com.netflix.atlas.chart.graphics.ValueSpan.scala Maven / Gradle / Ivy
/*
* Copyright 2014-2024 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.netflix.atlas.chart.graphics
import java.awt.Graphics2D
/**
* Draws a horizontal span from `v1` to `v2`.
*
* @param style
* Style to use for filling the span.
* @param v1
* Starting value for the span.
* @param v2
* Ending value for the span.
* @param yaxis
* Axis used for creating the scale.
*/
case class ValueSpan(style: Style, v1: Double, v2: Double, yaxis: ValueAxis) extends Element {
def draw(g: Graphics2D, x1: Int, y1: Int, x2: Int, y2: Int): Unit = {
style.configure(g)
val yscale = yaxis.scale(y1, y2)
val p1 = yscale(v1)
val p2 = yscale(v2)
val py1 = math.min(p1, p2)
val py2 = math.max(p1, p2)
g.fillRect(x1, py1, x2 - x1, py2 - py1)
}
}