import { CPointer, CString, CColorGradientPtr } from './cvizzu.types';
import { Plugin, PluginApi } from './plugins.js';
import { Canvas } from './module/canvas.js';
import { Module } from './module/module.js';
import { CChart } from './module/cchart.js';
import { HtmlCanvas } from './htmlcanvas.js';
export interface RenderingApi extends PluginApi {
    /** Re-renders the chart. */
    update(): void;
}
export declare class Render implements Plugin, Canvas {
    private _canvas;
    private _ccanvas;
    private _enabled;
    private _cchart;
    private _polygonInProgress;
    private _currentLineWidth;
    meta: {
        name: string;
    };
    get api(): RenderingApi;
    enable(enabled: boolean): void;
    constructor(module: Module, cchart: CChart, canvas: HtmlCanvas);
    updateFrame(force?: boolean): void;
    setCursor(name: CString): void;
    frameBegin(): void;
    frameEnd(): void;
    setClipRect(x: number, y: number, sizex: number, sizey: number): void;
    setClipCircle(x: number, y: number, radius: number): void;
    setClipPolygon(): void;
    setBrushColor(r: number, g: number, b: number, a: number): void;
    setLineColor(r: number, g: number, b: number, a: number): void;
    setLineWidth(width: number): void;
    setFont(font: CString): void;
    beginDropShadow(): void;
    setDropShadowBlur(radius: number): void;
    setDropShadowColor(r: number, g: number, b: number, a: number): void;
    setDropShadowOffset(x: number, y: number): void;
    endDropShadow(): void;
    beginPolygon(): void;
    addPoint(x: number, y: number): void;
    addBezier(c0x: number, c0y: number, c1x: number, c1y: number, x: number, y: number): void;
    endPolygon(): void;
    rectangle(x: number, y: number, sizex: number, sizey: number): void;
    circle(x: number, y: number, radius: number): void;
    line(x1: number, y1: number, x2: number, y2: number): void;
    textBoundary(text: CString, sizeX: CPointer, sizeY: CPointer): void;
    text(x: number, y: number, sizex: number, sizey: number, text: CString): void;
    setBrushGradient(x1: number, y1: number, x2: number, y2: number, stopCount: number, stopsPtr: CColorGradientPtr): void;
    transform(a: number, b: number, c: number, d: number, e: number, f: number): void;
    save(): void;
    restore(): void;
}