plot

type AutomaticTicks struct{}

type Axis struct {
	// Min value of the axis (in value space)
	Min float64
	// Max value of the axis (in value space)
	Max float64

	Flip bool

	Ticks      Ticks
	MajorTicks int
	MinorTicks int

	Transform AxisTransform
}

type AxisGroup struct {
	X, Y *Axis
	Elements
}

type AxisTransform interface {
	ToCanvas(axis *Axis, v float64, screenMin, screenMax Length) Length
	FromCanvas(axis *Axis, s Length, screenMin, screenMax Length) float64
}

type Bar struct {
	Style
	Label string

	DynamicWidth    bool
	DynamicMinWidth float64

	Data []Point
}

type Canvas interface {
	Bounds() Rect
	Layer(index int) Canvas
	Clip(r Rect) Canvas
	Context(r Rect) Canvas
	Text(text string, at Point, style *Style)
	Poly(points []Point, style *Style)
	Rect(r Rect, style *Style)
}

type Dataset interface {
	Element
	// TODO: remove and replace with recommended Axis
	Stats() Stats
}

type Density struct {
	Style
	Label string

	Kernel     Length
	Normalized bool
	Data       []float64 // sorted
}

type Element interface {
	Draw(plot *Plot, canvas Canvas)
}

type Elements []Element

type Gizmo struct {
	Center Point
}

type Grid struct {
	GridTheme
}

type GridTheme struct {
	Fill  color.Color
	Major color.Color
	Minor color.Color
}

type HFlex struct {
	Margin Rect
	// contains filtered or unexported fields
}

type HStack struct {
	Margin Rect
	Elements
}

type Label struct {
	Placement Point
	Style
	Text string
}

type Length = float64

type Line struct {
	Style
	Label string

	Data []Point
}

type Log1pTransform struct {
	// contains filtered or unexported fields
}

type ManualTicks []Tick

type Margin struct {
	Amount Rect
	Elements
}

type OptimizedLine struct {
	Style
	Label string

	Data []Point

	ThresholdPx float64
}

type PercentileTransform struct {
	// contains filtered or unexported fields
}

type Percentiles struct {
	Style
	Label string
	Data  []Point
}

type Plot struct {
	// X, Y are the axis information
	X, Y   *Axis
	Margin Rect
	Elements
	// DefaultStyle
	Theme
}

type Point struct{ X, Y Length }

type Rect struct{ Min, Max Point }

type ScreenSpaceTransform struct {
	Transform func(v float64) float64
	Inverse   func(v float64) float64
}

type Stats struct {
	Min    Point
	Center Point
	Max    Point
}

type Style struct {
	Stroke color.Color
	Fill   color.Color
	Size   Length

	// line only
	Dash       []Length
	DashOffset []Length

	// text only
	Font     string
	Rotation float64
	Origin   Point // {-1..1, -1..1}

	// SVG
	Class string
}

type Textbox struct {
	Margin Rect
	Style
	Lines []string
}

type Theme struct {
	Line      Style
	Font      Style
	FontSmall Style
	Fill      Style
	Bar       Style

	Grid GridTheme
}

type Tick struct {
	Minor bool
	Label string
	Value float64
}

type TickLabels struct {
	X *TickLabelsX
	Y *TickLabelsY
}

type TickLabelsX struct {
	Enabled bool
	// Side determines position of the labels. -1 = min, 0 = center, 1 = max
	Side  float64
	Style Style
}

type TickLabelsY struct {
	Enabled bool
	// Side determines position of the labels. -1 = min, 0 = center, 1 = max
	Side  float64
	Style Style
}

type Ticks interface {
	Ticks(axis *Axis) []Tick
}

type VFlex struct {
	Margin Rect
	// contains filtered or unexported fields
}

type VStack struct {
	Margin Rect
	Elements
}

type Violin struct {
	Style
	Label string

	Side       float64
	Kernel     Length
	Normalized bool
	Data       []float64 // sorted
}