundaryGap ? axis.data.Count : axis.data.Count - 1;
if (count <= 0) return 0;
var each = coordinateWidth / count;
return each * tick;
if (index >= num - 1) return coordinateWidth - each * tick * (index - 1);
else return each * tick;
}
else
{
if (splitNum <= 0) return 0;
else return coordinateWidth / splitNum;
}
else return coordinateWidth / num;
}
}