render

package
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 Go to latest Published: Sep 4, 2026 License: MIT Imports: 5 Imported by: 0

Documentation

Overview

Package render lowers a resolved chart into IR.

This is the one place that knows the drawing order of a chart — background, grid, axes, data, guides — and the one place that turns a layout rectangle and a set of scales into actual primitives. Geoms emit their own marks; everything around them is built here.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Draw 

func Draw(b ir.Backend, c Chart) error

Draw lowers c into b. It does not call Flush: the caller owns the backend's lifecycle.

Types

type Chart 

type Chart struct {
	Width, Height int
	DPR           float64
	Theme         theme.Theme

	Title  string
	XTitle string
	YTitle string

	X, Y scale.Scale

	Layers []geom.Geom

	// ShowLegend requests a legend. Entries come from the layers.
	ShowLegend bool
}

Chart is a fully specified chart, ready to be drawn.

Source Files

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