commonMain.render.components.AxisRenderer.kt Maven / Gradle / Ivy

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A collection of drawing/charting utilities

There is a newer version: 0.11.4

package com.juul.krayon.chart.render.components

import com.juul.krayon.chart.render.Orientation
import com.juul.krayon.chart.render.Renderer
import com.juul.krayon.kanvas.Kanvas
import com.juul.krayon.kanvas.Paint

public class AxisRenderer(
    private val style: Style,
) : Renderer {

    public class Style(
        public val orientation: Orientation,
        public val stroke: Paint.Stroke?,
    )

    public data class Specification(
        val startX: Float,
        val startY: Float,
        val end: Float,
    )

    override fun  render(data: Specification, canvas: Kanvas) {
        val strokePaint = style.stroke ?: return
        val (endX, endY) = when (style.orientation) {
            Orientation.Horizontal -> data.end to data.startY
            Orientation.Vertical -> data.startX to data.end
        }
        canvas.drawLine(data.startX, data.startY, endX, endY, canvas.buildPaint(strokePaint))
    }
}