layout

type ChartNode struct {
	*layout.Node

	// Chart-specific metadata
	ChartType string        // Type of chart (bar, line, scatter, etc.)
	Data      interface{}   // Chart data
	Renderer  ChartRenderer // Function to render this chart
}

type ChartRenderer func(node *layout.Node) string

type Dashboard struct {
	Width  float64
	Height float64
	Gap    float64
	Charts []*ChartNode
}

type FacetData struct {
	Value string                 // Facet category value
	Data  []transforms.DataPoint // Data points for this facet
	Index int                    // Position in facet order
	Node  *layout.Node           // Layout node for this facet
}

type FacetLayout struct {
	Rows   int
	Cols   int
	Gap    float64
	Width  float64
	Height float64
}

type FacetPlot struct {
	Spec   *FacetSpec
	Width  float64
	Height float64
	Data   []transforms.DataPoint

	// Renderer for each facet cell
	CellRenderer func(data []transforms.DataPoint, bounds layout.Rect) string

	// Optional title renderer
	TitleRenderer func(value string, bounds layout.Rect) string
}

type FacetSpec struct {
	// Field to facet by (DataPoint.Group or other field)
	Field string

	// Number of columns
	NCols int

	// Number of rows (0 = auto)
	NRows int

	// Scale sharing strategy
	ScaleSharing ScaleSharing

	// Whether to show titles for each facet
	ShowTitles bool

	// Custom ordering for facet values
	Order []string

	// Gap between facets
	Gap float64

	// Margin around each facet plot area
	FacetMargin float64
}

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

type ScaleSharing string