56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package chart
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// ContinuousSeries represents a line on a chart.
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type ContinuousSeries struct {
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Name string
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Style Style
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YAxis YAxisType
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XValues []float64
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YValues []float64
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}
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// GetName returns the name of the time series.
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func (cs ContinuousSeries) GetName() string {
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return cs.Name
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}
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// GetStyle returns the line style.
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func (cs ContinuousSeries) GetStyle() Style {
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return cs.Style
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}
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// Len returns the number of elements in the series.
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func (cs ContinuousSeries) Len() int {
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return len(cs.XValues)
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}
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// GetValue gets a value at a given index.
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func (cs ContinuousSeries) GetValue(index int) (float64, float64) {
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return cs.XValues[index], cs.YValues[index]
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}
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// GetLastValue gets the last value.
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func (cs ContinuousSeries) GetLastValue() (float64, float64) {
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return cs.XValues[len(cs.XValues)-1], cs.YValues[len(cs.YValues)-1]
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}
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// GetValueFormatters returns value formatter defaults for the series.
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func (cs ContinuousSeries) GetValueFormatters() (x, y ValueFormatter) {
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x = FloatValueFormatter
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y = FloatValueFormatter
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return
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}
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// GetYAxis returns which YAxis the series draws on.
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func (cs ContinuousSeries) GetYAxis() YAxisType {
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return cs.YAxis
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}
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// Render renders the series.
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func (cs ContinuousSeries) Render(r Renderer, canvasBox Box, xrange, yrange Range, defaults Style) {
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style := cs.Style.InheritFrom(defaults)
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Draw.LineSeries(r, canvasBox, xrange, yrange, style, cs)
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}
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