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