takkumattsu

import Charts
import CoreGraphics
import Foundation
import UIKit

/// 棒グラフで角丸を再現するために https://gist.github.com/ShadeApps/9285904fc716dbe6c13c6fbff23ab27e を参考に作成
class BarChartRenderer: BarLineScatterCandleBubbleRenderer {
    /// A nested array of elements ordered logically (i.e not in visual/drawing order) for use with VoiceOver
    ///
    /// Its use is apparent when there are multiple data sets, since we want to read bars in left to right order,

takkumattsu

/// CombinedChartRendererが公開しているsubRenderersだとdataを設定した際に初期化されてしまうので_renderersを利用しているところを外から設定できるようにした
final class CustomCombinedChartRenderer: CombinedChartRenderer {
    var customRenderers: [DataRenderer] = []
    override func initBuffers() {
        customRenderers.forEach { $0.initBuffers() }
    }
    override func drawData(context: CGContext) {
        // If we redraw the data, remove and repopulate accessible elements to update label values and frames
        accessibleChartElements.removeAll()