commonMain.jetbrains.datalore.plot.base.geom.PolygonGeom.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lets-plot-common Show documentation

Lets-Plot JVM package without rendering part

There is a newer version: 4.5.3-alpha1

/*
 * Copyright (c) 2020. JetBrains s.r.o.
 * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
 */

package jetbrains.datalore.plot.base.geom

import jetbrains.datalore.plot.base.*
import jetbrains.datalore.plot.base.geom.util.GeomUtil
import jetbrains.datalore.plot.base.geom.util.HintColorUtil
import jetbrains.datalore.plot.base.geom.util.LinePathConstructor
import jetbrains.datalore.plot.base.geom.util.LinesHelper
import jetbrains.datalore.plot.base.render.SvgRoot

open class PolygonGeom : GeomBase() {

    protected fun dataPoints(aesthetics: Aesthetics): Iterable {
        return GeomUtil.with_X_Y(aesthetics.dataPoints())
    }

    override fun buildIntern(
        root: SvgRoot, aesthetics: Aesthetics, pos: PositionAdjustment, coord: CoordinateSystem,
        ctx: GeomContext
    ) {
        val dataPoints = dataPoints(aesthetics)
        val targetCollector = getGeomTargetCollector(ctx)
        val linesHelper = LinesHelper(pos, coord, ctx)

        val geomConstructor =
            LinePathConstructor(
                targetCollector,
                dataPoints,
                linesHelper,
                myClosePath = true,
                HintColorUtil.createColorMarkerMapper(GeomKind.POLYGON, ctx),
                ctx.flipped
            )
        appendNodes(
            geomConstructor.construct(),
            root
        )
    }

    companion object {
        const val HANDLES_GROUPS = true
    }
}