commonMain.jetbrains.datalore.vis.svg.SvgCircleElement.kt Maven / Gradle / Ivy

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/*
 * Copyright (c) 2019. 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.vis.svg

import jetbrains.datalore.base.geometry.DoubleRectangle
import jetbrains.datalore.base.geometry.DoubleVector
import jetbrains.datalore.base.observable.property.Property
import jetbrains.datalore.base.observable.property.WritableProperty
import jetbrains.datalore.base.values.Color
import jetbrains.datalore.vis.svg.SvgShape.Companion.FILL
import jetbrains.datalore.vis.svg.SvgShape.Companion.FILL_OPACITY
import jetbrains.datalore.vis.svg.SvgShape.Companion.STROKE
import jetbrains.datalore.vis.svg.SvgShape.Companion.STROKE_OPACITY
import jetbrains.datalore.vis.svg.SvgShape.Companion.STROKE_WIDTH
import jetbrains.datalore.vis.svg.SvgTransformable.Companion.TRANSFORM

class SvgCircleElement() : SvgGraphicsElement(), SvgTransformable,
    SvgShape {

    companion object {
        val CX: SvgAttributeSpec =
            SvgAttributeSpec.createSpec("cx")
        val CY: SvgAttributeSpec =
            SvgAttributeSpec.createSpec("cy")
        val R: SvgAttributeSpec =
            SvgAttributeSpec.createSpec("r")
    }

    override val elementName: String = "circle"

    override val bBox: DoubleRectangle
        get() = container().getPeer()!!.getBBox(this)

    constructor(cx: Double, cy: Double, r: Double) : this() {
        setAttribute(CX, cx)
        setAttribute(CY, cy)
        setAttribute(R, r)
    }

    constructor(p: DoubleVector, r: Double) : this(p.x, p.y, r)

    fun cx(): Property {
        return getAttribute(CX)
    }

    fun cy(): Property {
        return getAttribute(CY)
    }

    fun r(): Property {
        return getAttribute(R)
    }

    override fun transform(): Property {
        return getAttribute(TRANSFORM)
    }

    override fun fill(): Property {
        return getAttribute(FILL)
    }

    override fun fillColor(): WritableProperty {
        return SvgUtils.colorAttributeTransform(fill(), fillOpacity())
    }

    override fun fillOpacity(): Property {
        return getAttribute(FILL_OPACITY)
    }

    override fun stroke(): Property {
        return getAttribute(STROKE)
    }

    override fun strokeColor(): WritableProperty {
        return SvgUtils.colorAttributeTransform(stroke(), strokeOpacity())
    }

    override fun strokeOpacity(): Property {
        return getAttribute(STROKE_OPACITY)
    }

    override fun strokeWidth(): Property {
        return getAttribute(STROKE_WIDTH)
    }

    override fun pointToTransformedCoordinates(point: DoubleVector): DoubleVector {
        return container().getPeer()!!.invertTransform(this, point)
    }

    override fun pointToAbsoluteCoordinates(point: DoubleVector): DoubleVector {
        return container().getPeer()!!.applyTransform(this, point)
    }
}