@nativescript-community/ui-chart/renderer/BarChartRenderer.d.ts

A powerful chart / graph plugin, supporting line, bar, pie, radar, bubble, and candlestick charts as well as scaling, panning and animations.

import { Canvas, Paint, RectF } from '@nativescript-community/ui-canvas';
import { TypedArray } from '@nativescript-community/arraybuffers';
import { ChartAnimator } from '../animation/ChartAnimator';
import { BarBuffer } from '../buffer/BarBuffer';
import { BarChart } from '../charts/BarChart';
import { Highlight } from '../highlight/Highlight';
import { IBarDataSet } from '../interfaces/datasets/IBarDataSet';
import { Transformer } from '../utils/Transformer';
import { ViewPortHandler } from '../utils/ViewPortHandler';
import { BarLineScatterCandleBubbleRenderer } from './BarLineScatterCandleBubbleRenderer';
export declare class BarChartRenderer extends BarLineScatterCandleBubbleRenderer {
    mChart: BarChart;
    protected mBarBuffers: BarBuffer[];
    protected mTransformedBuffer: TypedArray;
    /**
     * palet for the bar shadow
     */
    protected mShadowPaint: Paint;
    /**
     * palet for the bar border
     */
    protected mBarBorderPaint: Paint;
    constructor(chart: BarChart, animator: ChartAnimator, viewPortHandler: ViewPortHandler);
    get highlightPaint(): Paint;
    get barBorderPaint(): Paint;
    get shadowPaint(): Paint;
    initBuffers(): void;
    drawData(c: Canvas): void;
    protected drawDataSet(c: Canvas, dataSet: IBarDataSet, index: number): boolean;
    protected prepareBarHighlight(x: number, y1: number, y2: number, barWidthHalf: number, trans: Transformer, barRect: RectF): void;
    drawValues(c: Canvas): void;
    drawHighlighted(c: Canvas, indices: Highlight[]): void;
    /**
     * Sets the drawing position of the highlight object based on the riven bar-rect.
     * @param high
     * @param bar
     */
    protected setHighlightDrawPos(high: Highlight, bar: RectF): void;
    drawExtras(c: Canvas): void;
}