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* UIBarChartEx：增加了一种紧凑型的显示方法

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Sunny 2020-11-23 23:41:16 +08:00
parent 361f155ae0
commit 1b74653a2f
5 changed files with 136 additions and 50 deletions
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Bin/SunnyUI.Demo.exe
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Bin/SunnyUI.dll
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2
SunnyUI.Demo/Charts/FBarChartEx.cs
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@ -83,6 +83,8 @@ namespace Sunny.UI.Demo
option.FixedSeriesCount = 3;
option.AutoSizeBars = true;
option.AutoSizeBarsCompact = true;
option.AutoSizeBarsCompactValue = 0.8f;
option.YAxisScaleLines.Add(new UIScaleLine() { Color = Color.Red, Name = "上限", Value = 12 });
option.YAxisScaleLines.Add(new UIScaleLine() { Color = Color.Gold, Name = "下限", Value = -20 });

180
SunnyUI/Charts/UIBarChartEx.cs
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@ -92,76 +92,156 @@ namespace Sunny.UI
float x1 = DrawSize.Width * 1.0f / DataCount / 4;
float x2 = x1 * 2;
for (int i = 0; i < Option.SeriesCount; i++)
if (Option.AutoSizeBarsCompact)
{
var series = Option.Series[i];
Bars.TryAdd(i, new List<BarInfo>());
for (int j = 0; j < series.Data.Count; j++)
for (int i = 0; i < Option.SeriesCount; i++)
{
Color color = ChartStyle.GetColor(i);
if (series.Colors.Count > 0 && j >= 0 && j < series.Colors.Count)
color = series.Colors[j];
var series = Option.Series[i];
Bars.TryAdd(i, new List<BarInfo>());
float sx = barX + x1 * ((series.Data.Count * 4 - (series.Data.Count * 2 + (series.Data.Count - 1) * Option.AutoSizeBarsCompactValue)) / 2.0f) + x1;
float xx = barX + DrawSize.Width * 1.0f / DataCount / 2;
float ww = Math.Min(x2, series.MaxWidth);
xx -= ww / 2.0f;
if (YAxisStart >= 0)
for (int j = 0; j < series.Data.Count; j++)
{
float h = Math.Abs((float)(DrawSize.Height * (series.Data[j] - start * interval) / ((end - start) * interval)));
Color color = ChartStyle.GetColor(i);
if (series.Colors.Count > 0 && j >= 0 && j < series.Colors.Count)
color = series.Colors[j];
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - h, ww, h),
Color = color
});
}
else if (YAxisEnd <= 0)
{
float h = Math.Abs((float)(DrawSize.Height * (end * interval - series.Data[j]) / ((end - start) * interval)));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, Option.Grid.Top + 1, ww, h - 1),
Color = color
});
}
else
{
float lowH = 0;
float highH = 0;
float DrawBarHeight = DrawSize.Height * 1.0f / (YAxisEnd - YAxisStart);
float lowV = 0;
float highV = 0;
for (int k = YAxisStart; k <= YAxisEnd; k++)
{
if (k < 0) lowH += DrawBarHeight;
if (k > 0) highH += DrawBarHeight;
if (k < 0) lowV += (float)YAxisInterval;
if (k > 0) highV += (float)YAxisInterval;
}
float ww = Math.Min(x2, series.MaxWidth);
float xx = sx - ww / 2.0f;
if (series.Data[j] >= 0)
if (YAxisStart >= 0)
{
float h = Math.Abs((float)(highH * series.Data[j] / highV));
float h = Math.Abs((float)(DrawSize.Height * (series.Data[j] - start * interval) / ((end - start) * interval)));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH - h, ww, h),
Rect = new RectangleF(xx, DrawOrigin.Y - h, ww, h),
Color = color
});
}
else if (YAxisEnd <= 0)
{
float h = Math.Abs((float)(DrawSize.Height * (end * interval - series.Data[j]) / ((end - start) * interval)));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, Option.Grid.Top + 1, ww, h - 1),
Color = color
});
}
else
{
float h = Math.Abs((float)(lowH * series.Data[j] / lowV));
float lowH = 0;
float highH = 0;
float DrawBarHeight = DrawSize.Height * 1.0f / (YAxisEnd - YAxisStart);
float lowV = 0;
float highV = 0;
for (int k = YAxisStart; k <= YAxisEnd; k++)
{
if (k < 0) lowH += DrawBarHeight;
if (k > 0) highH += DrawBarHeight;
if (k < 0) lowV += (float)YAxisInterval;
if (k > 0) highV += (float)YAxisInterval;
}
if (series.Data[j] >= 0)
{
float h = Math.Abs((float)(highH * series.Data[j] / highV));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH - h, ww, h),
Color = color
});
}
else
{
float h = Math.Abs((float)(lowH * series.Data[j] / lowV));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH + 1, ww, h - 1),
Color = color
});
}
}
sx += x2 + x1 * Option.AutoSizeBarsCompactValue;
}
barX += x2 * 2 * series.Data.Count;
}
}
else
{
for (int i = 0; i < Option.SeriesCount; i++)
{
var series = Option.Series[i];
Bars.TryAdd(i, new List<BarInfo>());
for (int j = 0; j < series.Data.Count; j++)
{
Color color = ChartStyle.GetColor(i);
if (series.Colors.Count > 0 && j >= 0 && j < series.Colors.Count)
color = series.Colors[j];
float xx = barX + DrawSize.Width * 1.0f / DataCount / 2;
float ww = Math.Min(x2, series.MaxWidth);
xx -= ww / 2.0f;
if (YAxisStart >= 0)
{
float h = Math.Abs((float)(DrawSize.Height * (series.Data[j] - start * interval) / ((end - start) * interval)));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH + 1, ww, h - 1),
Rect = new RectangleF(xx, DrawOrigin.Y - h, ww, h),
Color = color
});
}
}
else if (YAxisEnd <= 0)
{
float h = Math.Abs((float)(DrawSize.Height * (end * interval - series.Data[j]) / ((end - start) * interval)));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, Option.Grid.Top + 1, ww, h - 1),
Color = color
});
}
else
{
float lowH = 0;
float highH = 0;
float DrawBarHeight = DrawSize.Height * 1.0f / (YAxisEnd - YAxisStart);
float lowV = 0;
float highV = 0;
for (int k = YAxisStart; k <= YAxisEnd; k++)
{
if (k < 0) lowH += DrawBarHeight;
if (k > 0) highH += DrawBarHeight;
if (k < 0) lowV += (float)YAxisInterval;
if (k > 0) highV += (float)YAxisInterval;
}
barX += DrawSize.Width * 1.0f / DataCount;
if (series.Data[j] >= 0)
{
float h = Math.Abs((float)(highH * series.Data[j] / highV));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH - h, ww, h),
Color = color
});
}
else
{
float h = Math.Abs((float)(lowH * series.Data[j] / lowV));
Bars[i].Add(new BarInfo()
{
Rect = new RectangleF(xx, DrawOrigin.Y - lowH + 1, ww, h - 1),
Color = color
});
}
}
barX += DrawSize.Width * 1.0f / DataCount;
}
}
}
}

4
SunnyUI/Charts/UIBarChartOption.cs
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@ -51,6 +51,10 @@ namespace Sunny.UI
/// </summary>
public bool AutoSizeBars { get; set; }
public bool AutoSizeBarsCompact { get; set; }
public float AutoSizeBarsCompactValue { get; set; } = 1.0f;
public void AddSeries(UIBarSeries series)
{
Series.Add(series);