60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
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package chart
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// YAxisType is a type of y-axis; it can either be primary or secondary.
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type YAxisType int
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const (
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// YAxisPrimary is the primary axis.
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YAxisPrimary YAxisType = 0
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// YAxisSecondary is the secondary axis.
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YAxisSecondary YAxisType = 1
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)
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// Axis is a chart feature detailing what values happen where.
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type Axis interface {
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GetName() string
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GetStyle() Style
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Render(c *Chart, r Renderer, canvasBox Box, ra Range)
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}
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// axis represents the basics of an axis implementation.
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type axis struct {
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Name string
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Style Style
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ValueFormatter ValueFormatter
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Range Range
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Ticks []Tick
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}
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func (a axis) GetName() string {
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return a.Name
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}
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func (a axis) GetStyle() Style {
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return a.Style
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}
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func (a axis) getTicks(ra Range) []Tick {
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if len(a.Ticks) > 0 {
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return a.Ticks
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}
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return a.generateTicks(ra)
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}
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func (a axis) generateTicks(ra Range) []Tick {
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step := a.getTickStep(ra)
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return a.generateTicksWithStep(ra, step)
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}
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func (a axis) getTickCount(ra Range) int {
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return 0
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}
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func (a axis) getTickStep(ra Range) float64 {
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return 0.0
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}
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func (a axis) generateTicksWithStep(ra Range, step float64) []Tick {
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return []Tick{}
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}
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