37 lines
963 B
Go
37 lines
963 B
Go
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package chart
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import "fmt"
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// BoundedLastValuesAnnotationSeries returns a last value annotation series for a bounded values provider.
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func BoundedLastValuesAnnotationSeries(innerSeries FullBoundedValuesProvider, vfs ...ValueFormatter) AnnotationSeries {
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lvx, lvy1, lvy2 := innerSeries.GetBoundedLastValues()
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var vf ValueFormatter
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if len(vfs) > 0 {
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vf = vfs[0]
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} else if typed, isTyped := innerSeries.(ValueFormatterProvider); isTyped {
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_, vf = typed.GetValueFormatters()
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} else {
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vf = FloatValueFormatter
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}
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label1 := vf(lvy1)
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label2 := vf(lvy2)
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var seriesName string
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var seriesStyle Style
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if typed, isTyped := innerSeries.(Series); isTyped {
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seriesName = fmt.Sprintf("%s - Last Values", typed.GetName())
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seriesStyle = typed.GetStyle()
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}
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return AnnotationSeries{
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Name: seriesName,
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Style: seriesStyle,
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Annotations: []Value2{
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{XValue: lvx, YValue: lvy1, Label: label1},
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{XValue: lvx, YValue: lvy2, Label: label2},
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},
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}
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}
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