commonMain.jetbrains.datalore.plot.base.CoordinateSystem.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.plot.base

import jetbrains.datalore.base.geometry.DoubleRectangle
import jetbrains.datalore.base.geometry.DoubleVector

interface CoordinateSystem {
    fun toClient(p: DoubleVector): DoubleVector?

    fun toClient(r: DoubleRectangle): DoubleRectangle? {
        val leftTop = toClient(r.origin)
        val rightBottom = toClient(r.origin.add(r.dimension))
        return if (leftTop != null && rightBottom != null) {
            DoubleRectangle.span(leftTop, rightBottom)
        } else {
            null
        }
    }

    fun unitSize(p: DoubleVector): DoubleVector

    fun flip(): CoordinateSystem
}